South Saharan steppe and woodlands
…northern Africa. This band is a transitional region between the Sahara's very arid center (the Sahara Desert ecoregion) to the north, and the wetter Sahelian Acacia savanna ecoregion to the south. In pre-modern times, the grasslands were grazed by migratory gazelles and other ungulates after the rainfalls. More recently…