Spatially-Explicit Predictive Maps of Greater Sage-Grouse Brood Selection Integrated with Brood Survival in Nevada and Northeastern California, USA

Publication Date

2022-08-24

Time Period

2020

Brussee, B.E., Coates, P.S., O'Neil, S.T., Casazza, M.L., Espinosa, S.P., Boone, J.D., Ammon, E.M., Gardner, S.C., and Delehanty, D.J., 2022, Spatially-explicit predictive maps of greater sage-grouse brood selection integrated with brood survival in Nevada and Northeastern California, USA: U.S. Geological Survey data release, https://doi.org/10.5066/P9B593DZ.

Type: Related Primary Publication

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Numerous wildlife species within semi-arid shrubland ecosystems across western North America are experiencing substantial habitat loss and fragmentation. These changes in habitat are often attributed to a diverse suite of factors including prolonged and increasingly severe droughts, conifer expansion, anthropogenic development, domestic and feral livestock grazing, and invasion of exotic annual grasses, which promotes increased wildfire frequency and severity. Greater sage-grouse (Centrocercus urophasianus; hereafter, sage-grouse) are considered an indicator of sagebrush ecosystem health and have experienced widespread population decline associated with habitat loss and degradation, as well as changes in predator communities. Our objectives were to model and map sage-grouse habitat selection and survival during the important brood-rearing life stage in relation to landscape-scale environmental predictors. Furthermore, we sought to understand impacts of wildfire and annual grass invasion on brood habitat, as these accelerated disturbance regimes are a primary cause of habitat loss within the Great Basin region of the USA.

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• USGS Data Release Products
• USGS Western Ecological Research Center

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