Climate And Vegetation of Africa South of the Sahara

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Climate And Vegetation of Africa South of the Sahara

  1. 1. Climate and Vegetation in Sub-Saharan Africa
  2. 2. Directions <ul><li>Create a Four-Door Foldable </li></ul><ul><li>Use the labels on the example shown here </li></ul><ul><li>Take Notes inside the correct door </li></ul>
  3. 4. What Determines Climate? <ul><li>Rainfall </li></ul><ul><li>Ocean Currents </li></ul><ul><li>Prevailing Winds </li></ul><ul><li>Elevation </li></ul><ul><li>Latitude </li></ul><ul><li>MOST IMPORTANTLY - most of the region lies within the tropics </li></ul>
  4. 5. Tropical Climates:Rain Forest <ul><li>Wettest climate in region </li></ul><ul><li>Near the equator </li></ul><ul><li>Warm temps. </li></ul><ul><li>60 inches of annual rainfall </li></ul><ul><li>Canopy trees grow up to 150 ft </li></ul>
  5. 6. Human - Environment Interaction <ul><li>Rain leaches soil </li></ul><ul><li>Can still grow cash crops: banana, pineapples, cocoa, tea, coffee, palms for oil, rubber and cotton </li></ul><ul><li>Rain forest threatened by farmers and loggers </li></ul>
  6. 11. Tropical Savannas <ul><li>Grasslands w/scattered trees </li></ul><ul><li>Cover almost 1/2 of Africa </li></ul><ul><li>Seasonal rainfall - wetter near equator </li></ul><ul><li>Dry air from Sahara carried by harmattan drys moisture </li></ul><ul><li>Grass as tall as 15 ft </li></ul>
  7. 14. Serengeti Plains
  8. 20. Dry Climates: Steppe <ul><li>Semi-arid land between savannas and deserts </li></ul><ul><li>Northern steppe is called the Sahel </li></ul>
  9. 21. Sahel <ul><li>Means “shore” - represents “coast” of the Sahara </li></ul><ul><li>Dry land between Senegal and Sudan </li></ul><ul><li>Expanding due to decline in rain, climate change, overgrazing and population growth </li></ul>
  10. 24. Desert <ul><li>South - Namib and Kalahari </li></ul><ul><li>North - Sahara </li></ul><ul><li>Kenya and Somalia are mostly deserts in the east </li></ul>
  11. 25. Namib Desert
  12. 26. Kalahari

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