In this study we tray to develop a methodology using remote sensing and geographical
information systems (GIS) to map zones presenting risks of water erosion in the
Watershed Ain Sefra ,region of NAAMA. And to produce a ...
Soil degradation in agricultural areas Stidia in Mostaganem linked to several factors, including what is the intervention of the human element of which is natural and, for example, has grown peasant land does not care what ...