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Temporal Variation in Species Composition and Abundance of Fish Assemblages in Masan Bay  

Kwak, Seok Nam (Marine Eco-Technology Institute Co., Ltd.)
Huh, Sung-Hoi (Department of Oceanography, Pukyong National University)
Publication Information
Korean Journal of Ichthyology / v.19, no.2, 2007 , pp. 132-141 More about this Journal
Abstract
A total of 27 fish species were collected by a gill net in Masan Bay. The dominant fish species were Konosirus punctatus, Mugil cephalus, Engraulis japonicus, Psenopsis anomala, Lateolabrax japonicus, Leiognathus nuchalis, Chelon affinis, Trachurus japonicus, and these accounted for 87.6% of the total numbers. The numerically dominant fish species made up 95.4% of biomass. These were primarily juvenile species or early larger species. Temporal variation in both species composition and abundance was large: the peak number of fishes occurred in March 2005 and July 2005, whilst biomass of fishes was the highest in September 2005 and November 2005. Fish numbers as well as biomass was lowest in November 2005. Temporal changes in the abundance of fishes corresponded with temperature. A gill net can be used as an alternative fishing gear to collect pelagic fishes commercially, although a gill net has a strong selectivity for the target fish species or for size.
Keywords
Konosirus punctatus; Mugil cephalus; Engraulis japonicus; Psenopsis anomala; Lateolabrax japonicus; Leiognathus nuchalis; gill net; fish assemblage; Masan Bay;
Citations & Related Records
Times Cited By KSCI : 10  (Citation Analysis)
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