Occurrence, seasonal variation and risk assessment of antibiotics in the reservoirs in North China

•29 Selected antibiotics were found to be prevalent in four reservoirs.•Seasonal variations of most antibiotics were significant.•Antibiotics occurrence at the reservoir was related to cage culture of fish.•Alage, daphnid and fish might be at low short-term risk in the reservoir. The occurrence and...

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Bibliographic Details
Published in:Chemosphere (Oxford) 2014-09, Vol.111, p.327-335
Main Authors: Li, Nan, Zhang, Xinbo, Wu, Wei, Zhao, Xinhua
Format: Article
Language:English
Subjects:
Algae
Animal, plant and microbial ecology
Animals
Anti-Bacterial Agents - analysis
Anti-Bacterial Agents - chemistry
Anti-Bacterial Agents - isolation & purification
Antibiotic
Antibiotics
Applied ecology
Applied sciences
Biological and medical sciences
China
Chromatography, High Pressure Liquid
Continental surface waters
Drinking Water - chemistry
Ecotoxicology, biological effects of pollution
Environmental Monitoring
Exact sciences and technology
Fish
Fresh water environment
Fundamental and applied biological sciences. Psychology
Natural water pollution
Pollution
Reservoir
Reservoirs
Risk
Risk Assessment
Seasonal variation
Seasonal variations
Seasons
Solid Phase Extraction
Surface water
Tandem Mass Spectrometry
Water Pollutants, Chemical - analysis
Water Pollutants, Chemical - chemistry
Water Pollutants, Chemical - isolation & purification
Water treatment and pollution
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Summary:•29 Selected antibiotics were found to be prevalent in four reservoirs.•Seasonal variations of most antibiotics were significant.•Antibiotics occurrence at the reservoir was related to cage culture of fish.•Alage, daphnid and fish might be at low short-term risk in the reservoir. The occurrence and seasonal variability of five groups (tetracycline, quinolone, chloramphenicol, macrolide and sulfonamide) of antibiotics were investigated in the surface water of four reservoirs. The dissolved concentrations of 29 antibiotics were in the ngL−1 level. Trace levels of all target antibiotics were analyzed using solid-phase extraction followed by liquid chromatography electrospray tandem mass spectrometry. All of the antibiotics were detected at all sampling sites, indicating widespread occurrence of antibiotics in the study area. The detection of florfenicol, josamycin, kitasamycin, spiramycin and sulfameter is the first report of these compounds in reservoir samples. The results showed an association between the presence of some antibiotics at Panjiakou reservoir and cage culture of fish. Twenty-three types of antibiotics showed significant seasonal variations (p
ISSN:0045-6535
1879-1298
DOI:10.1016/j.chemosphere.2014.03.129