Thermal mismatches in biological rates determine trophic control and biomass distribution under warming

© 2020 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 27(2021), 2 vom: 01. Jan., Seite 257-269
1. Verfasser: Bideault, Azenor (VerfasserIn)
Weitere Verfasser: Galiana, Núria, Zelnik, Yuval R, Gravel, Dominique, Loreau, Michel, Barbier, Matthieu, Sentis, Arnaud
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article biological rates biomass distribution consumer-resource interaction temperature thermal mismatches trophic control
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520 |a Temperature has numerous effects on the structure and dynamics of ecological communities. Yet, there is no general trend or consensus on the magnitude and directions of these effects. To fill this gap, we propose a mechanistic framework based on key biological rates that predicts how temperature influences biomass distribution and trophic control in food webs. We show that these predictions arise from thermal mismatches between biological rates and across trophic levels. We couple our theory with experimental data for a wide range of species and find that warming should lead to top-heavier terrestrial food chains and stronger top-down control in aquatic environments. We then derive predictions for the effects of temperature on herbivory and validate them with data on stream grazers. Our study provides a mechanistic explanation of thermal effects on consumer-resource systems which is crucial to better understand the biogeography and the consequences of global warming on trophic dynamics 
650 4 |a Journal Article 
650 4 |a biological rates 
650 4 |a biomass distribution 
650 4 |a consumer-resource interaction 
650 4 |a temperature 
650 4 |a thermal mismatches 
650 4 |a trophic control 
700 1 |a Galiana, Núria  |e verfasserin  |4 aut 
700 1 |a Zelnik, Yuval R  |e verfasserin  |4 aut 
700 1 |a Gravel, Dominique  |e verfasserin  |4 aut 
700 1 |a Loreau, Michel  |e verfasserin  |4 aut 
700 1 |a Barbier, Matthieu  |e verfasserin  |4 aut 
700 1 |a Sentis, Arnaud  |e verfasserin  |4 aut 
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773 1 8 |g volume:27  |g year:2021  |g number:2  |g day:01  |g month:01  |g pages:257-269 
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