Journal of the Korean Society of Fisheries and Ocean Technology (수산해양기술연구)

The Korean Society of Fisheries and Ocean Technology (한국수산해양기술학회)
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Stock assessment and management of blackthroat seaperch Doederleinia seaperch using Bayesian state-space model

베이지안 State-space 모델을 이용한 눈볼대 자원평가 및 관리방안

  • CHOI, Ji Hoon (Fisheries Resources Research Division, National Institute of Fisheries Science) ;
  • KIM, Do Hoon (Department of Marine & Fisheries Business and Economics, Pukyong National University) ;
  • CHOI, Min-Je (Department of Marine & Fisheries Business and Economics, Pukyong National University) ;
  • KANG, Hee Joong (Fisheries Resources Research Division, National Institute of Fisheries Science) ;
  • SEO, Young Il (Fisheries Resources Research Division, National Institute of Fisheries Science) ;
  • LEE, Jae Bong (Fisheries Resources Research Division, National Institute of Fisheries Science)
  • 최지훈 (국립수산과학원 연근해자원과) ;
  • 김도훈 (부경대학교 해양수산경영학과) ;
  • 최민제 (부경대학교 해양수산경영학과) ;
  • 강희중 (국립수산과학원 연근해자원과) ;
  • 서영일 (국립수산과학원 연근해자원과) ;
  • 이재봉 (국립수산과학원 연근해자원과)
  • Received : 2019.03.26
  • Accepted : 2019.05.20
  • Published : 2019.05.31
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Abstract

This study is aimed to take a stock assessment of blackthroat seaperch Doederleinia seaperch regarding the fishing effort of large-powered Danish Seine Fishery and Southwest Sea Danish Seine Fishery. For the assessment, the state-space model was implemented and the standardized catch per unit effort (CPUE) of large powered Danish Seine Fishery and Southwest Sea Danish Seine Fishery which is necessary for the model was estimated with generalized linear model (GLM). The model was adequate for stock assessment because its r-square value was 0.99 and root mean square error (RMSE) value was 0.003. According to the model with 95% confidence interval, maximum sustainable yield (MSY) of Blackthroat seaperch is from 2,634 to 6,765 ton and carrying capacity (K) is between 33,180 and 62,820. Also, the catchability coefficient (q) is between 2.14E-06 and 3.95E-06 and intrinsic growth rate (r) is between 0.31 and 0.72.

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References

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