Within the Holarctic realm, there are a variety of ecosystems. The type of ecosystem found in a given area depends on its latitude and the local geography. In the far north, a band … See more

The continuity of the northern parts of the Holarctic results from their shared glacial history. During the Pleistocene (Ice Age), these areas were … See more

As the Holarctic is an enormous area, it is subject to environmental problems of international scale. The primary threats throughout the region result from global warming See more

A variety of animal species are distributed across continents, throughout much of the Holarctic realm. These include the brown bear, grey wolf, red fox, wolverine, moose, caribou, golden eagle and common raven.
The brown bear (Ursus arctos) is found in mountainous and … See more

The threats to the Holarctic realm are not going unrecognized. Many efforts are being made to mitigate these threats, with the hope of preserving the biodiversity of the region. International agreements to combat global warming may help to lessen the See more