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Taming the Spreading Desert What are deserts?
What are deserts? • dry areas • with annual rainfall of less than 250 mm • with little or no vegetation • sandy, stony or rocky surface
Types of deserts • Deserts can be divided into 2 types according to climate: • tropical deserts • temperate deserts
Distribution of deserts Great Australian Desert Patagonian Desert Gobi desert Arabian Desert Taklimakan Desert SW USA Desert Sahara Desert
World deserts Tropical deserts (15-30ºN, 15-30ºS)
World deserts Temperate Deserts (35-45ºN, 35-45ºN)