Northern Global Change Research Program

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

English 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-English Unit Data
by Richard A. Birdsey & George M. Lewis

Table 4. Gain of forest land (afforestation) by previous 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 ac)
Nonforest class
From cropland	13.4	13.6	14.5	3.0	3.0	4.5	52.1
From pasture and range land	18.3	17.7	9.6	14.9	11.2	17.5	89.2
From other nonforest	0.6	0.5	1.9	2.4	2.0	4.2	11.6
Total from nonforest	32.3	31.8	26.1	20.3	16.1	26.2	152.9
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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