Spatial and temporal distributions of nitrogen, phosphorus and heavy metals in the intertidal sediment of the Chang jiang River Estuary in China |
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| Authors: | QUAN Weimin SHI Liyan HAN Jindi PING Xianyin SHEN Anglv and CHEN Yaqu |
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| Institution: | Key and Open Laboratory of Marine and Estuarine Fishery of Ministry of Agriculture, East China Sea Fishery Research Institute, Chinese Academy of Fishery Science, Shanghai 200090, China |
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| Abstract: | Spatial and temporal distributions of nutrients(N and P) and heavy metals(Cu,Zn,Pb and Cd) in the intertidal sediments at Dongtan wetland of the Changjiang River(Yangtze River) Estuary were examined by laying one transect running seaward to landward during January,April,June,August and October of 2005. Total nitrogen(TN) and heavy metal concentrations in the intertidal sediment showed an increasing trend from open bare flat to the high marsh,with the maximum concentrations in the high marsh and the minimum ... |
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| Keywords: | heavy metals nutrients intertidal Changjiang River Estuary contamination |
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