Impact of precipitation and grazing on the water vole in the Beartooth mountains of Montana and Wyoming, U.S.A.
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Authors: M. Klaus, R. E. Moore, and E. Vyse
Date: 1999
Journal: Arctic, Antarctic, and Alpine Research
Volume: 31
Number: 3
Pages: 278-282
Summary of Methods: Klaus et al. looked at the effects of cattle grazing on water vole population numbers and composition in the Beartooth mountains of Montana and Wyoming. Capture success of voles/1000 m of stream was greater on the ungrazed sites, while reproductively active females, for all age classes and weight of class I females, were greater on grazed sites. Cattle and sheep grazing in this area seemed to have little effect on the presence of water voles. The authors noted that a study by Luce (1995) found that moderate grazing did not exclude water voles, but under heavy grazing, the streambank did preclude water voles in that area.
Article Summary / Main Points: None
Vegetation Types:
MLRA Ecoregions:
Agrovoc Control Words: Riparian zones Rangelands Wildlife
Article Review Type: Refereed
Article Type: Experimental Research
Keywords: drainages, reproductive activity, capture success, age class
Annotation: Grazed by 91 cow/calf pairs from May-October and by 2000 sheep from July-September.
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