Cooperative Research Units
Education, Research And Technical Assistance For Managing Our Natural Resources
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Monitoring protocol for otter and bobcat in Iowa


April 2016 - December 2019


Goals and Objectives:
- Comparing conventional population indices to statistical population reconstruction (SPR) to determine if the SPR model provides superior inferences that warrant its use as an otter and bobcat management tool.
- Performing SPR to provide estimates on otter and bobcat survival, age structure, recruitment, harvest, and population trends in Iowa.
- Using GIS to develop a river otter habitat suitability map for Iowa based on the number of otters trapped per HUC 12 watersheds as a function of land cover and landscape metrics comparable to the suitability map developed for the bobcats.
- Validating the habitat suitability map created in item 3.
- Evaluating the value of current data sources and simulating potential gains by including additional auxiliary data for use in managing Iowan furbearers.
- Publishing a final report and outlining recommendations to the Iowa DNR for future furbearer monitoring.


Current Staff

Federal Staff: 2

Masters Students: 3

Phd Students: 2

Post Docs: 0

University Staff: 11

5 Year Summary

Students graduated: 14

Scientific Publications: 39

Presentations: 57



Funding Agencies

  • Iowa Department of Natural Resources


Iowa Cooperative Fish and Wildlife Research Unit Cooperators

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