中国北部最大的浅湿地湖中的抗生素:发生情况,生物积累,生态风险和指标选
Kai Deng1, Lining Zhao1, Meiyu Li1
1College of Life Sciences, Hebei University, Baoding 071002, China; Hebei Basic Science Center for Biotic Interaction, Hebei University, Baoding 071002, China.
Journal of environmental sciences (China)
|September 26, 2025
概括
白阳湖存在抗生素污染,诺在水生生物中生物积累. 一些抗生素具有很高的生态风险,需要针对性监测以控制污染.
科学领域:
- 环境化学环境化学
- 生态毒理学 生态毒理学
- 水生生态学 水生生态学
背景情况:
- 由于人类和动物广泛使用,抗生素在水生环境中普遍存在.
- 有限的研究存在于抗生素的发生和生物积累在浅湿地湖泊.
研究的目的:
- 调查白阳湖十种抗生素的发生和生物积累.
- 评估这些抗生素带来的生态风险.
- 确定监测和控制的关键指标抗生素.
主要方法:
- 分析了白阳湖的地表水和沉积物样本.
- 使用分析技术量化了十种常见的抗生素.
- 在水生生物体 (Carassius auratus,Phragmites australis) 中评估生物积累.
- 进行了生态风险评估.
主要成果:
- 硫胺和诺基诺占地表水的占主导地位;诺基诺和宏类在沉积物中普遍存在.
- 诺基诺在水生植物和动物中显示出显著的生物积累潜力.
- 与可溶性 (Carassius auratus) 和分割系数/分子量 (Phragmites australis) 相相关的生物积累因子.
- 四种抗生素 (clarithromycin,sulfamethoxazole,norfloxacin,ciprofloxacin) 在特定的区域构成高生态风险.
结论:
- 诺夫洛克萨,西普罗洛克萨和罗克西胺是白阳湖的关键指标抗生素.
- 这些发现提高了对抗生素污染,生物积累和生态风险的理解.
- 支持对湿地生态系统中抗生素污染的有针对性的监测和监管.
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