 |
Carbon in United States Forests
and Wood Products, 1987-1997: State-by-State Estimates
by Richard A. Birdsey & George M. Lewis
Northeast Region (CT, DE, MA,
MD, ME, NH, NJ, NY, RI, Pa, VT, WV) 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 |
79,836
|
79,379
|
78,923
|
-91
|
-91
|
-91
|
| Other forest land |
1,270
|
1,434
|
1,598
|
33
|
33
|
33
|
| Reserved timberland |
4,176
|
4,570
|
4,963
|
79
|
79
|
79
|
| TOTAL |
85,282
|
85,383
|
85,484
|
20
|
20
|
20
|
| |
|
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 |
7,949
|
7,194
|
6,440
|
-151
|
-151
|
-151
|
| Spruce-fir |
10,486
|
9,576
|
8,667
|
-182
|
-182
|
-182
|
| 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) |
1,778
|
1,737
|
1,697
|
-8
|
-8
|
-8
|
| Oak-pine |
2,628
|
2,566
|
2,504
|
-12
|
-12
|
-12
|
| Oak-hickory |
24,494
|
25,142
|
25,790
|
130
|
130
|
130
|
| Oak-gum-cypress |
377
|
412
|
447
|
7
|
7
|
7
|
| Elm-ash-cottonwood |
3,787
|
3,186
|
2,585
|
-120
|
-120
|
-120
|
| Maple-beech-birch |
29,883
|
31,449
|
33,016
|
313
|
313
|
313
|
| Aspen-birch |
3,258
|
3,660
|
4,061
|
80
|
80
|
80
|
| Other forest types |
0
|
0
|
0
|
0
|
0
|
0
|
| Non-stocked |
644
|
460
|
277
|
-37
|
-37
|
-37
|
| TOTAL |
85,282
|
85,383
|
85,484
|
20
|
20
|
20
|
| |
|
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 |
813.4
|
759.7
|
706.1
|
-10.75
|
-10.71
|
-10.73
|
| Spruce-fir |
1,034.7
|
942.4
|
849.1
|
-18.46
|
-18.67
|
-18.56
|
| 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
|
-0.4
|
-0.8
|
-0.08
|
-0.08
|
-0.08
|
| Loblolly-shortleaf pine (natural) |
95.7
|
96.1
|
96.4
|
0.07
|
0.07
|
0.07
|
| Oak-pine |
171.6
|
170.7
|
170.1
|
-0.16
|
-0.13
|
-0.15
|
| Oak-hickory |
2,064.5
|
2,154.3
|
2,244.7
|
17.96
|
18.08
|
18.02
|
| Oak-gum-cypress |
25.5
|
27.7
|
29.8
|
0.42
|
0.43
|
0.43
|
| Elm-ash-cottonwood |
250.9
|
190.7
|
131.6
|
-12.03
|
-11.82
|
-11.93
|
| Maple-beech-birch |
2,971.2
|
3,203.2
|
3,432.9
|
46.39
|
45.94
|
46.17
|
| Aspen-birch |
251.1
|
286.3
|
321.3
|
7.04
|
7.01
|
7.03
|
| Other forest types |
45.9
|
49.8
|
53.1
|
0.77
|
0.66
|
0.72
|
| Non-stocked |
52.8
|
38.0
|
23.5
|
-2.95
|
-2.90
|
-2.93
|
| TOTAL |
7,777.4
|
7,918.5
|
8,057.9
|
28.2
|
27.9
|
28.0
|
| |
|
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 |
1,980.3
|
2,088.8
|
2,197.8
|
21.7
|
21.8
|
21.8
|
| Forest floor and coarse woody debris |
759.2
|
755.9
|
752.6
|
-0.7
|
-0.7
|
-0.7
|
| Soils |
4,802.1
|
4,813.4
|
4,824.9
|
2.2
|
2.3
|
2.3
|
| Wood products and landfills |
235.8
|
260.4
|
282.6
|
4.9
|
4.4
|
4.7
|
| TOTAL |
7,777.4
|
7,918.5
|
8,057.9
|
28.2
|
27.9
|
28.0
|
| |
|
Table 5. Total carbon stock on forest land
and annual change by owner (MMTC).
|
| Accounting component |
1987
|
1992
|
1997
|
Average Annual Change
|
| |
|
|
|
1987-1992
|
1992-1997
|
1987-1997
|
| Biomass |
269.1
|
270.5
|
272.3
|
0.29
|
0.35
|
0.32
|
| Forest floor and coarse woody debris |
1062.5
|
1100.4
|
1137.6
|
7.57
|
7.44
|
7.51
|
| Soils |
1238.7
|
1175.8
|
1104.2
|
-12.57
|
-14.33
|
-13.45
|
| Wood products and landfills |
5207.1
|
5371.8
|
5543.9
|
32.94
|
34.41
|
33.67
|
| TOTAL |
7777.4
|
7918.5
|
8057.9
|
28.22
|
27.88
|
28.05
|
| |
|
|
|
|
|
|
|
Table 6. Change in total carbon stock on
forest land attributed to land use change (MMTC).
|
| Owner group |
1987
|
1992
|
1997
|
Average Annual Change
|
| |
|
|
|
1987-1992
|
1992-1997
|
1987-1997
|
| National Forest |
0.0
|
-11.1
|
-19.2
|
-2.2
|
-1.6
|
-1.9
|
| Other Public |
0.0
|
-4.8
|
-9.5
|
-1.0
|
-0.9
|
-1.0
|
| Forest Industry |
0.0
|
-14.4
|
-27.5
|
-2.9
|
-2.6
|
-2.8
|
| Other Private |
0.0
|
2.1
|
4.5
|
0.4
|
0.5
|
0.5
|
| TOTAL |
0.0
|
-28.2
|
-51.7
|
-5.6
|
-4.7
|
-5.2
|
|