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Pamela K Yochem DVM PhD


Senior Research Scientist

Population Biology, Marine Mammal Health and Disease

Dr. Pam Yochem is the Executive Vice President and a Senior Research Scientist at Hubbs-Sea World Research Institute (HSWRI) in San Diego, California.  Her current research interests include wildlife disease ecology and epidemiology, marine ecosystem health, and wildlife emergency response.  Other recent projects include studies of the population biology and foraging ecology of marine mammals and seabirds in the North Pacific and Antarctic.  Dr. Yochem is a USDA-accredited veterinarian and is an affiliated faculty member of the Wildlife Health Center at the University of California – Davis.   Dr. Yochem chairs the Institutional Animal Care and Use Committee and the Fish Health Management Team for HSWRI, is a member of the Advisory Board and the Scientific Advisory Committee for the California Oiled Wildlife Care Network and is a former member of the Unified Port of San Diego’s Environmental Committee.   She is currently serving on two advisory committees for the Department of Commerce:  the Marine Fisheries Advisory Committee, which advises the Secretary of Commerce on living marine resource matters, and the Gulf Coast Ecosystem Restoration Science Program Working Group, which provides independent guidance and review to the National Oceanic and Atmospheric Administration Science Advisory Board.

Current Research

Wildlife disease ecology and epidemiology

Marine ecosystem health

Wildlife emergency response

Selected Publications

Boyce, W.M., I. Mena, P.K. Yochem, F.M.D. Gulland, A. Garcia-Sastre, N. Moreno, D.R. Perez, A.S. Gonzalez-Reiche and B.S. Stewart.  2013. Influenza A (H1N1)pdm09 virus infection in marine mammals in California. Emerging Microbes and Infections. (doi:10.1038/emi.2013.40)

Quinley, N., J.A.K. Mazet, R. Rivera, T.L. Schmitt, C. Dold, J. McBain, V. Fritsch and P.K. Yochem. 2013. Serologic response of harbor seals (Phoca vitulina) to vaccination with a recombinant canine distemper vaccine.  Journal of Wildlife Diseases 49:579-586.

Venn-Watson, S., C. Benham, F.M.D. Gulland, C.R. Smith, J. St. Leger, P. Yochem, H. Nollens, U. Blas-Machado, J. Saliki, K. Colegrove, J.F.X. Wellehan, Jr., and R. Rivera.  2012.  Clinical relevance of novel Otarine herpesvirus-3 in California sea lions (Zalophus californianus): lymphoma, esophageal ulcers, and strandings.  Veterinary Research 2012 43:85. (doi:10.1186/1297-9716-43-85)

Worthy, G.A.J., T.A.M. Worthy, P.K. Yochem and C. Dold. 2014. Basal metabolism of an adult male killer whale (Orcinus orca).  Marine Mammal Science 30:1229-1237



Major Research Areas
Population Biology, Marine Mammal Health and Disease

B.S., Biology, San Diego State University
M.S., Ecology, San Diego State University
D.V.M., University of California, Davis
Ph.D., University of California, Davis

Professional Activities

Marine Fisheries Advisory Committee (Department of Commerce); Gulf Coast Ecosystem Restoration Science Program Working Group (Department of Commerce); Advisory Board, Oiled Wildlife Care Network; Chair, HSWRI Institutional Animal Care and Use Committee

University Affiliations

Affiliated Faculty, University of California Davis