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    Case Study: Using Soil Survey to Help Predict Sonoran Desert Tortoise Population Distribution and Densities

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    Author
    Stager, R. D.
    Roundy, E.
    Brackley, G.
    Leonard, S.
    Lato, L.
    Issue Date
    2017-06
    Keywords
    ecological site
    habitats of opportunity
    soils and landform characteristics
    soils classification criteria
    Sonoran Desert Tortoise
    upland rangeland health
    
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    Citation
    Stager, R. D., Roundy, E., Brackley, G., Leonard, S., & Lato, L. (2017). Case Study: Using Soil Survey to Help Predict Sonoran Desert Tortoise Population Distribution and Densities. Rangelands, 39(3-4), 97-111.
    Publisher
    Society for Range Management
    Journal
    Rangelands
    URI
    http://hdl.handle.net/10150/657863
    DOI
    10.1016/j.rala.2017.06.002
    Additional Links
    https://rangelands.org
    Abstract
    Soils properties can affect the ability of an animal to dig burrows for habitat and survival purposes. The Sonoran (Gopherus morafkai) and Mojave Desert Tortoise (Gopherus agassizii) require burrows that are at least 20 inches deep to help them thermoregulate during the cold of winter and heat of summer. Soils that have characteristics that restrict their “digability” would be expected to limit the population density and distribution of animals such as the Sonoran or the Mojave Desert Tortoise regardless of the amount of forage vegetation being produced. The Sonoran Desert Tortoise in Mohave County, Arizona, and possibly throughout its range may seek “habitats of opportunity” within boulder piles, under exposed bedrock, and in caliche caves due to the limited “digability” of the soils endemic to this part of the Sonoran Desert. The natural availability of thermoregulating burrowing habitat and temperature/precipitation records should be considered when interpreting any fluctuations in Sonoran Desert Tortoise population densities. © 2017 The Society for Range Management
    Type
    Article
    text
    Language
    en
    ISSN
    0190-0528
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.rala.2017.06.002
    Scopus Count
    Collections
    Rangelands, Volume 39, Number 3-4 (2017)

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