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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

Delaware 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
388
382
376
-1
-1
-1
Other forest land
7
8
10
0
0
0
Reserved timberland
3
3
3
0
0
0
TOTAL
398
394
389
-1
-1
-1
 
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)
0
0
0
0
0
0
Loblolly-shortleaf pine (natural)
74
76
77
0
0
0
Oak-pine
49
54
58
1
1
1
Oak-hickory
226
191
156
-7
-7
-7
Oak-gum-cypress
35
56
78
4
4
4
Elm-ash-cottonwood
10
10
11
0
0
0
Maple-beech-birch
5
7
10
0
0
0
Aspen-birch
0
0
0
0
0
0
Other forest types
0
0
0
0
0
0
Non-stocked
0
0
0
0
0
0
TOTAL
398
394
389
-1
-1
-1
 
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
-1.8
-3.6
-0.36
-0.36
-0.36
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
-0.1
-0.2
-0.02
-0.02
-0.02
Loblolly-shortleaf pine (natural)
5.9
6.2
6.6
0.07
0.08
0.07
Oak-pine
3.5
3.9
4.4
0.09
0.09
0.09
Oak-hickory
20.0
18.3
16.7
-0.34
-0.32
-0.33
Oak-gum-cypress
2.5
3.9
5.4
0.29
0.29
0.29
Elm-ash-cottonwood
0.6
0.5
0.5
-0.01
-0.01
-0.01
Maple-beech-birch
0.4
1.4
2.4
0.20
0.20
0.20
Aspen-birch
0.0
0.0
0.0
0.00
0.00
0.00
Other forest types
0.2
0.2
0.3
0.00
0.00
0.00
Non-stocked
0.0
0.0
0.0
0.00
0.00
0.00
TOTAL
33.1
32.7
32.5
-0.08
-0.04
-0.06
 
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
11.9
12.4
12.9
0.10
0.10
0.10
Forest floor and coarse woody debris
2.7
2.7
2.7
0.00
0.00
0.00
Soils
15.9
15.1
14.2
-0.17
-0.17
-0.17
Wood products and landfills
2.6
2.6
2.7
0.00
0.03
0.02
TOTAL
33.1
32.7
32.5
-0.08
-0.04
-0.06
 
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
0.0
0.0
0.0
0.00
0.00
0.00
Other Public
1.4
1.6
1.8
0.04
0.04
0.04
Forest Industry
2.0
1.9
1.8
-0.02
-0.03
-0.02
Other Private
29.6
29.2
28.9
-0.09
-0.05
-0.07
TOTAL
33.1
32.7
32.5
-0.08
-0.04
-0.06
 
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
-0.8
-1.4
-0.16
-0.12
-0.14
Forest floor and coarse woody debris
0.0
-0.2
-0.5
-0.05
-0.05
-0.05
Soils
0.0
-0.7
-1.4
-0.15
-0.14
-0.14
Wood products and landfills
0.0
0.3
0.5
0.05
0.05
0.05
TOTAL
0.0
-1.5
-2.8
-0.30
-0.25
-0.28

 


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