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Evaluation of juvenile bull trout outmigration in Thompson Falls Reservoir


November 2013 - December 2016


Bull trout are listed as a threatened species by the US Fish and Wildlife Service, and in the lower Clark Fork River the species is impacted by three main-stem impoundments (Thompson Falls,Noxon, and Cabinet Gorge reservoirs). Dams and reservoirs significantly alter natural habitats (physical and biological) and influence upstream and downstream fish movement. An understanding od juvenile bull trout use and movement through impoundments is necessary to identify how these altered habitats and dam operation can impact downstream migrating juvenile bull trout and accordingly the status of associated populations.


Current Staff

Federal Staff: 102

Masters Students: 243

Phd Students: 163

Post Docs: 57

University Staff: 254

5 Year Summary

Students graduated: 699

Scientific Publications: 1910

Presentations: 4358



Funding Agencies

  • Montana Fish, Wildlife and Parks


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