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Rare earth elements in different trophic level marine wild fish species

文献类型： 外文期刊

作者： Wang, Xu-Nuo 1 ; Gu, Yang-Guang 1 ; Wang, Zeng-Huan 1 ;

作者机构： 1.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Guangzhou 510300, Peoples R China

2.Key Lab Fishery Ecol & Environm, Guangzhou 510300, Guangdong, Peoples R China

3.Minist Agr & Rural Affairs, Key Lab Open Sea Fishery Dev, Guangzhou 510300, Peoples R China

4.Minist Agr & Rural Affairs, Key Lab Aquat Prod Proc, 213 Huadu Ave East, Guangzhou 510800, Peoples R China

关键词： Rare earth elements; Marine fish; Human health; South China Sea

期刊名称：ENVIRONMENTAL POLLUTION （ 影响因子：9.988； 五年影响因子：10.366 ）

ISSN： 0269-7491

年卷期： 2022 年 292 卷

页码：

收录情况： SCI

摘要： The presence of rare earth elements (REEs) in different trophic levels of wild fish species remains unknown. In this study, fish characteristics and distribution patterns of REEs at different trophic levels of wild fish species are studied for the first time. The northern coastal region of the South China Sea was selected as it has the highest fishing intensity in China. The concentrations of 15 REEs were measured in 14 marine wild fish species from this area. The total concentrations of REEs (sigma REEs) ranged from 1.02 to 178.55 mu g/kg (wet weight). The average ratio of light REE (LREE) to heavy REE (HREE) was 13.04, indicating that the n-ary sumation REEs content was dominated by LREE. The distribution patterns demonstrated significant bioaccumulation of LREEs. The REE patterns of most of the fish species showed Ce, Gd, Tb, and Dy anomalies. Based on the estimated daily intake (EDI) levels, the consumption of these fish species poses a negligible risk to consumer health.

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