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Sst project

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  • 1. Naturally occurring vegetation is known as natural vegetation.This vegetation grows without the interference of human beings. Natural vegetation is generally classified into three categories.
  • 2. These are:Forests grasslandsShrubs
  • 3. TROPICAL EVERGREEN FORESTSFound in the regions near equator or close to tropics.These regions receive heavy rainfall throughout the year.Thick canopy are found in these regionsMain trees: mahogany, ebony ,rosewood.The tropical evergreen forest in brazil is known as lungs of the earth
  • 4. FORESTSTropical deciduous forests/monsoon forestsAreas-India, Australia, central America.Temperate evergreen forestsAreas- USA, China, BrazilTemperate Deciduous forestsAreas- USA, China, ChileMediterranean forestsAreas-California in USA, Africa, AustraliaTaigaAreas-higher latitudes (50-70)of northern hemisphere
  • 5. GRASSLANDSImportant grasslands of the world:East Africa -SavannahBrazil-composVenezuela-llanosArgentina-pampasNorth America-prairiesSouth Africa-veldsCentral Asia-downs
  • 6. Life in prairies
  • 7. • The people of this region are very hard working, they mainly do cultivation, run milk dairies and make milk products.• It is a flat , gentle and sloping land.• Chinook is a hot wind that blows here.• They are also called granaries of world.as they produce a large amount ofwheat.
  • 8. Climate • Warm summer and cold winter • During winter a thick blanket of snow covers this regions. • Moderate climateThe prairies are tree less regions. Only willows, alderTrees are found here. Maize, cotton, alfa-alfa aregrown here. It is also famous for cattle rearing. Largecattle farms are called ranches and the person wholooks after them is cowboy
  • 9. DESERT• A desert is a landscape or region that receives an extremely low amount of precipitation, less than enough to support growth of most plants. Most deserts have an average annual precipitation of less than 400 millimeters .
  • 10. Human life in deserts• Some cultures have made hot deserts their home for thousands of years, including the Bedouin, Tuareg and Pueblo people. Modern technology, including advanced irrigation systems, desalinization and ai r conditioning have made deserts much more hospitable. In the United States and Australia for example, desert farming has found extensive use. Some people such as the Inuit have adapted to the harsh conditions of cold deserts.

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