jueves, 1 de septiembre de 2011

Tundra


Hi guys we are Arii & Sariis we do it  because we want that you have information about the beautifull biome THE TUNDRA









 
The tundra is a place colder and so prettier have a lot of animals such as: The polar bear, penguins, seals, sea lion, whales, caribou, reindeer, musk ox, wolf, arctic hare and lemmings.



Located: This biome is faunded in Canada, the North Pole, Alaska, South Pole and in many others, the blue parts are the tundra's of the world, the tundra occupies about a fifth of the land surface.


Tundra extends Primarily in the northern hemisphere: Siberia, Alaska, northern Canada, southern Greenland and the Arctic coast of Europe.
 
The tundra is the coldest, windiest and driest on the planet.


Temperature: Average temperatures range from - 15 ° C and 5 º C, and rainfall is low: about 300 mm per year

Vegetation: Is an habitat basically of two dimentions with shrubs, up to several meters  in the southern, the vegetation is crushed the floor (principally willows). In the north don't be vegetation because of increased climatic extremes, in the tundra the vegetation is lower because the lack of hot decreases growth of trees