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Title: Analysis of spatial density dependence in gypsy moth mortality

Author: Liebhold, Andrew; Elkinton, Joseph S.;

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: 50.

Publication Series: General Technical Report (GTR)

   Note: This article is part of a larger document. View the larger document

Description: The gypsy moth is perhaps the most widely studied forest insect in the world and much of this research has focused on various aspects of population dynamics. But despite this voluminous amount of research we still lack a good understanding of which, if any, natural enemy species regulate gypsy moth populations. The classical approach to analyzing insect population dynamics is the collection of a series of life-tables, stratified over several generations at the same location(s). This type of approach is valuable for detecting temporal density-dependent mortality and delayed density-dependence but recent theoretical studies have shown that the classical approach fails to quantify the relation of spatial heterogeneity in density and mortality and that this "spatial density-dependence" may have profound effects on the regulatory role of a mortality agent.

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Citation:


Liebhold, Andrew; Elkinton, Joseph S. 1991. Analysis of spatial density dependence in gypsy moth mortality. 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: 50.

 


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