Trends in the occurrence and risk assessment of antibiotics in shallow lakes in the lower-middle reaches of the Yangtze River basin, China

Ecotoxicology and Environmental Safety
Li-Jun ZhouQinglong L Wu

Abstract

Antibiotics have become a global public concern because of their extensively usage and high toxicity on aquatic organisms, especially leading to the widespread of antibiotic resistance genes. The objective of this study was to evaluate the occurrence, spatial distribution and ecological risks of multi-classes commonly used human and veterinary antibiotics in both aqueous and sedimentary phases of 65 shallow lakes in the lower-middle reaches of the Yangtze River, China. In the target area, antibiotic concentrations in most of lakes (<20 ng/L in the water of 22 lakes and <20 ng/g in the sediments of 43 lakes) were generally lower than those documented in previous studies in China and other countries, and these differences were probably due to less pollutant sources, high temperatures and heavy rainfall in summer. The concentrations of antibiotics in water (>100 ng/L) or sediments (>100 ng/g) of nine lakes, such as Dianshan Lake, Ge Lake and Ce Lake, were comparable to those in rivers and lakes that were seriously polluted by urban and livestock wastewater in China. The Taihu lakes showed relatively higher antibiotic concentrations, followed by the Huaihe River lakes, Poyang lakes and Dongting lakes. The composition of antibiotics...Continue Reading

Citations

Feb 28, 2020·International Journal of Environmental Research and Public Health·Xianyu ZhangLiu Ying
Aug 14, 2020·International Journal of Environmental Research and Public Health·Zhijun ZouJialing Zhang
Aug 8, 2021·International Journal of Environmental Research and Public Health·Haiying ChenMing Lu
Aug 6, 2021·Environmental Science and Pollution Research International·Qiuxu WangXueqiang Zhu
Apr 28, 2020·Ecotoxicology and Environmental Safety·Li-Jun ZhouQinglong L Wu
Nov 28, 2021·Environmental Science and Pollution Research International·Jingrun HuWeiling Sun

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