Le Thuya de Berbérie (Callitris articulata) est l'espèce dominante du matorral qui couvre les versants du J. bou Kornine, terminaison septentrionale de la Dorsale tunisienne. L'A. suggère que cette collitrae est le résultat de la dégradation de la
the last four decades brought on by out-migration of local people from these marginal areas. Our results revealed that Berberis shrub encroachment started approximately three decades ago and attained a problematic cover approximately 15 to 20 years ago