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Species Composition Using the Daily Catch Data of a Set Net in the Coastal Waters off Yeosu, Korea  

Hwang, Sun-Do (South Sea Fisheries Research Institute, NFRDI)
Kim, Jin-Yeong (National Fisheries Research & Development Institute)
Kim, Joo-Il (National Fisheries Research & Development Institute)
Kim, Sung-Tae (National Fisheries Research & Development Institute)
Seo, Young-Il (National Fisheries Research & Development Institute)
Kim, Jong-Bin (National Fisheries Research & Development Institute)
Kim, Yeong-Hye (National Fisheries Research & Development Institute)
Heo, Seon-Jeong (South Sea Fisheries Research Institute, NFRDI)
Publication Information
Korean Journal of Ichthyology / v.18, no.3, 2006 , pp. 223-233 More about this Journal
Abstract
The annual and spatial changes in the species composition of catch off Yeosu were analyzed using the daily sales slip catch data by a set net in the inshore waters off Dolsan Islands in Yeosu from April to October 2001, off Yeon Islands of Yeosu from April to October 2002 and in the offshore waters off Dolsan Islands of Yeosu from April to December 2003, respectively. Scomberomorus niphonius, Seriola spp., Trichiurus lepturus, Engraulis japonicus, Sarda orientalis, Todarodes pacificus, Pampus echinogaster, Sardinella zunasi, Scomber japonicus, Lophius litulon and Loligo beka were dominant species in abundance, indicating that pelagic fish were mainly caught by a set net off Yeosu. S. zunasi, P. echinogaster, Platycephalus indicus and L. beka inhabited mainly in the inshore waters, and S. niphonius, Seriola spp., T. lepturus, P. echinogaster, T. pacificus, Takifugu porphyreus and Pagrus major resided mainly in the offshore waters as the pelagic resident species. E. japonicus was a representative dominant species moving between the inshore and the offshore waters seasonally. S. zunasi and E. japonicus occurred in the inshore waters, and E. japonicus, L. litulon and Seriola spp. begain to be caught in the deep offshore waters in spring. Total catch was high during the summer season by migration of the open sea species such as T. lepturus, S. niphonius, S. japonicus, Seriola spp., S. orientalis, P. echinogaster and T. pacificus. In fall, S. niphonius, E. japonicus, Sphyraena pinguis, Siganus fuscescens and Leiognathus nuchalis were dominant in the inshore waters, and S. niphonius, P. echinogaster, Hyporhamphus sajori, S. japonicus and T. lepturus continued to occur from summer in the offshore waters but total catch decreased, indicating the typical seasonal variation pattern of the temperate region. Most of catchable fishes by a set net were the pelagic species showing a significant temporal variation. Collection and analysis of daily catch data by large set nets can be used to determine seasonal variation in species composition of pelagic fish in a study area.
Keywords
species composition; daily sales slip catch data; set net; Yeosu;
Citations & Related Records
Times Cited By KSCI : 9  (Citation Analysis)
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