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

The Korean Society of Fisheries and Ocean Technology (한국수산해양기술학회)
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An analysis on catch of the shrimp beam trawl fishery in Korea coastal sea

한국 연안해역 새우 조망어업의 어획량 분석

  • Jang, Choong-Sik (Institute of Marine Industry, Gyeongsang National University) ;
  • Cho, Youn-Hyoung (Institute of Marine Industry, Gyeongsang National University) ;
  • Lim, Chae-Rok (Institute of Marine Industry, Gyeongsang National University) ;
  • Kim, Bo-Yeon (Institute of Marine Industry, Gyeongsang National University) ;
  • An, Young-Su (Institute of Marine Industry, Gyeongsang National University)
  • 장충식 (경상대학교 해양산업연구소) ;
  • 조윤형 (경상대학교 해양산업연구소) ;
  • 임채록 (경상대학교 해양산업연구소) ;
  • 김보연 (경상대학교 해양산업연구소) ;
  • 안영수 (경상대학교 해양산업연구소)
  • Published : 2009.03.31
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Abstract

Experimental fishing operation by the shrimp beam trawl was carried out to investigate the bycatch in order to develop the selective fishing gear of the shrimp beam trawl fishery. The experimental trawling was performed by the prototype fishing gear in coast sea of Boryeong, Buan, Kangjin, Tongyeong and Geoje from 30 April to 13 November 2005. Bycatches of the experimental trawling were analyzed species composition, total length composition. The results obtained can be summarized as follows; Target fishes caught by the shrimp beam trawl were Palaemon gravieri, Crangon Hakodatei, Trachysalambria curvirostris, Parapenaeopsis tenellus, Rhynchocinetes uritai and Matapenaeus joyneri. And their fishing rate and total length range were 50.0%, 46.0%, 2.6%, 0.4%, 0.3%, 0.3% and 40-80mm, 40-80mm, 120-150mm, 60-80mm, 60-80mm, 60-120mm respectively. Bycatches caught by the shrimp beam trawl consisted of fishes of 30 kinds, 6 kinds of mollusk, 5 kinds of shellfishes and 3 kinds of crabs. The main fish was Engraulis japonicus, Platycephalus indicus, Paralichthys olivaceus, Leiognathus nuchalis and Conger myriaster, their occupied rate were 47.0%, 16.6%, 13.6%, 5.5%, 2.7% respectively, and their total length range were 60-150mm, 80-410mm, 80-600mm, 30-80mm and 150-460mm respectively. A number bycatch rates of shrimp beam trawl fishery were 99.7% in Buan, 60.0% in Kangjin, 14.6% in Boryeong, 10.6% in Tongyeong and 2.7% in Geoje, The weight bycatch rate were 99.9% in Buan, 75.1% in Kangjin, 57.1% in Tongyeong, 47.4% in Boryeong and 15.4% in Geoje.

Keywords

References

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