Degradation of Fluxapyroxad in Soils and Water/Sediment Systems Under Aerobic or Anaerobic Conditions
文献类型: 外文期刊
第一作者: Liu, Xingang
作者: Liu, Xingang;Chen, Chao;Dong, Fengshou;Xu, Jun;Zheng, Yongquan
作者机构:
关键词: Fluxapyroxad;Soils;Water/sediment;Degradation
期刊名称:BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY ( 影响因子:2.151; 五年影响因子:2.129 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: The persistence and fate of fluxapyroxad were investigated including studies with four soils from Hunan (HN), Shanxi (SX), Jiangsu (JS), and Heilongjiang (HLJ) and two water/sediment systems (water/sediment systems 1 and 2) from Beijing, China. The results demonstrated that the biodegradation efficiency of fluxapyroxad in soils under aerobic conditions was higher than that observed under anaerobic conditions. The order of degradation capability was HLJ soil > JS soil > SX soil > HN soil, and fluxapyroxad dissipated faster in water/sediment system 2 than in system 1. The tested systems (four soils and two water/sediments systems) with rich organic matter content, high oxygen level and neutral pH had a high potential to degrade fluxapyroxad, possibly because rich organic matter and oxygen level stimulated microbial activity and the neutral pH was suitable for microbial growth. These results showed that fluxapyroxad exhibited high persistence in tested systems, with half-lives >= 157.6 day.
分类号: R99
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