Title: Tracking changes in the susceptibility of forest land infested with gypsy moth
Author: Gansner, David A.; Quimby, John W.; King, Susan L.; Arner, Stanford L.; Drake, David A.
Source: Res. Pap. NE-690. Radnor, PA: US. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4 p.
Description: Does forest land subject to intensive outbreaks of gypsy moth (Lymantria dispar 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 to 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 deciined, the potential for future infestations remains relatively high.
Keywords: Forest health, defoliation, susceptibility, hazard classification, Lymantria dispar L.
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Gansner, David A.; Quimby, John W.; King, Susan L.; Arner, Stanford L.; Drake, David A. 1994. Tracking changes in the susceptibility of forest land infested with gypsy moth. Res. Pap. NE-690. Radnor, PA: US. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4 p.
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