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Updated 12 October, 2003

Climate Action Report 2002
The United States of America's Third National Communication Under the United Nations Framework Convention on Climate Change
Chapter 6: Impacts and Adaptation
May 2002

FIGURE 6-6 Potential Effects of Projected Climate Change on Ecosystem Distribution

Both the Hadley and the Canadian models project increasing wintertime precipitation in the U.S. Southwest toward the end of the 21st century and a conversion of desert ecosystems to shrub and grassland ecosystems. 

Source: R.P. Neilson, USDA Forest Service, Corvallis, Oregon, as presented in NAST 2000.

Potential Effects of Projected Climate Change on Ecosystem Distribution


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