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Chapter 2: Current and Historical
Trends in Use, Management and Disturbance of United States Forest
Lands-English Unit Data
by Richard A. Birdsey & George M. Lewis
Table 16. Average Area of timber
stand improvement by region and ownership class, 1987-19971.
|
|
Other
|
|
| |
Federal
|
Public
|
Private
|
Total
|
|
(Thousand ac/yr)
|
| Region: |
|
|
Northeast |
2.3
|
1.0
|
68.9
|
72.2
|
|
North Central |
15.9
|
10.0
|
50.9
|
76.8
|
|
Southeast |
19.8
|
13.4
|
219.3
|
252.5
|
|
South Central |
25.4
|
12.7
|
314.7
|
352.8
|
|
Great Plains |
11.7
|
0.3
|
1.5
|
13.6
|
|
Intermountain |
68.8
|
5.6
|
37.4
|
111.9
|
|
Pacific Coast |
149.1
|
55.8
|
944.7
|
1,149.6
|
|
Alaska |
4.7
|
0.2
|
1.5
|
6.4
|
| Total |
297.7
|
99.0
|
1,638.9
|
2,035.7
|
| 1From USDA Forest Service reports. |
Users of these tables are kindly requested
to cite their source:
Birdsey, Richard A.; Lewis, George M. 2002. Current and Historical
Trends in Use,
Management and Disturbance of United States Forest Lands. IN: Kimble,
John et al. (eds.),
The Potential of U.S. Forest Soils to Sequester Carbon and Mitigate
the Greenhouse Effect.
Boca Raton, Florida: CRC Press. XXX p.
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