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

  • 제57권1호
  • /
  • Pages.78-91
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  • 2021
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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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우리나라에 분포하는 꼼치(Liparis tanakae)의 생식생태와 어업경영에 관한 연구

A study on change of reproductive biology and fishing business of snailfish, Liparis tanakae in Korea

  • 송세현 (국립수산과학원 수산자원연구센터) ;
  • 이해원 (국립수산과학원 수산자원연구센터) ;
  • 전복순 (국립수산과학원 수산자원연구센터) ;
  • 김희준 (국립수산과학원 수산자원연구센터) ;
  • 정재묵 (국립수산과학원 수산자원연구센터) ;
  • 오택윤 (국립수산과학원 수산자원연구센터)
  • SONG, Se Hyun (Fisheries Resources Research Center, National Institute of Fisheries Science) ;
  • LEE, Hae Won (Fisheries Resources Research Center, National Institute of Fisheries Science) ;
  • JEON, Bok Soon (Fisheries Resources Research Center, National Institute of Fisheries Science) ;
  • KIM, Hee Jun (Fisheries Resources Research Center, National Institute of Fisheries Science) ;
  • JUNG, Jae Mook (Fisheries Resources Research Center, National Institute of Fisheries Science) ;
  • OH, Taeg Yun (Fisheries Resources Research Center, National Institute of Fisheries Science)
  • 투고 : 2020.10.30
  • 심사 : 2021.01.25
  • 발행 : 2021.02.28
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초록

This study analyzed the reproductive biology, fishing characteristics and changes in fishing business of Liparis tanakae, snailfish collected from September to March. It was the period when they were mainly caught from 2018 to 2020. The average length was generally small in September and October and was large in January and February. The average body weight was generally around 1,500 g and the average body weight in autumn was lower and in winter was higher. The sex ratio of male and female was 0.40:0.60 (��2 test, p < 0.05). The spawning period was estimated from October to February and the main spawning period was from December to February through the GSI. The egg diameter of matured staged female L. tanakae was 0.11-1.48 mm, which was the main spawning period and the relationship between body weight and fecundity was F = 1849TL0.1093 (r2 = 0.2401). The monthly catch of L. tanakae was high from November to February, the time of migrating to the coastal area. Coastal gillnet fishery showed the highest percentage of all fisheries catching Liparis spp. Liparis spp. were caught at a high rate in winter in Chungnam, Jeonbuk, Jeonnam and Gyeongnam region, and revenue and cost was increased since 2017. Assuming a situation where there is no catch of Liparis spp., the fishing profit that can be obtained was the highest in Gyeongnam region and the dependence on fishing of Liparis spp. by coastal gillnet fishery was high.

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참고문헌

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