Cooperative Research Units
Education, Research And Technical Assistance For Managing Our Natural Resources
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Resource selection, area requirements and monitoring of bighorn sheep in northwest Nebraska


February 2015 - April 2016


While bighorn sheep occur throughout the Western US, they often occur in small, isolated herds that are especially prone to periodic die-offs from disease, low genetic diversity and random population fluctuations. These effects reduce the potential for sustained harvest and the long-term maintenance of viable wild bighorn sheep populations. The Nebraska Game and Parks Commission is interested in understanding the habitat requirements of sheep in Northwest Nebraska, with the goal of growing larger, self-sustaining populations. This project will use data from individually identified sheep between 2002 to present to understand habitat requirements, resource selection and movement dynamics of NE sheep. Indirect outcomes of this analysis will be to identify future data needs and monitoring requirements for these populations, and to provide a framework (e.g. databases, code) for quickly managing and analyzing data in the future.


Current Staff

Federal Staff: 95

Masters Students: 238

Phd Students: 144

Post Docs: 54

University Staff: 239

5 Year Summary

Students graduated: 673

Scientific Publications: 1905

Presentations: 4236



Funding Agencies

  • State of Nebraska Game and Parks Commission


Cooperative Research Units Program Headquarters Cooperators

  1. U.S. Geological Survey