Vegetation productivity, expressed as summer NDVI, in low-arctic Varanger peninsula. Full black lines show the fenced border between the two reindeer herding districts on the peninsula.
Transition from birch forest in Varangerbotn to low-arctic tundra towards north, along the river Álljaveaijohka. Photo: Geir Vie
Larvae of the species autumnal moth (left) and winter moth (right) has led to a substantial forest death the last decades. Photo: Jon Aars
The Norwegian lemming is a key species in the tundra ecosystem and unpredictable lemming cycles is negative for the critically endangered arctic fox. Photo Rolf. A Ims