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지리산 천왕봉 일대의 저서무척추동물 군집분석 및 생물학적 수질평가
배경석(Kyung-Seok Bae),길혜경(Hye-Kyung Kil),유병태(8yong-Tae Yoo) 대한환경위생공학회 2003 대한환경위생공학회지 Vol.18 No.2
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.
金旻永,姜熙坤,吉惠卿 한국환경독성학회 1989 환경독성보건학회지 Vol.4 No.1
Studies on the heavy metal content of ginkgo leaves growing in all around Seoul. This study was carried out to investigate the concentration of heavy metals and soluble sulfur in ginkgo leaves. These leaves are found growing in park, residential, commercial and industrial areas all around Seoul. These analyzed the quantity of Cd, Co, Cu, Fe, Mn, Ni, Pb, Zn, Hg and soluble surfur in separate samples of washed and unwashed leaves. The results were as follows: 1. This order of heavey metal concentration was found in Seoul area,: Fe> Mn> Zn> Ni> Pb> Cu> Co> Cd> Hg. 2. Pb concentration was higher in the commercial aera than in the other aeras, and it concentration in washed leaves was higher 96~100% and unwashed leaves 85~170%. 3. In the residential area Ni concentration was significantly higer where about seven times more Ni was found on the top part of the leaves. 4. Water soluble surfur was higest in the inudstrial area, but the percentage on top of the leaves was only 0.04~0.05% simillar with other area. 5. Fe, Zn and Ni were almost positively correlated to each component but negatively correlated between Mn and souble sulfer. All of content except Mn and Ni were significance between each area in washed and unwashed leaves.