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  • Habitat specialisation controls ectomycorrhizal fungi above thetreeline in the European Alps [Elektronski vir]
    Arraiano-Castilho, Ricardo ...
    Alpine habitats are one of the most vulnerable ecosystems to environmental change, how-ever, little information is known about the drivers of plant-fungal interactions in these ecosys-tems and their ... resilience to climate change.We investigated the influence of the main drivers of ectomycorrhizal (EM) fungal communi-ties along elevation and environmental gradients in the alpine zone of the European Alps andmeasured their degree of specialisation using network analysis. We sampled ectomycorrhizasof Dryas octopetala, Bistorta vivipara and Salix herbacea, and soil fungal communities at 28 locations across five countries, from the treeline to the nival zone.We found that: (1) EM fungal community composition, but not richness, changes along ele-vation, (2) there is no strong evidence of host specialisation, however, EM fungal networks inthe alpine zone and within these, EM fungi associated with snowbed communities, are morespecialised than in other alpine habitats, (3) plant host population structure does not influence EM fungal communities, and (4) most variability in EM fungal communities is explained by fine-scale changes in edaphic properties, like soil pH and total nitrogen. The higher specialisation and narrower ecological niches of these plant-fungal interactionsin snowbed habitats make these habitats particularly vulnerable to environmental change inalpine ecosystems.
    Vir: The new phytologist [Elektronski vir]. - ISSN 1469-8137 (Vol. 229, iss. 5, 2021, str. 2901-2916)
    Vrsta gradiva - e-članek
    Leto - 2021
    Jezik - angleški
    COBISS.SI-ID - 41359619

    Povezava(-e):

    https://doi.org/10.1111/nph.17033
    https://nph.onlinelibrary.wiley.com/doi/10.1111/nph.17033
    DOI

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