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Grass  Lands  Power  Point
Grass  Lands  Power  Point
Grass  Lands  Power  Point
Grass  Lands  Power  Point
Grass  Lands  Power  Point
Grass  Lands  Power  Point
Grass  Lands  Power  Point
Grass  Lands  Power  Point
Grass  Lands  Power  Point
Grass  Lands  Power  Point
Grass  Lands  Power  Point
Grass  Lands  Power  Point
Grass  Lands  Power  Point
Grass  Lands  Power  Point
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Grass Lands Power Point

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Transcript

  • 1. Tall Grass Prairies By Emily Ruth, Jesse, Desiree
  • 2. Where is it…?
  • 3. Between the Mississippi River and Nebraska
  • 4. Climate Conditions
  • 5. <ul><li>receive about 10 inches in the west and 30 inches in the east of rain per year </li></ul><ul><li>Growing Season </li></ul><ul><ul><li>Late Spring to early fall </li></ul></ul><ul><ul><li>50 degree F to 70 on average </li></ul></ul><ul><li>Dormant Season </li></ul><ul><ul><li>Late fall to early spring </li></ul></ul><ul><ul><li>-40 degree F to 50 degree F </li></ul></ul><ul><li>Tall trees are not able to grow here because there is not enough precipitation </li></ul>
  • 6. Soil?
  • 7. <ul><li>dark brown or black in color </li></ul><ul><li>soils have formed under grassland vegetation </li></ul><ul><li>heavily influenced by the closely matted roots in the dense sod of the thick-growing grasses </li></ul><ul><li>roots eventually decay underground putting nutrients back into the soil, making it richer </li></ul>
  • 8. Plant & Their Adaptations
  • 9. <ul><li>Asters, sunflowers, crazy weeds, blazing stars, cone flowers, goldenrods, clover, wild indigo, corn and wheat </li></ul><ul><ul><li>Corn and wheat can store water, allowing them to survive through droughts </li></ul></ul><ul><li>Forbs: stems are soft to bend in the wind </li></ul><ul><li>narrow leaves that lose less water </li></ul><ul><li>have very extensive and deep root systems to accumulate water </li></ul><ul><li>wildflowers have a very upright form in order to compete for sunlight. </li></ul><ul><li>grow close together that allow for the plants to support each other </li></ul>
  • 10.  
  • 11. Animal & Their Adaptations
  • 12. <ul><li>EX: Eagles, gray wolves, crickets, bison, deer, rabbits, and small rodents and insects </li></ul><ul><li>Many are burrowing animals </li></ul><ul><ul><li>Security from the weather so their young can grow </li></ul></ul><ul><ul><li>A place to live </li></ul></ul><ul><li>Travel in large herds </li></ul><ul><li>Larger animals have thick fur to protect them from harsh winters </li></ul>
  • 13.  
  • 14. Negative Human Impact <ul><li>Acquisition of Louisiana Purchase though to be useless grasses </li></ul><ul><li>Planted non native plants for value ex; wheat and corn </li></ul><ul><li>Eliminated the native species </li></ul><ul><li>Now only 4% natural plants remain </li></ul><ul><li>Eliminated biodiversity </li></ul>

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