Cooperative Research Units
Education, Research And Technical Assistance For Managing Our Natural Resources
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Grassland bird and invertebrate response to grassland diversity in restored plantings in northwestern Iowa


January 2015 - August 2017


Goals and Objectives:
- Compare breeding bird use of five habitat types that have been established on managed land in the Spring Run Wetland Complex (Spring Run).
- Compare vegetation composition and structure in each of the five established habitat types at Spring Run.
- Compare invertebrate populations in each habitat type at Spring Run.


Current Staff

Federal Staff: 95

Masters Students: 239

Phd Students: 142

Post Docs: 53

University Staff: 240

5 Year Summary

Students graduated: 701

Scientific Publications: 1936

Presentations: 4260



  • Bob KlaverPrincipal Investigator
  • Joe LambertStudent

Funding Agencies

  • Iowa Department of Natural Resources


Cooperative Research Units Program Headquarters Cooperators

  1. U.S. Geological Survey