Influence of free water availability on a desert carnivore and herbivore

Current Zoology
Bryan M KlueverSteven J Dempsey

Abstract

Anthropogenic manipulation of finite resources on the landscape to benefit individual species or communities is commonly employed by conservation and management agencies. One such action in arid regions is the construction and maintenance of water developments (i.e., wildlife guzzlers) adding free water on the landscape to buttress local populations, influence animal movements, or affect distributions of certain species of interest. Despite their prevalence, the utility of wildlife guzzlers remains largely untested. We employed a before-after control-impact (BACI) design over a 4-year period on the US Army Dugway Proving Ground, Utah, USA, to determine whether water availability at wildlife guzzlers influenced relative abundance of black-tailed jackrabbitsLepus californicusand relative use of areas near that resource by coyotesCanis latrans, and whether coyote visitations to guzzlers would decrease following elimination of water. Eliminating water availability at guzzlers did not influence jackrabbit relative abundance. Coyote relative use was impacted by water availability, with elimination of water reducing use in areas associated with our treatment, but not with areas associated with our control. Visitations of radio-collare...Continue Reading

References

Jun 10, 2008·Ecological Applications : a Publication of the Ecological Society of America·Roland W KaysJustina C Ray
May 12, 2009·Ecological Applications : a Publication of the Ecological Society of America·Liana N JosephHugh P Possinghami
Dec 18, 2013·Proceedings of the National Academy of Sciences of the United States of America·Charles T T EdwardsE J Milner-Gulland
Jul 1, 1983·Journal of Chemical Ecology·R W BullardS R Kilburn

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