Abstract
Microorganisms are crucial elements of terrestrial ecosystems, which play significant roles in improving soil physicochemical properties, providing plant growth nutrients, degrading toxic and harmful chemicals, and biogeochemical cycling. Variations in the types and quantities of root exudates among different plants greatly alter soil physicochemical properties and result in variations in the diversity, structure, and function of soil microorganisms. Not much is understood about the differences of soil fungi and archaea communities for different plant communities in coastal wetlands, and their response mechanisms to environmental changes. In this study, fungal and archaea communities in soils of Suaeda salsa, Phragmites australis, and Spartina alterniflora in the intertidal habitat of coastal wetlands were selected for research. Soil fungi and archaea were analyzed for diversity, community structure, and function using high throughput ITS and 16S rRNA gene sequencing. The study revealed significant differences in fungi and archaea’s diversity and community structure in the rhizosphere soil of three plant communities. At the same time, there is no significant difference in the functional groups. SOM, TP, AP, MC, EC and SOM, TN, TP, AP, MC, EC are the primary environmental determinants affecting changes in soil fungal and archaeal communities, respectively. Variations in the diversity, community structure, and ecological functions of fungi and archaea can be used as indicators characterizing the impact of external disturbances on the soil environment, providing a theoretical foundation for the effective utilization of soil microbial resources, thereby achieving the goal of environmental protection and health promotion.
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This work was supported by the Fundamental Research Funds for Central Public Welfare Scientific Research Institutes of China (2022YSKY-41).
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All authors contributed to the study's conception and design. Material preparation, data collection and analysis were performed by XG, SW and WK. Software acquisition was performed by GL, LZ and XY. Funding acquisition was performed by WK. The first draft of the manuscript was written by XG, SW and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Gao, X., Wang, S., Kong, W. et al. Floristic changes and environmental drivers of soil fungi and archaea in different salt-tolerant plant communities in the intertidal habitat of coastal wetlands. Environ Geochem Health 46, 167 (2024). https://doi.org/10.1007/s10653-024-01951-2
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DOI: https://doi.org/10.1007/s10653-024-01951-2