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 20
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 20. Average area affected by selected insects and diseases, by region of the Western U.S., 1986-1997¹.

	Mountain	Western
	pine	spruce	Spruce	Dwarf
	beetle	budworm	beetle	mistletoes
	(1000 ha/yr)
Region
Great Plains	2.0	0.0	0.0	0.0
Intermountain	154.3	741.1	0.0	4,698.9
Pacific Coast	304.7	883.9	0.0	5,823.2
Alaska	0.0	17.3	211.8	1,375.9
Total	461.0	1,642.3	211.8	11,898.1
¹ From 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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