Northern Rocky Mountain Science Center


Our Northern Rocky Mountain Science Center's priority is to continue the important work of the Department of the Interior and the USGS, while also maintaining the health and safety of our employees and community.  Based on guidance from the White House, the CDC, and state and local authorities, we are shifting our operations to a virtual mode and have minimal staffing within our offices. If you need additional assistance, please contact Claudia Regan at or Judy O'Dwyer at

Connect to NOROCK

Featured Research

Featured Research

Click here to learn about the use of DNA in detecting aquatic invasive species & pathogens.

Detecting Invasives

NOROCK in the News

NOROCK in the News

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

Climate & Invasives


Date published: April 20, 2021

Northern Rocky Mountain Science Center Engages the Bureau of Land Management on Science Co-Production

Northern Rocky Mountain Science Center (NOROCK) scientists met with three Montana Bureau of Land Management (BLM) District offices to link BLM science needs with USGS resources. NOROCK scientists introduced their research and capabilities, BLM specialists discussed knowledge gaps and science needs, and the two groups examined ways to collaborate. The meetings were held in spring 2021.

Date published: March 19, 2021

Friday's Findings - April 2 2021

Adaptive Monitoring in Action: Whitebark Pine in the Greater Yellowstone Ecosystem

Date: April 2, 2021 from 2-2:30 p.m. eastern time

Speaker: Kathi Irvine, Research Statistician, Northern Rocky Mountain Science Center


Date published: December 28, 2020

Chronic Wasting Disease: Can Science Save Our Dear Deer?

What’s in a name? Chronic wasting disease sounds ominous, too descriptive for comfort, almost impolite in its directness. It is, in fact, a truthful name for a disease and a real threat to North America’s cervids.


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Year Published: 2021

Integrating ecological impacts: Perspectives on drought in the Upper Missouri Headwaters, Montana, United States

Drought is a complex challenge experienced in specific locations through diverse impacts, including ecological impacts. Different professionals involved in drought preparedness and response approach the problem from different points of view, which means they may or may not recognize ecological impacts. This study examines the extent to which...

Cravens, Amanda E.; McEvoy, Jamie; Zoanni, Dionne; Crausbay, Shelley; Ramirez, Aaron R.; Cooper, Ashley Elizabeth

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Year Published: 2021

Effects of supplemental feeding on the fecal bacterial communities of Rocky Mountain elk in the Greater Yellowstone Ecosystem

Supplemental feeding of wildlife is a common practice often undertaken for recreational or management purposes, but it may have unintended consequences for animal health. Understanding cryptic effects of diet supplementation on the gut microbiomes of wild mammals is important to inform conservation and management strategies. Multiple laboratory...

Couch, Claire E; Wise, Benjamin; Scurlock, Brandon M.; Rogerson, Jared D.; Fuda, Rebecca K.; Cole, Eric K; Szcodronski, Kimberly E; Sepulveda, Adam J.; Hutchins, Patrick R.; Cross, Paul

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Year Published: 2021

A reassessment of Chao2 estimates for population monitoring of grizzly bears in the Greater Yellowstone Ecosystem

The Yellowstone Ecosystem Subcommittee (YES) asked the Interagency Grizzly Bear Study Team (IGBST) to re-assess a technique used in annual population estimation and trend monitoring of grizzly bears in the Greater Yellowstone Ecosystem (GYE). This technique is referred to as the Chao2 approach and estimates the number of females with cubs-of-the-...

van Manen, Frank T.; Ebinger, Michael R.; Haroldson, Mark A.; Bjornlie, Daniel D.; Clapp, Justin; Thompson, Daniel J.; Frey, Kevin L.; Costello, Cecily M.; Hendricks, Curtis; Nicholson, Jeremy M.; Gunther, Kerry A.; Wilmot, Katharine R.; Cooley, Hilary; Fortin-Noreus, Jennifer; Hnilicka, Pat; Tyers, Daniel B.