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Occurrence, distribution and risk assessment of antibiotics at various aquaculture stages in typical aquaculture areas surrounding the Yellow Sea

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Journal of Environmental Sciences 2023年第4期126卷 621-632页

作者： Jiachao Zhang Xuanrui Zhang Yang Zhou Qianfan Han Xiaoli Wang Chao Song Shuguang Wang Shan Zhao Shandong Key Laboratory of Water Pollution Control and Resource Reuse School of Environmental Science and EngineeringShandong UniversityQingdao 266237China Water Science and Environmental Engineering Research Center College of Chemical and Environmental EngineeringShenzhen UniversityShenzhen 518060China Qingdao Municipal Bureau of Ecology and Environment Qingdao 266003China Analysis and Test Center Qilu University of Technology(Shandong Academy of Sciences)Jinan 250014China

The pollution of antibiotics commonly existed throughout the entire aquaculture process,but the residues of antibiotics at different aquaculture stages have rarely been *** study investigated the occurrence,distribution and risk assessment of antibiotics at different aquaculture stages (the non-aquaculture stage,the early aquaculture stage,the middle aquaculture stage,and the late aquaculture stage) in two typical marine aquaculture areas(Mahegang River and Dingzi Bay) surrounding the Yellow *** and tetracyclines were commonly used antibiotics in the aquaculture of these areas with high detection frequencies (17%to 83%).Compared among four aquaculture stages,the highest concentration of antibiotics (9032.08 ng/L) in aquaculture ponds was detected at the late aquaculture *** the antibiotic pollution level of natural water was directly related to the aquaculture ***,at the aquaculture stages,the detection frequency of antibiotics in sediments was higher than that at the non-aquaculture *** on the correlation analysis,the concentration of main antibiotics in water showed a positive correlation with total nitrogen (paquaculture stages,the selection pressure of fluoroquinolones and tetracyclines on resistant bacteria had *** the ecological risks caused by sulfonamides and tetracyclines to aquatic organisms had also increased ***,this study may provide a reference for formulating regulatory policies regarding antibiotic use at different aquaculture stages.

关键词： Antibiotics aquaculture stages Correlation analysis Risk assessment

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