Abstract
Metal contents of surface sediments were analyzed temporally and spatially in Lake Chaohu, China. No obvious temporal variations were observed, which probably due to physio- and bio- mixing, e.g. wind and microbes, in this lake. Enrichment factor of some metals were generally greater than 1.0, suggesting significant anthropogenic impact on metal levels. Significantly positive correlations between concentrations of nutrient and metals indicated that the nutrients transported to this lake contributed, to some extent, to the enrichment of metals. The correlation between trace metals concentrations indicated the co-contamination of anthropogenically derived metal enrichment in surface sediment of Lake Chaohu.
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Acknowledgments
The authors thank Dr. Zaihua Guo for assistance of metals analyses. This research was supported by the Key Project of CAS (Grant No. KSCX2-SW-129) and funds from National Natural Science Foundation of China (30530170 and 30600089).
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Zhang, M., Xu, J. & Xie, P. Metals in Surface Sediments of Large Shallow Eutrophic Lake Chaohu, China. Bull Environ Contam Toxicol 79, 242–245 (2007). https://doi.org/10.1007/s00128-007-9191-x
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DOI: https://doi.org/10.1007/s00128-007-9191-x