Vegetation is rare, and this ecoregion consists mostly of sand dunes (erg, chech, raoui), stone plateaus (hamadas), gravel plains (reg), dry valleys (wadis), and salt flats.
এই অঞ্চলটো মূলত: বালিৰ স্তুপ (sand dune), sand seas (erg), stone plateaus (hamada), gravel plains (reg), শুকান উপত্যকা ( dry valleys), আৰু salt flats (shatt or chott).