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Biological denitrification in a macrophytic lake: implications for macrophytes-dominated lake management in the north of China
Denitrification plays an important role in nitrogen (N) removal in freshwater ecosystems. Aquatic plants might have an impact on the sediment denitrification of water body, especially in macrophytes-dominated ...
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Heavy metal pollution and assessment of the tidal flat sediments near the coastal sewage outfalls of shanghai, China
Zn, Cu, Cr and Pb concentrations of the sediment collected from three tidal flat sites of Yangtze estuary were investigated in October 2003. Results showed that the average concentrations of heavy metals in th...