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Understanding the paradox of selenium contamination in mercury mining areas: High soil content and low accumulation in rice
Hua Zhang;  Xinbin Feng;  Chengxin Jiang;  Qiuhua Li;  Yi Liu;  Chunhao Gu;  Lihai Shang;  Ping Li;  Yan Lin;  Thorjørn Larssen
2014
Source PublicationEnvironmental Pollution
Volume188Pages:27-36
Abstract

Rice is an important source of Se for billions of people throughout the world. The Wanshan area can be categorized as a seleniferous region due to its high soil Se content, but the Se content in the rice in Wanshan is much lower than that from typical seleniferous regions with an equivalent soil Se level. To investigate why the Se bioaccumulation in Wanshan is low, we measured the soil Se speciation using a sequential partial dissolution technique. The results demonstrated that the bioavailable species only accounted for a small proportion of the total Se in the soils from Wanshan, a much lower quantity than that found in the seleniferous regions. The potential mechanisms may be associated with the existence of Hg contamination, which is likely related to the formation of an inert HgeSe insoluble precipitate in soils in Wanshan.

Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/42920512-1/8138
Collection环境地球化学国家重点实验室
Affiliation1.State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, 46 Guanshui Road, Guiyang 550002, China
2.Norwegian Institute for Water Research (NIVA), Gaustadalléen 21, 0349 Oslo, Norway
3.Academy of Engineering Institute, China University of Geosciences, Wuhan 430074, China
4.Key Laboratory for Information System of Mountainous Area and Protection of Ecological Environment of Guizhou Province, Guizhou Normal University, Guiyang 550001, China
5.Guizhou Academy of Geological Survey, Guiyang 55005, China
Recommended Citation
GB/T 7714
Hua Zhang;Xinbin Feng;Chengxin Jiang;Qiuhua Li;Yi Liu;Chunhao Gu;Lihai Shang;Ping Li;Yan Lin;Thorjørn Larssen. Understanding the paradox of selenium contamination in mercury mining areas: High soil content and low accumulation in rice[J]. Environmental Pollution,2014,188:27-36.
APA Hua Zhang;Xinbin Feng;Chengxin Jiang;Qiuhua Li;Yi Liu;Chunhao Gu;Lihai Shang;Ping Li;Yan Lin;Thorjørn Larssen.(2014).Understanding the paradox of selenium contamination in mercury mining areas: High soil content and low accumulation in rice.Environmental Pollution,188,27-36.
MLA Hua Zhang;Xinbin Feng;Chengxin Jiang;Qiuhua Li;Yi Liu;Chunhao Gu;Lihai Shang;Ping Li;Yan Lin;Thorjørn Larssen."Understanding the paradox of selenium contamination in mercury mining areas: High soil content and low accumulation in rice".Environmental Pollution 188(2014):27-36.
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