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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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PRINTED FROM CHICAGO SCHOLARSHIP ONLINE (www.chicago.universitypressscholarship.com). (c) Copyright University of Chicago Press, 2022. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in CHSO for personal use.date: 18 May 2022

Immigration and Emigration

Immigration and Emigration

(p.81) Chapter Five Immigration and Emigration
Population Fluctuations in Rodents

Charles J. Krebs

University of Chicago Press

This chapter, which investigates studies of rodent immigration and emigration, and their contribution to the understanding of rodent population dynamics, begins by illustrating source-sink dynamics—sources, in which births exceed deaths, and sinks, in which deaths exceed births. This is followed by a discussion on the classification of dispersal movements in relation to population changes in field populations, as well as methoids that define dispersers in the field. The chapter also examines natal dispersal and breeding dispersal and the ways in which social interactions influence population fluctuations, before finally discussing the mechanisms that underlie dispersal in small rodents.

Keywords:   immigration, emigration, population dynamics, source-sink dynamics, dispersal, dispersers, natal dispersal, breeding dispersal

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