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The Bioaccumulation and Health Risk Assessment of Metals among Two Most Consumed Species of Angling Fish ( Cyprinus carpio and Pseudohemiculter dispar ) in Liuzhou (China): Winter Should Be Treated as a Suitable Season for Fish Angling

Author

Listed:
  • Yupei Hao

    (Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Science, Yunnan University, Kunming 650500, China
    Key Laboratory of Karst Dynamics, MNR&GZAR, Institute of Krast Geology, Chinese Academy of Geological Sciences (CAGS), Guilin 541004, China)

  • Xiongyi Miao

    (Key Laboratory of Karst Dynamics, MNR&GZAR, Institute of Krast Geology, Chinese Academy of Geological Sciences (CAGS), Guilin 541004, China
    Henan Xinweijie Technology Co., Ltd., Zhengzhou 450000, China)

  • Mian Song

    (Center for Hydrogeology and Environmental Geology, CGS, Baoding 071051, China)

  • Hucai Zhang

    (Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Science, Yunnan University, Kunming 650500, China)

Abstract

Wild fish caught by anglers were validated to be commonly polluted by metals, but their contamination status could be varied with changing seasons. To determine the seasonal variation in metal pollution and health risks in these fish, this study took Liuzhou City as an example to investigate the concentrations of eight metals in two dominant angling fishes ( Cyprinus carpio and Pseudohemiculter dispar ) collected, respectively, in winter and summer. The obtained results suggested the mean concentrations of metals in fish are overall lower in winter. Only Cr, Zn, and Cd in some fish were beyond the thresholds in summer. The significant correlations between fish length and weight and most metals suggested the biological dilution effect could exert its influence in winter. The similar distribution of metals in winter suggested that metal bioaccumulation should be manipulated by living habitats, while the inconsistent distribution of metals in summer may be related to the variation in feeding behavior. The metal pollution index (Pi) values were all below 0.2 in winter, which suggested no metal contamination in fish, but most fish were found to be mostly contaminated by Cr and Cd in summer, which was confirmed by their Pi > 0.2. The fish could be consumed freely in winter due to the total target hazard quotient (TTHQ) below 1, while the consumption of fish was not entirely safe in summer, particularly for children, due to TTHQ values that were generally beyond 1. Given the higher weekly recommended consumption of fish in winter, winter should be treated as a suitable season for fish angling.

Suggested Citation

  • Yupei Hao & Xiongyi Miao & Mian Song & Hucai Zhang, 2022. "The Bioaccumulation and Health Risk Assessment of Metals among Two Most Consumed Species of Angling Fish ( Cyprinus carpio and Pseudohemiculter dispar ) in Liuzhou (China): Winter Should Be Treated as," IJERPH, MDPI, vol. 19(3), pages 1-15, January.
  • Handle: RePEc:gam:jijerp:v:19:y:2022:i:3:p:1519-:d:737479
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    References listed on IDEAS

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    1. Yupei Hao & Xiongyi Miao & Hongwei Liu & Dan Miao, 2021. "The Variation of Heavy Metals Bioavailability in Sediments of Liujiang River Basin, SW China Associated to Their Speciations and Environmental Fluctuations, a Field Study in Typical Karstic River," IJERPH, MDPI, vol. 18(8), pages 1-15, April.
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    Cited by:

    1. Xiongyi Miao & Jianping Liang & Yupei Hao & Wanjun Zhang & Yincai Xie & Hucai Zhang, 2022. "The Influence of the Reduction in Clay Sediments in the Level of Metals Bioavailability—An Investigation in Liujiang River Basin after Wet Season," IJERPH, MDPI, vol. 19(22), pages 1-16, November.

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    1. Xiongyi Miao & Jianping Liang & Yupei Hao & Wanjun Zhang & Yincai Xie & Hucai Zhang, 2022. "The Influence of the Reduction in Clay Sediments in the Level of Metals Bioavailability—An Investigation in Liujiang River Basin after Wet Season," IJERPH, MDPI, vol. 19(22), pages 1-16, November.
    2. Xiongyi Miao & Mian Song & Gaohai Xu & Yupei Hao & Hucai Zhang, 2022. "The Accumulation and Transformation of Heavy Metals in Sediments of Liujiang River Basin in Southern China and Their Threatening on Water Security," IJERPH, MDPI, vol. 19(3), pages 1-16, January.

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