Factors affecting Attwater's prairie-chicken decline on the Attwater Prairie Chicken National Wildlife Refuge
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Authors: M. E. Morrow, R. S. Adamcik, J. D. Friday, and L. B. McKinney
Date: 1996
Journal: Wildlife Society Bulletin
Volume: 24
Number: 4
Pages: 593-601
Summary of Methods: Morrow et al. found that a combination of factors affect the Attwater's prairie-chicken (Tympanuchus cupido attwateri) population. Open areas, needed for prairie-chicken movement between clumps of grass where nesting occurs, were scarce, which could be a contributing factor to prairie-chicken declines. Inadequate grazing may have created this problem when cattle (Bos taurus) were removed from several pastures, leaving dense vegetation. Prairie-chicken population increases and declines were attributed not only to precipitation amounts and off-refuge prairie-chicken declines, but also to the amount of prescribed burning and variable grassland structure due to grazing on the refuge.
Article Summary / Main Points: None
Vegetation Types:
MLRA Ecoregions:
Agrovoc Control Words: Riparian zones Rangelands Wildlife
Article Review Type: Peer Reviewed
Article Type: Experimental Research
Keywords: cattle grazing, tympanuchus cupido attwateri, burning, core habitat, bos taurus, vegetation structure
Annotation: In the past there was a combination of continuous grazing and deferred rotation grazing, but continuous grazing at 5.3-5.7 ha/AU/year was typical.
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