Mycorrhizal Symbiosis Increases Plant Phylogenetic Diversity and Regulates Community Assembly in Grasslands,Ecology Letters

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Mycorrhizal Symbiosis Increases Plant Phylogenetic Diversity and Regulates Community Assembly in Grasslands
Ecology Letters ( IF 7.6 ) Pub Date : 2024-10-02 , DOI: 10.1111/ele.14516
Entao Zhang, Yang Wang, Shiping Chen, Daowei Zhou, Zhouping Shangguan, Jianhui Huang, Jin‐Sheng He, Yanfen Wang, Jiandong Sheng, Lisong Tang, Xinrong Li, Ming Dong, Yan Wu, Shuijin Hu, Yongfei Bai

The intricate mechanisms controlling plant diversity and community composition are cornerstone of ecological understanding. Yet, the role of mycorrhizal symbiosis in influencing community composition has often been underestimated. Here, we use extensive species survey data from 1315 grassland sites in China to elucidate the influence of mycorrhizal symbiosis on plant phylogenetic diversity and community assembly. We show that increasing mycorrhizal symbiotic potential leads to greater phylogenetic dispersion within plant communities. Mycorrhizal species predominantly influence deterministic processes, suggesting a role in niche‐based community assembly. Conversely, non‐mycorrhizal species exert a stronger influence on stochastic processes, highlighting the importance of random events in shaping community structure. These results underscore the crucial but often hidden role of mycorrhizal symbiosis in driving plant community diversity and assembly. This study provides valuable insights into the mechanisms shaping ecological communities and the way for more informed conservation that acknowledges the complex interplay between symbiosis and community dynamics.

更新日期：2024-10-02

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