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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

New Hampshire 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
4,803
4,677
4,551
-25
-25
-25
Other forest land
148
217
287
14
14
14
Reserved timberland
70
94
117
5
5
5
TOTAL
5,021
4,988
4,955
-7
-7
-7
 
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
1,154
965
777
-38
-38
-38
Spruce-fir
748
671
594
-15
-15
-15
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)
37
28
19
-2
-2
-2
Oak-pine
410
313
216
-19
-19
-19
Oak-hickory
401
506
611
21
21
21
Oak-gum-cypress
0
0
0
0
0
0
Elm-ash-cottonwood
75
79
82
1
1
1
Maple-beech-birch
1,934
2,114
2,294
36
36
36
Aspen-birch
262
278
295
3
3
3
Other forest types
0
0
0
0
0
0
Non-stocked
0
33
66
7
7
7
TOTAL
5,021
4,988
4,955
-7
-7
-7
 
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
122.7
109.3
96.3
-2.70
-2.60
-2.65
Spruce-fir
77.0
69.8
62.4
-1.45
-1.47
-1.46
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
0.0
0.00
0.00
0.00
Loblolly-shortleaf pine (natural)
2.1
1.8
1.6
-0.05
-0.05
-0.05
Oak-pine
28.1
24.2
20.4
-0.79
-0.74
-0.77
Oak-hickory
33.5
45.3
57.5
2.37
2.42
2.39
Oak-gum-cypress
0.0
0.0
0.0
0.00
0.00
0.00
Elm-ash-cottonwood
3.7
4.2
4.6
0.10
0.10
0.10
Maple-beech-birch
203.3
226.5
250.1
4.63
4.73
4.68
Aspen-birch
22.4
23.5
24.7
0.22
0.23
0.23
Other forest types
0.0
0.0
0.0
0.00
0.00
0.00
Non-stocked
0.0
3.0
6.1
0.61
0.62
0.61
TOTAL
492.8
507.5
523.7
2.94
3.25
3.10
 
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
127.9
140.7
153.6
2.56
2.56
2.56
Forest floor and coarse woody debris
48.8
48.3
47.8
-0.11
-0.10
-0.10
Soils
301.9
302.7
303.4
0.15
0.14
0.14
Wood products and landfills
14.1
15.8
19.1
0.35
0.65
0.50
TOTAL
492.8
507.5
523.7
2.94
3.25
3.10
 
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
75.0
75.6
76.4
0.14
0.15
0.14
Other Public
26.2
32.3
38.4
1.23
1.22
1.23
Forest Industry
67.8
62.0
55.5
-1.16
-1.31
-1.23
Other Private
323.8
337.5
353.4
2.73
3.19
2.96
TOTAL
492.8
507.5
523.7
2.94
3.25
3.10
 
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
-0.4
-0.7
-0.07
-0.08
-0.07
Forest floor and coarse woody debris
0.0
-0.2
-0.3
-0.04
-0.03
-0.03
Soils
0.0
-0.5
-1.1
-0.11
-0.11
-0.11
Wood products and landfills
0.0
0.1
0.2
0.02
0.02
0.02
TOTAL
0.0
-1.0
-2.0
-0.20
-0.19
-0.20

 


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