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- 저자 : Jeong Younng Kim ) (검색결과 1 건)
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배경석,김홍제,김정영 ( Kyung Seok Bae,Hong Je Kim,Jeong Younng Kim ) 한국하천호수학회 1995 생태와 환경 Vol.28 No.4
The present study was carried out to examine the cmmunity structure of benthic macroinvertebrates of Pyungchang, Jucheon. Dong and lower Han river in the Han river water system. The benthic macroinvertebrates composed of 120 species, 50 families, 18 orders, 8 classes in 4 phyla in the specimens of survey areas. In occurrence of benthic macroinvertebrates, aquatic insects composed of 98 species, 35 families in 8 orders. The species numbers of at each site of 4 different waters appeared as 22∼35 species range in Pyungchang river, 24∼32 species range in Jucheon river. 18∼24 species range in Dong river and 7∼26 species in lower Han river, respectively. All survey sites of 3 rivers at upper region of Nam Han river abound species number, but lower Han river was showed big fluctuations of species number between upper and lower sites. Major dominant species were Serratella rufa and Epeorus(E.) latifolium in Ephemeroptera, Hydropsyche KUa, Hydropsyche KUc, Macronema radiatum, Stenopsyche bergeri and Cheumatopsyche brevilineata in Trichoptera from Pyungchang, Jucheon and Dong river, but those were Limnoperma fortunei in Mollusca, Limnodrilus sp. 1 in Annelida and Chironomus sp. 4 in Insecta from lower Han river. According to the saprobic system based on the species diversity indices of benthic macroinvertebrates, Pyungchang and Jucheon rivers were determined as limnosaprobic area, Dong river was determined as β-mesosaprobic and limnosaprobic area, but lower Han river was showed big fluctuation between polysaprobic area and limnosaprobic area.
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