Cooperative Research Units
Education, Research And Technical Assistance For Managing Our Natural Resources
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Fishery population and habitat assessment in Puerto Rico streams.


November 2007 - August 2012


Research is underway to obtain more extensive quantitative population estimates for stream fishes of Puerto Rico and their habitat. We then plan to develop a biotic index that may be employed to rate and classify riverine sport fish habitat. We will analyze contaminant concentrations in sport fish, their foods, and habitats to assess environmental effects and consumption risks. And we will conduct research on the ecology and migration of amphidromous sport fishes to better define management units and scale.


Current Staff

Federal Staff: 95

Masters Students: 244

Phd Students: 144

Post Docs: 55

University Staff: 251

5 Year Summary

Students graduated: 680

Scientific Publications: 1916

Presentations: 4252



Funding Agencies

  • Puerto Rico Department of Natural and Environmental Resources


Cooperative Research Units Program Headquarters Cooperators

  1. U.S. Geological Survey