우리나라에 분포하는 꼼치(Liparis tanakae )의 생 식생태와 어업경영에 관한 연구
분야
수해양 > 어업학
저자
송세현 ( Se Hyun Song ) , 이해원 ( Hae Won Lee ) , 전복순 ( Bok Soon Jeon ) , 김희준 ( Hee Jun Kim ) , 정재묵 ( Jae Mook Jung ) , 오택윤 ( Taeg Yun Oh )
발행기관
한국수산해양기술학회(구 한국어업기술학회)
간행물정보
수산해양기술연구(구 한국어업기술학회지) 2021년, 제57권 제1호, 78~91페이지(총14페이지)
파일형식
2u701693.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    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 (χ 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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