Northern Global Change Research Program

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

Metric Unit Data

Table 1	Table 2
Table 2a	Table 3
Table 4	Table 4a
Table 5	Table 6
Table 6a	Table 7
Table 8	Table 9
Table 9a	Table 9b
Table 10	Table 11
Table 12	Table 13
Table 14	Table 15
Table 16	Table 17
Table 18	Table 18a
Table 19	Table 2 0
Table 21	Table 22
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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 8: Area of grazed forests by region, 1945-1997¹.

	1945	1949	1954	1959	1964	1969	1974	1978	1982	1987	1992
	(Million ha)
Region:
Northeast	5.4	3.7	3.2	2.0	2.0	1.2	1.0	1.1	1.0	0.9	0.9
North Central	9.2	9.7	9.1	6.0	6.1	5.6	4.6	3.7	3.2	3.2	3.2
Southeast	24.4	16.1	14.6	7.1	6.9	5.6	5.0	4.6	4.0	3.9	3.0
South Central	34.6	32.0	28.1	23.9	21.8	19.3	16.4	15.4	12.0	12.1	11.1
Great Plains	0.6	0.5	0.6	0.7	0.5	0.5	0.4	0.4	0.4	0.4	0.2
Intermountain	25.6	25.1	31.4	30.8	27.6	26.5	24.9	23.9	23.2	23.0	22.1
Pacific Coast	6.3	8.9	7.2	6.8	6.3	5.2	5.0	5.4	5.3	5.2	4.3
Alaska	n/a	0.1	n/a	0.3	0.1	0.0	0.0	0.0	0.0	0.0	0.0
Hawaii	n/a	0.2	n/a	0.2	0.1	0.2	0.2	0.2	0.2	0.2	0.2
Total	106.2	96.3	94.2	77.9	71.5	64.0	57.6	54.7	49.3	48.8	45.0
¹ From Census of Agriculture reports.

Users of these tables are kindly requested to cite their source:
Birdsey, Richard A.; Lewis, George M. 2002. Current and Historical Trends n 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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