Hidden impacts of climate change on biological responses of marine life
Creators
- 1. Royal Netherlands Institute for Sea Research, Department of Coastal Systems
- 2. School of Aquatic and Fishery Sciences, University of Washington
- 3. National Center for Scientific Research, PSL Université Paris, CRIOBE, CNRS-EPHE-UPVD
- 4. Centro Austral de Investigaciones Científicas
- 5. Universidad Nacional de Tierra del Fuego, Antártida e Islas del Atlántico Sur
- 6. CNR-IAS, Località Sa Mardini
- 7. Centro de Estudios Avanzados en Zonas Áridas
- 8. Department of Integrative Marine Ecology, Stazione Zoologica Anton Dohrn
- 9. Dipartimento di Scienze della Terra e del Mare (DiSTeM), Università di Palermo
- 10. Section of Integrative Ecophysiology, Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research
Description
Conflicting results remain on how climate change affects the biological performance of different marine taxa, hindering our capacity to predict the future state of marine ecosystems. Using a novel meta-analytical approach, we tested for directional changes and deviations across ten biological responses of fish and invertebrates from exposure to warming (OW), acidification (OA), and their combination. In addition to the established effects of climate change on calcification, survival and metabolism, we found deviations in the physiology, reproduction, behavior, and development of fish and invertebrates, resulting in a doubling of responses significantly affected when compared to directional changes. Widespread deviations of responses were detected even under moderate (IPCC RCP6-level) OW and OA for 2100, while directional changes were mostly limited to more severe (RCP8.5) exposures. Because such deviations may result in perturbations at the ecological level, our results suggest that OW and OA will likely have stronger impacts on marine ectotherms than those previously predicted based on directional changes alone.
Files
DataFish.csv
Files
(1.3 MB)
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