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Abstract (from http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0148795): Arid climates have unpredictable precipitation patterns, and wildlife managers often provide supplemental water to help desert ungulates endure the hottest, driest periods. When surface water is unavailable, the only source of water for ungulates comes from the forage they consume, and they must make resourceful foraging decisions to meet their requirements. We compared two desert bighorn sheep ( Ovis canadensis nelsoni) populations in Arizona, USA: a treatment population with supplemental water removed during treatment, and a control population. We examined whether sheep altered their seasonal diets without supplemental water....
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The allotment (Range Management Unit) feature class depicts the boundaries of range allotments and wild horse territory on the Dixie National Forest. Each unit is a designated area of land available for livestock grazing.


    map background search result map search result map BLM REA COP 2010 USFS Dixie National Forest Grazing Allotments BLM REA COP 2010 USFS Dixie National Forest Grazing Allotments