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| Keywords | |
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riverbed soil |
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heavy metals |
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farmland soil |
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ecological risk assessment |
| Authors | |
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YANG Xiao-Ying-1 |
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ZHANG Li-Wen-1 |
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ZHANG Feng-Jun-1 |
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MA Zhe-2 |
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LI Long-Hui-1 |
| PubMed | |
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Article by Yang, X. Y. 1 |
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Article by Zhang, L. W. 1 |
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Article by Zhang, F. J. 1 |
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Article by Ma, Z. 2 |
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Article by Li, L. H. 1 |
Potential risk assessment of heavy metal pollution in soil
YANG Xiao-Ying-1, ZHANG Li-Wen-1, ZHANG Feng-Jun-1, MA Zhe-2, LI Long-Hui-1
1�� College of Environmental and Resources��Jilin University��Changchun 130026��China; 2�� Environmental Protection Department of Jilin Province��Changchun 130026��China
For investigation of the risk assessment of Cd and Ni pollution in soil��the authors used geo-accumulation index and potential ecological risk index methods��taking the soils in riverbed and farmland of one river in North China as an example�� The results showed that the soils from riverbed and farmland near waste smelting center were severely polluted by Cd and Ni��which were higher than the local background soil value�� The enrichment degree of heavy metals in riverbed was Cd �� Ni��and the Cd reached grade 5 ( heavy pollution degree) �� Compared with the local soil background value��the concentration of heavy metals in the river showed serious ecological risk�� and the order of potential ecological risk of the two heavy metals was Cd �� Ni��