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KMID : 1171820030180020016
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Journal of Environmental and Sanitary Engineering
2003 Volume.18 No. 2 p.16 ~ p.26
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Analysis of Benthic Macroinvertebrate Community and Biological Estimation of Water Quality at Creeks in the Cheonwang-bong of National Park of Mt. Jiri and Its Nearby Area
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Bae Kyung-Seok
Gil Hye-Kyoung
Yoo Byung-Tae
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Abstract
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Analysis of benthic macro invertebrate community and biological estimation of water quality was conducted at the national park of Mt. Jiri and its nearby area in Gurye, Sancheong and Hadong-gun from Juneto November, 2002. Total taxa of benthic macroinvertebrates were 124 species, 45 families, 15 orders, 6 classes in 3 phyla. Aquatic insects were 33 species in ephemeroptera, 28 species in Trichoptera, 21 species in plecoptera, 13 species in Diptera, 8 species in odonata, 5 species in hemiptera and 5 species in coleoptera, respectively. Non-insects were 5 species in Mollusca, 2 species in Hirudinea, 1 species in oligochaeta and 1 species in crustacea, respectively. Ephemeroptera, trichoptera and plecoptera as indicators in clean water were very abundant. Occurrence species at each survey area was 68 species at Mt. lO25-goji. 59 species at Mt. Eungseok-bong, 57 species at Mt. Wangdeung-jae, 50 species at Mt. Cheonwang-bong and 39 species at Mt. 645-goji, respectively. Mean species diversity indices at Mt. Cheonwang-bong, Mt.1025-goji, Mt. Wangdeung-jae. Mt. Eungseok-bong and Mt. 645-goji were 3.33, 3.03, 3.41, 3.02 and 2.91. respectively. According to the saprobic system based on the species diversity indices of benthic macroinvertebrates, most survey areas except some sites are determined as Limnosaprobic area.
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KEYWORD
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Benthic Macroinvertebrates, Aquatic insects, Saprobic system, Diversity indices
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