Temperature variability and metabolic adaptation in terrestrial and aquatic ectotherms

Simple item page
dc.contributor.authorCarter, Mauricio J.
dc.contributor.authorCortes, Pablo A.
dc.contributor.authorRezende, Enrico L.
dc.date.accessioned2025-01-20T20:08:29Z
dc.date.available2025-01-20T20:08:29Z
dc.date.issued2023
dc.description.abstractThermodynamics is a major factor determining rates of energy expenditure, rates of biochemical dynamics, and ultimately the biological and ecological processes linked with resilience to global warming in ectothermic organisms. Nonetheless, whether ectothermic organisms exhibit general adaptive metabolic responses to cope with worldwide variation in thermal conditions has remained as an open question. Here we combine a model comparison approach with a global dataset of standard metabolic rates (SMR), including 1,160 measurements across 788 species of aquatic invertebrates, insects, fishes, amphibians and reptiles, to investigate the association between metabolic rates and environmental temperatures in their respective habitats. Our analyses suggest that variation in SMR after removing allometric and thermodynamic effects is best explained by the temperature range encountered across seasons, which always provided a better fit than the average temperature for the hottest and coldest month and mean annual temperatures. This pattern was consistent across taxonomic groups and robust to sensitivity analyses. Nonetheless, aquatic and terrestrial lineages responded differently to seasonality, with SMR declining - 6.8% degrees C- 1 of thermal range across seasons in aquatic organisms and increasing 2.8% degrees C- 1 in terrestrial organisms. These responses may reflect alternative strategies to mitigate the impact of increments in warmer temperatures on energy expenditure, either by means of metabolic reduction in thermally homogeneous water bodies or effective behavioral thermoregulation to exploit temperature heterogeneity on land.
dc.fuente.origenWOS
dc.identifier.doi10.1016/j.jtherbio.2023.103565
dc.identifier.eissn1879-0992
dc.identifier.issn0306-4565
dc.identifier.urihttps://doi.org/10.1016/j.jtherbio.2023.103565
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/91908
dc.identifier.wosidWOS:001037179100001
dc.language.isoen
dc.revistaJournal of thermal biology
dc.rightsacceso restringido
dc.subjectGlobal distribution
dc.subjectMetabolic rates
dc.subjectTemperature variability
dc.subjectThermal adaptation
dc.subjectThermodynamics
dc.subject.ods13 Climate Action
dc.subject.odspa13 Acción por el clima
dc.titleTemperature variability and metabolic adaptation in terrestrial and aquatic ectotherms
dc.typeartículo
dc.volumen115
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
Files
Collections
Artículos de revistas