Impact of warmer and drier conditions on tree photosynthetic properties and the role of species interactions

© 2022 The Authors. New Phytologist © 2022 New Phytologist Foundation.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 236(2022), 2 vom: 16. Okt., Seite 547-560
1. Verfasser: Didion-Gency, Margaux (VerfasserIn)
Weitere Verfasser: Gessler, Arthur, Buchmann, Nina, Gisler, Jonas, Schaub, Marcus, Grossiord, Charlotte
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Jmax European beech Vcmax downy oak drought photosynthetic properties species interaction warming Soil
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520 |a Increased temperature and prolonged soil moisture reduction have distinct impacts on tree photosynthetic properties. Yet, our knowledge of their combined effect is limited. Moreover, how species interactions alter photosynthetic responses to warming and drought remains unclear. Using mesocosms, we studied how photosynthetic properties of European beech and downy oak were impacted by multi-year warming and soil moisture reduction alone or combined, and how species interactions (intra- vs inter-specific interactions) modulated these effects. Warming of +5°C enhanced photosynthetic properties in oak but not beech, while moisture reduction decreased them in both species. Combined warming and moisture reduction reduced photosynthetic properties for both species, but no exacerbated effects were observed. Oak was less impacted by combined warming and limited moisture when interacting with beech than in intra-specific stands. For beech, species interactions had no impact on the photosynthetic responses to warming and moisture reduction, alone or combined. Warming had either no or beneficial effects on the photosynthetic properties, while moisture reduction and their combined effects strongly reduced photosynthetic responses. However, inter-specific interactions mitigated the adverse impacts of combined warming and drought in oak, thereby highlighting the need to deepen our understanding of the role of species interactions under climate change 
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650 4 |a Research Support, Non-U.S. Gov't 
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650 4 |a European beech 
650 4 |a Vcmax 
650 4 |a downy oak 
650 4 |a drought 
650 4 |a photosynthetic properties 
650 4 |a species interaction 
650 4 |a warming 
650 7 |a Soil  |2 NLM 
700 1 |a Gessler, Arthur  |e verfasserin  |4 aut 
700 1 |a Buchmann, Nina  |e verfasserin  |4 aut 
700 1 |a Gisler, Jonas  |e verfasserin  |4 aut 
700 1 |a Schaub, Marcus  |e verfasserin  |4 aut 
700 1 |a Grossiord, Charlotte  |e verfasserin  |4 aut 
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