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RMRS-RP-75: Historical wildfire impacts on ponderosa pine tree overstories: An Arizona case study


Ffolliott, Peter F.; Stropki, Cody L.; Neary, Daniel G. 2008. Historical wildfire impacts on ponderosa pine tree overstories: An Arizona case study. Res. Pap. RMRS-RP-75. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 20 p.

The Rodeo-Chediski Wildfire - the largest in Arizona's history - damaged or destroyed ecosystem resources and disrupted ecosystem functioning in a largely mosaic pattern throughout the ponderosa pine (Pinus ponderosa) forests exposed to the burn. Impacts of this wildfire on tree overstories were studied for 5 years (2002 to 2007) on two watersheds in the area burned. One watershed was burned by a high severity (stand-replacing) fire, while the other watershed was burned by a low severity (stand-modifying) fire. In this paper, we focus on the effects of the wildfire on stand structures, post-fire mortality of fire-damaged trees, and stocking of tree reproduction. We also present a fire severity classification system based on the fire-damaged tree crowns and a retrospective description of fire behavior on the two burned watersheds.

Keywords: ponderosa pine, Pinus ponderosa, overstories, stand structures, post-fire mortality, stocking, fire severity classification system, Rodeo-Chediski Wildfire


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http://www.fs.fed.us/rm/pubs/rmrs_rp075.pdf

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Title: RMRS-RP-75: Historical wildfire impacts on ponderosa pine tree overstories: An Arizona case study
Electronic Publish Date: January 12, 2009
Expires: Indefinite
Last Update:
January 12, 2009

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