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Chapter 2: Current and Historical
Trends in Use, Management and Disturbance of United States Forest
Lands-Metric 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 ha/yr)
|
| Region: |
|
|
Northeast |
0.9
|
0.4
|
27.9
|
29.2
|
|
North Central |
6.4
|
4.1
|
20.6
|
31.1
|
|
Southeast |
8.0
|
5.4
|
88.8
|
102.2
|
|
South Central |
10.3
|
5.1
|
127.4
|
142.8
|
|
Great Plains |
4.7
|
0.1
|
0.6
|
5.5
|
|
Intermountain |
27.8
|
2.3
|
15.2
|
45.3
|
|
Pacific Coast |
60.3
|
22.6
|
382.3
|
465.2
|
|
Alaska |
1.9
|
0.1
|
0.6
|
2.6
|
| Total |
120.5
|
40.1
|
663.3
|
823.8
|
| 1 From 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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