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    Drivers and implications of distance decay differ for ectomycorrhizal and foliar endophytic fungi across an anciently fragmented landscape

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    Author
    Bowman, Elizabeth A.
    Arnold, A. Elizabeth
    Affiliation
    School of Plant Sciences, The University of Arizona
    Department of Ecology and Evolutionary Biology, The University of Arizona
    Issue Date
    2021-06-07
    
    Metadata
    Show full item record
    Publisher
    Springer Nature
    Citation
    Bowman, E. A., & Arnold, A. E. (2021). Drivers and implications of distance decay differ for ectomycorrhizal and foliar endophytic fungi across an anciently fragmented landscape. ISME Journal.
    Journal
    The ISME journal
    Rights
    © The Author(s), under exclusive licence to International Society for Microbial Ecology 2021.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    Fungal communities associated with plants often decrease in similarity as the distance between sampling sites increases (i.e., they demonstrate distance decay). In the southwestern USA, forests occur in highlands separated from one another by warmer, drier biomes with plant and fungal communities that differ from those at higher elevations. These disjunct forests are broadly similar in climate to one another, offering an opportunity to examine drivers of distance decay in plant-associated fungi across multiple ecologically similar yet geographically disparate landscapes. We examined ectomycorrhizal and foliar endophytic fungi associated with a dominant forest tree (Pinus ponderosa) in forests across ca. 550 km of geographic distance from northwestern to southeastern Arizona (USA). Both guilds of fungi showed distance decay, but drivers differed for each: ectomycorrhizal fungi are constrained primarily by dispersal limitation, whereas foliar endophytes are constrained by specific environmental conditions. Most ectomycorrhizal fungi were found in only a single forested area, as were many endophytic fungi. Such regional-scale perspectives are needed for baseline estimates of fungal diversity associated with forest trees at a landscape scale, with attention to the sensitivity of different guilds of fungal symbionts to decreasing areas of suitable habitat, increasing disturbance, and related impacts of climate change.
    Note
    6 month embargo; published: 07 June 2021
    EISSN
    1751-7370
    PubMed ID
    34099878
    DOI
    10.1038/s41396-021-01006-9
    Version
    Final accepted manuscript
    ae974a485f413a2113503eed53cd6c53
    10.1038/s41396-021-01006-9
    Scopus Count
    Collections
    UA Faculty Publications

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