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

Metric Unit Data

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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 10. Area of forest land by forest type, Eastern and Western conterminous United States, 1953-19971.

Region and forest type
1953
1963
1977
1987
1997
        (Million ha)
Eastern U.S.2:
  White-Red-Jack Pine
4.3
4.8
5.6
5.9
4.9
  Spruce-Fir
8.6
8.9
8.5
7.9
7.1
  Longleaf-slash pine (planted)
0.2
1.0
1.9
3.1
3.2
  Longleaf-slash pine (natural)
9.2
8.4
4.9
3.2
2.3
  Loblolly-shortleaf pine (planted)
0.5
2.1
4.2
4.6
8.6
  Loblolly-shortleaf pine (natural)
21.9
20.4
16.2
15.7
12.8
  Oak-Pine
10.5
10.5
14.2
12.9
13.8
  Oak-Hickory
46.5
49.4
50.7
53.0
53.1
  Oak-Gum-Cypress
16.1
15.1
11.3
12.1
12.6
  Elm-Ash-Cottonwood
6.4
7.5
9.5
6.2
5.5
  Maple-Beech-Birch
13.0
13.8
15.7
19.4
22.5
  Aspen-Birch
8.2
8.6
8.3
7.5
7.3
  Other Forest Types
0.4
0.4
0.1
0.2
3.0
  Nonstocked
12.8
10.8
4.6
2.5
0.9
  Total
158.6
161.6
155.5
154.1
157.5
Western U.S.3:
  Douglas Fir
14.4
16.1
14.1
16.9
17.0
  Ponderosa Pine
17.2
15.4
12.7
13.4
13.1
  Western White Pine
2.1
1.7
0.2
0.1
0.2
  Fir-Spruce
8.5
8.7
10.2
10.1
11.9
  Hemlock-Sitka Spruce
1.5
1.9
2.6
2.5
3.6
  Larch
2.0
1.4
1.1
1.1
0.5
  Lodgepole Pine
9.2
9.0
7.9
7.5
7.1
  Redwood
0.6
0.1
0.3
0.5
0.4
  Other hardwoods
8.4
10.3
11.5
11.3
11.4
  Other Forest Types
2.6
2.5
2.8
3.3
4.7
  Pinyon-Juniper
19.5
18.5
20.0
20.2
19.8
  Chaparral
3.5
3.6
3.4
3.3
2.1
  Nonstocked
4.8
4.5
3.6
2.0
0.8
  Total
94.3
93.8
90.3
92.2
92.5
Total Eastern and Western U.S.
252.9
255.4
245.8
246.3
250.0
1 From Smith et al. (2001) and other Forest Service reports (see text).
2 Includes Northeast, North Central, Southeast, South Central, and Great Plains regions.
3 Includes Intermountain and Pacific Coast regions.


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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