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From July 2003 to July 2004, samples were collected on Chongming Island east tidal flat every two months. The research showed that the nitrous oxide (N2O) production rate was very low in the water, Chongming east tidal flat (CM) sediment was the N2O source of the water. Sediment N2O natural production rate was between −0.08 and 1.74 µmolN·m−2·h−1. N2O natural production rate was higher in the summer...
Concentrations of phosphorus (P) and polycyclic aromatic hydrocarbons (PAHs) were determined in tidal flat sediments from the Yangtze estuary and Hangzhou Bay. The amount of total P in surface sediments ranges from 18.0 to 31.4 μmol g -1 along the southern coast. The spatial and temporal distribution of P in tidal flats is closely related to geomorphological location and contaminant input,...
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