Ocean and Polar Research

Korea Institute of Ocean Science & Technology (한국해양과학기술원)
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A Stock Assessment of Yellow Croaker using Bioeconomic Model: a Case of Single Species and Multiple Fisheries

생물경제모형을 이용한 참조기의 자원평가에 관한 연구 - 단일어종·다수어업 사례를 중심으로

  • Sim, Seonghyun (Department of Applied Economics, Graduate School, Pukyong National University) ;
  • Nam, Jongoh (Division of Economics, College of Humanities & Social Sciences, Pukyong National University)
  • 심성현 (국립부경대학교 일반대학원 응용경제학과) ;
  • 남종오 (국립부경대학교 인문사회과학대학 경제학부)
  • Received : 2015.01.19
  • Accepted : 2015.05.07
  • Published : 2015.06.30
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Abstract

This study analyzes the stock assessment of yellow croaker caught mainly by the Korean stow net and gill net fisheries focusing on single species and multiple fisheries. This study standardizes fishing efforts for the two fisheries using the general linear model and uses a surplus production model based on the exponential growth model. The Clarke Yoshimoto Pooley model estimates a maximum sustainable yield(MSY), an allowable biological catch(ABC), fishing efforts for MSY($E_{MSY}$) and for ABC($E_{ABC}$). The bio-economic model is used to estimate the maximum economic yield(MEY) and fishing efforts for MEY($E_{MSY}$). Also, the study employs an economic analysis to estimate the economic interaction between stow net and gill net fisheries. The economic analysis shows the profit accruing to the two fisheries from estimated ABC. Finally, the study compares TACs based on single species and single fishery to TAC based on single species and multiple fisheries. The study proposes that the TAC assessment is necessary for single species and multiple fisheries in order to preserve resources.

Keywords

References

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