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Tropical Savanna By Megan Burcham &Angie Warns
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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
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Grassland usually scattered with trees or shrubs Locations: Africa, India, Australia, South America
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WET October October - March 68 68 – 86 degrees (F) 1000 1000 – 2000 mm of rain High High humidity and calm winds DRY April - September April - September 50 – 68 degrees (F) 50 – 68 degrees (F) Below 100 mm of rain Below 100 mm of rain Low humidity and calm winds Low humidity and calm winds
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Recurring natural factor weather human impact
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Why would humans want to start fires in the Savanna? Open land poachers Create new, fresh, green grass produce more plants The results...
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How weather influences fire How weather influences fire Heat Lightning Dry Wind Seasonal leaf fall
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Results from Fire Animals Plants / grasses Trees / shrubs
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Animals that inhabit the Savanna Lions Zebras Giraffes White Rhinos Elephants
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Effects of Fire towards animals Burns vegetation Migration Smoke Kills insects More, more, more!
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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)
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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
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