Pollution Characteristics and Health Risk Assessment of Halogenated Organic Pollutants (HOPs) in Fish from the Laibin Section of Hongshui River, China

IF 0.7 4区 农林科学 Q4 FISHERIES
Mingsi Li, Zhiqiang Wu, Liangliang Huang, Minghui Gao, Jiayang He, Jie Feng, Yifei Wang
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Abstract

This study used gas chromatograph-mass spectrometer (GC-MS) to determine three kinds of halogenated organic pollutants (HOPs) in the edible muscles of nine fish species in the Laibin section of the Hongshui River of Xijiang River in the Pearl River system. The results showed that the sum of organochlorine pesticides (OCPs), polychlorinated biphenyls (PCBs), and polybrominated diphenyl ethers (PBDEs) in fish muscle was 8.94∼43.32 ng/g ww, 1.22∼4.09 ng/g ww, and ND∼0.13 ng/g ww, respectively. Evaluation indicators include analysis of the composition of homologous compounds, residues in different diets and habitats, and estimated daily intake (EDI) calculations. The analysis of the composition characteristics of homologous compounds showed that endrin was the most dominant in OCPs; hexachlorobenzene was the most dominant in PCBs; and BDE 154 was the most dominant PBDEs. Calculations of the levels of the HOPs in fish of different diets and habitats showed that OCPs and PCBs had the highest residues in carnivorous fish, and PBDEs had the highest residues in herbivorous fish. The residual OCPs, PCBs, and PBDEs in demersal fishes were the most. The estimated daily intake (EDI) results showed that daily fish consumption in the Laibin section of the Hongshui River would not cause HOPs health risks to the local residents. However, there is still a need for continuous monitoring of HOPs to reduce pollutant emissions and prevent pollution conditions from arising.
红水河来滨段鱼类中卤代有机污染物污染特征及健康风险评价
本研究采用气相色谱-质谱联用技术(GC-MS)对珠江水系西江红水河来滨河段9种鱼类食用肌肉中3种卤化有机污染物(HOPs)进行了测定。结果表明,鱼类肌肉中有机氯农药(OCPs)、多氯联苯(PCBs)和多溴联苯醚(PBDEs)的总量分别为8.94 ~ 43.32 ng/g ww、1.22 ~ 4.09 ng/g ww和ND ~ 0.13 ng/g ww。评价指标包括分析同源化合物的组成、在不同饮食和生境中的残留以及估计每日摄入量(EDI)的计算。同源化合物的组成特征分析表明,在OCPs中endrin是最主要的;多氯联苯中以六氯苯居多;bde154是最主要的多溴二苯醚。通过对不同饵料和生境鱼类中啤酒花残留量的计算,发现肉食性鱼类中有机磷和多氯联苯残留量最高,草食性鱼类中多溴联苯残留量最高。在底栖鱼类中,OCPs、PCBs和PBDEs的残留量最多。估算日摄取量(EDI)结果表明,红水河来滨河段每日食用鱼类不会对当地居民造成hop健康风险。然而,仍需要持续监测水草,以减少污染物排放和防止产生污染情况。
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来源期刊
Journal of Applied Ichthyology
Journal of Applied Ichthyology 生物-海洋与淡水生物学
CiteScore
2.30
自引率
11.10%
发文量
73
审稿时长
3-8 weeks
期刊介绍: The Journal of Applied Ichthyology publishes articles of international repute on ichthyology, aquaculture, and marine fisheries; ichthyopathology and ichthyoimmunology; environmental toxicology using fishes as test organisms; basic research on fishery management; and aspects of integrated coastal zone management in relation to fisheries and aquaculture. Emphasis is placed on the application of scientific research findings, while special consideration is given to ichthyological problems occurring in developing countries. Article formats include original articles, review articles, short communications and technical reports.
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