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Publications & Products

Carbon in United States Forests and Wood Products, 1987-1997: State-by-State Estimates
by Richard A. Birdsey & George M. Lewis

Alabama Estimate for 1987-1997

Table 1. Area by land class (1000 ac).
Land class
1987
1992
1997
Average Annual Change
 
1987-1992
1992-1997
1987-1997
Timberland
21,659
21,785
21,911
25
25
25
Other forest land
0
0
0
0
0
0
Reserved timberland
66
59
52
-1
-1
-1
TOTAL
21,725
21,844
21,964
24
24
24
 
Table 2. Area of forest land by forest type (1000 ac).
Forest type
1987
1992
1997
Average Annual Change
 
1987-1992
1992-1997
1987-1997
White-red-jack pine
8
6
4
0
0
0
Spruce-fir
0
0
0
0
0
0
Longleaf-slash pine (planted)
433
435
437
0
0
0
Longleaf-slash pine (natural)
999
874
749
-25
-25
-25
Loblolly-shortleaf pine (planted)
1,481
2,236
2,991
151
151
151
Loblolly-shortleaf pine (natural)
4,366
3,814
3,261
-110
-110
-110
Oak-pine
4,426
4,470
4,514
9
9
9
Oak-hickory
7,464
7,552
7,641
18
18
18
Oak-gum-cypress
2,466
2,360
2,254
-21
-21
-21
Elm-ash-cottonwood
40
28
16
-2
-2
-2
Maple-beech-birch
0
0
0
0
0
0
Aspen-birch
0
0
0
0
0
0
Other forest types
0
9
18
2
2
2
Non-stocked
42
60
78
4
4
4
TOTAL
21,725
21,844
21,964
24
24
24
 
Table 3. Total carbon stock on forest land and annual change by forest type (MMTC).
Forest type
1987
1992
1997
Average Annual Change
 
1987-1992
1992-1997
1987-1997
White-red-jack pine
0.8
0.6
0.4
-0.04
-0.04
-0.04
Spruce-fir
0.0
0.0
0.0
0.00
0.00
0.00
Longleaf-slash pine (planted)
21.7
22.8
24.0
0.22
0.24
0.23
Longleaf-slash pine (natural)
53.3
47.7
42.3
-1.12
-1.08
-1.10
Loblolly-shortleaf pine (planted)
89.6
123.0
157.6
6.68
6.92
6.80
Loblolly-shortleaf pine (natural)
251.5
227.6
204.7
-4.77
-4.60
-4.68
Oak-pine
259.9
272.6
287.4
2.56
2.96
2.76
Oak-hickory
457.5
487.0
520.9
5.91
6.78
6.35
Oak-gum-cypress
162.2
166.6
171.5
0.90
0.96
0.93
Elm-ash-cottonwood
1.8
1.3
0.9
-0.11
-0.08
-0.09
Maple-beech-birch
0.0
0.0
0.0
0.00
0.00
0.00
Aspen-birch
0.0
0.0
0.0
0.00
0.00
0.00
Other forest types
10.4
12.2
14.5
0.35
0.46
0.41
Non-stocked
1.7
2.6
3.6
0.19
0.19
0.19
TOTAL
1,310.3
1,364.2
1,427.8
10.78
12.73
11.75
 
Table 4. Total carbon stock on forest land and annual change by accounting component (MMTC).
Accounting component
1987
1992
1997
Average Annual Change
 
1987-1992
1992-1997
1987-1997
Biomass
419.6
439.1
458.7
3.89
3.92
3.91
Forest floor and coarse woody debris
132.3
134.7
137.0
0.47
0.46
0.47
Soils
590.7
600.0
609.4
1.87
1.88
1.88
Wood products and landfills
167.7
190.4
222.8
4.54
6.47
5.50
TOTAL
1,310.3
1,364.2
1,427.8
10.78
12.73
11.75
 
Table 5. Total carbon stock on forest land and annual change by owner (MMTC).
Owner group
1987
1992
1997
Average Annual Change
 
1987-1992
1992-1997
1987-1997
National Forest
46.0
44.8
43.8
-0.23
-0.20
-0.21
Other Public
32.5
35.5
38.7
0.62
0.63
0.62
Forest Industry
274.9
293.5
315.3
3.72
4.36
4.04
Other Private
957.0
990.3
1,030.0
6.66
7.93
7.30
TOTAL
1,310.3
1,364.2
1,427.8
10.78
12.73
11.75
 
Table 6. Change in total carbon stock on forest land attributed to land use change (MMTC).
Accounting component
1987
1992
1997
Average Annual Change
 
1987-1992
1992-1997
1987-1997
Biomass
0.0
-3.7
-5.0
-0.74
-0.27
-0.50
Forest floor and coarse woody debris
0.0
-1.5
-3.0
-0.31
-0.30
-0.30
Soils
0.0
-2.2
-3.5
-0.45
-0.25
-0.35
Wood products and landfills
0.0
3.1
6.7
0.61
0.73
0.67
TOTAL
0.0
-4.4
-4.9
-0.88
-0.09
-0.49

 


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