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KMID : 0382420020280020149
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Korean Journal of Environmental Health Society
2002 Volume.28 No. 2 p.149 ~ p.160
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Analysis of Benthic Macroinvertebrate Community and Biological Evaluation of Water Quality in the Gapyung Region of the Upper North Han River, Korea
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Bae Kyung-Seok
Kim Min-Young
Yoo Seung-Sung
Won Doo-Hee
Shin Jae-Young
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Abstract
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Analysis of benthic macroinvertebrate community structure and biological estimation of water quality by the benthic macroinvertebrates from the Mt. Myungji(1267m), Mt. Kalbong(840m), Mt. Daegeum(704m) and Mt. Jubal(489m) region of Gapyung-gun, Kyunggi-do were investigated from April to November, 2001. Total taxa of benthic macroinvertebrates were 105 species, 38 families, 13 orders, 5 classes in 4 phyla. Aquatic insects were 33 species in ephemeroptera, 5 species in odonata, 13 species in plecoptera, 2 species in hemiptera, 1 species in megaloptera, 27 species in trichoptera, :3 species in coleoptera and 13 species in diptera, respectively. Non-insects were 1 species in platyhelminthes, 5 species in gastropoda, 1 species in oligochaeta. I species in crustacea, respectively. Ephemeroptera, trichoptera and plecoptera as indicators in clean water were very abundantly. Occurrence species at each survey area was 67 species at Mt. Myungji and 69 species at Mt. Kalbong, 48 species at Mt. Daege’ urn and 47 species at Mt. Jubal. respectively. Mean species diversity indices at Mt. Myungji, Mt. Kalbong, Mt. Daegeum and Mt. Jubal were 3.30, 3.33, 2.59 and 3.43, respectively. According to the saprobic system based on the species diversity indices of benthic macroinvertebrates, Mt. Myungji. Mt. Kalbong and Mt. Jubal arc determined as Limnosaprobic area, respectively, but Mt. Daegeum is determined as P-mesosaprobic area.
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