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Mountain Pine Beetle Attack in Ponderosa Pine: Comparing Methods for RatingSusceptibility

机译:黄松松树山楂攻击:评定等级敏感性的方法

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Two empirical methods for rating susceptibility of mountain pine beetle attack inponderosa pine were evaluated. The methods were compared to stand data modeled to objectively rate each sampled stand for susceptibly to bark-beetle attack. Data on bark-beetle attacks, from a survey of 45 sites throughout the Colorado Plateau, were modeled using logistic regression to estimate the probability of attack on individual trees from tree and stand variables. The logistic model allowed flexibility to easily scale results up to a stand level for comparison to the empirical methods.

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