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Distribution Characteristics of Fishes by a Bottom Trawl in the Jointly Controlled Waters of the East China Sea  

Kim, Min-Seok (Pukyong National University)
Kim, Dong-Su (Pukyong National University)
Publication Information
Journal of Fisheries and Marine Sciences Education / v.22, no.3, 2010 , pp. 330-340 More about this Journal
Abstract
This study was investigated the species composition of demersal fishes by a bottom trawler GAYA, in order to be used basic data for resources management of fishery in the jointly controlled waters of the East China sea. We caught 52 species, 1,167 individuals and 186.171kg in biomass in summer, and 1,924 individuals and 200.871kg in biomass in winter The first dominant species in individuals in summer was Glossanodon semifasciatus, and in biomass was Dentex tumifrons. But that in winter was Ovalipes punctatus in both individuals and biomass. It was a special phenomenon that crustacea was to be the first dominant species compared with general offshore fishery in Korea. Catch per unit effort (kg/hr) of bottom trawl in winter was higher than that in summer. There was also big difference by station in the diversity index, the evenness index and the dominant index.
Keywords
Jointly controlled waters; Dominant species; Catch per unit effort; Offshore fishery;
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Times Cited By KSCI : 5  (Citation Analysis)
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