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

The Korean Society of Fisheries and Ocean Technology (한국수산해양기술학회)
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Bycatch reduction plan of offshore dredge in the western sea, Korea

서해안 근해형망 어업의 혼획저감 방안

  • Sug-Tai KIM (Environment and Fisheries Resources Research Division, West Sea Fisheries Research Institute) ;
  • Hyun-Young KIM (Division of Fisheries Engineering, NIFS)
  • 김석태 (국립수산과학원 서해수산연구소 기후환경자원과) ;
  • 김현영 (국립수산과학원 수산공학과)
  • Received : 2023.10.18
  • Accepted : 2023.11.27
  • Published : 2023.11.30
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Abstract

This study aimed to identify the actual catch situation of offshore dredge gear which is newly regulated in the legislation. It's also conducted to identify the species composition, weight of the catch including the target species and incidental catches, and to provide the basic information necessary for the resource management of aquatic organisms caught by offshore dredge. During the investigation period (from September 2022 to May 2023), a total of 61 species appeared in the test operation sea of Boryeong, Chungcheongnam-do and Gunsan, Jeollabuk-do, with 31 species of fishes, 11 species of malacostraca, six species of gastropoda, five species of bivalvia, three species of cephalopoda, three species of asteroidea, one species each of asteroidea and holothuroidea appeared. According to the results of the test operation conducted in September and November 2022, the non-catch season of Atrina (Servatrina) pectinata, 1,203 shellfishes were caught out of 2,979 caught in number, showing a bycatch rate of 59.6%, and by weight, 157.9 kg of shellfish was caught out of the total catch of 448.4 kg, showing a bycatch rate of 64.8%. On the other hand, in February and May 2023, the catch season for Atrina (Servatrina) pectinata, 3,692 fishsells were caught out of the 4,232 catches in total, showing a bycatch rate of 12.8%, and by weight, 1,185.0 kg of shellfish was caught out of the total catch of 1,293.2 kg, showing an 8.3% bycatch rate.

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Acknowledgement

이 논문은 2023년도 국립수산과학원 수산시험연구사업(R2023007)의 지원으로 수행된 연구입니다.

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