Forage Enhancement Plots as a Management Tool for Sonoran Pronghorn Recovery

Ryan R. Wilson; Paul R. Krausman; John R. Morgart

doi:10.2193/2009-191

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Ryan R. Wilson,¹ Paul R. Krausman,² John R. Morgart³

¹aSchool of Natural Resources, University of Arizona, Tucson, AZ 85721, USA
²bSchool of Natural Resources, University of Arizona, Tucson, AZ 85721, USA
³cNew Mexico Ecological Services Field Office, United States Fish and Wildlife Service, 2105 Osuna NE

Abstract

We studied the efficacy of forage enhancement plots for Sonoran pronghorn (Antilocapra americana sonoriensis) during a drought in a large (130-ha) enclosure. As drought conditions continued, Sonoran pronghorn increased percent of time foraging in forage enhancement plots from 5.3 ± 2.2% (SE) to 47.8 ± 2.8% but showed signs of poor body condition and one died of starvation. Our results confirm the utility of forage enhancement plots for Sonoran pronghorn recovery, but suggest future research be conducted to determine the optimal size and watering regime of plots to increase survival and recruitment during prolonged droughts.

Citation Download Citation

Ryan R. Wilson, Paul R. Krausman, and John R. Morgart "Forage Enhancement Plots as a Management Tool for Sonoran Pronghorn Recovery," Journal of Wildlife Management 74(2), 236-239, (1 February 2010). https://doi.org/10.2193/2009-191

Published: 1 February 2010