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Spatial and temporal variation in the distribution of juvenile southern bluefin tuna Thunnus maccoyii: implication for precise estimation of recruitment abundance indices
http://hdl.handle.net/10069/25189
http://hdl.handle.net/10069/25189a518bacc-a87c-4e6f-8a7c-0c37a7562c74
名前 / ファイル | ライセンス | アクション |
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FisSci76_403.pdf (531.3 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2011-06-06 | |||||
タイトル | ||||||
タイトル | Spatial and temporal variation in the distribution of juvenile southern bluefin tuna Thunnus maccoyii: implication for precise estimation of recruitment abundance indices | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Acoustic telemetry | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Migratory pathway | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Movement patterns | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Recruitment abundance index | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Residence time | |||||
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 |
Fujioka, Ko
× Fujioka, Ko× Kawabe, Ryo× Hobday, Alistair J.× Takao, Yoshimi× Miyashita, Kazushi× Sakai, Osamu× Itoh, Tomoyuki |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Acoustic tags were used to examine the spatial and temporal distribution of southern bluefin tuna (SBT) in southern Western Australia, which is in a region where fishery-independent acoustic surveys of the recruitment abundance index of SBT have been historically undertaken. We investigated patterns of SBT distribution within and inshore of the acoustic survey area during three summer seasons. Annual differences in distribution patterns were characterized by two distinctive migration pathways. An inshore-migrating pathway was observed in two seasons (2004/2005 and 2006/2007), with a relatively high proportion of tagged SBT (84.5, 65.0%) migrating inshore of the acoustic survey area. The other pathway was concentrated along the shelf (2005/2006 season), with an estimated 63.3% of tagged SBT moving within the survey area. These variable migration patterns may bias the interannual fluctuations in abundance indices. Current survey methods can be modified to include both inshore and continental shelf areas. This contribution shows that the accuracy of acoustic surveys can be improved by including ecological patterns. | |||||
書誌情報 |
Fisheries Science 巻 76, 号 3, p. 403-410, 発行日 2010-05 |
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出版者 | ||||||
出版者 | 日本水産学会 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 09199268 | |||||
EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 14442906 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10993718 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1007/s12562-010-0228-4 | |||||
権利 | ||||||
権利情報 | © The Japanese Society of Fisheries Science 2010 | |||||
権利 | ||||||
権利情報 | The original publication is available at www.springerlink.com | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Fisheries Science, 76(3), pp.403-410; 2010 |