Ad-Dahna Desert Ad-Dahna Desert The ad-Dahna Desert is the central division of the Arabian Desert. It is a corridor of sandy terrain forming a bow-like shape that connects an-Nafud desert in the north to Rub' al-Khali desert in the south. Its length is more than 1,000 km siding Twaik Mountains from the east and does not exceed 80 km in width. It is also considered the geographical margin separating Al-Ahsa Province from Najd. Al-Dahna Desert is therefore the string that connects the great deserts of Saudi Arabia. The desert is a series of seven successive deserts, separated from one another by plains.
Tanami Desert is classified as an interim Australian bioregion, comprising . According to government commissions, the Tanami desert is uniquely "one of the most important biological areas to be found in Australia particularly as it provides refuge for several of Australia's rare and endangered species." The species that are found include: Significant bird species include: There are several mines in the Tanami Desert including: The Tanami Desert is a Kukatja and Walpiri country. The Tjurabalan live at the edge of the desert. In July 2012, of the desert area (38% of the total bioregion) was declared an indigenous protected area or conservation