태평양 적도해역에서의 다랑어주낙 어획성능

• 영문명: Fishing ability of Tuna Long Line in the Equatorial region of Pacific ocean
• 발행기관: 전남대학교 수산과학연구소
• 저자명: 윤지원(Ji Won YUN) 장선익(Sun Ik JANG) 김대진(Dae Jin KIM) 장덕종(Duck Jong JANG) 김대안(Dae An KIM)
• 간행물 정보: 『수산과학연구소 논문집』제18권 제2호, 78~84쪽, 전체 7쪽
• 주제분류: 농수해양 > 수산학
• 파일형태: PDF
• 발행일자: 2009.12.30

영문 초록

In order to investigate the change on fishing ability of tuna long line, the fishing data, by the long line of which lower branch line was made of Nylon braded rope and the other parts were done Nylon monofilament, used 4,486 times by nine vessels during 41 Months from May 1997 to Oct 2000, in the equatorial region of pacific ocean were collected and analyzed. The analysis produced the results as follows; 1) The mean catch by a fishing operation, the mean number of fishes caught by a fishing operation, the mean weight of fishes caught and the mean number of fishes caught by 100 pieces of hooks were 1,055kg, 31.9kg, 33.1kg, and 1.3, respectively. 2) According to region, the mean catch by a fishing operation was 1,171kg in Region I (L 0~Sl0°, Long. 180~W160°) and 816kg in Region V (L 0~N10°, Long. W140~W120°). 3) The division in fish caught by the long line gave that bigeye tuna was 61.1%, yellowfin tuna was 29.6%, and the other fishes were 9.3%. 4) A catch of bigeye tuna, most expensive in tunas, weighed 40kg or more, and small highly in east Region from W160°.

목차

Abstract

서론

자료 및 방법

결과 및 고찰

요약

참고문헌

키워드

Tuna long line fishing