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A new bioclimatic model calibrated with vegetation for Mediterranean forest areas

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Annals of Forest Science : Volume 65, Issue 6, January 2008

Annals of Forest Science : Volume 65, Issue 5, January 2008

Annals of Forest Science : Volume 65, Issue 4, January 2008

Annals of Forest Science : Volume 65, Issue 3, January 2008

Annals of Forest Science : Volume 65, Issue 2, January 2008

Annals of Forest Science : Volume 65, Issue 1, January 2008

Annals of Forest Science : Volume 64

A new bioclimatic model calibrated with vegetation for Mediterranean forest areas

Content Provider	Springer Nature Link
Author	Vennetier, Michel Ripert, Christian Maille, Eric Blanc, Laurence Torre, Franck Roche, Philip Tatoni, Thierry Brun, Jean Jacques
Copyright Year	2008
Abstract	• Water availability is one of the main factors explaining flora composition and growth in Mediterranean regions, where it may decline with climate change. • Our goal was to develop a model for forest site assessment in Mediterranean environments, focusing on water availability to assess potential vegetation composition and productivity in any places, whatever their level of disturbance. • We designed a statistical model, using global climatic and geographic variables, as well as detailed local topographic and edaphic variables, to compute a bioclimatic index for Mediterranean forest environments. This model was calibrated in France with a flora index from 325 old forests. The model explained 80.3% of the flora index variance. The method fills a gap in existing models, bridging scales from the region to forest sites. • Beyond its theoretical aspect, it was designed to allow practical tools to be derived from it for decision-making and management, such as the assessment of climate change impact on vegetation, and of forest productivity. Its development and adaptation is possible in other Mediterranean regions, and in any region where water is one of the main limiting factors. • La disponibilité en eau est un des principaux facteurs contrôlant la composition et la croissance de la flore en région méditerranéenne. Elle devrait décroître avec le changement climatique. • Notre objectif était de développer un modèle pour l’analyse stationnelle des milieux forestiers méditerranéens. Basé sur la disponibilité de l’eau, il devait permettre l’évaluation de leur flore potentielle et de leur productivité, quel que soit leur état de perturbation. • Nous avons conçu un modèle statistique, utilisant conjointement des variables globales, climatiques et géographiques, et des variables locales topographiques et édaphiques pour calculer un indice bioclimatique adapté aux milieux forestiers méditerranéens. Ce modèle a été calibré en France sur 325 placettes de forêts âgées à l’aide d’un indice floristique dont il explique 80.3 % de la variance. Avec des échelles de travail allant en continu de la région à la station forestière, la méthode comble un vide dans la gamme des modèles existants. • Ce modèle ouvre des perspectives pour l’évaluation de l’impact du changement climatique sur la flore et de la productivité forestière. La méthode peut être adaptée à d’autres régions méditerranéennes et à toute région où le bilan hydrique est un des principaux facteurs limitants.
Starting Page	711
Ending Page	711
Page Count	1
File Format	PDF
ISSN	12864560
Journal	Annals of Forest Science
Volume Number	65
Issue Number	7
e-ISSN	1297966X
Language	French
Publisher	Springer Netherlands
Publisher Date	2008-01-01
Publisher Institution	Institut National de la Recherche Agronomique (INRA)
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	modèle bioclimatique forêt méditerranéenne disponibilité en eau analyse floristique régression PLS Provence Forestry Wood Science & Technology Forestry Management Tree Biology Environment
Content Type	Text
Resource Type	Article
Subject	Ecology Forestry

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A new bioclimatic model calibrated with vegetation for Mediterranean forest areas

A new bioclimatic model calibrated with vegetation for Mediterranean forest areas

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A new bioclimatic model calibrated with vegetation for Mediterranean forest areas

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