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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

Chapter:
(p.190) Chapter Twelve Multifactor Explanations of Fluctuations
Source:
Population Fluctuations in Rodents
Author(s):

Charles J. Krebs

Publisher:
University of Chicago Press
DOI:10.7208/chicago/9780226010496.003.0012

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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