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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

Oklahoma 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
6,087
6,160
6,234
15
15
15
Other forest land
1,185
1,286
1,387
20
20
20
Reserved timberland
11
28
45
3
3
3
TOTAL
7,283
7,474
7,665
38
38
38
 
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)
273
373
474
20
20
20
Loblolly-shortleaf pine (natural)
854
772
690
-16
-16
-16
Oak-pine
960
867
774
-19
-19
-19
Oak-hickory
4,641
4,736
4,830
19
19
19
Oak-gum-cypress
436
565
694
26
26
26
Elm-ash-cottonwood
88
145
203
12
12
12
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
32
16
0
-3
-3
-3
TOTAL
7,283
7,474
7,665
38
38
38
 
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)
12.9
18.7
24.0
1.15
1.06
1.11
Loblolly-shortleaf pine (natural)
40.7
39.0
37.3
-0.35
-0.34
-0.34
Oak-pine
42.6
40.3
38.5
-0.47
-0.35
-0.41
Oak-hickory
200.8
209.7
218.2
1.77
1.69
1.73
Oak-gum-cypress
21.4
28.0
35.1
1.31
1.43
1.37
Elm-ash-cottonwood
4.8
7.3
9.9
0.50
0.51
0.50
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
2.6
1.9
1.8
-0.14
-0.03
-0.09
Non-stocked
1.5
0.8
0.0
-0.15
-0.15
-0.15
TOTAL
327.4
345.6
364.7
3.63
3.82
3.73
 
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
56.1
72.2
88.4
3.23
3.24
3.24
Forest floor and coarse woody debris
45.8
44.3
42.3
-0.30
-0.40
-0.35
Soils
208.7
209.9
211.4
0.24
0.32
0.28
Wood products and landfills
16.9
19.2
22.5
0.46
0.67
0.56
TOTAL
327.4
345.6
364.7
3.63
3.82
3.73
 
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
14.3
14.2
14.4
-0.01
0.04
0.02
Other Public
16.8
18.7
20.4
0.38
0.35
0.37
Forest Industry
52.3
54.1
55.6
0.37
0.30
0.33
Other Private
244.1
258.6
274.2
2.89
3.13
3.01
TOTAL
327.4
345.6
364.7
3.63
3.82
3.73
 
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
0.2
1.1
0.04
0.18
0.11
Forest floor and coarse woody debris
0.0
-0.1
-0.3
-0.03
-0.03
-0.03
Soils
0.0
-0.3
-0.6
-0.07
-0.06
-0.06
Wood products and landfills
0.0
0.1
0.1
0.01
0.02
0.01
TOTAL
0.0
-0.2
0.3
-0.04
0.11
0.03

 


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