Organochlorine Pesticides in Soils Around Watersheds of Beijing Reservoirs: A Case Study in Guanting and Miyun Reservoirs

被引:12
|
作者
Hu, Wenyou [1 ,2 ]
Lu, Yonglong [1 ,2 ]
Wang, Guang [1 ,2 ]
Wang, Tieyu [1 ]
Luo, Wei [1 ]
Shi, Yajuan [1 ]
Zhang, Xiang [1 ,2 ]
Jiao, Wentao [1 ,2 ]
机构
[1] Chinese Acad Sci, Ecoenvironm Sci Res Ctr, State Key Lab Urban & Reg Ecol, Beijing 100085, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
关键词
Organochlorine pesticides; Soil contamination; Sources; Watershed; AGRICULTURAL SOILS; SURFACE SOILS; RESIDUES; DDT; HCH; CONTAMINATION; RIVER; AIR;
D O I
10.1007/s00128-009-9679-7
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
A systematic survey of organochlorine pesticides (OCPs) residues in soils around reservoirs that supply water to Beijing, China, has been lacking. 104 representative surface soil samples were collected around Guanting Reservoir (GTR) and Miyun Reservoir (MYR) in Beijing watershed to characterize concentrations and sources of organochlorine pesticides, hexachlorocyclohexane (HCH) and dichlorodiphenyltrichloroethane (DDT). Compared with other studies of OCPs in soils and with the Chinese environmental quality standard for soil, the concentrations of OCP were relatively lower in soils around the watershed. The results indicated that past agricultural application of OCPs was the major source of OCP residues in the watershed.
引用
收藏
页码:694 / 700
页数:7
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