한국수산과학회지 (Korean Journal of Fisheries and Aquatic Sciences)

  • 제44권4호
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  • Pages.397-402
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  • 2011
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  • 0374-8111(pISSN)
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  • 2287-8815(eISSN)
한국수산과학회 (The Korean Society of Fisheries and Aquatic Science)
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북해도 분카만(噴火灣) 새우통발어업에 있어서 혼획·투기 실태조사

A Survey of Shrimp Pot Fishery Bycatch and Discard in Funka Bay, Hokkaido, Japan

  • 김성훈 (국립수산과학원 시스템공학과) ;
  • 이주희 (부경대학교 해양생산시스템관리학부) ;
  • 김형석 (부경대학교 해양생산시스템관리학부)
  • Kim, Seong-Hun (Fisheries System Engineering Division, NFRDI) ;
  • Lee, Ju-Hee (Division of Marine Production System Management, Pukyong National University) ;
  • Kim, Hyung-Seok (Division of Marine Production System Management, Pukyong National University)
  • 투고 : 2011.03.07
  • 심사 : 2011.07.06
  • 발행 : 2011.08.30
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초록

We surveyed the bycatch and discard of the shrimp-pot fishery in Hokkaido, Japan, three times during the major fishing period in September 2005. The surveyed catches were analyzed to separate bycatch, discard, and landings. To analyze bycatch and discard, we randomly selected 2 shrimp pots from each of 7 sets, for a total of 14 pots per survey. The total bycatch and discards from the rest of the shrimp pots were also analyzed in each survey. The total catch averaged 12 species. Coonstripe and pink shrimp catches averaged 74.7 kg/haul and 12.7 kg/haul, respectively. The weight of the bycatch averaged 33.4 kg/haul. The bycatch consisted mainly of snail fishes(5.1%), brittle stars(5.0%), and short-spined sea urchins(4.1%). Our analysis showed that the ratio of discard was 0.38, the rate of the discard was 27.4%, and the discard per unit effort was 33.4 kg/haul. The Hokkaido shrimp-pot fishermen discarded all of the bycatch except shrimps. Hence, the weight of the bycatch was equal to the weight of the discard. Our results comprise preliminary data that can be used to find ways to reduce bycatch and discard in the shrimp-pot fishery.

키워드

참고문헌

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피인용 문헌

  1. On the hydrodynamic resistance and stabilization of the coonstripe shrimp pot to reduce catch of a small size shrimp vol.48, pp.1, 2012, https://doi.org/10.3796/KSFT.2012.48.1.001
  2. Bycatch and discards of the whelk trap in the Uljin waters, East Sea vol.50, pp.4, 2014, https://doi.org/10.3796/KSFT.2014.50.4.520