Department of Applied Biosciences, Graduate School of Agriculture, Kyoto University
Center of Excellence in Environmental Forensics, Faculty of Environmental Studies, Universiti Putra Malaysia
Department of Biology, Faculty of Science, Universiti Putra Malaysia
Faculty of Science, Burapha University
Ocean Research Institute, The University of Tokyo
抄録
Contamination of estrogen-like substances (ELSs) in the river and coastal areas in Thailand and Malaysia was investigated using transgenic medaka, which indicates estrogenic contamination level as green fluorescence in its liver. Water samples were collected from two rivers in Thailand, four rivers in Malaysia, and three coastal areas (two in Thailand, one in Malaysia). Generally, no contamination was observed in headwater, river mouth, countryside, and coastal areas. On the other hand, detectable levels of contamination were observed in the river water of urban area. These suggest that contamination by estrogenic substances occurs in urban area, but these substances may be diluted and/or degraded to the undetectable levels until the water reaches river mouth. Relatively high levels of ELSs were observed at Sang Khep River mouth in Thailand and toxic effects were observed in urban area of Sang Khep River as well as urban area and the mouth of the Klang River in Malaysia.
内容記述
Proceedings of 4th JSPS-VAST Joint Seminar on 'Coastal Marine Science', Hai Phong, Viet Nam, 26-28 October 2009
Ocean Pollution
雑誌名
Coastal marine science
巻
34
号
1
ページ
216 - 222
発行年
2010-08-20
ISSN
13493000
書誌レコードID
AA11957899
日本十進分類法
452
出版者
International Coastal Research Center, Atmosphere and Ocean Research Institute, the University of Tokyo
出版者別名
東京大学大気海洋研究所国際沿岸海洋研究センター
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An attempt to detect contamination with estrogenic compounds in river water of urban area in Thailand and Malaysia using transgenic medaka
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