WEKO3
アイテム
調査用中層トロール網 (Yoko-II 型改) の曳網特性
https://fra.repo.nii.ac.jp/records/2008168
https://fra.repo.nii.ac.jp/records/2008168c4dc7cda-9734-42a9-a91e-6eb4d27fb1a7
| Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2024-06-20 | |||||
| タイトル | ||||||
| タイトル | 調査用中層トロール網 (Yoko-II 型改) の曳網特性 | |||||
| 言語 | ja | |||||
| タイトル | ||||||
| タイトル | Towing Performance of An Improved Yoko-Ⅱ Midwater Trawl Designed for Research Purposes | |||||
| 言語 | en | |||||
| 言語 | ||||||
| 言語 | jpn | |||||
| 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 | metadata only access | |||||
| アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
| 著者 |
手島, 和之
× 手島, 和之× 藤石, 昭生× 久保田, 勝彦× 井上, 悟× 永松, 公明× 阿部, 寧× 築山, 一雄× 竹下, 貢二 |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | The towing performance of an improved Yoko-II midwater trawl was examined during November 7-13, 1991 aboard the research vessel Yoko-Maru off Oki Islands, Shimane Prefecture, Japan. At a given warp length, the trawl tended to rise to shallower depths as the towing speed was increased from 2.5 to 4.0 knots. At all towing speeds, the trawl tended to sink to greater depth, but trawl path showed greater periodic fluctuations in depth as the warp length was increased. These periodic vertical fluctuations at lower towing speeds of 2.5 and 3.0 knots were much greater than those at higher towing speeds of 3.5 and 4.0 knots in which the trawl path remained at almost the same depth. At towing speeds of 3.0 and 3.5 knots, the height of the net mouth decreased and the wing spread increased as the warp length was increased. The net mouth was believed to become circular in shape at a towing speed of 3.0 knots and a warp length of about 350 m and also at a towing speed of 3.5 knots and a warp length of about 380 m. | |||||
| 言語 | en | |||||
| 書誌情報 |
ja : 西海区水産研究所研究報告 en : Bulletin of the Seikai National Fisheries Research Institute 巻 71, p. 9-16, ページ数 8, 発行日 1993-12 |
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| 出版者 | ||||||
| 出版者 | 西海区水産研究所 | |||||
| 言語 | ja | |||||
| 出版者 | ||||||
| 出版者 | Seikai National Fisheries Research Institute | |||||
| 言語 | en | |||||
| ISSN | ||||||
| 収録物識別子タイプ | PISSN | |||||
| 収録物識別子 | 0582-415X | |||||
| 書誌レコードID | ||||||
| 収録物識別子タイプ | NCID | |||||
| 収録物識別子 | AN00393385 | |||||
| 情報源 | ||||||
| 識別子タイプ | Local | |||||
| 関連識別子 | snf_k_71_9 | |||||
| 関連サイト | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | https://agriknowledge.affrc.go.jp/RN/2010500420 | |||||
| 言語 | ja | |||||
| 関連名称 | 日本農学文献記事索引(agriknowledge) | |||||
