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Populations of Greater Sage-grouse have declined across the entire range of the species and habitat loss is considered to be the most important factor contributing to these declines (e.g., Connelly et al. 2004). Agricultural conversion, energy development, feral horses, and livestock grazing are hypothesized to contribute to habitat related threats (Range wide interagency sage grouse conservation team 2012). Substantial research has been completed to assess the effects of energy development (e.g., Walker et al. 2007) and agricultural conversion (e.g., Aldridge et al. 2008), yet, little research has been devoted to understanding the impacts of grazing by feral horses and livestock on sage-grouse demography.The Sheldon-Hart...
This presentation aired as part of the Great Basin LCC webinar series on November 1, 2017. The presentation was given by Dr. Jim Sedinger and Phillip Street of University of Nevada Reno and Shawn Espinosa of the Nevada Department of Wildlife.Description: This project uses management-related variation in grazing by both feral horses and livestock as well as five years of field work to assess how both Greater Sage-grouse and the habitats on which they depend might be influenced by grazing. The research team monitored radio-tagged sage-grouse and vegetation on Hart Mountain and Sheldon National Wildlife Refuges as well as lands managed by the Bureau of Land Management (BLM) south and west of Sheldon from 2013-2016....