与船只活动相关的环境异质性塑造了细菌和微核细胞群体,其反应模式不一致
MingFei Jing1, Wen Yang1, Xiuying Ding2
1School of Marine Science, Ningbo University, Ningbo 315800, China.
The Science of the total environment
|September 10, 2023
概括
旅游船活动显著改变水生微生物群落. 虽然环境因素是主要的驱动因素,但船只活动会影响微生物的结构和功能,细菌和微核细胞之间有不同的反应.
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
- 环境科学 环境科学
背景情况:
- 全球旅游业增加了水生生态系统的人为干扰.
- 旅游船对水生生态系统的结构和功能产生影响.
- 了解这些影响对于生态系统管理至关重要.
研究的目的:
- 研究不同游客船活动强度对西湖微生物群落的影响.
- 分析环境因素和船只活动在塑造微生物组成中的作用.
- 比较细菌浮游生物和微核细胞群落对干扰的反应.
主要方法:
- 高通量测序用于分析微生物社区组成.
- 变化分区,以确定环境因素和船只活动的贡献.
- 同时发生的网络分析,以评估微生物社区的结构和稳定性.
主要成果:
- 在高强度船活动 (HIBA) 和低强度船活动 (LIBA) 区域之间观察到细菌浮游生物和微核生物群落的显著差异.
- 环境因素是微生物变异的主要驱动因素,船只活动与这些因素一起起作用.
- 在HIBA地区的微生物网络表现出更高的复杂性和稳定性,细菌和微核细胞群体之间的反应模式不同.
结论:
- 船上活动,加上环境因素,显著改变水生微生物群落.
- 细菌浮游生物群落受到环境因素的强烈影响,而微核细胞则更多地受到跨物种相互作用的调节.
- 微核细胞可能比细菌浮游生物对船只活动干扰的直接抵抗力更大,突出了社区对人类影响的独特反应.
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