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트롤어업에서 어로기술개발에 따른 어획성능지수 변동
Change of relative fishing power index from technological development in the otter trawl fishery 원문보기

수산해양기술연구 = Journal of the Korean Society of Fisheries and Ocean Technology, v.56 no.1, 2020년, pp.26 - 36  

조현수 (군산대학교 해양산업.운송과학기술학부) ,  서영일 (국립수산과학원 연근해자원과) ,  오택윤 (국립수산과학원 연근해자원과) ,  안영수 (경상대학교 해양산업연구소) ,  김병엽 (제주대학교 실습선) ,  임영경 (해양수산부 서해어업관리단) ,  이유원 (부경대학교 실습선)

Abstract AI-Helper 아이콘AI-Helper

Thousands of pelagic and demersal fishes inhabit the waters around Korea and many of them are overexploited. One of the reasons is technological development, which increases the efficiency of the vessels continuously. The analysis was conducted to identify the change of fishing power index to develo...

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문제 정의

  • 본 연구는 트롤어업에서 적절한 어획노력량 산출을 위한 기초자료를 얻기 위하여 어선, 어구, 어로설비 및 항해계기 발달에 따른 어획성능지수의 변화에 대하여 분석하였으며, 그 결과는 다음과 같다.
  • 본 연구에서는 중층 및 저층 어족자원을 주 대상종으로 하는 트롤어업에 대하여 단위어획당노력량(Catch Per Unit Effort: CPUE)인 척당 어획량을 시대별로 표준화하기 위한 기초자료를 얻기 위하여 트롤어업에서 어선, 어구, 어로설비 및 항해계기 발달에 따른 어획성능지수의 변화에 대하여 추정하고 고찰하였다.

가설 설정

  • 문헌조사가 불가한 항목에 대해서는 대형트롤은 대형기선저인망수협 및 트롤어구 제작사의 협조를, 동해구 중형트롤은 동해구 트롤협회의 협조를 받아서 트롤어업에 종사한 경험 있는 선장들을 대상으로 청취조사 및 설문조사를 이용하여 분석하였다. 분석 시 어황 및 선장의 능력은 동일하다고 가정하고 분석을 진행하였다
본문요약 정보가 도움이 되었나요?

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