Global convergence in leaf respiration from estimates of thermal acclimation across time and space

© 2015 The Authors. New Phytologist © 2015 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 207(2015), 4 vom: 21. Sept., Seite 1026-37
1. Verfasser: Vanderwel, Mark C (VerfasserIn)
Weitere Verfasser: Slot, Martijn, Lichstein, Jeremy W, Reich, Peter B, Kattge, Jens, Atkin, Owen K, Bloomfield, Keith J, Tjoelker, Mark G, Kitajima, Kaoru
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, U.S. Gov't, Non-P.H.S. autotrophic respiration carbon flux climate change temperature terrestrial biosphere modelling thermal acclimation
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520 |a Recent compilations of experimental and observational data have documented global temperature-dependent patterns of variation in leaf dark respiration (R), but it remains unclear whether local adjustments in respiration over time (through thermal acclimation) are consistent with the patterns in R found across geographical temperature gradients. We integrated results from two global empirical syntheses into a simple temperature-dependent respiration framework to compare the measured effects of respiration acclimation-over-time and variation-across-space to one another, and to a null model in which acclimation is ignored. Using these models, we projected the influence of thermal acclimation on: seasonal variation in R; spatial variation in mean annual R across a global temperature gradient; and future increases in R under climate change. The measured strength of acclimation-over-time produces differences in annual R across spatial temperature gradients that agree well with global variation-across-space. Our models further project that acclimation effects could potentially halve increases in R (compared with the null model) as the climate warms over the 21st Century. Convergence in global temperature-dependent patterns of R indicates that physiological adjustments arising from thermal acclimation are capable of explaining observed variation in leaf respiration at ambient growth temperatures across the globe 
650 4 |a Journal Article 
650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
650 4 |a autotrophic respiration 
650 4 |a carbon flux 
650 4 |a climate change 
650 4 |a temperature 
650 4 |a terrestrial biosphere modelling 
650 4 |a thermal acclimation 
700 1 |a Slot, Martijn  |e verfasserin  |4 aut 
700 1 |a Lichstein, Jeremy W  |e verfasserin  |4 aut 
700 1 |a Reich, Peter B  |e verfasserin  |4 aut 
700 1 |a Kattge, Jens  |e verfasserin  |4 aut 
700 1 |a Atkin, Owen K  |e verfasserin  |4 aut 
700 1 |a Bloomfield, Keith J  |e verfasserin  |4 aut 
700 1 |a Tjoelker, Mark G  |e verfasserin  |4 aut 
700 1 |a Kitajima, Kaoru  |e verfasserin  |4 aut 
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773 1 8 |g volume:207  |g year:2015  |g number:4  |g day:21  |g month:09  |g pages:1026-37 
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