Abstract
Total of 40 soil samples were collected in vegetable garden soil in the urban-rural area of Fushun city. Heavy metal elements were evaluated including Cu, Zn, Pb, Cd , Cr, Ni, As and Hg. Soil environmental quality was evaluated by a combination of the single quality index method and the complex quality index method. Meantime, the soil potential ecological hazard was evaluated by Hakanson method. It will provide scientific basis for regional agricultural production, environmental protection and industry structural adjustment. The study showed that eight samples were contaminated by Ni, exceeding rate of 20.0%, and seven samples were contaminated by Cu, exceeding rate of 17.5%. In comprehensive study, light polluted accounted for 12.5%; warning and safety level accounted for 87.5%. At the same time, the order of the potential ecological risk of single-factor was Cd>Hg>Cu>Ni>As>Pb>Zn>Cr. Integrated potential ecological hazard was slight with the number of 25.48. Statistical analysis, correlation analysis and factor analysis all suggested that concentration of Cu, Ni, Zn and Hg were mainly affected by human activities, Pb, Cd, Cr and As were mainly controlled by parent rocks.
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