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Population Fluctuations in Rodents$
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Charles J. Krebs

Print publication date: 2013

Print ISBN-13: 9780226010359

Published to Chicago Scholarship Online: September 2013

DOI: 10.7208/chicago/9780226010496.001.0001

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Multifactor Explanations of Fluctuations

Multifactor Explanations of Fluctuations

(p.190) Chapter Twelve Multifactor Explanations of Fluctuations
Population Fluctuations in Rodents

Charles J. Krebs

University of Chicago Press

This chapter discusses multiple factor explanations for population fluctuations in rodents. The following multiple-factor hypotheses are considered: (1) many factors affect population changes; (2) food quality and predation are key parameters causing density changes in small rodents; and (3) food quality, predation, and social behavior interact to cause density changes in small rodents. The chapter also elaborates the exploitation ecosystems hypothesis, which is a useful template with which ecologists can fit small rodent dynamics into ecosystems of differing primary productivity.

Keywords:   multiple factor explanations, population fluctuations, multiple-factor hypotheses, food quality, predation, social behavior, exploitation ecosystems hypothesis

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