Northern Rocky Mountain Science Center (NOROCK)
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We hope you will enjoy learning about the variety of ecosystems and species we are studying throughout the United States. We are part of the Northwest Region of the USGS and our scientists work on diverse issues such as wildlife health, invasive species, climate, endangered species and much more. Click on Science to begin exploring the places we go and the species and landscapes we study.
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Recent news and media featuring NOROCK Science. Click below for our most recent news feature.Montana Grizzlies
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Western waters support some of the most intact aquatic ecosystems in North America, yet invasive species and emerging infectious diseases pose significant and immediate threats to these ecosystems.
Pneumonia in bighorn sheep: Risk and resilience
Infectious disease was an important driver of historic declines and extirpations of bighorn sheep (Ovis canadensis) in North America and continues to impede population restoration and management. Domestic sheep have long been linked to pneumonia outbreaks in bighorn sheep and this association has now been confirmed in 13 captive commingling...Cassirer, E. Frances; Manlove, Kezia R.; Almberg, Emily S.; Kamath, Pauline; Cox, Mike; Wolff, Peregrine L.; Roug, Annette; Shannon, Justin M.; Robinson, Rusty; Harris, Richard B.; Gonzales, Ben J.; Plowright, Raina K.; Hudson, Peter J.; Cross, Paul C.; Dobson, Andrew; Besser, Thomas E.
Status and conservation of Yellowstone cutthroat trout in the Greater Yellowstone Area
No abstract available.Al-Chokhachy, Robert K.; Shepard, Bradley; Burckhardt, Jason; Opitz, Scott; Garren, Dan; Koel, Todd M.; Nelson, Lee M.
Application of synthetic scenarios to address water resource concerns: A management-guided case study from the Upper Colorado River Basin
Water managers are increasingly interested in better understanding and planning for projected resource impacts from climate change. In this management-guided study, we use a very large suite of synthetic climate scenarios in a statistical modeling framework to simultaneously evaluate how (1) average temperature and precipitation changes, (2)...McAfee, Stephanie A.; Pederson, Gregory T.; Woodhouse, Connie A.; McCabe, Gregory