Occurrence and ecological risk of typical antibiotics in surface water of the Lake Sayram, Xinjiang

被引：1

作者：

Zhang Y. ^{[1
,2
]}

Zhang G. ^{[2
]}

Wang Y. ^{[2
]}

Liu X. ^{[2
]}

Bi B. ^{[2
]}

Liu X. ^{[2
]}

Lu S. ^{[2
]}

机构：

[1] School of Ocean and Environment, Tianjin University of Science and Technology, Tianjin

[2] National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, State Key Laboratory of Environmental Criteria Risk Assessment, State Environmental Protection Scientific Observation and Research Station for Lake Dongtinghu (SEPSORSLD

来源：

Hupo Kexue/Journal of Lake Sciences | 2021年 / 33卷 / 02期

关键词：

Antibiotics; Ecological risk; Lake Sayram; Occurrence characteristics;

D O I：

10.18307/2021.0214

中图分类号：

学科分类号：

摘要：

Occurrence characteristic of antibiotics in the surface water of Lake Sayram in Xinjiang were analyzed by ultra-high-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). Ofloxacin and sulfamethoxazole were the main antibiotic pollutants in Lake Sayram. The highest concentrations of ofloxacin and sulfamethoxazole were 2.7×104 ng/L and 1.8×103 ng/L, respectively, followed by erythromycin (71.7 ng/L) and oxytetracycline (15.9 ng/L). Others were less than 10.0 ng/L. The antibiotic concentration of Lake Sayram, except for sulfamethoxazole and ofloxacin, were basically at a medium or low level compared with most surface water. Due to human activities and hydraulic flow or other factors, the concentration of antibiotics in summer was 2-4 orders of magnitude lower than that in spring, and the total concentration of antibiotics in aquaculture area (S1 site) was higher than that in other points. The risk assessment showed that erythromycin, ofloxacin and sulfamethoxazole had a high risk to the ecological environment of the lake in spring(RQ>1). © 2021 by Journal of Lake Sciences.

引用

页码：483 / 493

页数：10

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