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Progress report on a new research project related to su stainable wildlife management and community-based conservation in the Crocker Range Park, Sabah, Malaysia
Takumasa Yokoyama
Journal of Human Studies and Gender Studies No. 20 p. 85-95 2025/03/31
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島嶼地域における人と動物の相互関係の動態愛媛県大三島における人-イノシシ-野良犬関係に注目して
松浦直毅, 内田桃果, 間山さやか, 横山拓真
人間学・ジェンダー研究 No. 20 p. 20-31 2025/03/31
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Snapshot Japan 2023: the first camera trap dataset under a globally standardised protocol in Japan
Keita Fukasawa, Takahiro Morosawa, Yoshihiro Nakashima, Shun Takagi, Takumasa Yokoyama, Masaki Ando, Hayato Iijima, Masayuki Saito, Nao Kumada, Kahoko Tochigi, Akira Yoshioka, Satsuki Funatsu, Shinsuke Koike, Hiroyuki Uno, Takaaki Enomoto, William McShea, Roland Kays
Biodiversity Data Journal Vol. 13 2025/03/13 Research paper (scientific journal)
Publisher: Pensoft Publishers
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愛媛県・⼤三島における野⽣イノシシの⽣態と獣害に関する予備調査報告
横山拓真
生態人類学会ニュースレター Vol. 30 p. 71-73 2025/01
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Partner choice in the socio-sexual interactions among wild bonobos (Pan paniscus)
Takumasa Yokoyama
Kyoto University. Ph.D. thesis 2023/03 Doctoral thesis
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Column: What Kinds of Sexual Functions Does Genito-Genital Rubbing Have as a Sociosexual Behavior?
Takumasa Yokoyama
Bonobos and People at Wamba: 50 Years of Research p. 229-231 2023 Part of collection (book)
Publisher: Springer Nature Singapore
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Partner choice in genito-genital rubbing among female bonobos (Pan paniscus) is highly dependent on physical proximity
Takumasa Yokoyama, Takeshi Furuichi
Primates Vol. 64 No. 1 p. 25-33 2023/01 Research paper (scientific journal)
Publisher: Springer Science and Business Media LLC
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Why bonobos show a high reproductive skew towards high-ranking males: analyses for association and mating patterns concerning female sexual states
Takumasa Yokoyama, Takeshi Furuichi
Primates Vol. 63 No. 5 p. 483-494 2022/09 Research paper (scientific journal)
Publisher: Springer Science and Business Media {LLC}
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Do female bonobos (Pan paniscus) disperse at the onset of puberty? Hormonal and behavioral changes related to their dispersal timing
Kazuya Toda, Keiko Mouri, Heungjin Ryu, Tetsuya Sakamaki, Nahoko Tokuyama, Takumasa Yokoyama, Shohei Shibata, Marie-Laure Poiret, Keiko Shimizu, Chie Hashimoto, Takeshi Furuichi
Hormones and Behavior Vol. 142 p. 105159-105159 2022/06 Research paper (scientific journal)
Publisher: Elsevier BV
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Non-lethal handling of a captured duiker by a bonobo (Pan paniscus) at Wamba: Implications for prey image in bonobos
Pan Africa News Vol. 28 No. 1 p. 5-7 2021/06
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Behavioral responses toward a conspecific corpse of wild bonobos (Pan paniscus) at Wamba
Takumasa Yokoyama, Satoshi Yasumoto
Pan Africa News Vol. 26 No. 2 p. 16-18 2019/12
Publisher: Mahale Wildlife Conservation Society
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雌雄中性と男性・女性の境界 -名古屋とセネガルから多様性を問う-
横山拓真
東北大学 修士論文 2017/03