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    • Rangeland Ecology & Management, Volume 61 (2008)
    • Rangeland Ecology & Management, Volume 61, Number 6 (November 2008)
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    Design and Analysis of Rangeland Experiments Along Continuous Gradients

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    Author
    Koper, Nicola
    Henderson, Darcy C.
    Wilmshurst, John F.
    Fargey, Patrick J.
    Sissons, Robert A.
    Issue Date
    2008-11-01
    Keywords
    BACI
    cattle grazing
    mixed-grass prairies
    power analysis
    
    Metadata
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    Citation
    Koper, N., Henderson, D. C., Wilmshurst, J. F., Fargey, P. J., & Sissons, R. A. (2008). Design and analysis of rangeland experiments along continuous gradients. Rangeland Ecology & Management, 61(6), 605-613.
    Publisher
    Society for Range Management
    Journal
    Rangeland Ecology & Management
    URI
    http://hdl.handle.net/10150/642990
    DOI
    10.2111/08-046.1
    Additional Links
    https://rangelands.org/
    Abstract
    Measuring the effects of grazing intensity on the structure, composition, and function of grassland ecosystems has been a perennial challenge. Space limits replication, few replicates limit statistical power, and categorical treatments limit interpretation of effects among treatment levels. Treating grazing as a continuous rather than categorical variable can permit large-scale experiments to be conducted with fewer constraints on treatment replication to maintain statistical power. Using power analysis on a grazing experiment recently initiated in Grasslands National Park of Canada, we demonstrate that the continuous approach permits the use of fewer pastures, while maintaining the large pasture size required to allow realistic grazing behavior by cattle and improving our ability to answer biologically relevant questions regarding grazing effects on grassland ecosystems. We contend that this approach, when applied to grazing experiments, will help test hypotheses related to how grassland ecosystems respond to a gradient of disturbance regimes. 
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2111/08-046.1
    Scopus Count
    Collections
    Rangeland Ecology & Management, Volume 61, Number 6 (November 2008)

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