Original Paper

Annals of Forest Science

, Volume 70, Issue 1, pp 41-47

Relationships between climate and radial growth in black pine (Pinus nigra Arnold ssp. salzmannii (Dunal) Franco) from the south of France

  • Thomas AmodeiAffiliated withInstitut Méditerranéen de Biodiversité et d’Ecologie (IMBE), UMR CNRS 6116, Aix-Marseille UniversitéINRA, UR629, Ecologie des Forêts Méditerranéennes(URFM)
  • , Frédéric GuibalAffiliated withInstitut Méditerranéen de Biodiversité et d’Ecologie (IMBE), UMR CNRS 6116, Aix-Marseille Université Email author 
  • , Bruno FadyAffiliated withINRA, UR629, Ecologie des Forêts Méditerranéennes(URFM)

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Abstract

• Context

The Salzmann pine (Pinus nigra ssp. salzmannii) is an endemic subspecies of black pine native to the Western Mediterranean basin. In Spain, Salzmann pine covers extensive areas (approx. 350 000 ha), while in France where few scattered populations subsist, its distribution area is estimated at approx. 3 000 ha.

• Method

We used a dendroecological approach to understand the impact of climate fluctuations on Salzmann pine from France. Spatial and temporal variability of radial growth response was compared in three ecologically different populations (Conflent, Gorges du Tarn, Saint-Guilhem-le-Désert).

• Results

The Conflent population showed a strong sensitivity to spring precipitation deficits (March to June), while at Gorges du Tarn and Saint-Guilhem sites, autumn (October) of the previous year and winter (February) temperatures explained more variance than precipitations and were, respectively, negatively and positively correlated to radial growth.

• Conclusion

Although covering a limited distribution range in France, Salzmann pine demonstrated large differences in radial growth response to climate and soil variations.

Keywords

Pinus nigra ssp. salzmannii Tree ring Climate Soil Response function Dendroecology