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양홍준,채병수,남명모 ( H J Yang,B S Chae,M M Nam ) 한국하천호수학회 1991 생태와 환경 Vol.24 No.1
The ichthyofauna in autumn at the upper reach of Hongchon River (a second tributary of Han River) was investigated and their community structures were analyzed. Twenty four species of fish (nineteen genera belonging to eight families) were collected in this area. Of these fishes ten species and two subspecies were endemic in Korea. This area become a new distribution site of Odontobutis obscura interrrupta. As a whole Zacco temmincki and Zacco platypus were dominant and bottom dwelling species that is Microphysogobio yaluensis and Odontobutis platycephala were also numerous. The species diversity index, dominance index and evenness index on the community of the upper reach of Hongchon River were 1.163, 0.086 and 0.843, respectively. The result indicate that the community structure of this area was very diverse and stable in species composition.