Assessment of the distribution, sources and potential ecological risk of heavy metals in the dry surface sediment of Aibi Lake in northwest China

PloS One
Jilili AbuduwailiFengqing Jiang

Abstract

The distribution, sources and potential ecological risk of heavy metals in the sediment of lakes in eastern China and other areas of the world that have undergone rapid economic development have been widely researched by scholars. However, this is not true for heavy metals in the sediment of rump lakes in the arid regions of China and world-wide. Because of this, we chose Aibi Lake to serve as a typical rump lake in an oasis in an arid area in northwest China for our study. Sediment samples were collected from the lake and then the quantities of the heavy metals Pb, Ni, Cd, Cu, Zn, Hg and Cr were measured. Then using a variety of statistical methods, we analyzed the distribution, sources, pollution status and the potential ecological risk of these metals. The results show that: (1) The amounts of the seven heavy metals all fell within the Second Soil National Standard, but the average and maximum values were all higher than the background values of Xinjiang in northwest China. (2) Multivariate statistical analysis determined that the Cd, Pb, Hg and Zn in the sediment were mainly derived from man-sources, and Cu, Ni, and Cr were mainly from the natural geological background. (3) Enrichment factor analysis and the geo-accumulatio...Continue Reading

References

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Citations

May 10, 2015·Environmental Science and Pollution Research International·Jilili AbuduwaililJiang Fengqing
Jun 13, 2015·Environmental Science and Pollution Research International·Efrén García-OrdialesJorge Loredo
Jan 28, 2017·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Lenka DemkováJán Jobbágy
Oct 11, 2017·Environmental Science and Pollution Research International·Yanjie CuiFen Huang
Jun 6, 2020·International Journal of Environmental Research and Public Health·Elizabeth J LamRodrigo J Rojas
Dec 13, 2017·Environmental Science and Pollution Research International·Priyanka MondalSantosh Kumar Sarkar
Dec 1, 2017·Environmental Science and Pollution Research International·Zhang ZhaoyongAnwar Mohammed
Jan 10, 2018·Environmental Monitoring and Assessment·Zhang ZhaoyongYang Shengtian
Jun 7, 2020·Environmental Science and Pollution Research International·Kishor Kumar SarkerMd Firoz Khan
Jun 15, 2021·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Chao-Lang KaoYuan-Jie Zhuang

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Methods Mentioned

BETA
PCA

Software Mentioned

ArcGIS

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