수산해양기술연구 (Journal of the Korean Society of Fisheries and Ocean Technology)

  • 제43권4호
  • /
  • Pages.310-319
  • /
  • 2007
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  • 2671-9940(pISSN)
  • /
  • 2671-9924(eISSN)
한국수산해양기술학회 (The Korean Society of Fisheries and Ocean Technology)
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북서태평양 공해의 원양오징어채낚기 어획조사

Fishing investigation of neon flying squid by jigging fishery in the high seas of the Northwest Pacific

  • 김두남 (국립수산과학원 해외자원팀) ;
  • 김영승 (국립수산과학원 해외자원팀) ;
  • 조현수 (국립수산과학원 해외자원팀) ;
  • 오택윤 (남해수산연구소 자원환경팀)
  • Kim, Doo-Nam (Distant-water fisheries Resources Team, National Fisheries Research & Development Institute) ;
  • Kim, Yeong-Seung (Distant-water fisheries Resources Team, National Fisheries Research & Development Institute) ;
  • Jo, Hyun-Su (Distant-water fisheries Resources Team, National Fisheries Research & Development Institute) ;
  • Oh, Taeg-Yun (Fisheries Resources and Environment Team, South Sea Fisheries Research Institute, NFRDI)
  • 발행 : 2007.11.30
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초록

To investigate the catches of squid jigging fishery, a series of fishing experiments was conducted in the high seas of the Northwest Pacific($40^{\circ}-43^{\circ}N$, $150^{\circ}-155^{\circ}E$) during the period of 1 August to 22 October 2005 by commercial fishing vessel. The number of 142 test fishing was carried out in the Northwest Pacific during 83days. The total catch were 47,524kg as 4 squid species and CPUE was $8.9kg/line{\cdot}day$. CPUE showed high values in the frontal zone during the survey. Main squid species caught from the experimental fishing were the neon flying squid, Ommastrephes bartrami(96.8%) and the boreopacific gonate squid, Gonatopsis borealis(3.2%). Dorsal mantle length of the neon flying squid were increased by the time and increasing of the hook size. Loss rate of the neon flying squid in the water showed the highest values in 28.2% compare to the others. And the loss rate of the front roller and in the air were 1.1% and 1.0%, respectively.

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참고문헌

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