Organochlorine pesticides (OCPs) in soils and sediments, southeast China: A case study in Xinghua Bay

被引:54
|
作者
Zhang, Jiaquan
Qi, Shihua [1 ]
Xing, Xinli
Tan, Lingzhi
Gong, Xiangyi
Zhang, Yuan
Zhang, Junpeng
机构
[1] China Univ Geosci, Sch Environm Studies, Wuhan 430074, Peoples R China
基金
中国国家自然科学基金;
关键词
Organochlorine pesticides (OCPs); Watershed; Bay; Soil; Sediment core; PEARL RIVER DELTA; PERSISTENT ORGANIC POLLUTANTS; AGRICULTURAL SOIL; QUANZHOU BAY; CHLORDANE; DDT; CONTAMINATION; RESIDUES; TRENDS; TAIHU;
D O I
10.1016/j.marpolbul.2011.03.010
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
This study evaluated the contamination status and distribution of organochlorine pesticides (OCPs) between Xinghua Bay and adjacent watersheds in Putian region, southeast China. Twenty-five surface soil samples and two sediment cores were collected from two watersheds and the Xinghua Bay, respectively. Results showed that the concentrations of OCPs in samples of the Mulan River Watershed (MRW), the Qiulu River Watershed (QRW), the inner bay core (IBC) and the open bay core (OBC) were in the range of 4.96-38.20 ng/g, 4.62-22.80 ng/g, 1.84-80.46 ng/g and 1.87-23.43 ng/g, respectively. The mean concentration of OCPs was in an order: IBC > MRW > QRW > OBC. The higher concentration of OCPs in recent periods may suggest that a certain amount of OCPs were still input to this area. (C) 2011 Published by Elsevier Ltd.
引用
收藏
页码:1270 / 1275
页数:6
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