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    Author(s): Ray R., Jr. Hicks
    Date: 1991
    Source: IN: Gottschalk, Kurt W.; Twery, Mark J.; Smith, Shirley I., eds. Proceedings, U.S. Department of Agriculture interagency gypsy moth research review 1990; East Windsor, CT. Gen. Tech. Rep. NE-146. Radnor, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 117-125.
    Publication Series: General Technical Report (GTR)
    Station: Northeastern Research Station
    PDF: View PDF  (569.3 KB)

    Description

    A gypsy moth hazard exists when forest conditions prevail that are conducive to extensive damage from gypsy moth. Combining forest hazard rating with information on insect population trends provides the basis for predicting the probability (risk) of an event occurring. The likelihood of defoliation is termed susceptibility and the probability of damage (mortality, growth loss, reduced aesthetics, etc.) is called vulnerability. Hazard rating systems are usually developed by making empirical observations of forest stands that are exposed to a gypsy moth outbreak and formulating a prediction model that can be used to estimate susceptibility and/or vulnerability of other stands.

    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

    Hicks, Ray R., Jr. 1991. Hazard rating forest stands for gypsy moth. IN: Gottschalk, Kurt W.; Twery, Mark J.; Smith, Shirley I., eds. Proceedings, U.S. Department of Agriculture interagency gypsy moth research review 1990; East Windsor, CT. Gen. Tech. Rep. NE-146. Radnor, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 117-125.

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