核心类型驱动微核细胞社区稳定性深度亚热带水库在完全混合后的稳定性
Yuanyuan Xue1, Huihuang Chen1,2, Peng Xiao1
1Aquatic EcoHealth Group, Fujian Key Laboratory of Watershed Ecology, Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, China.
Environmental microbiology reports
|September 9, 2023
概括
表面水中的微核细胞在因温度变化而引起的混合干扰后迅速恢复. 然而,底部微核糖体表现出与营养循环有关的长期变化,影响水库生态系统.
科学领域:
- 水生生态学 水生生态学
- 微生物生态学 微生物生态学
- 生态系统动态生态系统动态
背景情况:
- 微核细胞是干扰期间生态系统过程变化的关键指标.
- 了解微核细胞对水混合等相互关联因素的垂直反应是必不可少的,但仍然不清楚.
研究的目的:
- 研究混合干扰对微核细胞社区结构和稳定性在分层水库中不同深度的影响.
- 为了比较微核细胞群落在地表水和地下水中的弹性和恢复机制.
主要方法:
- 在分层水库中进行了为期12个月的高频采样研究.
- 在水混合事件之前,期间和之后,分析了微核细胞社区的组成和各种深度的相互作用.
- 评估环境因素,包括水温,叶绿素a和营养度.
主要成果:
- 表面微核细胞群体表现出弹性,因温度反弹而混合后快速恢复.
- 底部微核细胞群体表现出由于温度,叶绿素a和营养素的变化而导致的组成和相互作用的长时间变化.
- 表面微生物群落在低环境波动下没有显著影响营养循环.
- 底部微核细胞群体在环境波动较高的情况下与多营养素循环指数有很强的相关性.
结论:
- 微核细胞群体对水库中的水混合干扰表现出明显的深度依赖的反应.
- 底部微核细胞在营养循环中起着重要作用,特别是在环境波动较高的条件下.
- 这些发现突出了浮游生物群体在水库深度内的不同弹性机制.
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