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dc.contributor.authorTAKAHATA, Yukioen
dc.contributor.authorKOYAMA, Naokien
dc.contributor.authorICHINO, Shin'ichiroen
dc.contributor.authorMIYAMOTO, Naomien
dc.contributor.authorSOMA, Takayoen
dc.contributor.authorNAKAMICHI, Masayukien
dc.date.accessioned2013-04-23T07:28:39Z-
dc.date.available2013-04-23T07:28:39Z-
dc.date.issued2013-03-
dc.identifier.issn0285-1601-
dc.identifier.urihttp://hdl.handle.net/2433/173532-
dc.description.abstractIn a 13-year study, we examined the birth sex ratio (BSR) of wild ringtailed lemurs at Berenty Reserve in Madagascar. Their BSR represented an equal sex ratio at the population level, irrespective of population change. High-ranking females did not always overproduce sons or daughters. In newly formed groups, females did not always overproduce daughters, and the BSR of young females was similar to an equal sex ratio. Thus, our data do not support the Trivers–Willard, local resource competition–population, or local resource enhancement hypotheses. Only one significant skewed BSR was observed: low-ranking females in medium-sized groups overproduced sons. This finding may support the local resource competition–individual hypothesis, but does not do so robustly.en
dc.format.mimetypeapplication/pdf-
dc.language.isoeng-
dc.publisherThe Center for African Area Studies, Kyoto Universityen
dc.publisher.alternative京都大学アフリカ地域研究資料センターja
dc.subjectLemur cattaen
dc.subjectBirth sex ratioen
dc.subjectLocal resource competitionen
dc.subject.ndc240-
dc.titleDO RINGTAILED LEMURS EXHIBIT A SKEWED BIRTH SEX RATIO DEPENDING ON SOCIAL AND ENVIRONMENTAL CONDITIONS? A PRELIMINARY ANALYSIS OF A WILD POPULATIONen
dc.typejournal article-
dc.type.niitypeJournal Article-
dc.identifier.ncidAA10626444-
dc.identifier.jtitleAfrican Study Monographsen
dc.identifier.volume34-
dc.identifier.issue1-
dc.identifier.spage57-
dc.identifier.epage64-
dc.textversionpublisher-
dc.sortkey03-
dc.addressSchool of Policy Studies, Kwansei Gakuin Universityen
dc.addressProfessor Emeritus, The Center for African Area Studies, Kyoto Universityen
dc.addressPrimate Research Institute, Kyoto Universityen
dc.addressGraduate School of Asian and African Area Studies, Kyoto Universityen
dc.addressGraduate School of Asian and African Area Studies, Kyoto Universityen
dc.addressFaculty of Human Sciences, Osaka Universityen
dc.identifier.selfDOI10.14989/173532-
dcterms.accessRightsopen access-
dc.identifier.pissn0285-1601-
Appears in Collections:Vol.34 No.1

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