|
Table 1. Area by land class (1000 ac).
|
| Land class |
1987
|
1992
|
1997
|
Average Annual Change
|
| |
|
|
|
1987-1992
|
1992-1997
|
1987-1997
|
| Timberland |
11,996
|
12,704
|
13,411
|
142
|
142
|
142
|
| Other forest land |
303
|
307
|
311
|
1
|
1
|
1
|
| Reserved timberland |
224
|
274
|
325
|
10
|
10
|
10
|
| TOTAL |
12,523
|
13,285
|
14,047
|
152
|
152
|
152
|
| |
|
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
|
1
|
2
|
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) |
306
|
393
|
479
|
17
|
17
|
17
|
| Oak-pine |
664
|
817
|
970
|
31
|
31
|
31
|
| Oak-hickory |
9,567
|
10,175
|
10,783
|
122
|
122
|
122
|
| Oak-gum-cypress |
170
|
142
|
114
|
-6
|
-6
|
-6
|
| Elm-ash-cottonwood |
625
|
637
|
649
|
2
|
2
|
2
|
| Maple-beech-birch |
289
|
643
|
998
|
71
|
71
|
71
|
| Aspen-birch |
0
|
0
|
0
|
0
|
0
|
0
|
| Other forest types |
0
|
1
|
2
|
0
|
0
|
0
|
| Non-stocked |
903
|
476
|
49
|
-85
|
-85
|
-85
|
| TOTAL |
12,523
|
13,285
|
14,047
|
152
|
152
|
152
|
| |
|
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
|
0.1
|
0.8
|
0.02
|
0.14
|
0.08
|
| 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
|
-0.1
|
-0.01
|
-0.01
|
-0.01
|
| Loblolly-shortleaf pine (natural) |
16.8
|
20.8
|
24.6
|
0.80
|
0.75
|
0.77
|
| Oak-pine |
47.1
|
55.1
|
63.3
|
1.61
|
1.63
|
1.62
|
| Oak-hickory |
712.3
|
740.3
|
769.2
|
5.61
|
5.78
|
5.69
|
| Oak-gum-cypress |
14.9
|
12.0
|
9.1
|
-0.58
|
-0.58
|
-0.58
|
| Elm-ash-cottonwood |
55.7
|
53.3
|
51.0
|
-0.48
|
-0.46
|
-0.47
|
| Maple-beech-birch |
22.4
|
41.8
|
60.9
|
3.88
|
3.82
|
3.85
|
| Aspen-birch |
0.0
|
0.0
|
0.0
|
0.00
|
0.00
|
0.00
|
| Other forest types |
0.4
|
0.5
|
0.6
|
0.02
|
0.02
|
0.02
|
| Non-stocked |
50.8
|
26.9
|
2.2
|
-4.77
|
-4.95
|
-4.86
|
| TOTAL |
920.3
|
950.8
|
981.5
|
6.09
|
6.14
|
6.12
|
| |
|
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 |
190.5
|
203.5
|
216.6
|
2.61
|
2.62
|
2.62
|
| Forest floor and coarse woody debris |
100.5
|
106.7
|
111.7
|
1.23
|
1.01
|
1.12
|
| Soils |
586.9
|
595.6
|
604.7
|
1.74
|
1.82
|
1.78
|
| Wood products and landfills |
42.4
|
45.0
|
48.5
|
0.52
|
0.70
|
0.61
|
| TOTAL |
920.3
|
950.8
|
981.5
|
6.09
|
6.14
|
6.12
|
| |
|
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 |
106.0
|
108.6
|
110.6
|
0.51
|
0.40
|
0.45
|
| Other Public |
37.7
|
52.9
|
68.0
|
3.05
|
3.02
|
3.03
|
| Forest Industry |
18.6
|
17.5
|
16.5
|
-0.22
|
-0.20
|
-0.21
|
| Other Private |
758.0
|
771.8
|
786.4
|
2.76
|
2.93
|
2.84
|
| TOTAL |
920.3
|
950.8
|
981.5
|
6.09
|
6.14
|
6.12
|
| |
|
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
|
0.9
|
4.7
|
0.18
|
0.75
|
0.47
|
| Forest floor and coarse woody debris |
0.0
|
-0.2
|
-0.6
|
-0.05
|
-0.06
|
-0.06
|
| Soils |
0.0
|
-0.7
|
-1.5
|
-0.14
|
-0.17
|
-0.15
|
| Wood products and landfills |
0.0
|
0.2
|
0.4
|
0.04
|
0.04
|
0.04
|
| TOTAL |
0.0
|
0.2
|
2.9
|
0.03
|
0.55
|
0.29
|