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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

Indiana 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
4,296
4,319
4,342
5
5
5
Other forest land
0
0
0
0
0
0
Reserved timberland
143
151
159
2
2
2
TOTAL
4,439
4,470
4,501
6
6
6
 
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
63
47
31
-3
-3
-3
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)
0
0
0
0
0
0
Loblolly-shortleaf pine (natural)
90
91
92
0
0
0
Oak-pine
110
139
167
6
6
6
Oak-hickory
1,517
1,596
1,675
16
16
16
Oak-gum-cypress
83
63
43
-4
-4
-4
Elm-ash-cottonwood
860
773
686
-17
-17
-17
Maple-beech-birch
1,675
1,718
1,761
9
9
9
Aspen-birch
3
5
7
0
0
0
Other forest types
0
4
8
1
1
1
Non-stocked
38
35
32
-1
-1
-1
TOTAL
4,439
4,470
4,501
6
6
6
 
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
5.4
4.4
3.3
-0.21
-0.21
-0.21
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)
0.0
0.0
-0.1
-0.01
-0.01
-0.01
Loblolly-shortleaf pine (natural)
5.1
5.3
5.5
0.04
0.04
0.04
Oak-pine
8.2
11.0
13.7
0.55
0.55
0.55
Oak-hickory
137.9
151.8
165.8
2.78
2.79
2.78
Oak-gum-cypress
7.5
5.9
4.4
-0.31
-0.31
-0.31
Elm-ash-cottonwood
73.8
69.3
64.7
-0.90
-0.92
-0.91
Maple-beech-birch
151.7
161.8
172.0
2.02
2.04
2.03
Aspen-birch
0.2
0.4
0.6
0.03
0.04
0.03
Other forest types
2.2
3.9
5.7
0.36
0.36
0.36
Non-stocked
2.4
2.2
2.0
-0.04
-0.04
-0.04
TOTAL
394.5
416.0
437.6
4.32
4.32
4.32
 
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
119.7
139.0
158.4
3.86
3.87
3.87
Forest floor and coarse woody debris
34.4
34.7
35.0
0.06
0.04
0.05
Soils
223.1
222.8
222.6
-0.05
-0.04
-0.04
Wood products and landfills
17.3
19.4
21.7
0.44
0.45
0.44
TOTAL
394.5
416.0
437.6
4.32
4.32
4.32
 
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
15.7
17.1
18.4
0.28
0.26
0.27
Other Public
43.6
48.7
53.7
1.02
1.01
1.01
Forest Industry
1.8
1.8
1.7
0.00
-0.01
0.00
Other Private
333.4
348.5
363.8
3.02
3.05
3.04
TOTAL
394.5
416.0
437.6
4.32
4.32
4.32
 
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
-0.3
-0.5
-0.06
-0.03
-0.05
Forest floor and coarse woody debris
0.0
-0.1
-0.3
-0.03
-0.03
-0.03
Soils
0.0
-0.4
-0.8
-0.08
-0.08
-0.08
Wood products and landfills
0.0
0.1
0.2
0.02
0.02
0.02
TOTAL
0.0
-0.8
-1.4
-0.15
-0.12
-0.14

 


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