Northeast Field Guide, Version 1.5
January 2001
TABLE OF CONTENTS
Variable
Chapter / Section
Page
1.000
-----------
Introduction
Field Guide Layout
Units of Measure
General Description
Plot Integrity
5 Panel Cycle
1
2
3
4
5
6
2.000
--2.110
2.120
-------
7
7
8
9
10
11
12
--2.160
2.170
2.181
2.182
2.210
2.220
2.230
2.240
2.310
2.320
2.330
2.340
Plot Establishment
Plot Photo
Starting Point
Course to Plot
Chaining to the Plot
Chaining Slope Distances
Establishing Subplots 2 - 4 When Subplot 1 Is
Inaccessible
At Plot Center
Plot Center Witness
Plot Diagrams
Sketch Map of Plot Location
General Notes
Field Edit
Field Edit / Month
Field Edit / Day
Field Edit / Year
Office Edit
Office Edit / Month
Office Edit / Day
Office Edit / Year
15
16
17
17
17
18
18
18
18
18
18
18
18
3.000
3.100
3.110
3.120
3.130
3.140
3.145
3.150
3.155
3.160
3.170
3.180
3.190
3.200
3.210
Plot Data
State
Unit
County
Plot Number
Sample Kind
QA Status
Crew Type
Phase
Month
Day
Year
Previous Land Use
Previous Month
Previous Year
19
19
19
19
19
20
21
21
21
23
23
23
24
25
25
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Northeast Field Guide, Version 1.5
January 2001
Variable
Chapter / Section
Page
3.220
3.230
3.240
3.250
3.255
3.260
3.270
3.280
3.290
3.295
3.400
Cruiser
Tally
Trail or Roads
Horizontal Distance to Improved Road
Road Access
Public Use Restrictions
Recreation Use 1, 2 and 3
Water on Plot
Terrain Position
Site Productivity Class
Manual Version
25
25
25
26
26
27
27
28
29
30
31
3.300
---
GPS Coordinates
GPS Unit Settings, Datum, and Coordinate
System
Collecting Readings
Degrees of Latitude
Minutes of Latitude
Seconds of Latitude
Degrees of Longitude
Minutes of Longitude
Seconds of Longitude
Number of Readings
Elevation
Location of GPS Reading
GPS Error
GPS Serial Number
33
33
--3.310
3.320
3.330
3.340
3.350
3.360
3.361
3.365
3.370
3.375
3.380
4.000
----4.300
--4.310
------4.320
----4.330
4.340
4.350
Condition Class Data
Determination of Condition Class
Condition Class Attributes
Condition Class Number
Condition Class Defining (Delineation)
Variables
Condition Class Status
Delineating Condition Classes Differing in
Condition Class Status
Condition Class Status Definitions
Delineating Condition Classes Within Accessble
Forest Land
Land Use Class
Forest Land
Nonforest Land
Forest Type
Stand-Size Class
Regeneration Status
ii
33
35
35
35
36
36
36
36
36
37
37
37
39
39
40
41
41
41
42
45
50
52
52
55
58
67
69
Northeast Field Guide, Version 1.5
January 2001
Variable
Chapter / Section
Page
4.360
4.370
4.380
--4.400
4.405
4.410
4.420
4.431
4.432
4.433
4.434
4.435
4.436
4.491
4.492
4.493
4.494
4.495
4.496
4.440
4.450
4.460
4.465
4.470
Reserve Status
Tree Density
Owner Group
Ancillary (Non-Mapping) Variables
Owner Class
Private Owner Industrial Status
Artificial Regeneration Species
Stand Age
Disturbance 1
Disturbance Year 1
Disturbance 2
Disturbance Year 2
Disturbance 3
Disturbance Year 3
Treatment 1
Treatment Year 1
Treatment 2
Treatment Year 2
Treatment 3
Treatment Year 3
Physiographic Class
Timber Management Class
Stand History
Stand Structure
Stocking Class
69
70
71
72
72
73
73
74
75
76
76
76
77
77
77
78
78
78
78
78
78
80
82
83
84
4.000
--4.100
4.200
4.211
4.212
4.213
4.214
4.215
4.216
4.217
Boundary Data
Reference Procedure
Subplot Number
Plot Type
Boundary Change
Contrasting Condition
Condition Class Number
Left Azimuth
Corner Azimuth
Corner Distance
Right Azimuth
85
85
87
88
88
88
89
89
89
89
90
4.000
4.100
4.105
4.106
4.107
4.110
4.120
4.125
Subplot Data
Subplot Number
Slope Correction
Subplot Center Condition Class
Microplot Center Condition
Subplot Slope
Subplot Aspect
Snow / Water Depth
91
91
91
91
92
92
92
93
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Northeast Field Guide, Version 1.5
January 2001
Variable
Chapter / Section
Page
4.130
Crown Closure
94
5.000
5.100
5.110
5.120
5.140
5.200
5.300
Seedling Data
Subplot Number
Species
DBH
Reproduction Number
Condition Class Number
Number of Stems
95
95
95
95
96
96
96
5.000
Shrub and Vine Data for the Maine Inventory
97
6.000
6.100
6.105
6.100
6.120
6.130
6.140
--6.150
--6.155
6.160
6.170
6.175
6.180
6.190
6.200
6.205
6.206
6.207
6.210
6.220
6.230
6.240
6.250
6.260
6.264
6.270
--6.271
6.272
---
Tree and Sapling Data
Subplot Number
Tree Record Number
Species
Horizontal Distance
Azimuth
Tree History
Diameter
Diameter at Breast Height (DBH)
Special DBH Situations
Diameter Check
Condition Class
Tree Condition Class
Lean Angle
Tree Grade
Sawlog Length
Bole Length
Total Length
Actual Length
Length Method
Board-Foot cull
Percent Soundness (of Board-Foot Cull)
Cubic-Foot Cull
Percent Soundness (of Cubic-Foot Cull)
Crown Class
Compacted Crown Ratio
Uncompacted Crown Ratio
Cause of Death
Tree Damage
Damage Location 1
Damage Type 1
Legal Combinations of Damage Type by
Damage Location
101
102
102
103
103
104
105
108
109
109
117
117
118
119
119
120
121
122
122
122
123
124
125
126
127
128
130
132
132
133
135
138
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Northeast Field Guide, Version 1.5
January 2001
Variable
6.273
-----
Chapter / Section
Page
140
146
153
--6.274
6.275
6.276
6.290
6.300
6.310
6.320
6.330
6.340
6.350
Damage Severity
Damage Illustrations
Procedures to Record Multiple Occurrences of
the Same Damage
Procedures to Measure Circumference Affected
Damage Location 2
Damage Type 2
Damage Severity 2
Tree Class
Merchantability Class
Decay Class
Utilization Class
Previous DBH
Previous Tree Class / Merchantability Class
Notes
7.000
--7.001
7.005
7.100
7.105
7.110
7.120
7.130
7.140
Site Tree Data
Site Tree Selection
Site Tree Number
Subplot Number
Condition Class Number
Condition Class List
Species
Diameter
Site Tree Length
Tree Age at Diameter
161
161
161
162
162
162
162
163
163
163
8.000
8.100
8.110
8.120
Ownership Data
Ownership Information
Information Quality
Owner Contact
165
165
166
166
9.000
Nonforest / Denied Access / Hazardous Plots
167
v
153
153
153
153
154
156
156
158
158
158
159
Northeast Field Guide, Version 1.5
January 2001
#
Appendices
1
State, Unit and County FIPS Codes
183
2
Eastern U.S. Site-Tree Selection Criteria and FIA
Forest Type Algorithm For The U.S.
195
3
Productivity Guide
207
4
-------
U.S. Tree, Shrub and Vine Species Codes
Tree
Shrub
Vine
211
213
217
220
5
-------------
Specific Tally Procedures
Alternates
Census Water
Regular Tally Procedures
Reconciling The Previous Tally
Previous Tree History Codes (ME, PA & OH)
Previous Trees That Are Not On The History
Files
Special Instructions For The Ohio Inventory
221
223
223
224
224
225
229
6
Determination Of Stocking Values For Land Use
Classification
233
7
Glossary
243
8
Quality Control / Quality Assurance Program
253
9
-----------
Tree Grades
Hardwood
Tie and Timber
Eastern White Pine
Spruce, Fir, Cedar, Tamarack and Hemlock
Southern Pine
271
273
274
275
276
277
10
Slope Correction & Cull Tables And Scaling
Deductions
279
11
Tally Sheet Guide
285
---
Page
vi
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Northeast Field Guide, Version 1.5
January 2001
vii