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学科主题: Environmental Sciences
题名: Polychlorinated biphenyl congeners and organochlorine insecticides in the water column and sediments of Daya Bay, China
作者: Zhou, JL ; Maskaoui, K ; Qiu, YW ; Hong, HS ; Wang, ZD
通讯作者: Zhou, JL, Univ Sussex, Sch Chem Phys & Environm Sci, Ctr Environm Res, Brighton BN1 9QJ, E Sussex, England
关键词: PCBs ; organochlorine insecticides ; HCHs ; DDTs ; Daya Bay
刊名: ENVIRONMENTAL POLLUTION
发表日期: 2001
卷: 113, 期:3, 页:373-384
收录类别: sci
部门归属: Univ Sussex, Sch Chem Phys & Environm Sci, Ctr Environm Res, Brighton BN1 9QJ, E Sussex, England; Xiamen Univ, Environm Sci Res Ctr, Xiamen 361005, Peoples R China; Chinese Acad Sci, S China Sea Inst Oceanol, Marine Biol Res Stn Daya Bay, Guangzhou 510301, Peoples R China
项目归属: 海洋生物
摘要: Samples of sub-surface water, suspended particulate matter (SPM) and surface sediments collected from Daya Bay, China have been analysed for 12 polychlorinated biphenyl (PCB) congeners and 18 organochlorine insecticides, using gas chromatography electron capture detection. Total PCB levels varied from 91.1 to 1355.3 ng l(-1) in water and from 0.85 to 27.37 ng g(-1) dry weight in sediments. The levels of total organochlorine insecticides were in the range 143.3-5104.8 ng l(-1) in water and 2.43-86.25 ng g(-1) dry weight in sediment. None of the target compounds were detected in SPM. The levels of total hexachlorocyclohexanes in water varied from 35.5 to 1228.6 ng l(-1), whilst in sediments they ranged from 0.32 to 4.16 ng g(-1) dry weight. For the sum of dichlorodiphenyltrichloroethanes (DDTs), their levels were in the range 26.8-975.9 ng l(-1) in water, and 0.14-20.27 ng g(-1) dry weight in sediments. The distribution profiles of these contaminants in water and sediments suggest that there are a number of sources contributing to total contaminant burden in the bay, including soil runoffs, wastewater discharges, sewage outfalls and shipping activities. Ratios of DDT/(DDE + DDD) in the water and sediments indicate recent inputs of such chemicals into the bay. The results, therefore, provide important information on the current contamination status of a key aquacultural area in China, and point to the need for urgent actions to stop the use of persistent agrochemicals such as DDT and lindane. (C) 2001 Elsevier Science Ltd. All rights reserved.
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WOS记录号: WOS:000169271200014
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/3928
Appears in Collections:海洋生物_期刊论文

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Zhou, JL; Maskaoui, K; Qiu, YW; Hong, HS; Wang, ZD.Polychlorinated biphenyl congeners and organochlorine insecticides in the water column and sediments of Daya Bay, China,ENVIRONMENTAL POLLUTION,2001,113(3):373-384
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