Effect of the life history pattern on bioenergetic parameters of northern red-backed voles (Myodes rutilus Pall.) in a mountain taiga population from the south of Western Siberia

Effect of the life history pattern on bioenergetic parameters of northern red-backed voles... To test the hypothesis of relationship between the age at maturity, metabolic rate, and life span of rodents, variation in bioenergetic parameters in northern red-backed voles (Myodes rutilus) was analyzed depending on their reproductive status and type of ontogeny. Standard metabolic rate was found to be significantly lower in young of the year that remained nonreproductive in the year of birth than in reproductive young of the year and overwintered voles. Maximal metabolic rate and the ability to maintain temperature homeostasis under cold exposure were independent of reproductive status and life history pattern but varied depending on phases of the population cycle, increasing in years with low animal abundance. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Ecology Springer Journals

Effect of the life history pattern on bioenergetic parameters of northern red-backed voles (Myodes rutilus Pall.) in a mountain taiga population from the south of Western Siberia

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Publisher
Springer Journals
Copyright
Copyright © 2015 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Ecology; Environment, general
ISSN
1067-4136
eISSN
1608-3334
D.O.I.
10.1134/S106741361505015X
Publisher site
See Article on Publisher Site

Abstract

To test the hypothesis of relationship between the age at maturity, metabolic rate, and life span of rodents, variation in bioenergetic parameters in northern red-backed voles (Myodes rutilus) was analyzed depending on their reproductive status and type of ontogeny. Standard metabolic rate was found to be significantly lower in young of the year that remained nonreproductive in the year of birth than in reproductive young of the year and overwintered voles. Maximal metabolic rate and the ability to maintain temperature homeostasis under cold exposure were independent of reproductive status and life history pattern but varied depending on phases of the population cycle, increasing in years with low animal abundance.

Journal

Russian Journal of EcologySpringer Journals

Published: Aug 21, 2015

References

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