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

English Unit Data

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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 2a. Area of forest land by region and forest class, conterminous U.S., 1907-19971.

Region and 1907 1938 1953 1963 1977 1987 1997
forest class
(million ac)
Northeast
    Timberland
56.9
68.9
73.0
77.9
78.6
79.8
78.9
    Reserved forest land
2.2
2.6
2.8
2.8
3.9
4.2
5.0
    Other forest land
0.6
0.7
0.7
0.9
1.9
1.3
1.6
    Total forest land
59.6
72.2
76.6
81.6
84.3
85.3
85.5
North Central
    Timberland
76.3
83.6
81.2
78.7
74.9
74.6
80.5
    Reserved forest land
0.8
0.9
0.9
1.1
1.9
2.9
2.9
    Other forest land
2.0
2.2
2.1
4.3
3.1
2.8
1.5
    Total forest land
79.1
86.7
84.2
84.2
79.9
80.2
84.8
Southeast
    Timberland
88.2
83.5
89.1
91.0
87.8
85.1
84.8
    Reserved forest land
0.8
0.7
0.8
0.8
1.4
2.0
2.7
    Other forest land
3.1
2.9
3.1
2.9
1.3
1.4
1.2
    Total forest land
92.0
87.1
93.0
94.7
90.5
88.6
88.7
South Central
    Timberland
124.7
116.5
115.5
117.7
111.8
112.1
116.2
    Reserved forest land
0.6
0.5
0.5
0.6
1.0
1.6
1.2
    Other forest land
18.4
17.2
17.1
15.5
13.8
8.8
8.0
    Total forest land
143.7
134.2
133.1
133.7
126.6
122.6
125.4
Great Plains
    Timberland
5.2
4.8
4.0
3.8
3.7
3.5
4.3
    Reserved forest land
0.0
0.0
0.0
0.0
0.0
0.1
0.1
    Other forest land
1.5
1.4
1.2
0.9
0.8
0.6
0.4
    Total forest land
6.7
6.2
5.2
4.8
4.5
4.2
4.8
Intermountain
    Timberland
65.1
63.9
62.6
63.1
56.5
57.6
66.7
    Reserved forest land
13.9
13.6
13.4
14.4
15.4
16.4
18.1
    Other forest land
62.9
61.6
60.4
58.0
61.8
61.4
53.6
    Total forest land
141.9
139.1
136.3
135.6
133.7
135.4
138.4
Pacific Coast
    Timberland
67.3
66.2
62.0
61.7
58.4
56.3
59.1
    Reserved forest land
7.3
7.2
6.8
6.5
8.0
10.1
11.9
    Other forest land
30.3
29.8
27.9
28.1
26.7
23.2
19.1
    Total forest land
105.0
103.2
96.7
96.3
93.1
90.7
90.2
Conterminous U.S.
    Timberland
483.7
487.2
487.4
493.9
471.7
469.1
490.6
    Reserved forest land
25.6
25.7
25.1
26.3
31.6
37.3
41.8
    Other forest land
118.8
115.8
112.5
110.7
109.3
99.5
85.4
    Total forest land
628.0
628.7
625.1
630.9
612.5
607.0
617.8
1 From Smith et al. 2001 and other 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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