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학술저널

곡성군 석곡천 어류의 종조성 및 계절변동

Seasonal Variation in Abundance and Species Composition of Fishes Collected by Seokgok Stream in Gokseong, Korea

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Seasonal varition in abundance and species composition of fishes collected by Seokgok stream in Gokseong-gun, Jeollanam-do, Korea, from March to October 2020. The dominant orders were cypriniformes including 35 species, 2 families followed by siluriformes including 5 species, 3 families and perciformes including 4 species, 3 families and beloniformes including 1 species, 1 family. Among the appeared 45 species, Zacco platypus indicus was the dominant species by 16.2%, followed by Zacco temminckii (11.1%), and Acheilognathus lanceolata intermedia (8.8%). The diversity was the highest in Spring (3.2), while the lowest in Autumn (3.0). The evenness was the highest in Spring (0.9), while the lowest in Summer (0.8). The dominance was the highest in Autumn (29.7%), while the lowest in Spring (22.8%). The richness wast the highest Spring (6.2), while the lowest in Autumn (5.6). The similarity of community structure was 85.3% between Summer and Autumn.

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