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Published byCalvin Sanders Modified over 9 years ago
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The Deserted Area Courtney Hummel, Matt Orehek and Rebecca Adler
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Sahara Desert Located in Northern Africa
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Landscape Sand dunes, sand seas, barren stone plateaus, gravel plains, dry valleys and salt flats
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Climate and Seasons Dry, subtropical climate in North Africa Constant high-pressure cells over the tropic of Cancer Cold, mild, dry winters Summers are extremely and unpleasantly hot Average yearly rainfall 3 inches
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Unique Features Desert takes up 1/3 of Earth’s landmass Sahara desert is 10% of the world Desert varnish-biochemical phenomenon of coloring on a rockface as a chemical reaction between microscopic bacteria and metal in the atmosphere such as iron and manganese
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Plants Species known as xerophytes – Adapted to a limited supply of water African welwitchsia eragrostis thyme
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Animals Sahara desert only has 500 species Some of the oldest species in the world Camel hyena Scorpion gazelle ostrich
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Animal Adaptation Camels show an adaptation because they are able to go a long time without food or water while maintaining strength and endurance
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Tourism Dchira-ruins of the Spanish fort; forbidden by the Moroccan government Antoine de St. Expuxert-museum named after a young writer who was the leader of the base at Tarfaya; wrote the Little Prince DchuraAtoine de St. Expuxert
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Tourism Biggest tourism attraction is safari
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Critical Issue Unpredictable rainfall is a major issue – Inhabitants rely on crops, which rely on water – The more trees and other plants that get cut down, the less rainfall there is – Rainfall can increase or decrease the size of the desert – Less rainfall creates airborne dust
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