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Arctic Biome/Tundra

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Kathleen Hodge

on 25 March 2013

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Transcript of Arctic Biome/Tundra

Where? Found across Northern Alaska, Canada, and Siberia

Long cold winters, and short cool summers Permafrost Under-layer of soil that remains frozen at all times
Allows very little room for deep rooting plants and trees

The plants that do survive the harsh arctic climate have roots that are close to the surface of the hard soil to intake what small amount of water that hits the ground Less than ten inches of precipitation per year and dry winds

The weather conditions of the Arctic Tundra make it seem a dessert-like climate

During the summer the sun shines almost 24 hours a day which has been called "The land of the midnight sun" Arctic Biome/Arctic Tundra Kathleen Hodge Climate The average temperature during the summer ranges from 3°C to 12°C

There are several weeks in the Winter where the sun never rises

The average temperature is around -28°C and can go to extremes of -70°C Life There are around 1700 species of plants
ex: mosses, lichens, low-growing shrubs, and grasses-but no trees. "tundra" is a Finnish word which means "treeless"

There are only 48 land mammals that make this habitat their home

ex: Arctic foxes, Arctic hares, caribou, ermine, lemmings, musk oxen, polar bears, porcupines, Arctic shrews, squirrels, voles, weasels, wolves, snowy owls, snow geese Arctic Fox The Arctic Fox has short ears
and a short, round body with a thick coat to minimize the amount of skin exposed to
the frigid air.
The fur is white during the winter and gray-brown in the summer

The long, bushy tail, (sweep), helps the fox change direction quickly and keeps the fox's feet and nose warm when it curls up to sleep Arctic Fox Climate Threats There are several threats to the populations of animals that live in the Tundra

Mining and oil drilling are increasing habitat loss
Hunting and climate change as well
Arctic Fox is an endangered animal Sources http://www.cotf.edu/ete/modules/msese/earthsysflr/tundra.html
http://www.enchantedlearning.com/biomes/tundra/tundra.shtml Image Sources http://images.nationalgeographic.com/wpf/media-live/photos/000/063/cache/map-world-tundra_6368_600x450.jpg
http://www.timolson.com/1994%20Trip/Around%20Norway/album/slides/most%20of%20this%20trip%20we%20were%20in%20the%20land%20of%20the%20midnight%20sun.jpg http://3.bp.blogspot.com/-3OlKxOHIUX4/UFY2teDPVdI/AAAAAAAAMM8/ZswrcbeCteY/s1600/Arctic+Fox+on+Sea+Ice,+North+Slope+Near+Arctic+Ocean,+Alaska.jpg
http://econews.com.au/wp-content/uploads/2012/09/arctic-ice.png BIO 112-5703
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