Tundra

: Found at high elevations on mountains worldwide, above the tree line where overnight temperatures fall below freezing.

: Winters are long and dark, with temperatures dropping as low as , while brief summers remain cool, typically between

: Located on the Antarctic Peninsula and remote sub-Antarctic islands. Environmental Characteristics Tundra

: Located in the Northern Hemisphere, encircling the North Pole and extending south to the boreal forests of the taiga.

: This frozen layer prevents deep root systems and restricts drainage, often creating bogs, marshes, and shallow lakes during the summer thaw. : Found at high elevations on mountains worldwide,

There are three primary types of tundra, each defined by its geography and climate:

The tundra is the coldest of all Earth's biomes, covering approximately 20% of the planet's surface. Derived from the Finnish word tunturia , meaning "treeless plain," it is characterized by extremely low temperatures, minimal precipitation, and a permanently frozen subsoil known as . Key Regional Classifications : This frozen layer prevents deep root systems

: With less than 25 centimeters (10 inches) of annual precipitation, the tundra is functionally a "cold desert". Learning from the tundra - Schoodic Institute