If this dataset is a COVERAGE: the first four items in the polygon attribute table (PAT), or the first seven items in the arc attribute table (AAT) are automatically generated by ARC/INFO software. Contact ESRI (Environmental Systems Research Institute, Inc.) or read their literature for detailed descriptions of their internal file structure. ESRI can be reached at <URL:http://www.esri.com.>
If this dataset is a SHAPEFILE, the first two items in the data table are automatically generated. Contact ESRI or read their literature for detailed descriptions of their internal file structure. ESRI can be reached at URL:<http://www.esri.com>.
The VEG_CODE item is a numeric field populated with the Final Map Unit Codes - BOR derived, project specific. The numeric attribute and the definition the values represent are:
VALUE DEFINITION OF VEG_CODE VALUE
1 Herbaceous Upland Alpine > 9600 ft
2 Herbaceous Upland Alpine Fellfield
4 Herbaceous Upland Montane < 9600 ft
5 Herbaceous Wetland Cross Zone - Marsh
6 Herbaceous Wetland Cross Zone - Wetland
7 Herbaceous Wetland SubAlpine / Alpine - Alpine Meadow
9 Glacier
10 Rock (Alpine-Upper Subalpine)
11 Rock (Foothill-Lower Subalpine)
13 Shrub Upland Alpine
14 Shrub Upland Lower Montane - Undifferentiated
15 Riparian Aspen
18 Upper Montane Aspen
20 Montane Douglas Fir
22 SubAlpine Mixed Conifer
23 Lodgepole Pine - High Elevation > 9500 ft
24 Lodgepole Pine - Low Elevation < 9500 ft
26 Lodgepole Pine - Rock
32 Cottonwood
33 Juniper
34 Ponderosa Pine Graminoid
35 Ponderosa Pine Rockland
36 Ponderosa Pine Shrubland
38 SubAlpine Limber Pine
39 Ribbon forests Islands
41 Disturbance - Dead and Down
43 Blue Spruce
46 Talus
47 Outwash
48 Exposed Soil - Man made
49 Cliff Face - Bare Soil / Rock
51 Streams - Rivers
52 Natural Lakes - Ponds
53 Reservoirs - Stock tanks
120 Shrub Riparian Cross Zone > 9600 ft
121 Shrub Riparian Cross Zone < 9600 ft
141 Shrub Upland Lower Montane - Big Sagebrush
142 Shrub Upland Lower Montane - Bitterbrush
161 Mixed Conifer with Aspen (Ponderosa Pine)
162 Mixed Conifer with Aspen (Lodgepole Pine)
163 Mixed Conifer with Aspen (Douglas-fir)
164 Mixed Conifer with Aspen (Spruce - Fir)
190 Riparian Upper Montane Mixed Conifer > 8500 ft
191 Riparian Lower Montane Mixed Conifer < 8500 ft
400 Krummholz
999 Unvegetated Surface
The HEIGHT item is a numeric field and contains six classes of height range of the dominate vegetation layer. The numeric attribute and the range they represent are:
VALUE DEFINITION OF HEIGHT VALUE
1 0-2 meters
2 2-5 meters
3 5-10 meters
4 10-20 meters
5 >20 meters
0 No height assigned
The DENSITY item is a numeric field and contains five mutually exclusive percentage classes of density. The numeric attribute and the range they represent are:
VALUE DEFINITION OF DENSITY VALUE
1 >75%
2 50 - 75%
3 25 - 50%
4 < 25%
0 No density value
The PATTERN item is a numeric field and contains five mutually exclusive classes which describe the vegetation pattern within the polygon. The numeric attribute and the definition the values represent are:
VALUE DEFINITION OF PATTERN VALUE
1 Evenly Dispersed
2 Clumped / Bunched
3 Gradational
4 Alternating
0 No pattern value
The AND_LEV1 item is a numeric field and describes the Land Use and Land Cover Classification System (USGS, Anderson et al. 1976) Level 1. The numeric attribute and the definition the values represent are:
VALUE DEFINITION OF AND_LEV1 VALUE
1 Urban or Built-up Land
2 Agricultural Land
3 Rangeland
4 Forest Land
5 Water
6 Wetland
7 Barren Land
8 Tundra
9 Perennial Snow or Ice
The AND_LEV11 item is a numeric field and describes the Land Use and Land Cover Classification System (USGS, Anderson et al. 1976) Level 2. The numeric attribute and the definition the values represent are:
VALUE DEFINITION OF AND_LEVII VALUE
11 Residential
12 Commercial and Services
13 Industrial
14 Transportation, Communication, and Utilities
15 Industrial, and Commercial Complexes
16 Mixed Urban or Built-up Land
17 Other Urban or Built-up Land
21 Cropland and Pasture
22 Orchards, Groves, Vineyards, Nurseries, and Orna
23 Confined Feeding Operations
24 Other Agricultural Lands
31 Herbaceous Rangeland
32 Shrub and Brush Rangeland
33 Mixed Rangeland
41 Deciduous Forest Land
42 Evergreen Forest Land
43 Mixed Forest Land
51 Streams and Canals
52 Lakes
53 Reservoirs
54 Bays and Estuaries
61 Forested Wetland
62 Nonforested Wetland
71 Dry Salt Flats
72 Beaches
73 Sandy Areas other than Beaches
74 Bare Exposed Rock
75 Strip Mines, Quarries, and Gravel Pits
76 Transitional Areas
77 Mixed Barren Land
81 Shrub and Brush Tundra
82 Herbaceous Tundra
83 Bare Ground Tundra
84 Wet Tundra
85 Mixed Tundra
91 Perennial Snowfields
92 Perennial Snow or Ice
The HECTARES item is a numeric field and describes the Area in Hectares, calculated using X Tools Pro for ArcGIS Desktop Version 2.1.0.
The SLOPE item is a numeric field and describes the Slope of the label point within the polygon (degrees), derived from ArcView Script from www.jennessent.com
The ASPECT item is a numeric field and describes the Aspect of the label point within the polygon (compass bearings - true), derived from ArcView Script from www.jennessent.com
The ACRES item is a numeric field and describes the Area in Acres, calculated using X Tools Pro for ArcGIS Desktop Version 2.1.0.
The ELEV_M item is a numeric field and describes the Elevation in meters for the label point, derived from ArcView Script from www.jennessent.com
The ELEV_FT item is a numeric field and describes the Elevation in feet for the label point, derived from ArcView Script from www.jennessent.com
The OLDVEGCODE item is a numeric field populated with the Initial Map Unit Codes - BOR derived, project specific.
The EL_CODE_1 item is an alphanumeric item that describes the Ecological Systems Classification Code - NatureServe Ecological Classification. The alphanumeric attribute and the definition the values represent are:
VALUE DEFINITION OF EL_CODE_1 VALUE
CES300.728 North American Alpine Ice Field
CES300.729 North American Arid West Emergent Marsh
CES304.776 Inter-Mountain Basins Aspen-Mixed Conifer Forest and Woodland
CES304.785 Inter-Mountain Basins Montane Sagebrush Steppe
CES306.032 Southern Rocky Mountain Ponderosa Pine Woodland
CES306.809 Rocky Mountain Alpine Bedrock and Scree
CES306.810 Rocky Mountain Alpine Dwarf-Shrubland
CES306.811 Rocky Mountain Alpine Fell-Field
CES306.812 Rocky Mountain Alpine-Montane Wet Meadow
CES306.813 Rocky Mountain Aspen Forest and Woodland
CES306.815 Rocky Mountain Cliff, Canyon and Massive Bedrock
CES306.816 Rocky Mountain Dry Tundra
CES306.819 Rocky Mountain Subalpine-Montane Limber-Bristlecone Pine Woodland
CES306.820 Rocky Mountain Lodgepole Pine Forest
CES306.821 Rocky Mountain Lower Montane Riparian Woodland and Shrubland
CES306.822 Rocky Mountain Lower Montane-Foothill Shrubland
CES306.823 Rocky Mountain Dry-Mesic Montane Mixed Conifer Forest and Woodland
CES306.824 Southern Rocky Mountain Montane-Subalpine Grassland
CES306.825 Rocky Mountain Mesic Montane Mixed Conifer Forest and Woodland
CES306.826 Rocky Mountain Ponderosa Pine Savanna
CES306.828 Rocky Mountain Subalpine Dry-Mesic Spruce-Fir Forest and Woodland
CES306.829 Rocky Mountain Subalpine Mesic Meadow
CES306.830 Rocky Mountain Subalpine Mesic Spruce-Fir Forest and Woodland
CES306.831 Rocky Mountain Subalpine-Montane Fen
CES306.833 Rocky Mountain Subalpine-Montane Riparian Woodland
CES306.955 Rocky Mountain Foothill Limber Pine-Juniper Woodland
The EL_CODE_2 item is an alphanumeric item that describes the Ecological Systems Classification Code - NatureServe Ecological Classification. Ecological System Code (see EL_CODE_1). This is a one to many relationship - VEG_CODE to El_CODE. Therefore, each VEG_CODE may have membership in one or more EL_CODE's.
The EL_CODE_3 item is an alphanumeric item that describes the Ecological Systems Classification Code - NatureServe Ecological Classification. Ecological System Code (see EL_CODE_1). This is a one to many relationship - VEG_CODE to El_CODE. Therefore, each VEG_CODE may have membership in one or more EL_CODE's.
The COMMON_MAP item is a text field populated with the name of the definition of the VEG_CODE as described under VEG_CODE (see VEG_CODE).
The Shape_Length item is a numeric item that describes the length of the feature in internal units.
The Shape_Area item is a numeric item that describes the area of the feature in internal units squared.