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土地利用变化改变了微生物的功能基因多样性及其与土壤生态系统多功能性之间的关系在亚热带河口的亚热带河口

Zi-Kai Liu¹, Lige Zhang¹, Shengsheng Jin¹

¹Key Laboratory of Humid Subtropical Eco-Geographical Process of Ministry of Education, Fujian Normal University, Fuzhou, China.

Frontiers in microbiology

|June 18, 2025

概括

沿海湿地的土地使用变化改变了对生态系统多功能性 (EMF) 至关重要的微生物基因. 土壤的电导率显著影响这些基因和EMF的影响,突出显示了湿地管理中微生物洞察力的需要.

科学领域:

环境微生物学环境微生物学
土壤科学土壤科学
生态系统生态学的生态学.

背景情况:

沿海湿地的土地利用变化影响了微生物群落和土壤生态系统多功能性 (EMF).
了解微生物功能基因与土壤EMF在不同土地用途之间的联系至关重要.
沿海湿地是重要的生态系统,需要有效的管理策略.

研究的目的:

研究微生物功能基因 (C,N,P,S循环) 和它们与土壤EMF的关系.
分析沿海湿地的不同土地用途如何影响微生物基因组成和土壤EMF.
确定环境因素,如土壤电导率 (EC) 在塑造这些关系中的作用.

主要方法:

利用高通量定量PCR来评估微生物功能基因丰度和社区结构.
研究了五种不同的土地用途:湿地,潮平地,草原,农业用地和地.
采用随机森林分析来确定关键的环境驱动因素和关系.

主要成果:

微生物功能基因组成在研究的土地利用中有很大差异.
土壤电导率 (EC) 是微生物功能基因转移的主要驱动因素.
土壤EMF显示出U形的趋势,功能基因丰富度与EMF直接相关.

结论:

土壤EC在调节微生物功能基因与土壤EMF之间的关系方面发挥着至关重要的作用.
这些发现强调了微生物功能基因在理解沿海湿地土壤EMF变异方面的重要性.
整合微生物功能对于有效的沿海湿地管理和保护至关重要.

关键词:

沿海湿地沿海湿地生态系统的多功能性土地使用情况土地使用情况微生物的功能基因.盐度盐度盐度盐度盐度

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