Image courtesy of USGS.
Photo Credit: Spencer Neuharth, USFWS.
Image courtesy of Philip Sandstrom, MSU.
Image courtesy of Keith Crowley.
Image courtesy of Joanna Thamke, USGS.
Image courtesy of Philip Sandstrom, MSU.

Click on image above for feature project pages.


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. By accessing these links you are leaving a U.S. Department of Interior (DOI) site. References to non-DOI entities does not constitute an endorsement by the DOI.

Bean, Jared R., Andrew C. Wilcox, William W. Woessner, Clint C. Muhlfeld. Multi-scale hydrogeomorphic influences on bull trout (Salvelinus confluentus) spawning habitat. Canadian Journal of Fisheries and Aquatic Sciences, DOI: 10.1139/cjfas-2013-0534

Kovach, Ryan P., Stephen C. Ellison, Sanjay Pyare, and David A. Tallmon. Temporal patterns in adult salmon migration timing across southeast Alaska. Global Change Biology. doi: 10.1111/gcb.12829

J. Joseph Giersch, Steve Jordan, Gordon Luikart, Leslie A. Jones, F. Richard Hauer and Clint C. Muhlfeld. 2014. Climate-induced range contraction of a rare alpine aquatic invertebrate. Freshwater Science.

Preston TM, Chesley-Preston TL, Risk assessment of brine contamination to aquatic resources from energy development in glacial drift deposits: Williston Basin, USA, Sci Total Environ (2014)

Kovach RP, Muhlfeld CC, Boyer MC, Lowe WH, Allendorf FW, Luikart G. 2015. Dispersal and selection mediate hybridization between a native and invasive species. Proc. R. Soc. B 20142454.

Olexa, E.M., Soileau, S.C., and Allen, L.A., 2014, Observations of elk movement patterns on Fossil Butte National Monument: WLCI Fact Sheet 6, 2 p.

McCaffery, Rebecca M. , Rita Reisor, Kathryn Irvine, Jessi Brunson. 2014. Demographic monitoring and population viability analysis of two rare beardtongues from the Uinta Basin. Western North American Naturalist 74(3) 257–274

Angela Brennan, Paul C. Cross, Megan D. Higgs, W. Henry Edwards, Brandon M. Scurlock, and Scott Creel 2014. A multi-scale assessment of animal aggregation patterns to understand increasing pathogen seroprevalence. Ecosphere 5:art138.