Tree diversity mitigates defoliation after a drought-induced tipping point

© 2018 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 24(2018), 9 vom: 01. Sept., Seite 4304-4315
1. Verfasser: Sousa-Silva, Rita (VerfasserIn)
Weitere Verfasser: Verheyen, Kris, Ponette, Quentin, Bay, Elodie, Sioen, Geert, Titeux, Hugues, Van de Peer, Thomas, Van Meerbeek, Koenraad, Muys, Bart
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't biodiversity climate change crown condition drought stress forest management
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520 |a Understanding the processes that underlie drought-related tree vitality loss is essential for anticipating future forest dynamics, and for developing management plans aiming at increasing the resilience of forests to climate change. Forest vitality has been continuously monitored in Europe since the acid rain alert in the 1980s, and the intensive monitoring plots of ICP Forests offer the opportunity to investigate the effects of air pollution and climate change on forest condition. By making use of over 100 long-term monitoring plots, where crown defoliation has been assessed extensively since 1990, we discovered a progressive shift from a negative to a positive effect of species richness on forest health. The observed tipping point in the balance of net interactions, from competition to facilitation, has never been reported from real ecosystems outside experimental conditions; and the strong temporal consistency of our observations with increasing drought stress emphasizes its climate change relevance. Furthermore, we show that higher species diversity has reduced the severity of defoliation in the long term. Our results confirm the greater resilience of diverse forests to future climate change-induced stress. More generally, they add to an accumulating body of evidence on the large potential of tree species mixtures to face manifold disturbances in a changing world 
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650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a biodiversity 
650 4 |a climate change 
650 4 |a crown condition 
650 4 |a drought stress 
650 4 |a forest management 
700 1 |a Verheyen, Kris  |e verfasserin  |4 aut 
700 1 |a Ponette, Quentin  |e verfasserin  |4 aut 
700 1 |a Bay, Elodie  |e verfasserin  |4 aut 
700 1 |a Sioen, Geert  |e verfasserin  |4 aut 
700 1 |a Titeux, Hugues  |e verfasserin  |4 aut 
700 1 |a Van de Peer, Thomas  |e verfasserin  |4 aut 
700 1 |a Van Meerbeek, Koenraad  |e verfasserin  |4 aut 
700 1 |a Muys, Bart  |e verfasserin  |4 aut 
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