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    • Journal of Range Management, Volume 25 (1972)
    • Journal of Range Management, Volume 25, Number 3 (May 1972)
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    Factors Influencing Infiltration and Erosion on Chained Pinyon-Juniper Sites in Utah

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    Author
    Williams, G.
    Gifford, G. F.
    Coltharp, G. B.
    Issue Date
    1972-05-01
    
    Metadata
    Show full item record
    Citation
    Williams, G., Gifford, G. F., & Coltharp, G. B. (1972). Factors influencing infiltration and erosion on chained pinyon-juniper sites in Utah. Journal of Range Management, 25(3), 201-205.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/647423
    DOI
    10.2307/3897055
    Additional Links
    https://rangelands.org/
    Abstract
    Relationships between vegetal and edaphic factors and infiltration rates and erosion as measured on 550 infiltrometer plots at chained pinyon-juniper sites in Utah were analyzed by multiple regression analysis. Those factors most important for predicting infiltration rates (regardless of time interval) included total porosity in the 0-3 inch layer of soil, percent bare soil surface, soil texture in the 0-3 inch layer of soil, and crown cover (percent or tons per acre). The ability to predict infiltration rates (as determined by R2) varied with time and geographic location. Not only did predictive ability vary, but independent variables explaining such variance also changed with time and location. Factors that influence sediment discharge were so variable from one geographic location to another that no consistent relation was found./El estudio se llevó a cabo en el Estado de Utah de E.U.A. con los objetivos de determinar que factores influyen más la erosión e infiltración de agua. Se usaron 550 infiltrometers a través de los años 1967 y 1968 y en varias localizaciones en ambos sitios de pino y enebro controlado por la cadena y sin control. Los resultados fueron analizados por regresión múltiple. Se encontraron que los factores que ocurrieron con más frecuencia en la ecuasión de predicción fueron la parosidad total en la copa de 0-3 pulgadas del suelo, porcentaje de suelo desnude, textura del suelo en la copa de 0-3 pulgadas y la cobertura vegetal. La habilidad para predicir la intensidad de la infiltración fué variable durante el año y entre las localizaciones los factores independientes que explican dicha variación fueron también variables durante el año y entre las localizaciones. Los factores que influyen erosión fueron muy variables enter las localizaciones y por éso no fué posible encontrar una interrelación consistente entre la intensidad de erosión y los factores de medio-ambiente.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/3897055
    Scopus Count
    Collections
    Journal of Range Management, Volume 25, Number 3 (May 1972)

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