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    Agave palmeri restoration: salvage and transplantation of population structure

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    Pavliscak_and_Fehmi_for_archive.pdf
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    Author
    Pavliscak, Laura L.
    Fehmi, Jeffrey S.
    Affiliation
    Univ Arizona, Sch Nat Resources & Environm
    Issue Date
    2020-09-23
    Keywords
    Arizona
    land reclamation
    Leptonycteris curasoae
    Palmer's Agave
    semi-arid lands
    
    Metadata
    Show full item record
    Publisher
    Informa UK Limited
    Citation
    Laura L. Pavliscak & Jeffrey S. Fehmi (2020) Agave palmeri restoration: salvage and transplantation of population structure, Arid Land Research and Management, DOI: 10.1080/15324982.2020.1821829
    Journal
    ARID LAND RESEARCH AND MANAGEMENT
    Rights
    Copyright © 2020 Taylor & Francis Group, LLC.
    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
    Agave palmeri (Palmer's agave) is a long-lived, monocarpic, perennial succulent which provides a critical flower nectar food source for the threatened species, Leptonycteris curasoae (lesser long-nosed bat) among other animals. Agave palmeri flower only once after approximately 25 years. To support the demography needed to have some plants flowering every year, wild populations of A. palmeri must be conserved and mining, construction, and recreational impacts must be mitigated. Collecting, storing, and transplanting wild plants was tested as a potential method for restoring and maintaining A. palmeri populations. In January 2009, 387 wild plants were collected, roughly half the plants were potted in field soil, and the remainder were placed in pots without soil (bare-root) and covered with burlap cloth. During 6-months storage, 1% of plants potted in field soil died while 31% of bare-root plants died. In July 2009, a denuded and scarified field plot was planted with the surviving 277 A. palmeri individuals. Plants received one of three water treatments: a 90-day slow-release gel irrigation supplement, 8 L (2 gal) of water, or no water or gel. Three years after transplanting, survivorship was assessed. The watering treatments had no significant effect on survivorship. The number of green leaves at the time of collection was the most important factor in predicting if the plants lived, died, or survived to flower before dying . Mortality is concentrated in the smallest and largest plants. Transplanting appears to be a viable method of returning diverse size classes of A. palmerito disturbed sites.
    Note
    12 month embargo; published online 23 September 2020
    ISSN
    1532-4982
    EISSN
    1532-4990
    DOI
    10.1080/15324982.2020.1821829
    Version
    Final accepted manuscript
    ae974a485f413a2113503eed53cd6c53
    10.1080/15324982.2020.1821829
    Scopus Count
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    UA Faculty Publications

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