|
Table 1. Area by land class (1000 ac).
|
| Land class |
1987
|
1992
|
1997
|
Average Annual Change
|
| |
|
|
|
1987-1992
|
1992-1997
|
1987-1997
|
| Timberland |
1,447
|
1,467
|
1,487
|
4
|
4
|
4
|
| Other forest land |
220
|
171
|
123
|
-10
|
-10
|
-10
|
| Reserved timberland |
23
|
22
|
22
|
0
|
0
|
0
|
| TOTAL |
1,690
|
1,661
|
1,632
|
-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 |
1,370
|
1,286
|
1,202
|
-17
|
-17
|
-17
|
| Spruce-fir |
17
|
20
|
23
|
1
|
1
|
1
|
| 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) |
0
|
4
|
8
|
1
|
1
|
1
|
| Oak-pine |
0
|
3
|
6
|
1
|
1
|
1
|
| Oak-hickory |
45
|
61
|
76
|
3
|
3
|
3
|
| Oak-gum-cypress |
0
|
0
|
0
|
0
|
0
|
0
|
| Elm-ash-cottonwood |
114
|
87
|
61
|
-5
|
-5
|
-5
|
| Maple-beech-birch |
13
|
49
|
86
|
7
|
7
|
7
|
| Aspen-birch |
42
|
32
|
23
|
-2
|
-2
|
-2
|
| Other forest types |
32
|
47
|
61
|
3
|
3
|
3
|
| Non-stocked |
57
|
71
|
85
|
3
|
3
|
3
|
| TOTAL |
1,690
|
1,661
|
1,632
|
-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 |
100.8
|
93.9
|
86.6
|
-1.37
|
-1.48
|
-1.42
|
| Spruce-fir |
1.7
|
1.8
|
1.7
|
0.01
|
-0.01
|
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
|
0.0
|
0.00
|
0.00
|
0.00
|
| Loblolly-shortleaf pine (natural) |
0.0
|
0.2
|
0.4
|
0.04
|
0.04
|
0.04
|
| Oak-pine |
0.0
|
0.1
|
0.3
|
0.03
|
0.03
|
0.03
|
| Oak-hickory |
2.7
|
3.4
|
4.1
|
0.14
|
0.15
|
0.14
|
| Oak-gum-cypress |
0.0
|
0.0
|
0.0
|
0.00
|
0.00
|
0.00
|
| Elm-ash-cottonwood |
7.8
|
6.7
|
5.3
|
-0.22
|
-0.28
|
-0.25
|
| Maple-beech-birch |
0.8
|
3.9
|
7.2
|
0.61
|
0.66
|
0.64
|
| Aspen-birch |
3.5
|
2.7
|
1.7
|
-0.17
|
-0.19
|
-0.18
|
| Other forest types |
2.2
|
3.4
|
4.7
|
0.25
|
0.26
|
0.25
|
| Non-stocked |
3.5
|
4.7
|
5.7
|
0.23
|
0.21
|
0.22
|
| TOTAL |
123.0
|
120.7
|
117.8
|
-0.45
|
-0.59
|
-0.52
|
| |
|
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 |
33.3
|
30.6
|
27.9
|
-0.55
|
-0.55
|
-0.55
|
| Forest floor and coarse woody debris |
23.3
|
22.7
|
22.0
|
-0.14
|
-0.14
|
-0.14
|
| Soils |
60.8
|
61.0
|
61.3
|
0.05
|
0.05
|
0.05
|
| Wood products and landfills |
5.5
|
6.4
|
6.6
|
0.17
|
0.04
|
0.11
|
| TOTAL |
123.0
|
120.7
|
117.8
|
-0.45
|
-0.59
|
-0.52
|
| |
|
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 |
73.8
|
72.9
|
71.8
|
-0.18
|
-0.21
|
-0.20
|
| Other Public |
6.9
|
6.2
|
5.6
|
-0.13
|
-0.13
|
-0.13
|
| Forest Industry |
1.2
|
0.8
|
0.5
|
-0.07
|
-0.08
|
-0.07
|
| Other Private |
41.2
|
40.8
|
39.9
|
-0.07
|
-0.17
|
-0.12
|
| TOTAL |
123.0
|
120.7
|
117.8
|
-0.45
|
-0.59
|
-0.52
|
| |
|
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
|
-0.4
|
-0.05
|
-0.04
|
-0.04
|
| Forest floor and coarse woody debris |
0.0
|
-0.2
|
-0.4
|
-0.04
|
-0.04
|
-0.04
|
| Soils |
0.0
|
-0.3
|
-0.5
|
-0.05
|
-0.05
|
-0.05
|
| Wood products and landfills |
0.0
|
0.0
|
0.1
|
0.01
|
0.01
|
0.01
|
| TOTAL |
0.0
|
-0.7
|
-1.3
|
-0.13
|
-0.12
|
-0.13
|