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

The Korean Society of Fisheries and Ocean Technology (한국수산해양기술학회)
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Study on the mesh selectivity of a drum shaped pot for finely-striate buccinum (Buccinum striatissimum) in the eastern coastal waters of Korea

우리나라 동해안 북형 통발에 대한 물레고둥(Buccinum striatissimum)의 망목 선택성에 관한 연구

  • KIM, Seonghun (Fisheries Resources and Environment Research Division, East Sea Fisheries Research Institute, National Institute of Fisheries Science) ;
  • JEONG, Seong-Jae (Fisheries Resources and Environment Research Division, East Sea Fisheries Research Institute, National Institute of Fisheries Science) ;
  • PARK, Chang-Doo (Fisheries Engineering Research Division, National Institute of Fisheries Science) ;
  • KIM, Pyungkwan (Fisheries Engineering Research Division, National Institute of Fisheries Science)
  • 김성훈 (국립수산과학원 동해수산연구소) ;
  • 정성재 (국립수산과학원 동해수산연구소) ;
  • 박창두 (국립수산과학원 수산공학과) ;
  • 김병관 (국립수산과학원 수산공학과)
  • Received : 2020.06.03
  • Accepted : 2020.07.10
  • Published : 2020.08.31
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Abstract

The mesh selectivity of a drum shaped pot for finely-striate buccinum (Buccinum striatissimum) was conducted a total of eight times with four different mesh sizes (22, 35, 50 and 60 mm) from May to September, 2019 in the eastern coastal waters of Korea. The size selectivity analysis was estimated by the SELECT method to express logistic selectivity curves. In the results, the catch of finely-striate buccinum was occupied about 90% in the total catch weight. The equation of the master curve of selectivity was estimated to s(R) = exp(-7.778R+9.983)/[1+exp(-7.778R+9.983)]. The relative shell height of 50% selection was 1.284 and the selection range (SR) was 0.282. The optimal mesh size for 50% selection on the minimum maturation size (75 mm, Shell height) was estimated more than 60 mm by the master selectivity curve.

Keywords

References

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