Brenda Ballachey, Ph.D.
Population status and indices of population condition; population, physiological and ecological effects of oil exposure on marine mammals and coastal ecosystems; environmental toxicology, physiology and genetics of marine mammals.
Professional Experience
2016 - Present Research Physiologist Emeritus, USGS, Alaska Science Center, Anchorage, Alaska
1990 - 2016 Research Physiologist, USGS, Alaska Science Center, Anchorage, Alaska
1989 - 1990 Biologist, USGS, Alaska Science Center, Anchorage, Alaska
1987 - 1989 Staff Officer, Board on Agriculture, National Research Council, Washington, D.C.
1986 - 1987 Research Associate, Department of Chemistry, South Dakota State University, Brookings, South Dakota
1985 - 1985 Instructor, Department of Animal Science, Oregon State University, Corvallis, Oregon
1981 - 1985 Graduate Research Assistant, Department of Animal Science, Oregon State University, Corvallis, Oregon
1977 - 1980 Graduate Research Assistant, Department of Animal Science, Colorado State University, Ft. Collins, Colorado
Education and Certifications
Ph.D. 1985 Oregon State University, Corvallis, OR Animal Breeding and Genetics
M.S. 1980 Colorado State University, Ft. Collins, CO Animal Sciences
B.S. 1974 Colorado State University, Ft. Collins, CO Animal Science
Affiliations and Memberships*
Society for Marine Mammalogy
The Wildlife Society
Society of Environmental Toxicology and Chemistry
Science and Products
Hematology and clinical chemistry of sea otters vaptured in Prince William Sound, Alaska following the Exxon Valdez Oil Spill
Overview of studies to determine injury caused by the Exxon Valdez Oil Spill to marine mammals
Monitoring the status of wild sea otter populations: field studies and techniques
Mitochondrial-DNA variation among subspecies and populations of sea otters (Enhydra lutris)
Clinical and clinical laboratory correlates in sea otters dying unexpectedly in rehabilitation centers following the Exxon Valdez oil spill
Release strategies for rehabilitated sea otters
Hydrocarbon residues in sea otter tissues
Pathology of sea otters
An overview of sea otter studies
Implementation of biomarker-based studies
Histopathologic lesions in sea otters exposed to crude oil
Science and Products
Hematology and clinical chemistry of sea otters vaptured in Prince William Sound, Alaska following the Exxon Valdez Oil Spill
Overview of studies to determine injury caused by the Exxon Valdez Oil Spill to marine mammals
Monitoring the status of wild sea otter populations: field studies and techniques
Mitochondrial-DNA variation among subspecies and populations of sea otters (Enhydra lutris)
Clinical and clinical laboratory correlates in sea otters dying unexpectedly in rehabilitation centers following the Exxon Valdez oil spill
Release strategies for rehabilitated sea otters
Hydrocarbon residues in sea otter tissues
Pathology of sea otters
An overview of sea otter studies
Implementation of biomarker-based studies
Histopathologic lesions in sea otters exposed to crude oil
*Disclaimer: Listing outside positions with professional scientific organizations on this Staff Profile are for informational purposes only and do not constitute an endorsement of those professional scientific organizations or their activities by the USGS, Department of the Interior, or U.S. Government