Photograph by Logan and MacFarlane Et al
References: Gibson, K., K. Skov, S. Kegley, C. Jorgensen, S. Smith, and J. Witcosky. 2008. Mountain pinebeetle impacts in high-elevation five-needle pines: cur rent trends and challenges. USD. Forest Service, Forest Health Protection R1-08-020. Logan, J. A., and B. J. Bentz. 1999. Model analysis of mountain pine beetle seasonality. Environmental Entomology 28:924-934. Logan, J. A., and J. A. Powell. 2001. Ghost forests, global warming, and the mountain pine beetle. American Entomologist 47:160-173. Mattson D. J, Blanchard B. M, Knight R. R 1992.Yellowstone grizzly bear mortality, human habituation, and whitebark pine seed crops. Journal of Wildlife Management 56:432-442. Turiano, T. 2003. Select peaks of Greater Yellowstone: a mountaineering Spring 2010
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