All organisms must maintain the ability to exchange gases with their environment. This is mainly the uptake of oxygen and release of carbon dioxide. The exchange of gas in animals can involve numerous steps that include diffusion from air or water across respiratory surfaces, convection through the cardiovascular system, and diffusion again across capillary walls into respiring tissues. Limitations can occur at any step in this process that determine maximum rates at which gas can be exchanged and ultimately the capacity for animal activity and survival.
I am broadly interested in challenges to gas exchange in biological systems and how organisms respond and adapt.
My current research focuses on the effects of poor water conditions, particularly high carbon dioxide, on the respiratory physiology of air-breathing fishes. For more information about me and my research, feel free to explore my website.