Journal
ECOLOGY AND EVOLUTION
Volume 7, Issue 23, Pages 10467-10481Publisher
WILEY
DOI: 10.1002/ece3.3576
Keywords
biogeography; biotrait; global change; niche; thermodynamic; warming
Categories
Funding
- Natural Environment Research Council [NE/J500379/1, NE/L501906/1, NE/P002374/1]
- Ministerio de Economia y Competitividad [BES-2013-065752]
- NERC [NE/L501906/1, NE/P002374/1, NE/J500379/1] Funding Source: UKRI
- Natural Environment Research Council [NE/P002374/1] Funding Source: researchfish
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The equations used to account for the temperature dependence of biological processes, including growth and metabolic rates, are the foundations of our predictions of how global biogeochemistry and biogeography change in response to global climate change. We review and test the use of 12 equations used to model the temperature dependence of biological processes across the full range of their temperature response, including supra- and suboptimal temperatures. We focus on fitting these equations to thermal response curves for phytoplankton growth but also tested the equations on a variety of traits across a wide diversity of organisms. We found that many of the surveyed equations have comparable abilities to fit data and equally high requirements for data quality (number of test temperatures and range of response captured) but lead to different estimates of cardinal temperatures and of the biological rates at these temperatures. When these rate estimates are used for biogeographic predictions, differences between the estimates of even the best-fitting models can exceed the global biological change predicted for a decade of global warming. As a result, studies of the biological response to global changes in temperature must make careful consideration of model selection and of the quality of the data used for parametrizing these models.
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