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Seasonal variations of heavy metals in seawater and integrated poly-cultured scallop Chlamys farreri in Ailian Bay, northern China

文献类型： 外文期刊

作者： Zhao, Yanfang 1 ; Wu, Jifa 2 ; Kang, Xuming 1 ; Peng, Jixing 1 ; Ding, Haiyan 1 ; Ning, Jinsong 1 ; Sheng, Xiaofeng 1 ; Tan, Zhijun 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao 266071, Peoples R China

2.Qingdao Yihaifeng Aquat Prod Co Ltd, Qingdao 266414, Peoples R China

3.Pilot Natl Lab Marine Sci & Technol Qingdao, Qingdao 266071, Peoples R China

关键词： Scallops; Heavy metals; Seasonal variation; Ailian Bay; Health risk

期刊名称：MARINE POLLUTION BULLETIN （ 影响因子：7.001； 五年影响因子：7.301 ）

ISSN： 0025-326X

年卷期： 2023 年 186 卷

页码：

收录情况： SCI

摘要： Seasonal variations of heavy metals in integrated poly-cultured scallops and seawater from Ailian Bay, northern China were analyzed to reveal the potential factor in bioaccumulation of metals in scallop Chlamys farreri. Results showed that heavy metals (Cu, Zn, As, Cd, Cr, Pb and Hg) in seawater were much below the maximum permissible limits and showed no seasonal changes, but were consistent with the growing period of the poly-cultivated kelp. The content of Zn in scallop tissues was highest with an average value of 88.35 +/- 11.50 mg/ kg, and Hg content was lowest (0.046 +/- 0.025 mg/kg). The accumulation of Cu, As, Cd and Hg in scallops presented a significant seasonal change, and they were closely correlated with the physicochemical quality instead of heavy metals in seawater. Cadmium provided 88.9 % of the total hazard index for adults and 72.2 % for children. Arsenic should also be paid more attention in the risk assessment of human health.

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