Songbird community composition and nesting success in grazed and ungrazed pinyon-juniper woodland
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Authors: C. B. Goguen, and N. E. Mathews
Date: 1998
Journal: Journal of Wildlife Management
Volume: 62
Number: 2
Pages: 474-484
Summary of Methods: Goguen and Mathews found that cattle grazing has no direct effect on species richness, species abundance or nesting success. They compared two pinyon-juniper woodland sites; one that had been ungrazed for 20 years and one on a three season, moderate-use grazing plan. The authors found that moderate grazing did not alter the vegetation structure in this area. However, cattle grazing may have an indirect effect on nesting success by creating ideal habitat for cowbirds, which has devastating effects on songbird nests.
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: brown-headed cowbird, livestock grazing, neotropical migrant songbird, nesting success, new mexico, pinyon-juniper
Annotation: Authors were concerned that a 20 year rest period was not enough time for the woodland to completely recover.
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