Brad Seibel

Brad Seibel serves as Professor of Biological Oceanography at the University of South Florida's College of Marine Science, where he directs the Comparative Environmental Physiology (CEPh) Lab. His research program integrates field and laboratory approaches to investigate physiological responses of marine organisms to climate-driven stressors including ocean acidification, deoxygenation, and warming across polar to tropical ecosystems and surface to abyssal environments.

Dr. Seibel's work focuses on marine physiological ecology with emphasis on oxygen dynamics, metabolic constraints, and climate change impacts. His comparative studies span phylogenetic scales from microzooplankton to fishes and examine evolutionary limits through mitochondrial to ecosystem-level integration. Key specialties include polar biology, deep-sea adaptation mechanisms, and mollusk physiology—particularly cephalopod responses to environmental extremes.

Analysis of recent publications (2021-2024) reveals intensifying focus on metabolic habitat modeling, oxygen measurement methodologies, and vertical migrator vulnerability. His work demonstrates methodological innovation in respirometry while addressing critical gaps in predicting climate-driven habitat loss through metabolic indices and oxygen supply capacity frameworks.

The CEPh Lab conducts collaborative field campaigns aboard research vessels like the R/V Sikuliaq, with recent projects examining metabolic barriers for vertical migrators and synergistic CO₂-temperature effects on Antarctic krill. Dr. Seibel's research provides foundational physiological insights for ecosystem-based climate adaptation strategies in marine resource management.