Table 1. Coding system for the ecological land classification for Fort Greely.
Code
Class
Code
Class
GEOMORPHIC UNITS (modified from Kreig and
Reger 1982)
144
Closed Paper Birch Forest
011
Weathered Bedrock (Bxw)
145
Closed Quaking Aspen Forest
012
Residual Soil over Weathered Bedrock (Bxr)
147
Closed Quaking Aspen-Balsam Poplar Forest
015
Mountain Complex: Bxw + Bxr + Ct
151
Open Paper Birch Forest
016
Rugged Mountain Complex: Bxw + Ct
152
Open Quaking Aspen Forest
330
Solifluction Deposits *
153
Open Balsam Poplar Forest
335
Talus (Ct)
154
Open Paper Birch-Quaking Aspen Forest
371
Lowland Loess (Ell)
162
Balsam Poplar Woodland
372
Upland Loess (Elu)
165
Broadleaf-Shrub Woodland (post burn)
373
Frozen Upland Silt (Elx)
171
Closed Spruce-Paper Birch Forest
374
Loess, Undifferentiated/Old Moraine (El/Gmo)
173
Closed Spruce-Paper Birch-Quaking Aspen Forest
375
Lowland Loess/Old Moraine (Ell/Gmo)
174
Closed Quaking Aspen-Spruce Forest
376
Lowland Loess/Glaciofluvial, Undifferentiated (Ell/GF)
175
Closed Balsam Poplar-White Spruce Forest
377
Loess, Undifferentiated/Young Moraine (El/Gmy)
176
Closed SpruceQuaking AspenBalsam Poplar Forest
441
Meander Floodplain Riverbed Deposit (Fmr)
181
Open Spruce-Paper Birch Forest
445
Meander Active-floodplain Cover Deposit (Fmca)
182
Open Quaking Aspen-Spruce Forest
447
Meander Inactive-floodplain Cover Deposit (Fmci)
184
Open Spruce-Balsam Poplar Forest
448
Meander Abandoned Floodplain
191
SprucePaper Birch Woodland
452
Abandoned-floodplain Cover Deposit (Fpac/ Fpr)
192
SpruceQuaking Aspen Woodland
481
Headwater Stream, Riverbed Deposit (Fhr)*
211
Open Black Spruce Dwarf Tree Scrub
482
Headwater Stream, Active-floodplain Cover Deposit*
213
Open Quaking Aspen Dwarf Tree Scrub
(Fhca)
214
Open Balsam Poplar Dwarf Tree Scrub
483
Headwater Stream, Inactive-floodplain Cover Deposit*
216
Black Spruce Dwarf Tree Woodland
484
Headwater Stream, Abandoned Floodplain*
221
Closed Tall Willow Shrub
487
Headwater Floodplain-Steep, Undifferentiated
222
Closed Tall Alder Shrub
488
Headwater Floodplain-Lowland, Undifferentiated
224
Closed Tall Alder-Willow Shrub (riverine)
502
Alluvial Fan, Active Riverbed
231
Open Tall Willow Shrub (riverine)
503
Alluvial Fan, Inactive Riverbed
232
Open Tall Alder Shrub
504
Alluvial Fan, Abandoned Riverbed Deposit (Ffrb)
241
Closed Shrub Birch Shrub
506
Alluvial Fan, Active Cover Deposit*
242
Closed Low Willow Shrub
520
Retransported Deposits, Lowland (Fsl)
243
Closed Low Shrub Birch-Willow Shrub
521
Retransported Deposit, Hilly
245
Closed Low AlderWillow Shrub
612
Ice-cored Moraine (Gmi)
246
Closed Low Shrub Birch-Ericaceous Shrub
621
Older Moraine (Gmo)
252
Open Low Mixed Shrub-Sedge Tussock Meadow
622
Younger Moraine (Gmy)
253
Open Low Mesic Shrub Birch-Ericaceous Shrub
701
Glaciofluvial Deposit, Undifferentiated (GF)
(alpine)
702
Glaciofluvial Outwash, Active Riverbed (Gfora)
255
Open Low Shrub Birch-Ericaceous Shrub Bog
703
Glaciofluvial Outwash, Inactive Riverbed (Gfori)
256
Open Low Ericaceous Shrub Bog
705
Glaciofluvial Outwash, Abandoned Riverbed (Gforb)
257
Open Low Shrub BirchWillow Shrub
712
Glaciofluvial Outwash, Inactive Cover (Gfoci)
259
Open Low Shrub (post burn, uplands)
715
Glaciofluvial Outwash, Abandoned Cover (GFocb)
260
Open Low Willow Shrub
718
Glaciofluvial Outwash, Terrace
262
Open Low Willow-Graminoid Shrub Bog (fen)
750
Lacustrine (L)
265
Open Low Alder Shrub
780
Human-made Deposits (H)
266
Open Low Silverberry Shrub
843
268
SagebrushGrass
854
Shore Fen (Ofsh)*
271
Dryas Dwarf Shrub Tundra
872
Basin Bog (Obb)*
272
DryasSedge Dwarf Shrub Tundra
874
Collapse-scar bog (Obc)*
273
Dryas-Lichen Dwarf Shrub Tundra
885
Shore Bog (Obsh)*
280
Ericaceous Dwarf Scrub
888
Veneer Bog (Obv)*
281
Bearberry Dwarf Shrub Tundra
911
Upper Perennial River, Non-glacial (Wrun)
285
Cassiope Dwarf Shrub Tundra
912
Upper Perennial River, Glacial (Wrug)
303
Dry Fescue
928
Deep Isolated Lake, Morainal
304
Midgrass-Shrub (S-facing bluff)
936
Deep Isolated Ponds, Thaw
305
MidgrassHerb
927
Deep Isolated Lake, Bedrock
306
Hair-grass
943
Shallow Isolated Ponds, Riverine
311
Bluejoint Meadow
312
BluejointHerb
VEGETATION (after Viereck et al. 1992)
313
BluejointShrub
0
Barren
314
Tussock Tundra
1
Water (<5% vegetated)
318
Subarctic Lowland Sedge Moist Meadow
10
Partially Vegetated
322
SedgeBirch Tundra
112
Closed White Spruce Forest
331
Wet Sedge Meadow Tundra
113
Closed Black Spruce Forest
340
Lowland Sedge Wet Meadow (riverine)
124
Open White Spruce Forest
341
Subarctic Lowland SedgeShrub Wet Meadow
125
Open Black Spruce Forest (w/ ericaceous shrub, flat,
341
Subarctic Lowland SedgeShrub Wet Meadow
N-facing)
351
Dry Seral Herbs
128
Open Black Spruce-White Spr. Forest (S-facing,
361
Mesic Mixed Herbs
ridges)
362
Fireweed
133
White Spruce Woodland
381
Pondlily
134
Black Spruce Woodland
362
Fireweed
135
Black SpruceWhite Spruce Woodland
*Present, but too small or indistinct to map
8