GEOGRAPHY CHAPTER 10 LIFE IN THE DESERTS
THE HOT DESERT-SAHARA Look at the map of the world and the continent of Africa. Locate the Sahara desert covering a large part of North Africa. It is the world's largest desert. It has aq area of around 8.54 million sq. km. Do you recall that India has an area of 3.2 million sq. km? The Sahara desert touches eleven countries. These are Algeria, Chad, Egypt, Libya, Mali, Mauritania, Morocco, Niger, Sudan, Tunisia and Western Sahara. Fig. 10.1: The Sahara Desert When you think of a desert the picture that immediately comes to your mind is that of sand. But besides the vast stretches of sands, that Sahara desert is covered with, there are also gravel plains and elevated plateaus with bare rocky surface. These rocky surfaces may be more than 2500m high at some places.
Algeria WESTERN SAHA Mauritania Mal Sudan Chad Dibout Faso Guinea Bissau Ethiopia Cote Ghana Central African Republic Leone Sudan Togo
Climate The climate of the Sahara desert is scorching hot and parch dry. It has a short rainy season. The sky is Al Azizia in Saharacloudless andlear. Here, the moisture evaporates desert, south of Tripoli. faster than it accumulates. Days are unbelievably hot. The temperatures during the day may soar as high as highest temperature of50 C, heating up the sand and the bare rocks, which in turn radiates heat making everything around hot. The nights may be freezing cold with temperatures Do you bnow Libya recorded the 57.7 C in 1922 nearing zero degrees. Flora and Fauna Vegetation in the Sahara desert includes cactus, date palms and acacia. In some places there are oasis-green islands with date palms surrounding them. Camels, hyenas, jackals, foxes. scorpions, many varieties of
People The Sahara desert despite its harsh climate has been inhabited by various groups of people. who pursue dillerent activities. Among them are the Bedouins and Tuaregs. These groups are nomadic tribes rearing livestock such as goats, sheep, camels and horses These animals provide them with milk. hides from hich they make leather for belts, slippers, water bottles: hair is used for mats, carpets, clothes and blankets. They wear heavy robes as protection against dust storms and hot winds. The oasis in the Sahara and the Nile Valley in Egypt supports settled population. Since water is available, the people grow date palms. Crops such as rice, wheat, barley and beans are also grown. Egyptian cotton, famous worldwide is grown in Egypt. tuareg's are west african roughot the world in Algeria, Libya and Egypt is alsoncaleoluesameMert. Other minerals of importance that are found in the area include
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