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Are There Benefits to Mowing Wyoming Big Sagebrush Plant Communities? An Evaluation in Southeastern Oregon

Author

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  • Kirk W. Davies

    (United States Department of Agriculture, Agricultural Research Service, Eastern Oregon Agricultural Research Center)

  • Jon D. Bates

    (United States Department of Agriculture, Agricultural Research Service, Eastern Oregon Agricultural Research Center)

  • Aleta M. Nafus

    (United States Department of Agriculture, Agricultural Research Service, Eastern Oregon Agricultural Research Center)

Abstract

Wyoming big sagebrush (Artemisia tridentata ssp. wyomingensis Beetle & Young) communities frequently are mowed in an attempt to increase perennial herbaceous vegetation. However, there is limited information as to whether expected benefits of mowing are realized when applied to Wyoming big sagebrush communities with intact understory vegetation. We compared vegetation and soil nutrient concentrations in mowed and undisturbed reference plots in Wyoming big sagebrush plant communities at eight sites for three years post-treatment. Mowing generally did not increase perennial herbaceous vegetation cover, density, or biomass production (P > 0.05). Annual forbs and exotic annual grasses were generally greater in the mowed compared to the reference treatment (P

Suggested Citation

  • Kirk W. Davies & Jon D. Bates & Aleta M. Nafus, 2011. "Are There Benefits to Mowing Wyoming Big Sagebrush Plant Communities? An Evaluation in Southeastern Oregon," Environmental Management, Springer, vol. 48(3), pages 539-546, September.
    • Handle: RePEc:spr:envman:v:48:y:2011:i:3:d:10.1007_s00267-011-9715-3
    DOI: 10.1007/s00267-011-9715-3
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