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Spatial and temporal distributions of nitrogen, phosphorus and heavy metals in the intertidal sediment of the Chang jiang River Estuary in China
作者姓名:QUAN Weimin  SHI Liyan  HAN Jindi  PING Xianyin  SHEN Anglv  CHEN Yaqu
作者单位: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 
基金项目:The Key Item of National Natural Science Foundation of China under contract No. 50339040;;Special Research Fund for the National Non-profit Institutes of China (East China Sea Fishery Research Institute) under contract No. 2007M03
摘    要: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 °at to the high marsh, with the maximum concentrations in the high marsh and the minimum values in open bare °at. In contrast, sediment total phosphorus (TP) concentrations changed little among sampling sites. One-way ANOVA found that there were signiˉcantly temporal variations of nutrients and heavy metals concentrations in the intertidal sediment (P <0.05). The concentrations of heavy metals generally showed an increasing trend from January to October. As compared with other large estuaries, heavy metal contamination in the intertidal sediment of the Changjiang River Estuary was relatively low.

关 键 词:重金属含量  长江河口  沉积物  潮间带  时空分布  总氮  总磷  单因素方差分析
收稿时间:26 April 2005
修稿时间:2008/11/20 0:00:00

Spatial and temporal distributions of nitrogen, phosphorus and heavy metals in the intertidal sediment of the Chang jiang River Estuary in China
QUAN Weimin,SHI Liyan,HAN Jindi,PING Xianyin,SHEN Anglv,CHEN Yaqu.Spatial and temporal distributions of nitrogen, phosphorus and heavy metals in the intertidal sediment of the Chang jiang River Estuary in China[J].Acta Oceanologica Sinica,2010,29(1):108-115.
Authors:QUAN Weimin  SHI Liyan  HAN Jindi  PING Xianyin  SHEN Anglv and CHEN Yaqu
Affiliation: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
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 ...
Keywords:heavy metals  nutrients  intertidal  Changjiang River Estuary  contamination  
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