Comparative study of polycyclic aromatic hydrocarbons (PAHs) and heavy metals (HMs) in corals, sediments and seawater from coral reefs of Hainan, China

doi:10.1016/j.envpol.2020.114719

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標題:	Comparative study of polycyclic aromatic hydrocarbons (PAHs) and heavy metals (HMs) in corals, sediments and seawater from coral reefs of Hainan, China
作者:	Yang, Tinghan Diao, Xiaoping Cheng, Huamin Wang, Haihua Zhou, Hailong Zhao, Hongwei Chen, Chien Min
貢獻者:	Hainan Univ, State Key Lab Marine Resource Utilizat South Chin Hainan Univ, Coll Ecol & Environm Xiamen Univ Hainan Univ, Sch Life & Pharmaceut Sci Chia Nan Univ Pharm & Sci, Dept Environm Resources & Management
關鍵字:	Polycyclic aromatic hydrocarbons Heavy metal Coral reefs Bioaccumulation Inter-species differences
日期:	2020
上傳時間:	2022-11-18 11:24:26 (UTC+8)
出版者:	Elsevier Sci Ltd
摘要:	This work investigated levels of PAHs and HMs in fourteen species from seven genera of scleractinian corals, adjacent sediments, and surface seawater in Hainan, China. The sources of contaminations were analyzed as well. The results showed that scleractinian corals had a relatively higher bioaccumulation capacity for PAHs from sediments than for HMs. There were inter-species differences for these contaminants enriched in corals. Pavona varians and Porites lutea could accumulate PAHs more readily. While higher concentrations of Cr, Mn and Pb occurred in Favites flexuosa, other metal levels, such as for Ni, Cu, Zn and As, were found to be elevated in Pocillopora damicornis, as well as for Cd in Acropora echinata. It was found that PAHs originated from petrogenic and pyrolytic sources, and were mainly linked to onshore and on-sea activities, such as motorboats. Mn, Ni, As and Cd were from crustal materials or natural weathering, while Cr, Cu, Zn and Pb were non-crustal origin connecting with the use of antifouling boat paint and agricultural and/or aquacultural chemicals. This study suggested that corals could serve as good bioindicators for two types of chemical pollution in the reef system, especially for the two species P. varians and P. lutea for PAHs contaminants. (C) 2020 Elsevier Ltd. All rights reserved.
關聯:	Environmental Pollution, v.264, pp.14
显示于类别:	[環境資源管理系(所)] 期刊論文

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