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FLORISTIC DIVERSITY OF THE GROUPING AT PISTACIA ATLANTICA IN THE REGION OF NAÂMA (ALGERIA)
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Floristic inventory carried out on grouping range at Pistacia atlantica in southern region of Naama makes it possible to identify 135 taxa, divided into 36 families and 105 genera. This large specific diversity, belong to 36 botanical families, best represented (48%) being Asteraceae, Poaceae, Fabaceae and Brassicaceae. The biological analysis shows predominance of Therophytes with 68 species, i.e. 50%. This predominance is characteristic of arid regions vegetation which adapt to saharan and steppe environment. The biogeographic analysis reveals a predominance of three biogeographical types (mediterranean, saharan and endemic) with a rate of 64% or 87 species. This biogeographic distribution reveals floristic heterogeneity and confirms mediterranean affinity of region flora, which combines three sets: high steppe plains, saharan atlas and Saharan border to South.
Asociatia Romana de Pteridologie
Title: FLORISTIC DIVERSITY OF THE GROUPING AT PISTACIA ATLANTICA IN THE REGION OF NAÂMA (ALGERIA)
Description:
Floristic inventory carried out on grouping range at Pistacia atlantica in southern region of Naama makes it possible to identify 135 taxa, divided into 36 families and 105 genera.
This large specific diversity, belong to 36 botanical families, best represented (48%) being Asteraceae, Poaceae, Fabaceae and Brassicaceae.
The biological analysis shows predominance of Therophytes with 68 species, i.
e.
50%.
This predominance is characteristic of arid regions vegetation which adapt to saharan and steppe environment.
The biogeographic analysis reveals a predominance of three biogeographical types (mediterranean, saharan and endemic) with a rate of 64% or 87 species.
This biogeographic distribution reveals floristic heterogeneity and confirms mediterranean affinity of region flora, which combines three sets: high steppe plains, saharan atlas and Saharan border to South.
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