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http://dx.doi.org/10.3796/KSFT.2010.46.4.406

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  

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)
Publication Information
Journal of the Korean Society of Fisheries and Ocean Technology / v.46, no.4, 2010 , pp. 406-415 More about this Journal
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
Distribution of yellowtails; Hydrological conditions; Major prey;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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