Image courtesy of Philip Sandstrom, MSU.
Image courtesy of Joanna Thamke, USGS.
Image courtesy of Jonny Armstrong, USGS.
Image courtesy of Jack Bartholmai.
Photo by USGS.
Photo Credit: Spencer Neuharth, USFWS.

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We hope you will enjoy learning about the exciting ecosystems and species we are studying throughout the United States. Our scientists work within the Rocky Mountain regions of Montana, Wyoming, and northern Idaho, which include the diverse Greater Yellowstone and Northern Continental Divide ecosystems. We also study a variety of topics throughout the U.S. Browse our feature articles or dive right into the science by reading about ongoing research projects or publications our scientists have produced. You can also scroll down to see our research by topic.

Science Picks

Featuring NOROCK's recently published research.

Graves, Tabitha , Richard B. Chandler, J. Andrew Royle, Paul Beier, Katherine C. Kendall. Estimating landscape resistance to dispersal. Landscape ecology. 2014. (DOI) 10.1007/s10980-014-0056-5.

Sepulveda, A. J., Rutz, D. S., Dupuis, A. W., Shields, P. A. and Dunker, K. J. (2014), Introduced northern pike consumption of salmonids in Southcentral Alaska. Ecology of Freshwater Fish. doi: 10.1111/eff.12164

Gunther, K., R. Shoemaker, K. Frey, M. A. Haroldson, S. L. Cain, F. T. van Manen, and J. K. Fortin. 2014. Dietary breadth of grizzly bears in the Greater Yellowstone Ecosystem. Ursus. 25(1):60–72.

Prato et al. 2014. “Simulating Future Residential Property Losses from Wildfire in Flathead County, Montana.” In: Justin A. Daniels, editor. Advances in Environmental Research. New York (NY): Nova Science Publishers. Vol 33, p 1-40.

Olexa, Edward M. and Richard L. Lawrence. 2014. Performance and effects of land cover type on synthetic surface reflectance data and NDVI estimates for assessment and monitoring of semi-arid rangeland. International Journal of Applied Earth Observation and Geoinformation. 30: 30-41.

Rachel T. Bolus (2014) Geographic variation in songs of the Common Yellowthroat. The Auk: April 2014, Vol. 131, No. 2, pp. 175-185.

Gleason, R.A., and Tangen, B.A., eds., 2014, Brine contamination to aquatic resources from oil and gas development in the Williston Basin, United States: U.S. Geological Survey Scientific Investigations Report 2014–5017, 127 p.