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Sahara, Largest desert in the world, encompassing almost all of northern Africa.Covering an area of about 3.3 million sq mi (8.6 million sq km), it is bounded by the Atlantic Ocean, the Atlas Mountains, the Mediterranean Sea, the Red Sea, and the Sahel region.It includes portions of several countries, including Morocco, Algeria, Tunisia, Libya, Egypt, Mauritania, Mali, Niger, Chad, and Sudan.
Sahara - Flora, Fauna, Ecosystems: Saharan vegetation is generally sparse, with scattered concentrations of grasses, shrubs, and trees in the highlands, in oasis depressions, and along the wadis. Various halophytes (salt-tolerant plants) are found in saline depressions. Some heat- and drought-tolerant grasses, herbs, small shrubs, and trees are found on the less well-watered plains and ...
Localisation modifier Le désert du Sahara constitue une écorégion terrestre , selon la classification du Fonds mondial pour la nature (WWF), appartenant au biome des déserts et brousses xériques de l' écozone paléarctique . Elle comprend la partie hyper-aride du Sahara central, où les précipitations sont minimes et sporadiques, et exclut ses marges méridionales et septentrionales ...
5 de feb. de 2024 · The name Sahara itself comes from the Arabic word for desert. The English word desert comes from the Latin desertum, denoting a place that is forsaken, uninhabited or without people.In fact, the Sahara is far from uninhabited. The desert is located mainly in northern Africa, spread across 10 different countries (11 if you include Western Sahara, a disputed territory) and is therefore home to ...
THE SAHARA IS THE world's largest desert. Covering about 3,320,000 square mi (8,600,000 square km) it is roughly the size of the UNITED STATES. It extends across the whole of North Africa from the ATLANTIC OCEAN to the RED SEA, a distance of more than 3,500 mi (5,630 km). It stretches south for at least 1,200 mi (1,930 km).
The Sahara Desert crept 100 kilometers (39 miles) south between 1950 and 1975. South Africa is losing 300-400 million metric tons (330-441 short tons) of topsoil each year. Many countries are working to reduce the rates of desertification.
De Sahara (Arabisch : الصحراء الكبرى) ... Martin Williams, When the Sahara Was Green. How Our Greatest Desert Came to Be, 2021. ISBN 0691201625; Bronnen, noten en/of referenties. F. van Noten, Natuur en Techniek, 43-3 (1975) - blz 150 - 169: "De prehistorie van de Sahara"
