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Fate of Atrazine and Its Relationship with Environmental Factors in Distinctly Different Lake Sediments Associated with Hydrophytes by Mengjie Qu; Guanglong Liu; Jianwei Zhao; Huidong Li; Wei Liu; Yupeng Yan; Xionghan Feng; Duanwei Zhu is a Environmental Science article available to read on EtoBox.
What is Fate of Atrazine and Its Relationship with Environmental Factors in Distinctly Different Lake Sediments Associated with Hydrophytes about?
Atrazine contamination is of great concern due to its widespread occurrence in shallow lakes. Here, the distribution and degradation of atrazine in acidic and alkaline lake systems were investigated. Meanwhile, the bacterial communities in different sediments and the effects of environmental factors on atrazine-degrading bacteria were evaluated. In the lake systems without plants, atrazine levels in sediment interstitial water reached peak concentrations on the 4th d. More than 90% of atrazine was then degraded in all sediment interstitial water by day 30. Meanwhile, the degradation rate of atrazine in alkaline sediments was faster than that in acidic sediments. Values of hydroxylated metabolites in the acidic lake sediments tended to be greater. Moreover, the amounts of Proteobacteria, Actinobacteria, Firmicute, Nitrospinae, Aminicenantes, Ignavibacteriae and Saccharibacteria in acidic Tangxunhu Lake sediments were significantly different from alkaline Honghu Lake sediments, while the amounts of Cyanobacteria and Saccharibacteria in sediments treated with atrazine were significantly greater than those in sediments without atrazine (P < 0.05). Notably, pH was the most relevant envi
Who reads Fate of Atrazine and Its Relationship with Environmental Factors in Distinctly Different Lake Sediments Associated with Hydrophytes?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Mengjie Qu; Guanglong Liu; Jianwei Zhao; Huidong Li; Wei Liu; Yupeng Yan; Xionghan Feng; Duanwei Zhu
- Publisher
- Elsevier BV
- Published
- 2019
- Language
- EN
- Field
- Environmental Science (Physical Sciences)