Northern Rocky Mountain Science Center (NOROCK)


We hope you will enjoy learning about the variety of ecosystems and species we are studying throughout the United States. Our scientists work on diverse issues such as fish and wildlife conservation, invasive species and wildlife disease, energy development, climate and ecosystem change, and much more. Click on Science to begin exploring the places we go and the species and landscapes we study.

Center Highlights

Center Highlights

The latest in Center news and science highlights.

Between the Lines

NOROCK in the News

NOROCK in the News

Click here for the most recent media and news on NOROCK science.

Adapting to Change


Date published: July 19, 2018

IGBST Public Notifications and Resources

As part of ongoing efforts required under the 2016 Yellowstone Grizzly Bear Conservation Strategy to monitor the population of grizzly bears in the Yellowstone Ecosystem, the Interagency Grizzly Bear Study Team (IGBST) captures and monitors grizzly bears for research and monitoring purposes. Here you will find capture notifications for the 2018 field season.

Date published: April 11, 2018

NOROCK Scientist Receives USGS Award for Lifetime Achievement in Science Communications

Research Ecologist Dan Fagre is the recipient of the 2017 Eugene M. Shoemaker Award for Lifetime Achievement in Communications

Date published: April 4, 2018

Long-term population dynamics and conservation risk of migratory bull trout in the upper Columbia River Basin

Conservation of migratory and sensitive fish like bull trout will require ecosystem level approaches that target stressors in headwater spawning and rearing habitats as well as critical habitats in rivers and lakes used during juvenile and adult life stages.


Year Published: 2018

Estimating distemper virus dynamics among wolves and grizzly bears using serology and Bayesian state‐space models

Many parasites infect multiple hosts, but estimating the transmission across host species remains a key challenge in disease ecology. We investigated the within and across host species dynamics of canine distemper virus (CDV) in grizzly bears (Ursus arctos) and wolves (Canis lupus) of the Greater Yellowstone Ecosystem (GYE). We hypothesized that...

Cross, Paul C.; van Manen, Frank T.; Viana, Mafalda; Almberg, Emily S.; Bachen, Daniel; Brandell, Ellen E.; Haroldson, Mark A.; Hudson, Peter J.; Stahler, Daniel R.; Smith, Douglas W.
Cross, P. C., F. T. Van Manen, M. Viana, E. S. Almberg, D. Bachen, E. Brandell, M. A. Haroldson, P. J. Hudson, D. R. Stahler, and D. W. Smith. 2018. Estimating distemper virus dynamics among wolves and grizzly bears using serology and Bayesian state-space models. Ecology and Evolution 00:000-000.

Year Published: 2018

International meeting on sarcoptic mange in wildlife, June 2018, Blacksburg, Virginia, USA

Sarcoptic mange is a globally distributed disease caused by the burrowing mite Sarcoptes scabiei, which also causes scabies in humans. A wide and increasing number of wild mammal species are reported to be susceptible to mange; however, the impacts of the disease in wildlife populations, mechanisms involved in its eco-epidemiological dynamics...

Astorga, Francisca; Carver, Scott; Almberg, Emily S.; Sousa, Giovane R.; Wingfield, Kimberly; Niedringhaus, Kevin D.; Van Wick, Peach; Rossi, Luca; Xie, Yue; Cross, Paul C.; Angelone, Samer; Gortázar, Christian; Escobar, Luis E.
Astorga, F., S. Carver, E. S. Almberg, G. R. Sousa, K. Wingfield, K. D. Niedringhaus, P. Van Wick, L. Rossi, Y. Xie, P. Cross, S. Angelone, C. Gortázar, and L. E. Escobar. 2018. International meeting on sarcoptic mange in wildlife, June 2018, Blacksburg, Virginia, USA. Parasites & Vectors 11:449

Year Published: 2018

Local topography increasingly influences the mass balance of a retreating cirque glacier

Local topographically driven processes – such as wind drifting, avalanching, and shading – are known to alter the relationship between the mass balance of small cirque glaciers and regional climate. Yet partitioning such local effects from regional climate influence has proven difficult, creating uncertainty in the climate representativeness of...

Florentine, Caitlyn; Harper, Joel T.; Fagre, Daniel B.; Moore, Johnnie; Peitzsch, Erich H.