Arctic tundra

Arctic tundra is the northernmost biome in the Earth (term “biome” refers to plants and animals distributed in defined area and climate zone) typical for islands (e.g. Spitsbergen, Greenland), and territories of some countries (e.g. Norway, Russia, Canada) in the Arctic.

Due to short growing season (approx. 50-60 days), strong winds, poor precipitation and types of soil plants grow up to few centimeters. The presence of the permafrost is thought to be the main cause of the lack of the trees and bushes in the tundra, because they are unable to develop their root system.

Typical for tundra are mosses, lichens (e.g. caribou moss – Cladonia rangiferina), grasses, dwarf shrubs (e.g. polar willowSalix polaris , and even flowers like Svalbard poppy (Papaver dahlianum).

Permafrost causes the lack of trees in tundra

Photo: Tundra on southern Spitsbergen, Piotr Andryszczak

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