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Social Organization of the Vole Clethrionomys rufocanus and its Demographic and Genetic Consequences: a Review

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Title: Social Organization of the Vole Clethrionomys rufocanus and its Demographic and Genetic Consequences: a Review
Authors: ISHIBASHI, Yasuyuki Browse this author
SAITOH, Takashi Browse this author
KAWATA, Masakado Browse this author
Keywords: dispersal behavior
kin cluster
spatial genetic structure
the grey-sided vole
Issue Date: 1998
Publisher: Society of Population Ecology
Journal Title: Researches on population ecology
Volume: 40
Issue: 1
Start Page: 39
End Page: 50
Abstract: Recent findings on the relationship between social interaction and demographic process in the grey-sided vole Clethrionomys rufocanus are reviewed with reference to the findings in other microtine rodents. Social behavior was particularly focused on spacing and dispersal, and their effects on population dynamics are discussed. Female territoriality can limit a population abundance as a density-dependent factor, although its regulatory effect is controversial. Female philopatry and male-biased dispersal should bring about the clumped distribution of female relatives and genetically random distribution of males during the breeding season. The sexual difference in dispersal patterns can contribute to the mating character of the vole; promiscuous mating and low frequency of incestuous mating. However, effects of social structure, including kinship, on reproduction and survival of individuals still remains to be clarified. Molecular markers may help to solve these issues and provide new field of population ecology in microtine rodents.
Type: article
Appears in Collections:北方生物圏フィールド科学センター (Field Science Center for Northern Biosphere) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 齊藤 隆

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