• Korean Journal of Environment and Ecology
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• v.9 no.1
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• pp.42-48
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• 1995

Freshwater fish fauna in Pyongchangang in which having been constructed to water supply for Chechon city was carried out to clarify the impacts of ecosystem on freshwater fish as rapid reduction of constant river flood both Sep. 25, 1994 and Oct. 7, 1994 ~ Oct. 9, 1994. It was 28 species of 21 genera on 6 Families freshwater fishes including a natural monument at and many endemic species among 6 survey stations in Pyongchang. The Pyongchang that was moved in a zigzag direction having been keep constant flood and high diversity of freshwater fishes. There was a high possibility of serious extinction on freshwater fishes as rapid reduction of constant flood in Pyongchangkang.