Cooperative Research Units
Education, Research And Technical Assistance For Managing Our Natural Resources
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Dr. Jaime Collazo

Jaime Collazo


BS-Universtity of Puerto Rico
MS-University of Idaho
PhD-Iowa State University

Research Interests

Demographic Processes and Conservation
Species-habitat relationships
Endangered Species Conservation

Teaching Interests

Hierarchical Species-Habitat Modeling
Tropical Avian Biology

Research Publications

  • Dowdy, K. E, J. A. Collazo, K. Pacifici, B. J. Reich, A. R. Puente-Rolón, and A. J. Terando. In Press. Occupancy and abundance of Eleutherodactylus Frogs in Coffee Plantations in Puerto Rico. Herpetologica 73:297-306.
  • Bjorndal, K. A., A. B. Bolten, M. Chaloupka, V. S. Saba, C. Bellini, M. A. G. Marcovaldi, A. J. B. Santos, L. F. Wurdig Bortolon, A. B. Meylan, P. A. Meylan, J. Gray, R. Hardy, B. Brost, M. Bresette, J. Gorham, S. Connett, B. Crouchley, M. Dawson, D. Hayes, C. E. Diez, R. P. van Dam, S. Willis, M. Nava, K. M. Hart, M. S. Cherkiss, A. G. Crowder, C. Pollock, Z. Hillis-Starr, F. A. Muñoz Teneria, R. Herrera Pavon, V. Martagón Labrada, A. Lorences, A. C. Negrete Philippe, M. M. Lamont, A. M. Foley, R. Bailey, R. R. Carthy, R. Scarpino, E. McMichael, J. A. Provancha, A. Brooks, A. Jardim, M. López-Mendilaharsu, D. González-Paredes, A. Estrades, A. Fallabrino, G. Martínez-Souza, G. M.Vélez-Rubio, R. H. Boulon, Jr., J. A. Collazo, R. Wershoven, V. Guzman-Hernandez, T. B. Stringell, A. Sanghera, P. B. Richardson, A. C. Broderick, Q. Phillips, M. Calosso, J. A. B. Claydon, T. L. Metz, A. L. Gordon, A. Landry, D. J. Shaver, J. Blumenthal, L. Collyer, B. J. Godley, A. McGowan, M. J. Witt, C. L. Campbell, C. J. Lagueux, T. Bethel, and L. Kenyon. 2017. Ecological regime shift drives declining growth rates of sea turtles throughout the West Atlantic. Global Change Biology 2017:1-13. DOI: 10.1111/gcb.13712
  • Monroe, K. E., J. A. Collazo, K. Pacifici, B. J. Reich, A. R. Puente-Rolón, and A. J. Terando. 2017. Occupancy and index of abundance of Eleutherodactylus wightmanae and E. brittoni along elevational gradients in west-central Puerto Rico. Caribbean Naturalist 40:1-18. ( ISSN 2326-7119 [online]).
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Completed Projects


  • Decision Analysis for Conservation and Management of Natural Resources (2014)
  • Conservation Design for Manatee in Puerto Rico (2010)
  • Climate Change and Conservation (2009)
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Technical Publications

  • Drew, C. A, L. B. Alexander-Vaughn, and J. A. Collazo. 2012. Summary in Support of
    Manatee Protection Area (MPA) Design
    in Puerto Rico. North Carolina Agricultral Research Service, College of Agriculture and Life Sciences, North Carolina State University
    Raleigh, Technical Bulletin 330. (IP-043436)
  • Collazo, J. A., M. Krachey, S. J. Dinsmore, T. H. White, Jr., I. Llerandi-Román. 2010. Assessment of Puerto Rican Parrot Demography: Implications for its Recovery Program. Final Report to the U.S. Fish and Wildlife Service, Puerto Rican Parrot Field Office, Rio Grande, Puerto Rico. 52 pp.
  • Nytch, C., J. A. Collazo, F. Núñez-García, W. C. Hunter, and S. Melvin. 2010. Puerto Rico and the U.S. Virgin Islands Bird Conservation Plan. Final report to U.S. Fish and Wildlife Service, 1875 Century Blvd., Atlanta, GA. 245 pp.
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Current Staff

Federal Staff: 4

Masters Students: 3

Phd Students: 5

Post Docs: 3

University Staff: 25

5 Year Summary

Students graduated: 20

Scientific Publications: 89

Presentations: 157

North Carolina Cooperative Fish and Wildlife Research Unit Cooperators

  1. North Carolina State University
  2. North Carolina Wildlife Resources Commission
  3. U.S. Fish and Wildlife Service
  4. U.S. Geological Survey
  5. Wildlife Management Institute