Bibliography (Works Cited)
http://www.polarbearsinternational.org/
http://www4.uwsp.edu/geo/faculty/ritter/glossary/A_D/arctic_tundra.html
http://www.blueplanetbiomes.org/tundra_plant_page.htm
http://maybank.tripod.com/Canada/Yukon-06-2007.htm
http://animals.nationalgeographic.com/
http://thetundrasite.blogspot.com/2010/04/decomposers.html
https://biomesfirst.wikispaces.com/Tundra
http://www.cnn.com/2012/09/25/opinion/boelman-arctic-tundra/
http://www.blueplanetbiomes.org/tundra.htm
http://environment.nationalgeographic.com/environment/habitats/tundra-profile/
http://en.wikipedia.org/wiki/Tundra
http://www.adfg.alaska.gov/index.cfm?adfg=tundra.main
http://environment.nationalgeographic.com/environment/habitats/tundra-threats/
http://www.iucnredlist.org/details/8239/0
http://na.unep.net/geas/newsletter/Mar_11.html
http://earthobservatory.nasa.gov/Experiments/Biome/graphs.php#tundra
http://www4.uwsp.edu/geo/faculty/ritter/glossary/A_D/arctic_tundra.html
http://www.blueplanetbiomes.org/tundra_plant_page.htm
http://maybank.tripod.com/Canada/Yukon-06-2007.htm
http://animals.nationalgeographic.com/
http://thetundrasite.blogspot.com/2010/04/decomposers.html
https://biomesfirst.wikispaces.com/Tundra
http://www.cnn.com/2012/09/25/opinion/boelman-arctic-tundra/
http://www.blueplanetbiomes.org/tundra.htm
http://environment.nationalgeographic.com/environment/habitats/tundra-profile/
http://en.wikipedia.org/wiki/Tundra
http://www.adfg.alaska.gov/index.cfm?adfg=tundra.main
http://environment.nationalgeographic.com/environment/habitats/tundra-threats/
http://www.iucnredlist.org/details/8239/0
http://na.unep.net/geas/newsletter/Mar_11.html
http://earthobservatory.nasa.gov/Experiments/Biome/graphs.php#tundra