Tracking changes in the susceptibility of forest land infested with gypsy moth
David A. Gansner, John Quimby, Susan L. King, Stanford L. Arner, David Drake
Abstract
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David A. Gansner, John Quimby, Susan L. King, Stanford L. Arner, David Drake
Abstract
Open-access reader
Does forest land subjected to intensive outbreaks of gypsy moth (Lymantria &par L.) become less susceptible to defoliation?A model for estimating the likelihood of gypsy moth defoliation has been developed and validated.It was applied to forest-inventory plot data lo quantify trends in the susceptibility of forest land in south-central Pennsylvania during a period of intensive infestation.Results show that even though susceptibility of the region's forest apparently has declined, the potential for future defoliation remains relatively high.
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Does forest land subjected to intensive outbreaks of gypsy moth (Lymantria &par L.) become less susceptible to defoliation?A model for estimating the likelihood of gypsy moth defoliation has been developed and validated.It was applied to forest-inventory plot data lo quantify trends in the susceptibility of forest land in south-central Pennsylvania during a period of intensive infestation.Results show that even though susceptibility of the region's forest apparently has declined, the potential for future defoliation remains relatively high.
Key concepts: Gypsy moth, Lymantria dispar, Outbreak, Infestation, Geography, Forestry, Ecology, Biology