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The Arctic Tundra!
Transcript of The Arctic Tundra!
Extremely cold climate
Low biotic diversity
Simple vegetation structure
Short season of growth and reproduction
Energy and nutrients in the form of dead organic material
Tundra is found mostly in the Northern Hemisphere. In the southern hemisphere it is found on isolated islands off the coast of Antarctica as well as the Antarctic peninsula itself.
This tundra has the least amount of vegetation of any biome. Most of the plants that grow there are low lying plants such as shrubs, bushes, and lichen.
Animals that live in the arctic tundra include polar bears, arctic foxes, caribou, and snowy owls. They have thick fur to protect them from the harsh conditions in the far north. This is a sub cycle of the carbon cycle. When animals and plants die, microbes feed on the organic matter and release the carbon back into the cycle. However, in the Arctic Tundra the dead matter becomes frozen and cannot be decomposed and therefor the carbon is taken out of the cycle. With the global warming that is taking place now, a lot of the permafrost in the tundra is melting and is being released back into the cycle. This could be a problem because with all of the carbon that has been taken out of the cycle being put back in we have no way of knowing how it will effect the cycle or in which form it will return-carbon dioxide (C2) or Methane (CH4). In addition to adding carbon back into the cycle the permafrost carbon cycle can also add excess nitrogen into the cycle that has been frozen. Carbon Cycle Through Animals Laydon Hutchins
Kaitlyn McMinn In the Arctic Tundra, the carbon cycles through the atmosphere and the organisms on the ground such as lichen, arctic hares, and arctic foxes. The plants take in carbon dioxide from the atmosphere, then the primary consumers, such as arctic hares, eat the plants and thus take carbon from the plants. Then the higher level consumers, such as arctic foxes, eat the primary consumers and thus take a portion of the carbon it had obtained. While the consumers are alive, they release carbon into the atmosphere through respiration. After the consumers and plants die, then decomposers break them down and release carbon back into the environment. Where is it found? Vegetation Animals Carbon stored in the arctic permafrost What are the impacts on the future arctic climate system?. Retrieved from http://www.colorado.edu/geography/class_homepages/geog_4271_f10/presentations/Carbon_Storage_GEOG5271.pdf
Chm 110 - chemistry and issues in the environment. (1995, April 09). Retrieved from http://www.elmhurst.edu/~chm/onlcourse/chm110/chm110.HTML
Kids crossing cycles of the earth system. (n.d.). Retrieved from http://eo.ucar.edu/kids/green/cycles1.htm
Making the forest and tundra wildlife connection. (1991, January 14). Retrieved from http://alaska.fws.gov/fire/role/unit1/making_connection.cfm
Permafrost carbon cycle. In (2012). A. McGuire (Ed.), Wikipedia Foundation, Inc. Retrieved from http://en.wikipedia.org/wiki/Permafrost_carbon_cycle
Sagoff, G. (2000). thawing tundra a new climate threat. 1-1. doi: http://www.anl.gov/articles/thawing-tundra-new-climate-thret