Issaouane Erg confined to basins. Sand in the Issaouane Erg, below the level of the sand dunes, has accumulated to a depth of 20 to 30 meters. It has barchan dunes as well as star dunes of 300 to 430 meters high. The presence of both barchan dunes (which form due to unidirectional winds) and star dunes (which form when winds from various directions deposit sand) "suggests that wind regimes have changed over time". NASA's "Earth Observatory" notes all three types of erg dunes are present in the photos of the Issaouane Erg taken from the International Space Station: stationary mega dunes,
Project of Translation from Arabic Project of Translation from Arabic The Project of Translation from Arabic (or PROTA) is an academic project initiated by Dr Salma Khadra Jayyusi in 1980 in order to translate, and publish, works of Arabic literature into the English language. The stated goal of PROTA is ""the dissemination of Arabic culture and literature abroad."" The project had its genesis in the late 1970s when Columbia University Press invited Jayyusi to prepare a large anthology of modern Arabic literature. Funding came from the Iraqi Ministry of Information and Culture. Two major anthologies came out of this early endeavour: "Modern Arabic Poetry" (1987)