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    Author(s): Christopher J. Fettig; Kenneth E. Gibson; Carl L. Jørgensen; Steven Munson; Jose F. Negrón; Justin B. Runyon; Brytten E.  Steed
    Date: 2015
    Source: Potter, K.M., and B.L. Conkling, editors. 2015. Forest Health Monitoring: National Status, Trends and Analysis, 2014. General Technical Report SRS-209. Asheville, North Carolina: U.S. Department of Agriculture, Forest Service, Southern Research Station. 190 p.
    Publication Series: Book Chapter
    Station: Southern Research Station
    PDF: Download Publication  (775.0 KB)

    Description

    Mountain pine beetle (Dendroctonus ponderosae) is a major disturbance in conifer forests of western North America, where it colonizes several tree species, perhaps most notably lodgepole pine (Pinus contorta). Recent outbreaks have been severe, long lasting, and well documented, with more than 27 million ha impacted (British Columbia Ministry of Forests 2012, USDA Forest Service 2012). Mountain pine beetle is an important part of the ecology of these forests, but extensive levels of tree mortality resulting from outbreaks may have undesirable impacts, e.g., negatively affecting aesthetics, recreation, ­re risk and severity, human safety, timber production, and real estate values, among many other factors. In some areas, the magnitude of recent outbreaks has exceeded the range of historic variability, triggering concerns about short- and long-term impacts (Bentz and others 2009).

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Fettig, Christopher J.; Gibson, Kenneth E.; Jørgensen, Carl L.; Munson, Steven; Negrón, Jose F.; Runyon, Justin B.; Steed, Brytten E. 2015. Impacts of mountain pine beetle (Dendroctonus ponderosae) outbreaks on forest conditions in the Intermountain West. Chapter 14 in K.M. Potter and B.L. Conkling, eds., Forest Health Monitoring: National Status, Trends and Analysis, 2014. General Technical Report SRS-209. Asheville, North Carolina: U.S. Department of Agriculture, Forest Service, Southern Research Station. p. 179-183.

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