Spatial and temporal distributions of nitrogen, phosphorus and heavy metals in the intertidal sediment of the Chang jiang River Estuary in China
作者： Weimin Quan , Liyan Shi , Jindi Han , Xianyin Ping , Anglv Shen
DOI: 10.1007/S13131-010-0013-3
关键词:
摘要: Spatial and temporal distributions of nutrients (N P) heavy metals (Cu, Zn, Pb Cd) in the intertidal sediments at Dongtan wetland Changjiang River (Yangtze River) Estuary were examined by laying one transect running seaward to landward during January, April, June, August October 2005. Total nitrogen (TN) metal concentrations sediment showed an increasing trend from open bare flat high marsh, with maximum marsh minimum values flat. In contrast, total phosphorus (TP) changed little among sampling sites. One-way ANOVA found that there significantly variations (P < 0.05). The generally January October. As compared other large estuaries, contamination was relatively low.
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