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The BeaverIts Life and Impact$
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Dietland Muller-Schwarze

Print publication date: 2011

Print ISBN-13: 9780801450105

Published to Cornell Scholarship Online: August 2016

DOI: 10.7591/cornell/9780801450105.001.0001

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Population Densities and Dynamics

Population Densities and Dynamics

Chapter:
(p.97) Chapter 11 Population Densities and Dynamics
Source:
The Beaver
Author(s):

Dietland Müller-Schwarze

Publisher:
Cornell University Press
DOI:10.7591/cornell/9780801450105.003.0011

This chapter provides an overview of beaver population densities and population dynamics. Beavers hold territories that contain essential food and water resources, thus limiting their population density in a given area. Because water is indispensable to beavers, the density of beavers is typically calculated as the number of colonies along a unit length of stream and the numbers of beavers in each colony. Others calculate the population density as number of colonies per area. This chapter discusses beaver colony size, population composition, and survivorship curve. It also considers population growth and how beaver populations respond to experimental removal of beavers from a small area as well as to population saturation. Finally, it describes the characteristics of the so-called climax population of beavers.

Keywords:   beaver, population density, population dynamics, colony size, population composition, survivorship curve, population growth, beaver populations, population saturation, climax population

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