Found on either side of the equator Found on the edges of tropical rainforests Found in India, South...
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Tundra’s Savanna’s
Daniel VoughtElizabeth Harrington
Janice Eda
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SAVANNATundraFound on either side of the equator
Found on the edges of tropical rainforests
Found in India, South America, Australia, but mostly in Africa
Located 55° and 70° North
Found in the Northern Hemisphere.There are Tundra-like areas found in Antarctica, but are not a true tundra’s.
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Savanna Climate• savanna• Climate: warm or hot temperatures • annual rainfall of 20-50 inches per year• concentrated rainfall in 6-8 months• long drought period invoking fires
– Climatic Savannahs: result from climatic conditions of distinct wet and dry seasons– Edaphic Savannahs: caused by soil conditions preventing deep root systems– Derived Savannahs: result of people clearing land for cultivation– Regions: Acacia savannahs: east Africa
• Grass savannah: Serengeti Plains• Pine savannah: occur on sandy soils in Central America
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Climate
• Tundra• Climate: 6-10 months winter season with
temperatures below freezing• Annual rainfall of 5-10 inches• Short growing season• Soil: relatively unknown due to permafrost
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Vegetation
Acacia Senegal-Small sized thorn tree located in the African Grassland
Bermuda Grass- Common type of grass through the Savannas of Africa
Gum Tree Eucalyptus-commonly in the plains and savannas of Australia. Can grow 20-30 feet
Caribou Moss-actually a lichen not a moss.Caribous and reindeer feed on it.
The Yellow Tundra Flower.
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Vegetation for Tundra• Soil: relatively unknown due to permafrost• Vegetation: protected by snow cover in winter• Ground-hugging and warmth preserving plants:• Dwarf shrubs, sedges, mosses, lichens• Arctic Tundra: Encircles the north pole and usually contains frozen subsoil• High Arctic Tundra: confined to islands of the Arctic Ocean characterized by perennial forbs, • Mosses, and lichens• Middle Arctic Tundra: Arctic Coastal plain with freeze/thaw activity• Low Arctic Tundra: woody shrubs, willow, birch and needleleaf evergreen• Alpine Tundra: located on mountains at high altitudes• Well-drained soil• Unable to sustain tree life• Tussock grasses, dwarf trees, small-leafed shrubs, heaths
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Vegetation and Soil
• Savanna• Soil: porous• Low fertility• Rapid water drainage• Thin layer of humus• Laterization: created by alternating wet and dry
seasons • exposes the lateritic soils to the sun• makes the ground impermeable to water• prevents root penetration• inhibits tree growth
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Life In the Tundra
Arctic Fox
Polar Bear
Caribou
Elk
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Graphics and info from
• http://www.blueplanetbiomes.org/tundra.htm
• http://www.Ucmp.berkley.edu• http://www.runet.edu• http://www.wikipedia.org