Ecological risk assessment and source identification for heavy metals in surface sediment from the Liaohe River protected area, China.


Surface sediment samples collected from 19 sites in the Liaohe River protected area were analysed for heavy metals to evaluate their potential ecological risk. The results demonstrated that the degree of pollution from seven heavy metals decreases in the following sequence: cadmium(Cd)>arsenic(As)>copper(Cu)>nickel(Ni)>lead(Pb)>chromium(Cr)>zinc(Zn). The… (More)
DOI: 10.1016/j.chemosphere.2017.02.029


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