在不同热带条件下的湖泊沉积物中,微生物相互作用模式和循环规律
Ziwei Wang1, Xiaohong Ruan1, Rongfu Li1
1Department of Hydrosciences, School of Earth Sciences and Engineering, Nanjing University, Nanjing 210023, China; MOE Key Laboratory of Surficial Geochemistry, Nanjing University, Nanjing 210023, China.
The Science of the total environment
|October 20, 2023
概括
湖泊沉积物中的微生物相互作用因营养水平而异,影响循环. 碳,硫和铁循环显著地影响了在环保和半环保环境中的去除过程.
科学领域:
- 环境微生物学 环境微生物学
- 生物地质化学生物地质化学
- 生态生态学 生态生态学
背景情况:
- 循环 (N) 的微生物群落是了解湖泊生物地球化学过程的关键.
- 幼化显著改变了水体沉积物中的微生物相互作用和营养循环.
- 研究这些相互作用对于管理湖泊中积累至关重要.
研究的目的:
- 为了探索微生物相互作用在循环在湖泊沉积物在不同的热带条件.
- 为了确定生物元素对循环机制的影响.
- 为了阐明微生物网络如何在缩性和中缩性湖泊区域之间存在差异.
主要方法:
- 在不同热带状态和季节 (2015-2017年) 中从太湖取取沉积物样本.
- 高通量测序用于分析微生物社区结构.
- 分子生态网络分析,绘制微生物相互作用和功能角色的地图.
主要成果:
- 在具有不同热量条件的湖区之间观察到不同的微生物网络结构.
- 更多的环保地区显示出更高的转移效率,增加了竞争,并减少了利基差异化.
- 碳 (C),硫 (S) 和铁 (Fe) 循环强烈影响了循环,影响了N的去除和固定过程.
结论:
- 湖泊沉积物中的微生物群落结构和功能在很大程度上取决于热带状态.
- N循环微生物与其他生态化学循环 (C,S,Fe) 之间的相互作用对于调节湖泊中命运至关重要.
- 了解这些复杂的相互作用对于预测和管理水生生态系统中动态至关重要.
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