Contents
Introduction...........................................................................................................1
Plenary Session....................................................................................................3
Shrubland Ecosystems: Importance, Distinguishing Characteristics, and Dynamics . .. 3
E. Durant McArthur and Stanley G. Kitchen
Grassland Ecosystems of the Llano Estacado................................................................... 11
Eileen Johnson
The Southern High Plains: A History of Vegetation, 1540 to Present............................. 24
David B. Wester
Prescribed Fire to Restore Shrublands to Grasslands...................................................... 48
Carlton M. Britton, David B. Wester and Brent J. Racher
Role of Summer Prescribed Fire to Manage Shrub-invaded Grasslands....................... 52
Charles A. Taylor
Fire Session
Management of South Texas Shrublands with Prescribed Fire....................................... 57
C. Wayne Hanselka, D. Lynn Drawe, and D.C. Ruthven, III
Hydrology, Erosion, Plant, and Soil Relationships after Rangeland Wildfire................ 62
Kenneth E. Spaeth, Frederick B. Pierson, Peter R. Robichaud and Corey A. Moffet
Using Relative Humidity to Predict Spotfire Probability on Prescribed Burns............. 69
John R. Weir
Mesquite Cover Responses in Rotational Grazing/Prescribed Fire Management
Systems: Landscape Assessment Using Aerial Images..................................................... 73
R. J. Ansley, W. E. Pinchak and W. R. Teague
Modeling Erosion on Steep Sagebrush Rangeland Before and After Prescribed Fire.. 79
Corey A. Moffet, Frederick B. Pierson and Kenneth E. Spaeth
Water and Ecophysiology Session
Germination Responses to Temperature and Soil Moisture in Three Species of the
Subfamily Caragana and Their Implications Toward Restoration in Loess-gully
Region, China....................................................................................................................... 85
Zhao Xiaoying and Ren Jizhou
Saltcedar Control and Water Salvage on the Pecos River, Texas, 1999 to 2003............. 89
Charles R. Hart, Larry D. White, Alyson McDonald and Zhuping Sheng
Mesquite Root Distribution and Water Use Efficiency in Response to Long-term
Soil Moisture Manipulations............................................................................................... 96
R. J. Ansley, T. W. Boutton and P. W. Jacoby
Response of Seedlings of Two Hypogeal Brush Species to CO2 Enrichment................ 104
Charles R. Tischler, Justin D. Derner, H. Wayne Polley and Hyrum B. Johnson
Shrub Biomass Production Following Simulated Herbivory: A Test of the
Compensatory Growth Hypothesis................................................................................... 107
Terri B. Teaschner and Timothy E. Fulbright
Soil Responses to Human Recreational Activities in a Blackbrush (Coleogyne
ramosissima Torr.) Shrubland........................................................................................... 112
Simon A. Lei
Influence of Shrubs on Soil Chemical Properties in Alxa Desert Steppe, China.......... 117
Hua Fu, Shifang Pei, Yaming Chen and Changgui Wan
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Fungal Genomes that Influence Basic Physiological Processes of Black Grama
and Fourwing Saltbush in Arid Southwestern Rangelands........................................... 123
J.R. Barrow, M. Lucero, P. Osuna-Avila, I. Reyes-Vera and R.E. Aaltonen
Ecology and Population Biology Session
Estimating Aboveground Biomass of Mariola (Parthenium incanum) from
Plant Dimensions................................................................................................................ 132
Carlos Villalobos
Shrub Establishment in the Presence of Cheatgrass: The Effect of
Soil Microorganisms.......................................................................................................... 136
Rosemary L. Pendleton, Burton K. Pendleton, Steven D. Warren, Jeffrey R. Johansen and Larry L. St. Clair
Differences in Volatile Profiles Between Populations of Ceratoides lanata var.
subspinosa (Rydb.) J.T. Howell......................................................................................... 142
Mary Lucero, Rick Estell, Dean Anderson, Ed Fredrickson and Marta Remmenga
Emergence and Growth of Four Winterfat Accessions in the Presence of the
Exotic Annual Cheatgrass................................................................................................. 147
Ann L. Hild, Jennifer M. Muscha and Nancy L. Shaw
Seed Germination Biology of Intermountain Populations of Fourwing Saltbush
(Atriplex canescens: Chenopodiaceae).............................................................................. 153
Susan E. Meyer and Stephanie L. Carlson
Efficacy of Exclosures in Conserving Local Shrub Biodiversity in Xeric Sandy
Grassland, Inner Mongolia, China................................................................................... 163
Feng-Rui Li, Zhi-Yu Zhou, Li-Ya Zhao, Ai-Sheng Zhang and Ling-Fen Kang
Intraspecific Variation in Leaf Anatomy of Blackbrush (Coleogyne
ramosissima Torr.).............................................................................................................. 170
Simon A. Lei
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