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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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Mortality and Predators

Mortality and Predators

Chapter:
(p.123) Chapter 14 Mortality and Predators
Source:
The Beaver
Author(s):

Dietland Müller-Schwarze

Publisher:
Cornell University Press
DOI:10.7591/cornell/9780801450105.003.0014

This chapter provides an overview of beaver mortality caused by predation. Without mortality at young stages, beaver populations would grow rapidly to enormous numbers. During the first six months of life, as many as 52 percent of the beaver population may perish. In the fist 2–3 years of life, mortality usually is highest, and between the ages of 5 and 9 years very few beavers die in unexploited populations. In most beaver populations the total mortality consists of two components: natural deaths from predators, accidents, disease, starvation, and so on; and deaths from trapping. This chapter looks at predators of beavers, including the wolf and coyote, beavers' antipredator behavior, and other causes of beaver mortality.

Keywords:   beaver, mortality, predation, beaver populations, death, predator, trapping, antipredator behavior, wolf, coyote

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