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    Identifying restoration opportunities beneath native mesquite canopies

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    Name:
    Revision112020_trackchangesoff.pdf
    Embargo:
    2021-12-05
    Size:
    1.077Mb
    Format:
    PDF
    Description:
    Final Accepted Manuscript
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    Author
    Gornish, Elise S.
    Ganjurjav, Hasbagan
    Liang, Maowei
    Simonis, Juniper L.
    McClaran, Mitchel P.
    Affiliation
    School of Natural Resources and the Environment, University of Arizona
    Issue Date
    2021-02
    Keywords
    facilitation
    islands of fertility
    Lehmann lovegrass
    management
    native Prosopis
    restoration
    revegetation
    
    Metadata
    Show full item record
    Publisher
    Wiley
    Citation
    Gornish, E. S., Ganjurjav, H., Liang, M., Simonis, J. L., & McClaran, M. P. Identifying restoration opportunities beneath native mesquite canopies. Restoration Ecology, e13334.
    Journal
    Restoration Ecology
    Rights
    © 2020 Society for Ecological Restoration
    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
    Effective restoration strategies are needed to address habitat degradation that accompanies worldwide environmental change. One method used to enhance restoration outcomes is the leveraging of beneficial relationships (facilitation) among plants. In the southwestern United States, native mesquite trees (Prosopis spp.) are commonly planted to stabilize soil, but the value of using mesquite canopies for enhancing restoration success is unknown. We explored this possibility in an attempt to understand how common species, that both are and are not typically used for restoration, might differentially respond to mesquite canopies. We used a Bayesian multivariate generalized mixed model structure to analyze a dataset describing natural vegetation density in the Santa Rita Experimental Range, Arizona, United States. We found that more dominant species were not more likely to be distributed under mesquite. We also found that, while all of the focal species were more likely to be under mesquite with increased mesquite cover, they varied in the strength of their responses and the degree of saturation. Finally, we found that the aggressive invasive grass Eragrostis lehmanniana was found at lower incidences with increasing mesquite canopy cover, compared to the total species average as well as several of the natives investigated in this study. This work highlights the importance of being conscious of canopy size and continuity when considering understory species for restoration. This work also suggests that mesquite canopies can be used to provide a “safe site” for restoration species because competitive pressure from invasives is slightly reduced. © 2020 Society for Ecological Restoration
    Note
    12 month embargo; first published: 05 December 2020
    ISSN
    1061-2971
    EISSN
    1526-100X
    DOI
    10.1111/rec.13334
    Version
    Final accepted manuscript
    ae974a485f413a2113503eed53cd6c53
    10.1111/rec.13334
    Scopus Count
    Collections
    UA Faculty Publications

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