Observations sur la mise en place du cerne chez le pin d'Alep (Pinus halepensis Mill.) : confrontation entre les mesures de croissance radiale, de densité et les facteurs climatiques

Abstract : Intra-annual variations of radial growth and ring structure. Radial growth monitoring of four Aleppo pines is done to analyse ring formation and its climatic determinism. These measures are confronted to wood density profiles and meteorological parameters. Growth occurs in two phases: spring growth and autumnal growth, separated by the summer rest period. The rainfall pattern, before and after the summer drought, plays a major role on ring increment and ring structure. Temperature combined with precipitation, influences growth start and summer water availability. Radial growth measurement and density profiles confrontation makes it possible to associate a temporal scale to density profile. Early wood formation corresponds to optimum of the spring growth phase; early wood-late wood transition corresponds to growth rate reduction at the end of the spring growth phase (June, July); late wood fluctuations are linked with the successive rest period and autumnal growth.
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Antoine Nicault, Cyrille Rathgeber, Lucien Tessier, André Thomas. Observations sur la mise en place du cerne chez le pin d'Alep (Pinus halepensis Mill.) : confrontation entre les mesures de croissance radiale, de densité et les facteurs climatiques. Annals of Forest Science, Springer Verlag/EDP Sciences, 2001, 58 (7), pp.769-784. ⟨10.1051/forest:2001162⟩. ⟨hal-00884178⟩

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