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

The Korean Society of Fisheries and Ocean Technology (한국수산해양기술학회)
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Acharacteristics on the forming of fishing ground and population ecological study of Yellow tail, Seriola quinqueradiata, in the coastal waters off Gim-nyeong of Jeju Island, Korea

제주도 김녕 연안해역의 방어 어장형성 특성과 자원생물학적 기초 연구

  • Chang, Dae-Soo (Subtropical Fisheries Research Center, National Fisheries Research & Development Institute) ;
  • Yoo, Joon-Taek (Fisheries Resources Management Division, National Fisheries Research & Development Institute) ;
  • Kim, Byung-Yeob (Subtropical Fisheries Research Center, National Fisheries Research & Development Institute) ;
  • Lee, Seung-Jong (Subtropical Fisheries Research Center, National Fisheries Research & Development Institute) ;
  • Kwon, Dae-Hyeon (Subtropical Fisheries Research Center, National Fisheries Research & Development Institute) ;
  • Koo, Jun-Ho (Subtropical Fisheries Research Center, National Fisheries Research & Development Institute) ;
  • Ahn, Gem-Ma (Subtropical Fisheries Research Center, National Fisheries Research & Development Institute) ;
  • Oh, Im-Yeol (Subtropical Fisheries Research Center, National Fisheries Research & Development Institute)
  • 장대수 (국립수산과학원 아열대수산연구센터) ;
  • 유준택 (국립수산과학원 자원관리과) ;
  • 김병엽 (국립수산과학원 아열대수산연구센터) ;
  • 이승종 (국립수산과학원 아열대수산연구센터) ;
  • 권대현 (국립수산과학원 아열대수산연구센터) ;
  • 구준호 (국립수산과학원 아열대수산연구센터) ;
  • 안젬마 (국립수산과학원 아열대수산연구센터) ;
  • 오임열 (국립수산과학원 아열대수산연구센터)
  • Received : 2010.09.29
  • Accepted : 2010.11.16
  • Published : 2010.11.30
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Abstract

The forming of fishing ground and the population ecological characteristics of yellowtail, Seriola quinqueradiata, in the coastal waters off Gim-nyeong of Jeju Island were investigated. The stock of yellowtail, Seriola quinqueradiata, between Jeju Island and coastal areas of the East Sea is probably the same. Water temperature probably is a major factor for controlling distribution of yellowtails in deeper, offshore areas off Jeju Island. However, the major factor that determines aggregation of yellowtails in coastal areas of Jeju Island, especially off Gim-nyeong is probably strong tidal currents driven by distribution of yellowtails rather than hydrological conditions such as Yellowtails collected off Jeju Island were from 1 to 4yrs old and about 50% of them were $1^{-yr}$ old, probably indicating overfishing. Jack mackerel was the major prey item for yellowtails off Gim-nyeong from October to March, suggesting concurrence of the two species.

Keywords

References

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  1. Feeding Habits of Juvenile and Young Yellow Tail Seriola quinqueradiata in Coastal Waters of the South Sea, Korea vol.49, pp.5, 2016, https://doi.org/10.5657/KFAS.2016.0635
  2. A study on appearance frequencies and fishing ground exploration of low-run fishing obtained by analyzing AIS data of vessels in the sea around Jeju Island vol.54, pp.2, 2018, https://doi.org/10.3796/KSFOT.2018.54.2.157