Analyse et Interprétation de quelques Traits Fonctionnels de la Flore des Pelouses Sèches des Traras (Tlemcen).

Abstract

A functional trait is a morphological, physiological or phonological characteristic having an indirect impact on the plant via its effects on its growth, reproduction and survival. The goal of our work is to carry out an analysis and synthesis of the traits functional data the sekkal2019 labor database. Bibliographic research is carried out on biology and chorology and pollination dry laws. In the present analysis, we were able to analyze a list of 501 species observed in the data list, with 263 genera, belonging to 51 families Asteacea, poaceae, fabaceae, Brassicaceae, lamiaceae group together 50% of the flora richness. Chorological analysisshow a predominance of Mediterranean origin at 57% followed by a good dispersion of endemics with 23%. From the analysis of the biological types we observe that the therophyte trait dominant where the pollination by entomogamy is 63%and by anemogamy it is 27% of this flora. The analysis of the pollination trait shows the predominance of entomogams with73% of all species.