globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.14326
Scopus记录号: 2-s2.0-85051544873
论文题名:
Tree diversity mitigates defoliation after a drought-induced tipping point
作者: Sousa-Silva R.; Verheyen K.; Ponette Q.; Bay E.; Sioen G.; Titeux H.; Van de Peer T.; Van Meerbeek K.; Muys B.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2018
卷: 24, 期:9
起始页码: 4304
结束页码: 4315
语种: 英语
英文关键词: biodiversity ; climate change ; crown condition ; drought stress ; forest management
英文摘要: 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. © 2018 John Wiley & Sons Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/110247
Appears in Collections:影响、适应和脆弱性
气候变化事实与影响

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作者单位: Department of Earth and Environmental Sciences, Division of Forest, Nature and Landscape, KU Leuven, Leuven, Belgium; Forest & Nature Lab, Ghent University, Gontrode-Melle, Belgium; Earth and Life Institute, Environmental Sciences, Université Catholique de Louvain, Louvain-la-Neuve, Belgium; Observatoire Wallon de la Santé des Forêts (OWSF) – Direction du Milieu forestier (DEMNA-DMF), Service Public de Wallonie (SPW), Gembloux, Belgium; Research Institute for Nature and Forest (INBO), Brussels, Belgium

Recommended Citation:
Sousa-Silva R.,Verheyen K.,Ponette Q.,et al. Tree diversity mitigates defoliation after a drought-induced tipping point[J]. Global Change Biology,2018-01-01,24(9)
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