AN ABSTRACT OF THE THESIS OF John J. Baker for the degree of Master of Science Agricultural and Resource Economics presented on in December 11, Title: 19811. Multiple Use Resource Allocation: An Empirical Analysis of Selected Forest Resources. Redacted for privacy Abstract approved: Ronald A. Oliveira Forested watersheds are classical examples of multiple use natural resource areas which simultaneously supply timber, water, range, fisheries and wildlife, and a variety of recreational and esthetic experiences. forest ecosystem to brings about resource other multiple benefit use one concomitant resources. A change in the forest multiple changes which Forest multiple resources, while abundant by many standards, limited. are use affect in use fact As a result, choices have to be made regarding combination and levels of forest multiple use resources to be provided. The complexity of multiple use management the requires the need multiple use resources consider, to approximate production simultaneously, a large complex and relationships number of dynamic and to different management strategies for a heterogeneous set of resources for alternative planning horizons. objectives The analytical framework regarding multiple empirically joint test production (Timber Schmidt of Resource and which use are resource the allocations Economic 1980)) Estimation was used an decision-making and theory information provided Economic Gourley, define to facilitates methodology. this and study this (Tedder, construct to of TREES by System to the analytical framework. The analytical approach was tested utilizing physical data from Watershed the of upper middle the National Forest. Hebo This portion Banger study of the District of also examines Drift Siuslaw the the Creek projected physical and economic impacts on the allocation of timber, deer, elk, cattle grazing, anadromous fisheries, spotted owl and bald eagle multiple use resources within the study area of seven Forest Service management strategies. MULTIPLE USE RESOURCE ALLOCATION: AN EMPIRICAL ANALYSIS OF SELECTED FOREST RESOURCES by JOHN J. BAKER A THESIS submitted to Oregon State University in partial fulfillment of the requirements for the degree of Master of Science Completed December 11, 19814 Commencement June 1985 ACKNOWLEDGEMENT I would like to thank the many people who have made the completion of this thesis possible. To those who have provided moral support and who have guided my work with their experience and assistance: My major professor, Dr. Ronald (Ron) A. Oliviera for his guidance and continued patient support throughout my graduate program; Dr. Philip (Phil) Tedder for his perceptive and timely suggestions and continued assistance during the course of research completion; The other members of my committee, Dr. R. Bruce Rettig, Dr. Michael (Mike) V. Martin and Dr. Ray Northam for reading and offering their helpful comments on the preliminary draft of this thesis; Judith (Judy) Sessions who typed the manuscript and whose editorial suggestions were important to the completion of the thesis; Special friends; Clarence and Sue Rose, Gary and. Mary Smith, Bob and Sandi Larison, Dan and Annette Youngberg, Everette and Julie Carpenter, Cliff and Esther Sturtevant and Darryl, Kenneth and Helen Berry for the many minor and major things they have done to help me complete my degree program; Members of my family, Charles and Dorothy Baker, Dean and Frances Seaney, Jim and Diana Hight, Billie McCurry, Elana Pitts, and Isebelle Bryan Sparks who were always there to help in whatever ways they could; And, finally, to Deanna, my wife. Without her love, support, assistance, patience and understanding this thesis and my program of graduate studies could never have been completed; To all these people, I extend my deepest and everlasting gratitude. And to Katie, my daughter, who provided the final inspiration for project completion, this thesis is lovingly dedicated. APPROVED: Redacted for privacy Associate Professor, Courtesy, of the Department of Agriculture and Resource Economics in charge of major Redacted for privacy Head of Department of Agricultural and Resource Economics Redacted for privacy Dean of the raduate S4 001 Date thesis is presented December 11, 19814 Typed by Judith Sessions for John J. Baker TABLE OF CONTENTS Chapter Introduction Research Problem Thesis Objectives Research Approach Study Area Resources Considered Period of Analysis Method of Analysis Organization of the Thesis I II III 1 1 2 2 8 8 9 9 10 Literature Review Introduction Historic Overview Term Definition Economic Interpretation Joint Production Economic Optimization Problems Applications The Upper Middle Drift Creek Watershed Introduction Drift Creek Watershed Study Area Climate Soils Timber Resource Water Streams Fisheries Resource Wildlife Resources Recreation 13 13 11 18 21 22 2 28 3L 48 1&8 50 ..... .... Minor Forest Products IV Empirical Estimation of Multiple Use Joint Production Relationships for Study Area Resources Introduction External Ecological Effects of Timber Management Activities Timber Non-timber Multiple Use Resources Multiple Use Joint Production Relationships 52 52 53 5' 55 56 56 57 57 59 59 60 62 62 63 69 Chapter V VI Page Allocation of Multiple Use Resources of the Upper Middle Drift Creek Waterhed: A Case Study Introduction Forest Management Models Trees: A Brief Description Trees: Operationalizing Data Analysis Methodology and and Simulation Runs Simulation Results and Implications Interpretation of Results Economic Implications Interpretation of Results Employment and Income Interpretation of Results Summary and Conclusions Introduction Research Summary Research Conclusions An Appraisal of the Research 83 83 814 85 87 87 1014 120 128 1140 148 153 162 162 162 166 167 BIBLIOGRAPHY 172 Appendix Appendix Appendix Appendix 205 209 226 A B C D 2314 LIST OF FIGURES Figure Page The Drift Creek Watershed 149 Upper Middle Drift Creek 51 LIST OF TABLES 2.1 '4.1 '4.2 14.3 14'4 14.5 14.6 14.7 14.8 4.9 JOINT PRODUCTION APPLICATIONS 146 EMPIRICAL YIELD TABLE HEBO RANGER DISTRICT .. . 614 DEER PRODUCTION COEFFICIENTS PER ACRE AT VARYING CATTLE GRAZING INTENSITIES (CURRENT LEVEL OF MANAGEMENT INTENSIFICATION) STUDY AREA ELK PRODUCTION COEFFICIENTS PER ACRE AT VARYING CATTLE GRAZING INTENSITIES (CURRENT LEVEL OF MANAGEMENT INTENSIFICATION) 73 714 CATTLE PRODUCTION COEFFICIENTS PER ACRE AT VARYING CATTLE GRAZING INTENSITIES (CURRENT LEVEL OF MANAGEMENT INTENSIFICATION) 75 SALMONID PRODUCTION COEFFICIENTS PER ACRE AT VARYING CATTLE GRAZING INTENSITIES (CURRENT LEVEL OF MANAGEMENT INTENSIFICATION) 76 STUDY AREA DEER PRODUCTION COEFFICIENTS PER ACRE AT VARYING CATTLE GRAZING INTENSITIES (BEUTER ET AL. TARGET A OR BEUTER ET AL. TARGET B LEVEL OF MANAGEMENT INTENSIFICATION) 77 STUDY AREA ELK PRODUCTION COEFFICIENTS PER ACRE AT VARYING CATTLE GRAZING INTENSITIES (BEUTER ET AL. TARGET A OR BEUTER ET AL. TARGET B LEVEL OF MANAGEMENT INTENSIFICATION) 78 STUDY AREA CATTLE GRAZING PRODUCTION COEFFICIENTS PER ACRE AT VARYING CATTLE GRAZING INT-ENSITIES (BEUTER ET AL. TARGET A OR BEtJTER ET AL. TARGET B LEVEL OF MANAGEMENT INTENSIFICATION) 79 SALMONID PRODUCTION POTENTIALS PER ACRE AT VARYING CATTLE GRAZING INTENSITIES (BEUTER ET AL. TARGET A OR BEUTER ET AL. TARGET B LEVEL OF MANAGEMENT INTENSIFICATION) 80 P aj 5.1 UPPER MIDDLE DRIFT CREEK INVENTORY DATA 88 5.2 ACREAGE INVENTORY DISTRIBUTIONS 89 5.3 ACREAGE INVENTORY DISTRIBUTIONS 90 5.14 AVERAGE AGE CLASS DISTRIBUTIONS AND HARVEST VOLUMES PER PLANNING HORIZON DECADEPERIOD ... 914 AVERAGE AGE CLASS DISTRIBUTIONS AND HARVEST VOLUMES PER PLANNING HORIZON DECADEPERIOD ... 95 AVERAGE AGE CLASS DISTRIBUTIONS AND HARVEST VOLUMES PER PLANNING HORIZON DECADEPERIOD ... 96 5.5 5.6 5.7 5.8 5.9 5.10 5.11 5.12 5.13 5.1's AVERAGE AGE CLASS DISTRIBUTIONS AND HARVEST VOLUMES PER PLANNING HORIZON DECADEPERIOD 97 AVERAGE AGE CLASS DISTRIBUTIONS AND HARVEST VOLUMES PER PLANNING HORIZON DECADEPERIOD 98 AVERAGE AGE CLASS DISTRIBUTIONS AND HARVEST VOLUMES PER PLANNING HORIZON DECADEPERIOD 99 AVERAGE AGE CLASS DISTRIBUTIONS AND HARVEST VOLUMES PER PLANNING HORIZON DECADEPERIOD 100 RESOURCE PRODUCTION COEFFICIENTS PER ACRE (CURRENT MANAGEMENT PRESCRIPTIONS) 101 RESOURCE PRODUCTION COEFFICIENTS PER ACRE BEUTER ET AL. TARGET A MANAGEMENT PRESCRIPTIONS 102 RESOURCE PRODUCTION COEFFICIENTS PER ACRE BEUTER ET AL. TARGET B MANAGEMENT PRESCRIPTIONS 103 RESOURCE AVERAGE ANNUAL PRODUCTION LEVELS PER ROTATION DECADEPERIOD 5.15 5.16 5.17 105 RESOURCE AVERAGE ANNUAL PRODUCTION LEVELS PER ROTATION 108 ANNUAL AVERAGE AUMS OF CATTLE GRAZING PER RUN AT VARYING CATTLE GRAZING LEVELS 111 AVERAGE ANNUAL DEER HARVEST POTENTIALS PER ROTATION DECADEPERIOD 112 TABLE 5.18 5.19 5.20 5.21 5.22 5.23 5 .21 5.25 5.26 5.27 5.28 5.29 5.30 5.31 P AVERAGE ANNUAL ELK HUNTING DAYS PER ROTATION DECADE-PERIOD AT VARYING CATTLE GRAZING LEVELS 113 AVERAGE ANNUAL ELK HUNTING DAYS PER RUN AT VARYING CATTLE GRAZING LEVELS 11k. AVERAGE ANNUAL ESCAPEMENT PER ANADROMOUS FISH SPECIES AT VARYING LEVELS OF GRAZING 115 ANNUAL AVERAGE ANGLER-DAYS FOR STEELHEAD TROUT AT VARYING LEVELS OF CATTLE GRAZING 116 AVERAGE ANNUAL OUTPUT EFFECTS OF ALLOCATION CHANGES 118 AVERAGE ANNUAL OUTPUT EFFECTS OF ALLOCATION CHANGES 119 AVERAGE ANNUAL EFFECTS OF INCREASE CATTLE GRAZING FROM THE NO CATTLE GRAZING INTENSITY LEVEL '126 ECONOMIC VALUES OF STUDY AREA NON-TI14BER MULTIPLE USE RESOURCES 132 PRESENT NET WORTH OF THE AVERAGE ANNUAL CATTLE GRAZING POTENTIALS AT ALTERNATIVE AUM VALUATIONS AND LEVELS OF CATTLE GRAZING INTENSITIES 135 PRESENT NET WORTH OF THE AVERAGE ANNUAL DEER PRODUCTION AT ALTERNATIVE HARVESTED ANIMAL VALUATIONS AND ALTERNATIVE GRAZING POTENTIAL HARVEST RATES 136 PRESENT NET WORTH OF THE AVERAGE ANNUAL ELK PRODUCTION AT ALTERNATIVE GRAZING POTENTIAL HARVEST RATES AND LEVELS OF CATTLE GRAZING INTENSITIES 137 NET PRESENT WORTH OF SALMONID ESCAPEMENTS AT VARYING LEVELS OF CATTLE GRAZING 138 NET PRESENT WORTH OF STUDY AREA MULTIPLE USE RESOURCE ALLOCATIONS AT ALTERNATIVE LEVELS OF CATTLE GRAZING INTENSITIES 139 RESOURCE PRESENT NET WORTH CHANGES AT VARYING LEVELS OF CATTLE GRAZING 111.1 TABLE 5.32 AVERAGE OUTPUT EFFECTS OF ALLOCATION CHANGES 5.33 AVERAGE OUTPUT EFFECTS OF ALLOCATION CHANGES 145 5.3I AVERAGE ANNUAL FOREST INDUSTRY EMPLOYMENT 150 5.35 TIMBER EMPLOYMENT AND INCOME IMPACTS 151 5.36 NON-TIMBER RESOURCE INCOME IMPACTS 15I 5.37 PHYSICAL AND ECONOMIC IMPACTS OF ALTERNATIVE STUDY AREA MULTIPLE USE RESOURCE ALLOCATIONS . 160 MULTIPLE USE RESOURCE ALLOCATION: AN EMPIRICAL ANALYSIS OF SELECTED FOREST RESOURCES I. INTRODUCTION Forested which watersheds simultaneously produce water, timber, big game and opportunities for a use areas multiple typical are range, fish, variety of recreational and aesthetic experiences. A change in the forest ecosystem to benefit one forest land multiple use resource use brings about concomitant changes that affect other uses. multiple use resources, while abundant by are indeed limited. regarding the As a Forest many standards, result choices have to be made levels and combinations of forest multiple uses to be provided. Research Problem The economic problem in allocating multiple use resources is a classic case of allocating limited resources among competing uses. The economic criteria for maximizing the net returns of a production facility or process which simultaneously produces two or outputs more is clearly defined if acceptable market values exist for each joint production resource product. allocation In which such cases, equates the the multiple marginal use value products in each use, given the objectives and associated metrics involved, identifies the appropriate level of joint 2 production. allocating However, serious problems are encountered in forest multiple use absence of information about and outputs of forest resources because the relationships ecosystems and of of inputs lack the an of information about the provision costs and relative values of multiple use resource outputs. Thesis Objectives There are first is two basic objectives of this thesis. The to define an economic framework which facilitates decisions regarding resources. The second objective is to empirically test the the allocation of multiple use derived analytical framework. A prerequiste framework is a development the to comprehensive of review of the analytical the approach theoretical foundations and discussion of applications of joint production theory. the research approach Before reviewing the literature, is briefly summarized and the organization of the thesis is outlined. Research Approach A wide variety of analytical methodologies have been applied in multiple use decision resource allocations have been techniques (Clawson, 1975; O'Connell, 1972; Multiple use examined using descriptive Hills; benefit-cost analysis (Clawsori, making. 1966; McHarg, 1969), 1976; H. M. Treasury, 1972; O'Connell and Brown, 1972; O'Connell and 3 197k; U.S.D.A. Forest Service, Boster, programming techniques such 1977; 1976), mathematical linear programming as (Bell, 1980; Leuschner, Porter, Reynolds and Burkhart, Kent, 1975; Navon, 1967, 1971;), integer programming (Bell, 1977; 1975), Kirby, goal programming Meador and White, Meadows, 1977), Meadows and 1977; Field, 1976; Schuler, linear 1973; Navon Adams and Kao, Riitters, Brodie (Adams and Ek, 1979) and 1968; Harzard and Promntiz, 1974; Scheurman Burt, 196k; and Hann, 1982), 197k, 1975; Bell, programming and Scheurman, Schmidt and Gourley, (Kalbacher, techniques McKillop, Schweitzer, 1977; Kao (Johnson 1976; 1977; (Leven, (Beuter, Convery, 1973), Blanch and Stoevener, Ives and 1966; et 1973; 1968; Youmans, Tedder, shift-share 1976; analysis 1976), stages- 1980), economic Connaughton 1975; formulations Fight and Darr, 1977; (Beuter, 1966; Gustafson, input-output Scheurman, simulation Schallau, al., 1980; Brodie, and and Chappelle, 1980), Brodie, ( nonlinear programming 1979; Ledeboer, 1982; Marousek, of-growth theory 1975; Maloney, Hann and Brodie, 1975), Johnson, Johnson, base 1969; (Armstrong, 1978; and 197k), 1967), polyperiod programming MeConnen, quadratic 1978; separable 1971; Tanner, 197k), dynamic programming (House, Dane, (Cohen, 1978), Steuer, programming and 1976; 1973; Schuler, Webster and multiobjective programming programming (Harzard, parametric 1975, (Bell, Roberts and and Maki and (Bromely, 1974; Rettig, Flick, 1975; Rohy and Lovegrove, 1970) and econometric analysis (Adams, 4 19714; Adams and Haynes, 1973; Oliveira 1980; Cjcchettj, Fisher and Smith, 1977; Rausser, and 1983; Sandrey, Shih, 1981). The analytical approach employed in this research is to examine multiple use resource allocations from a joint production theoretical framework. useful on three accounts. Such approach an is First, it provides a conceptual framework which integrates the objectives of management, the biological and physical characteristics of multiple use resource production evaluation of allocations. emphasizes relationships, alternative joint A critical the multiple production economic the and use resource conceptual framework importance of correctly understanding and representing the underlying and operative resource production and technical relationships. joint production conceptual approach Second, a satisfies the statutorily stated objectives of multiple use management (Multiple Use-Sustained Yield Act, with the directives legislation Resource Planning Management Act, provisions and (Multiple Act, 1960) and is consistent Use-Sustained 19714; 1976). and of multiple Yield Act, National the And finally, use 1960; Forest a joint production approach provides an analytical framework for objectively identifying, examining, and evaluating multiple use resource allocation alternatives consistent with multiple use and economic principles. 5 A joint production approach to multiple use resource allocation problems presents few conceptual problems. one accepts efficiency economic appropriate an as If then maximization of determinant of management decisions, differences between benefits and costs makes sense whether measured in dollars, social welfare values, physical units Objections to or in units of psychological satisfaction. the use of a joint production approach result not from the validity of possible achieved, conclusions from but problems associated with applications. First, there does exist not a current consensus regarding the appropriate output units of measurement for even the outdoor five principal multiple use resources: recreation, range, timber, Without fisheries. watershed accepted commonly wildlife and units of and output measurements for the various renewable surface resources of national forests, a comprehensive resource allocations within economic analysis joint production framework a cannot be initiated or objective results derived. the complex and dynamic of joint production Second, relationships among renewable forest land resources are little understood and have received little quantitative (Davis, 1976; Teeguarden, 1977). considerations Without acceptable units of production measurement, the problem of determining the production relationships among multiple use resources necessary for economic analyses cannot be seriously tackled (Gregory, 1955, 1976). Third, the extra-market nature of 6 many multiple results In an absence resources use of information about the relative values of provided outputs. Universally accepted resource values exist for only a few multiple resources; use optimizing or objective without resource cannot decisions allocation values output be easily made or evaluated. The possible application of a joint production theory multiple to discussed 1963; (Black, 1938; Ciricacy-Winthrup, been 1976; 1977; Clawson, Lynne, 1974; 1969; Muhlenberg, 196)4; O'Connell and Brown, 1972; Miller, Pavelis, Johnson, and flutters, Brodie, Hann, Turner, has Brown, 1976; House, 1971; Gregory, 1955, 1972; Davis, 1982; O'Connell and Teeguarden (1971), House Brown (1975), 1961; Shrader, 1971). 1975, flutters (197)4) Miller al. et Worley and 1969, 1977; Only Black (19614), (1974) Lynne (1972), Turner Pearse, Teeguarden, 197)4; Worley and Patric, (1976), Brown problems allocation various authors by 1966; Castle, resource use and (1969), (1982), Patric (1971) have actually employed a joint production framework examine to actual multiple resource use allocation problems. The infrequency of applications of a joint production framework to is due with real multiple use resource allocation issues to empirical problems. respect to its appropriateness approach, however, is lacking. is general consensus There For example, as a conceptual information on critical inputs there is a general absence of 7 qualitative and quantitative information measurement of output units, and physical relationships. to effectively apply input costs, regarding the output values, This information is necessary joint production theory to multiple use resource analysis. Notwithstanding the application difficulties presented by informational deficiencies, production affords formulation more a resource consideration of evaluation alternatives. allocations from a multiple use addition, the of In joint measurements, imperfect using inclusive allocation the employment of a joint production perspective permits the examination of resource allocation over the long run. It also affords an opportunity to assess the congruency allocations. In proposed managerially of short, a production joint resource conceptual approach focuses attention upon multiple use resource data deficiency problems and possible solutions. application The framework to the of a allocation production joint of multiple use analytical resources involves a relatively straight-forward set of activities. First, the study area selected for analysis is identified. Second, the multiple use identified. Finally, resources to be considered are Third, the time period of analysis is defined. the method of analysis is specified. Area 7,890 acre portion The area selected for study was a of the Forest. Drift Creek Watershed of Siuslaw the National The study area is typical of national forest land of the central portion of the Oregon Coast Range. Portions of the Study area demonstrate a timber producing capacity that is contains among the highest in the nation. important fishery species, agricultural spawning is supplies hundreds of wildlife most popular big distributions species, game domestic and provides and including animals, deer anadromous of source of municipal, a water The study area habitat the and for state's two and two elk, threatened avian species, the Northern bald eagle and the Northern spotted owl. with multiple concepts and use is The area is managed in accordance and sustained administered yield for principles recreation, and range, watershed, fish, wildlife, and timber purposes (Hebo, FEIS, 1978, p. 5; Siuslaw FEIS, 1979, p. 17.) Resources Considered Five major forest multiple use resources and two minor forest renewable surface resources are considered during the course resources of are analysis. timber, anadromous fisheries. The deer, five elk, major multiple use cattle grazing and The two minor multiple use resources are spotted owl and bald eagle pairs. 9 The resources identified for represent restricted a sample multiple use resources. data availabilty traditionally The on a desire forest number of manageable to forest study arid area Resource selection was based on considered resources. restricted and of analysis examine to renewable resources less surface considered proportions and to was magnitude a considered sufficient to test the analytical approach. Period of Analysis The general period current 100 year of analysis timber rotation analysis period coincides with planning horizon study area and for the the period. study area's examination encompassing the of multiple use resource production levels and relationships as proceeds through various successional rotation length of 80 years year 100 A the current Forest Service planning unit the permits is is stages. considered forest a A to reduced reflect intensified forest management practices and to permit the examination lengths of upon the impact resource of possibly productivities changed and rotation study area multiple use resource allocations. Method of Analysis Joint production relationships and production coefficients for the considered multiple use resources are developed from study area data, comparable area information 10 and general resource study findings. Resource Economic Estimation System), and harvest scheduling a TREES (Timber forest management simulation model developed by K. Norman Johnson, H. Lynn Scheurman and John H. Beuter (1976) is used to project timber harvests, stumpage revenues and costs, and objectives, timber inventories intensity Non-timber resource practices production with TREES inventory and multiple use management for alternative management and harvesting coefficients policies. are harvest volume data production levels strategies. for Derived develop alternative seven multiple to combined use resourpe production figures are combined with alternative resource valuations to project total resource value, revenue, income and employment impacts of alternative multiple use resource allocations. Projected resource production levels, output valuations and economic impacts are compared and contrasted with Forest Service projections various empirical studies and and are results evaluated reported in in terms of overall consistency with general multiple use and economic principles and concepts. Organization of the Thesis The research is organized into six chapters, but can be considered in two sections. consists of Chapters I and background for the thesis. II, The first section, which provides the conceptual Chapter I introduces the reader 11 to multiple use the resource allocation problem and its possible investigation from a joint production perspective. The historic review of literature, development definitional economic multiple of problems joint presented. discussed. are concludes with reported review a the and An framework considerations problems chapter The discussed. analytical production Applicational Conceptual and an and recounts II, use. examined are interpre tation incorporating Chapter are and and discussion of joint production applications to multiple use decision making. applications brief A denoted is summary production joint of chronological in order in focuses on the Table 2.1. The second joint section, production resource describes analysis allocations the physical Chapters IlI-VI, for alternative of study the area selected study characteristics, area. multiple use Chapter III for evaluation. endowments resource Area and productivities are examined and discussed. Chapter IV develops the joint production multiple use relationships salmonids for to timber, be used allocation analysis. measurement of deer, in the cattle grazing multiple use and resource General problems associated with the multiple use resource interrelationships and specific development multiple the elk, of productivities problems associated use joint and with production 12 relationships for deer, elk, cattle grazing arid salmonids are reviewed and discussed. Chapter V describes the simulation model, (TREES) and the methodology used to project study area joint production multiple use resource allocations. seven strategies Empirical output forest of quantities Empirical results for management combined are presented. are output with valuations and employment and income information to project resource arid allocation economic values and employment and income impacts. Reported empirical results are compared and contrasted with results reported in current management planning documents and in comparable area studies. The final section, Chapter VI, presents the summary, conclusions, and recommendations for further research. Supplemental presented in the information used appendices. the in A research description of is the management intensification assumptions used in the analysis and TREES simulation runs is given in Appendix A. B Appendix contains a review of studies considering the impact of forest management activities upon big game and anadromous fishery resources. A description of resource production coefficients used presented in Appendix C. and the development of the analysis is in In Appendix D the stumpage value regeneration/cultural treatment simulation runs are listed. costs used in TREES 13 II. LITERATURE REVIEW Introduction Forest lands, as indeed virtually all lands, have "an inherent capability goods and to produce one or more resources, services, allow one or 219.3. under natural conditions" (Sec. 1976). or or resource uses more Public Law 914_588, It is the capacity of forest land to simultaneously provide more than one resource output or service which is the central concern of' multiple use management. use" in part means, "the management renewable resources of the national forests various the all of "Multiple so that they are utilized in the combination which best meets the needs 86-517, 1960). of the American people" (Sec. !, Public Law Multiple use more is Simultaneously, it statutory definition. philosophical management than is a a orientation historically identified with Service, social a prescription. objective. of present and chapter has Forest an economic a threefold The first, is to provide an historical overview multiple definitional The prescription, U.S. the use and problems. multiple The economic interpretation and use second, is present to and an an analytical framework which incorporates joint production theory. are reviewed and discussed. conceptional And Application problems the final, is to review and discuss joint production applications to multiple use resource allocation problems. 14 Historic Overview The origins European of multiple use forest management are traceable practices early to which often subordinated timber production to hunting considerations or water supply protection. The concept of multiple use was clearly embodied in Secretary Wilson's 1905 first letter to the Chief Forester officially transferring "Forest the Reserves" from the Interior Department to the Department of Agriculture: "In the administration of the forest reserves it must be clearly borne in mind that all land is to be devoted to its most productive use for the permanent good of the whole people, and not for the temporary benefit of individuals or companies. All the resources of forest reserves are for 'use,' under such restrictions only as will insure the permanence of the resources of the reserves is therefore indispensable to continued prosperity, and the policy of this department for their protection and use will invariably be guided by this fact, always bearing in mind that the 'conservative use' of these resources in no way conflicts with their permanent value...and where conflicting interests must be reconciled the question will always be decided from the standpoint of the greatest good of the greatest number in the long run." . (Pinchot, The forestry Chief term 19147, September 1, and . p. 261) "multiple literature Forester . in the use" 1933 first appeared in Senate. reports In in American prepared his report, by the dated 1933, Chief Forester Robert Y. Stuart reviewed Forest Service History by saying: 15 "The Forest Service had to find a principle to govern the use of land valuable for more than one purpose. The principle decided upon was that if a choice must be made between conflicting forms of use, the which one will make the land of greatest public utility must be provided for; but that if 'multiple-purpose use' a is feasible, plan for coordinated use must be worked out, contrived as to yield the largest net total of public benefits. ...it is through demonstration of the workability of the principle of 'multipleuse' that the national forest experiment has perhaps had its greatest value." (Report of Chief Forester 1933 p.1) 1933 Senate Document "A National Plan for American The Forestry" commonly called multiple use in the introducing Copeland Report, report's the refers to 'Forest-land Resource' section. In the first section of this part of the report the extent and character of' our forest lands are outlined by major forest regions and as to broad classes of ownership. Here is emphasized the peculiar and highly 'multiple-use' important characteristics of forest land' and the five major uses involved--timber production, watershed protection, recreation, production of forage, and conservation of wildlife (p. 119). Used with increasing frequency during the Forties and Fifties, multiple use was specifically established as U. S. Forest Service Policy and statutorily defined by the United States Congress "Multiple when it Use-Sustained passed, Yield on Act" June (Public 12, Law 1960 86-517, 1960). it is the policy of the Congress that the national forests are established and shall be administered for range, outdoor recreation, timber, watershed, fish wildlife and and pu rp 0 the s e s. 'Multiple Use' means the management of all the various renewable surface resources of the national forests so that they are utilized in the 16 combination that will best meet the needs of the American people, making the most ,judicious use of the land for some or all of these resources or related provide services over areas large sufficient latitude for enough to periodic adjustments in use to conform to changing needs and conditions; that some land will be used for less than all of the resources; and harmonious and coordinated resources, each management with the various without the of other, impairment of the productivity of the land, with consideration being given to the relative values of the various resources, and not necessarily the combination of uses that will give the greatest dollar return or the greatest unit output. (section 14) Subsequent legislation has focused on the development and adoption of management practices and procedures consistent with multiple use concepts and principles. Forest and 19714 Rangeland Renewable Resources Planning Act (Public Law 19714), 93-378, Resources Planning Act or RPA, study of economic all forest analysis of based the commonly calls for outputs impacts and of known as The of the the simultaneous the intensive programs. The Resources Planning Act directs the Secretary of Agriculture to: "Perform an analysis of present and anticipated uses, demand for, and supply of the renewable resources, with consideration of the international resource situation, and an emphasis of pertinent supply and demand and price relationship trends;" (Sec. 2. (1)) "identify specific Program outputs, results anticipated, and benefits associated with investments in such a manner that the anticipated costs can be directly compared with total related benefits and direct returns to the Federal Government." (Sec. 3. (2)) "take such action as will ensure that the development and administration of the renewable 17 resources of the National Forest System are in full accord with the concepts for multiple use and sustained yield of products and services as set forth in the MulttpleUse Sustained-Yield Act of 1960." (Sec. 8) The National Forest Management Act of 1976 (Public Law 94-588) generally known as Forest Management Act the or NFMA, provides direction for the Forest Service planning process. In accordance with the Resource Planning Act, the Forest Management Act requires the development and adoption of various land and resource management planning practices and procedures physical, for estimating biological, and economic, evaluating social and changes in conditions associated with alternative natural resource combinations for units of the National Forest System which: "provide for multiple use and sustained yield of the products and services obtained therefrom in accordance with the Multiple Use-Sustained Yield of and 1960, in particular, include coordination of outdoor recreation, range, timber, watershed, wildlife and fish, and wilderness; and " (Sec. 6. (e) (1)) Act "determine forest management systems, harvesting levels and procedures in light of all the uses set forth in subsection (c)(1), the definition of the terms "multiple use' and 'sustained yield' as provided in the Multiple Use-Sustained Yield Act of 1960," (sec. 6 (e)(2)) That multiple use is to be a guiding concept in the management of national forests is without question. Federal statutes and regulations governing national forests are all explicit in requiring land and resource management consistent with multiple use principles. While there is 18 general acceptance of multiple use as a principle, there has been, forest management continues and be, to considerable disagreement as to what multiple use precisely means. Term Definition early As 1938, as Ciriacy-Wantrup observed that multiple use had at least two meanings: "the administration or management of several uses (1) of wild single land by unit single agency" and a (acre) of wild (Ciriacy-Wantrup, 1938, interpreted the under land p.665). first (2) "the use several If multiple it was a purposes" for meaning, of use was workable a principle; if multiple use was defined in accordance with the second, it was rejected as being "wholly unsound."1 Dana (193) management of and each (1953) MoArdle acre of forest proposed land to that tñe produce the combination of products that maximized net returns to the owners, either public or private, and whether measured in monetary or non-monetary units, interpretation of multiple use. 1 reflected Pearson the proper (19LL) asserted The necessity of making constantly new combinations of uses in view of changing economic conditions invalidates the multiple use principle, in the sense of the desirability of several or all uses on the same acre of wild land, because the optimum use might require a single use or at least the exclusion of several subordinate uses in favor of the dominant use or uses. (Ciriacy-Wantrup, 1938, p.665) 19 that multiple use must be interpreted primarily, or even solely, in terms of large areas with single (primary) uses identified for subdivisions. Secondary uses for specific subdivisions as were permitted long they as did not conflict in any way with the area's identified primary use. Various authors have categorized multiple vague and ambiguous concept (Zivnuska, 1972). Gregory, use as a 1961; Pearse, 1969; Others have identified multiple use as a term with significant emotional appeal and a meaning which often varies according to its user (Clawson, 19714; Duerr, 1975; Fairfax, 1977). The general, somewhat imprecise and even somewhat contradictory, language of the Multiple Use-Sustained Yield Act evidence is of ambiguity the definition of multiple use. multiple use "to mean renewable surface prefaced by Congress that shall timber, be the the resources of declaration national and a precise The statutory definition of the management administrated watershed, surrounding national the that "it forests for outdoor wildlife of all and is are the various forests" is policy of the established recreation, and range, fish purposes." The definitional phrases "some or all of these resources" and "some land will be used for lese than all of these resources" further narrows the range of forest resources required to be conceptually encompassed by the term. The phrases "best meet the needs of the American people" and with consideration being given to the relative values of 20 the various resources" may be interpreted as for economic efficiency. However, the a directive establishment of economic efficiency as a definitional goal or objective of multiple use is successively contradicted by the rejection of "the dollar combination of uses that will give return or the combinations which greatest provide the unit the greatest output," greatest though dollar value or unit output are suggested as possible multiple use goals or objectives under certain circumstances. In American forestry, multiple different multiple things use is to different legislative a use has come to mean people. Congress, To directive which specifies that national forest lands are to: "be administered for outdoor recreation, timber, watershed, purposes. ...in the and wildlife range, fish and combination that will best meet the needs of the American people, ...without impairing the productive capacity of the land, with consideration being given to the relative values of the various resources, not and necessarily the combination of uses that will give the greatest dollar return or the greatest unit output." (Public Law 56-517, 1960. Sec. ) To the Forest Service, multiple use forest land management which provides, to the greatest number in Manual, American 1982, p. 119). Foresters, is a "the greatest good the long run" (u.s. adopted the As "multiple use system of by is a Government Society strategy of of deliberate land management for two or more purposes which utilize, without impairment, the capabilities of the land to meet different demands simultaneously" (SAF, 1973). 21 Buffington Ripley and (197!!) multiple define use as a management philosophy which does not stress dominant use, "multiple use, simplified, close is what to operations research people call optimization" (Buffington and Ripley, 117). p. 197!! Christiansen Duerr, Teeguarden, Guttenberg, and (1979) identify multiple use as a popular term for integrated management and define multiple use as: program of managerial inputs rationally selected to produce a desirable set of forest services. What combination of services a manager chooses depends upon context: resource capabljty, technology of production, relative values of inputs and outputs, laws governing land-use practices, management objectives, and so forth. One use may be emphasized, or a "a multiplicity of uses" (Duerr, 6!!-65) The interpretation et of multiple 1979, pp. al, adopted use this in analysis is that multiple use denotes the administration of a particular unit of forest land to simultaneously provide two or more forest renewable surface resources. Economic Interp re ta tion The administration of a specific unit of forest land to simultaneously surface provide resources can which more a from or more interpreted be production process outputs two simultaneously single forest as renewable economic an produces production facility. two or The production of more than one output from a single production facility or production process production economics under the is treated in traditional general heading of joint 22 production (Carison, Ferguson, 1965; Henderson and Quandt, 1971). production processes Gregory, 1971; 1972; Frisch (1965) discusses joint under general the heading of "Multiware Production"; Dillion (1968) examines production processes of a joint production nature under the heading of "multiple response with input control" and "multiple response without input control"; Naylor and Taylor review joint "Multiproduct production processes Production"; under Lynne and the (197)4) (1969) heading discusses production processes of a joint production nature under the heading "Multiple Output Production." Joint Production Joint production occurs whenever given multiple product outputs depend not only upon the quantity of inputs used but also upon the output levels of one or more of the joint products. Xn; (x1, x2, q (2.1) or in implicit form Fk (q1, q7, wherei, k, ... q; x1, x2, = x n ) (2.2) 0 1,2, ...,m; ik products, Xj ... inputs (j (I = = 1, 2, 1, 2, ..., n) . . . , in) The functional forms expressed by (2.1) and (2.2) are perfectly generalized and, as a result can be used to represent all joint production processes involving two or 23 more products. For example, consider process that produces two outputs qi variable input From (x). (2.1), joint production a and q2 and uses one joint the production functions for q1 and q2 are given by: q1 (x, q2) q1 (2.3) = q2 (x, q1) For the unlimited case of joint production where m products are produced using inputs (2.1) produces the following n system of equations: q1 (X1, X2, = q2 (x12 , (X1, x q2, q3, .q x22 ,..., x2; q1, q3, ., 2m where 1, k,q. and x, X; q1,q2, (2.11) "m-1 are defined as before x.. represents the amount of the th resource allocated to the 1th product. Traditionally, distinguished joint being as production with different products production processes have been one technically and of two fixed types: proportions joint (2) joint (1) of production the with technically variable proportions of the different products (Carison, 1956, two products, pp. 75-76; Gregory, 1972, pp. 256-260). q1 and q2, technically fixed proportions, are a always produced If in single combined unit can be defined to replace individual output levels for q1 and 24 The evaluation of joint production with technically fixed proportions can always be reduced to a single product case. If two products, q1 and technically variable proportions, the products, The q1 evaluation and q2, of joint q2, are produced in the proportions in which can be produced may be varied. production variable proportions always with technically requires the employment of a multiproduct optimization framework. Economic Optimization From a purely theoretical standpoint, joint production with technically fixed proportions can be considered a special case of simple (single) production and covered by the same kind of analysis. aggregated to derive a Separate product demands can be combination product demand. And since outputs always hold a fixed ratio to each other, the constant combination of products can be treated as a single homogeneous output quantity to which productivities, costs and revenues can be related. Production of the technically fixed joint products is continued as long as the marginal revenue for the combination of output unit marginal cost of unit production exceeds the and profit is maximized when the marginal revenue of the combination unit equals the marginal cost of the combination unit production. The with analytical technically similarity fixed production does not between proportions and joint simple production (single) imply that they are also similar in 25 other respects. For example, the joint production nature of a technically fixed proportion production relationship destroys the total cost output divided by the makeup when changing effects production with general price output, and pp. output technically Moreover, production equilibrium are different quite the joint and proportions fixed by constantly is 263_611). simple of divide cannot one that of 1972, (Gregory, individual "average cost" equals idea of average cost; upon a Where . there is jointness in production, there is also jointness in supply. (1970) Kahn supply produces demonstrates general price a that quite jointness different from in a simple production situation. When the proportions between the different joint products varies with different levels, there ceases to be a possibility for formulating a composite homogeneous output quantity to which productivities, the different Nor is and revenues of production products can joint possible it costs, to relate the magnitudes be related. of changes separately to the different multiple output products and to their calculate problems arise individual costs since a change in one variable proportion product will generally influence the demand relations technically economic framework. These revenues. and of variable evaluation the others. proportions within a technical, Joint cost and production always multiproduct with necessitates optimiztion 26 Alternative approaches economic optimization to for multiproduct production are thoroughly discussed by various authors (Dillion, 1968; Frisch, 1965; Renderson and Quandt, 1980; Lynne, 1974; Naylor and Taylor, involves the assumption that each q assumed independent; be deduced combination i.e., from of any One approach 1969). production function is no one production function can other functions production (Dillion, function 1965, 411). p. or The underlying production functions reflecting this assumption for a two product and a two input variable proportion joint production case are given by: q1 = q1(x11, x21; q2) (2.5) q2(x12, x22; q1) where q1 are q2 production costs products, and x1, revenues x2 for are inputs. products, production of both products 4s increased and q2, long as the q1 as Given marginal revenue product exceeds the marginal product cost for each product. Profit is maximized when the marginal revenue product equals the marginal product cost for each product. (Frisch, 1965, p. 285). Thus far, the economic optimization of joint production processes have been absent of any input, output or expenditure however, restrictions economic constraints. or op timizatjon limitations. is subject Generally, to important The constraints to which profit maximization is subject are variations of two principal types (Dillion, 27 p.lI)4). 1977, First, the of output level fixed is and economic optimization involves identifying the input array that has the least cost for the required level of output. Or, secondly, the total outlay may be fixed and economic optimization involves determining the most profitable array of outputs under the expenditure limitation. Numerous fixed output and fixed outlay constraints influence the allocation of forest multiple use resources. For example, annual production levels for all multiple use resources are limited output to consistent with sustained-yield Sustained Yield Forest 1960; Act, Management Act,. quantities principles which (Multiple Use- Resources Planning Act, 1976). "threatened" or "endangered" are Production 197)4; levels for species are not permitted to fall below current levels (Endangered Species Act, 1973). Output quantities of fishery resources are required to be increased over to five percent (Resources Planning Act, 19714). resource production program Though funding levels products and areas, 197)4 levels by 1990 In addition, multiple use enjoys unlimited funding. may vary greatly between and among all multiple use resource management programs are conducted within the confines of established expenditure limitations. The neo-classical approach to joint production assumes that production functions can be accurately specified and that factor and product markets outputs. When production exist for all inputs and functions are reasonably 28 representative relationships of of biological the production the technical and process(es) and market prices are reasonably representative of the true economic value of all inputs and outputs, economic When optimum production is a fairly functions the determination of an straightforward inaccurately are activity. specified or market values are not available for all inputs and outputs, the determination of an economic optimum becomes a problematic or impossible activity. Prob lems The problem of applying a joint production economic framework to multiple use resource allocation questions is twofold. between First, and understood. biological among multiple and use technical resources relationships are little Second, market values or values representative of the true economic worth of resources exist for only a few forest land inputs and outputs. Perhaps the most obvious and limiting problem influencing the application of joint production theory to multiple use resource allocation questions is the lack and near non-existence of available data on multiple use physical and technical production relationships (Davis 1976 and Teeguarden, 1977). One underlying cause of the absence of physical and technical production relationship data is the problem 29 * associated with units of measure for the outputs of some multiple use resources. for measuring timber and Units forage are well known and in although one everyday use, might argue the relative merits of board feet, cubic feet, cords, International or Scribner log weight, Animal Unit Months, etc. of dry tons scale, Water is more difficult to measure since quality and timing aspects must also be considered. Quantities, however, can be measured in acre feet or in gallons, cubic feet or cubic meter per minute, hour, recreation wildlife But there day. or should and is far measured be fishery and production on how less agreement has the measurement not proceeded beyond the making of simple population counts. of much Units for measuring some other products of forests such as non-game wildlife and non-commercial plant species are even less well-defined. One of the most difficult problems in applying joint production theory multiple to use allocation evaluation is that of resource valuation. issue Computation of an optimum multiple use resource allocation requires the use of product values reasonably products' true economic values. representative of the Of the five most commonly cited multiple use resources, only timber is market-priced or exhibits evaluation. price a Outdoor which approximates recreation, a range, true economic watershed and wildlife and fisheries are provided by the government free of charge or at administratively determined rates 30 nonreflective of the full values of the resources (Clawson, 1976). absence The market of values or values representative of the true economic worth of the resources for many forest institutionalized social commitment various multiple use resources to irrespective their of consequences arising externalities, the various multiple reflects: products land ability from "public" or to provision of the nation's citizenry pay and economies (2) economic of scale, goods "merit" resources use the to an (1) and nature market of power concentrations The absence of reasonable approximations of accurate market-prices for most multiple use resources requires the modification of or a departure from the usual. economic allocation process. Typically, "implicit values" or pseudo- prices are utilized non-marketed multiple to satisfy optimality conditions for use resources. The derivation of implicit resource values for non-marketed forest land goals and services generally reflects one of two basic valuation approaches. Under the first approach, the value of a non- market good or service is derived from the observed value 2 For discussion relating to the social value of multiple use resources see Bishop (1978), Convery (1977) and Row (1977). For comprehensive considerations of externalities see Baumol (1975), Castle (1965) and Holterrnan (1972); for discussions of externalities associated with multiple use resources see House (1971) and Krutilla and Fisher (1975). For a through review of public and merit goods see Bator (1958), Buchanan (1968), Holterinan (1972), McKean (1968) and Musgrave (1969). 31 of market-valued a valuation good approach, value the Under service. or of second the non-market a good or service is derived from an observed market value produced by the establishment of a hypothetical market. examples of the first approach Foremost (the indirect method) are formulations of the "travel cost method" Brown, Singh and Castle, 196'i; Clawson and Shorus, Cesario and The 1970; Clawson, 1959; Driver, 1972; Shallof, 1981; 1966; Knetsch, 1980). Knetsch, most common examples the of second approach (the direct method or survey valuation method) are iterative bidding value questions (Dwyer, Kelly games, experiments, and and contingent Bowes, 1977; open-ended auctions, substitution and Randall and prices are games Brookshire, 1978). Occasionally, administrative utilized to satisfy optimality conditions for non-marketed multiple use resources. The usage of administrative prices to allocate forest land products provides little likelihood that the satisfaction of optimization conditions optimal allocation of the resources. coincidental instances of will produce an With the exception of equivalency of administrative charges and a good approximation of the true economic value of the resources, the utilization of administered prices to satisfy optimality conditions practically ensures resource misallocations. administratively For example, zero-priced, where the rules resources of are marginal analysis indicates that no quantity of a resource should be 32 provided if there is any involved cost making in it available, no matter how great the demand for the resource might actually be. Where forest land products are public goods, there is no incentive for consumers to reveal their true evaluation, of a resource's worth, since consumption is not conditioned by individual contributions. pricing with provide an (Musgrave, of uniform prices optimal allocation 1969, p. 9). additional an payable by public of Marginal cost everyone cannot natured goods By definition, the marginal cost consumer of public a good is zero; therefore, marginal cost pricing requires a zero price for the good once it has been provided. Where resources are administratively priced below the marginal cost of resource provision, resources are utilized to a greater extent than the real costs would warrant. only by consumers who Resources are utilized not value the resource approximate to a real price but also by consumers whose marginal evaluation, while less than a proximate real value, is greater than the administered fee. Therefore, larger quantities of resources are demanded than would be at real cost pricing levels. This may pressures 1976), to lead expend to such things as congestion and recreational facilities (Reiling, livestock overgrazing, etc. One approach to the economic allocation process, given the existence of non-market resources, operative resource resource production combinations can is conditions. then be to identify the Alternative presented to the 33 appropriate Assuming decision that the making decision entity group consideration. for accurately reflects society's preferences, selection of a particular resource combination gives an implicit value for a non-market valued resource. The production conditions important to this allocation approach are relationships. output Given trade-off production function and transformation the ratios) along resource a iso-cost ratios production (input- function surface, selection of a point on the surface provides an implicit input-output price ratio. transformation ratios along an iso-cost Similarly, given the (product-product surface, seaection of trade-off a ratios) surface point identifies an implicit product-product price ratio. The absence of market values for one or more resources necessitates that resource the decision making entity determining allocations be especially concerned with the effects of various actions on the eventual product-product trade-off ratio. Product-product trade-off ratios to be accurate must be calculated along the correct curve; trade- off ratios cannot curves between or be calculated curves. Any along effects internal of iso-cost intermediate product relationships must be identified and isolated. is of crucial importance that the underlying It technical relations among the products which determine the manner in which resource outputs respond to a given level of resource application are correctly specified. Trade-off ratios will 34 be misleading unless the underlying technical relations have been accurately identified. Applications The possible application of joint production theory to forest land outputs was first discussed Ciriacy-Waritrup (1938). and dismissed by While acknowledging that a single unit (acre) of forest land can be used for several purposes and that alternative uses, although generally competitive, can be complementary or supplementary (independent) under certain economic conditions, Ciriacy-Wantrup rejected the classification of forest land uses as joint products in the economic sense.3 Gregory (1955) was the first to actually suggest the direct application of joint production theory to multiple use allocation problems. Using two forest land products, timber and forage, Gregory developed a theoretical productproduct model of a continuously functional trade-off between the two forest outputs. The theoretical product- product illustrated model graphically. by a was initially and solved The geometric presentation is then replaced mathematical treatment, and the hypothetical two- 3Joint products were defined by Ciriacy-Wantrup to exist whenever the increase or decrease in the production of one product increases or decreases the production of others or at least makes it more economical to do so (CiriacyWantrup, 1938 p. 665). 35 product model is presented and solved mathematically using generalized expressions for production and cost functions: = f(x1, x2, ..., x; Qf) Qf = f(x1, x2, ..., xn; TC Qe) wh e re Quantity of timber in bd. ft. Qf = Quantity of forage in lbs. x. variable inputs (j ..., n) 1 TC = summation of various input costs for outputs The product-product considerations of: and model (1) an Qf (Gregory, presentation increase in 1955 pp. 9-11) concludes with model numbers, (2) product value quantification problems, product (3) the relaxation of the assumption of instantaneous production, and (34) the contribution which the product-product model can have in identifying values of non-marketed forest land outputs. Black (1963) described a joint product production model developed to evaluate the complementary relationship between the forest land production of timber and water for a 150 sq. mi study area. The allocation model was a three- dimensional response surface which identified the timber and water production levels which maximize net revenues for different cutting schedules (Maas and Hufschmidt, 1959). Study area research data and empirical research findings 36 were utilized to define timber and water yield production relationships. Timber function fixed of a production average expressed was per volume acre, as a fixed a acreage, and rotation length, i.e., f(x1, Qt 2 x3). Water production was expressed as length, average interval, and ru off per a function of rotation length acre, of cutting an ext apolated relationship describing the reaction of water yield to timber regrowth, i.e., Qw where f(x3, Tt extrpolated relationship of water yield Tt and timber regrowth for time period t of the rotation period length Timber and water pr.duct values were derived from market sources while product costs were extrapolated. value of product net revenues The present presented were for alternative rotation lengths and cutting schedules using 3 and 6 percent discou t rates. The cutting schedule which maximized product net revenues for a given discount rate was found to be inde.endent of the rotation length. When a 3 percent discount r.; te was employed, the cutting interval which maximized determined to be the 13 present value years. The of net cutting revenues interval was which 37 maximized the present value of net revenues for a 6 percent discount rate was foud to be 9 years. Castle (1965) d scussed possible application of the joint production the.ry to evaluating the effects of two types of timber har esting practices upon other aquatic Essentials reso roes multiple of application problems Muhlenberg small output theory streams. coastal reviewed and modification of were ere discussed. (196 Gregory's theoretica (Gregory, 1955) simplified of fisheries and discussed ) the continuous ccept to two-prod ct product-product empirical discrete example of model data. discrete a A data formulation was tabul..rly presented for pulpwood (cords per acre) and deer per (lbs. acre). Assumed values were provided for each out.ut and production costs were imputed form value changes stock levels. various associated with alternative growing The two-product example was evaluated for levels of ustainable growing stock. A first approximation of the *ptimum combination of the product mix and degree differentiated of c:pital - from The basic two-produc 'lotted tabular was graphically output points and discussed. model was expanded to include water and aesthetic conside ation. a intensity presentaton of The discussion concludes with quasi-physical transformation functions for cordwoo, deer, water, and aesthetics. Worley and Patri (1971) developed a graphic multiple output model to eval ate streamflow increases in terms of 38 timber growth foregone. record timber of alternative The model was based on a 10-year :rowth manageme t and streamfiow practices. Timber response growth to and streamfiow increase w-re expressed in terms of seven input variables: f(x1, f(x1, x7), 2' x7), 2' where = timber growth (Bd Ft/Acre/Year) Q = stream low increase (In./Acre/Year) xj = input ariables (j=1, ..., 7) (Of the sevn variables, the percent of cubicfoot volume removed (trees 5 inches dbh and greater) wa Four distinct stage most closely related to of product and Qw.) substitution were identified and discused: A supplemen ary (independent) stage when zero to one third of the timber volume is removed, A competiti e stage when one-third to one half of the cubic-foot volume is removed, A weakly conpetitive stage when one-half to three-fourt s of the cubic-foot volume is removed, an 39 An antagonitic (strongly competitive) stage I. when more t an three-fourths of the cubic foot volume is removed. (Worley and Patric, 1971, p. 81). The model was present d as a case study only and no optimal product allocation or management program was suggested. (1971) utilized a joint production framework to House develop a mathematical model for allocating timber, water, fish, wildlife, forested study recreational viewing and area Washington. in resources of model The a was constructed using poli periodic programming to simulate the dynamic and long term interrelationships. quality of the model, Citing physical between timber and little nature the unavailability describing data multiple of and o her uses as a major disadvantage of -ttention is devoted to identifying forest Hypot etical resource potentials for game, fish, and sediment ar impacts poor relationships the production relationships between timber and other land products. use provided to illustrate the resulting of alternati e non-timber outputs. timber management practices upon Production yields for outputs were developed for 20-year intervals and a planning horizon of 200 years was establshed. The cursory treat"ent Economic values were assigned of non-timber resources was substantiated by a reported result of the study that nontimber resources hav "small economic value compared to timber" (House, 1971, p. vi). 40 to all multiple use roducts except viewing and the model was optimized by max mizing present net worth subject sustained yield timb r management and the to protection or non-protection of rec eational viewing. O'Connell and Br wn (1972) employed a multiple output production framework evaluate experimental vegetative to treatments designed t increase water yield. Their analysis was within a multipl use resource setting that included timber, wildlife environmental abitat, quail y. production functions single Pre liminary for sediment, herbage, water, timber, and and product herbage and product-product functions for water and timber, herbage and water, and herbage an. timber were developed from observed test area data and were graphically presented.5 product relations were evaluated technical relationships. in terms Product- of underlying To account for the dynamic nature of forest land production, outputs and costs were evaluated over a proposed 90-'ear figures were totaled rotation. Output production or the 90-year period and converted to a average annual v..lue. Costs were discounted to their present value and convrted to an annuity which in turn was averaged over the pl:nning period. Alternative 5flesource resource produc tion functions and product-product relationships were exp essed in terms of alternative levels of strip cutting. P oduction functions for water (i:1), timber (i2), and herb:ge (i3) were of the form f(x.) where Q products i 1,2,3) level of st ip cutting (j = 1,2,...,5) 41 allocations were exa med in of cost minimization terms criteria and in terms of resource trade-off associated with a given level of ma agement practice expenditure. Output pricing consideration the extension and to include non- marketed forest land products were deferred to subsequent studies. pp. (1972, Gregory geometric treatment model. 393_1405) presented expanded an his 1955 theoretical product-product Hypothetical were relationships product-product graphically illustrat;d for timber and forage, timber and recreation, sawtimbe wildlife. Consider-ble impacts that attention under ying timber and recreation and was focused and the on relationships technical and relative price relaVonships may have, on product-product combinations maximizig net Values revenues. and costs were assumed for all considered inputs and outputs, and all optimization solutions were derived geometrically. Lynne (197L1.) ba-ed the development of conceptual a trade-off model for evaluating alternative water resource allocations upon mult iple output production theory. of joint products, theore tical concepts resource defined examined independence and to calculating and interdependence were illustra ed. Several illust ate problems water r:source affecting hydrologica joint costs, empirical and trade-off The and concisely cases procedures ratios. were in Elements resource allocations and trade-off ratios were identifie. and thoroughly discussed. Optimal 42 resource allocations were predicated on the identification of the operative resource production function relationships and were derived graphically and mathematically. Turner described (19714) allocation model which planning a incorporated methodology and production joint relationships of selected multiple use resources. Turner's model maximized net revenues subject management production goals and targets. model was model essentially developed changes. by replication a House (1971) of with alternative to The allocation the mathematical several important First, silvicultural practices were specified as independent Second, variables equal productivity rather emphasis was relative and than placed dependent variables. resource on valuation. Third, physical ranges of economic values rather than single values were provided for products. Finally, the maximized worth net for each solution was another relative indicator of a given resource allocation strategy goals and timber site), targets. (bd. ft. forage for alternative management production Products included sawtimber), (AUMs), preference ranking). in the model were water (acre inches runoff on and aesthetics appeal (visual Annual average production yields were established for 10-year periods and the rotation length was specified as water over 120 years. time and The relationships of timber and resource prQduct density were graphically illustrated. given to identifying and yield and timber Little attention was evaluating the underlying 43 technical were relationships primarily between focused upon Discussions resources. allocation the model, its description, its solutions, and proposed refinements. Teeguarden (1975) applied joint production theory previous case study data examine to the to underlying technical relationships (Beady approach) between (1) timber and water (Worely and Patric, 1971), (2) timber and recreation (Amidon and Gould, 1962), and (3) timber, water, forage and Underlying sediment (O'Connell technical relations four and stages Patric, of 1971), technical 1972). approach) (Heady thoroughly discussed and illustrated. (Worley Brown, and were With case (1) data demonstrated that Teeguarden relationships between timber growth and water yield could be identified depending upon the percentage of timber harvested. Worley and Patric in While concurring with number the of identifiable relationship stages, Teeguarden differed with the authors in relationship classification and boundary identification. For example, stage one (0-33 1/3% Cu. ft. volume removal) identified by Worley and Patric as an independent stage was shown as removal) a by complementary Teegauarden; stage stage 3 (0-20% (50-75% Cu. cu. ft. ft. volume volume removal) shown as a weakly competitive stage by the authors was identified as a strongly competitive stage (14O8O%) by Teeguarden. Teeguarden timber and With case (2) data (Amidon and Gould, demonstrated recreation that the changes relationship from 1962), between competitive to 44 independent as recreational development was increased given existing the physical characteristics of resources of the Sierra National Forest. forest the The opportunity cost in foregone timber for exclusive recreation usage of the study area was shown to be 8 cents per 1962 visitor-day and only $100 16 cents per visitor-day at thousand per board (O'Connell and Brown, feet. a stumpage price of With case (3) data 1972), Teeguarden demonstrated that if only timber, water and herbage benefits were at issue, underlying technical relationships suggested that maximum net benefits were realized by selecting either a 33 percent cutting or a clearcutting. If only water and herbage were of value, technical the clearcutting was presentation concludes the relationships optimal with harvesting implied that practice. The overview an of land-use planning in relation to management principles of dominantuse, multiple use and incrementalism. Riitters, Brodie, and Hann (1982) incorporated joint production considerations in an analyt.ical model designed to simultaneously rotation for determine ponderosa pine the that thinning intensity and jointly maximized the returns from both grazing and timber harvest unit of land. Independent and on the same joint product production relationships were defined for timber and grazing in terms of four descriptors: age, basal area, number of trees, and time since last thinning. determine the Dynamic programming was used to optimal thinning and rotation of even-aged 45 ponderosa pine for: (1) grazing only, (2) timber only, (3) grazing at timber and current prices, grazing (II) and timber with stumpage increasing one percent per year and (5) grazing and timber with beef prices increasing at one percent per year. The authors demonstrated that depending on relative prices and discount rates, the maximum value of area production was provided by timber alone, grazing alone or an optimal illustrated schedule of possible the joint production. expansion They also optimization of to include water and concluded that the developed methodology could applied be estimated from to the any set number of of outputs that descriptors state can (i.e. be age, basal area, number of trees, and time since thinning). A review of joint production applications in chronological order is presented in Table 2.1. This chapter concludes the first segment of research which served to introduce the reader to multiple use and the possible perspective. the analyses investigation from a joint production The remainder of the thesis is concerned with of alternative multiple use resource allocations of selected resources for the identified study area. Table 2.1 REVIEW OF JOIN1 PRODUCTION APPLICATIONS IN CHRONOLOGICAL ORDER Resources Considered Analytical Ap2roach Year Author(s) 1938 Ciricoy-Wantrup 1955 Gregory An Economic Approach to Multiple Use Timber and forage Geometric Mathematical 1963 Black Timber and Water Resource Management Water and Timber Three-dimensional response surface 1963 Castle Multiple Use RelationshipsProduction and Fishery Timber and Fisheries Geometric Title Re source 196 Muhienberg A Method for Approximating Multiple-Use Optima Pulpwood and Deer Geometric 1971 Worley and Patrio Economic Evaluation of Some Management Alternatives on Forest Land in West Virginia Water and Timber Geometric 1971 Mouse An Economic Model for Allocation of Multiple-Use Natural Resouroes Polyperiodio Programming 1972 O'Connell and and Drown Use of Production Functions to Evaluate Multiple-Use Treatments on Forested Watersheds Water, Timber, Deer, Salmon, and recreational viewing Timber, Water, 1972 Gregory Forest Eoonomioe Use" Chapter) 1 97I Ly nr. 0 Multiple Objective Planning Procedures in Water Resource Development and the Trade-off Ratio ("Multiple Mathematical Ilerbage and Sediment timber, forage Geometric Water for irrigation, water for municipal and and industrial usa Geometric and mathematical Table 2.1 Tear (cont.) Author(s) Title Considered A22roach 197q Turner Allocation of Forest Management Practices on Public Lands Timber, Water, Forage and esthetic appeal Polyperiodic Programming 1975 Teeguarden Multiple Services Evaluation of case study data cited by: Amidon and Gould, 1962 Morley and Patrio, O'Connel and Brown, fleady Approach to technical relationship classification 1972 1982 flutters, Brodie and Mann Dynamic Programming for Optimization of Timber Production and Grazing in Ponderosa Pine Timber and Grazing Dynamic Programming 48 III. THE UPPER MIDDLE DRIFT CREEK WATERSHED Introduc tion The objectives of this research cannot fully be satisfied simply by defining multiple use in terms of an analytical framework of joint production. To be an asset in multiple use decision making and problem solving, analytical framework must be operational. is tested applying by the the Operationality analytical approach to the allocation of multiple use resources of a particular area. The purpose of the present chapter is to more completely describe the study area selected for analysis. Drift Creek Watershed Drift Creek is located in the Coast Range, of Lincoln City and into Siletz Bay 30,100 acres, timberland, (Figure the two the is southeast second major stream emptying Encompassing approximately 1). Drift Creek watershed municipal watersheds, contains prime important salmonid spawning and rearing areas, and is inhabited by upwards of 306 wildlife species mammals, (birds, amphibians and reptiles) (Hebo FEIS, 1978, pp. 21425). For Watershed the purposes was divided of into analysis, four the Drift Creek sections: lower, lower middle, upper middle, and upper (Figure 1). upper portions are primarily privately The lower and owned while the FIGURE 1. 12 LIY'J COLN 7 DRI?J' CREEK WATERSHED I0 9 8 II 12 fl CITY I? 13 IS 13 14 9 L! 13 6 I? 20 23 a) 22 hO BA C I' I1N 24 211 29 2â 28 26 8? I \2S(IJ II .11 31 32 33 MID1LE 3 r I - 3 yr 21 ci 33 21 UPPE MT a uI.EtEUEN BEACH 14 IS 24 is 20 14 22 Scale: =l Mile DRIFT CREEK WATERSHED I) 4 12 50 lower middle publicly and owned upper lands middle sections administrated by are the principally U.S. Forest Service. The upper middle portion of the Drift Creek drainage was selected for the focus of attention of this study. The area typifies National Forest acreage of the Oregon Coast Range and is representative of a multiple use natural resource producing area. Study Area The upper middle portion of' the Drift Creek watershed is located in the northeast corner of the southwest corner of the Hebo Ranger District of the Siuslaw National Forest. The upper middle Drift Creek area contains 7,890 acres; 6,730 acres of National Forest land and 1,160 acres owned and/or managed by other agencies, private organizations and individuals6 (Figure management of the area National Forest Hebo Proposed 2). is described Planning Unit in Forest the Final 1978 Service Suislaw Environmental Statement. 6The 1,160 acres of other ownership has been designated proposed acquisition acreage by the Siuslaw National Forest. For the purposes of this study, 580 other ownership acres will be treated as being acquired by the Forest Service at the beginning of each of the first two planning period decades. a 51 UFFR MIDDLE DRIFT CREEK FIGURE 2 //' LCOLN I 2 14 3 9 9 0 II 8 *7 '6 5 II 31 32 54 35 7 *2 CITY / VL I I 33 WhiZ jBAY 6 5 7 9 4 3 I II 2 ____ 3LENEDE N 3ECH (1 22 EACH (I .4 :: Scale: l Mile LEGEND SITJSLAW NATIONAL FOREST FOUNDARY I I 3 23 74 !D LNCOLN :: 4 UPR MIDDLE DRIF' CREEK LANDS SC}DULED FOR ACQUISITION 7 52 Cl i ma t e Mean from annual 52°F to 1490F temperatures throughout 1i.10C). to (9.140C the area Average range annual precipitation varies between 100 to 120 inches of rainfall (Hebo FEIS, 1978, p.8). Soils Study area soils range in depth from one to eight feet and are one formation, mixed of five mixed major volcanic volcanic rocks rock types: marine and sedimentary intrusive and sandstone type rocks, rocks, marine sedimentary rocks, and intrusive rocks that form sills and dikes (Hebo middle Drift FEIS, 1978, Creek area Elevation p.5). ranges from zero of to the 1 ,500 upper feet above sea level, with the majority of acreage falling into the 1,001 to 1,500 feet elevation category. lands varies from 0 to 145 Slope of area percent, with 142 percent of area acreage exhibiting slopes in excess of 25 percent. The middle Forest Drift Service Creek currently acres as identifies possessing a 320 high upper risk rotation failure potential, 730 acres as medium high risk rotation failure potential acreage, 160 acres as high risk debris avalanche areas and 320 acres as medium high risk debris avalanche acreage. twenty acres are One thousand, one hundred, and classified as marginal acreage (land 53 identified as incapable of producing 20 cubic feet of tree growth per acre per year). Timber resource Study area Coast Range, National timber Hebo the Forest. Of merchantable size the Coast Range, stands are Planning the or occur timber typical of the Unit, and species Oregon Siuslaw the attain which in merchantable quantities on four, Douglas-fir (Pseudotsuga menziesii) western hemlock (Tsuga heterohylia), sitka spruce (Picea sitchensis), and red alder (Alnus rubra or Alnus oregona) are found within the study area. Two climax forest zones prevail within the upper middle Drift Creek area: (1) the Picea sitchensis zone and (2) the Tsuga heterophylla zone. Presently the hemlock zone occupies 97 percent of the study area and the sitka spruce zone the remaining 3 percent. The 1973-714 Suislaw National Forest timber inventory (U.S.F.S., 1974) indicates that the National Forest portion of the upper middle Drift Creek area qontains 5,6143 acres timber of - standing stands which volumes). have and not 1 ,O4O yet plantation acres attained merchantable (conifer size or Pure conifer stands (hardwood species comprise less than 20 percent of the total stand volume) occupy 74 percent of species the inventoried Forest Service acreage. (hardwood total plot volume) species occupy comprise 114 20-80 percent of percent the Mixed of the inventoried acreage and pure hardwood species (conifers comprise less 54 than 20 percent of total stand volume) occupy 12 percent of inventoried acreage. In general, timber stands of the Hebo Ranger District are relatively young as a result of mid-nineteenth century fires. (not Of the District's 115,000 acres of standing timber including plantations), approximately acres 79,000 (75%) range between 50-100 years, and approximately 29,000 acres (25%) are 100 years and older (Hebo FEIS, p. the 3,1140 study area's 5,6140 non-plantation acres, (56%) range between 50-100 years and 100 years and older. Of the 16). Of acres 1,1490 acres (26%) are 1,1490 acres of 100 year old and older stands, 790 acres are old growth stands (stands over 200 years old). Site index levels for area range from 120-190. the upper middle Drift Creek The mean site index value for the study area is 170. Water Two municipalities, Lincoln City and Kernville, and several domestic users obtain drinking water supplies from the upper percent of (85-102 middle the second (cfs), Creek area. Approximately 85 study area's average annual precipitation inches) Creek's average Drift is low discharged flow as stream discharge of 50 flow. cubic Drift ft. per or 32 million gallons per day, would satisfy the municipal water requirements of approximately 320,000 people. Drift Creek's mean annual discharge of 110 cfs 55 could satisfy the municipal requirements of nearly 700,000 residents, if evenly regulated (Hebo FEIS, 1978, p. 9). Streams Approximately 27 miles of Drift Creek is currently classified as Class I or Class II stream mileage.7 Besides Drift Creek, portions, or the entire drainages of three Creek, major tributory and Fowler Creek) creeks (Wildcat Creek, North and numerous minor and un-named creeks are within the study area. 7The U.S.F.S. categorizes stream mileage into one of four class types according to the present and foreseeable uses made of the water, and the potential effects of on-site changes to downstream uses (Hebo FEIS, 1978, xii). Class 1 - Perennial or intermittent streams or segments thereof that have one or more of the following characteristics: (1) Direct source of water for domestic use, i.e., cities, recreation sites, etc. (2) Used by large numbers of fish for spawning, rearing or migration. (3) flow enough water to have a major inf1uence on water quality of a Class stream. 1 Class 2 - Perennial or intermittent streams or segments thereof that have one or both of the following characteristics: (1) Used by moderate though significant numbers of fish for spawning, rearing, or migration. (2) Flow enough water to have only a moderate and not clearly identifiable influence on downstream quality of a Class stream, or have a major influence on a Class 2 stream. 1 Class 3 - All other perennial streams thereof not meeting higher class criteria. or segments Class - All other intermittent streams or segments thereof not meeting higher class criteria. 11 56 Fisheries Resource A majority of the 19 species of anadromous and fresh water fish known to inhabit the Hebo Planning Unit and Hebo Ranger District are found the Drift Creek important tshawytscha), trout trout (Salmo of' (Sa].mo and has (Oncorhynchus sea-run airdneri), rainbow cnow salmon Chinook salmon Coho clarki) area study The distributions steelhead kisutch), cutthroat drainage. spawning (Oncorhynchus in the upper middle portion of trout (Salmo £airdneri). Wildlife Resources Seventeen of eighteen major non-oceanic wildlife habitat types identified for the Hebo Planning Unit and the Hebo Ranger District can be found within the study area. Most of the 230 species of birds, 56 species of terrestial mammals, 12 species of amphibians, and 12 species of snakes known to inhabit the Hebo Planning Unit and Hebo Ranger District can be located within the Uppe'r Middle Drift Creek Watershed (Hebo FEIS, 1978 pp. 214-25). All non-avian wildlife species presently classified as game animals or furbearers and many of 140 bird species currently classified as game animals are found within the study area. The study area includes a known bald eagle nesting site and contains one of only two known spotted owl nesting sites for the 57 151,200-acre Hebo Ranger District and the 1130,000-acre Hebo Planning Unit.8 Recreation The moderate other upper use middle by portion hikers, recreationists. of campers, The Creek Drift hunters, study receives fisherman and area is readily accessible via a combination of gravel and dirt roads from State Highways 101, 229, and 18. people reside within FEIS, 1978, p.5). 100 Approximately 1.7 million miles of study the srea (Hebo The closest coastal population center is Lincoln City; the nearest major inland population center is Salem. Minor Forest products A variety of minor forest products are provided or can readily obtained be produceable minor firewood floral use; the study forest products (hardwood blackberries, from sword and fern include: softwood), and area. Produced posts, poles, huckleberries evergreen moss for horticultural use; or and huckleberry for cascara bark for pharmaceutical use; cones for reforestation; seedlings for landscaping; and range acreage for livestock grazing. 8Bald eagles are one of four bird species nationally recognized as endangered or threatened. Spotted owls are presently identified as a threatened. Spotted owls are presently identified as a threatened species by the Oregon Fish and Wildlife Department and as an endangered species by Oregon State University 58 The description of the study area presented in this chapter has considered all the renewable surface resources and resource products of the Drift Creek Watershed. For the purposes of analysis only seven study area multiple use resources are considered for evaluation. The determination of joint production relationships for timber, cattle grazing following chapter. and salmonids are deer, considered in elk, the 59 IV. EMPIRICAL ESTIMATION OF MULTIPLE USE JOINT PRODUCTION RELATIONSHIPS FOR STUDY AREA RESOURES Introduction management of principles. form of problems number A forest a management one accordance in considers the multiple use with Timber, as the predominant forest vegetational principal and when arise market typically product, considerations. Other dominates multiple forest use resources--water, range, outdoor recreation, fisheries and wildlife--are generally considered only as they relate to timber. Historically, central the purpose of forest management has been to organize a forest for the continued production of timber. periodic outputs activities. The production of timber occurs in and responds Non-timber multiple water, outdoor recreation, provide annual quicker to flows of consideration of however, regarding of use the forest outputs and resources, such as non-timber multiple does relatively use not responses preclude resources. considerable that interrelated respond The prevailing timber management indicate management to range, wildlife and fisheries, management activities. orientation does, slowly It information to management activities of non-timber forest renewable surface resources is needed. assess the This short information and is long-term necessary impacts to of accurately alternative 60 allocations of multiple use resources and to realistically extend multiple use resource allocation alternativies beyond timber management alternatives. A conceptual framework for dealing with these problems was presented in Chapter I and reviewed in Chapter II. The objective of present the chapter determine to is the multiple use joint production relationships for the major study resources area Chapter I. identified Considerations and for consideration problems associated in with resource and joint production relationship measurement are discussed. Multiple expressed as resource identified for timber, use joint production production deer, elk, relationships coefficients cattle are grazing and salmorijds. External Ecological Effects of Timber Management Activities A forest is a dynamic ecosystem composed of a plethora of plant and animal species interacting with one another and their abiotic (physical and chemical) environment. The interrelationships among the biotic and abiotic components of a forest ecosystem are complicated in nature, virtually countless in number, and change diurnally, over time. The seasonally, and complex and dynamic nature of a forest ecosystem presents significant problems in quantifying the production and interrelationships of forest multiple use resources. A change in the forest ecosystem to benefit one 61 resource brings about concomitant changes that affect other surface resources. Of all the factors that influence the interrelationships of forest resources, activities become have most the forest management significant. Forest silvicultural and harvesting activities not only determine timber yield but also Worley and Patric, 1972; Sassaman, and populations (Black, Skovljn Keniston, 1980; recreational Forest management Alternative" for at increase the water and 197Z; Harris, 1970; wildlife and and 1967), Gibbons and opportunities, activities Salo, Young, fishery 1973; Lyons, aesthetic appeal, applied etc. "Preferred the in the Hebo planning unit are reported increase stand volume production by per acre yield 1971) forage yields (Gibbons and Salo, Hendricks, (1) water 1969; Brown, 1961; Rich and Thompson, 197k; quality (Black, 1973; influence 95 age (Hebo Draft FEIS, population of 46 to: 51,000 board feet 1977 p. wildlife 21), species (2) (An intensive elk management enhancement program is expected to increase Hebo resident elk herd populations by 550 percent. (Hebo FEIS, species domestic 1978, p. (Hebo FEIS, forage )) and adversely affect 98 wildlife 1978 p. 59, 169-171); production potential percent (Hebo FEIS, 1978 p. 57), by less (3) than reduce four and () decrease resident trout and anadromous fisheries by five to ten percent (Hebo FEIS, 1978 p. 59). The upon impacts resource which forest production and management activites interrrelationships have depend 62 upon pre-existing conditions and the timing, the activities employed, the resources considered, and the time period of concern. As a forest proceeds through various successional stages the interrelationships among forest resources will also change. The significance of the changedepends on the perspective taken. for example, the unit of analysis If, is a so-called "normal" forest with equal acreage in each age class of the rotation, harvesting, while very disruptive to the multiple use interrelationships withing a a particular forest stand, is in fact necessary to maintain the general multiple use nature of the larger forest system. Considerations and problems encountered in quantifying the impacts o' productivitjes of forest the management activities on the timber and non-timber multiple use resources of the study area are discussed below. Timber Of all forest multiple use resources, timber has been the most extensively and intensively researched resource in terms of productivity, potential productivity and response to management activities. The practice of forestry has traditionally been based, to a large degree, on predictions of forest growth and yield. provides the basis for Growth and yield information determining rotation periods, establishing short-run harvest volumes and projecting longrun harvest levels. 63 Numerous tables yield (and been have formulas) developed for estimating the amount of wood to be found on an acre. "Normal yield tables" represent the generalized productivity forested of land. extensively "Empirical unmanaged, yield stocked fully (regular tables" and managed) describe the observed average productivity of a forest's actual growing stock (extensively or intensively managed). "Managed yield tables" illustrate the generalized productivity of intensively managed timber stands. "Revised tables" yield predict the productivity generalized stands based on the observed average stand diameter. of Table 14.1 presents the empirical yield tables for extensively and intensively managed Douglas fir stands of the Hebo Ranger District used in the analysis. Extensively managed volume values identify the timber volumes associated with current area management intensification prescriptions. managed volume associated defined by discussion with values marigement Beuter of identify Beuter et timber the intensification al. et (1976). al. Target Intensively A A volumes prescriptions comprehensive and Target B management intensification levels is contained in Appendix A. Non-Timber Multiple Use Resources Historically, the productivity, potential productivity and management response of non-timber multiple use resources have received little qualitative and quantitative TABLE 11.1 EMPIRICAL YIELD TABLE HERO RANGER DISTRICT (Cu. ft. Per core) TIMBER AGE CLASS -1201-tioF (-10)-0 0-10 10-20 20-30 30-I0 l0-50 50-60 60-70 10-80 80-90 90-100 100-110 110-120 120-130 1301110 1110-150 150-160 160-170 170-180 180-190 190-200 200-210 210-220 220-230 CURRENT MANAGEMENT INTENSIFICATION PUESCIPTIONS BEUTER ET AL. TARGET A MANAGEMENT INTENSIFICATION PIIESCIPTIONS 0 0 0 0 100 1000 100 1002 3333 33115 '1676 6188 80311 9715 11558 131110 151111 16775 181166 20328 22008 23706 211387 26028 26028 26028 26028 26028 26028 26028 '1680 7359 BEUTER ET AL. TARGET B MANAGEMENT INTENSIFICATION PRESCIPTIONS 0 0 107 1002 3528 l937 7612 90115 91111 10553 110211 1211011 1111116 1611110 181166 206119 22680 2'$528 25228 26028 26028 26028 26028 26028 26028 26028 26028 12976 15078 11112 191165 21128 23811 25819 26695 27533 21533 27533 27533 21533 21533 27533 27533 65 consideration. resources demands were and the In past, generally exhibited the supplies sufficient satisfy to significant no non-timber of market consumer valuations. There existed little incentive for research regarding the productivity, potential productivity response and to management activities of non-timber forest land resources. The non-timber resource productivity studies that have been conducted are generally site-specific focusing the on short-term effects of a specific management activity upon a particular non-timber resource (i.e. harvest upon forage production or water production) or, case of various wildlife and fishery species, ecological requirements and information potential activities on the short productivity, of species behavior.9 and non-timber long-run and response multiple quantitatively and qualitatively USDA Forest Service, 1979). use treatments as in the focused on Overall, productivity, to management resources deficient (Davis, is 1976; Data on the output interactions and joint production levels of multi-resource production on the same acre is practically non-existent (Davis, 1976). The absence of commonly accepted units for measuring the productivity of non-timber resources precludes an early resolution of data deficiency problems. Before 9For a comprehensive review of research studies considering the impacts of forest managmen'c activites upon deer, elk and fishery resources, the reader is directed to Appendix B. 66 quantitative and qualitative research on short the and long-term productivity, potential productivity and response to management activities can be initiated, resource metrics which have been correctly specified must receive general acceptance. The measurement of three major multiple use resources, watershed, outdoor recreation, and wildlife and fisheries, illustrates timber the unresolved problems associated with non- multiple resource use productivity metrics. Watershed productivity is typically measured in acre feet, gallons, cubic cubic meters per second, feet, minute or hour; a correct specification of a water measurement unit should include water quality considerations. timing and Outdoor recreation is commonly measured in terms of user or visitor days, extremely "an imprecise, measure gross of' recreation service abstracting from the known interaction between volume of use and the quality of the recreation experience "(Teeguarden, specified, the quantification of recreational experiences must 1977, incorporate measurement aspects. Wildlife and p. 111). of both fishery To volume resources properly be and are quality generally measured in terms of species numbers per acre, pounds per acre, or recreational use days. of wildlife measurement and in fishery terms The correct specification resource of both recreational activity potential. productivity physical requires numbers and 67' The ultimate productivity of non-timber multiple use resources not is only influenced by timber management activities but is affected by other non-timber multiple use resource production levels management and programs. For example, the intensity of the recreational utilization of an area influences grazing activities and the density and distribution of deer, emphasis elk herd on elk Managerial fisheries. and enhancement can affect domestic grazing and deer herd levels and management activities. The development of influences resident a watershed's hydroelectric trout and potential anadromous fishery populations. Competition and the possibility of competition between domestic livestock grazing and deer, elk and fisheries has been recognized and a matter of concern to wildlife, fisheries and range managers and scientists for many years (Duff, 1977; Everest and Meehan, 1981; Hansen and Clark, 1977, Mackie, Smith (1977) reported that livestock grazing is the single 1978; Skovlin, Edgerton and Harris, 1968). most important factor limiting wildlife production in the West. Behnke and Zarn (1976) identified livestock grazing as the greatest threat to the integrity of fishery habitat in the western U.S.. (1977) reported that the Galliziolj single most important range management problem limiting the attainment of potential fis-h and Arizona is livestock overgrazing. wildlife Saltzman benefits (1976) in charged 68 that overgrazing one is of most the serious least and understood ecological problems in the western states. Livestock grazing can reduce forage and for deer and elk (Hansen and Clark, cover values 1977; Julander, 1958; Skovlin et al. 1968), interfere with deer and elk habitat usage (Mackie, 1978; Skovlin, et al. elk interrelationships predator and vegetational prey 1976, (Mackie, relationships patterns 1968), alter deer and 1978), 1978), (Mackie, 1977), (Gallizioli, influence alter encourage and disease and parasite transmission from domestic animals to wild ungulates livestock (Mackie, grazing upon 1978). deer The and actual elk influence population is function of existing forage and habitat conditions, and elk densities and distribution, duration and the wildlife, grazing, distributions, the timing of livestock and timber of a deer rate, stocking, management practices employed and the time period under consideration (Mackie, 1978; Skovljn et al. 1968). Forest streams are typically the primary source of livestock water and streamsjdes are important feeding and resting areas (Platts, 1978, The livestock concentration results of excessive in 1979, usage 1980; Saltzman, along of 1976). streamsides riparian often zones and significant reductions in fishery populations (Everest and Meehan, 1981; Gunderson, 1968; Livestock vegetation, grazing increase can Lorz, reduce stream or 1974; Marcuson, 1977). eliminate streamside temperatures, alter channel 69 morphology and increase stream sedimentation (Armour, 1977; Behnke and 1979). Zarn, 1976; Meehan and Platts, Platts, 1978; The actual impact of livestock grazing upon fishery populations depends upon the existing stream and riparian conditions, livestock the intensity and fishery and species grazed, timing, the duration of livestock grazing, range, the timber management practices employed and the time period under consideration. Multiple Use Joint Production Relationships The influences of forest management programs upon non- timber multiple use resources and the influences of nontimber resource production levels and management activities upon other non-timber multiple independent occurrences. use resources are not Moreover, non-timber multiple use production levels and management programs are not without important possible management activities. influences The timber upon possible yields influence of and non- timber resource levels and management programs upon timber yields and management activities ranges from insignificant or minor to highly significant or completely antagonistic. Light deer, seedlings and elk, the or cattle retention browsing of narrow of Douglas-fir buffer strips composed primarily of non-merchantable tree species have at most only minor affects upon timber yields and management activities. retention Heavy of wide deer, buffer elk, strips cattle or comprised browsing, primarily the of 70 merchantable timber species and the designation of an area as a protected bald eagle or spotted owl habitat can have profound impacts activities. upon timber yields The designation of an area wilderness precludes timber management and as recreational productivity and management activities altogether (Black, 1969, 1974; Berg, 1970; Hebo, FEIS, 1978; McGreer, 1975; Ponce and Brown, Ideally, the economic allocation 1973). of multiple use resources should be based on resource joint production relationships which concurrently specify over time the impacts of forest management activities upon timber and non-timber multiple use resources, the impacts of nontimber multiple use resourbes levels management and programs upon other non-timber multiple use resources and the reciprocal impacts of non-timber multiple use resource production levels productivity. and management programs upon timber Multiple use joint production relationships of the form: (x1, x2, = where i = . k :1,2,.. . . ., x; m; k multiple use resource products ,(i = t = inputs, = 1, 2, 1, 2,.., m) .. .n) rotation time period or age class, (t 1, 2, . . ., r) when combined with economic production information could be utilized to identify optimal multiple use resource output levels. Unfortunately the current absence of sufficient 71 quantitative and qualitative data regarding the complex and dynamic relationships between and among multiple use resources precludes the specification of accurate and reliable multiple use joint production economic An resource allocation with an absence of data necessary reliable multiple use four analytical options: resource analyst confronted empirically derive to joint production relationships has wait (1) qualitative and quantitative data reliable relationships. to specify is available production joint sufficient until relationships; (2) derive resource joint production relationships or relative output levels information multiple output through (Ripley levels professional Buffington, and joint use production through opinions use relative levels information and expert the the short multiple run, use synthesis a develop (3) relative or subjective of () or 1972); published construct joint production relationships of (Teeguarden, should production basis the on judgment test joint 197k); relationships (Dalkey, synthetic multiple product of existing synthesis a riot relationships output levels describe everything available 1977). whether be in the or or For derived relative real world, but instead whether for the minimum degree of aggregation they are plausible and consistent information (Teeguarden, 1977 p. with general empiric O1). The approach adopted in this analysis was to develop joint production multiple use resource relationships 72 representative of physical the ecological and characteristics of the study area from existing published information. livestock related Research has shown that big game populations, forage to and anadromous of years number the fisheries that have directly are elapsed since logging and to the programs of forest management employed. For example, Black Brown 19714), (1969, and Hines (1961) (1973) have observed that the deer carrying capacity of an area increases dramatically after logging. From pre- a logging annual average carrying capacity of 20-30 deer per square mile, the increases to carrying capacity of area an 100-160 animals per square mile 10-30 years after logging. decline deer Area deer carrying pre-logging to harvesting. levels potentials gradually 100-110 years after If thinning is performed, area deer carrying capacities are observed to increase by seven to ten percent (Brown, 1961; Hines, non-timber The 1973). resource production coefficients used in the analysis are developed in Appendix C. Tables 14.2, 14.3, I.14 and 14.5 present the study area joint production output coefficients for deer, grazing and intensities salmonids of associated cattle grazing management intensification. and the Tables 14.6, with elk cattle alternative current 14.7, 14.8 level and of '1.9 present the study area joint production output coefficients for deer, elk, and cattle grazing and salmonids associated with alternative intensities of cattle grazing and the TABLE 11.2 DEER PRODUCTION COEFFICIENTS PER ACRE AT VARYING CATTLE GRAZING INTENSITIES (CURRENT LEVEL OF MANAGEMENT INTENSIFICATION) TIMBER AGE CLASS -(2o)-(lo) (-1O)-.O 0-10 10-20 20-30 30_lb 40-50 50-60 60-70 70-80 80-90 90-100 100-110 110-120 120-130 13011b0 1I0-150 150-160 160-170 170-180 180-190 190-200 200-210 210-220 220-230 NO CATTLE GRAZING DEER GRAZING POTENTIAL .0156 .0156 .0*69 .1172 .1172 .0183 .0183 .0547 LIGHT GRAZING POTENTIAL MODERATE CATTLE GRAZING DEER GRAZING POTENTIAL DEER GRAZING .05117 .0156 .0156 .0469 .1172 .1172 .0183 .0183 .0547 .0547 .01147 .01147 .04117 .0*47 .0313 .0234 .0234 .023* .0234 .0234 .0234 .0234 .023* .0234 .0234 .0234 .0313 .0234 .02311 .0234 .02311 .023* .0234 .0234 .0234 .0234 .02311 .0234 .023* .0234 POTENTIAL HEAVY CATTLE GRAZING DEER GRAZING POTENTIAL .0156 .0156 .0469 .1172 .1172 .0183 .0103 .0547 .0547 .0447 .0156 .0156 .04117 .011*7 .0313 .023* .023* .0234 .0234 .0313 .0234 .02311 .02311 .0234 .0234 .02311 .023* .023* .0234 .02311 .02311 .0234 .02311 .0234 .0234 .023* .0234 .02311 .01169 .1172 .1172 .0183 .0183 .05117 .05117 .011*7 .02311 .0234 .02311 .02311 .0234 .0234 TABLE .3 STUD! AREA ELK PRODUCTION COEFFICIENTS PER ACRE AT VARYING CATTLE GRAZING INTENSITIES (cURRENT LEVEL OF MANAGEMENT INTENSIFICATION) TIMBER AGE CLASS -(20)-(1O) -10-0 0-10 NO CATTLE GRAZING LIGHT GRAZING POTENTIAL ELK GRAZING POTENTIAL ELK GRAZING POTENTIAL 200-210 .0100 .0100 .0030 .0310 .0230 .0230 .0195 .0195 .0175 .0175 .0130 .0100 .0100 .0100 .0100 .0100 .0100 .0100 .0100 .0100 .0100 .0100 .0100 2 10-220 .0 100 220-230 .0100 .0070 .0070 .0021 .0022 .0161 .0161 .0136 .0136 .0122 .0122 .0091 .0070 .0070 .0070 .0070 .0070 .0070 .0070 .0070 .0070 .0070 .0070 .0070 .0070 .0070 10-20 20-30 30110 lO-50 50-60 60-70 70-80 80-90 90-100 100-1 10 110-120 120-130 1301110 1$0-150 150-160 160-170 170-180 180-190 190-200 MODERATE CATTLE GRAZING HEAVY CATTLE GRAZING ELK GRAZING ELK GRAZING POTENTIAL POTENTIAL .0050 .0050 .0015 .0016 .0120 .0120 .0099 .0099 .0088 .0088 .0065 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0015 .0016 .0120 .0120 .0099 .0099 .0088 .0088 .0065 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 TABLE 11.11 CATTLE PRODUCTION COEFFICIENTS PER ACRE AT VARYING CATTLE CRAZING INTENSITIES (CURRENT LEVEL OF HANACEHENT INTENSIFICATION) TIMBER AGE CLASS NO CATTLE GRAZING CATTLE GRAZING POTENTIAL -(20)-(1o) 0 0 0 -(1O)-O 0-10 10-20 20-30 0 0 0 0 0 30110 110.50 50-60 60-70 70-80 80-90 90-100 0 0 0 0 100-1 10 110-120 120-130 130-1'IO 1IIO-150 150-160 160-170 170-180 180-190 190-200 200-2 10 210-220 220-230 0 - 0 0 0 0 0 0 0 0 0 0 0 0 LIGHT CRAZING POTENTIAL MODERATE CATTLE GRAZING CATTLE GRAZING POTENTIAL .02311 .02311 .02311 .02311 CATTLE GRAZING .01168 .01168 .01160 .01168 .001111 .001111 .0087 .0087 .0022 .0022 .0022 .0022 .0030 .0030 .0030 .0030 .0030 .0030 .0030 .0030. .0030 .0030 .0030 .0030 .0030 .0030 .0030 .00115 .00115 .00115 .00115 .0060 .0060 .0060 .0060 .0060 .0060 .0060 .0060 .0060 .0060 .0060 .0060 .0060 .0060 .0060 POTENTIAL. HEAVY CATTLE GRAZING CATTLE GRAZING POTENTIAL .0730 .0730 .0730 .0730 .0130 .0130 .0068 .0068 .0068 .0068 .0090 .0090 .0090 .0090 .0090 .0090 .0090 .0090 .0090 .0090 .0090 .0090 .0090 .0090 .0090 TABLE I$.5 SALIIONID PRODUCTION COEFFICIENTS PER ACRE AT VARYING CATTLE GRAZING INTENSITIES (CURRENT LEVEL OF MANAGEMENT INTENSIFICATION) TIMBER CLASS -(20)-tm) (-1O)-O 0-10 10-20 20-30 30J10 110-50 50-60 60-70 70-80 80-90 90-100 100-110 110-120 120-130 130-140 1110-150 150-160 160-170 170-180 180-190 190-200 200-210 210-220 220-230 NO CATTLE GRAZING SALMONID ESCAPEMENT POTENTIAL .1300 .1300 .1070 .1300 .1530 .1530 .1530 .1070 .1300 .1530 .1530 .1530 .1530 .1530 .1530 .1530 .1070 .1300 .1530 .1530 .1530 .1530 .1530 .1530 .1530 LIGHT CATTLE GRAZING MODERATE CATTLE GRAZING HEAVY CATTLE GRAZING SALIIOtIID ESCAPEMENT POTENTIAL SALMONID POTENTIAL ESCAPEMENT SALMONID ESCAPEMENT POTENTIAL .1300 .1300 .1070 .1300 .1530 .1530 .1530 .1070 .1300 .1530 .1530 .1530 .1530 .1530 .1530 .1530 .1070 .1300 .1530 .1530 .1530 .1530 .1530 .1530 .1530 .1170 .1170 .0960 .1170 .1380 .1380 .1380 .0960 .1170 .1380 .1380 .1380 .1380 .1380 .1380 .1380 .0960 .1170 .1380 .1380 .1380 .1380 .1380 .1380 .1380 .10110 .10110 .0860 .10110 .1122 .1122 .1122 .0860 .10110 .1122 .1122 .1122 .1122 .1122 .1122 .1122 .0860 .1040 .1122 .1122 .1122 .1122 .1122 .1122 .1122 TABLE '1.6 STUDY AREA DEER PRODUCTION COEFFICIENTS PER ACRE AT VARYING CATTLE GRAZING INTENSITIES (BEIJTER KY AL. TARGET A OR BEUTEII KY AL. TARGET B) (LEVEl. OF MANAGEMENT INTENSIFICATION) TINBER NO CATTLE GRAZING LIGHT CATTLE GRAZING AGE CLASS DEER GRAZING POTENTIAL DEER GRAZING POTENTIAL -(20)-tm) (-10)-b 0-10 10-20 20-30 30110 110-50 .0156 .0156 .0156 .0156 .01169 .1253 .1253 .0886 .0886 MODERATE CATTLE GRAZING DEER GRAZING POTENTIAL HEAVY CATTLE GRAZING DEER GRAZING .0156 .0156 .0156 .0156 .01169 .01169 .01169 .1253 .1253 .0886 .0886 .063I .1253 .1253 .0886 .0886 .1253 .1253 .0886 .0886 .06311 .063's .063's .06311 .011117 .011117 .011117 .011117 .011117 .011117 .011117 .011117 .0313 .0313 .0313 .02311 .02311 .02311 .0313 .023I .02311 .02311 .02311 .02311 .02311 .02311 .02311 .02311 .023's .02311 .0234 .02311 .02311 .02311 .02311 .02311 .02311 .02311 .02311 .02311 .02311 .02311 .02311 .02311 .02311 .0234 .02311 .02311 .02311 .023I1 50-60 60-70 70-80 80-90 90-100 100-110 110-120 120-130 1301110 1l0-15O 150-160 160-17o 110-180 180-190 190-200 200-210 .06311 .06311 .02311 .02311 .02311 .02311 .02311 .0234 .02311 2 10-220 .0234 .02311 .02311 220-230 .02311 .02311 .02311 .0234 .0234 .06311 .02311 .02311 .02311 POTENTIAL TABLE 4.7 STUDT AREA ELK PRODUCTION COEFFICIENTS PER ACRE AT VAluING CATTLE GRAZING INTENSITIES (BEUTER ET AL TARGET A Oh BEUTER ET AL. TARGET B) (LEVEL 0? I4ANAGEIIENT INTENSIFICATION) TIKUER AGE CLASS -(2o)-(1O) (-10)-0 0-10 10-20 20-30 30-40 110_50 50-60 60-70 70-80 80-90 90-100 100-110 110-120 120-130 130_lab 1bb0150 150-160 160-170 170-180 180-190 190-200 200-210 210-220 220-230 NO CATTLE GRAZING ELK GRAZING .0100 .0100 .0030 .0310 .0230 .0230 .0195 .0195 .0175 .0175 .0130 .0100 .0100 .0100 .0100 .0100 .0100 .0100 .0100 .0100 .0100 .0100 .0100 .0100 .0100 POTENTIAL LIGHT CATTLE GRAZING EK GRAZING .0070 .0070 .0021 .0022 .0161 .0161 .0136 .0136 .0122 .0122 .0091 .0010 .0010 .0070 .0070 .0070 .0070 .0010 .0070 .0070 .0010 .0070 .0010 .0010 .0010 POTENTIAL HODERATE CATTLE GRAZING ELK GRAZING .0050 .0050 .0015 .0016 .0120 .0120 .0099 .0099 .0088 .0088 .0065 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 POTENTIAL IIEAVV CATTLE GRAZING ELK GRAZING .0050 .0050 .0015 .0016 .0120 .0120 .0099 .0099 .0088 .0080 .0065 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 POTENTIAL TABLE 11.8 STUD! AREA CATTLE GRAZING PRODUCTION COEFFICIENTS PER ACRE AT VAI1T1NO CATTLE GRAZING INTENSITIES (NEUTER ET AL. TARGET A OR NEUTER ET AL. TARGET a) (LEVEL OF MANAGEMENT INTENSIFICATION) TIMBER AGE CLASS -(2o)-(lo) (-10)-u 0-10 NO CATTLE GRAZING CATTLE GRAZING POTENTIAL 0 0 0 LIGHT CATTLE GRAZING CATTLE GRAZING .01168 .02311 .01168 .01168 0 30-110 0 .00118 110-50 0 50-60 60-70 70-80 80-90 90-100 100-110 110-120 120-130 0 0 0 0 0 0 0 0 0 .0025 .0025 .0025 .0025 .0025 0 0 CATTLE GRAZING POTENTIAL .02311 .02311 .00118 150-160 160-170 110-180 180-190 190-200 200-210 210-220 220-230 CATTLE GRAZING POTENTIAL .01168 0 0 HEAVY CATTLE GRAZING .02311 10-20 20-30 130-1110 1'10-150 POTENTIAL MODERATE CATTLE GRAZING .00110 .00110 .00110 .00110 .00110 .00110 .00II0 .00110 0 0 0 0 0 .00110 0 .00110 .00110 .00110 .00110 .00110 .0097 .0097 .0050 .0050 .0050 .0050 .0050 .0080 .0080 .0080 .0080 .0060 .0080 .0080 .0080 .0080 .0080 .0080 .0080 .0080 .0080 .0730 .0730 .0730 .0730 .Ol'i6 .01116 .0075 .0075 .0075 .0075 .0075 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0120 TABLE 11.9 SAL}IONID PRODUCTION POTENTIALS PER ACRE AT VARYING CATTLE GRAZING INTENSiTIES (iiEuTcn ET AL. TARGET A OR BEUTER El AL. TARGET 0) (LEVEL OF MANAGEMENT INTENSIFICATION) TIMBER NO CATTLE GRAZING SALIIONID AGE CLASS -(20)-(1o) (-lo)-O 0-10 10-20 20-30 30-40 110-50 50-60 60-70 70-80 80-90 90-100 100-110 110-120 120-130 1301110 1110-150 150-160 160-170 170-180 180-190 190-200 200-210 210-220 220-230 ESCAPEMENT POTENTIAL .IOO .1300 .1070 .1300 .1530 .1530 .1530 .1070 .1300 .1530 .1530 .1530 .1530 .1530 .1530 .1530 .1Q70 .1300 .1530 .1530 .1530 .1530 .1530 .1530 .1530 LIGHT CATTLE GRAZING SALHONID ESCAPEMENT POTENTIAL MODERATE CATTLE GRAZING $ALNONID ESCAPEMENT POTENTIAL .1300 .1300 .1070 .1300 .1530 .1530 .1530 .1070 .1300 .1530 .1530 .1530 .1530 .1530 .1530 .1530 .1070 .1300 .1530 .1530 .1530 .1530 .1530 .1530 .1530 .1170 .1170 .0960 .1170 .1380 .1380 .1380 .0960 .1170 .1380 .1380 .1380 .1380 .1380 .1380 .1380 .0960 .1170 .1380 .1360 .1380 .1380 .1380 .1380 .1380 HEAVY CATTLE GRAZING SALMONID ESCAPEMENT POTENTIAL .10110 .10110 .0860 .10110 .1122 .1122 .1122 .0860 .10110 .1122 .1122 .1122 .1122 .1122 .1122 .1122 .0860 .1OIIO .1122 .1122 .1122 .1122 .1122 .1122 .1122 81 Beuter et al. Target A or the Beuter et al. Target B level of management intensification. Appendix (See A for discussion of these levels.) The resource joint production coefficients reported in Tables acre identify the expected resource levels per study area of alternative acreage levels of for any given age management class intensification. at For example, for each 100 acres of the study area in the 60-70 year timber age class, Tables !I..2IL5 indicate that at the current of management level potential (resource intensification production adversely impact timber or level the which grazing does for deer forage resources) not is 5.L7 animals at all levels of cattle grazing intensities. The grazing- potential for elk is 1.75 animals at the no level of cattle grazing intensity. The grazing potential for cattLe grazing fish is 0.22 animals at the intensity. available fish 11.70 intensity at and for escapement potential The spawning moderate the 10.10 light level of cattle fish at purposes) level the for of heavy (number of salmonids is cattle level of grazing cattle grazing intensity. For each 100 acres of the study area in the 60-70 year timber age class, Tables 14.6LI.g indicate that at the Beuter et al. Target and Beuter et al. Target B levels of management intensification the grazing potential for deer is animals intensities. at all levels The grazing potential for of cattle elk is grazing 1.75 animals 82 at the level of cattle grazing riO intensity. The grazing potential for cattle is 2.5 animals at the light level of cattle grazing salmonids grazing is intensity. 11.70 intensity fish and The at 10.kO escapement potential for moderate level of cattle the fish at the heavy level of cattle grazing intensity. The joint production relationships estimated in this chapter identify production levels the of expected deer, elk, study area cattle resource grazing and salmonids per acre for any given age class at alternative forest management and cattle grazing intensification. next - chapter considers the allocations of study The area resources for seven strategies of mutltiple use management. 83 V. ALLOCATION OF MULTIPLE USE RESOURCES CF THE UPPER MIDDLE DRIFT CREEK WATERSHED: A Case Study Introduc t ion In the development of the analytical framework, it was intended that should it management area or region. the analytical approach applicable be is As a any to forest test of operationality, applied the allocation to seven multiple use resources of the upper middle portion of the Drift Creek Watershed. chapter is resource The objective of the present to determine and evaluate allocations of deer, the joint production elk, cattle grazing, salmonids, timber, bald eagle and spotted owl pairs for the study area. The chapter is presented in six parts. The first section describes the forest management model used in the analysis. The second portion discusses the analysis methodology and the seven strategies of study area multiple use manaement considered. multiple use resources and management. valuation allocations. income output levels strategies The of fourth the The impacts allocatjo.s. The third estimated of section alternative alternative for multiple study the study reviews the use discusses fifth part reviews of part, the area the selected resource economic resource employment and area resource The sixth and final portion of the chapter 84 summarizes the physical and economic impacts of alternative allocations of the considered resources of the Upper Middle Drift Creek Watershed. Forest Manaement Models Numerous quantitative models have been developed and employed to estimate future harvest volumes and the ensuing effects on forest inventories of forested areas or regions (ARVOL 1971), (Chappelle, MUSYC MAXMILLION 1966), 1980), (Johnson and Jones, SIMAC 1971, (Navon, Tedder, et al., 1975), 1980)). TREES (Beuter, et land considered resources even in the Timber al., 1976; The effects of alternative forest management strategies and harvest policies forest (Sussaman, 1966), I-bit and Bergsvick, 1972), SORAC (Chappeile, RAM Cutler, and (Ware are on non-timber estimated not or comprehensive most directly quantitative formulation. In contrast to previous analyses, this study attempts to simultaneously effects of harvest polices multiple use estimate alternative on an resources. physical the forest array management of and programs National Non-timber economic resource Forest and land production parameters are combined with timber inventory and harvest volume data to project the joint alternative management activities, production impacts of management intensities and harvest policies on the timber, cattle grazing, deer, 85 elk, and salmonid fishery resources of the upper middle portion of the Drift Creek Watershed. TREES: A Brief Description Of the numerous forest management inode.s capable of producing timber inventory and harvest data, TREES (Timber Resource Economic Estimation research utilization because and general System) of its comprehensiveness. was selected for relative flexibility Developed by Norman K. Johnson, H. Lynn Scheurman, and John H. Beuter to provide a means of answering questions about future timber harvests in Oregon and resulting impacts (Beuter, al., et 1976), TREES can respond to a diverse array of management problems at reasonable cost a from the national local-woodlot to level (Tedder, et al., 1980). Within the TREES framework, managed as either even-aged forest stands may or uneven-aged units. be Stand growth and yield information is user specified and a user can select from three options to calculate periodic volume yields for additional after unthinned options thinning. to even-aged stands calculate even-aged Uneven-aged periodic from and stand three growth volume yields are determined from a diameter growth algorithm. Users can select from three harvest priority schedules and from seven basic harvesting fixed (absolute amount, percent scheduling methods: three of inventory, and area control) and four variable (even-flow of volume, even-flow 86 of a function of volume, present net benefit, and present net worth). During a simulation, a fixed scheduling method switched to variable a scheduling method. may be Individual stands may be kept separate to demonstrate growth and yield changes resulting from specific management strategies and harvest policies. inventory Acres may be shifted into and out of the (land-base changes) from and management one intensity level to another to simulate urban encroachment, wildlife fisheries and construction, standards or may other habitat activities. changed be management, over Volume time road utilization to reflect of two altered technological and economic conditions. TREES A activities. simulation run consists The first, the processing and storage of is inventory and control data. of processed perform data and harvest TREES run include: The second, is the utilization harvest scheduling simulation reports. operational scheduling information calculations and to prepare The possible reports provided by a An Allowable Cut Table for each period (of the simulation run length), a Cut-Proportion Table for each period, an Inventory Report each for period, A Regeneration/Cultural Treatment Report for each period, and a Total Harvest/Economic Report. For even-aged stands, TREES provides a full accounting of management harvest cost and revenues in current dollars or in dollars discounted according to a user specified 87 discount rate (harvest economic data currently not is produced for uneven-aged stands). TREES: O'rationa1izing data Users establish specifying wide a information. beginning variety timber inventories management of growth and Acres and volumes per acre are entered by specifying stand management method, site class, type, management species Table 5.1 by type, presents age class and land-base intensity. the management and growth information obtained from the Siuslaw National Forest headquarters for the study area. Tables 5.2 and define 5.3 the acreage inventory distributions for the grouped resource units used in TREES simulation runs. Information regarding management intensity assumptions of the TREES model and regeneration and cultural treatment costs used TREES in analyses is contained in Appendices A and D. Analysis Methodology and Simulation Runs Seven timber inventory and harvest volume data bases, generated by the TREES model, were combined with multiple use resource joint production coefficients to project seven alternative resources. allocations The of purpose study of area selecting multiple these use seven simulations runs was to compare results based on different harvest policies, management intensities and forest TABLE 5.1 UPPER MIDDLE DRIFT CREEk INVENTOR! DATA Plot No. Species Age Class Other Owners Acres Marginal Acres C C OIl 066 10 200 $66 C I69 C C 08 08 09 6110 1170 062 C 10 068 C-Plant C-Plant 03 I7I Alder 13 lillO 067 Mixed 15 80 11110 1,160 1,120 063 1162 TOTAL 2110 360 2110 80 03 Site Class Stocking Level Management Intensity Volume Acres Cu. FL/Acre 1 1 5 1013 567.6 1 2 3 3110 11,120.1 2 2 2 2 2 3 596 1 11 160 5,113.2 8,058.1 1 11 857 11,1168.0 3 3 6110 11,525.7 2 1 3 720 2 2 5 2110 0.0 39.8 2 2 2 260 11,0118.3 2 3 2 787 6,1117.7 TOTAL STUD! ACRES 5,613 7,893 89 TABLE 5.2 ACREAGE INVENTOR! DISTRIBUTIONS DRIFT 1 11110101 (GRU) 2140 Marg. A. 3140 Beg. A. (A.C. 10) (A.C. 10) 200 Other Owner A. 1013 Beg. A. (A.C. 10) (A.C. 01$) 2140 Marg. A. 200 Other Owner A. 1353 Beg. A. 11110102 360 80 2140 596 6140 720 2140 787 80 160 857 Marg. A. (A.C. 09) Marg. A. (A.C. 03) Other Owner A. (A.C. 03) Beg. A. (A.C. 08) Other Owner A. (A.C. 08) Beg. A. (A.C. 03) Beg. A. (A.C. 03) Reg. A. (A.C. 15) Other Owner A. (A.C. 15) Beg. A. (A.C. 08) Beg. A. (A.C. 09) 14140 Marg. A. 960 Other Owner A. 14,000 Beg. A. 11110152 41$O Marg. A. (A.C. 13) 260 Beg. A. (A.C. 13) 14140 Marg. A. 260 Beg. A. Total Mar. A. Total Other Owner A. Total Beg. A. 1,120 1,160 5,613 Total Study Area Acres 7,893 "Abbrevjations: GRU Marg. A - Other Owner A - Other Objective A Beg. A - A.C. - Grouped Resource Unit - collection of Basic Resource Units (OBUs). Sufficiently siiliar with respect to manageeent, growth, and yield to be considered as a single unit. Marginal acres - acres incapable of producing 20 cubic feet of tree growth per acre per year. Acres not owned by the Forest Service at the start of the simulation but identified for acquisition. Acres devoted to non-tisber production objective. Regular acres acres currently sanaged for tisber production. Age Class 90 TABLE 5.3 ACREAGE INVENTOR! DISTRIBUTIONS DRIFT 2 11110101 240 20 50 290 200 993 (GRU) Marg. A. (k.C. 10) Other Objective A (A.C. 04) Other Objective A (A.C. 10) Beg. A. (A.C. 10) Other Owner A (A.C. 10) (A.C. 04) Beg. A. 240 70 200 1283 11110102 360 40 556 640 160 657 Marg. A. Other Objective A. Other Owner A. Beg. A. Marg. A. (A.C. 09) Other Objective A.(A.C. 08) (A.C. 08) Beg. A. Other Owner A. (A.C. 08) Beg. A. (A.C. 08) Beg. A. (A.C. 09) 360 Marg. A. 40 Other Objective A. 640 Other Owner A. 2213 Beg. A. 111 10122 80 720 240 240 Marg. A. Beg. A. Other Owner A. Beg. A. (A.C. (A.C. (A.C. (A.C. 03) 03) 03) 03) 80 Marg. A 240 Other Owner A 960 keg. A. 11110126 300 Other Objective A. (A.C. 15) 487 Reg. A. (A.C. 15) 80 Other Owner A (A.C. 15) - 300 Other Objective A. 80 Other Owner A '487 Beg. A. 11110152 440 Marg. A 260 Beg. A. (A.C. 13) (A.C. 13) 440 Marg. A 260 Beg. A. Total Total Total Total Mar. A. Other Objective Other Owner A. Beg. A. 1,120 '410 1,160 5,203 Total Study Area Acres 7,893 1Abbreviations: - Grouped Resource Unit - collection of Basic Resource Units (GRUs). sufficiently sisiliar with respect to management, growth, and yield to be considered as a single unit. - Marginal acres - acres incapable of Marg. A producing 20 cubic feet of tree growth per acre per year. - Acres not owned by the Forest Service Other Owner A at the start of the simulation but identified for acquisition. Other Objective A - Acres devoted to non-timber production objective. - Regular acres - acres currently managed Beg. A for timber production. A.C. - Age Class GRU 91 managemeni; programs. The resource production levels of each simulation run reflect the adoption of particular a rotation length, harvest policy, management intensity and program of forest management. considered in the analysis simulation The runs are described in the following paragraphs. Runi illustrates the status quo projection (no-action allocation alternative). No adjustments are made producing inventory during The even-f1ow of volume 100-year rotation period. the harvest schedule area timber harvests. 95 years and no changes method is employed to Thinning occurs at 75 and are intensification during illustrates the sustained yield made planning the the to in management period. management of Run the 1 Upper Middle Drift Creek Watershed at a low level of management intensification. While providing a legislatively required and useful base-run solution, study area Forest acreage Service Run expansion riparian 1 assumptions contradict plans and and wildlife violate habitat current management policies and practices. Run2 is an adjustment of the status quo projection. The study area acreage is adjusted existing Forest Service acreage Forest Service prescriptions. riparian and in expansion wildlife Study area acreage is accordance with plans and current habitat enlarged management by 1,160 acres, riparian and wildlife habitat is withdrawn at a rate of five chains per mile of stream mileage supportive of 92 anadromous fishery species, older growth acres per bald 14Q eagle nesting site and 300 older growth acres per pair of spotted owls (Hebo, FEIS, Area timber 78, 212). 1978 pp. harvest are scheduled using the even-flow of volume method. Regular acres are managed at existing the level of management intensification for the first three periods and at the Beuter al. et study Target A levels for the remaining seven periods of the 10-period planning horizon. Run illustrates .2 management of timber and the intensified sustained yield the Upper Middle Drift Creek Watershed for wildlife and fisheries habitat protection inventory projection purposes. Run 3 is disaggregated a utilizing the same assumptions as Run 2 with the exception that proportional wildlife acreage protection withdrawals purposes for replaced are riparian and acreage with withdrawals from stand inventories representative of actual riparian, bald eagle, and spotted owl habitat locations. Run aggregated is a projection Run 3 with the which is exception the same as that less timber producing acreage is shifted to other objectives. Run an I presumes that upwards of 80 percent of riparian and nonspotted adversely (Everest, owl conifer impacting 1975, 1978). habitat can wildlife Runs and 3 and be harvested fishery without resources were generated to demonstrate the locational capabilities of the TREES system 93 and the possible impacts intensified of wildlife and fisheries habitat management programs. Run 5 is a projection which uses the same assumptions as Run in with the exception that regular acres are managed accordance with the management intensities. Beuter et study al. Target B Run 5 was generated to illustrate the study area effects of timber management at a high level of management intensification. Run 6 employs the same assumptions as Run 5 with the exception that rotation the length changed is from 100 years to 80 years. Run 7 also utilizes the same assumptions as Run 5 with the exception harvest that the scheduling is even flow replaced by volume of the method absolute of amount method of harvest scheduling for the first three periods of the 10-period planning horizon (target harvest levels 25 percent greater the evenflow of volume values of Run specified for the first three periods). generated to demonstrate are Runs 6 and 7 were effects the 5 management of decisions to shorten forest rotations and to deviate from sustained-yield harvest policy for local area a employment and income considerations (NFMA, 1976 Sec. 219.10). Tables 5.4-5.10 present the harvest volumes and timber inventory data bases for Runs 5.13 present coefficients the that multiple were through 7. 1 use combined resource with Tables 5.11- production simulation timber inventory data to project study area grazing potentials for TABLE 5.11 AVERAGE AGE CLASS DISTRIBUTIONS AND HARVEST VOLUMES PER PLANNING HORIZON DECADE-PERIOD RUN 1 1981 1991 2001 2011 2021 2051 2061 2071 2112.2 238.0 2118.5 2115.7 379.8 3011.7 38'I.6 269.7 379.8 3011.7 380.1 1152.0 3211.9 1152.0 3211.9 379.8 3811.6 3011.7 2031 20111 333.2 276.5 3211.9 1152.0 3211.9 AGE CLASS ACREAGE 3 10110 769.2 1* 1013 10110.0 301.7 898.5 1013.0 10110.0 182.0 380.1 898.5 1013.0 1OlO.O 380.1 898.5 1013.0 10110.0 898.5 380.1 1013.0 10110.0 898.5 1Oi0.0 898.5 1013.0 10110.0 380.1 898.5 1013.0 10110.0 898.5 1013.0 10110.0 5 6 7 8 9 10 756 1217 1220 11 12 13 756.0 1217.0 1220.0 756.0 1217.0 1016.8 700 756.0 1217.0 756.0 806.11 1217.0 330.3 678.0 111 15 16 17 18 19 1013.0 787 11110.0 39.8 756.0 862.0 290.0 11110.0 380.1 1152.0 3211.9 1152.1 3211.9 380.1 963.0 756.0 516.5 290.0 11110.0 612.0 360.0 290.0 11110.0 216.9 360.0 290.0 11110.0 20 21 360.0 290.0 11110.0 11110.0 22 TOTAL 379.8 11110.0 6733 6733 6733 6733 6733 6733 6733 6733 6733 6733 HARVEST VOLUMES IVIP CUBIC 1*1 SCRIBNER 11.96 2I.75 '1.96 11.96 11.96 25.116 26.12 27.55 11.96 25.311 11.96 211.75 11.96 211.75 '1.96 11.96 26.69 29.76 '1.96 29.76 TABLE 5.5 AVERAGE AGE CLASS DISTRIBUTIONS AND HARVEST VOLUMES PER PLANNING HORIZON DECADE-PERIOD RUN 2 1981 1991 2001 1160 1013 696.8 1280.0 1013.0 284.3 149.5 1280.0 1013.0 2011 2021 2031 20'Il 2051 2061 2071 263.8 408.3 341.2 401.0 292.8 342.5 430.5 336.2 3119.9 1157.4 1177.4 440.1 l'19.5 1108.3 401.0 '157.11 430.5 1117.11 1280.0 1013.0 749.5 1108.3 7119.5 401.0 1157.4 1101.0 430.5 457.4 337.5 465.1 440.1 477.4 1108.3 7119.5 1101.0 AGE CLASS ACREAGE 3 4 5 6 7 8 1076 1217 1320 9 10 1396.0 1217.0 11120.0 11 12 1396.0 1217.0 1105.0 700 13 lIt 1396.0 1217.0 739.2 678.0 827 15 16 1280.0 1013.0 1396.0 1005.8 4911.0 656.0 1396.0 618.8 49l1.0- 6311.0 192.2 18 1280.0 1013.0 1038.9 517.7 1194.0 612.0 192.2 17 1280.0 1013.0 1108.3 7119.5 589.8 517.7 494.0 590.0 192.2 19 1280.0 1013.0 198.0 517.7 11911.0 568.0 192.2 20 408.3 749.5 1280.0 1013.0 1280.0 542.3 198.0 517.7 119I.0 5211.0 192.2 22 23 192.2 502.0. 192.2 24 TOTAL '108.3 7119.5 5116.0 192.2 21 1130.5 1157.4 1101.0 7313 HARVEST VOLUMES MMF CUBIC MM SCRIRNER '1.96 2I.75 7893 11.96 26.511 7893 7893 7893 7893 7893 7893 7893 192.2 7893 '1.96 11.96 11.96 '1.96 l.96 8.96 '1.96 '1.96 26.86 26.83 24.75 24.75 24.75 24.911 29.76 29.76 TABLE 5.6 AVERAGE AGE CLASS DISTRIBUTIONS AND HARVEST VOLUMES PER PLANNING HORIZON DECADE-PERIOD RUN 3 1981 1991 1160 1013 610.6 1280.0 1013.0 2011 2021 2031 20li1 2051 2061 2071 195.0 172.5 285.2 232.7 6811.9 259.1 285.0375.2 6811.9 259.3 1280.0 1013.0 6811.9 203.3 310.5 375.2 285.0 259.3 187.2 273.8 310.5 375.2 285.0 259.3 232.0 277.7 273.8 310.5 375.2 285.0 259.3 218.0 316.2 277.7 273.8 310.5 375.2 285.0 259.3 2001 AGE CLASS ACREAGE 3 '1 5 6 1280,0 1013.0 7 8 9 10 1076 1217 1320 11 12 13 1396.0 1217.0 1075.3 700 1396.0 1217.0 860.3 678.0 lii 15 16 17 18 19 1396,0 1217.0 1282.6 1280.0 1013.0 1396.0 1217.0 11811.8 656.0 827 1115.8 285.0 259.3 6811.9 1280.0 1013.0 6811.9 1280.0 1013.0 992.11 1108.7 1396.0 733.3 l08.7 612.0 1197.5 1108.7 11011.8 1188.3 '108.7 568.0 375.8 375.8 20 5211.0 502.0 375.8 22 23 375.8 211 TOTAL 8211.6 '$88.3 1108.7 5116.0 375.8 21 6811.9 1280.0 1013.0 1396.0 590.0 375.8 6811.9 1280.0 1013.0 1396.0 6311.0 375.8 6811.9 1280.0 1013.0 7313 7893 7893 7893 7893 7893 7893 7893 7893 375.8 7893 HARVEST V OLU H ES MMF CUBIC tIN SCRIBNER 3.72 18.56 3.72 19.53 3.72 19.71 3.72 20.82 3.72 19.07 3.72 18.56 3.72 18.56 3.72 18.72 3.72 22.26 3.72 22.32 TABLE 5.7 AVERAGE AGE CLASS DISTRIBUTIONS AND HARVEST VOLUMES PER PLANNING HORIZON DECADE-PERIOD RUN 1981 1991 2001 2011 2021 1160 1013 650.0 1280.0 1013.0 205.0 722.9 1280.0 1013.0 172.5 270.1 772.9 1280.0 1013.0 285.2 311.2 270.1 772.9 1280.0 1013.0 11 2031 20111 2051 2061 2071 232.7 203.3 332.1 187.2 293.5 332.1 232.0 251.5 293.5 332.1 218.0 336.6 251.5 293.5 332.1 AGE CLASS ACREAGE 3 11 5 6 7 8 9 10 1076 1217 1320 11 12 13 1396.0 1217.0 1093.1 700 1396.0 1217.0 877.5 678.0 iii 15 16 17 18 19 1396.0 1217.0 1299.0 360.0 311.2 270.1 772.9 1280.0 1013.0 1396.0 1217.0 1396.0 1175.6 10117.8 656.0 827 1109.7 309.6 6311.0 1109.7 311.2 270.1 772.9 1280.0 1013.0 1396.0 767.1 309.6 612.0 310.0 310.0 310.0 1396.0 511.7 309.6 1109.7 311.2 270.1 772.9 1280.0 1013.0 1257.1 376.3 309.6 568.0 1109.7 311.2 270.1 772.9 1280.0 1013.0 956.5 376.3 309.6 5116.0 310.0 310.0 21 5211.0 310.0 22 23 24 HARVEST VOLUMES MMF CUBIC MM SCRIBNER 311.2 270.1 172.9 1280.0 1013.0 590.0 20 TOTAL I109.7 502.0 310.0 7313 7893 1893 1893 11.03 11.03 11.03 11.03 20.11 21.10 21.29 22.58 7893 U.0 21.25 7893 7893 11.03 11.03 20.11 20.11 7893 11.03 22.110 7893 11.03 211.11 310.0 7893 11.03 211.18 TABLE 5.8 AVERAGE AGE CLASS DISTRIBUTIONS AND HARVEST VOLUMES PER PLANNING HORIZON DECADE-PERIOD RUN 5 1981 1991 2001 1160 1013 22.0 1280.0 1013.0 163.0 82.3 1280.0 1013.0 2011 2021 2031 20111 2051 2061 2071 397.2 353.1 538.7 317.11 3011.1 276.1 285.1 1179.111138.6 3-8-9.2 275.11 3911.1 323.11 538.7 1179.11 Il12.9 '$38.6 82.3 1280.0 1013.0 323.11 538.7 1179.11 1112.9 1138.6 82.3 1280.0 1013.0 323.11 538.7 1179.11 1112.9 1138.l 82.3 1280.0 1013.0 323.11 538.7 1179.11 82.3 1280.0 1013.0 323.11 538.7 82.3 1280.0 1013.0 323.11 AGE CLASS AC RE AGE 3 11 5 6 7 8 9 10 1076 1217 1320 1396.0 1217.0 11120.0 11 11120.0 12 13 82.3 1280.0 1013.0 1396.0 1217.0 12110.1 700 678.0 111 15 16 1396.0 1217.0 323.11 1396.0 1217.0 757.5 656.0 827 1396.0 3115.8 8119.9 1396.0 309.6 1187.0 6311.0 867.0 612.0 665.7 17 18 19 1396.0 1217.0 309.6 590.0 310.0 568.0 310.0 310.0 20 1130.5 376.3 309.6 768.1 376.3 309.6 5211.0 502.0 310.0 22 23 310.0 211 TOTAL 82.3 1280.0 1013.0 5116.0 310.0 21 389.2 7313 7893 7893 7893 7893 7893 7893 7893 7893 310.0 7893 HARVEST VOL U PIES PIHF CUBIC till SCRIBNER 'i.68 '4.26 '1.26 11.26 '4.26 15.77 20.73 2I.93 23.67 23.66 11.26 21.111 11.26 11.26 11.26 '1.26 23.85 211.26 211.70 25.113 TABLE 5.9 AVERAGE AGE CLASS DISTRIBUTIONS AND HARVEST VOLUMES PER PLANNING HORIZON DECADEPERIOD HUN 6 1981 1991 2001 1160 1013 22.0 1280.0 1013.0 170.2 85.5 1280.0 1013.0 2011 2021 AGE CLASS ACREAGE 3 5 6 7 8 9 10 1076 1217 1320 11 12 13 1396.0 1217.0 1420.0 100 333.9 85.5 1280.0 1013.0 1396.0 1217.0 1220.1 678.0 lii 15 1396.0 1217.0 1420.0 '103.5 827 1396.0 1217.0 738.9 656.0 861.0 16 17 18 19 358.7 548.0 333.9 85.5 1280.0 1013.0 2031 20l1 2051 322.3 481.7 311.1 'i'16.4 280.3 I22.2 5'18.O 1187.7 11116.11 333.9 85.5 1280.0 1013.0 548.0 333.9 85.5 1280.0 1013.0 1187.7 1396.0 1217.0 309.6 6311.0 1396.0 803.8 309.6 612.0 655.3 310.0 1396.0 11311.4 309.6 590.0 310.0 20 568.0 310.0 21 546.0 310.0 22 23 24 TOTAL 548.0 333.9 85.5 1280.0 1013.0 310.0 7313 7893 7893 7893 7893 7893 7893 7893 lIAR V EST VOLUMES MMF CUBIC '1.68 MM SCRIRNER 15.77 4.311 4.311 11.311 11.311 11.34 21.12 25.32 211.10 2l1.09 21.56 I.34 211.28 4.311 24.60 TABLE 5.10 AVERAGE AGE CLASS DISTRIBUTIONS AND HARVEST VOLUMES PER PLANNING HORIZON DECADE-PERIOD RUN 7 1981 1991 2001 1160 1013 235.1 1280.0 1013 0 261.3 338.0 1280 0 1013.0 2011 2021 2031 20111 2051. 2061 2071 1166.5 1152.2 32I1.4 311.8 251.6 156.11 11118.3 1109.9 223.6 337.9 205.11 596.2 338 0 1280.0 1013.0 1452 2 596 2 11118 3 1409 9 302.6 337 9 338.0 1280.0 1013.0 1452.2 596.2 11118.3 1109.9 262.9 302 6 337.9 338.0 1280.0 1013.0 l52.2 596.2 11118.3 1109.9 338.0 1280.0 1013.0 1452.2 596.2 11148.3 AGE CLASS AC RE AGE 3 II 5 6 7 8 9 10 11 12 13 1076 1217 1320 11120.0 1396.0 1217.0 11120.0 700 1396.0 1217.0 786.3 678.0 lii 15 16 17 18 19 1396.0 1217.0 1396.0 1217.0 1396.0 3511.2 8117.9 656.0 827 653.9 309.6 6311.0 1396.0 520.2 309.6 612.0 311.7 310.0 338.0 1280.0 1013.0 1252.0 376.3 309.6 590.0 989.6 376.3 309.6 568.0 310.0 310.0 20 596.2 1152.2 338.0 338.0 1280.0 1013.0. 1280.0 1013.0 1152.2 5146.0 310.0 21 5211.0 502.0 310.0 22 23 310..0 2'l TOTAL 797.7 376.3 309.6 7313 7893 7893 7893 7893 7893 7893 7893 7893 310.0 7893 HARVEST VOLUMES I*IF CUBIC MM SCRIBNEH 6.08 22.77 5.33 26.05 5.11 3.90 28.110 21.65 3.90 19.60 3.51 17.28 3.16 16.63 2.84 16.00 2.27 13.10 1.59 9.I13 TABLE 5.41 RESOURCE PRODUCTION COEFFICIENTS PER ACRE (CURRENT MANAGEMENT PRESCRIPTIONS) AGE Cu ft CLASS TIMBER 1 3 14 5 6 7 8 9 0 100 4000 3333 11676 6188 80311 9715 10 11558 11 12 DEER 0 .0456 0 .01169 0 0 .1172 .1172 .0813 .0813 .05117 .05117 .0'4'17 131110 151111 .014147 13 16775 26028 26028 26028 26028 .02311 .02314 .02311 .02311 .02311 .02311 .02311 .02314 .02314 .02311 .02311 211 26028 .02311 lii 181166 15 20328 16 22008 17 23706 18 211387 19 26028 20 24 22 23 CATTLE .O15 .0313 Production ooeffioient 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ELK .0100 GRAZING FISHERY .1300 -O--1oO.13OO .0030 .0310 .0230 .0230 .0195 .0195 .0175 .0175 .0130 .010 .010 .010 .010 .010 .040 .010 .010 .010 .010 .010 .010 .010 .1070 .1300 .1530 .1530 .1530 .1070 .1300 .1530 .1530 .1530 .1530 .1530 .1530 .1530 .4070 .1300 .1530 .1530 .1530 .1530 .1530 .4530 MODERATE CATTLE GRAZING LIGHT GRAZING CATTLE NO CATTLE CATTLE .O23 ELK FISHERY .0070 .1300 .1300 .1070 .1300 .4530 .1530 .1530 .1070 .1300 .1530 .1530 .1530 .4530 .1530 .1530 .1530 .1070 .1300 .1530 .1530 .1530 .1530 .1530 .1530 .O2311.0070 .02314 .02311 .001114 .001111 .0022 .0022 .0022 .0022 .003 .003 .003 .003 .003 .003 .003 .003 .003 .003 .003 .003 .003 .003 .0021 .0022 .0461 .0161 .0136 .0136 .0122 .0122 .0091 .0070 .0070 .0010 .0070 .0070 .0070 .0070 .0070 .0010 .0070 .0070 .0070 .0070 CATTLE .o'1 .01166 .01168 .01168 .0087 .0087 .00115 .00115 .00145 .00115 .0060 .0060 .0060 .0060 .0060 .0060 .0060 .0060 .0060 .0060 .0060 .0060 .0060 .0060 for deer, elk, and cattle are grazing potentiala per year. Production coefficients for ealmonid fisheries are escapement potentials per year. ELK .005 .005 .0015 .0016 .0420 .0120 .0099 .0099 .0088 .0088 .0065 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 HEAVY GRAZING CATTLE FISHER! CATTLE .1170 .1170 .0960 .1170 ,1380 .1380 .1380 .0960 .4170 .1380 .4380 .1380 .1380 .1380 .1380 .4380 .0960 .1170 .1380 .1380 .1380 .1380 .1380 .1380 .0730 .0730 .0730 .0730 .0130 .0130 .0068 .0068 .0068 .0068 .0090 .0090 .0090 .0090 .0090 .0090 .0090 .0090 .0090 .0090 .0090 .0090 .0090 .0090 ELK .005 .005 .Ot5 .0016 .0120 .0120 .0099 .0099 .0088 .0088 .0065 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 FISHER! .io1Io .10110 .08-60 .10110 .1122 .1122 .4122 .0860 .10140 .1122 .4122 .1122 .1122 .1122 .1122 .1122 .0860 .10110 .1122 .1122 .1122 .1122 .1122 .1122 TABLE 5.12 RESOURCE PRODUCTION COEFFICIENTS PER ACRE BEUTER ET AL. TARGET A MANAGEMENT PRESCRIPTIONS NO CATTLE Cu ft TIMBER AGE CLASS 0 2 3 0 100 DEER .0156 .0156 .01169 4 1002 5 6 33115 11680 7 7359 8 9 90115 10553 .06311 .06311 10 1211011 .011117 11 1111116 .011117 12 13 161140 181166 14 15 206119 .0313 .0234 .0234 .0234 .0234 .0234 16 17 18 19 20 21 22 23 24 22680 24528 25228 26028 26028 26028 26028 26028 26028 26028 .1253 .1253 .0886 .0886 .02311 .0234 .0234 .0234 .0234 .0234 .0234 CATTLE 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 GRAZING ELK FISHERY .0100 .0)00 .0030 .0310 .0230 .0230 .0195 .0195 .0175 .0175 .0130 .010 .010 .010 .010 .010 .010 .010 .010 .010 .010 .010 .010 .010 .1300 .1300 .1070 .1300 .1530 .1530 .1530 .1070 .1300 .1530 .1530 .1530 .1530 .1530 .1530 .1530 .1070 .1300 .1530 .1530 .1530 .4530 .1530 .1530 LIGHT GRAZING CATTLE CATTLE .0234 .02311 .02311 .02311 .00118 .00118 .0025 .0025 .0025 .0025 .0025 .0040 .00140 .00410 .00110 .00110 .0040 .00110 .0040 .0040 .00110 .0040 .00140 .0040 MODERATE CATTLE GRAZING ELK FISHERY CATTLE ELK FISHERY .0070 .0070 .1300 '.1300 .01168 .01168 .01168 .01168 .0050 .0050 .0015 .0016 .0120 .0120 .0099 .0099 .0080 .0088 .0065 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .1170 .1110 .0960 .1170 .1380 .1380 .1380 .0960 .1170 .1380 .1380 .1380 .1380 .1380 .1380 .1380 .0960 .1170 .1380 .1380 .1380 .1380 .1380 .1380 .002) .0022 .0161 .0161 .0136 .0136 .0122 .0122 .0091 .0070 .0070 .0070 .0070 .0070 .0070 .0070 .0070 .0070 .0070 .0070 .0070 .0070 .1070 .1530 .1530 .1530 .1530 .1070 .1300 .1530 .1530 .1530 .1530 .1530 .1530 .1530 .1070 .1300 .1530 .1530 .1530 .1530 .1530 .1530 .0097 .0097 .005 .0050 .0050 .0050 .0050 .0080 .0080 .0080 .0080 .0080 .0080 .0080 .0080 .0080 .0080 .0080 .0080 .0080 Production coefficients for deer, elk, and cattle are grazing potentials per year. Production coefficients for salaonid fisheries are escapement potentials per year. HEAVY CATTLE GRAZING CATTLE ELK .0730.. 0050 .0730 .0730 .0730 .01116 .01116 .0075 .0075 .0075 .0075 .0075 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0120 FISHERY .10110 .005G -I014G .0015 .0016 .0120 .0120 .0099 .0099 .0088 .0088 .0065 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0860 .10110 .1)22 .1122 .1122 .0860 .10110 .1)22 .1122 .1122 .1122 .1122 .1122 .1122 .0860 .1040 .1122 .1122 .1122 .1122 .1122 .1122 TABLE 5.13 RESOURCE PRODUCTION COEFFICIENTS PER ACRE BEUTER ET AL. TARGET B MANAGEMENT PRESCRIPTIONS NO CATTLE Cu ft TIMBER DEER CATTLE GRAZING ELK FISHERY .0100 .OiOO .0030 .0310 .0230 .0230 .0195 .0195 .0115 .0175 .0130 .0100 .0100 .0100 .0100 .0100 .0100 .0100 .0100 .0100 .0100 .0100 .0100 .0100 .1300 .1300 .1070 .1300 .1530 .1530 .1530 .1070 .1300 .1530 .1530 .1530 .1530 .1530 .1530 .1530 .1070 .1300 .1530 .1530 .1530 .1530 .1530 .1530 LIGHT GRAZING CATTLE CATTLE ELK FISHERY .0010 .0070 .0021 .0022 .0161 .0161 .0136 .0136 .0122 .0122 .0091 .0070 .0070 .0070 .0070 .0070 .0070 .0070 .0070 .0070 .0070 .0070 .0070 .0070 .1300 .1300 .1010 .1530 .1530 .1530 .1530 .1070 .1300 .1530 .1530 .1530 .1530 .1530 .1530 .1530 .1070 .1300 .1530 .1530 .1530 .1530 .1530 .1530 MODERATE CATTLE GRAZING CATTLE ELK FISHERY CATTLE ELK FISHERY .0050 .0050 .0015 .0016 .0120 .0120 .0099 .0099 .0088 .0088 .0065 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .1170 .1170 .0960 .1170 .1380 .1380 .1380 .0960 .1170 .1380 .1380 .1380 .1380 .1380 .1380 .1380 .0960 .1170 .1380 .1380 .1380 .1380 .1380 .1380 .0730 .0730 .0730 .0146 .0146 .0075 .0075 .0075 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0120 .0050 .0050 OG15 .0016 .0120 .0120 .0099 .0099 .0088 .0088 .0065 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .0050 .10110 AGE CLASS 1 2 3 II 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 211 0 0 107 1002 3528 11937 7612 91111 110211 12976 15078 17172 19465 21728 23871 25819 26695 27533 27533 27533 27533 27533 27533 27533 .0156 .0156 .0469 .1253 .1253 .0886 .0886 .06311 .06311 .04117 .0447 .0313 .0234 .0234 .0234 .0234 .0234 .0234 .0234 .0234 .0234 .0234 .0234 .0234 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 .02311 .02311 .O23 .0048 .00118 .0048 .0025 .0025 .0025 .0025 .0025 .0040 .00110 .0040 .0040 .0040 .0040 .0040 .0049 .0040 .0040 .0040 .00110 .0040 Production coefficients for deer, elk, and cattle are grazing potentials per year. Production coefficients for aalmonld fisheries are escapement potentials per year. .01168 .0468 .0468 .0468 .0097 .0091 .0050 .0050 .0050 .0050 .0050 .0080 .0080 .0080 .0080 .0080 .0080 .0080 .0080 .0080 .0080 .0080 .0080 .0080 HEAVY CATTLE GRAZING .1040 .08-60 .1040 .1122 .1122 .1122 .0860 .10110 .1122 .1122 .1122 .1122 .1122 .1122 .1122 .0860 .10110 .1122 .1122 .1122 .1122 .1122 .1122 104 cattle, deer and elk and salmonid escapement potentials for study area anadromous fishery species. the first decade of Run point year number, 1 1981), For example, (identified by the decade midTable 5.14 indicates that acres of the study area timber are in age class years of age), of age), in age class 10 II 3 1,0140 (0-10 (10-20 years (70-80 years of 700 acres are in age class 13 (100-110 years of age) age, and 1,013 acres are in age class 1220 acres are for 787 acres are in age class 15 (120-130 years of age). 5.11 Table indicates that the 1,0140 acres of study area timber in age class 3 for the first decade of Run annual grazing potential of 0.01469deer 1 have an per acre at all levels of cattle grazing intensity. Simulation Results and Implications The projected average annual grazing potentials for deer, escapement potentials for harvest schedules, elk and cattle and salmonid (multiple use resource allocations) each decade-period of summarized in Table 5.114. the seven simulation runs are The average annual multiple use production potentials for each simulation are presented in Table 5.15. Run 2 For example, for the fifth decade period of (2016-2025), Table 5.114 indicates the average annual production of timber is 1496 in. Cu. ft., the average annual grazing potential for deer is 1446 animals at all levels of cattle grazing intensities, and the average.ànnual grazing potential for elk is 122 animals at the no level of cattle TABLE 5.111 RESOURCE AVERAGE ANNUAL PRODUCTION LEVELS PER ROTATION DECADE--PERIOD NO ROTATION PERIOD ft U N 1 1976-1985 1986-1995 1996-2005 1906-2015 2016-2025 2026-2035 2036-2045 2046-2055 2056-2065 2066-2075 1976-195 U N 1986-1995 1996-2005 1906-2015 2016-2025 2026-2035 2 2036-20115 20'16-2055 8 2056-2065 2066-2075 197-195 R U N 3 1986-1995 1996-2005 1906-2015 2016-2025 2026-2035 2036-2045 2096-2055 2056-2065 2066-2075 HARVEST VOLUME MF(CUBIC) CATTLE GRAZING MODERATE CATTLE GRAZING LIGHT GRAZING CATTLE DEER ELK FISHERY CATTLE ELK 1196 365 896 1008 988 1013 75 89-6 11911 101 115 120 111 108 110 60 1196 511 61 41 811 111 107 102 9115 963 976 28 30 32 29 28 30 28 76 77 78 75 71 67 1008 988 1013 94$ 926 95 3 I96 I$54 496 1126 '$96 381 365 371 356 348 $196 1196 '$96 496 496 Ti 496 3211 1122 5117 '$96 1196 529 496 496 496 1159 4116 '196 '196 496 372 372 372 372 312 372 372 372 372 372 $98 96 ii 138 137 126 122 1211 9111 926 961 64 96 l3 1182 1108 1088 1118 1123 1124 1130 40 38 96 88 125 1122 11 542 138 136 123 117 119 119 116 108 1118 1166 1185 1113 1113 1093 1130 1011 1117 520 474 426 liii 395 378 363 345 118 115 1 111l 1168 439 436 429 413 1211 78 110 87 87 67 Ill 83 112 80 '39 39 95 11110 85 1 62 III 32 36 37 35 35 37 38 97 95 86 82 83 83 81 16 73 FISHERY 9115 961 963 976 95 1114 1166 1182 1108 1088 1118 1123 1124 1130 ELK FISHERY 119- 53 108 81 55 60 63 58 56 61 57 125 128 87 81 77 77 77 81 83 58 60 O7 908 899 912 CATTLE 56 132 1118 1166 1185 $113 1093 1130 1211 82 65 71 711 11116 69 69 1140 1117 74 77 8116 55 55 53 833 51 867 879 118 851 8611 5 69 68 63 1003 1052 61 997 979 62 62 62 59 57 811 95 54 10611 1006 1010 1012 1017 ' 69 68 61 59 59 59 58 51$ 52 1006 10119 1067 1002 983 1017 1031 1026 1006 HEAVY GRAZING CATTLE CATTLE 1-19 162 122 83 90 95 87 89 91 85 188 192 130 121 115 116 116 121 129 126 198 185 122 ELK 53 58 60 56 54 55 55 53 51 48 58 69 68 63 61 62 62 62 59 57 58 69 68 91 107 110 104 104 111 61 115 52 59 59 59 58 54 FISHER 717 807 790 811 753 741 756 768 770 781 772 891 935 945 886 871 895 898 900 904 772 894 932 948 891 879 904 917 912 899 (oont.) TABLE 5.111 RESOURCE AVERAGE ANNUAL PRODUCTION LEVELS PER ROTATION DECADE--PERIOD NO ROTATION PERIOD R U N 4 R U N 5 R U N 6 HARVEST VOLUME MF(CUBIC) 1976-1985 1986-1995 1996-2005 1906-2015 2016-2025 2026-2035 1103 1103 1103 1103 CATTLE DEER ELK 1122 5113 13's 116 1103 1103 479 433 420 133 119 118 120 2036-20115 1103 1105 121 20lI62055 2056-2065 2066-2075 403 403 403 389 368 1111 351 105 103 197-195 11 1122 11 1986-1995 1996-2005 1906-2015 2016-2025 2026-2035 426 426 531 1126 4211 426 426 421 2036-20I15 1126 418 20Il62O55 2056-2065 2066-2075 426 426 426 1109 405 386 143 123 114 115 133 120 119 113 111 197-195 11 1122 11 4311 531 434 1160 150 129 1134 4311 426 424 417 434 1121 121 115 120 521 15)3 )2J5 1986-1995 1996-2005 1906-2015 2016-2025 2026-2035 203620115 20116-2055 434 11315 5211 1160 4111 GRAZING FISHERY 965 1116 1167 1186 1112 1092 1138 1154 5152 1100 CATTLE ELK 66 63 81 112 93 83 83 84 84 80 32 36 37 35 35 36 39 95 1145 1168 1175 1103 1086 1150 1154 1129 1108 1168 1174 1104 1086 1150 1153 911 7l 72 1 50 28 40 43 41 39 39 40 39 95 11115 MODERATE CATTLE GRAZING LIGHT CATTLE GRAZING 100 86 80 80 93 8l 83 79 78 1 50 29 40 43 41 41 45 104 90 85 81 83 811 81 FISHERY 965 1116 1167 1186 1112 1092 1138 1154 1152 1100 95 11115 1168 1175 1103 1086 1150 1154 1129 1108 95 1145 1168 1174 1104 1086 1150 1153 CATTLE 132 125 83 65 72 75 70 70 73 77 132 ELK 58 67 66 60 59 60 60 51 53 52 FISHERY 868 1004 1051 1068 1001 983 10211 1039 1036 990 5 101 57 71 62 1031 1051 79 57 51 67 60 60 56 56 1057 992 978 1035 1039 1016 997 86 82 78 77 80 79 132 1 101 1011 57 90 85 80 87 83 82 82 81 83 85 87 1031 1051 1057 993 971 1035 1038 HEAVY CATTLE GRAZING CATTLE ELK FISHERY 58 772 893 934 198 188 125 98 108 112 105 67 66 60 59 60 60 57 1011 9119 890 873 910 923 921 19 53 52 58 151 71 880 772 916 85 159 129 124 117 116 120 118 62 9311 57 4 940 882 869 920 923 903 886 772 916 0 9311 5 940 883 869 920 923 109 116 19 151 86 120 130 124 124 122 57 67 60 60 56 56 1 1 1 3 5 7 TABLE 5.14 (cont.) RESOURCE AVERAGE ANNUAL PRODUCTION LEVELS PER ROTATION DECADE-PERIOD NO ROTATION PERIOD R U N 7 HARVEST VOLUME HF(CUBIC) 176-1985 608 I98-6-1995- 53-3 1996-2005 1906-2015 2016-2025 2026-2035 2036-2045 2046-2055 2056-2065 2066-2075 511 390 390 351 316 284 227 159 CATTLE DEER 422 53& 489 465 '156 442 433 415 395 363 ELK 116 1t 128 120 121 123 124 121 113 109 GRAZING FISHERY CATTLE ELK 11355499 965 1174 1169 1104 1081 1142 1147 1129 1115 MODERATE CATTLE GRAZING LIGHT CATTLE GRAZING 66 81 35 43 43 39 90 8l 85 86 31 36 36 35 87 85 79 76 FISHERY 9.65 1135 1174 1169 1104 1087 1142 1147 1129 1115 CATTLE ELK FISHERY 132 109 58 11 64 60 61 61 62 60 57 54 868 1022 1056 1052 7 86 85 79 73 71 73 70 9911 979 1028 1032 1016 1003 HEAVY CATTLE GRAZING CATTLE ELK 198 163 1U6 128 128 118 110 58 71 64 60 61 107 109 104 60 57 54 6i 62 FISHER! 772 908 939 935 883 870 913 917 903 892 TABLE 5.15 RESOURCE AVERAGE ANNUAL PRODUCTION LEVELS PER ROTATION NO HARVEST VOLUME MF(CUBIC) CATTLE DEER GRAZING LIGHT CATTLE GRAZING MODERATE CATTLE GRAZING ELK FISHERY CATTLE ELK FISHERY CATTLE ELK FISHERY HEAVY GRAZING CATTLE CATTLE ELK FISHER! 1196 383.1$ 108.6 961.1 36.0 76.0 961.7 71.9 54.3 865.5 107.9 511.3 769.11 RUN 2 1196 1161.8 1211.3 1112.0 115.0 87.0 1112.0 89.9 62.2 1000.8 1311.9 62.2 889.6 RUN 3 372 1127.6 119.11 1117.2 Il1.8 83.6 1117.2 83.7 59.7 1005.5 125.5 59.7 893.8 RUN 4 '$03 1133.11 118.3 1118.2 112.1 82.8 1118.2 811.1 59.2 O06.II 126.2 59.2 8911.6 RUN 5 I130 1129.0 120.8 1118.2 42.6 814.6 1118.2 85.1 60.4 1006.11 127.7 60.11 8911.6 RUN 6 1138 439.3 124.3 1118.0 '$4.0 '87.0 1118.0 87.9 62.2 1006.4 131.9 62.2 8914.6 RUN 7 377 441.6 121.6 1116.6 42.4 85.1 $116.6 811.8 60.8 1005.9 127.2 60.8 893.3 RUN 1 109 grazing intensity. The average annual grazing potential for 38 cattle animals at intensity. average The light the level annual of escapement cattle grazing potential for salmonids is 886 fish at the heavy level of cattle grazing intensFty. For the entire rotation of Run 2, Table 5.15 indicates that the average annual production of timber is 1496 Cu. m. deer is ft., 1461.8 the average annual grazing potential for ()462) animals. The average annual grazing potential for elk is 1214.3 (12)4) animals at the no level of cattle grazing intensity. potential for cattle is cattle grazing 145 intensity. annual grazing animals at the light level of The potential for salmonids is average The average escapement annual 889.6 (890) fish at the heavy level of cattle:grazing intensity. The multiple resource use presented in Tables 5.114 study area and 5.15 provide one measure of resource productivities. characteristic of multiple use absence of singular measurement criteria. terms of cubic feet potentials production common A resource analyses universally accepted the is resource Timber is conventionally measured in or Scribner board Forage feet. is commonly measured in terms of Animal Unit Months (AtJM5) of grazing or tons of dry weight forage per acre. elk are alternatively quantified in terms of acre carrying capacities, population per area or per area capacities, numbers harvested per area or acre, acre, or annual recreational activity days. Deer and or lbs. acre per And fisheries 110 are alternatively measured terms in numbers, catch of numbers per kilometer or mile of mainstream, lbs. per acre or angler days. The derived multiple use this in study alternative units 5.16-5.21 Tables resource converted be of resource productivity illustrate grazing alternative easily can measures of to measurement. the expression of study area escapement and potentials production resource potentials resource terms in productivity.° of Table 5.16 presents the average annual cattle grazing potentials reported in Table AUMs of 5.15 livestock expressed in terms of average annual grazing. Table 5.17 presents the periodic average annual deer grazing potentials recorded in Tables 5.111 annual 5.15 and deer harvest measured in potentials. terms periodic average Tables 5.18 and 5.19 present the periodic average annual and average annual elk grazing potentials reported in Tables and 5.111 5.15 expressed in terms of periodic average annual and average annual days of recreational elk hunting. 5.21 present recorded in Table species average the annual Tables salmonid 5.20 and escapement 5.15 measured in terms of annual average escapement and average annual angler days of steelhead trout fishing. 10The TREES Model provides summary reports for harvest and inventory volumes in both Scribner board feet and cubic feet. in TABLE 5.16 ANNUAL AVERAGE AUM OF CATTLE GRAZING PER RUN AT VARYING CATTLE GRAZING LEVELS' RUN LEVEL OF CATTLE GRAZING NONE LIGHT MODERATE HEAVY 1 2 3 0 0 0 216.0 270.0 Z131.1I 6)47.14 5 6 7 0 0 0 0 250.8 252.6 255.6 26L0 251. 539.11 502.2 5011.6 510.6 527.11 508.8 809.11 753.0 757.2 766.2 791.14 763.2 ' based on usuage rate of 6 AUM per head per year. TABLE 5.17 AVERAGE ANNUAL DEER HARVEST POTENTIALS PER ROTATION DECADE-PERIOD 1991 2001 2011 109.11 88.8 111.0 133.2 85.3 106.6 127.9 121.6 1118.0 90.8 113.5 136.2 151.3 1981 RUN' 20$ 25% 30% 73.0 91.2 33 1/3$ 20Lø.3 25% 30% 33 1/3% IO9[ t09. 105.$ 136.7 126.11 1110.5 1611.0 136.7 158.6 176.2 182.3 loLo 1 oA .3 3 5 25% 30% 105.11 126.11 33 1/3% 201 1I0.5 25% 30% 105.11 126.11 1110.5 135.8 162.9 181.0 JL3 10L2 105.11 126.11 132.7 159.3 177.0 33 1/3% 201 25% 30% 6 !110.5 U.3 10L2 25% 30% 105.11 126.11 1110.5 132.7 159.3 177.0 107.2 25% 30% 33 1/3% L3 105.11 126.11 1110.5 'Percentage 1311.0 160.8 178.6 . 20111 2061 69.5 86.9 72.9 91.2 l'l.3 1111.11 109.11 111.11 127.1 i05J99. 132.2 121.5 123.8 71.2 89.0 106.8 118.7 1211.5 1111.8 137.7 153.0 133.9 111.6 131.6 109.0 130.9 101.2 128.6 1118.8 1116.3 1115.11 1112.9 A2.2 1112.1 A5.3 106.6 128.0 157.9 1112.2 79.0 98.8 118.6 131.7 75.7 9I.6 113.5 126.1 77.7 97.1 116.6 129.5 p1.9 72.5 90.7 108.8 120.9 73.1 92.0 102.11 101.2 121.11 1112.1 1119.3 165.9 9L 91.1 U.5 131.0 157.2 119.7 1113.6 108.2 129.8 1711.7 159.6 11111.2 1110.0 92.1 115.1 138.1 15.11 92.2 115.2 138.2 153.6 AL9 L2 106.1 127.3 105.3 126.3 2.9 103.6 1111.11 111O. 118.5 92.9 19.- h.9 101.2 121.11 1311.9 A3.1 1211.3 138.1 139.3 122.8 136.5 115.9 105.2 126.3 103.2 123.9 1110.3 IF.? 2071 611.5 81.0 97.2 108.0 12.1 1311.9 103.2 123.9 137.7 9.0 86.3 103.5 115.0 70.1 87.6 105.2 116.9 77.2 96.6 115.9 128.7 79.0 98.8 118.5 131.7 72.7 90.8 109.0 121.1 110.11 122.6 o.g U.2 U.7 10&.II 105.9 127.1 1011.2 127.7 1111.9 1111.2 91.2 U.j 1111.0 110.11 1116.6 93.0 116.3 139.6 132.5 162.9 155.1 136.9 152.1 108.2 129.9 1117.2 11111.3 or grazing potential harvested 1011.3 7.2154 1011.5 125.11 5T1 97.1 122.2 2051 95.11 76.3 95.1 .riO.1iOL1 33 1/3% 203 33 1/3% 203 7 162.5 180.6 2031 102.7 123.2 136.9 111.o 105.0 126.0 130.0 156.0 173.3 135.11 2021 125.1 139.0 2.i 103.7 1211.11 138.2 TABLE 5.18 AVERAGE ANNUAL ELE HUNTING DAYS PER ROTATION DECADE-PERIOD AT VARYING CATTLE GRAZING LEVEL5 RUN/LEVEL OF CATTLE CRAZING I NONE LIGHT HOPER-ATE! 2 3 HEAVY NONE LIGHT MODERATE! HEAVY HONE LIGHT HODEIIATE/ II 5 6 7 HEAVY NONE LIGHT MODERATE! HEAVY NONE LIGHT HODERATE/ HEAVY NONE LIGHT MODERATE! HEAVY NONE LIGHT MODERATE/ HEAVY U 1981 1991 2001 2011 2021 956 669 5$4 532 5-LU 1178 1239 867 620 12118 12111 B7I 1183 828 592 11118 8011 6214 869 620 1173 821 566 1107 831 1189 1155 832 1078 755 5911 5914 808 518 1039 727 520 1191 1183 1202 1206 11111 1051 8311 828 592 8111 81111 601 603 799 570 736 526 11149 8014 1331 1203 1191 1127 8112 8311 789 5711 932 666 602 596 5614 1210 11511 1191 1207 12112 8117 8311 8115 6011 869 605 808 511 1281 897 1200 12111 1208 1131 600 869 620 8116 6110 850 607 1228 860 12111 8110 192 566 1365 956 682 1258 881 629 1217 852 608 1382 967 691 1359 951 680 1225 858 6*2 1156 809 578 13141 1329 930 6614 596 1156 809 578 11428 12311 111111 1000 8614 7111 617 801 572 1156 809 578 11192 1290 903 6l5 1156 809 578 11112 1156 809 578 1319 965 690 1156 809 578 808 939 610 101111 7116 908 706 2071 1020 111 5-'*O ---577 2061 7116 598 ----5-56 1'48 531t 2051 1065 1081 157 11511 20111 1108 776 1112 178 1068 2031 1196 837 1095 166 511-8----- 596 6111 539 5711 1030 721 515 1112 778 556 621 6014 1087 761 51114 Based on an average of 50 hunting days per harvested elk and a harvest rate of 20% of grazing potential 114 TABLE 5.19 AEEAGE ANNUAL ELK HUNTING DAYS PER RUN AT VARYING CATTLE GRAZING LEVELS' RUN LEVEL OF CATTLE GRAZING NONE LIGHT MODERATE HEAVY 1 2 6 5 3 7 1086 1243 119Z 1183 1208 123 1216 760 870 836 828 846 870 851 543 622 597 592 6O4 622 608 5143 622 597 592 60k 622 608 'based on an average of 50 hunting days per harvested elk and a harvest rate of 20% of grazing potential TABLE 5.20 AVERAGE ANNUAL ESCAPEMENT PER ANADHOHOUS FISH SPECIES AT VARYING LEVELS OF GRAZING' COnG CHINOOK RUN STEELHEAD Heavy Cattle Grazing Moderate Cattle Grazing None/Light Cattle Grazing SEA-RUN CUTTHROAT CONG CHINOOK STEELHEAD - SEA-RUN CUTTHROAT - COHO CHINOOK TEELHEAD - SEA-RUN CUTTHROAT - 1 256.7 201.7 229.2 229.2 2112.3 190.11 216.11 216.11 215.11 169.3 192.11 2 311.14 21111.6 278.0 278.0 280.2 220.2 250.2 250.2 2119.1 195.7 222.11 222.11 3 312.8 2115.8 279.3 279.3 281.5 221.2 251.Il 251.11 250.3 196.6 233.11 233.11 11 313.1 2116.0 279.6 279.6 281.8 221.11 251.6 251.6 250.5 196.8 223.6 223.6 5 313.1 2116.0 279.6 279.6 281.8 221.11 251.6 251.6 250.5 196.8 223.6 223.6 6 313.0 2146.0 279.5 279.5 281.8 221.11 251.6 251.6 250.5 196.8 223.6 223.6 7 312.6 2115.7 279.2 279.2 281.11 221.1 251.2 251.2 250.1 196.5 223.3 223.3 'Based on an escapement distribution : Coho 28% Chinook 22%, Steelhead 25%, and sea-run Cutthroat 25% 192.11 116 TABLE 5.21 ANNUAL AVERAGE ANGLER-DAYS FOR STEELHED TROUT AT VARYING LEVELS OF CATTLE GRAZING* RUN LEVEL OF CATTLE GRAZING 1 2 3 NONE/LIGHT Z58.0 556.0 558.6 MODERATE 432.8 5OO.4 3814.8 141414.8 HEAVY 5 6 7 559.2 559.2 559.0 558.2 502.8 503.2 503.2 503.2 502.14 1466.8 14147.2 14147.2 14147.2 14146.6 *Based on a catch-to-escapement of' 0.5 and 14 angler-days/fiSh 117 The resource productivity values presented in Tables 5.114 use identify the multiple 5.15 and Tables 5.16-5.21 and resource management policies production programs, on management timber, the impacts deer, habitat alternative of intensities, elk cattle, harvest and salmonid and The resources of the Upper Middle Drift Creek Watershed. information presented in Tables 5.114-5.21 provide data on the physical consequences resource allocation nature of study the area over of selecting another or one and others use For resources. withdrawal of regular acreage for the on technical relationships between and multiple use multiple among example, the fisheries and wildlife for protection purposes from lands representative of actual wildlife and fisheries habitat location (Run 3) rather than on a proportional basis (Run 2) reduces output levels for all resources except salmonids (Tables 5.15 and 5.20). increase in the level of cattle grazing intensity has no affect upon deer grazing potentials. cattle An grazing from the no level However, of increasing cattle grazing intensity to the light level of grazing intensity reduces average annual elk production potentials (Tables 5.114, 5.15 and 5.18). Tables 5.22 annual resourc resource Watershed. and present the relative average output differences between the multiple use allocations The 5.23 of relative the Upper Middle Drift Creek resource, production differences between an unchanged study area acreage inventory and an TABLE 5.22 AVERAGE ANNUAL OUTPUT EFFECTS OF ALLOCATION CHANGES CHANGE FROM RUN RUN OUTPUTS 1 RUN 2 CHANGE FROM RUN 2 1 RUN 3 RUN 2 liON 3 PHYSICAL UNITS (Average annual output) TINDER ou. ft. m. bd. ft. NO CATTLE GRAZING LIGHT LEVEL OF CATTLE GRAZING MODERATE LEVEL OF CATTLE GRAZING HEAVY LEVEL OF CATTLE GRAZING Grazing Harvest ELK Grazing Harvest '496 0 1211 1196 -1211. 2650 -16 -670 2630 -650. potential potential' 383.11 78.11 1111.2 1161.8 127 7 26.1 111.7 153.8 314.2 11.11 potential potential' 108 6 21 7 15.7 3.1 10 8 2.2 1214 961 7 150.3 155 5 36.0 216.0 9.0 511.0 76.0 9.0 7.6 87.0 15.2 1.8 1.5 17.14 -3.6 -0.7 961.7 150.3 155.5 1112.0 5.2 71.9 17.9 108.0 11.8 70.6 89.9 1431.11 539.11 -6.2 -37.2 511.3 7.9 5.14 62.2 10.9 1.6 1.1 12.11 -2.5 -0.5 865.5 135.3 1140.0 1000.8 II.? 107.9 27.0 162.0 17.6 105.6 134.9 -9.4 6147.11 809.14 -56.14 511.3 7.9 5.11 62.2 10.9 1.6 1.1 12.11 -2.5 -0.5 769.11 120.2 1214.14 889.6 11.2 3 -14.9 2l 9 1.0 1112.0 5.2 5.8 t5.0 311.8 270.0 -3.2 -19.2 SALNOISIDS Escapement potential CATTLE Grazing potential A.U.N. ELK Grazing potential Harvest potential' SALKONIDS Esoapement potential CATTLE Grazing potential A.U.N. ELK Grazing potential Harvest potential' SALMONIDS Escapement potential CATTLE Grazing potential A.U.M. ELK Grazing potential Harvest potential' SALNONIDS Escapement. potential 'Based on a harvest rate of 33.3 percent of deer of elk grazing potential. grazing potential and 20 percent TABLE 5.23 AVERAGE ANNUAL OUTPUT EFFECTS OF ALLOCATION CHANGES CHANGE FROM RUN 3 OUTPUTS RUN 3 PHYSICAL UNITS (Average annual output) TIMBER m-u ft. NO CATTLE GRAZING LIGHT LEVEL OF CATTLE GRAZING MODERATE LEVEL OF CATTLE GRAZING HEAVY LEVEL OF CATTLE GRAZING m. bd. ft. DEER Grazing totential Harvest iotentlal' ELK Grazing iotential Harvest potential' SALMONIDS Escapement potential CATTLE Grazing potential A.U.M. ELK Grazing potential Harvest potential' SALMONIDS Escapement potential CATTLE Grazing potential A.U.M. RUN 4 CHANGE FROM RUN RUN 4 RUN 5 37-2-31-B 300 1980 RUN 5 II CHANGE FROM RUN 5 RUN 5 RUN 6 --53- 30 2170 190 110 2280.0 RUN 7 -20 -370 427.6 5.8 1.11 1133.4 142.4 0.5 144.3 -I.4 -1.4 429.0 142.9 10.3 1.9 3.11 12.6 4.2 119.11 -.9 -.2 1.11 0.3 118.3 23.7 2.5 23.9 0.5 120.8 24.2 3.5 0.7 0.8 0.2 1117.2 1.0 1.0 1118.2 0.0 1118.2 -.2 -1.6 41.8 250.8 0.11 0.8 112.1 11.8 252.6 0.5 3.0 42.6 255.6 1.4 1.8 8.4 -.2 -1.2 83.6 1.0 811.6 2.11 0.5 0.2 82.8 16.6 1.8 16.7 -.8 -.2 0.11 16.9 0.5 0.1 1117.2 1.0 1.0 1118.2 0.0 1118.2 -.2 -1.6 83.7 502.2 0.4 1.6 811.1 1.0 85.1 2.11 8.4 504.6 6.0 510.6 2.8 16.8 -2.11 59.7 11.9 -.5 0.7 0.2 59.2 1.2 60.11 1.8 0.11 -.1 11.8 0.3 12.1 0.11 0.08 1005.5 0.9 0.9 1006.11 0.0 1006.11 0.0 _.5 125.5 753.0 0.7 4.2 2.2 13.2 126.2 757.2 1.5 127.7 11.2 .5 9.0 766.2 25.2 -3.6 59.7 -.5 0.7 59.2 1.2 0.1$ -.1 0.3 11.8 0.2 60.4 12.8 1.8 11.9 0.4 893.8 1.2 1.2 8911.6 0.0 894.6 0.0 - -.3 ELK Grazing potential Harvest potential' SALNONIDS Escapement potential CATTLE Grazing potential A.U.M. ELK Grazing potential Harvest potential' SALMONIDS Escapement potential 'based on a harvest rate of 33.3 percent of deer grazing potential and 20 percent of elk grazing potential 0.08 -1.3 120 inventory adjusted for acreage acquistiions and riparian and wildlife habitat acreage withdrawals at low levels of management inteisification are reported under the headings The relative "Change from Run 1" and "Change from Run 2". resource output differences between riparian and nan-spotted owl habitat acreage intensively managed riparian and acreage (Run from Run 3". the moderate 3) (Run and non-spotted owl habitat are presented under ) managed extensively the heading "Change The relative production differences between level of management intensification (Run 14) and the high 1eel of management intensification (Run 5) is reported under heading the "Change from Run 14". The relative resource production level differences between shortened rotation (Run 6) 5) a and an unchanged rotation (Run and the relative resource output differences between a non-sustained yield harvest policy (Run 7) and a sustained yield harvest policy (Run 5) are compared under the heading "Change from Run 5". Interpretation In f Results general, management rotations programs, and impacts the management harvest of alternative intensities, habitat length of upon the production of study area resources are significant. The withdrawal of regular scheduling acres for policies fisheries habitat protection purposes on other than and wildlife a proportional withdrawal bases reduces average annual timber harvests by 121 11.7 to 25 percent, average annual deer grazing potentials by to 14.3 7.14 percent, average 9.3 percent, and average annual elk to percent. potentials by 2.2 grazing to potentials by 0 '1.8 cattle annual While grazing average annual salmonid escapements are observed to increase, the increases do not exceed 1 percent. The intensified management of riparian and non-spotted owl wildlife habitat acreage for timber production purposes increases percent average and potentials by escapement average average annual timber harvest volume the annual percent. 1 potential annual elk is deer cattle and by 8 grazing While the average annual salmonid observed grazing to increase potential and observed is the to decrease,- the resource production potential changes do not exceed 1 percent. Comparison of Run 2 and Runs interesting observations. 3 and 14 reveal several First, the multiple use resource allocation associated with a wildlife and fisheries habitat acreage total significantly withdrawn different on a proportional from a multiple bases use can be resource allocation based on a habitat acreage total withdrawn from actual habitat area locations. Secondly, the expected average harvest volume loss associated with the withdrawal of 340 older growth acres for bald-eagle and spotted owl habitat protection purposes is 65 percent greater than the average harvest volume lost when the 3140 acres are withdrawn from actual bald-eagle and spotted owl nesting 122 site stands. Thirdly, growth acreage sustained-yield calculations cannot to overemphasized. importance of existing older the Upper The Drift Middle contains 2,293 acres of timber under Creek be Watershed 15 years of age, has 2,207 acres of timber greater than 50 years of age but only 787 acres of conifer stands greater than 65 years of age. While plantation and younger aged acreage is forecasted by the TREES Allowable Cut File to provide significant volumes of harvestable timber, none is harvested during any simulation run. The change of the management intensity from the Beuter et al. Target A levels to the Beuter et al. Target B levels increases percent. the The average annual timber harvest volume average annual elk grazing increases by 6 by 2 percent. The average annual salmonid escapement potential remains unchanged while potential is reduced by the percent. 1 Collectively Runs 3, which timber average annual deer grazing 4 management and S demonstrate the extent to intensification programs can compensate for harvest volume losses resulting from regular acreage withdawals protection purposes. and increased riparian for and wildlife habitat Intensified habitat timber management levels of management intensification are shown to be capable of reducing annual timber volume losses by 53 percent, from 12 ft. per year. in. Cu. ft. per year to 66 in. Cu. 123 shortening The of 100-year the management forest planning horizon to an 80-year planning horizon increases the average annual timber harvest volume and average annual deer grazing potential percent. 2 by Also, the average annual cattle and elk grazing potentials are increased by percent, and the average is left unchanged. potential escapement salmonid annual deviation The 3 from a sustained-yield harvest policy increases the average annual timber harvest volume for the first three periods of the ten-decade planning horizon by 25 percent over the average annual timber harvest volume for the first three periods of Run 5. The annual deer grazing potential is observed to increase by 3 potentials are While the elk and cattle grazing percent. observed to increase salmonid the and escapement potential is observed to decrease, the change in resource productivities do not exceed percent. 1 5.11_5.23 The information presented in Tables that within the range of resources indicate allocation and alternatives considered, the multiple use resources of the Upper Middle Drift supplementary product Creek (independent) relationships. relationships Watershed between The study and have competitive nature area complementary, of technical the resources product- range from strongly complementary as in the case of timber production and deer harvest potential to mutually exclusive as in the case of timber preservation. production and spotted owl habitat 124 In general, the technical relationships between timber harvest and deer, complementary between while timber relationship product-product the and independent.1 and cattle grazing potentials are elk, salmonids competative weakly is or The greater the number of acres harvested and the higher the level of' management intensification, the greater the volume of timber harvested and the greater the grazing potentials for deer, cattle and elk. the number protection salmonid acres of harvested activities, escapement relationships cattle are timber than between tiniber and elk. indifferently activities, and relationship riparian the reduction The complementary deer, and habitat and timber of and complementary relationships the Unlike deer and cattle which react timber harvest and/or timber management to elk exhibit harassment or avoidance responses Skovlin of 1974; Penderson, 1973; Lemos and Hines, (Gibbons and Salo, Adams, greater potentials. between stronger the without The greater 1979). The and timber deer competitive observed when the level of management intensity is changed from the moderate level of intensification intensification fewer acres (Run (Run rather 14) the to 5) results than from from an high the level harvesting operative of of competitive 11The measurement of deer, elk and cattle productivities in terms of grazing potentials restricts deer, elk and cattle production levels which are not competive with timber or forage resources. 125 product-product relationship between timber production and deer. The technical relationships between salmonids and elk, salmonids and deer, deer and cattle and deer and elk are generally found product-product to be independent. relationships While competitive between observed are salmonids and elk and salmonids and deer, the relationships are statistically insignificant at confidence. a 99 percent degree of Observed statistically significant competitive and complementary relationships between deer and elk and deer and cattle typically reflect significance the of timber harvest and silvicultural activities over the range of allocation alternatives considered rather than underlying technical relationships. Research indicates that in the absence of forage constraints the relationships between deer and cattle and deer and elk are independent (Hines, 1973; Mackie, 1978; Table 5.2t summarizes Skovlin et al., the average 1968). annual resource production effects of alternative levels of cattle grazing intensities upon study area resources. Cattle and timber and cattle and deer are observed to be independent for all levels of cattle grazing intensities. Cattle and salmonids are observed to be independent at the light level of cattle grazing intensity and competitive at the moderate and heavy levels of cattle grazing intensities. Cattles and elk are observed to be competitive at the light and moderate levels TABLE 5.2I AVERAGE ANNUAL EFFECTS OF INCREASE CATTLE GRAZING FROM THE NO CATTLE GRAZING INTENSITY LEVEL DEER2 CATTLE2 ELK2 CATTLE GRAZING SALMON3 TIMBER1 DEER2 CATTLE2 ELK2 SALMON3 SALMON3 TIMBER1 -32.6 0 0 0 71.9 _51$.3 -96.2 0 0 107.9 0 -192.3 45.0 -31.3 0 0 0 89.9 -62.1 -111.2 0 0 134.9 0 -222.4 0 111.8 -35.8 0 0 0 83.7 -59.7 -111.1 0 0 125.5 0 -223.4 0 0 42.1 -35.5 0 0 0 811.1 -59.2 -111.8 0 0 126.2 0 -223.6 5 0 0 42.6 -36.2 0 0 0 85.1 -60.11 -111.8 0 0 127.7 0 -223.6 6 0 0 1111.0 -37.3 0 0 0 87.9 -62.2 -111.6 0 0 131.9 0 -223.2 7 0 0 42.4 -36.5 0 0 0 84.8 -60.8 -110.7 0 0 129.2 0 -221.3 DEER2 CATTLE2 HEAVY MODERATE CATTLE GRAZING LIGHT CATTLE GRAZING RUN TIMBER1 1 0 0 36.0 2 0 0 3 0 II ELK2 1MM Cu. Ft. 2Grazlng Potential 3Eaoapement Potential - 127 of cattle grazing intensities and independent at the heavy level of cattle grazing intensity. Thus far, allocations has consequen.ces of multiple use consideration the been restricted alternative resources. resource simulated of physical the to allocations of Discussions have area study focused on projected physical impacts of alternative forest management programs, management intensities and harvest policies on the timber, range, wildlife and salmonid fishery resources of Upper the resource Middle Drift have been impacts Projected Watershed. Creek measured terms in of timber harvest volumes (cu. ft. and bd. ft.), deer, cattle and elk grazing These potentials impacts have been periodic basis basis. Examples have and salmonid and been potentials. an average annual horizon average annual reported planning on escapement on presented demonstrating the quantification of non-timber resource impacts in terms of alternative measurement criteria. grazing Cattle potentials were expressed in terms of average annual Animal Unit Months (AUMs) of livestock grazing. Big game grazing potentials were reported in terms average periodic big game harvest potentials and recreational activity data. Salmonid escapement potentials were expressed in terms of average annual escapements of Coho, Chinook, steelhead and sea-run cutthroat steelhead trout. and annual average angler days for While physical production numbers supply data on the nature of the technical relationships between 128 study area trade-off resources provide and information useful resource and product-product information supply required by Secion 219.9 and 219.10 (NFMA, 1976). Physical production numbers alone provide little information on the relative worth of alternative multiple resource use allocations or the economic consequences of selecting one management strategy or multiple use resource allocation over another or others. Economic Implications The Multiple Use-Sustained Yield Act (1960) authorizes and directs the Forest Service to manage all the various renewable resources of National Forests so that they are utilized in the combination which best meets the needs of the American people. to Forests contribute in numerous ways human satisfaction. livestock grazing, They may wildlife provide and fishery recreational opportunities, wilderness or of these. timber, habitats, any combination However, any given forest area can only provide one multiple use resource allocation at a time. one water, particular combination of multiple use Choice of resources requires giving up other multiple use resource allocations. The economic problem in allocating multiple use resources is a classic case of allocating scarce resources among competing uses. The economic criteria for determining the most efficient allocation of resources are well defined if acceptable market values exist for each 129 In such cases, resources product or use of the resource. are allocated in such a way that marginal value products in each use are equal. absence The market of values for forest all land renewable surface resources precludes the determination of use resource allocation which maximizes the the multiple net benefit to society. that fact The markets are imperfect, and indeed do not exist at all for major classes of forest outputs, provides an important raison d'etre for The public management of natural government intervention. resources justified is system market largely unable is make to the on grounds provision that the Pareto- for relevant externatlities and for extra-market goods such as fishery wildlife and preservation lands of (Convery, wilderness 1977; watershed resources, areas Haigh grazing and and protection, on Krutilla, public 1979; and Musgrave, 1969). The existence of extra-market effects compels analyst to adopt one of two valuation approaches. an Either resource values may be assumed to be zero or pseudo-prices If a zero resource value is assumed, the may be defined. resource marginal value product is also assumed to be zero; and according to the rules or marginal analysis, none of that particular resource should be provided if there is any cost involved variety of in making it pseudo-pricing (provison available alternatives value non-marketed goods and servies. cost). are available A to For a given resource 130 in a given situation there is more than one implicit value. The correct derivation of a substitute market value depends on the use to which the value will be employed. management land planning, decisions where In forest will made be about whether to change the quantity or quality of forest multiple value use has resources, been willingness determined consumers of outputs. (Brown, appropriate the to derivation estimates of 1977; goods the for 1976). "willingness and services reflects one of two basic valuation approaches. first approach, service 'valued value derived from is good or of an the survey Under the good or the observed value of a market- service. Under second the from an market observed valuation produced value first methodology (the of the valuation contingent second approach indirect method) auctions, are (the experiments and substitution games. the method) are The most common direct iterative open-ended by Foremost examples formulations of the "travel cost method." examples typically extra-market establishment of a hypothetical market. of pay" to the value of a non-marketed good or service is approach, derived the the Dwyer, Kelly and Bowes, consumers' non-marketed for of land Martin, Tinney and Gum 1978, Mishan, The estimate an forest pay to 1982, 1981; be market implicit value method bidding or games, questions and 131 Numerous willingness to pay studies have been directed at the valuation of non-marketed multiple use resources. no universally accepted values have been derived To date, for non-marketed any timber multiple only utilized in in land resource. resources, considered use salmonids identified forest have an Forest economic Service specifically value documents Planning resource allocation analyses. values considered this in study for study, this n non- the Of economic The area research and non- timber multiple use resources are presented in Table 5.25. Reflecting an absence of Forest Service identification and the lack of universal agreement regarding the appropriate value of non-marketed resources, a range of economic values are provided forharvested deer and elk and AtJMs of cattle grazing. Willingness to pay estimates provide resource economic values for current resource products or uses only. current non-marketed accurately determined, future economic values values economic are reniain For the purpose of this analysis, it was assumed unknown. that resource Even if the relative relationships value of' study area multiple use resources would not change over time. While range, forest wildlife land and simultaneously fishery provides resources, the timber, realized production of particular forest land resources occurs at different points in time. Range, wildlife and fishery resources provide annual flows of resource product values; 132 TABLE 5.25 ECONOMIC VALUES OF STUDY AREA NON-TIMBER MULTIPLE USE RESOURCES VALUE REFERENCE, DEER I8.69 Brown, Nawas, Stevens (1973) DEER 160.00 Brown, Nawas, Stevens (1973) DEER 19U.75 W.R.0 (1973) DEER 253.00 Shalloff (1981) RESOURCE 2 CATTLE (AUM) 1.60 USDA (1976) CATTLE (AUM) 5.30 Statistiai. Report Service (1977) CATTLE (AUM) 6.50 (Brown, 1976) CATTLE (AUM) 16.00 ELK 151LO ELK 259.66 (Gardner, 1959) Brown, Naves, Stevens (1973)1 Brown, tiawas, Stevens (1973)2 ELK 336.00 W.R.0 (1973) Shalloff (1981) ELK SALZIONIDS 106.98 Kunicel and .Ianik (1976) 1Westerri Oregon harvested aninal adjusted to 1975 price level. 21975 price level and Hobo hunter days per aninal harvested. 3Hebo hunter days per aniaal harvested and average daily net benefit. 133 timber resources provide product values which are realized incrementally upon thinning harvesting. and values which occur at different points compare To in time, standard analytical procedure is to discount all resource values to their present values. In discount evaluating rate determining the forestry used can level outputs (Josephson, be and mix resource of allocations, extreme importance multiple of the resource use 1976 and Klemperer, 1976). in The higher the discount rate, the lower the value given future product values as compared with present ones. For example, the present value of $1,000 of benefits 30 years in the future is $1412 discounted at 3 percent, $1714 discounted percent but only $57 discounted at 10 percent. at 6 The present value of $1,000 received annually over a 30-year period is $19,600 discounted at 3 percent, $13,765 discounted at percent and $9,427 discounted at 10 percent. Thus, 6 the present value of benefits realized 30 years in the future can be changed by more than a factor of 7 depending on the discount rate used; and the present value of a stream of benefits realized over 30 years can be changed by more than a factor of 2 depending upon the discount rate used. Much has been written about the appropriate rate discount for natural resource decision making. of the appropriate discount rate has of Selection emerged as an important issue in public forest planning (Row, Kaiser and Sessions, 1981). The Renewable Resources Planning Act of 134 197k and the National Forest Management Act of 1976 (NFMA) direct the USDA Forest Service to use economic efficiency as one of major the decision-making. develop economic for chosen below current rates of specified the for is only is interest or Office percent 1 discount study this federal agencies (Stockfish, rate and of 6 the 1969). a rate. The percent, well percent rate 10 Management less including analysis, appropriate an for discount rate by planning resource in The NFMA requires the Forest Service to guidelines recommendation criteria and Budget for The 6 percent discount than the discount rate recommended by the U.S. Water Resource Council but is well above the 2 or percent rate traditionally employed 3 in forestry decision-making and planning. The present net worth of the study area average annual non-timber resource production potentials (livestock AUM's, harvestable deer and elk, and salmonid escapements) valued at aLternative willingness to pay estimates are presented in Tables 5.26-5.29. The present net worth of study area resource allocations based on specific resource values are 5.30. presented in Table Resource values used were $160 for each harvested deer, $336 for each harvested elk, for each AUM of uncaught salmonid. livestock grazing and $106.98 for $6.50 each TABLE 5.26 GRAZING POTENTIALS PRESENT NET WORTH OF THE AVERAGE ANNUAL CATTLE AT ALTERNATIVE AUM VALUATIONS AND LEVELS OF CATTLE GRAZING INTENSITIES 1.60/AUM1 Level of cattle grazing intenaity 5.30/AU142 of cattle grazing intensity Level 6.50/AuH3 Level of cattle 16/AUM4 Level of cattle grazing intensity grazing intensity MODERATE HEAVY LIGHT 46,597 69,929 29,165 58,263 66,322 27,087 44,366 66,688 22,517 44,968 20,900 23,096 20,291 22,401 LIGHT MODERATE 1 5,750 11,1166 17,216 19,028 2 7,179 111,3111 21,520 3 6,664 13,3114 II 6,714 5 HEAVY MODERATE HEAVY 57,432 1111,697 172,129 87,1127 71,790 1113,1113 215,203 511,241 81,328 66,688 133,526 200,214 27,287 5I1,507 81,794 67,170 1311,1711 201,327 67,486- 27,602 55,155 82,758 67,968 135,769 203,720 146,143 69,239 28,329 56,593 84,922 69,734 139,303 209,037 1111,819 67,220 27,1186 511,956 82,442 67,635 135,287 202,922 HEAVY LIGHT 37,989 57,016 23,332 23,780 47,511 71,291 20,025 22,085 44,237 13,1111 20,1211 22,252 6,797 13,577 20,3711 6 6,967 13,934 7 6,764 13,527 LIGHT MODERATE RUN 1USDA, 1976 2Statistical Reporting Service, 1977 3Brown, 1976 11Gardner, 1959 TABLE 5.27 PRESENT NET WORTH OF THE AVERAOE ANNUAL DEER PRODUCTION AT AI.TP.RNATIVE HARVESTED ANIHAL. VALUATIONS AND ALTERNATIVE OJIAZINO POTENTIAL HARVEST RATES $118.69/deer1 $160.00/deer2 $19I .75/deer3 $253/deer'4 203,866 2'18,157 322,389 RU N / H AR VEST 62,052 77,556 93.061 20% 25% 30% 33 1/3% 20 2 3 93,410 112,105 33 1/3% 12IIll36 9,197 86,1197 1183,5811 306,960 366,355 '4°°L066 373,639 11118,370 11971692 1185,395 562,1178 3115,970 1115,167 11602834 598663 350,656 420,784 1155,5119 21i5,5 227,3I1 33 1/3% 115_t212 3782608 81,660 105,209 116775 288,090 345,70'l 25% 30% 9,1130 33 1/3% 20J 22,t32 1151595 3192838 232,I 70,2 88,2111 105,938 33 1/3% 11125911 71,1157 69,322 101,186 33 1/3% 383743 285,165 342,198 25% 30% 25% 30% 230,1115 66,779 1011,128 1j,985 290,096 3l8,109 386,l10 21i,29 293,5110 21,773 20,52 61165110 359,51 11119,1150 539,331 31,132 546,6119 60619O 3117,100 416,5111 1150,913 5111,099 227,7 3o,7 1162329 60062'l 353,0911 1123,720 '458,119 Il10325 25,30 357,287 3,91 550,1160 6111015 371.329 '4611,157 352,225 1128,7411 556,985 32.QL988 11152923 6188511 2Brown, Nawa., and Stevens applied to Rebo suoceserates and adjusted to 1975 '4Shalloff (1981) 536118 1167O82 1l3rown, Nawas, and Stevens northwest Oregon adjusted to 1915 3w.n.c. and Ilebo suooeseratea 1102,987 339,1173 103.796 7O,l 310,208 372,2211 1113L190 2811,2311 3111,0811 20 7 305,621 25% 30% 33 1/3% 6 711,731 25% 30% 2O 25% 30% 5 lO3297 2511,8511 TABLE 5.28 PRESENT NET WORTH OF THE AVERAGE ANNUAL ELR PRODUCTION AT ALTERNATIVE GRAZING POTENTIAL HARVEST RATES AND LEVELS OF CATTLE GRAZING INTENSITIES 154.40/elk1 NONE RUN 20% 1 25% 30% 55,670 69,796 83,638 33.3$ 92,878 2 25% 30% 58,1195 611 910 111,628 1110,671 46111117 156209 65,591 81,993 98,379 10916Il 55,936 66,971 110,033 117,976 134,190 911,0711 160,9115 112,620 33.3$1O2118 75,9711 91,083 53,626 30,527 38,238 103,131 128,590 611,395 115,932 hlL32'I 51O67 53,111 63,630 31,972 45,666 __.HOl.8L7O,o9 59,552 2,O5 !3,35F31,o11 20J )) ii.q9u 'I,391 3*1,737 30% 92,878 33.3%103,1118 65,176 72,355 116,11117 19,276 30% 95,075 33.3$105,526 20J 2,351 7 25% 78,005 30% 93,659 33.3%lOj,912 55,569 66,531 73,927 113,22 511,657 65,'125 HOD ER A T El NONE LIGHT HEAVY 121,162 151,872 '17.028 58,678 70,327 182,0311 781O5 2O2125 67,320 80,697 139,O2 173,658 208,273 O'l,868 60,855 106,089 127,310 75,9411 121,727 91,017 101,071 9,231 87,112 1111,270 97,7J19 160,613 201,327 HODERATE/ HEAVY 80,680 100,672 2111,293 267,9119 112,504 140,638 168,756 187,268 11i,10 *2,79O 91,71 161,360 115,462 193,1811 21'1,655 138,1111 1115,7110 104,1*11 6 161,926 115578 230,193 276,091 306,435 120,6117 133,974 153,218 ,1139 17,99 123,O5 611,312 77,2110 166,396 199,898 *16,692 83,190 15'I,'18O 1'IO,156 99,9111 111,730 ll9965 220,571 264,990 154,697 185,789 110,2911 132,1195 651865 50,91 22212311 155,229 111,108 92,95 5,9O 2911,587 175,1120 205,7611 147,302 132,329 165,283 198,220 122,73 87,31111 115,570 82,6111 219,092 138,1*78 1511,115 9J1,357 99,392 109,995 262,7611 153,218 183,562 109,5'16 131,7118 1115,823 118,370 8'I,320 11*1,818 157,1155 101,071 1121238 U,77 _1!O019 1O1i,112 130,318 156,209 39,770 133,310 159,890 l77'172 116,697 LIGHT 93,2115 51,566 5j,763 31,30 39,002 NONE 133,11lIj- 173,1159 117,661 HODERATE/ HEAVY II 115 .4 l/e lk'1 51,350 127,726 153,185 , 336/elk3 12,05 90,186 108,300 -r-n ,11iTi11 ,WTT ,nr'i, 6 25% LIGHT 93,625 117,373 76,1159 91,8611 25% 30% NONE 27,968 34,898 112,111 30% HODERATE/ HEAVY 39,002 48,757 1,32O 20J 3 25% II 79,800 95,703 LIGHT 259.66/elk2 j11 89,322 107,020 1191101 72,920 63,83 91,1182 65,159 78,105 86 729 109,596 l21677 76,608 85,001 219989 1J,12l 2,2T11 168,623 202,125 .2211,1159 T,T1-----9,512 93,1157 111,881 ioI,o 1211,313 131,162 157,505 91,9111 111,773 133,9711 11181781 91,179 1111,705 103,726 11111820 301111126 213,2117 ,117 179,57 125,32 811,068 225,008 270,159 2991772 157,655 11111,784 229,6110 160,8611 65,591 78,537 169,736 203,803 118,935 1112,383 101,619 1121786 158,021 297,5115 156,924 187,999 208,739 160,302 191,917 86,5110 _.h'3 125,O11,11 127,9115 120,928 7j_j_17111755i221jo9 87jjj_ 20111286 13,1O1 172,519 206,907 135,11,922 291,629 179,125 223,529 267,949 228,683 274,281 66,878 80,168 88,736 73,352 110,028 7,59 137,503 1521213 90,302 188,7117 112,5011 1311,706 209,470 149,512 'Brown, Nawae, and Stevena northwest Oregon adjueted to 1975 2Brown, Nawas, and Stevens applied to Hobo £uooeearates and adjusted to 1975 3v.r*.c. and Hobo '1Shallofr (1981) uooeaeratea H -4 138 TABLE 5.29 NET PRESENT WORTH OF SALMONID ESCAPEME1NTS AT VARYING LEVELS OF CATTLE GRAZING 106.98/Escapement fish NONE/LIGHT MODERATE HEAVY RUN 1 1,709,710 1,538,694 1,367,828 2 1,976,911 1,779,223 1,581,518 3 1,986,150 1,787,565 1,588,997 it 1,987,928 1,789,177 1,590,1109 5 1,987,928 1,789,177 1,590,1109 6 1,974,526 1,777,1142 1,579,977 7 1,985,O87 1,786,502 1,588,099 1Kunkel and Janik, 1976 TABLE 5.30 NET PRESENT WORTH OF STUD! AREA MULTIPLE USE RESOURCE ALLOCATIONS AT ALTERNATIVE LEVELS OF CATTLE GRAZING INTENSITIES 33.3 (h) 160/DEER Deer Timber ELK Cattle ($6.50/AUM) LIGHT MODERATE CATTLE GRAZING HEAVY 20S (b) ($336/ELK) MODERATE/ LT CATTLE HEAVY GRAZING NONE-LIGHT CATTLE CRAZING SALMONIDS ($106.96/FISH) MODERATE CATTLE GRAZING HEAVY CATTLE GRAZING RUN 2,O01,241I 339,4473 23,332 46,59? 69,929 124,162 814,868 60,685 1,709,710 1,538,6914 1,367,828 1 1,998,157 1408,686 29,165 58,263 87,42? 439,026 97,4449 69,231 1,976,914 1,779,223 1,581,518 2 1,473,060 376,608 27,087 514,2441 81,328 133,443 93,2445 66,4439 1,986,150 1,187,565 1,588,991 3 1,595,813 383,743 27,287 54,507 81,794 132,329 92,695 65,890 1,987,928 1,789,177 1,590,409 14 5 1,639,499 379,838 27,602 55,155 82,758 135,424 94,357 67,569 1,987,928 1,789,177 1,590,1409 6 1,9145,470 386,410 28,329 56,593 811,922 138,114 96,512 68,776 1,974,526 1,177,4442 1,579,997 7 2,015,971 390,988 27,486 514,956 82,442 135,686 94,922 68,147 1,985,087 1,786,502 1,588,099 h percentage of grazing potential harvested 140 Interpretation of Results The multiple use resource allocation values presented in 5.26 Tables 5.29 - non-timber alternative identify resource values for the Upper Middle Drift Creek Watershed associated with alternative management intensities, summarizes the management forest and harvest policies. Table 5.30 allocation values associated with specific 5.28 - 5.29 resource output evaluations. Tables 5.30 lacking provide programs, heretofore the and Table information on the relative worth of alternative resource allocations and the economic consequences of selecting one management strategy or multiple use resource allocation over another or others. A noticeable inclusion of three cattle, and values elk, for intensity characteristic possible production salmonids. cattle, level quantification relationships elk, of cattle of and the level values for salmonids grazing cattle is identified and the joint elk production based reflects competitive the between The 5.30 Table of on the economic production and cattle the present net and salmonid resources. Table 5.31 presents the changes in worth of simulation resource allocations associated with varying intensities of cattle grazing. For all runs, elk harvest value losses exceed cattle AUM gains when cattle are introduced at the light level of grazing intensity. For cattle AUM gains to exceed elk harvest value losses, TABLE 5.31 RESOURCE PRESENT NET WORTH CHANGES AT VARYING LEVELS OF CATTLE GRAZING CATTLE GRAZING (6.50) ELK $(336) LIGHT MODERATE HEAVY CATTLE CATTLE CATTLE CATTLE GRAZING GRAZING GRAZING GRAZING NO $160 TIMBER DEER LIGHT MODERATE HEAVY SALMONIDS $106.98 LIGHT MODERATE HEAVY NO CATTLE CATTLE CATTLE CATTLE GRAZING GRAZING GRAZING GRAZING RUN 1 23,332 23,265 23,332 2 29,165 29,098 29,1611 3 27,087 27,1511 27,087 -'10,198 -26,806 -39,634 -26,805 5 27,287 27,220 27,087 27,602 27,553 27,603 -110,764 -26,788 -171,016 -170,866 -197,688 -197,705 -198,585 -198,568 -198,751 -198,768 -198,751 -198,768 6 28,329 28,2611 28,329 -'11,602 -27,736 197,0811 -197,1165 7 27,1186 27,'lTO 27,1186 -'l0,76'i -26,805 -198,585 -198,'103 II --, -36,29H -23,983 -111,877 -27,918 142 cattle grazing must be increased the to heavy level of However when cattle grazing is increased cattle grazing. from the light to the moderate level of grazing intensity, joint-production the salmonids changes from an and cattle independent relationship to a For cattle AUM gains to exceed elk and competitive one. salmonid between relationship losses when elk and salmonid values left are unchanged, ATJM values must be increased by a factor of 5 at the moderate level of grazing intensity and by a factor of 6 at the heavy of grazing level For intensity. cattle grazing gains to exceed elk and salmonid losses when cattle AUM's are valued at the Forest Service recommend rate of 1976), harvested elk are valued at $336 $1.60 (U.S.D.A., and salmonids are -valued $106.98 (salmonid escapement value derived from Forest Service study cited in Hebo FEIS, increased by factor a of fishery resource valuation 1978 p.26), AUM values must be 20 at the moderate level of' grazing intensity and by a factor of 24 at the heavy level of grazing intensity. The information presented in Table 5.31 indicates that in the absence of significant changes in resource valuations, an efficient allocation of study area multiple use resources will exclude cattle grazing activities entirely or include cattle grazing limited to a low level of grazing intensity. Such a conclusion is consistent with the current absence of cattle grazing on study area acreage and absence of any Forest Service plans to expand cattle 143 grazing beyond existing locations or above existing trivial 1978, grazing intensity levels (Hebo FEIS, present The net impacts value 13). P. riparian which and wildlife habitat acreage withdrawals have upon study area resource allocations when timber and wildlife and fisheries habitats are 5.32. extensively managed presented are in Table The withdrawal of study area acreage on other than a proportional bases reduces the present net worth of timber by 25 percent, the present net worth of deer harvest values by 7.24 percent and values by the present net worth of elk harvest percent. 24 While present the net worth of salmonids is observed to increase, the magnitude of change does not exceed one-half of 1 percent. The present net worth impacts resulting from changes in selected management practices on multiple use resource allocations of the Upper Middle Drift Creek Watershed can readily be management determined by practices included examining habitat management practices, rotation length, differences between (Run habitat acreage are "Change from Run #3". moderate (Run 24) 24) These fisheries and management intensification, extensively wildlife habitat acreage (Run wildlife harvest and 5.33. Table 3) policy. The managed relative riparian and and intensively managed compared under the heading The relative differences between the and the high (Run 5) ranges of management intensities are compared under the heading "Change from Run #24". The relative differences between a shortened rotation TABLE 5.32 AVIRAGE OUTPUT EPEECTS OF ALLOCATION CHANGES cHANGE IRON RUN 12 CHANGE IRON RUN #1 OUTPUTS PHYSICAL UNITS (average annual output) Tiuber(a ou.ft.) Deer(harveetl) Cattle(AUN) Elk(harveetl) Salmonida(eeoapement RUN1 RUN2 0 96 127.7 RUN5 -12k 96 1.7 26.1 - R0N5 _1211 11. 153.8 - - 2.9 2.2 155.5 3.2 150.3 21.7 961.7 RUN2 -1.0 5.2 961.7 nui.bera) DOLLAR VALUES (Present net worth) Timber Deer Cattle Elk Salmonids 2,O11,2 339,73 - 121,162 1,709,710 -13,007 538,1811 1,998,157 69,13 39,135 '108,886 - 17,86'1 267,201 - 12,281 276,201 - 139,026 1,976,911 -525,097 -30,278 - -5,583 9,239 TABLE 5.33 AVERAGE OUTPUT EFFECT OF ALLOCATION CHANGES CHANGE FROM RUN #3 OUTPUTS RU" 3 RU" CHANGE FROM RUN #1 5 flJ't CHANGE FROM RUN #5 RU" 11 RU" 5 1103 27 I3O 8 1OI.3 -1.11 1112.9 3.11 I.2 211.2 .7 1,118.2 -.2 -.9 -1.6 RU" 5 RU" 7 PHYSICAL U" TS (average annual output) Timber (in ou.tt.) 372 Deer (harvest 0) Cattle (AUM) Elk (harvest 0) Salmonids (Escapement numbers) 1112.11 Dollars Values (Present Net Worth) Timber Deer Cattle Elk Salmonids 31 1.9 - - 23.9 1117.2 1,1173,060 378,608 - 58 10.5 - -.2 .3 1.0 1.0 122,753 5,135 - 133,11113 -1,1111 1,986,150 1,778 - 23.7 1,118.2 - .5 0 -53 - 166,1139 1,595,813 '13,686 1,639,1199 1,230 383,7'13 -3,905 379,838 305,971 6,572 135,121 1,987,928 2,993 565 -13,I102 2,8111 - 1,678 1,778 - 132,329 1,987,928 376,1172 11,150 - 2,792 0 146 (Run 6) and an unchanged rotation (Run 5) and the relative differences between non-sustained yield a harvest policy (Run 7) and a sustained yield harvest policy (Run 5) compared under the heading "Change general, In habitat the management, policies are wildlife significant. and production between intensified intensities, harvest and The intensified management of fisheries increases from Run #5". differences management are habitat present the acreage worth net timber for of timber harvests by 8.3 percent and the present net worth of deer harvest values by 1.I of salmonjds worth magnitudes Overall, harvest of the While the present net value observed to increase and is elk 'of percent. value observed is change intensified do not management the present net to decrease, exceed of 1 the percent. wildlife and fisheries habitat acreage increases allocation total value by 3.2 percent (or $128,552). The change of management intensity from the Beuter et al. Target A levels the Beuter et al. Target B levels to increases the present net worth of timber harvests by 2.7 percent. The increased by present 2.1 percent. harvests is reduced by salmonids is net 1 value of the multiple of deer harvests is The present net value of elk percent. The present net value of left unchanged. management of study area $12,573) worth Overall, the intensified acreage increases the present net resource allocation by 1 percent (or 147 3, Collectively, Runs to which management timber compensate harvest for and 14 demonstrate the extent 5 programs intensification value producing acreage withdrawals habitat protection purposes. resulting reductions for wildlife and can from fisheries Intensified habitat timber management and increased management intensification reduce the net worth present $525,097 percent, from The planning shortening horizon increases of timber harvest (Run 3) of to $358,658 ten-decade the net values present net percent. value of deer harvests percent. increased by the present net value of elk harvests And increased by The present net 18.6 is horizon allocation all resources with the exception of salmonids. worth of timber harvests is increased by 31.7 management planning of by (Run 5). forest eight-decade an present the to losses 2.2 The 1.7 is The reduction of the present net percent. worth of salmonid escapement does not exceed 1 percent. Overall, the shortening of a ten-decade rotation length to an eight-decade rotation length increases the present net worth of the multiple use allocation by 7.9 percent (or $302 , 1 314). The deviation for the from three first a sustained-yield harvest policy decades of a ten-decade planning horizon increases the present net worth of timber harvests by 23 percent. The present net value of deer harvests increased by 2.9 percent. The present net value is of elk harvests is increased by less than one percent, while the 148 present net worth of salmonjd less than one percent. Overall, sustained yield harvest policy worth of multiple the is decreased by escapemerits use deviation the from a increases the net present resource allocation by 9.3 percent (or $385,3146). Employment and Income Forest Service administrators have traditionally been concerned with communities the and economic welfare individuals Such statements near the . (USDA, opportunities Forest concerns. requires Service, The that for . . describe National Forest evaluations of income, jobs development," Forest Management alternative resource allocations must include Forests. ., and identify community 19714) of seek opportunities for ., . development of forest based enterprises promote National as "provide public services, and amenities in rural areas and stability and Act Service of multiple 1976 use forecasts of changes in payments to local governments and estimates of employment and income impacts upon local and regional economies. Local and regional employment and income is influenced by many factors. be caused exports, inputs, by by or by a Change in area employment and income can change change a a in in the final demand availability for an area's of production change in the area's infrastructure. the major factors influencing employment and income, timber supply is subject to direct manipulation by Of only the 149 Forest Service. Because of its control over commercial timber sales and harvests, the Forest Service can have profound rate affect upon the quantity and a timber of available to local timber and wood products industries. Whether change a signifiqaritly volume harvest in affects local and regional employment and income depends First, does a harvest volume upon a number of criteria. change actually change the harvest level or only the limits on the harvest level. harvest supplied by And finally, income single agency or firm substantial. a percentage the is provided is the proportion of total Second, the by of local employment industry products forest and significant. The economy of the oregon Coast is, as a whole, quite dependent on the forest industry and upon timber supplied by the U.S. Forest Service (Hebo FEIS, 1978, Owen, 1981). Consequently, harvest volume changes may have potentially major repercussions Tables 5.314 regional in 5.35 and employment local and regional economies. the present income and the estimated impacts of' local and alternative allocation harvest volumes. Table industry simulation. employment per the average simulation annual period and forest per Table 5.35 presents the present net value of monies returned employment identifies 5.314 to levels industries and the local governments, the average annual for the and trade net present value of business income forest, service TABLE 5.31j AERA0E ANNUAL FOREST INDUSTRY EHPLOYMENT Simulation RUN 1981 1991 2001 2011 2021 2031 20111 2051 2061 2071 1 18.6 19.1 19.6 20.7 19.0 18.6 18.6 20.0 22.3 22.3 19.9 2 18.6 20.0 20.1 19.8 18.6 18.6 18.6 18.7 22.3 22.3 19.7 3 13.9 111.7 111.8 15.6 9.3 13.9 13.9 9.0 16.7 16.7 111.9 II 15.1 15.8 16.0 16.9 15.9 15.1 15.1 16.8 18.1 18.1 16.3 5 11.8 15.6 18.7 17.8 17.7 16.1 17.9 18.2 18.5 19.1 17.1 6 11.8 15.8 19.0 18.1 18.1 16.2 18.2 18.11 - 7 17.1 19.5 21.3 16.2 111.7 13.0 12.5 12.0 9.8 'Based on 7.5 Joba (baaio industry) per HNBF (Hebo, FEIS, 1978, p.57) Averae 17.0 7.1 1II.3 TABLE 5.35 TIMBER EMPLOYMENT AND INCOME IMPACTS RUN (Allocation Alternative) Description 2 3 II 5 6 7 Average Annual Jobs Supported: 1 Forest Industry Service and Trade 19.9 39.8 19.7 11$ .8 39.1$ 29.6 16.3 32.6 17. 1 17.0 111.3 3'I.2 311.2 28.6 Monies Returned To Counties2 Business Inoo.e Genera ted3 1L90'l.L.30 1t890,256 j.1123082 l5596111 l63OT0l 1613612 2±01112.990 33028,275 32777OO5 21$,677730 2j0II5±795 281116780 27982,755 3I1919777 'Based on 7.5 jobs (basic induety) job. (Hebo FEIS, 1978, p.67) per NMBF and 2.0 Service and Trade jobs per basic 2Based on a .onies returned to counties rate of 25 percent of gross stumpage values (Ilebo FEIS, 1978, p. 67) and a discount rate of 6 percent. 3Business Income Generated is 3 times the average manufactured product value of $250/MBF of logs consumed per 1972 data. 152 generated alternative by study area timber resource production levels. No attempt has been made and income impacts particular for differentiate between counties economic impacts However, because dependencies of forest Service supplied timber, employment and income volumes will differ. communities or to relative magnitude of the alternative different upon identify the employment to harvest communities industry volume different have activity levels. Forest and the severity of local community impacts alternative of harvest Given that the value of total output by the wood products sector in Lincoln County is less than that in Tillamook County, the severity of Lincoln County employment and income impacts of varying harvest levels can be expected Similarly, to be given possess only 3 less significant (Owens, that Lincoln 1981, Tillamook and p.. 57). counties percent of the regional work force, local employment and income effects can be expected to be greater than regional employment and income effects (Hebo FEIS, 1978, p. 171). An important source of coastal income is income generated by recreational activities. Forest lands of the Coast largest Range steelhead and annually salmon fisheries (Daily, contribute to the the states sport and numbers of commercial 1975) and provide important habitat for deer and elk populations. Consequently, changes in fishery and big game populations can significantly affect local and 153 regional income derived from recreational fishing and big game hunting activities. Table 5.36 presents the estimated local and regional income impacts of alternative study area allocations of deer, elk and salmonids. interretatjon of Results The results reported in Tables 5.311 and 5.35 indicate that changes forest in intensification management programs, harvest policies and management have can important effects upon monies returned to counties and upon local and regional employment and income. The withdrawal of forest acreage for wildlife and fishery habitat purposes on other than a proportional bases (Runs and 1 significantly 2) reduces monies returned to counties for all Runs except Run 7, decreases local and regional timber related employment for all Runs, and reduces local and regional timber related income for all runs except Run 7. returned to counties ranges from The reduction in monies 13 to percent. 25 The decrease in timber related average annual employment ranges from 13 to 28 percent. income ranges from 13 And the reduction in timber related to 25 percent. Run 7's accelerated harvest of timber volumes during initials planning periods increases the present net worth of timber monies returned to counties and timber related income by 5.8 6.6 (Run 2) percent. from increases decreases of of 414 (Run and 1) Deer related income differences range 11.5 to 7 to 15.2 percent percent from Run from 2. Run Elk 1 to related TABLE 5.36 NON-TIHBKR RESOURCE INCOME IHPACTS RUN (Allocation Alternative) Buatneas Income Generated' 1 2 3 Deer 67551 B136B3 Elk 2tlrj!12 276L662 753.3O 265552 Salmonida 3,O2323 393IIOS3 5 6 763L619 75587B 768956 718O66 26133Il 2689O 27'IL8117 27OO15 35jL'I3B 355971 3955911 39293O1 395323 'Business Inoome Oenerated Ia 1.99 tImes the present net worth of average annual deer and elk harvest and salmonid escapements. 155 income differences percent from Run to from increases from Run Salmonid 2. differences range from increases of 15.5 from Run of 9.2 to reductions of 7 tenths of 1 percent £1.8 range 114 1 percent related income 16.7 percent to and from a reduction or one-tenth of 1 to percent 1 from Run 2. Comparison of monies returned counties and to and regional employment and income impacts of Runs local and 3 14 identify the local and regional economic impacts associated with the increased habitat acreage moderate level management purposes for of of related employment percent. Deer 1 timber of riparian production management withdrawn increases percent. management and returned timber harvest timber for at income a Intensified production counties, to related related wildlife purposes intensity. acreage monies and income timber by increases 9.6 by 1 Elk harvest income is 'reduced by eight-tenths of percent. Salmonid related income is increased by less than one-tenth of 1 percent. The effects which change a in intensification can have upon monies returned and local and regional employment determined by comparing Runs 14 and 5. and management to counties income can be Increasing the level of management intensification from the Beuter et al. Target A levels timber to monies the Beuter et. returned to al Target counties employment and income by 5 percent. B and levels increase timber related Elk related income is 156 increased by 2 percent. by less Salmonid related income increaes than one-tenth of generated business income while deer harvest percent, 1 reduced is by percent. 1 The reduction of deer harvest related income is consistent with empirical findings that clearcuts support greater deer populations than do thinned stands. An indication of the which effects a change of rotation length can have upon monies returned to counties and local determined and regional comparing by income Runs 5 employment and and can be Shortening 6. the rotation length from 100 years to 80 years reduces monies returned to counties and timber related income by less than 1.6 percent, percent, percent. timber and related salmonid employment related Conversely, less by income less by shortening of rotation the than 1 than 1 length increases deer and elk generated business incomes by 1.7 and 2.2 percent respectively. The effects which a change in harvesting policies can have upon monies returned to counties and upon local and regional employment and income can be determined comparing Runs 7 and 5 and Run 7 and Runs 3, 7 and 5 inventory, comparisons rotation intensification. Run indicate length 7 and impacts and Runs of level 3, indicate income and employment impacts 4 and and 6. by Run an unchanged of management 6 comparisons for differing levels of management intensification, a shortened rotation length, and an unchanged inventory. The specification of target 157 harvest volumes 25 percent greater than the even-flow of volume values of' Run 5 for the first three planning periods of Run 7 increases monies returned to counties and timber generated business income by 23 percent over Run 5 levels. While the average annual timber related employment 7 of Run is 16.2 percent less than the average annual employment value of Run 5, the average annual employment for the first three periods of Run is 7 percent greater 25 than the average annual employment of the initial three periods of Run 5. The accelerated harvest of timber volumes during initial planning horizon periods increases deer harvest business generated income by 3 percent, elk harvest related income by four-tenths of generated business percent and 1 income by less reduces salmonid two-tenths of than 1 percent. The specification of target harvest volumes 25 percent greater than the even-flow of volume values of Run the initial planning periods of Run increases 7 5 for monies returned to counties and timber related income over Run 3, 4 and levels 6 respectively. by While 29.2, ZI1.6, the average and annual 2LI.9 percent timber related employment of Run 7 is 3.7 percent less than Run 3, percent less than Run 14 and 13.6 18.14 percent less than Run 6, the average annual level of timber related employment for the initial three periods of' Run than Run 3, 23.6 7 percent greater percent greater than Run 6. Run 7 is 33.5 percent greater than Run LI, and 19.14 deer harvest business 158 generated income is 3.2 percent greater than Run Run 7 percent and 14 1.6 percent greater is 2.5 percent more than Run 3, 1.8 1.2 percent more than Run 6. elk harvest related income than Run 3, Run than more 1.8 percent and 24 less than Run 6. Salmonid income difference between Runs 7 and Runs 3, 6 and II are less than one percent. The economic impacts presented in Tables 5.324 - 5.36 identify likely the affects area study alternative of forest management programs, management intensification and harvest policies upon monies returned to counties and local and regional employment and income. The extent to which an area or region's economy is adversely affected by changes in harvest.volumes or non-timber resource production levels is dependent many upon Although variables. timber resources may provide the primary source of employment and income of an area comparable or of vitality of would be an lost and secondary production levels. importance to may the be reduced timber and The manner in of economic not all such employment and area, by resource non-timber income non-timber resource which the timber and recreation sectors adapt to future output levels will have a tremendous impact on the local economy. Additionally, the vitality of the other basic sectors of the economy will play an important role in formulating future changes in the economy. For the purposes of the analysis, the local and regional impact of dollar of business income generated by 159 big game hunting and fishing activities was equated to dollar generated by timber industry. the a the extent To that timber and non-timber business generated dollar values are not equal, the significance local of alternative multiple use resource allocations are incorrectly estimated (Ridd, 196)4). Thus far, multiple discussion the resource use of simulated allocations study area considered has the economic impacts of alternative management strategies or resource allocations While estimated valuations, separately allocation monies resource returned to physical from impacts. production, counties, output employment and income impacts occur at different points in time, physical and economic impacts are assummed to occur concurrently for analytical purposes. Table summarizes 5.37 estimated the physical and economic impacts presented in Tables 5.11 - 5.2k and Tables 5.26 - for 5.36 resource simulated the allocations. study Comparison area of the multiple use alternative multiple use resource allocations presented in Table 5.37 identifies the selecting one physical and economic consequences of study area management strategy or multiple use resource allocation which excludes study area cattle grazing grazing. 5.37 over another or others which exclude cattle The absence of cattle grazing figures in Table reflects the restriction of resource allocation presentations to only those alternatives with the greatest TRIILE 5.31 PHYSICAL AND ECONOMIC IMPACTS OP AI.TERN&TIVE STUDY AREA MULTIPLE USE RESOURCE AI.I.00ATIONS MULTIPLE USE RF..SOURCE AllOCATION DESCRIPTION 2 I 1* 3 6 5 7 Ti MO ER Production (average annual) MOrE HCUFT 2,650 2,650 1196 i .900 312 7,170 1196 1103 1130 '*38 Present Net Ih,rth' 1.910 311 2,011,21111 1.998, 157 1,595,813 Return to Counties (INN) Jobs supported'' Forest Industry Servioe & Trade''' Business Income Generated (PNW) 1.473,060 1,639,1199 1,9115,1170 1,9011,630 1,890 256 2,015,971 1,1123,082 1,551,61*1 1,618,701 1,613,672 2,0111,990 19.9 39.8 33.020,275.0 111.8 19.7 39.11 32,779,005 2.200 16.3 32.6 2,260 17.1 17.0 111.3 29.6 311.2 211,677.730.027,0115,795.020,1116,780.0 311.0 27,982,755.0 20.6 311,919,777.0 1139.3 11111.6 11*6 .3 386 , 11 10 1117.1 390. 9 88 760,956 778,066 DEER Production Gralng Potential (0.1.) Harvest Potential (33.3$ UP) Present Net WorthllC Business Income Generated (INN) 383.11 1161.0 1127 .6 127.7 153.8 *112.11 339,1173 1108.686 370,600 675,551 813,683 753, 11 30 1133.11 11111.3 1129.0 1112.9 383,7113 763,6119 379,838 755,870 133,1111 3 110.3 23.1 132,329 211.2 135, 121 138,1111 135 .686 265,552 261,3311 260,890 2111,8117 210,015 1,118.2 1,987.928 3.955.917 1,118.2 1,981,928 3,955,977 CATTLE Production Present Net Worth Business income Generated (PRy) ELK Production Grazing Potential (0.1.) Harveat Potential (20$ 0.P.) Present Net Worth''' Buaineee Incoae Generated (INN) SALNONIDS Production Eseepeaent Potential Present Net North Business Income Generated (PNW)''' SPOTTED OWL Habitat average Number of paLr, DALD EAGLE Habitat average Number of paIrs '' '00.6 21.1 121,162 2111,112 1211.3 211.9 139,026 276,662 119.11 23.9 1,112.0 961.7 1,709,710 1,976,911 1,117.2 1,986,150 3.1102,323 3,9311,053 3,952,1138 0 300 300 0 0 0 0 110 300 120.8 121.6 1211.3 24.9 1,110.0 9711,526 3,929.307 24 . 3 116.6 1,985,087 3,950,323 300 300 300 110 110 110 I 110 40 I 0 based on a monies returned to counties rate of 25 percent of gross st.Iapel'.e values, stuiepage valued a 81*73/liD? (limbo PEIS, 1*978, p.67) end a dineoupit ,at 01 1 6 percent. based on 7.5 fobs (basic industry) per MHDF and 2.0 service sod trade jobs per basic job (111.11*0 1.1.13, 1978, p.61) Tiaber buines income genera Led iv 3 times the average sanu fac Lured prodact. vs lue of 5250/MOP of logs consumed per 1972 data discounted at 6 percent. Deer, elk, and ealmonid business incomC Cencratod is 1.99 t!n,es the preseol net worth of harvested big gnm. animals and salmo,,Ids (Rvhdy sod l.ovegrove, 1970). 161 present net worth. At current grazing rates, present net worth gains associated with alternative levels of cattle grazing intensities are greatly outweighed by present net worth losses associated with reduced salmonid escapements (Table 5.31). elk harvests and 162 Summary and Conclusions VI. Introduction Forested excellent watersheds examples of Oregon the multiple of Range Coast resources. natural use are Coastal forest lands simultaneously supply resource outputs such as recreation, wildlife which independent timber, interrelated are complementary and relationships. Forest through physical multiple fisheries range, water, use and competitive, biological and while resources, abundant by many standards are indeed limited. As a result choices have to combinations of be regarding made forest multiple use the levels resources to and be provided. The economic criterion for maximizing the returns from f6rest that marginal land outputs value well-known prescription the is products should be equal for all resource outputs. However, serious problems are encountered in allocating forest multiple use resources because the dynamic and complex biological and physical relationships between and among forest land renewable surface resources are little understood and the extra market nature of various multiple use resources produces an absence of data regarding resource values and provision costs. Research Summary The stated objectives of this research were: (1) to define an analytical framework which facilitates allocation 163 decision-making regarding multiple use resources and (2) to test the methodology for operationality, analyze results and evaluate model performance. Criteria were the need to specify little understood complex and dynamic multiple use resource production simultaneously relationships and consider to large number of management alternatives a for alternative planning horizons using a heterogeneous set of resources. provided by Joint production forest a theory simulation information and system was used to construct the analytical framework. The analytical approach was tested on the upper middle portion of the Drift Creek Watershed located within the Hebo Ranger District of the Siuslaw National Forest on th Oregon Coast Range. Managed accordance in with the provisions of the Multiple Use-Sustained Yield Act of 1960, the Resources administered Planning Act provide to including timber, range, 1976, of numerous water, the multiple watershed use recreation, is resources wildlife and fisheries. For the purposes of the study, the consideration of study area multiple use resources was limited to timber, deer, elk, cattle grazing, salmonids, bald eagle pairs. Area timber and spotted owl and yield information was obtained from Forest Service personnel and planning unit documents. Data describing the non-timber multiple use resource joint production relationships were obtained from Forest Service documents and personnel, from other Forest Service published planning sources. unit Non-timber 164 multiple use resources joint production relationships for deer, cattle elk, grazing salmonid and were fisheries expressed as annual production coefficients per acre and as functions forest of coefficients for stand cattle deer, production Resource age. identified elk and the maximal stocking rate allowable without causing damage to forage and timber resources; identified salmoriids production coefficients escapement annual numbers for fish. of Non-timber resource productivity parameters were combined harvest volume TREES with inventory timber and data to project study area multiple use resource allocations for seven forest management strategies. The study area resource production estimates, resource value projections and employment and income impacts of' the simulated resource allocations were compared with estimates reported Forest in presented production in Service various Planning for documents studies. empirical projections Unit timber, area Study cattle, or elk and salmonids were found to be comparable with results reported in Hebo alternative Planning Unit empirical documents studies. harvest potential projections and Study for area deer were presented grazing found to in and be significantly different from U.S. Forest Service estimates, but were found Hines to (1973, 1975) be consistent with finding reported by and Sturgis (1977) for forest areas with comparable physiographic characteristics. 165 Study area multiple use resource production values for timber, salmonids consistent with found reported valuations resource were grazing cattle and be to Forest in Service documents and presented in published multiple use resource valuation studies Gibbs, Queirolo, Lomnick, (Brown, 1979; 1982; 1978; Mathews Flebo, FEIS, 1977; 1973; Statistical Reporting Service, and Brown, 1975; Everest, and USDA, 1976). Study area resource allocation values for deer and elk were found to be significantly different from the gross expenditure values derivable from area Planning Unit documents 1978, p.161) but were (Hebo FEIS, consistent with big game valuation game studies Nawas be 1973; Stevens, and 1981). Gibbs, Queirolo, Lomnicki, 1979; Shallof, to in various big values reported (Brown, found Study area allocation resource production value projections were found to significantly be different Service Forest from estimates. Resource production values were projected all area study resources and reported in terms of for the present net worth of the average annual net resource values discounted at percent; Forest Service documents provide 6 resource production expressed in terms timber only average annual current gross estimates value of the for values. Study area timber related extension returned projections income values to of and utilized counties, monies returned employment to timber derive to utilized Hebo production counties, same the FEIS monies employment, and 166 generated business income figures. Study area allocation economic impact projections include forecasts of deer, elk, and salmonid business Planning Unit incomes documents. absent Forest in multiplier used The to Service project non-timber multiple use resource business income was found to be consistent with multiplier values reported by Rohdy and Lovegrove (1970), Rompa (1979), and Youmans, Rompa, and Ives (1977). production monies As was values, returned the case with multiple use resource study to area counties, allocation projections elk deer, timber, of and salmonid business income impacts were reported in terms of net present values while identified planning unit economic impacts were reported for timber only in terms of average annual current dollar values. Research Conclusions Study area multiple use resource output figures, production values and economic impact estimates were found to provide several advantages over Forest Service projections. resource production estimates are reported for all First, study area multiple use resources and are presented on both an average annual bases for allocation planning horizons and on an average annual bases for allocation planning horizon decade-periods. projections are Secondly, presented allocation for all resource considered study value area multiple use resources, are reported on an average annual bases for planning horizons and planning horizon decade- 167 periods, and are reported in terms of net present values. Thirdly, study area business income economic forecasts projections impact area study considered all for include multiple use resources and all income and monies returned to counties values are expressed in terms of net present values. An Appraisal of the Research The purpose of this analytical framework useful research to was to develop managers of multiple an use A model may be considered useful or successful resources. on the bases of several'criteria. First, the formulation shuld be consistent with available information. Secondly, it should provide greater insight and understanding of the phenomona being investigated than do alternative models. And thirdly, future the model occurrences, should be particularly capable of projecting ocnditions under that differ from the past. The analytical framework employed in this study was developed after an extensive examination and evaluation of available information. Study area resource joint production potentials were production levels found to presented be in with resource Service planning consistent Forest documents or reported in comparable area studies. traditional forest management models which Unlike restrict consideration to impacts upon timber yields, the developed framework simultaneously considers the impacts of forest 168 management programs, management intensities harvest and polices upon an array of multiple use resources. The model transforms several sets of complex resource relationships which form a forest ecosystem into a few sets of allocation alternatives which evaluation. The output levels themselves lend to examination and analytical framework forecasts resource throughout any specified planning horizon. Timber and non-timber resource production coefficients can easily be adjusted to reflect new of differing information. And the inherent of TREES flexibility provides for the projection of multiple use resource allocations for a wide variety of forest management strategies. Management information certainly should planning process. to forest be the beneficial managers framework such use the to as and this obtaining results from the model. multiple type above presented forest management One of the benefits expected to accrue resource analytical of resource data to planners, one, is using incidental an to The methodology requires be assembled. simple The process of data assembly may reorientate thinking away from the more tradtional forest management emphasis upon timber production and towards the management of a forest area for multiple use compilation resource of purposes. multiple use The collection resource and information contributes to the determination of the real but unspeci- fled multiple use and sustained-yield relationships among forest renewable resources as required by Section . (5)(A) 169 of the National Forest Management Act, 1976. The analytical framework identifies dynamic resource changes supply associated with alternative forest management strategies, providing forest resource supply mandated by managers resource resource product-product and Sec. planners and information National Forest Management the of 2(1) with Act, 1976. The applicaiton of analytical the framework the to Upper Middle Drift Creek Watershed appears to successful. physical and methodology projected The the have been economic consequences of seven alternative allocations of study area eagle timber, and spotted owl salmonid cattle, deer, resources. Other fishery, results bald can be derived by utilizing different sets of production data and forest management strategies. Several framework disadvantages stem from of data its using analytical the requirements. First, the complex and dynamic relationships between and among forest land renewable surface resources are lj.ttle understood and have received 1976; Teeguarden, product quantitiative consideration 1977). Ecosystem data or (Davis, resource data, if available at all, are generally of poor quality. to little Secondly, large quantities of data were required simulate Watershed fisheries. conditions for timber, on the deer, Upper elk, Middle cattle, Drift and Creek salmonid To derive non-timber resource output figures for each of the considered allocation alternatives required 170 the multipication of a 336 element matrix by a 2140 element matrix. expansion The of framework analytical the to consider all possible multiple use resources of the study area would necessitate the collection of gargantuan amounts of data and manipulation the matrices of tremendous of proportions. Third, project joint production coefficients utilized the allocation output identified figures resource annual production averages in the analysis to expected rotation decade- for periods and were presummed to be deterministic. was made to No attempt consider important risk and uncertainty issues associated with the long-term nature of the forestry production process. not address policy Moreover, this thesis did implications resource average output marginal resource productivity associated figures as substitute a values. using with for marginal Without values, however, there can be no guarantee that resources will not be allocated inefficiently. In addition, the problem identifying of the appropriate social values and costs for nonpecuniary forest land outputs framework is difficult indicates the allocation alternatives, of multiple use at The best. consequences of analytical selecting among it does not indicate what levels resources society prefers or whether society's willingness to pay for a particular multiple use resource is as large as the opportunity cost of providing the resource. Resource and discount rate values used in 171 this analysis were a representative sample of valuations utilized in non-marketed forest land resource studies. No attempt was made to evaluate one resource valuation In the case of figure as superior to another or others. the interest rate employed in the analysis, no attempt was made differentiate between real to and nominal rates of interest or between individual and social time preferences. Consideration of disadvantages and problems associated with this other and approaches deferred is subsequent to research. positive the On obtained from this side, quality the justifies applicaiton trial information of a considerable amount of optimism regarding the expansion of the analytical framework to include additional multiple use resources and the application of the model to additional study areas. Multiple use resources of the Upper Middle Drift Creek Watershed have been placed in economic perspective and economic values and impacts associated with some multiple use resource trade-offs have been identified in the course resource of investigating alternative multiple allocations. constructed which An provides informational forest base resource has managers use been and planners with an opportunity to estimate the physical and economic consequences of forest management strategies and to revise manner. those estimates in a relatively inexpensive 172 BIBLIOGRAPHY Adams, D. 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USFS Contract 12-11-204-3. Natural Resource valuation--The Conceptual and Operational Basis for Economic Analysis in a Multiple Use Context. Economic Research Institute and Department of Forest Science. Utah State University, Logan. Whitmore, C. M., C. E. Warren and P. Doudoroff. 1960. Avoidance Reactions of Salmonid and Centrarchid Fish to Low Oxygen Concentrations. Transactions American Fisheries Society 89(1):17-26. Witmer, G. W. 1981. Roosevelt Elk Habitat Use in the Oregon Coast Range. Ph.D. Thesis. Oregon State University, Corvallis. 100 p. Worley, D. P. 1965. The Beaver Creek Pilot Watershed for Evaluating Multiple-Use Effects of Watershed Treatments. USDA, Forest Service. Rocky Mountain Forest and Range Experiment Station. Research Paper RM-13. APPENDICES 205 APPENDIX A Management intensification information used in the analysis and TREES simulation runs. 206 The purpose of appendix this is identify to the management intensification assumptions used in Chapters IV and V. The assumptions of the three levels of management intensification (Current, Beuter et Target al., A and Target B levels) considered during the course of analysis are defined below. Percentage Distribution of A1res in the Regular Acreage Class by Management Intensity, Currently and for Two Projections* Upper Middle Drift Creek Watershed Management2 Intensity current3 Target A 1975-2005 2005+ Target B5 1975-2005 2005+ 2 19 3 'H - 13 13 18 - 5 5 16 16 61 33 5 33 5 22 2 2 98 98 6 7 - 1Management intensity is assumed for all acres in the special land class. When managed for timber, outside acres are brought into the producing acreage class in the same manner as that class. 1 2Management intensities are defined as follows: MI-i is softwood species type with no management intensification. The basic yield function for the appropriate softwood species applies for this 207 except that yields are reduced for environmental reasons. Reductions are accomplished by the imposition of more sever ending conditions for the projection than are used for which implies longer much MI-3, rotations for MI-i. MI, MI-2 is softwood species type with no management intensification. The basic hardwood yield function applies. MI-3 is softwood species type with no management intensification. The basic yield function for the appropriate softwood species type applies for this MI. Growth is adjusted to take into account the present stocking of the stand relative to the basic (standard) yield function. is softwood species type, including commercial thinning. The thinning rules for this analysis are: (A) Only acres that are greater MI_14 than or equal to 70 percent stocked compared to the basic yield function (MI-3) are eligible for thinning, provided the timber is between ages 35 and 95, inclusive for the low and very low site classes (see footnote, No. 3, Table Al for site class definitions); (B) Volume to be .removed in thinning is determined such that the stand after thinning is 60 percent stocked compared to the basic after yield function, or such thinning has 67 percent that the stand of the before- thinning volume per acre, using whichever leaves the greatest volume per acre in the stand after thinning; (C) If the thinning volume calculated as above is less than 800 cubic feet per acre, no thinning occurs. Growth after thinning is calculated as 90 percent of gross growth (the basic yield function mortality). plus (MI-3) When no thinning occurs, growth is calculated as for MI-.3. MI-5 is softwood species type, including stocking controL (precommercial thinning) and commercial thinning. Stocking control is assumed to occur at age 15 for the high and medium site classes, and age 25 for the low and very low site classes (see footnote Table Al for site class 3, definitions). At the time of stocking control, the basic yield function is shifted such that yields occur earlier as follows: For high and medium site classes, shift basic yield function such that comparable yields occur 5 years earlier 208 than for the basic yield function (MI-3); for low very low site classes, shift basic yield function such that comparable yields occur 10 years earlier than for the basic yield function. After stocking control occurs, the thinning rules for MI-Il apply, except that the inclusive ages are 25 to 95 for the high and medium site classes and 35 to 105 for the low and very low site classes. Growth after thinning is calculated as percent of gross MI-5 growth (MI-5 yield 90 function, plus mortality). When no thinning occurs growth is calculated as for MI-3. and MI-6 is softwood species type, including stocking commercial thinning and fertilization. This management intensity is basically the same as MI-5, except that fertilization is assumed to control, occur the raised by yields are For the high site following specified amounts: class, MI-6 yields 1.10 x MI-5 yields; For the medium site class, MI-6 yields 1.15 x MI-5 yields; for the low and very low site classes, MI-6 yields 1.20 x MI-5 yields. For this analysis, fertilization is allowed only between the following ages: For the high and medium site classes, ages 15 to 75, inclusive; for the low and very low site classes, ages 25 and 85, inclusive. Thinning rules and growth is assumed for MI-7 compared to MI-6, higher yields can be expected because M1-7 is accompanied by more optimistic regeneration assumptions. That is, it is assumed that regeneration lag is less, the failure rate for regeneration is less, higher stocking levels are attained, and fewer acres revert to hardwoods for MI-7. that such 3The current distribution of acres by management intensity reflects the starting inventory as of 1976. Target A distribution was intended to be a moderate, attained movement from current management likely-to-beintensities. 5Target B distribution is represents an extensive movement a high distribution and from current management intensities. *Adapted from Timber for Oregon's Tomorrow (Beuter et al., 1976). 209 APPENDIX B Research studies considering the impacts of forest management activities upon deer, elk and anadromous fishersy resources. 210' This appendix contains a summary of research regarding the impacts of forest management activities production of non-timber resources. impacts the of forest the on Studies considering management activities the on population levels of deer, elk and anadromous fisheries are reviewed in the following pages. Deer and Elk Forest land is the principal source of deer and elk 1968). habitat (Hall and Scott, and with elk three Forest stands provide deer essential habitat requirements: 1) security from predation and harassment (hiding cover); modified more and favorable cover); and 3) forage. weather regimes 2) (thermal No one forest stand must supply all three habitat requirements. However, the array of forest stands within the respective home ranges of the ungulates must provide otherwise Lynch, forage, deer and and McGills, hiding elk cover, will 1976) abandon modify or and the thermal area their distributional pattern (Grace and Easterbee, cover, (Stelfox home range 1979). Deer and elk populations are directly related to the condition of their habitat. range, with necessary to sufficient maintain Adequate conifers herd to size. summer and winter provide Forest cover, are management activities and their timing directly influence the quantity and quality of big game forage, hiding and thermal cover. 211 Of forest management activities, harvesting have been those related identified to having as timber most the significant influence on deer and elk habitats (Lemos and Hines, 197k; Lyon, 1979a). method The of timber removal and treatment slash influences the subsequent quality and quantity of deer and elk habitat comparison (Hines, of big 1973; game Lemos use of Hines, 197'). A selectively logged and and clearcut areas in the Coast Redwood Forest and Douglas Fir regions of Oregon revealed clearcuts--where (Campbell and forage Evans, that game occurred 1980; Harvesting methods such as in Lemos use was greater in greater and abundance Hines, 197LI). skyline operations limit soil disturbance and reduce understory vegetation removal. High lead and tractor logging operations usually create a wide range of soil disturbances of varying degrees of severity. The more varied the soil disturbance, the mor subsequent vegetation responses. varied the The more severe the soil disturbance, the greater the delay in the establishment of woody species. Morris (1970) observed that slash burning delayed brush development for several years and promoted muah vegetation variety. New and brushy clearcuts are important forage areas for deer and elk (Gibbons and Salo, 1973; Lemos and Hines, 19711). 1966; Clearcuts provide more preferred forage Cowan, 19115) (Bailey, and assuming they remain uncovered by snow, higher quality forage during all seasons (Rochelle, 212 1980). Preferred forage production usually peaks between and years after harvesting 30 1979; Lemos and preference (Bailey, 1966; Harestead, 1979; Taber Hines, 19724; Taber, While deer demonstrate 1980). Rae deke, between new and special no elearcuts, brushy or 24 brushy clearcuts are the foraging areas most commonly utilized by elk 1971; Janz, (Harper, 1980; Jenkins, 1980 and Wilmer, 1981). Clearcuts temporal The and spatial distribution of affects the quality of deer and elk habitat. olearcuts Consecutive cuts produce sub-optimal big game habitat unless earlier adjacent clearcuts have developed sufficient create an edge bordering the newer clearcut. Hines (19724 p.13) report that the cover Lemos and optimal clearcuts deer populations are rectangular designs no more than 50 acres size. in For maximum utilization to the for 240 - authors suggest that the width of the c].earcut should not exceed 1,200 - 1,500 feet. Long and narrow cutting designs were observed to provide a greater edge and benefit more deer than were designs having a circular or square configuration (Lemos and (1981, p.148) Roosevelt elk more heavily utilized forage Hines, observed that 19724 p. areas where cover was nearby. elk have demonstrated 124). Witmer Studies of Rocky Mountain increased elk sensitivity to disturbance and harassment when less than two-thirds of an 213 area was in 1975; 1979a, forest cover (Basile and Loriner, 1979b; Lyon and Jensen, 1980). 1979; Lyon Harper (1971) found that Roosevelt elk use was reduced 55 percent when timber adjacent to (1981, recommends p. 28) areas was forage that harvested. clearcuts optimal Roosevelt elk utilization should be acres or of a shape which maximizes Witmer designed for less than edge habitat 18 (i.e. cover is within 960 feet of any point of the clearcut) Logging activities, road construction and road traffic While deer respond rather indifferently to the timing and intensity of logging and road construction activities and to road traffic, elk exhibit harassment and avoidance responses (Gibbons and Salo, 1973; Lemos and Hines, 197k). Lyons (1979a) reported that second to weather, the timing and intensity of logging activities is the most important determinate of elk distributions. identified manipulating Pederson, as :Logging Roosevelt et al. (1980) most the elk Lemos and Hines (1975) habitat found: (1) important in western activity Oregon. no summer elk use of newly logged areas during the summer of logging activity or the following year, after logging, and logging. Lyon (2) limited elk use the second summer (3) preferred use the third year after (1975, 1979a, 1979b), Marcum (1975), and Ream (1973) observed that elk avoid logging areas from one month to two years after the cessation of logging activity, relocating one to five miles from active logging sites with 214 greatest disp:Lacement associated with highly visible ridge line logging operations stands or having thirds of the area in forest cover. elk moving back to Beau logged winter range site within two a In sale area activity minor prolonged, not avoidance were two (19714) reported days after the logging ended. was than less recorded by recoveries (1979) Lyons where logging as an from elk immediate response to the removal of men and equipment (Hyde-Lupine, 1975; EdsCreek, 1976; Lion Creek, 1977). The directly construction of roads affects removing by elk in habitat productive possible two ways: and 1975; indirectly by creating a disturbance factor (Compton, 19714). Perry and Overly; Rost and Bailey, road bed width, roads remove production for 2.7 Depending upon to 14.1 acres of land fom 1979). each mile of road (Pederson, et al, (1977) stated that roads permanently remove Sidhu and Case 5-10 percent of the productive cutover area from production at the time of first harvest and that subsequent harvest could increase this loss. that during adjacent to road the Pederson et al., construction elk disturbance area avoided for a (1979) found using habitat distance of 820 feet. The extent to which roads may reduce elk use of adjacent habitat varies by season and according to the size and the location of the road, traffic intensity, and cover availability. Rost and Bailey (1979) demonstrated that elk more actively avoid paved and gravel roadside habitat than 215 primitive road habitat. that present Pederson et al., research effectiveness is data reduced by indicates 69 (1980) that reported habitat elk percent where one mile of primary road and one mile of secondary road per square mile of habitat is open to traffic. found elk avoid that Hershey and Leege (1976) primary and distance of 1,320 feet. secondary Perry and Overly roads (1977) for a observed that elk use up to one-half mile from a road edge increased 15 percent paved for roads, 108 percent secondary for roads, and 33 percent for primitive roads. Compton (1975) recorded that elk observed in the open respond to vehicles up to one-half mile away. Beall (197L) reported that elk avoided primitive spur roads and jeep trails with little traffic found only that during hunting the elk were more Marcum seasons. tolerant of roads July, increasingly intolerant from August to more tolerant again in November. Roby Marcum (1975) June in and October, and (1975), Gruell and (1976) and Schoen (1977) concluded that elk do not avoid primitive roads, they avoid human activity on road ways. Management Intensification The management of public forest land characterized by management utilization practices regenerations, eugenics). the The stocking ultimate (shorter control, influence is increasingly. intensive of rotations, fertilization of intensive forest rapid and timber 216 management is yet unknown; to date, no stand of intensively managed Douglas fir has completed a rotation (Campbell and Evans, The length of the growth cycle, 1980). the speed with which cutover lands are reforested, stocking control, fertilization, and eugenic activities will all have effects 1973). on future big game numbers (Hines, Shortening the rotation period increase annual will harvest acreage and the proportion of forest area in the earlier stages of forest succession (younger age classes). Theoretically, increases in annual harvest acreage should provide increased Lawrence (1969) estimated that shortening the rotation of Douglas fir from forage 80 capacity for deer. and to 14Q potential deer for elk. and years may double the carrying In practice, however, shorter cycles silvicultural activities designed accelerate tree to growth early in the rotation period reduces the number of years a cutover is in maximum forage production and reduces the maximum carrying capacity that can be attained (Hines, 1973; Lemos and Hines, 19714). Stocking control activities designed density promote and conditions for commercial optimal timber to reduce production improve the production of big game forage. thinning increases forage tree Pre- potential during earlier age classes; commercial thinning stimulates forage production influence in the later age ultimate Factors classes. impacts of that stocking will control activities upon big game forage production and utilization 217 include tree composition stern density, size, of the forage location, stand vegetation stocking control activities (Hines and species timing the of 1973, Gibbons and Salo, 1973; Witmer, 1981). The application of fertilizers and the utilization of superior planting stocks are management practices designed to accelerate acceleration of forage growth stand and forest canopy productivity development. reduces closure potential. Any The area's an beneficial initial responses of big game forage to fertilization may very well be overshadowed by a more rapid decline forage in production caused by the accelerated closure of the forest canopy. The actual and ultimate effects of fertilization and eugenics on big game carrying capacities are yet to be fully investigated (Hines, 1973 p. 41; Campbell and Evans, 1980, 59). Fisheries Timber management activities which physically modify the aquatic environment directly influence the hydrological and biological components of a stream Forest system. management activities are highly compatible with increased water yield but not compatible with water quality (Goodell, 1971; Lynch and Sopper, 1970). the simultaneous totally production of compatible activities, mutually exclusive (Everest, It is well documented that timber but and fish neither are are not they 1981; Gibbons and Salo, 1973; 218 1976; Lantz, 1971). Harr, forest management a review of the effects of In activities (1973) production, Gibbons and Salo derived inconclusive results, resource fishery on found that 63 articles 95 discussed adverse logging practices or the mitigation of adverse logging practices, 10 were indeterminate harvesting upon as fishery effects the to resources, timber of seven presented quantitative evidence of the detrimental impacts of timber harvesting evidence upon fisheries supportive of production, and proposition the advanced five timber that harvesting is beneficial to fisheries production. Habitat requirements of populations fishery are species specific, vary.ing with the season of the year and the stage of life the cycle, and are related stream to sediment, stream flow, debris, stream temperature, surface and intragravel b ioma ss and dissolved size of streamside oxygen, aquatic cover, invertebrates, and structure and biomass of fish populations (Everest, 1979). Reiser and Bjornn, 1966). and Moring and Lantz certain parameters populations while are anadromous Hall and Lantz (19714) by salmonids 1972; Kiefling, (1969), Lantz 1972; (1970) have demonstrated that within cutthroat altered 1981; to aquatic changes than are anadromous salmonid species (Giger, 1965; the Research has shown that trout species are more susceptible Lowry, the trout forest species (Salmo harvesting are not. clarki) activities Because cutthroat trout and other salmonidae species are separated 219 by narrow environmental tolerance limits, Moring and Lantz (19714) recommend cutthroat that can trout be useful a indicator species, "change in cutthroat populations can be an indication imminent of changes salmonids." other in 19714, p. 214). (Moring and Lantz, Sediment Of all fishery populations, factors influencing the bedload sediments are the most detrimental: fill gravel restricting and reducing dissolved and oxygen intragravel waterfiows quantities incubating to (2) deposited sediment can physically prevent fishery ova; (3) sediment reduces food resources by fry emergence, and filling inter (1) sediments gravel substrates intensities aquatic, for communities (Anon, instable promoting and invertabrate, perphyton and 1970, Brown and Krygier, 1970. Gibbons and Salo (1973) reviewed over 25 articles on the impacts of forest operations (timber harvesting, timber yarding, disposal slash environments activities the sedimentation. road concluded and are and primary Swanston and building) source construction road that stream increased of Swanson stream on (1976) found that stream sedimentation associated with roads was 25-314 times greater than areas. Yee stream and sedimentation Roelofs (1980) in unroaded observed that forested while the incremental sediment contribution per unit area from roads is often many times that from all other forest management 220 activities, both roads and harvesting operations appear to contribute sediment based on total area. material debris and 1972 found that stream Rice et al., sediment is generally proportional equally nearly the amount of base to soil exposed in a watershed. Streamf low management Forest quality and alter activities quantity, the timing of streamfiow from a watershed. magnitude of change in streamflow varies with the and the 1978; Douglas Fir Supply Study, 1969; Gibbons and 1973; less than skid season intensity and type of forest management activity (Beschta, Salo, The Barr, 1976). (1976) reported that, Barr "If 10% of a watershed is in haul roads or tractor decreases roads, summer in slows increases or in 1976 p. damaging winter flood flows will not occur." (Barr, 10). Streamflow regulates velocities of a stream. migration create (Thompson, water abilities spawning streamflow area 1972); 1973; Watts, 1973). quality of spawning, (Gangmark and Broad, too that available (Fry, depth and water Too little streamflow can inhibit velocities (Bell, water the is great may exceed 19724). fish The controlled by Fry, can swimming quantity of amount of the Stream velocities regulate incubating and 1956; streamfloj a the rearing environments 1973; Thompson, 1972). 221 Debris The accumulation of debris material in streams can be either beneficial or detrimental populations fishery to depending upon the stream size, the size, quantity and rate of debris accumulation and the species of fish (Everest and 1981). Meehan, Large debris accumulations in medium sized streams (thi:rd and fourth order streams) provide cover for 1971; Hall and resident trout and anadromous fish (Narver, 1975), Baker, create habitats (Swanson 1975; Swanson 1978). Lienkaemper, can inhibit or Massive prohibit the flooding bank erosion (Helmers, channel and 1966). 197k) instability debris Dislodged debris migration anadromous fish (Homiman and Evans, 1964; Meehan, intensify for 1975; 1978) and stabilize stream beds and and Lienkaemper, accumulations rearing and 1979; Bustard and Narver, salmonids (Baker, banks spawning of and during can scour streambeds thereby removing cover and gravel and altering stream morphology (Everest, 1981). Increases in concentration of small debris in streams can enhance food supplies (Cummins, however, if 19714; Swanson excessive, small and debris accumulations potentially toxic estuaries (]3uchanan, et al., lachates, can 1969) and particularly in reduce dissolved oxygen levels (Hall and Lantz, produce 1975) Lienkaemper, 1976). Natural accumulation of debris in streams is slow and fairly constant in mature forests, and eventually moves 222 towards an equilibrium between the rate of increase and the rate of biological and physical processing stands (Sedell Triska, and in old growth management Forest 1977). activities change the rate and size of debris accumulations in streams. The magnitude depends change of upon the timing, extensiveness and the type of forest activity and the topography pre-existing and 1981, (Everest and Meehan, Harr, conditions 1976). the of area 1esearch indicates that the rates and magnitudes approximately equal to the natural rates quantities and magnitudes and 1976; Moring and Lantz, hundreds of times greater (Harr, 19711; Swanston, rates to 1980; Swanston and Swanson, 1976). Temperature Stream temperature environmental Unusual factors temperatures patterns (Bell, Brown, 1973; Moring incubation success (Brett, vegetation is one influencing influence the of most populations. fishery residency important and migratory 1973), dissolved oxygen levels (Braizer and (Reiser and Bjornn, survival is and Lantz, 197!) disease incidence 1979), spawning activity (Bell, 1973), Reiser and Bjornn, 1952; removed, McAfee, exposing 1976) and juvenile 1966). the If stream streamside to direct sunlight, water temperatures generally increase during all seasons 1974). (Chapman, Research 1962; Greene, indicates that 1950; Moring and Lantz, the effect of forest management activities on stream temperature varies with the 223 amount of cutting (Brown and Krygier, 1970; Meehan et al., 1969), the size of the impacted stream (Brown, 1971; and Krygier, 1970) and the aspect of the watershed (Levino 1967). and Bothacher, are left Brown along Where buffer strips of vegetation streambanks, the changes in temperatures have been found to be minimal (Braizer, Braizer and Brown, water 1973; 1972; 1973). Dissolved 0xyen Reduced dissolved oxygen levels can adversely affect the population densities and distributions of resident trout and salznonid species (Moring and Lantz, 19714, 1975). Low dissolved oxygen concentrations can adversely affect the swimming performance of resident and salmonid fishery species (Davis, Foster, Warren and Doudoroff, 19149) can and (Whitmore cause and a cessation Doudoroff, of 1963; Graham, migration salmorlid 1960). oxygen Reduced concentrations lengthen incubation periods (Shumway, Warren and Doudoroff, 19614) stimulate (Alderdice, Wickett and Brett, vitality (Silver, al., 19611). 1958), reduce fry size and Warren and Doudoroff, 1963; Shumway et Low concentration of dissolved oxygen decrease the growth rate, food consumption rate, and efficiency of food utilization of juvenile fishery species Herrxnann, Warren and Doudoroff, Forest hatching premature management (Fry, 1957; 1962). activities influence dissolved oxygen levels in three principal ways. stream Increases 224 in stream sedimentation resulting from timber harvesting operations streambed fill reducing gravel gravel the intensities available for the retention of dissolved oxygen (Koski, Moring and Lantz, 197; Phillips, in stream temperatures arising 1971). from Increases removal the of streamside vegetation decrease the capacity of stream water 1973; Moring to retain dissolved oxygen (Brazier and Brown, 1975). 1974, Lantz, and populations resulting debris increase can Increases from the the demand microorganism in of decomposition for dissolved oxygen fishery populations beyond the microorganism and logging by streams 197'4, ability to supply dissolved oxygen (Moring and Lantz, 1975). Cover Overhanging submerged streamside vegetation and undercut vegetation, rocks, banks, water debris, floating depth and turbulence provide cover for fishery populations 1972). (Giger, Cover is perhaps most important to fish species survival during rearing than at any other time, as it is when increased they water are most temperatures susceptible (Reiser predation to and Bjornn, and 1979). The role of cover becomes less important as stream width and streamfiow increase (Gibbons and Salo, 1973). Forest management activities which remove streamside cover, supplies, increase or damage increase water temperature, reduce food sediment and debris and increase the 225 likelihood of disturbance and predation (Gibbons and Salo, 1973; Reiser Bjornn, and 1978). Steinblums, 1979; The retention and protection of vegetative buffer strips during the execution stream of temperature Ponce and Brown, forest increases Meehan, food 1978) buffer and debris (Moring and 1979). indicates that and 1973; Brown, Research the 1973; 1973; Gibbons and Salo, accumulations 1981; Moring and Lantz, supplies Bjornn, (Brazier reduces 1973), physical disturbances of streambeds and channel banks (Brazier, Steinbluxns, activities management 1971; by Ponce 1975; a Reiser and Brown and maximum effectiveness strip was reached within and 1975). and increases 197k; Lantz, (Everest of the width of 80 (1973) average feet; 90 percent of that maximumwas attained within 55 feet (Ponce and Brown, 1973; p. 8). 226 APPENDIX C Discussion of the development of production coefficients used in the analysis. 227 purpose The appendix this of' to is describe the development of non-timber production coefficients presented The procedure adopted in Chapter IV and used in Chapter V. to develop study area resource non-timber production coefficients was to relate deer, elk, cattle, and salmonid populations to the number of years that have elapsed since logging management forest and grazing cattle and Research studies considered and intensification levels. production assumptions adopted in the analysis are reviewed in the following pages. For the purposes of this study, the elapse times since harvesting stand used production potentials are Production potentials for predicting for model age classes. cattle and elk TREES deer, resource are expressed as area grazing capacities (resource pr.oduction levels which resources). fishery do potentials production The species (numbers in the impact of timber as anadromous or forage for anadromous salznonid escapement potentials expressed are spawning purposes). used adversely not fish available for The resource production coefficients analysis are described in the following paragraphs, Deer Research by (1973) and House Black (1971) (1969, 197'4), indicate Brown that the (1961), Hines deer carrying 228 capacity of an area increases immediately after logging. Area deer animals carrying per decrease by potentials square mile 20-30 percent reach years 10-30 every two a peak after decades of 10Oi10 logging and thereafter until 100 years have elapsed since harvesting.. The carrying capacity of stands in relatively constant at excess of 100 years remains 25 animals per square mile. thinning is performed, deer If potentials are observed to increase by7 to 10 percent (Brown, 1961; Hines, 1973). For the purposes of this study, the average annual deer grazing potential of timber 0-10 years of' age is 30 animals per square mile (area grazing capacity is assumed to be 60 percent of area carrying capacity). The average annual deer grazing capacity of timber 10-30 years of age is assumed to be 75 animals per square mile. The average annual deer grazing potential of timber 30-50 years of age is assumed to be 52 animals per square mile. The average annual deer grazing capacity of timber 50-70 years old is presumed to be 35 animals per square mile. 90 years of age, For timber 70- the average annual grazing potential of deer is assumed to be 28 deer per square mile. 90-100 years age, deer is presumed For timber the average annual grazing capacity of to be 20 animals per square mile. The average annual deer grazing capacity of timber in excess of 110 years of age is assumed to be 15 deer per square mile. Precommercial thinning activities are assumed area deer grazing capacities by 7 percent. to increase Commercial 229 thinning grazing activities are potentials by assumed percent. 10 increase to area densities Deer deer and distributions are presumed to be independent of elk, cattle and salmoriid densities and distributions. Cattle Research by Gibbons and Salo (1973), Harshman (1971) and Young, Hendrick and Keniston (1967) indicate that the cattle carrying potential of an area increases immediately after logging and reaches a peak of 50 animals per square mile within 5-20 years of harvesting. Area cattle potentials decrease logging. by Area cattle 80-90 percent 20-40 carrying years after potentials remain relatively stable at 9 animals per square mile 140_80 years after cutting. At 80-90 years after harvesting, cattle area carrying capacities increase by 20-30 percent and remain relatively constant thereafter at approximately mile. stands If stands capacities precominercially thinned, cattle are observed to increase by 10 percent. potentials If are cattle per square 7 are are commercially observed increase to cattle thinned, by 30_10 carrying percent (Harshman, 1971; Young et al., 1967). For the purposes of analysis, the annual cattle grazing capacity of timber 0-20 years of age is assumed to be 30 animals per square mile. The average annual cattle grazing potential of timber 20140 years of age is presumed to be 5.6 animals per square mile. For timber 40-8O years 230 of age, the average annual grazing capacity of cattle is assumed to annual be cattle older is animals per 3 grazing assumed to potential be mile. square of timber animals 24 average The years 90 square per and mile. Precominercial thinning is presumed to increase area cattle grazing potentials activities assumed are potentials by by 33 10 to percent. percent. increase Commercial area cattle thinning grazing Cattle grazing capacities are assumed to be independent of natural deer, elk and salmonid densities and distributions. Elk Research by Gibbons and Salo (1973), Lemos and Hines (1974) and Mackie (1978) indicate that elk usage of an area decreases immediately after logging. Area elk carrying capacity reaches a peak of 33 animals per square mile 10-20 years after logging and declines gradually by 10-20 percent every decades two elapsed thereafter since harvesting. timber in stable at excess of 11 The until 90-100 years have elk carrying capacity of 100 years of age remains relatively animals per square mile. For the purposes of analysis, the average annual elk grazing capacity of timber 0-10 years of age is assumed to be 2 animals per square mile. The average annual elk grazing capacity of timber 10-20 years of age is presumed to be 20 elk per square mile. For timber 20-240 years of age, the average annual elk grazing potential is assumed to 231 be 15 animals per square mile. age, average the annual For timber Lt060 years of grazing potential presumed to be 12.5 animals per square mile. of elk is The average annual elk grazing capacity of timber 60-80 years of age is assumed to be animals per square mile. 11 100 years of age, For timber 80- the average annual grazing potential of elk is assumed to be elk per square mile. 8 The average annual grazing potential of timber in excess of 100 years of age is assumed to be 6.5 elk per square mile. No elk grazing capacity increases are identified for precommercial and commercial thinning activities. capacity assumed increases to be arising forage from counterbalanced Potential elk grazing by increases reduced area are usage associated with increased human activity. While deer are indifferent to the presence of grazing cattle, studies have shown a strong negative relationship between area elk populations and cattle grazing intensities (Mackie, 1976, 1978, Slovlin et al., 1968). For the purposes of analysis, light cattle grazing (cattle grazing density 50 percent less than the area's cattle grazing capacity) is assumed to reduce area elk grazing capacity by 30 percent. Moderate cattle grazing (area's cattle grazing capacity) and heavy cattle grazing (cattle grazing density 50 percent greater than the area's cattle grazing capacity) are assumed to reduce elk grazing potentials by 50 percent. 232 Salmonids (1969), Research by Hall and Lantz (1973), Moring and Lantz (197k) and Gibbons and Salo (1980) Swariston indicate that the two most important variables influencing the fisheries production capacity of an area are Logging impacts typically occur during and natural events. the course immediately of logging cutting activities within or Natural event following harvesting. occur throughout forest stand rotations. years the impacts Adverse impacts resulting from logging activities and natural events are projected by the Forest Service to reduce the study area's overall fisheries production capacity by 10 percent. For the purposes of analysis, logging activities are assumed to reduce area salmonid escapement potentials by 30 percent for the first decade following harvesting and Major natural events were percent for the second decade. assumed to occur the at 15 rotation Salmonid mid-point. escapement reductions associated with major natural events are assumed to be identical to logging activity reductions. Per unit salmonid escapement numbers were area, using the methodology employed by Kunkel and Janik derived (1976). Reflecting the observed negative relationship between cattle grazing and (Behnke and Zarn, 19711; 1976; are reduced 1978) by and distributions 1977; Gunderson, 1968; Duff, Meehan and Platts, potentials densities sairnonid 10 area salmonid percent when Lorz, escapement cattle area 233 grazed at a moderate level of grazing intensity and by 20 percent when intensity. cattle are grazed at a heavy level of 234 APPENDIX D Stumpage value and regeneration and cultural treatment costs used in TREES simulation runs. 235 This section regeneration analysis. and identifies cultural the treatment stumpage costs value used in and the Revenue and silvicultural costs used in Chapter V are presented below. Stumpage Value and Regeneration and Cultural Treatment Costs Stumpage market value 173/MBF Cost/Acre Regeneration per cutover acre 1401 Regeneration per unstocked acre 501 Precommercial Thinning 201 Fertilization Cultural Treatment 55 299