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How Historical Factors affect Population Densities

How Historical Factors affect Population Densities. Brazil. Population Variations within Brazil. Coastal areas are more densely populated The Amazon Basin area has very low population density. Coastal Areas. High population densities Main cities; -Rio De Janeiro -Sao Paulo

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How Historical Factors affect Population Densities

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  1. How Historical Factors affect Population Densities Brazil

  2. Population Variations within Brazil • Coastal areas are more densely populated • The Amazon Basin area has very low population density

  3. Coastal Areas • High population densities • Main cities; -Rio De Janeiro -Sao Paulo -Brasilia

  4. Historical reasons for living near the coast • 16th century coastal areas were settled by Portugese colonists. • Trading towns were set up there • These grew into huge industrial cities • Portugese settlers also established large plantations along the coast. • African slaves were forced to work these plantations and grow cash crops

  5. Amazon Basin is sparsely populated • Home to indigenous tribes • Only 7% of Brazilian population live in this area • Hot, wet equatorial climate • Tropical rainforests • European colonists did not want to live in this area (Green Hell) • In recent years this region has come under threat

  6. Deforestation • Timber valuable (eg; mahogany- furniture) • Natural resources (mining) • Land cleared; -Cattle ranching -Soya plantations -Industrial plants -Road building

  7. Exam Question • With reference to one country you have studied, describe one region with a high population density and one region with a low population density. Explain the reasons for the population variations.

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