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Microorganisms
Volume 13
Issue 8
10.3390/microorganisms13081742
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Soil Salinity Drives the Arbuscular Mycorrhizal Fungal Generalists and Specialists Subcommunity Assembly in Extremely Dryland Forest in China

by
Mengjun Qu
1,2,
Jianming Wang
1,2,*,
Yin Wang
3,
Xuge Zou
4,
Xun Lei
1,2,
Meiwen Luo
1,2,
Wenkai Wang
1,2 and
Jingwen Li
1,2,*
1
School of Ecology and Nature Conservation, Beijing Forestry University, Beijing 100083, China
2
State Key Laboratory of Efficient Production of Forest Resources, Beijing Forestry University, Beijing 100083, China
3
Hebei Collaborative Innovation Center for Eco-Environment, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
4
Henan Danjiang Wetland National Nature Reserve Management Office, Nanyang 474450, China
*
Authors to whom correspondence should be addressed.
Microorganisms 2025, 13(8), 1742; https://doi.org/10.3390/microorganisms13081742
Submission received: 26 June 2025 / Revised: 24 July 2025 / Accepted: 24 July 2025 / Published: 25 July 2025
(This article belongs to the Section Environmental Microbiology)
Versions Notes

Abstract

AM fungi play a pivotal role in regulating ecosystem functioning and processes. However, the assembly of soil AM fungal communities and its drivers across Populus euphratica forests in extremely arid regions remain largely unclear. Here, we explored the composition and assembly processes of AM fungal communities in the soil of P. euphratica forests in northwest China. The results showed that soil salinity affected the composition, assembly processes, and network stability and complexity of AM fungal communities. Stochastic processes rather than deterministic processes dominated the community assembly of AM fungi. Habitat generalists were more susceptible to deterministic processes than specialists. In addition, the network analysis showed that fungal network complexity had a hump-shaped relationship with increasing soil salinity, while network stability had a U-shaped relationship. This research suggests that soil salinity plays an essential role in determining AM fungal community composition and assembly processes in P. euphratica forests of arid regions.
Keywords: soil salinity; AM fungi; community assembly; dryland forest; ecological network soil salinity; AM fungi; community assembly; dryland forest; ecological network

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MDPI and ACS Style

Qu, M.; Wang, J.; Wang, Y.; Zou, X.; Lei, X.; Luo, M.; Wang, W.; Li, J. Soil Salinity Drives the Arbuscular Mycorrhizal Fungal Generalists and Specialists Subcommunity Assembly in Extremely Dryland Forest in China. Microorganisms 2025, 13, 1742. https://doi.org/10.3390/microorganisms13081742

AMA Style

Qu M, Wang J, Wang Y, Zou X, Lei X, Luo M, Wang W, Li J. Soil Salinity Drives the Arbuscular Mycorrhizal Fungal Generalists and Specialists Subcommunity Assembly in Extremely Dryland Forest in China. Microorganisms. 2025; 13(8):1742. https://doi.org/10.3390/microorganisms13081742

Chicago/Turabian Style

Qu, Mengjun, Jianming Wang, Yin Wang, Xuge Zou, Xun Lei, Meiwen Luo, Wenkai Wang, and Jingwen Li. 2025. "Soil Salinity Drives the Arbuscular Mycorrhizal Fungal Generalists and Specialists Subcommunity Assembly in Extremely Dryland Forest in China" Microorganisms 13, no. 8: 1742. https://doi.org/10.3390/microorganisms13081742

APA Style

Qu, M., Wang, J., Wang, Y., Zou, X., Lei, X., Luo, M., Wang, W., & Li, J. (2025). Soil Salinity Drives the Arbuscular Mycorrhizal Fungal Generalists and Specialists Subcommunity Assembly in Extremely Dryland Forest in China. Microorganisms, 13(8), 1742. https://doi.org/10.3390/microorganisms13081742

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