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Alliance Formation of Indo-Pacific Bottlenose Dolphins (Tursiops aduncus) off Amakusa, Western Kyushu, Japan
http://hdl.handle.net/10069/37867
http://hdl.handle.net/10069/3786736ff72a9-d1f3-4025-9bd4-fa08310871a8
名前 / ファイル | ライセンス | アクション |
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MammalStudy42_125.pdf (2.1 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-10-01 | |||||
タイトル | ||||||
タイトル | Alliance Formation of Indo-Pacific Bottlenose Dolphins (Tursiops aduncus) off Amakusa, Western Kyushu, Japan | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | association | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | social strategy | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Nishita, Miki
× Nishita, Miki× Shirakihara, Miki× Iwasa, Naoko× Amano, Masao |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Indo-Pacific bottlenose dolphins (Tursiops aduncus) off Amakusa-Shimoshima, approximately 200 individuals, form relatively large groups frequently exceeding 100 individuals and show high site fidelity to the area around Tsuji Island, northern coast of Amakusa-Shimoshima. This suggests that individual dolphins may have long interaction times with many other individuals. Consequently, competition between males is likely to be high and formation of alliances may be expected. However, this has not yet been confirmed. With photo-identification data collected between 2010 and 2014, we examined individual associations. Pairs of males formed significantly non-random associations for multiple years, and were seen surrounding females, many of whom were considered to be receptive at that time. Our results suggest that male Indo-Pacific bottlenose dolphins form alliances in this population, where dolphins form large groups and show high site-fidelity. | |||||
書誌情報 |
Mammal Study 巻 42, 号 3, p. 125-130, 発行日 2017-09 |
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出版者 | ||||||
出版者 | Mammal Society of Japan | |||||
出版者別言語 | ||||||
日本哺乳類学会 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 13434152 | |||||
EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 13486160 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.3106/041.042.0302 | |||||
権利 | ||||||
権利情報 | c Mammal Society of Japan | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Mammal Study, 42(3), pp.125-130; 2017 |