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Six-year post-fire mortality and health of relict ponderosa pines in the Bob Marshall Wilderness Area, MontanaAuthor(s): Signe B. Leirfallom; Robert E. Keane
Source: Res. Note RMRS-RN-42. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 5 p.
Publication Series: Research Note (RN)
Station: Rocky Mountain Research Station
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DescriptionIn 2003, lightning-caused fires burned through relict ponderosa pine (Pinus ponderosa) stands in the Bob Marshall Wilderness, Montana, after decades of fire exclusion. Since many trees in these stands had Native American bark-peeling scars, concern arose about the adverse fire effects on this cultural and ecological resource. In 2004, Keane and others (2006) began a post-fire monitoring study of the relict pine stands. In 2009, we completed a six year re-measurement of those stands. We found that many of the pines with major fire injury had recovered, and tree mortality was not as high as initially estimated. A low-intensity surface fire, prescribed or lightning-caused, within the next 10 years will help preserve the health of these stands in the future.
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CitationLeirfallom, Signe B.; Keane, Robert E. 2011. Six-year post-fire mortality and health of relict ponderosa pines in the Bob Marshall Wilderness Area, Montana. Res. Note RMRS-RN-42. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 5 p.
KeywordsBob Marshall Wilderness, wilderness prescribed fire, bark-peeled trees, post-fire mortality, Pinus ponderosa
- Ponderosa pine mortality in the Bob Marshall Wilderness after successive fires over 14 years
- Fire-catalyzed vegetation shifts in ponderosa pine and Douglas-fir forests of the western United States
- Susceptibility of ponderosa pine, Pinus ponderosa (Dougl. Ex Laws.), to mountain pine beetle, Dendroctonus ponderosae Hopkins, attack in uneven-aged stands in the Black Hills of South Dakota and Wyoming USA
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