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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

Arkansas 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
16,673
17,533
18,392
172
172
172
Other forest land
223
195
167
-6
-6
-6
Reserved timberland
91
161
231
14
14
14
TOTAL
16,987
17,889
18,790
180
180
180
 
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
0
0
0
0
0
0
Spruce-fir
0
0
0
0
0
0
Longleaf-slash pine (planted)
0
0
0
0
0
0
Longleaf-slash pine (natural)
0
0
0
0
0
0
Loblolly-shortleaf pine (planted)
436
1,138
1,839
140
140
140
Loblolly-shortleaf pine (natural)
3,904
3,617
3,330
-57
-57
-57
Oak-pine
3,009
3,109
3,208
20
20
20
Oak-hickory
6,611
6,984
7,358
75
75
75
Oak-gum-cypress
2,685
2,740
2,795
11
11
11
Elm-ash-cottonwood
144
186
227
8
8
8
Maple-beech-birch
0
0
0
0
0
0
Aspen-birch
0
0
0
0
0
0
Other forest types
0
0
0
0
0
0
Non-stocked
198
115
32
-17
-17
-17
TOTAL
16,987
17,889
18,790
180
180
180
 
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
0.0
0.0
0.0
0.00
0.00
0.00
Spruce-fir
0.0
0.0
0.0
0.00
0.00
0.00
Longleaf-slash pine (planted)
0.0
0.0
0.0
0.00
0.00
0.00
Longleaf-slash pine (natural)
0.0
0.0
0.0
0.00
0.00
0.00
Loblolly-shortleaf pine (planted)
34.9
68.1
99.9
6.65
6.37
6.51
Loblolly-shortleaf pine (natural)
251.4
239.1
227.8
-2.47
-2.25
-2.36
Oak-pine
190.4
195.8
200.3
1.08
0.88
0.98
Oak-hickory
397.8
435.3
472.4
7.50
7.42
7.46
Oak-gum-cypress
183.0
196.3
210.5
2.65
2.85
2.75
Elm-ash-cottonwood
9.6
11.8
14.1
0.43
0.46
0.45
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
13.6
11.8
10.2
-0.36
-0.33
-0.35
Non-stocked
10.6
5.9
1.1
-0.94
-0.95
-0.94
TOTAL
1,091.3
1,164.0
1,236.3
14.54
14.45
14.50
 
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
389.2
418.1
446.9
5.77
5.78
5.77
Forest floor and coarse woody debris
83.0
90.2
97.4
1.45
1.44
1.45
Soils
482.7
505.0
527.1
4.45
4.43
4.44
Wood products and landfills
136.4
150.8
164.8
2.88
2.80
2.84
TOTAL
1,091.3
1,164.0
1,236.3
14.54
14.45
14.50
 
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
158.7
167.0
174.8
1.64
1.56
1.60
Other Public
44.2
58.8
73.7
2.92
2.99
2.96
Forest Industry
297.6
305.7
310.4
1.62
0.94
1.28
Other Private
590.8
632.6
677.4
8.36
8.96
8.66
TOTAL
1,091.3
1,164.0
1,236.3
14.54
14.45
14.50
 
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
-2.9
-4.1
-0.58
-0.24
-0.41
Forest floor and coarse woody debris
0.0
-0.8
-1.7
-0.16
-0.17
-0.17
Soils
0.0
-2.3
-4.5
-0.47
-0.43
-0.45
Wood products and landfills
0.0
2.0
4.3
0.41
0.45
0.43
TOTAL
0.0
-4.0
-6.0
-0.81
-0.39
-0.60

 


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