Articles | Volume 21, issue 15
https://doi.org/10.5194/bg-21-3477-2024
https://doi.org/10.5194/bg-21-3477-2024
Research article
 | 
01 Aug 2024
Research article |  | 01 Aug 2024

Climatic controls on metabolic constraints in the ocean

Precious Mongwe, Matthew Long, Takamitsu Ito, Curtis Deutsch, and Yeray Santana-Falcón

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Biogeosciences Discuss., https://doi.org/10.5194/bg-2023-182,https://doi.org/10.5194/bg-2023-182, 2023
Revised manuscript under review for BG
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Cited articles

Deser, C., Phillips, A., Bourdette, V., and Teng, H.: Uncertainty in climate change projections: The role of internal variability, Clim. Dynam., 38, 527–546, https://doi.org/10.1007/s00382-010-0977-x, 2012. 
Deutsch, C., Ferrel, A., Seibel, B., Pörtner, H. O., and Huey, R. B.: Climate change tightens a metabolic constraint on marine habitats, Science, 348, 1132–1135, https://doi.org/10.1126/science.aaa1605, 2015. 
Deutsch, C., Penn, J. L., and Seibel, B.: Metabolic trait diversity shapes marine biogeography, Nature, 585, 557–562, https://doi.org/10.1038/s41586-020-2721-y, 2020. 
Deutsch, C., Penn, J. L., Verberk, W. C. E. P., Inomura, K., Endress, M.-G., and Payne, J. L.: Impact of warming on aquatic body sizes explained by metabolic scaling from microbes to macrofauna, P. Natl. Acad. Sci. USA, 119, e2201345119, https://doi.org/10.1073/pnas.2201345119, 2022. 
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We use a collection of measurements that capture the physiological sensitivity of organisms to temperature and oxygen and a CESM1 large ensemble to investigate how natural climate variations and climate warming will impact the ability of marine heterotrophic marine organisms to support habitats in the future. We find that warming and dissolved oxygen loss over the next several decades will reduce the volume of ocean habitats and will increase organisms' vulnerability to extremes.
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