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The Potential of U.S. Forest Soils to Sequester Carbon and Mitigate the Greenhouse Effect

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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 6a. Loss of forest land (deforestation) by region and new nonforest class, conterminous U.S., 1907-19971.

Region and
1907
1939
1954
1964
1978
1988
Total 1907
nonforest class
to 1938
to 1953
to 1963
to 1977
to 1987
to 1997
to 1997
(million ac)
Northeast
    To cropland
0.30
0.18
0.53
0.41
0.19
0.21
1.82
    To pasture and range land
0.13
0.08
1.24
0.05
0.16
0.26
1.92
    To other nonforest
0.15
0.18
2.03
2.23
1.74
2.63
8.95
    Total to nonforest
0.57
0.43
3.80
2.68
2.09
3.11
12.68
North Central
    To cropland
2.34
3.67
0.89
4.56
0.58
0.22
12.26
    To pasture and range land
0.26
0.41
0.60
0.51
0.73
0.45
2.95
    To other nonforest
0.14
0.42
1.05
1.45
1.07
0.93
5.07
     Total to nonforest
2.74
4.50
2.55
6.51
2.38
1.60
20.27
Southeast
    To cropland
6.60
3.12
0.95
1.99
0.93
0.55
14.16
    To pasture and range land
9.90
4.69
2.22
0.85
0.96
0.75
19.38
    To other nonforest
0.54
0.51
1.36
2.85
3.13
3.29
11.69
    Total to nonforest
17.04
8.32
4.54
5.70
5.02
4.60
45.23
South Central
    To cropland
3.52
1.64
1.50
6.63
1.66
0.28
15.24
    To pasture and range land
3.52
1.64
6.01
1.66
3.82
1.51
18.16
    To other nonforest
1.41
1.32
2.44
2.85
3.88
2.07
13.98
    Total to nonforest
8.46
4.61
9.95
11.14
9.36
3.85
47.37
Great Plains
    To cropland
2.77
1.28
0.37
0.37
0.10
0.03
4.91
    To pasture and range land
1.19
0.55
0.85
0.16
0.13
0.06
2.93
    To other nonforest
0.02
0.02
0.03
0.08
0.11
0.06
0.33
    Total to nonforest
3.98
1.84
1.25
0.61
0.34
0.15
8.17
Intermountain
    To cropland
3.13
3.07
1.86
1.98
0.00
0.01
10.05
    To pasture and range land
0.35
0.34
1.86
1.98
1.06
0.91
6.50
    To other nonforest
0.01
0.03
0.11
0.21
0.19
0.18
0.72
    Total to nonforest
3.50
3.44
3.83
4.18
1.25
1.10
17.28
Pacific Coast
    To cropland
2.08
2.03
0.25
0.45
0.08
0.01
4.90
    To pasture and range land
4.86
4.74
0.58
1.78
1.58
0.85
14.39
    To other nonforest
0.03
0.05
0.64
1.09
1.18
0.58
3.56
    Total to nonforest
6.97
6.82
1.47
3.32
2.84
1.44
22.85
Conterminous U.S.
    To cropland
20.75
14.99
6.36
16.38
3.54
1.31
63.33
    To pasture and range land
20.21
12.44
13.36
6.99
8.44
4.78
66.22
    To other nonforest
2.30
2.53
7.66
10.77
11.30
9.75
44.31
    Total to nonforest
43.26
29.96
27.38
34.14
23.28
15.85
173.86
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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