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    • Rangeland Ecology & Management, Volume 69 (2016)
    • Rangeland Ecology & Management, Volume 69, Number 2 (March 2016)
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    Grasshopper Responses to Fire and Postfire Grazing in the Northern Great Plains Vary Among Species

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    Author
    Branson, D.H.
    Vermeire, L.T.
    Issue Date
    2016
    Keywords
    drought
    grasshopper
    grassland
    herbivory
    livestock grazing
    prescribed burn
    
    Metadata
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    Citation
    Branson, D. H., & Vermeire, L. T. (2016). Grasshopper Responses to Fire and Postfire Grazing in the Northern Great Plains Vary Among Species. Rangeland Ecology & Management, 69(2), 144–149.
    Publisher
    Society for Range Management
    Journal
    Rangeland Ecology & Management
    URI
    http://hdl.handle.net/10150/662797
    DOI
    10.1016/j.rama.2015.10.005
    Additional Links
    https://rangelands.org/
    Abstract
    Rangeland management practices such as burning and grazing may affect the development, survival, and reproduction of grasshopper populations. Experiments in the northern Great Plains that examine effects of fire and grazing utilization on grasshoppers are lacking. As part of a larger study examining vegetation responses to late summer fire and postfire grazing utilization in semiarid mixed prairie in eastern Montana to aid in postfire management decisions, we examined grasshopper responses to late summer fire and postfire grazing intensity. The experiment was repeated using adjacent blocks, with blocks receiving fire treatment in either 2003 or 2004 and grazing in the following year. Treatments were no fire and no grazing, and summer fire followed by grazing at 0%, 17%, or 50% forage utilization on a biomass basis. Grasshopper sampling was conducted before fire and for 2 years post fire. Fire reduced grasshopper density 36-53% across experiments, sampling periods, and postfire grazing treatments, but the effects of grazing and fire were species dependent. The two most abundant grasshopper species, Ageneotettix deorum (Scudder) and Opeia obscura (Thomas), were reduced 80% and 84% the first year after the 2003 fire, but only O. obscura was affected following the 2004 fire. Late summer fire appears to be a useful management tool to reduce populations of some grasshopper species in the northern Great Plains, while other species appear more responsive to food limitation from increased postfire grazing utilization. Fire effects were largely driven by two species, indicating that late-season fire impacts could be species dependent. © 2015 Published by Elsevier Inc. on behalf of The Society for Range Management.
    Type
    Article
    text
    Language
    en
    ISSN
    1550-7424
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.rama.2015.10.005
    Scopus Count
    Collections
    Rangeland Ecology & Management, Volume 69, Number 2 (March 2016)

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