In a context of climate change characterized by rising temperatures, increased greenhouse gases and frequent droughts, the Sahel is presented as one most vulnerable areas to adverse effects change. The objective this study assess above-ground biomass carbon stock three Sahelian species: Acacia raddiana tortilis (Forsk.) hayne ssp. (savi) Brenan, senegal (L.) Willd Balanites aegyptiaca (L.). was...