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수영강의 (水營江) 저서성 (底棲性) 대형무척추동물에 (大型無脊椎動物) 관한 생태학적 연구 - Ⅲ. 화학 및 생물학적 지수를 이용한 수질분석 -
나태성,전태수 ( Tae Sung Kwon,Tae Soo Chon ) 한국하천호수학회 1993 생태와 환경 Vol.26 No.2
Based on environmental data and benthos collected in the Suyoˇng river from October in 1989 to July in 1990, water qualities were estimated using biological and chemical indices such as Trent Biotic Indes(TBI), Biotic Score(BS), Diversity Index(H), Tsuda Index(TS), BOD, and etc.. Overall the two upper reaches, including the Choˇlma and Suyoˇng stream, were in clean-to slightly-enriched-states, mainly ranging from oligosaprobity to β-mesosaprobity, while most locations of the lower reaches and the downstream were in moderate-to heavily-enriched-states, ranging from α-mesosaprobity to iso-saprobity. Although observed values of BOD were generally compatible with biological indices in the surveyed area in overall terms, there were some cases of differences between these indices. In the clean or slightly enriched states when there were environmental disturbances, such as occurrence of suspended solids, flooding, etc., biological indices appeared to reflect the effect of environmental disturbances more sensitively than BOD. Amenities measured in this study were also shown that they could be compatibly used with other indices.