Heavy metals,PCBs and their potential ecological risk assessment in the sediment at Dalinghe EstuaryChinese Full Text
WANG Bai;WU Jin-hao;YU Kun;TIAN Jia-shen;WANG Zhao-hui;HAN Jia-bo;Liaoning Ocean and Fisheries Science Research Institute;National Marine Hazard Mitigation Service SOA;
Abstract: Through analyzing the contents of different pollutants（Zn,Pb,Cu,Cd,Hg,As,PCBs,TOC,TN and TP） in the surface sediment at Dalinghe Estuary,with adopting pollution parameter techniques of single factor and Hakanson potential ecological risk index techniques,the quality status of these pollutants in the sediments were evaluated based on the monitoring data of surface sediments at Dalinghe Estuary（ Oct.,2010）. The results showed that the heavy metals and PCBs possessed rather light potential ecological risks,and the sequence of potential ecological risk of these pollutants was Cd ＞ Hg ＞ As ＞ Pb ＞ PCBs ＞ Cu ＞ Zn,Cd was main factor of potential ecological risks in the Dalinghe Estuary. There were positive correlation-ship between TOC and TN contents,TN and TP contents,suggested that TOC and TN,TN and TP might have the same or similar resources. And there was negative correlationship between PBCs and TOC.
- DOI：
10.13634/j.cnki.mes.2014.04.011
- Series：
- Subject：
- Classification Code：
X820.4
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