Worlds of David Darling
Encyclopedia of Science
   
Home > Encyclopedia of Science

tundra




The treeless plains of the Arctic Circle. For most of the year the temperature is than 0°C, and even during the short summer it never rises above 10°C. The soil is a thin coating over permafrost. Tundra vegetation includes lichens, mosses, and stunted shrubs. Similar regions on high mountains (but generally without permafrost) are called alpine tundra.


Related category

   • GEOLOGY AND PLANETARY SCIENCE