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インド洋におけるメバチ漁場の季節変化と環境要因との関係
https://fra.repo.nii.ac.jp/records/2011679
https://fra.repo.nii.ac.jp/records/2011679972e2f73-119c-45f7-bd12-bb5170ecb963
| Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2024-10-11 | |||||
| タイトル | ||||||
| タイトル | インド洋におけるメバチ漁場の季節変化と環境要因との関係 | |||||
| 言語 | ja | |||||
| タイトル | ||||||
| タイトル | Seasonal changes in bigeye tuna fishing areas in relation to the oceanographic parameters in the Indian Ocean | |||||
| 言語 | en | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| 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 | departmental bulletin paper | |||||
| アクセス権 | ||||||
| アクセス権 | open access | |||||
| アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
| 著者 |
毛利, 雅彦
× 毛利, 雅彦 |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | In this report, the significant oceanographic factors influencing spatial-distributions for bigeye tuna species in the Indian Ocean were investigated on the basis of the data collected and accumulated in the past years. The results show that bigeye tuna are distributed in water with the optimum temperature in a range of 10°C-16°C irrespective of their sexual maturity and water mass. Accordingly, the vertical distribution of tuna is predicted by the temperature profile; the tunas are only found in the deeper layer in the tropical regin while they are distributed up to the shallower layer in the middle latitude. On the other hand, the bigeye tuna reaching the maturity is found only beneath the layer between 0 and 50m where the sea water temperature exceeds 26°C. The size of fishing ground in the tropical region decreases during the period between June and September. This decrease coincides with the decrease in sea area where the water temperature in the layer above 50m is warmer than 26°C. During this period, however, the size of the fishing ground in the middle latitude increases. Accordingly, the bigeye tunas in the middle latitude are younger and in the growing stage while those reaching maturity are dominate in the tropical region, and this bigeye tuna distribution is dependent on the vertical temperature profile of each sea area. | |||||
| 言語 | en | |||||
| 書誌情報 |
ja : 水産大学校研究報告 en : Journal of National Fisheries University 巻 47, 号 2, p. 43-54, ページ数 12, 発行日 1999-01 |
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| 出版者 | ||||||
| 出版者 | 水産大学校 | |||||
| 言語 | ja | |||||
| 出版者 | ||||||
| 出版者 | National Fisheries University | |||||
| 言語 | en | |||||
| ISSN | ||||||
| 収録物識別子タイプ | PISSN | |||||
| 収録物識別子 | 0370-9361 | |||||
| 書誌レコードID | ||||||
| 収録物識別子タイプ | NCID | |||||
| 収録物識別子 | AN00124678 | |||||
| 情報源 | ||||||
| 識別子タイプ | Local | |||||
| 関連識別子 | fishu_k_47_43 | |||||
| 関連サイト | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | https://agriknowledge.affrc.go.jp/RN/2010592500 | |||||
| 言語 | ja | |||||
| 関連名称 | 日本農学文献記事索引(agriknowledge) | |||||
