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학술저널

증도와 사옥도 사이 연안에서 채집된 부유성 난, 자치어 및 어류의 종조성

Species Composition of Ichthyoplankton and Fish Collected between Coastal Waters off Jeung Island and Saok Island

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The fish (fish eggs, larval fish, and adult fish), caught by RN 80 net and gape net between coastal waters off Jeung island and Saok island, in January and April of 2016 were assessed for species composition in their abundance. Fish eggs and larval fish studied at three stations and were composed of 5 and 11 taxa, respectively. The adult fish were studied at one station and were composed of 20 species, 18 families, and 8 orders. The dominant species were Engraulis japonicus and Nuchequula nuchalis which were caught at all of the fish stages. Larval fish and adult fish were assessed for their richness, evenness, diversity, and dominance to gain a measure of the biodiversity. The richness index was the highest in April at adult fish (R=2.102), the evenness index was the highest in January at larval fish (E=0.953), the diversity index was the highest in April at adult fish (H’=2.010), and the dominance index was the highest in April at larval fish.

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