Estimating Sources, Fluxes, and Ecological Risks of Antibiotics in the Wuhan Section of the Yangtze River, China: A Year‐Long Investigation

Yulin Chen; Yang Tan; Yile WangYongfei MaPing LiZhenjie DuLie YangLi WuSong CuiYongzhen DingXuebin QiZulin Zhang

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Estimating Sources, Fluxes, and Ecological Risks of Antibiotics in the Wuhan Section of the Yangtze River, China: A Year‐Long Investigation

机译：Estimating Sources, Fluxes, and Ecological Risks of Antibiotics in the Wuhan Section of the Yangtze River, China: A Year‐Long Investigation

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To our knowledge, ours is the first study to investigate the annual fluxes, environmental fate, and ecological risks offive categories of antibiotics from the Wuhan section of the Yangtze River (China). All the 24 antibiotics we tested for weredetected in water, with total concentrations of 17.11–867.2 ng/L (mean: 63.69 ng/L), and 19 antibiotics were detected insediment, at 0.02–287.7 ng/g (mean: 16.54 ng/g). Sulfonamides, amphenicols, and macrolides were the three most prominentantibiotic classes in water, and fluoroquinolones were the most prominent in sediment. Farming activities (animalhusbandry and aquaculture) are proposed as the largest contributors to antibiotic pollution in the Wuhan section of theYangtze River according to the Unmix model, followed by municipal wastewater and mixed sources. Higher pollution levelswere observed downstream (combined discharge of these sources). Monthly monitoring data (12 months) were used toestimate antibiotic annual fluxes, with 101.5 t (uncertainty: 5.6) in the Wuhan section of the Yangtze River. Risk assessmentsshowed that erythromycin, clarithromycin, and azithromycin posed medium and high ecological risks and were found in9–35 and 1.8–3.7 of all water samples, respectively; enrofloxacin, clarithromycin, azithromycin, florfenicol, andthiamphenicol posed medium resistance risks in 1.9–16.7 of waters in the Wuhan section of the Yangtze River. Our resultshave filled data gaps on antibiotic sources, annual fluxes, and resistance risk in the Wuhan section of the Yangtze River anddemonstrated the importance of further management of antibiotic use in the studied areas.

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来源
《Environmental toxicology and chemistry /》 |2023年第3期|605-619|共15页
作者
Yulin Chen; Yang Tan; Yile WangYongfei MaPing LiZhenjie DuLie YangLi WuSong CuiYongzhen DingXuebin QiZulin Zhang;
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作者单位

Hubei Key Laboratory of Mineral Resources Processing and Environment, School of Resources and Environmental Engineering, Wuhan University of Technology,Wuhan, China;

Farmland Irrigation Research Institute, Chinese Academy of Agricultural Sciences, Xinxiang, China;

School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin, ChinaAgro‐Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, ChinaHubei Key Laboratory of Mineral Resources Processing and Environment, School of Resources and Environmental Engineering, Wuhan University of Technology,Wuhan, China The James Hutton Institute, Aberdeen, UK;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
中图分类
关键词
Emerging contaminants; risk assessment; fate; spatiotemporal changes; mass loads;

Estimating Sources, Fluxes, and Ecological Risks of Antibiotics in the Wuhan Section of the Yangtze River, China: A Year‐Long Investigation

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