Cooperative Research Units
Education, Research And Technical Assistance For Managing Our Natural Resources
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Integrating Metapopulation Ecology and Landscape Ecology for Improved Population Viability Analysis and Conservation Decision-Making


January 2014 - December 2017


Provide assistance with population viability analysis related to recovery planning for the federally-threatened Chiricahua leopard frog in Southern Arizona.


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



  • Brian IrwinCo-Principal Investigator
  • Richard ChandlerCo-Principal Investigator

Funding Agencies

  • Amphibian Research and Monitoring Initiative


Cooperative Research Units Program Headquarters Cooperators

  1. U.S. Geological Survey