Pollution assessment and sources of sediment heavy metals in the northern four-island area of yantai, china

Pengpeng Zhang, Junwei Tang, Lei Hu, Xiangming Kong,Hongbo Liu,Xiaodan Wang, Bin Zhang, Qiang He,Yanxiang Lei,Qiao Chen,Qinghai Deng,Xuewenyu Wang,Jie Cui

FRESENIUS ENVIRONMENTAL BULLETIN（2022）

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摘要

Sediment heavy metals are significant for global seafood safety and human health, and there is no research detailing the characteristics and sources of sediment heavy metals in remote island areas. Sediments in the northern four-island area of Yantai, China were sampled. Enrichment factor (EF), Geoaccumulation index (I-geo), Potential ecological risk (ER) and Risk index (RI) were used to assess the contamination. Generally, sediment Cr, Cu, Pb, Zn, Co and Hg are no or minor enrichment (EF<3), no pollution (I-geo<0) and low potential ecological risk (ER<40). Besides, 20.87% Cd and 10.43% As are moderate enrichment (3更多

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关键词

Sediment heavy metals, pollution assessment, source, remote islands, northern four-island area

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