Tropical Savanna - PowerPoint PPT Presentation

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Tropical Savanna

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Tropical Savanna. By Megan Burcham &Angie Warns. What is a biome? Region of plants and animals ... Grassland usually scattered with trees or shrubs ... – PowerPoint PPT presentation

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Title: Tropical Savanna


1
Tropical Savanna
  • By Megan Burcham Angie Warns

2
What is a biome?
  • Region of plants and animals
  • divisions that organize the natural world
  • Examples Tundra, Boreal forests, Temperate
    forests, Midlatitiude grassland, Chaparral,
    Desert, Tropical savanna, Tropical forests, Alpine

3
Tropical Savanna
  • Grassland usually scattered with trees or shrubs
  • Locations Africa, India, Australia, South America

4
CLIMATE
  • WET
  • October - March
  • 68 86 degrees (F)
  • 1000 2000 mm of rain
  • High humidity and calm winds
  • DRY
  • April - September
  • 50 68 degrees (F)
  • Below 100 mm of rain
  • Low humidity and calm winds

5
FIRE
  • Recurring natural factor
  • weather
  • human impact

6
Why would humans want to start fires in the
Savanna?
  • Open land
  • poachers
  • Create new, fresh, green grass
  • produce more plants

The results...
7
How weather influences fire
  • Heat
  • Lightning
  • Dry
  • Wind
  • Seasonal leaf fall

8
Results from Fire
  • Animals
  • Plants / grasses
  • Trees / shrubs

9
Animals that inhabit the Savanna
  • Lions
  • Zebras
  • Giraffes
  • White Rhinos
  • Elephants

10
Effects of Fire towards animals
  • Burns vegetation
  • Migration
  • Smoke
  • Kills insects

More, more, more!
11
What happens to the plants and grass?
  • Burn to the ground
  • strong, deep roots that hold starch
  • grows back when soil gets moist
  • Stops overgrowth of trees and shrubs

This is so cool! (imagine Dave soundings)
12
What happens to the trees and shrubs?
  • Some trees have fire resistant bark
  • Some trees die
  • takes a long time for trees and shrubs to grow
    back

13
WE DONE
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