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Title

Pinus halepensis Mill. crown development and fruiting declined with repeated drought in Mediterranean France

Publication Year

2012

Author(s)
  • Girard, Francois
  • Vennetier, Michel
  • Guibal, Frederic
  • Corona, Christophe
  • Ouarmim, Samira
  • Herrero, Asier
Source
EUROPEAN JOURNAL OF FOREST RESEARCH Volume: 131 Issue: 4 Pages: 919-931 Published: 2012
ISSN
1612-4669
Abstract

The objectives of this study were to describe and quantify Aleppo pine aerial primary growth processes and to assess their relationships with climate. Primary growth (branch length growth, branching rate, polycyclism, needle number and size, fruiting), i.e. crown development and reproduction, was reconstructed for the last 16 years in Mediterranean France. From 1998 to 2007, climate has been far hotter and drier than normal in South-eastern France. All variables related to crown development and fruiting, as well as radial growth, significantly declined after 2003 heat wave and during repeated droughts from 2004 to 2007. A partial recovery of most parameters occurred from 2008 to 2010 on vigorous branches while frail branches showed less improvement. The limited crown development during unfavourable years may significantly hold back tree potential photosynthetic biomass for several following years and contribute to a slower than expected recovery of tree growth or to delayed die-back.

Author Keyword(s)
  • Pinus halepensis
  • Primary growth
  • Shoot length
  • Branching rate
  • Needle number
  • Needle length
  • Polycyclism
  • Fruiting
  • Ring width
  • Tree architecture
  • Climate change
  • Mediterranean forest
  • Drought
KeyWord(s) Plus
  • QUERCUS-ILEX FOREST
  • RADIAL GROWTH
  • BIOCLIMATIC MODEL
  • EXTREME DROUGHTS
  • FAGUS-SYLVATICA
  • CLIMATE-CHANGE
  • TREE
  • RESPONSES
  • ARCHITECTURE
  • ALLOCATION
ESI Discipline(s)
  • Plant & Animal Science
Web of Science Category(ies)
  • Forestry
Adress(es)

[Girard, Francois; Vennetier, Michel; Ouarmim, Samira] Irstea, F-13182 Aix En Provence 5, France; [Vennetier, Michel] Aix Marseille Univ, ECCOREV FR 3098, Aix En Provence, France; [Guibal, Frederic; Corona, Christophe] Fac Sci & Tech St Jerome, IMEP, F-13397 Marseille 20, France; [Herrero, Asier] Univ Granada, Fac Ciencias, Dept Ecol, E-18071 Granada, Spain

Reprint Adress

Vennetier, M (reprint author), Irstea, 3275 Route Cezanne CS 40061, F-13182 Aix En Provence 5, France.

Country(ies)
  • France
  • Spain
CNRS - Adress(es)
  • Ecosystèmes continentaux et risques environnementaux (ECCOREV), FR3098
  • Institut méditerranéen de biodiversité et d'écologie marine et continentale (IMBE), UMR7263
Accession Number
WOS:000304102400003
uid:/B6J72806
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