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温度相位转移决定了气候压力下废水处理厂中的微生物群落继承和聚集模式
1National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China.
Bioresource technology
|November 29, 2025
概括
季节性温度变化,而不是极端变化,驱动了废水处理厂 (WWTP) 中微生物社区的转移. 变暖阶段特别引发微生物重组,为植物管理提供了洞察力.
科学领域:
- 环境微生物学环境微生物学
- 废水处理工程 废水处理工程
- 生态动力学 生态动力学
背景情况:
- 季节性温度波动定期破坏废水处理厂 (WWTP) 中的微生物群落.
- 控制这些微生物群落季节性聚集的精确机制在很大程度上是未知的.
- 了解这些动态对于保持高效的废水处理过程至关重要.
研究的目的:
- 调查微生物社区继承和组装的主要驱动因素,在一年的时间内进行全面的WWTP.
- 为了确定温度变化或温度极端是否对微生物社区结构有更大的影响.
- 阐明温度动态在微生物群落重组和对其他环境因素的反应中的作用.
主要方法:
- 一个完整的废水处理厂的纵向监测,持续了十二个月.
- 分析微生物群落结构和不同温度阶段 (升温,降温,稳定热,稳定冷) 的共发生网络.
- 在不同温度过渡期内确定性选择压力的量化.
主要成果:
- 微生物社区结构和共发生网络与温度阶段有显著的变化.
- 网络复杂性在温度转移阶段 (升温/降温) 降低,在温度稳定阶段 (热/冷) 稳定.
- 特别是在变暖阶段,决定性选择增加了25.5%,突出显示了它在微生物重组中的作用.
结论:
- 温度变化过程,特别是变暖,是微生物社区继承和WWTP中的决定性组合的关键驱动因素.
- 温度相位变化会影响微生物群落对其他环境因素的反应.
- 这项研究为优化季节性环境压力下WWTP管理策略提供了关键温度阶段特定的见解.
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