{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1390287783176730240.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.14907/primate.36.0_22_1"}},{"identifier":{"@type":"NAID","@value":"130008029076"}}],"dc:title":[{"@language":"en","@value":"Female relationships in different sexual states among wild bonobos"},{"@language":"ja","@value":"ボノボのメスの社会的・性的交渉における相手選択の傾向"}],"dc:language":"ja","description":[{"type":"abstract","notation":[{"@language":"ja","@value":"<p>ボノボは類人猿の中で唯一、メス中心社会を築いている。メスの社会的順位はオスと同等またはそれ以上であり、社会的交渉や性的交渉、遊動の主導権はメスが握ると言われ、このようなメスの特徴が平和的な社会を維持するのに重要だとされている。またボノボは、交尾を繁殖目的だけではなく、食物分配のために行うなど、社会的機能を含むことがあり、メス同士では「ホカホカ」と呼ばれる特徴的な社会的・性的交渉が観察される。さらに、ボノボのメスには「ニセ発情」と呼ばれる、排卵を伴わずに性皮を腫脹させる特徴的な生理状態がある。チンパンジーと比較すると、ボノボは社会構造、社会的・性的交渉、メスの生理状態において大きく異なる特徴を持つ。 これまでの遺伝的研究では、ボノボの子どもの50%以上はアルファオスの子どもであるため、高順位オスは効率的に交尾を独占しているだろうと言われていた。一方で、行動観察からは、ボノボは常に複数のメスが同時に性皮を腫脹させているため、高順位オスは交尾を独占できないだろうとも言われていた。また、「ホカホカ」は社会的緊張の緩和や順位誇示など、複合的な機能があると考えられてきた。しかし、ボノボの社会的・性的交渉をメスの生理状態と行動学の見地から分析した研究は少ない。 本研究では、コンゴ民共和国ルオー学術保護区にて、ボノボの交尾と「ホカホカ」における相手選択の傾向と、メスの生理状態との関連を分析した。その結果、高順位オスは相手のメスの生理状態に関わらず、独占的に交尾をしている傾向が見られた。また、「ホカホカ」では、高順位メスが誘いかけることが多く、他の調査地で見られるような、マウントポジションを取ることによる順位誇示は行われていないことが明らかになった。</p>"}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410287783176730242","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000412160700"},{"@type":"NRID","@value":"9000406226691"},{"@type":"NRID","@value":"9000410022721"},{"@type":"NRID","@value":"9000408489516"},{"@type":"NRID","@value":"9000413945748"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/takumasa-yokoyama"}],"foaf:name":[{"@language":"en","@value":"YOKOYAMA Takumasa"},{"@language":"ja","@value":"横山 拓真"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"京都大・霊長研"},{"@language":"en","@value":"Kyoto Univ., 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