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Density Dependence in Population Fluctuations

Published online by Cambridge University Press:  31 May 2012

Kenneth E. F. Watt
Affiliation:
Department of Zoology, University of California, Davis

Abstract

This author and others have previously proposed that causes of population fluctuations can be ascertained by regression analysis in which Nt+1/Nt is the dependent variable, and Nt is one of the independent variables. This procedure contains a bias, since the expected relationship between Nt+1/Nt and Nt is hyperbolic when there is no causal relationship. The simplest way of circumventing this difficulty is to use Nt+1, not Nt+1/Nt as the dependent variable.

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Articles
Copyright
Copyright © Entomological Society of Canada 1964

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