Desertification is a major environmental hazard that the world facing today and threat in arid semi-arid regions. This research was carried out Dukku Local Government Area, Gombe State to assess rate of desert encroachment study area. The based on satellite imagery using GIS analysis. multi-temporal acquired from Land Sat images 2000TM, Landsat image ETM 2010 2020 OLI vegetation cover. NDVI (No...