Large parts of the Arctic tundra are characterized by more or less dense shrub vegetation. Photo: Miko Fox Photography via Flickr (CC BY-NC-SA 2.0) Vegetation in the Arctic has to withstand very harsh conditions, with all kinds of adaptations against cold, drought and...
High Arctic vegetation hardly grows in height because of the extreme cold. Shrubs and trees, like this polar willow in East Greenland, stretch their branches along the ground instead. Photo: Julia Hager The Arctic and high mountain regions in the northern hemisphere...