Document Detail


Distribution and speciation of metals (Cu, Zn, Cd, and Pb) in agricultural and non-agricultural soils near a stream upriver from the Pearl River, China.
MedLine Citation:
PMID:  23466733     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The distribution and chemical speciation of typical metals (Cu, Zn, Cd and Pb) in agricultural and non-agricultural soils were investigated in the area of Nanpan River, upstream of the Pearl River. The investigated four metals showed higher concentrations in agricultural soils than in non-agricultural soils, and the site located in factory district contained metals much higher than the other sampling sites. These observations suggested that human activities, such as water irrigation, fertilizer and pesticide applications might have a major impact on the distribution of metals. Metal speciation analysis presented that Cu, Zn and Cd were dominated by the residual fraction, while Pb was dominated by the reducible fraction. Because of the low mobility of the metals in the investigated area, no remarkable difference could be observed between upstream and downstream separated by the factory site.
Authors:
Silin Yang; Dequn Zhou; Huayong Yu; Rong Wei; Bo Pan
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-3-2
Journal Detail:
Title:  Environmental pollution (Barking, Essex : 1987)     Volume:  177C     ISSN:  1873-6424     ISO Abbreviation:  Environ. Pollut.     Publication Date:  2013 Mar 
Date Detail:
Created Date:  2013-3-7     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8804476     Medline TA:  Environ Pollut     Country:  -    
Other Details:
Languages:  ENG     Pagination:  64-70     Citation Subset:  -    
Copyright Information:
Copyright © 2013 Elsevier Ltd. All rights reserved.
Affiliation:
Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming 650500, China; Faculty of Environmental Science & Engineering, Southwest Forestry University, Kunming 6500224, China.
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