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Quantitative Variation and Species Composition of Ichthyoplankton in Coastal Waters of Uljin, Korea  

Han, Kyeong-Ho (Division of Fisheries and Ocean Sciences, Chonnam National University)
Kim, Dong-Gi (Division of Fisheries and Ocean Sciences, Chonnam National University)
Publication Information
Korean Journal of Ichthyology / v.19, no.4, 2007 , pp. 332-342 More about this Journal
Abstract
Species composition and quantitative and body length composition of the ichthyoplankton were investigated by samples collected from the coastal waters of uljin in January, April, July and October, 2002. During the study, the collected fish eggs were identified as belonging to 7 taxa. The most of dominant species Engraulis japonicus, were accounted for 38.34% of the total fish eggs, followed by Sillago sihama (25.84%). The collected larvae and juveniles were identified into 25 taxa, 18 families, 7 orders. The domninant species Engraulis japonicus accounted for 90.46% of the total larvae and juveniles, followed by Sebastes schlegeli 2.04%. These 2 taxa constituted 92.50% of the total collected larvae and juveniles. The diversity index of species per months of the collected juveniles the coastal water of Uljin, 2002 was 0.0878~2.3855 and the evenness index was 0.0451~0.9300. in case of dominance index was 0.3000~0.9914 against the evenness index. The analyzed species diversity index by the each stations was 0.3035~0.7440 and the dominance index was 0.8919~0.9669 against the species diversity index. The similarity of community structure per season was very high because of the relative difference (0.010), which was the least in Summer and Fall. In addition, the community structure was very similar in state 1 and state 4 out of each stations because the relative difference was the least, 0.139.
Keywords
Ichthyoplankton; coastal water of Uljin; egg; larvae; juveniles;
Citations & Related Records
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