Cooperative Research Units
Education, Research And Technical Assistance For Managing Our Natural Resources
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Combining genetics, otolith microchemistry, and vital rate estimation to inform restoration and management of fish populations in the UMRS


July 2019 - December 2021


Understanding demographic and population structure is important for informing management, but little research has been conducted on this topic in the Mississippi River. This project will use three techniques, genetics, otolith microchemistry, and age/growth estimation to understand structure in multiple species within the Upper Mississippi River. The project is a collaboration between USGS, the Wisconsin Department of Natural Resources, and multiple universities including Southern Illinois. The data from this will be vital for developing new management strategies for this in this region.


Current Staff

Federal Staff: 2

Masters Students: 10

Phd Students: 0

Post Docs: 0

University Staff: 6

5 Year Summary

Students graduated: 13

Scientific Publications: 33

Presentations: 114



  • Wes LarsonPrincipal Investigator
  • Yue ShiNon-PI Collaborator

Funding Agencies

  • Upper Midwest Environmental Sciences Center


Wisconsin Cooperative Fishery Research Unit Cooperators

  1. U.S. Geological Survey
  2. University of Wisconsin-Stevens Point
  3. Wisconsin Department of Natural Resources