http://www.ri.net/schools/West_Warwick/manateeproject/Tundra/Land.htm

http://www.rssweather.com/climate/Alaska/Anchorage/

https://en.m.wikipedia.org/wiki/Climate_of_Anchorage,_Alaskau

http://barrowalaska.weebly.com/abiotic-factors.html

https://en.m.wikipedia.org/wiki/White_sturgeon#Diet

https://ballotpedia.org/Endangered_species_in_Alaska

https://en.m.wikipedia.org/wiki/Steller_sea_lion

Sources