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Abiotic Factor


  • Rainfall may vary in different regions of the arctic. Yearly precipitation, including melting snow, is 15 to 25 cm (6 to 10 inches). Soil is formed slowly.


  • Tundra climates ordinarily fit the Köppen climate classification ET, signifying a local climate in which at least one month has an average temperature high enough to melt snow (0 °C (32 °F)), but no month with an average temperature in excess of 10 °C (50 °F).


  • Average annual temperatures is -58 °F
  • Permafrost is any soil or rock that remains frozen—below 32°F—throughout the year. For a soil to be considered permafrost, it must be frozen for at least two consecutive years or longer. Permafrost can be found in cold climates where the mean annual temperature is less than the freezing point of water. Such climates are found near the North and South poles and in some alpine regions.
  • Tundra is the coldest biome in the world.



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"Arctic Tundra Biome." Arctic Tundra Biome. Web. 22 Mar. 2016. <http://arctictundrarocks.yolasite.com/maps-and-locations.php>.