Integrative Approaches to Understanding Organismal Responses to Aquatic Deoxygenation

H. Arthur Woods, Amy L. Moran, David Atkinson, Asta Audzijonyte, Michael Berenbrink, Francisco O. Borges, Karen G. Burnett, Louis E. Burnett, Christopher J. Coates, Rachel Collin, Elisa M. Costa-Paiva, Murray I. Duncan, Rasmus Ern, Elise M.J. Laetz, Lisa A. Levin, Max Lindmark, Noelle M. Lucey, Lillian R. McCormick, James J. Pierson, Rui RosaMichael R. Roman, Eduardo Sampaio, Patricia M. Schulte, Erik A. Sperling, Aleksandra Walczyńska, Wilco C.E.P. Verberk

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


Oxygen bioavailability is declining in aquatic systems worldwide as a result of climate change and other anthropogenic stressors. For aquatic organisms, the consequences are poorly known but are likely to reflect both direct effects of declining oxygen bioavailability and interactions between oxygen and other stressors, including two—warming and acidification— that have received substantial attention in recent decades and that typically accompany oxygen changes. Drawing on the collected papers in this symposium volume (“An Oxygen Perspective on Climate Change”), we outline the causes and consequences of declining oxygen bioavailability. First, we discuss the scope of natural and predicted anthropogenic changes in aquatic oxygen levels. Although modern organisms are the result of long evolutionary histories during which they were exposed to natural oxygen regimes, anthropogenic change is now exposing them to more extreme conditions and novel combinations of low oxygen with other stressors. Second, we identify behavioral and physiological mechanisms that underlie the interactive effects of oxygen with other stressors, and we assess the range of potential organismal responses to oxygen limitation that occur across levels of biological organization and over multiple timescales. We argue that metabolism and energetics provide a powerful and unifying framework for understanding organism-oxygen interactions. Third, we conclude by out-lining a set of approaches for maximizing the effectiveness of future work, including focusing on long-term experiments using biologically realistic variation in experimental factors and taking truly cross-disciplinary and integrative approaches to understanding and predicting future effects.

Original languageEnglish
Pages (from-to)85-103
Number of pages19
JournalBiological Bulletin
Issue number2
StatePublished - Oct 2022


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