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Spatial and temporal variations of organochlorine pesticides (OCPs) in water and sediments from Honghu Lake, China
Yuan, Linxi1,2,3; Qi, Shihua1; Wu, Xiaoguo4; Wu, Chenxi1,5; Xing, Xinli1; Gong, Xiangyi6; Qi, SH (reprint author), State Key Lab Biogeol & Environm Geol, Wuhan 430074, Hubei, Peoples R China.
2013-09-01
Source PublicationJOURNAL OF GEOCHEMICAL EXPLORATION
ISSN0375-6742
Volume132Pages:181-187
AbstractHonghu Lake in Jianghan Plain, central China is an important habitat for many migratory birds and an important site for freshwater fishery, and Honghu Lake region is also a main area for rice and cotton production in China. To understand the status and changes of organochlorine pesticide (OCP) contamination, and to assess the OCPs' risks for the ecosystem in Honghu Lake, thirty surface water samples, fifteen surface sediments, and a sediment core were collected in January and July, 2005. OCPs, such as DDTs, HCHs and chlordanes, were determined by GC-ECD in all samples. Concentrations of OCPs in surface water collected during the wet season (July 2005) were relatively higher than those collected during the dry season (January 2005), indicating that the increasing land runoff during the summer might bring the chemical residues from soils to Honghu Lake. The relatively low alpha-HCH/gamma-HCH ratio and the relatively high o,p'-DDT/p,p'-DDT ratio indicated the application of lindane on regional agricultural lands in late spring and summer (April-August), which increased the increasing contribution of dicofol to DDT in Honghu Lake, respectively. The levels of Sigma HCHs and Sigma DDTs in the surface sediments were relatively lower than those from the Yangtze River Delta, but comparable to those from other lakes and rivers in China. The composition of HCHs and DDTs in the surface sediments showed that there was fresh input of lindane (gamma-HCH), and DDT residues in Honghu Lake were aged and probably mainly originated from weathered agricultural soils of surrounding Jianghan Plain. Wash out of HCHs and DDTs from soil was the possible process which caused the increasing concentrations of these chemicals in recent years. (C) 2013 Elsevier B.V. All rights reserved.; Honghu Lake in Jianghan Plain, central China is an important habitat for many migratory birds and an important site for freshwater fishery, and Honghu Lake region is also a main area for rice and cotton production in China. To understand the status and changes of organochlorine pesticide (OCP) contamination, and to assess the OCPs' risks for the ecosystem in Honghu Lake, thirty surface water samples, fifteen surface sediments, and a sediment core were collected in January and July, 2005. OCPs, such as DDTs, HCHs and chlordanes, were determined by GC-ECD in all samples. Concentrations of OCPs in surface water collected during the wet season (July 2005) were relatively higher than those collected during the dry season (January 2005), indicating that the increasing land runoff during the summer might bring the chemical residues from soils to Honghu Lake. The relatively low alpha-HCH/gamma-HCH ratio and the relatively high o,p'-DDT/p,p'-DDT ratio indicated the application of lindane on regional agricultural lands in late spring and summer (April-August), which increased the increasing contribution of dicofol to DDT in Honghu Lake, respectively. The levels of Sigma HCHs and Sigma DDTs in the surface sediments were relatively lower than those from the Yangtze River Delta, but comparable to those from other lakes and rivers in China. The composition of HCHs and DDTs in the surface sediments showed that there was fresh input of lindane (gamma-HCH), and DDT residues in Honghu Lake were aged and probably mainly originated from weathered agricultural soils of surrounding Jianghan Plain. Wash out of HCHs and DDTs from soil was the possible process which caused the increasing concentrations of these chemicals in recent years. (C) 2013 Elsevier B.V. All rights reserved.
SubtypeArticle
KeywordHonghu Lake, China Organochlorine Pesticides (Ocps) Surface Water Sediment Spatial And Temporal Variations
Department[Yuan, Linxi ; Qi, Shihua ; Wu, Chenxi ; Xing, Xinli] State Key Lab Biogeol & Environm Geol, Wuhan 430074, Hubei, Peoples R China ; [Yuan, Linxi] Jiangsu Bioengn Res Ctr Selenium, Suzhou 215123, Jiangsu, Peoples R China ; [Yuan, Linxi] Univ Sci & Technol China, Suzhou Inst Adv Study, Adv Lab Selenium & Human Hlth, Suzhou 215123, Jiangsu, Peoples R China ; [Wu, Xiaoguo] Anhui Normal Univ, Coll Environm Sci & Engn, Wuhu 241003, Anhui, Peoples R China ; [Wu, Chenxi] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China ; [Gong, Xiangyi] Wuhan Univ Sci & Technol, Inst Environm Sci & Engn, Wuhan 430070, Hubei, Peoples R China
DOI10.1016/j.gexplo.2013.07.002
WOS HeadingsScience & Technology ; Physical Sciences
Funding OrganizationNatural Science Foundation of Jiangsu Province for Youth, China [BK2012202]; China Post-doctoral Foundation [20100480928]; Natural Scientific Foundation of China [41073070] ; Natural Science Foundation of Jiangsu Province for Youth, China [BK2012202]; China Post-doctoral Foundation [20100480928]; Natural Scientific Foundation of China [41073070] ; Natural Science Foundation of Jiangsu Province for Youth, China [BK2012202]; China Post-doctoral Foundation [20100480928]; Natural Scientific Foundation of China [41073070] ; Natural Science Foundation of Jiangsu Province for Youth, China [BK2012202]; China Post-doctoral Foundation [20100480928]; Natural Scientific Foundation of China [41073070]
Indexed BySCI
Language英语
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000323993700020
WOS KeywordPERSISTENT ORGANIC POLLUTANTS ; PEARL RIVER DELTA ; SOUTH CHINA ; EAST CHINA ; TAIHU LAKE ; CLIMATE-CHANGE ; SURFACE-WATER ; ARCTIC-OCEAN ; AIR ; RESIDUES
Funding OrganizationNatural Science Foundation of Jiangsu Province for Youth, China [BK2012202]; China Post-doctoral Foundation [20100480928]; Natural Scientific Foundation of China [41073070] ; Natural Science Foundation of Jiangsu Province for Youth, China [BK2012202]; China Post-doctoral Foundation [20100480928]; Natural Scientific Foundation of China [41073070] ; Natural Science Foundation of Jiangsu Province for Youth, China [BK2012202]; China Post-doctoral Foundation [20100480928]; Natural Scientific Foundation of China [41073070] ; Natural Science Foundation of Jiangsu Province for Youth, China [BK2012202]; China Post-doctoral Foundation [20100480928]; Natural Scientific Foundation of China [41073070]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/19605
Collection水环境工程研究中心_期刊论文
Corresponding AuthorQi, SH (reprint author), State Key Lab Biogeol & Environm Geol, Wuhan 430074, Hubei, Peoples R China.
Affiliation1.State Key Lab Biogeol & Environm Geol, Wuhan 430074, Hubei, Peoples R China
2.Jiangsu Bioengn Res Ctr Selenium, Suzhou 215123, Jiangsu, Peoples R China
3.Univ Sci & Technol China, Suzhou Inst Adv Study, Adv Lab Selenium & Human Hlth, Suzhou 215123, Jiangsu, Peoples R China
4.Anhui Normal Univ, Coll Environm Sci & Engn, Wuhu 241003, Anhui, Peoples R China
5.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
6.Wuhan Univ Sci & Technol, Inst Environm Sci & Engn, Wuhan 430070, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Yuan, Linxi,Qi, Shihua,Wu, Xiaoguo,et al. Spatial and temporal variations of organochlorine pesticides (OCPs) in water and sediments from Honghu Lake, China[J]. JOURNAL OF GEOCHEMICAL EXPLORATION,2013,132:181-187.
APA Yuan, Linxi.,Qi, Shihua.,Wu, Xiaoguo.,Wu, Chenxi.,Xing, Xinli.,...&Qi, SH .(2013).Spatial and temporal variations of organochlorine pesticides (OCPs) in water and sediments from Honghu Lake, China.JOURNAL OF GEOCHEMICAL EXPLORATION,132,181-187.
MLA Yuan, Linxi,et al."Spatial and temporal variations of organochlorine pesticides (OCPs) in water and sediments from Honghu Lake, China".JOURNAL OF GEOCHEMICAL EXPLORATION 132(2013):181-187.
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