Distribution and Accumulation of Organochlorine Pesticides in Soils of Dashiwei Tiankengs, Guangxi
详细信息
- 责任者：Kong Xiangsheng (Institude of Karst Geology ; Chinese Academy of Geological Sciences ; Guilin 541004 ; China) ; Qi Shihua
- 刊名：Geochimica
- 出版年：2012
- 卷期：41(2)
- 关键词：农药 ; pesticides ; 土壤污染 ; soil pollution ; 广西 ; Guangxi Province
- 页码：p.188-196
- 图表：7 illus., 2 tables, 25 refs.
- 分类号：1800
- issnNo：ISSN0379-1726
- isbnNo：CN44-1398/P
摘要
///Typical karst tiankengs,located in the Leye County,Guangxi,were chosen as the study area.The soil samples collected from different karst topography were analyzed for hexachlorocyclohexane(HCHs) and dichloro-diphenyl-trichloroethane(DDTs) by using GC-ECD.The results show that the concentration of total organochilorine pesticides (OCPs) in the bottom soils was obviously higher than that of the top soils.Consequently,Dashiwei karst tiankengs showed an obvious “cold trap effect” of organic pollutants.
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