Distributions, sources, and ecological risks of DDT-related contaminants   in water, suspended particulate matter, and sediments from Haihe Plain,   Northern China

doi:10.1007/s10661-012-2667-0

CORC > 北京大学 > 城市与环境学院

	Distributions, sources, and ecological risks of DDT-related contaminants in water, suspended particulate matter, and sediments from Haihe Plain, Northern China
	Wang, Yan ; He, Wei ; Qin, Ning ; He, Qi-Shuang ; Kong, Xiang-Zhen ; Tao, Shu ; Xu, Fu-Liu
刊名	environmental monitoring and assessment
	2013
关键词	DDT Water Suspended particulate matter Sediments Ecological risk Haihe Plain SPECIES SENSITIVITY DISTRIBUTIONS ORGANOCHLORINE PESTICIDES OCPS PERSISTENT ORGANIC POLLUTANTS PEARL RIVER DELTA SURFACE-WATER EAST CHINA QIANTANG RIVER HUMAN-MILK RESIDUES SOIL
DOI	10.1007/s10661-012-2667-0
英文摘要	The residual levels of dichlorodiphenyltrichloroethane (DDT) and its metabolites (DDXs, including p,p'-DDT, DDD, and DDE) in water, suspended particulate matter (SPM), and sediments from major rivers, lakes, and reservoirs in Haihe Plain were measured with a gas chromatograph equipped with a Ni-63 microelectron capture detector. In the fall of 2004, the contents of the total DDXs in the water and SPM were 0.29 +/- 0.69 ng L-1 and 423.13 +/- 577.85 ng g(-1) dry wt., respectively. In the spring of 2005, the total DDXs were 0.36 +/- 0.91 ng L-1 for water and 35.93 +/- 62.65 ng g(-1) dry wt. for SPM. The average concentration of DDXs for sediments was 7.10 +/- 7.57 ng g(-1) dry wt. during the two seasons. The Eastern-Hebei-Province Coastland River System was the most polluted, which was mainly attributable to the extensive use of DDT pesticide and dicofol in that system. Recent DDT inputs still occur in some regions, as indicated by DDT/(DDD + DDE) > 1 at 29-36 % of the sites for water and 55-61 % of the sites for SPM. The potential ecological risks of DDT in the water were assessed using a species sensitivity distribution model. Only shrimp and crabs were found to have potentially affected fraction values of 1.63 x 10(-3) to 2.27 x 10(-4), with probabilities beyond the hazardous concentration for 5 % of species (HC5) values of 1.90-2.56 %, suggesting only slight risks. DDXs in the sediments of some sites were also of potential risk to benthic organism based on consensus-based sediment quality guidelines.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000313359000057&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Environmental Sciences; SCI(E); EI; PubMed; 8; ARTICLE; 2; 1777-1790; 185
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/160637]
专题	城市与环境学院
推荐引用方式 GB/T 7714	Wang, Yan,He, Wei,Qin, Ning,et al. Distributions, sources, and ecological risks of DDT-related contaminants in water, suspended particulate matter, and sediments from Haihe Plain, Northern China[J]. environmental monitoring and assessment,2013.
APA	Wang, Yan.,He, Wei.,Qin, Ning.,He, Qi-Shuang.,Kong, Xiang-Zhen.,...&Xu, Fu-Liu.(2013).Distributions, sources, and ecological risks of DDT-related contaminants in water, suspended particulate matter, and sediments from Haihe Plain, Northern China.environmental monitoring and assessment.
MLA	Wang, Yan,et al."Distributions, sources, and ecological risks of DDT-related contaminants in water, suspended particulate matter, and sediments from Haihe Plain, Northern China".environmental monitoring and assessment (2013).