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

  • 제49권4호
  • /
  • Pages.404-418
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  • 2013
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  • 2671-9940(pISSN)
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  • 2671-9924(eISSN)
한국수산해양기술학회 (The Korean Society of Fisheries and Ocean Technology)
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진도해역 낭장망의 어획물 실태에 따른 어업관리 방안

Study for fishery management measure on gape net with wings with catch composition in the water of Jin-do

  • 신종근 (국립수산과학원 기반연구부) ;
  • 최문성 (국립수산과학원 남서해수산연구소 자원환경과) ;
  • 서영일 (국립수산과학원 자원관리과) ;
  • 차형기 (국립수산과학원 남서해수산연구소 아열대수산연구센터) ;
  • 이선길 (국립수산과학원 남서해수산연구소 자원환경과) ;
  • 김희용 (국립수산과학원 남서해수산연구소 자원환경과) ;
  • 오택윤 (국립수산과학원 자원관리과)
  • 투고 : 2013.10.04
  • 심사 : 2013.11.08
  • 발행 : 2013.11.30
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초록

In this study, we conducted field surveys to investigate and analyze species and length composition of catch from gape net with wings being set in two areas - Masari, Supomri - located in southern part of Jin-do for understanding fishing characteristics of gape net with wings fishery from March to September of 2011. And with those results, we attempted to propose fishery management strategy to harvest fisheries resources continuously. Catch obtained from field surveys comprised total 78 species, which accounted for 53 species of fish, 20 species of crustacean, 4 species of cephalopod and one of polychaete. As to species composition in weight, it showed that there was 88.5% for pisces, 9.0% for cephalopoda and 2.5% for crustacea. As to catch specifics by area, there was 36 species (596,891 individual, 456,551g) of pisces, 17 species (35,815 individual, 12,909g) of crustacea and 3 species (2,876 individual, 3,004g) of cephalopoda in Masari area. In Supumri area, there was 41 species (396,898 individual, 281,457g) of pisces, 15 species (16,113 individual, 7,772g) of crustacea and 4 species (6,792 individual, 72,329g) of cephalopoda and one polychaeta (36 individual, 11g). Catch of anchovy by month recorded on high level on June, July, September in both areas. When considering size composition by month, it was found that new populations recruit to these fishing grounds on June and September. Most of bycatch species including hairtail (Trichiurus lepturus), dotted gizzard shad (Konosirus punctatus), conger eel (Leptocephalous), Pacific sandlance (Ammodytes personatus), horse mackerel (Trachurus japonicus) were juvenile, and grass puffer (Takifugu niphobles), Kammal thryssa (Thryssa kammalensis), Japanese sardinella (Sardinella zunasi) were also small in size. As a result, it is considered that gape net with wings fishery which is likely to catch juvenile needs to be set fishing prohibit period for conserving above stocks during the period excluding main fishing periods of anchovy or fisheries management such as expanding mesh size for preventing juvenile catch.

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피인용 문헌

  1. Comparison of fishing gears and catches by areas in the Gape net with wings in Jeonnam, Korea vol.50, pp.3, 2014, https://doi.org/10.3796/KSFT.2014.50.3.301