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Microhabitat Characteristics Influencing Sage-Grouse Nest Site Selection and Survival, Nevada and California (2012-2017)


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Brussee, B.E., Coates, P.S., O'Neil, S.T., Ricca, M.A., Dudko, J.E., Espinosa, S.P., Gardner, S.C., Casazza, M.L., Delehanty, D.J., and Chenaille, M.C., 2023, Microhabitat characteristics influencing sage-grouse nest site selection and survival, Nevada and California (2012-2017): U.S. Geological Survey data release,


We examined nest survival of Greater Sage-grouse (Centrocercus urophasianus; hereafter, sage-grouse) in relation to fine-scale habitat patterns that influenced nest site selection, using data from nests of telemetered females at 17 sites across 6 years in Nevada and northeastern California, USA. Importantly, sites spanned mesic and xeric average precipitation conditions and concomitant vegetation community structure across cold desert ecosystems of the North American Great Basin. Vegetative cover immediately surrounding sage-grouse nests was important for both nest site selection and nest survival, but responses varied between mesic and xeric sites. For example, while taller perennial grass was selected at xeric sites, we found no [...]


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nest_selection_data.csv 146.12 KB text/csv
nest_selection_mod_info.csv 49 Bytes text/csv
nest_survival_data.csv 188.21 KB text/csv
nest_survival_mod_info.csv 61 Bytes text/csv
Table1.BLISSresults.csv 2.01 KB text/csv
Table2.UsedVsAvail.csv 1.58 KB text/csv
Table3.SelectionModelResults.csv 4 KB text/csv
Table4.SurvivalModelResults.csv 4.14 KB text/csv
Table5.SuccessFailed.csv 1.55 KB text/csv
Table6.SiteLevelBetas_selection.csv 9.75 KB text/csv
Table7.SiteLevelBetas_survival.csv 13.74 KB text/csv

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Resource managers and scientists across western U.S. agencies seek methodologies for identifying environmental attributes important to both wildlife conservation and broad-scale land stewardship. The sage-grouse exemplifies a species in need of this broad-scale approach given widespread population declines that have resulted from loss and degradation of habitat from natural and anthropogenic disturbances. These include agricultural land conversion, conifer expansion, energy development, and wildfire coupled with ecological conversion by invasive plants such as cheatgrass (Bromus tectorum). Development of habitat assessments and conservation actions for sage-grouse require studies that link their demographic responses to fine-scale habitat selection.



  • USGS Data Release Products
  • USGS Western Ecological Research Center



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DOI doi:10.5066/P9JJ747B

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