Tolerance landscapes in thermal ecology

Enrico L. Rezende, Luis E. Castañeda, Mauro Santos

Resultado de la investigación: Article

100 Citas (Scopus)

Resumen

Summary: How thermal tolerance estimated in the laboratory can be extrapolated to natural settings remains a contentious subject. Here, we argue that the general premise that a single temperature can accurately describe upper or lower tolerance limits is incorrect. Survival probability is determined by both the intensity and the duration of a thermal stress, and the association between these variables can be adequately conveyed by a thermal tolerance landscape. Employing this framework, we demonstrate that the temperature range that an organism can tolerate is expected to narrow down with the duration of the thermal challenge. Analyses suggest that a trade-off exists between tolerances to acute and chronic exposition to thermal stress, and that changes in temperature means or extremes may result in drastically different selective pressures and subsequent evolutionary responses. After controlling for the duration of the thermal challenge, we also uncover latitudinal effects on upper lethal temperatures in insects that remained unnoticed in previous broad-scale comparative analyses. Ultimately, critical thermal limits have been adopted in the ecological literature for logistic reasons and are inadequate descriptors of thermal tolerance on conceptual grounds. We consider that tolerance landscapes provide a more suitable framework to study temperature tolerance and its potential impact in ecological settings.

Idioma originalEnglish
Páginas (desde-hasta)799-809
Número de páginas11
PublicaciónFunctional Ecology
Volumen28
N.º4
DOI
EstadoPublished - 2014

Huella dactilar

tolerance
ecology
heat
heat tolerance
thermal stress
temperature
duration
temperature tolerance
trade-off
logistics
insects
insect
organisms

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

Citar esto

Rezende, E. L., Castañeda, L. E., & Santos, M. (2014). Tolerance landscapes in thermal ecology. Functional Ecology, 28(4), 799-809. https://doi.org/10.1111/1365-2435.12268
Rezende, Enrico L. ; Castañeda, Luis E. ; Santos, Mauro. / Tolerance landscapes in thermal ecology. En: Functional Ecology. 2014 ; Vol. 28, N.º 4. pp. 799-809.
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Rezende, EL, Castañeda, LE & Santos, M 2014, 'Tolerance landscapes in thermal ecology', Functional Ecology, vol. 28, n.º 4, pp. 799-809. https://doi.org/10.1111/1365-2435.12268

Tolerance landscapes in thermal ecology. / Rezende, Enrico L.; Castañeda, Luis E.; Santos, Mauro.

En: Functional Ecology, Vol. 28, N.º 4, 2014, p. 799-809.

Resultado de la investigación: Article

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AU - Castañeda, Luis E.

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