Article (Scientific journals)
Increased tree-growth synchronization of beech (Fagus sylvatica L.) in response to climate change in northwestern Europe
Latte, Nicolas; Lebourgeois, François; Claessens, Hugues
2015In Dendrochronologia, 33, p. 69-77
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Keywords :
Radial growth; Basal area increment; Altitudinal gradient; Tree-ring analysis; Mean sensitivity; Global warming
Abstract :
[en] To better understand how the radial growth of beech (Fagus sylvatica L.) high forests has responded to climate change, we selected 12 sites (137 trees) with optimal growing conditions along a W − E altitudinal gradient (67–590 m) in Belgium. We evaluated temporal changes in growth response to climate by using pointer year analysis, moving mean sensitivities (1860–2011), and moving bootstrapped correlation coefficients (1952–2011). The strongest driving climatic variables were identified by using the partial least squares method. The common patterns of growth trends, pointer years, and mean sensitivities among sites provided evidences for the impact of environmental changes operating at a regional scale. The results of growth–climate analysis indicated that these changes were strongly influenced by the climatic conditions of the previous year. The climate sensitivity of beech increased progressively in response to more frequent and intense heat waves and warming-related droughts, especially during recent decades, leading to remarkable inter-site synchronization. The changes were much more pronounced for sites located in lowlands (<300 m). The differences in growth responses along the altitudinal gradient and the consequences of warming for beech growth and physiology are discussed.
Research center :
Forest Ressources Management
Disciplines :
Environmental sciences & ecology
Author, co-author :
Latte, Nicolas ;  Université de Liège - ULiège > Forêts, Nature et Paysage > Gestion des ressources forestières et des milieux naturels
Lebourgeois, François;  AgroParisTech - INRA > Laboratoire d’Étude des Ressources Forêt Bois (LERFoB)
Claessens, Hugues ;  Université de Liège - ULiège > Forêts, Nature et Paysage > Gestion des ressources forestières et des milieux naturels
Language :
English
Title :
Increased tree-growth synchronization of beech (Fagus sylvatica L.) in response to climate change in northwestern Europe
Publication date :
February 2015
Journal title :
Dendrochronologia
ISSN :
1125-7865
eISSN :
1612-0051
Publisher :
Elsevier
Volume :
33
Pages :
69-77
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
Accord cadre de recherche et vulgarisation forestières
Funders :
SPW DNF - Service Public de Wallonie. Département de la Nature et des Forêts [BE]
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since 18 February 2015

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