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When fish were\nswimming in a current, they were seemed to hold a position constantly. But, because\nblind fish had not this tendency, the author recognized that it relied upon the sense\nof sight.\nOn the other hand, he estimated the maximum swimming velocity of fish upon the\nhypothetic that \"this is equal to the velocity just under the water surface when fish\nis going to skip up or to dive away hastily into deep\"; and he got the results that\nthe value of the maximum velocity was 200 m/min or more at least for a moment.\nGenerally, the swimming velocity under serene condition was about 1/5 of max. velocity.\nFurther-more, the author exprimented to investigate about the relations between\nshifting displacement of fish schools and their appearance on the fishing ground. 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魚群の移動と出現状況との関係
http://hdl.handle.net/10232/13477
http://hdl.handle.net/10232/1347737e270cf-173b-4e14-80bc-69c3bd460c41
名前 / ファイル | ライセンス | アクション |
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AN00040498_v7_p87-101.pdf (8.3 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2012-05-08 | |||||
タイトル | ||||||
タイトル | 魚群の移動と出現状況との関係 | |||||
タイトルよみ | ||||||
タイトルよみ | ギョグン ノ イドウ ト シュツゲン ジョウキョウ トノ カンケイ | |||||
別言語のタイトル | ||||||
その他のタイトル | Correlation between the Movement and Appearance of Fish School | |||||
著者 |
黒木, 敏郎
× 黒木, 敏郎 |
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著者よみ | ||||||
姓名 | クロキ, トシロウ | |||||
別言語の著者 | ||||||
姓名 | KUROKI, Toshiro | |||||
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 | |||||
要約(Abstract) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The author discussed about the shifting speed of fish school as the velocity against the ground, seperated from the 'pure' swimming velocity in a current. When fish were swimming in a current, they were seemed to hold a position constantly. But, because blind fish had not this tendency, the author recognized that it relied upon the sense of sight. On the other hand, he estimated the maximum swimming velocity of fish upon the hypothetic that "this is equal to the velocity just under the water surface when fish is going to skip up or to dive away hastily into deep"; and he got the results that the value of the maximum velocity was 200 m/min or more at least for a moment. Generally, the swimming velocity under serene condition was about 1/5 of max. velocity. Further-more, the author exprimented to investigate about the relations between shifting displacement of fish schools and their appearance on the fishing ground. And, according to the results of this experiments (discharging 100 of carp into 120 m ditch), he pointed out the possibility to estimate the source area and observation points (actual examples are spawning ground and fishing ones respectively). He could explain the shifting phenomena of tunny fishing ground through these ideas. Lastly, he concluded that it was very important to investigate about the movement of fish school because the shifting displacement was one of the most important factors which influenced to the variations of the fish stock and catch. |
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収録雑誌名 |
鹿児島大学水産学部紀要=Memoirs of Faculty of Fisheries Kagoshima University 巻 7, p. 87-101 |
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作成日 | ||||||
日付 | 1959-02-20 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
ISSN | 0453087X | |||||
NII書誌ID(雑誌) | ||||||
収録物識別子タイプ | NCID | |||||
NC ID | AN00040498 | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
NDC | ||||||
主題Scheme | NDC | |||||
主題 | 660 | |||||
公開者・出版者 | ||||||
出版者 | 鹿児島大学 | |||||
公開者よみ | ||||||
公開者よみ | カゴシマ ダイガク | |||||
公開者別名 | ||||||
公開者別名 | Kagoshima University |