Suivi de l'évolution des pâturages du Sahel malien

Abstract

Satellite remote sensing associated to agrometeorological modelling allows an evaluation of the natural Sahel pasture lands at the end of the rain season aiming at better management and utilization.

Nutrient losses by wind and water, measurements and modelling

“…The loamy sand layer has been trapped with branches by the farmers who wanted to start cultivating this area. The dune site is part of an old and flattened dune band that belongs to an extensive sand dune system, which is more than 40,000 years old (Courel, 1977). The borders of the field at the dune site are demarcated with trees, not forming a continuous row as in a wind barrier.…”