Cooperative Research Units
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Use of occupancy modeling to estimate the abundance distribution of introduced Robust Redhorse in Upper Reaches of the Ocmulgee River, GA

Duration

January 2010 - December 2011

Narrative

This work will provide long-term data on dispersal behavior, habitat use, and movement
patterns of hatchery-reared robust redhorse released into regional rivers. Specifically, husbandry efforts by the Warm Spring Fish Technology Center (USFWS) have produced many
stockable-sized fish, but questions about their dispersal behavior, long-term habitat use and
movement patterns have hindered decisions about when and where to release these fish. As a result, ongoing efforts to restore this species to much of its historic range (i.e., medium-sized
and large rivers in the Piedmont and Upper Coastal Plain physiographic provinces of the Atlantic Slope) also have been hindered. Also, information about the habitat use of juveniles (relative to that of adults) will help interpret size-class data from the Oconee River population and facilitate better management decisions for protecting this species. Finally, this work will provide evidence of the value of stocking robust redhorse in selected river reaches for the purposes of establishing refugial populations.

 

Current Staff

Federal Staff: 3

Masters Students: 6

Phd Students: 3

Post Docs: 3

University Staff: 4

5 Year Summary

Students graduated: 13

Scientific Publications: 41

Presentations: 133

 

Personnel

Funding Agencies

  • Georgia Power Company

Links

Georgia Cooperative Fish and Wildlife Research Unit Cooperators

  1. Georgia Department of Natural Resources
  2. U.S. Fish and Wildlife Service
  3. U.S. Geological Survey
  4. University of Georgia
  5. Wildlife Management Institute