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북태평양 중부 해산어장에 있어서 저층 트롤의 어획실태
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  • 북태평양 중부 해산어장에 있어서 저층 트롤의 어획실태
저자명
김영승,오택윤,조삼광,최석관,고정락,양원석,Kim. Young-Seuing,On. Taeg-Yun,Cho. Sam-Kwang,Choi. Seuk-Kwan,Kon. Jeong-Lag,Yang. Won-Seuk
간행물명
한국어업기술학회지
권/호정보
2005년|41권 3호|pp.179-187 (9 pages)
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한국어업기술학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

This study was conducted in order to the experiment of bottom trawl fisheries in the sea mount of central northern pacific($30^{circ}-40^{circ}N$, $170^{circ}-175^{circ}E$), during the period of July 1 to August 25, 2004 by commercial trawl ship. Fishing experiment was carried out by bottom trawl, with the codend of 110mm mesh size. The number of 101 test fishing was done in the sea mount of central northern pacific during 56 days and the total catches were 198,593kg as 18 fish species, and CPUE/day and catches/day were 8.3 hours towing time and 3,546kg. Catch ratio according to each fishing ground was higher with the order of B, C, and E, and catches for B was 7,171.0kg during the towing time of 13.2 hours. Main target species were Pseudopentaceros richardsoni and Beryx splendens, there was 14.9% of damage ratio for fishing gears on catching the target fishes inhabiting on the rough sea bottom. Catches by water depth was the order of 300m below, 301-350m, 451-500m and 351-400m. It is thought that there was no problem on the mesh size because most of fishes caught from the experimental fishing was 30cm over.