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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 6. Loss of forest land (deforestation)
by new nonforest class, conterminous U.S., 1907-19971.
| |
1907
|
1939
|
1954
|
1964
|
1978
|
1988
|
Total 1907
|
| |
to 1938
|
to 1953
|
to 1963
|
to 1977
|
to 1987
|
to 1997
|
to 1997
|
|
(Million ha)
|
| Nonforest
class |
|
To cropland |
8.4
|
6.1
|
2.6
|
6.6
|
1.4
|
0.5
|
25.6
|
|
To pasture and range land |
8.2
|
5.0
|
5.4
|
2.8
|
3.4
|
1.9
|
26.8
|
|
To other nonforest |
0.9
|
1.0
|
3.1
|
4.4
|
4.6
|
3.9
|
17.9
|
| Total to nonforest |
17.5
|
12.1
|
11.1
|
13.8
|
9.4
|
6.4
|
70.4
|
| 1 From various USDA and Census reports (see text). |
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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