The Arctic region
An in-depth map showing the Arctic region, showing the continuous and discontinuous permafrost lines, the phytogeographic Arctic boundary, the limit of the data that has been provided by Conservation of Arctic Flora and Fauna (CAFF) members and other information.
01 Nov 2006 - by UNEP/GRID-Arendal
Permafrost loss in peatlands of northern Quebec, 1957-2003
Over recent years, the southern limit of permafrost in northern peatlands has retreated by 39 km on average and by as much as 200 km in some parts of the Canadian Arctic. Although regional warming by 1.32°C has accelerated permafrost thaw in northern Manitoba, Canada, these changes are not exclusively linked to temperature rise. The loss of permafrost in Quebec has been attributed to the insulating effect of increased snowfall since the late 1950...
17 Mar 2010 - by Hugo Ahlenius, GRID-Arendal & CAFF