Spatial distribution and sources of heavy metals and petroleum hydrocarbon in the sand flats of Shuangtaizi Estuary, Bohai Sea of China

被引:53
作者
Yang, Xiaolong [1 ,2 ]
Yuan, Xiutang [1 ]
Zhang, Anguo [1 ,3 ]
Mao, Yuze [4 ]
Li, Qiang [2 ]
Zong, Humin [1 ]
Wang, Lijun [1 ]
Li, Xiaodong [5 ]
机构
[1] State Ocean Adm, Natl Marine Environm Monitoring Ctr, Dalian 116023, Liaoning, Peoples R China
[2] Dalian Ocean Univ, Dalian 116023, Peoples R China
[3] Liaoning Med Univ, Jinzhou 315211, Peoples R China
[4] Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao 266071, Peoples R China
[5] Panjin Guanghe Crab Co Ltd, Panjin 124200, Peoples R China
基金
中国国家自然科学基金;
关键词
Shuangtaizi Estuary; Heavy metals; Petroleum hydrocarbon; Distribution; Source; Ecological risk assessment; POLYCYCLIC AROMATIC-HYDROCARBONS; SURFACE SEDIMENTS; TRACE-METALS; POLYCHLORINATED-BIPHENYLS; POLLUTION STATUS; ORGANIC-MATTER; RIVER; BAY; CONTAMINATION; BIOACCUMULATION;
D O I
10.1016/j.marpolbul.2015.02.042
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The concentrations of heavy metals and petroleum hydrocarbons (PHCs) in surface sediments were investigated in the sand flats of Shuangtaizi Estuary, Bohai Sea of China in May, 2013. Ecological risk assessment indicated that most heavy metals cause low ecological risk to the estuarine environment, with the exception of Cd and Hg (considerable and moderate risk, respectively). Principal component analysis in combination with correlation analysis among heavy metals, PHCs and geological factors (e.g., granularity) was used to identify possible sources of pollutants in Shuangtaizi Estuary. Results showed that the main pollution sources of the area come from anthropogenic factors, such as sewage discharge and oil exploitation. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码:503 / 512
页数:10
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