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Social status-mediated tree-ring responses to climate of Abies alba and Fagus sylvatica shift in importance with increasing stand basal area / François Lebourgeois in Forest ecology and management, Vol 328 (September 2014)
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Titre : Social status-mediated tree-ring responses to climate of Abies alba and Fagus sylvatica shift in importance with increasing stand basal area Type de document : Article/Communication Auteurs : François Lebourgeois, Auteur ; P. Eberlé, Auteur ; Pierre Mérian , Auteur ; Ingrid Seynave, Auteur Année de publication : 2014 Article en page(s) : pp 209 - 218 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] Abies alba
[Termes IGN] analyse comparative
[Termes IGN] climat continental
[Termes IGN] croissance des arbres
[Termes IGN] dendrochronologie
[Termes IGN] Fagus sylvatica
[Termes IGN] hauteur des arbres
[Termes IGN] peuplement forestier
[Termes IGN] sécheresse
[Termes IGN] surface terrière
[Termes IGN] variation saisonnière
[Vedettes matières IGN] SylvicultureRésumé : (auteur) The aim of the study was to assess the effects of competition at both stand and tree levels on climate tree-growth relationships of 414 Abies alba and 243 Fagus sylvatica trees growing in 2 contrasting ecological conditions (north- and south-facing) under mountainous continental climate (mean altitude: 886 m). Stand level competition was considered through three stand basal area (SBA) modalities (Low: 32 m2/ha, Medium: 41 and High: 49) while tree level competition was assessed through three social statuses (SST, Dominant, Codominant and Suppressed trees). A strong specific response to climate was pointed out with different key periods; growth of Abies being mainly driven by previous and current late summer temperatures, while that of Fagus was controlled by April and June ones. No obvious difference between facing sides was evidenced. Competition at stand level prevailed on competition at tree level. In Low and Medium SBA, trees exhibited similar responses to climate whatever their social statuses. On the opposite, sensitivity to summer drought increased with dominancy in high SBA. Inter-specific differences and consequences for forest management are discussed. Numéro de notice : A2014-816 Affiliation des auteurs : LIF+Ext (2012-2019) Thématique : FORET Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.foreco.2014.05.038 Date de publication en ligne : 18/06/2014 En ligne : https://doi.org/10.1016/j.foreco.2014.05.038 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=92048
in Forest ecology and management > Vol 328 (September 2014) . - pp 209 - 218[article]