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- W2360431729 abstract "Distribution characteristics of soil heavy me tals in water-level-fluctuating zone in Xiaojiang River were investigated and analyzed.The results showed that contents of the heavy metals were 23.76 mg kg-1,20.78 mg kg-1,82.92 mg kg-1,36.84 mg kg-1,0.064 mg kg-1 and 38.08 mg kg-1,respectively.The results of statistical analysis indicated that concentrations of the heavy metals detected in the studied soils did not exceed the National Standard for Soil Environment Quality (GB15618-1995).Zn,Pb,Ni were higher than background values of Chongqing soil.Correlation coefficients of Cr-Cd,Cu-Zn,Cu-Cd and Cu-Ni were 0.9077,0.7969,0.4217 and 0.4347,respectively.There were positive correlations among with them,but not significantly with others.Ni was considered as a dominant element causing soil heavy metal pollution in the area.the order of typical heavy metal pollution extent was NiZnCuCdPbCr.the mean value of single-factor indices of soil heavy metals in all soil samples was less than 0.7.Comprehensive pollution index of soil heavy metal was 0.470,the level of pollution was cleaner.The potentially ecological risk of heavy metal was also light as the mean integrated index was low.The levels of potential ecological hazard for soils in different functional zones were subsequently decreased from Shanzhong,Zhongyuan and Puxi.Pb and Cd brought the dominating potential ecological hazard,followed by Cu and Cr." @default.
- W2360431729 created "2016-06-24" @default.
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- W2360431729 date "2010-01-01" @default.
- W2360431729 modified "2023-09-26" @default.
- W2360431729 title "Distribution Characteristics and Evaluation of Soil Heavy Metals in Water-level-fluctuating Zone in Xiaojiang River" @default.
- W2360431729 hasPublicationYear "2010" @default.
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