Journal of Food, Agriculture and Environment
Vol 11,
Issue 3&4,2013
Online ISSN: 1459-0263
Print ISSN: 1459-0255
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Spatial distribution and ecological risk assessment of heavy metals in soils of the Hun River Alluvial-plain Fan in Shenyang, Liaoning, China
Author(s):
Tianye Wang 1,
Fengjun Zhang 1*, Huaiyuan Wang 2, Zhaoying Liu 1, Shuang Zhong 1Recieved Date: 2013-05-19, Accepted Date: 2013-09-24
Abstract:Fifty soil samples were collected from the Hun River Alluvial-plain Fan (HRAF) of Shenyang, Liaoning Province, China and analysed for various metals to determine the heavy metals spatial distribution. Cu, Pb, Zn, Ni and Cr were concentrated in the northwest and midwest HRAF, while the southeast portion was contaminated with As. The contamination coefficients (Cif) were found to be in the order of As > Pb > Cu > Cr > Zn > Ni. The combined pollution index values indicated that most sampling sites were characterised by combined heavy metal pollution, and the most contaminated area was the middle of the HRAF. Potential ecological risk assessment of monomial heavy metal risk factors showed an Eir < 40 and a potential ecological risk index < 50 for most sites, indicating low potential environmental risk. However, some sites in the middle of the HRAF indicated a moderate potential environmental risk. These results are important for the development of proper management strategies to decrease non-point source pollution by various remediation practices in Shenyang, China.
Keywords:Heavy metals,
soil, ecological risk assessment, ChinaJournal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 3&4
Category: Environment
Pages: 1606-1610
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