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Acta Botanica Gallica
Botany Letters
Volume 159, 2012 - Issue 1
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Articles

Dynamics of Acacia tortilis (Forssk.) Hayne subsp. raddiana (Savi) Brenan in arid zones of Tunisia

Dynamiques d’ Acacia tortilis (Forssk.) Hayne subsp. raddiana (Savi) Brenan dans les zones arides de Tunisie

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Pages 121-126 | Published online: 30 May 2012

Figures & data

Fig. 1 Size-class distribution of Acacia tortilis subsp. raddiana trunk circumferences (cm). Fig. 1. Structure du peuplement d’Acacia tortilis subsp. raddiana en fonction de la circonférence du tronc.

Fig. 1 Size-class distribution of Acacia tortilis subsp. raddiana trunk circumferences (cm). Fig. 1. Structure du peuplement d’Acacia tortilis subsp. raddiana en fonction de la circonférence du tronc.

Fig. 2 Relationship between age and trunk circumference of Acacia tortilis subsp. raddiana. Fig. 2. Corrélation entre la circonférence du tronc et l’âge des individus d’Acacia tortilis subsp. raddiana.

Fig. 2 Relationship between age and trunk circumference of Acacia tortilis subsp. raddiana. Fig. 2. Corrélation entre la circonférence du tronc et l’âge des individus d’Acacia tortilis subsp. raddiana.

Table 1 Chemical properties of soils occurring under Acacia tortilis subsp. raddiana canopies and in open areas. Different letters denote significant differences between treatments (Tukey’s HSD-test at p < 0.05). Tableau 1. Effets d’Acacia tortilis subsp. raddiana sur les propriétés chimiques du sol.

Fig. 3 Temporal evolution of soil water content for two subhabitats (canopied and uncanopied). Mean values which are not followed by the same letter are statistically significant (Tukey’s HSD-test at p < 0.05). Fig. 3. Evolution de la teneur en eau du sol dans les deux sous-habitats (sous la canopée et hors la canopée).

Fig. 3 Temporal evolution of soil water content for two subhabitats (canopied and uncanopied). Mean values which are not followed by the same letter are statistically significant (Tukey’s HSD-test at p < 0.05). Fig. 3. Evolution de la teneur en eau du sol dans les deux sous-habitats (sous la canopée et hors la canopée).

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