생물경제모형을 이용한 참조기의 자원평가에 관한 연구 − 단일어종·다수어업 사례를 중심으로
A Stock Assessment of Yellow Croaker using Bioeconomic Model: A Case of Single Species and Multiple Fisheries
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초록
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(EMSY) and for ABC(EABC). The bio-economic model is used to estimate the maximum economic yield(MEY) and fishing efforts for MEY(EMSY). 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.
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(EMSY) and for ABC(EABC). The bio-economic model is used to estimate the maximum economic yield(MEY) and fishing efforts for MEY(EMSY). 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.
참고문헌 (23)
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