Environmental modulation of plant mycorrhizal traits in the global flora

Author:

Meng Yiming1ORCID,Davison John1ORCID,Clarke John T.2345ORCID,Zobel Martin1ORCID,Gerz Maret1ORCID,Moora Mari1ORCID,Öpik Maarja1ORCID,Bueno C. Guillermo16ORCID

Affiliation:

1. Institute of Ecology and Earth Sciences, University of Tartu Tartu Estonia

2. GeoBio‐Center Ludwig‐Maximilians‐Universität München Munich Germany

3. Department of Earth and Environmental Sciences, Paleontology & Geobiology Ludwig‐Maximilians‐Universität München Munich Germany

4. Department of Ecology and Biogeography Nicolaus Copernicus University in Toruń Toruń Poland

5. Department of Zoology, Institute of Ecology and Earth Sciences University of Tartu Tartu Estonia

6. Pyrenean Institute of Ecology, IPE‐CSIC Jaca Spain

Abstract

AbstractMycorrhizal symbioses are known to strongly influence plant performance, structure plant communities and shape ecosystem dynamics. Plant mycorrhizal traits, such as those characterising mycorrhizal type (arbuscular (AM), ecto‐, ericoid or orchid mycorrhiza) and status (obligately (OM), facultatively (FM) or non‐mycorrhizal) offer valuable insight into plant belowground functionality. Here, we compile available plant mycorrhizal trait information and global occurrence data (100 million records) for 11,770 vascular plant species. Using a plant phylogenetic mega‐tree and high‐resolution climatic and edaphic data layers, we assess phylogenetic and environmental correlates of plant mycorrhizal traits. We find that plant mycorrhizal type is more phylogenetically conserved than plant mycorrhizal status, while environmental variables (both climatic and edaphic; notably soil texture) explain more variation in mycorrhizal status, especially FM. The previously underestimated role of environmental conditions has far‐reaching implications for our understanding of ecosystem functioning under changing climatic and soil conditions.

Funder

Eesti Teadusagentuur

European Regional Development Fund

HORIZON EUROPE Framework Programme

Narodowa Agencja Wymiany Akademickiej

Publisher

Wiley

Subject

Ecology, Evolution, Behavior and Systematics

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