频繁的脉冲干扰塑造了热带海洋微生物群落的抵抗力和弹性
Winona Wijaya1, Zahirah Suhaimi2,3, Cherlyn Xin'Er Chua4
1Asian School of the Environment, Nanyang Technological University, Singapore, Singapore.
ISME communications
|June 6, 2023
概括
柔佛海峡的微生物群落受到频繁干扰的调节,营养物质的可用性和掠食控制着种群. 这种弹性可以防止有害的藻类繁殖,除非这两种控制同时失效.
科学领域:
- 海洋微生物学 海洋微生物学
- 河口生态学 河口生态学
- 环境科学环境科学
背景情况:
- 约翰霍尔海峡道限制了水流,导致营养堆积和改变了微生物动态.
- 以前的研究表明,短期的环境变化对微生物群落的影响比季节性变化更大.
研究的目的:
- 为了研究控制内东约翰霍尔海峡微生物种群的因素.
- 了解微生物社区在受破坏的河口环境中的继承和弹性驱动因素.
主要方法:
- 在两个月的时间里,在四个地点对地表水进行了密集采样.
- 测量水质参数的测量.
- 对16S rRNA基因安普利康序列和流细胞计的分析.
主要成果:
- 微生物社区的继承稳定了,尽管频繁的脉干扰.
- 河流输入和潮流影响了营养物质的可用性 ().
- 海洋病毒和掠食性细菌充当了对微生物增殖的自上而下的控制.
结论:
- 约翰霍尔海峡的微生物群体由于复杂的相互作用而表现出较低的抗性,但具有很高的弹性.
- 有害的藻类繁殖只可能发生在底部向上和顶部向下的控制受损时.
- 了解这些动态对于河口生态系统管理至关重要.
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