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题名: Occurrence and ecological hazard assessment of selected antibiotics in the surface waters in and around Lake Honghu, China
作者: Wang, Zhi1; Du, Yun1; Yang, Chao1; Liu, Xi1; Zhang, Junqian2; Li, Enhua1; Zhang, Qing1; Wang, Xuelei1
关键词: Tetracycline ; Pharmaceuticals ; Pollution ; Aquaculture ; Hazard evaluation
刊名: SCIENCE OF THE TOTAL ENVIRONMENT
发表日期: 2017-12-31
DOI: 10.1016/j.scitotenv.2017.08.009
卷: 609, 页:1423-1432
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
英文摘要: The occurrence and temporal-spatial distributions of 13 antibiotics (tetracyclines, sulfonamides, and fluoroquinolones) in the water of a high-intensity aquaculture lake, Honghu Lake, and its associated river network and ponds were investigated. Tetracycline, oxytetracycline, chlortetracycline, and sulfadiazine are the four dominant antibiotics in this region, with maximum and median concentrations of 1454.8 and 304.8 ng/L, 2796.6 and 161.9 ng/L, 1431.3 and 349.9 ng/L, and 499.5 and 106.5 ng/L, respectively. The median concentrations of the other nine antibiotics are lower than 57.1 ng/L. The highest contaminated sites are located in the Four-lake main canal and its lake inlets. Antibiotic concentrations were higher in November than in May and the concentrations were strongly correlated with water temperature, dissolved oxygen, and nitrates according to redundancy analysis. The source analysis indicated that besides untreated domestic and husbandry sewage, the aquaculture in the lake and ponds is a main source of antibiotics in the study region. The environmental hazards posed by the selected antibiotics were assessed by using the methods of hazard quotient and mixture hazard quotient. The results suggested that tetracycline, oxytetracycline, sulfadiazine, and ciprofloxacin pose medium to high ecological hazard to algae in almost all of the water samples, and the high combination ecological hazards of antibiotics are mainly posed by the high individual hazard quotient of tetracycline in the study area. (C) 2017 Elsevier B.V. All rights reserved.
关键词[WOS]: PERFORMANCE LIQUID-CHROMATOGRAPHY ; PHARMACEUTICALLY ACTIVE COMPOUNDS ; ENVIRONMENTAL RISK-ASSESSMENT ; PERSONAL CARE PRODUCTS ; RESISTANCE GENES ; VETERINARY ANTIBIOTICS ; WASTE-WATER ; ANTIMICROBIAL RESISTANCE ; AQUATIC ENVIRONMENT ; SEASONAL-VARIATION
语种: 英语
项目资助者: Key Project of Hubei Province Natural Science Foundation(2015CFA132) ; National Natural Science Foundation of China(41601545 ; Hubei Chenguang Talented Youth Development Foundation ; Innovative Program of Institute of Geodesy and Geophysics, CAS ; 41371513)
WOS记录号: WOS:000410352900146
ISSN号: 0048-9697
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/35067
Appears in Collections:水生生物多样性与资源保护研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Geodesy & Geophys, Key Lab Environm & Disaster Monitoring & Evaluat, Wuhan 430077, Hubei, Peoples R China
2.Chinese Acad Sci, Key Lab Aquat Biodivers & Conservat, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
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