期刊
MARINE POLLUTION BULLETIN
卷 83, 期 1, 页码 290-297出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2014.03.003
关键词
Pollution status; Adverse biological risk; Total petroleum hydrocarbons; Heavy metal; Bohai Bay
资金
- Ministry of Science and Technology of China [2008EG124218]
- Public Science and Technology Research Funds Projects of Ocean in China [200805080]
- National Natural Science Foundation of China [21307045]
Surface sediments collected from 2001 to 2011 were analyzed for total petroleum hydrocarbons (TPH) and five heavy metals. The sediment concentration ranges of TPH, Zn, Cu, Pb, Cd and Hg were 6.3-535 mu g/g, 58-332 mu g/g, 7.2-63 mu g/g, 4.3-138 mu g/g, 0-0.98 mu g/g, and 0.10-0.68 mu g/g, respectively. These results met the highest marine sediment quality standards in China, indicating that the sediment was fairly clean. However, based on the effects range-median (ERM) quotient method, the calculated values for all of the sampling sites were higher than 0.10, suggesting that there was a potential adverse biological risk in Bohai Bay. According to the calculated results, the biological risk decreased from 2001 to 2007 and increased afterwards. High-risk sites were mainly distributed along the coast. This study suggests that anthropogenic influences might be responsible for the potential risk of adverse biological effects from TPH and heavy metals in Bohai Bay. (C) 2014 Elsevier Ltd. All rights reserved.
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