Tree-Ring Research

Southwest Fire:

Current Fire

Since the 1900s, and especially since the 1980s, western states, including Arizona and New Mexico, have recorded increasing total forest area burned by wildfire.

hectares burned in 1900s

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Laboratory of Tree-Ring Research, University of Arizona
Tucson, Arizona 85721 USA
Main Office: (520) 621-1608, Fax: (520) 621-8229
Comments to Paul Sheppard: sheppard @