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    • Rangeland Ecology & Management, Volume 66 (2013)
    • Rangeland Ecology & Management, Volume 66, Number 1 (January 2013)
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    Greater Sage-Grouse and Severe Winter Conditions: Identifying Habitat for Conservation

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    Author
    Dzialak, Matthew R.
    Webb, Stephen L.
    Harju, Seth M.
    Olson, Chad V.
    Winstead, Jeffrey B.
    Hayden-Wing, Larry D.
    Issue Date
    2013-01-01
    Keywords
    energy development
    greater sage-grouse
    landscape planning
    resource selection
    severe winter conditions
    sustainability
    
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    Citation
    Dzialak, M. R., Webb, S. L., Harju, S. M., Olson, C. V., Winstead, J. B., & Hayden-Wing, L. D. (2013). Greater sage-grouse and severe winter conditions: identifying habitat for conservation. Rangeland Ecology & Management, 66(1), 10-18.
    Publisher
    Society for Range Management
    Journal
    Rangeland Ecology & Management
    URI
    http://hdl.handle.net/10150/642681
    DOI
    10.2111/REM-D-11-00223.1
    Additional Links
    https://rangelands.org/
    Abstract
    Developing sustainable rangeland management strategies requires solution-driven research that addresses ecological issues within the context of regionally important socioeconomic concerns. A key sustainability issue in many regions of the world is conserving habitat that buffers animal populations from climatic variability, including seasonal deviation from long-term precipitation or temperature averages, and that can establish an ecological bottleneck by which the landscape-level availability of critical resources becomes limited. We integrated methods to collect landscape-level animal occurrence data during severe winter conditions with estimation and validation of a resource selection function, with the larger goal of developing spatially explicit guidance for rangeland habitat conservation. The investigation involved greater sage-grouse (Centrocercusurophasianus) that occupy a landscape that is undergoing human modification for development of energy resources. We refined spatial predictions by exploring how reductions in the availability of sagebrush (as a consequence of increasing snow depth) may affect patterns of predicted occurrence. Occurrence of sage-grouse reflected landscape-level selection for big sagebrush, taller shrubs, and favorable thermal conditions and avoidance of bare ground and anthropogenic features. Refinement of spatial predictions showed that important severe winter habitat was distributed patchily and was constrained in spatial extent (7-18% of the landscape). The mapping tools we developed offer spatially explicit guidance for planning human activity in ways that are compatible with sustaining habitat that functions disproportionately in population persistence relative to its spatial extent or frequency of use. Increasingly, place-based, quantitative investigations that aim to develop solutions to landscape sustainability issues will be needed to keep pace with human-modification of rangeland and uncertainty associated with global climate change and its effects on animal populations.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2111/REM-D-11-00223.1
    Scopus Count
    Collections
    Rangeland Ecology & Management, Volume 66, Number 1 (January 2013)

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