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

The Korean Society of Fisheries and Ocean Technology (한국수산해양기술학회)
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Species composition and community structure of aquatic organisms caught by the trial fishing gear for Metapenaeus joyneri in the coastal water of Gochang

고창 연안에서 중하(Metapenaeus joyneri) 포획용 시험어구에 어획된 수산생물의 종조성 및 군집구조

  • Young-Hwan JOO (Department of Fisheries Science, Kunsan National University) ;
  • Ho-Young CHANG (Division of Marine Industry-Transportation Science and Technology, Kunsan National University) ;
  • Min-Son KIM (Division of Marine Industry-Transportation Science and Technology, Kunsan National University) ;
  • Hyun-Su JO (Division of Marine Industry-Transportation Science and Technology, Kunsan National University)
  • 주영환 (군산대학교 대학원 수산과학과) ;
  • 장호영 (군산대학교 해양산업운송과학기술학부) ;
  • 김민선 (군산대학교 해양산업운송과학기술학부) ;
  • 조현수 (군산대학교 해양산업운송과학기술학부)
  • Received : 2023.07.18
  • Accepted : 2023.08.30
  • Published : 2023.08.31
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Abstract

Although the abundance of Metapenaeus joyneri resources with high commercial value was recently confirmed in the outer waters of Gomso Bay, located between Buan-gun and Gochang-gun, Jeollabuk-do, Metapenaeus joyneri resources have not been efficiently utilized due to the absence of fishing gears and methods for a selective Metapenaeus joyneri capture. Therefore, in this study, we adopted shrimp dredge as a trial fishing gear for the Metapenaeus joyneri capture, and analyzed the species composition and cluster community structure of aquatic organisms caught by the shrimp dredge, from May to September 2021 at the coastal waters of Gochang-gun, Jeollabuk-do. During the experimental period, 28 types of marine species of 29,190 individuals and 250,136 g of total biomass were caught. Among them, the population of Metapenaeus joyneri, the target species, dominated by 80.7%, followed by Thrysa chefuensis with 7.1%, and Leiognathus nuchalis with 6.0%, confirming that the fishing ratio of Metapenaeus joyneri was the highest among all species.

Keywords

Acknowledgement

본 연구는 2021년 전라북도 부안군청에서 군산대학교에 위탁한 새우류(중하) 포획 어구·어법 개발 시험어업 연구용역 사업(20210806A63-00)으로 수행되었습니다.

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