Temperature variation makes ectotherms more sensitive to climate change

© 2013 The Authors. Global Change Biology published by John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 19(2013), 8 vom: 01. Aug., Seite 2373-80
1. Verfasser: Paaijmans, Krijn P (VerfasserIn)
Weitere Verfasser: Heinig, Rebecca L, Seliga, Rebecca A, Blanford, Justine I, Blanford, Simon, Murdock, Courtney C, Thomas, Matthew B
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article Research Support, U.S. Gov't, Non-P.H.S. Anopheles stephensi Jensen's inequality climate change conservation diurnal temperature fluctuation ectotherm fitness thermal fitness curve thermal reaction norm
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520 |a Ectotherms are considered to be particularly vulnerable to climate warming. Descriptions of habitat temperatures and predicted changes in climate usually consider mean monthly, seasonal or annual conditions. Ectotherms, however, do not simply experience mean conditions, but are exposed to daily fluctuations in habitat temperatures. Here, we highlight how temperature fluctuation can generate 'realized' thermal reaction (fitness) norms that differ from the 'fundamental' norms derived under standard constant temperatures. Using a mosquito as a model organism, we find that temperature fluctuation reduces rate processes such as development under warm conditions, increases processes under cool conditions, and reduces both the optimum and the critical maximum temperature. Generalizing these effects for a range of terrestrial insects reveals that prevailing daily fluctuations in temperature should alter the sensitivity of species to climate warming by reducing 'thermal safety margins'. Such effects of daily temperature dynamics have generally been ignored in the climate change literature 
650 4 |a Journal Article 
650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
650 4 |a Anopheles stephensi 
650 4 |a Jensen's inequality 
650 4 |a climate change 
650 4 |a conservation 
650 4 |a diurnal temperature fluctuation 
650 4 |a ectotherm fitness 
650 4 |a thermal fitness curve 
650 4 |a thermal reaction norm 
700 1 |a Heinig, Rebecca L  |e verfasserin  |4 aut 
700 1 |a Seliga, Rebecca A  |e verfasserin  |4 aut 
700 1 |a Blanford, Justine I  |e verfasserin  |4 aut 
700 1 |a Blanford, Simon  |e verfasserin  |4 aut 
700 1 |a Murdock, Courtney C  |e verfasserin  |4 aut 
700 1 |a Thomas, Matthew B  |e verfasserin  |4 aut 
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