Efficiency of Stick-held Cast Nets in the Capture of Indian Squid in the Gulf of Thailand

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抄録

A series of light-luring fishing trials, 84 hauls for 20 days, were conducted bya commercial vessel off the west coast in the Gulf of Thailand using a stick-held cast net from March 1991-February 1992. The mean catches were approximately constant, about 16kg/haul, in a range of light-luring times from 1.5h to 5.5h. When haul by haul catches decreased, it was clearly shown that the larger squid in a shoal were captured preferentially. However, there did not appear to be any considerable changes in the size structures of squid caught by successive hauls, when haul by haul catches increased or decreased. The number of squid aggregated into the lit area was estimated to be about 1, 000-3, 000. The efficiency of the cast net may be a function of the number of squid, or in other words, a low catch efficiency might be caused mainly by dispersion of shoals at low density or by gear aturation at high density.

収録刊行物

  • Fisheries science : FS  

    Fisheries science : FS 61(5), 755-759, 1995 

    公益社団法人 日本水産学会

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各種コード

  • NII論文ID(NAID)
    10004863445
  • NII書誌ID(NCID)
    AA10993718
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09199268
  • NDL 記事登録ID
    3644486
  • NDL 刊行物分類
    RB98(水産--漁撈)
  • NDL 雑誌分類
    ZR26(科学技術--農林水産--水産)
  • NDL 請求記号
    Z54-H592
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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