Table 6. Areal extent of vegetation types within Yukon Maneuver Area (YMA) and Tanana Flats (Flats)
portions of Ft. Wainwright, central Alaska, 1998.
Flats
YMA
Total
Vegetation class
area (ha)
%
area (ha)
%
area (ha)
%
Barren (<5% vegetated)
375
0.1
322
0.3
697
0.2
Water (<5% vegetated)
2805
1.1
118
0.1
2805
0.8
Partially Vegetated (>5,<30% cover)
473
0.2
212
0.2
685
0.2
Closed White Spruce Forest
3321
1.3
3321
0.9
Closed Black Spruce Forest
19,978
7.6
777
0.7
20,756
5.6
Closed Black SpruceWhite Spruce Forest
6374
2.4
6374
1.7
Open White Spruce Forest
289
0.1
289
0.1
Open Black Spruce Forest
34,364
13.0
25,794
24.7
60,158
16.3
Open Black SpruceTamarack Forest
10,827
4.1
10,827
2.9
Open Black SpruceWhite Spruce Forest
363
0.1
3794
3.6
4157
1.1
Open Black Spruce (South-facing)
1586
1.5
1586
0.4
Mixed Conifer Woodland
8069
3.1
939
0.9
9008
2.4
Closed Balsam Poplar Forest
2561
1.0
13
0.0
2574
0.7
Closed Paper Birch Forest
1690
0.6
3112
3.0
4802
1.3
Closed Quaking Aspen Forest
126
0.0
126
0.0
Closed Paper BirchQuaking Aspen Forest
630
0.2
11,382
10.9
12,012
3.3
Open Paper Birch Forest
448
0.2
1346
1.3
1793
0.5
Open Paper BirchQuaking Aspen Forest
336
0.1
4119
3.9
4454
1.2
BroadleafScrub Woodland
1953
0.7
2058
2.0
4011
1.1
Closed SprucePaper Birch Forest
11,741
4.4
12,230
11.7
23,971
6.5
Closed SprucePaper BirchQuaking Aspen Forest
2113
0.8
10,652
10.2
12,765
3.5
Closed Balsam PoplarWhite Spruce Forest
1643
0.6
47
0.0
1690
0.5
Open SprucePaper Birch Forest
2708
1.0
9304
8.9
12,012
3.3
Open Quaking AspenSpruce Forest
466
0.2
466
0.1
Closed Tall AlderWillow Shrub
5342
2.0
2529
2.4
7871
2.1
Open Tall Shrub Swamp
4873
1.8
4873
1.3
Closed Low Shrub BirchEricaceous Shrub
22,406
8.5
659
0.6
23,065
6.3
Closed Low Scrub
12,208
4.6
864
0.8
13,072
3.5
Open Low Mixed ShrubSedge Tussock Bog
7610
2.9
1890
1.8
9500
2.6
Open Low Scrub (post burn, disturbance)
397
0.2
831
0.8
1228
0.3
Open Low WillowGraminoid Shrub Bog
5219
2.0
5219
1.4
DryasLichen Dwarf Shrub Tundra
45
0.0
45
0.0
MidgrassShrub
91
0.0
91
0.0
Bluejoint Meadow
21
0.0
34
0.0
55
0.0
Subarctic Lowland SedgeHerb Bog Meadow
891
0.3
106
0.1
997
0.3
Subarctic Lowland Sedge Wet Meadow
1040
0.4
15
0.0
1056
0.3
Subarctic Lowland SedgeMoss Bog Meadow
224
0.1
19
0.0
243
0.1
Subarctic Lowland Herb Bog Meadow
2640
1.0
2640
0.7
Lowland Eolian Complex
2303
2.2
2303
0.6
Riverine Complex
953
0.4
2461
2.4
3414
0.9
Slope Drainage Complex
9586
3.6
4942
4.7
14,528
3.9
Paludification Complex, (wet forbsedge fen)
7708
2.9
7708
2.1
Thermokarst Complex, open birchshrub birchfen
29,330
11.1
29,330
8.0
Thermokarst Complex, open birchshrub swampfen
765
0.3
765
0.2
Thermokarst Complex, black sprucecollapse scar bog
21,576
8.2
21,576
5.9
Thermokarst Complex, closed paper birchcollapse scar bog
2946
1.1
2946
0.8
Thermokarst Complex, mixed sprucepaper birchbog
6412
2.4
6412
1.7
Thermokarst Complex, open birchshrubbog
8075
3.1
8075
2.2
Sum
263,964
100.0
104,503
100.0
368,467
100.0
23
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