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学科主题: Environmental Sciences
题名: Application of biological safety index in two Japanese watersheds using a bioassay battery
作者: Wei, DB ; Lin, ZF ; Kameya, T ; Urano, KH ; Du, YG
通讯作者: weidb@rcees.ac.cn
关键词: biological safety ; water quality index ; bioassay ; watershed
刊名: CHEMOSPHERE
发表日期: 2008
卷: 72, 期:9, 页:1303-1308
收录类别: sci
部门归属: [Wei, Dongbin; Du, Yuguo] Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China; [Wei, Dongbin; Kameya, Takashi; Urano, Kohei] Yokohama Natl Univ, Grad Sch Environm & Informat Sci, Yokohama, Kanagawa 2408501, Japan; [Lin, Zhifen] Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China
项目归属: LED
摘要: In order to integratedly evaluate the biological safety as a water quality index, an assessment method based on three toxicity tests (algae growth inhibition, daphnia immobilization and larval fish toxicity) was developed. In this study, the developed method was used to screen, evaluate and rank the biological safety of small rivers near agricultural, industrial and residential areas. Twenty-seven representative water samples were collected from the Kaname River watershed and the Hinata River watershed in Kanagawa Prefecture, Japan. The results indicated that (1) the biological safety of water from the Hinata River ranked much higher than those from the Suzu River and the Shibuta River due to less human activities, (2) the biological safety from outlets of paddy fields ranked much worse than those from point source discharges of toxic pollutants, (3) the use of pesticides significantly affected the water quality of nearby small rivers and ditches during the pesticide application season, (4) the effects of different kinds of pesticides could successfully be classified using one toxicity test component of the bioassay battery, and (5) there was no significant quantitative relationship between the toxicity and dissolved organic carbon (DOC) for the studied water samples. The toxicities of water samples in this study were in agreement with the concentrations of pesticides determined with chemical methods by other researchers, which demonstrated that the developed assessment method was reliable to screen site contaminated with organic chemicals for priority management. (c) 2008 Elsevier Ltd. All rights reserved.
原文出处: 查看原文
WOS记录号: WOS:000258271000013
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/5981
Appears in Collections:热带海洋环境动力实验室(LTO)_期刊论文

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Recommended Citation:
Wei, DB; Lin, ZF; Kameya, T; Urano, KH; Du, YG.Application of biological safety index in two Japanese watersheds using a bioassay battery,CHEMOSPHERE,2008,72(9):1303-1308
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