北漢江 源流 水城의 生態學的 硏究 (1)魚類群集 特性

다국어 초록 (Multilingual Abstract)

The studies of typical freshwater stream of Jindong which was situated at the upper basin of the North Han River. Total species of collected fishes were 17 species, 8 families and than 10(58.8%) endemic species of Korea, In this study, we added 3 species of Ladislavia taczanowskii, Cottus poecilopterus, and Cobitis rotundicaudata to previously reported lists of the fish communities in the Jindong stream, The fauna of fishes in the Jindong stream were divided into four groups:(1)Brachymyatax-Moroco (2)Ladislavia-Moroco (3)Cobitis-Zacco and (4)Zacco-Moroco which was formed continuous communities. Especially the dominant species collected in the upper sites was Moroco Kumgangensis, and down stream(st.9,10,11), Ladislavia taczanowskii and Cobitis korennsis. The viewpoint of food habit, such as herbivores, canivores and omnivores were contributed to the suitable ecological niche.