Survival of dispersing and philopatric yellow-bellied marmots: what is the cost of dispersal?

Authors: Van Vuren, D.; Armitage, K. B.

Year: 1994

Journal: Oikos, Vol. 69, pp. 179-181

Publisher: UNKNOWN

Keywords: DISPERSAL, MAMMALOGY, MARMOT, RMBL

Abstract

Understanding the evolution of dispersal has been hindered by a lack of reliable measures of the cost of dispersal. We report that survival of dispersing yellow-bellied marmots (Marmota flaviventris) (0.73) was only 16% less than survival of philopatric marmots (0.87). A cost-benefit analysis reveals that the survival cost of dispersal may be less than some other costs of philopatry; thus, dispersal is explicable as a tactic to improve individual fitness

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Survival of dispersing and philopatric yellow-bellied marmots: what is the cost of dispersal?

Abstract

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