​ Arctic Defined by Vegetation Zones

Arktisen alueen määritys, kasvillisuusvyöhykkeet Map credit: Conservation of Arctic Flora and Fauna. High and low Arctic terrestrial boundaries were defined by the Circumpolar Arctic Vegetation Mapping Project - Bioclimatic subzones. Sub Arctic boundary was defined by the Arctic Biodiversity Assessment (ABA).

 

The Arctic Region Defined by the Arctic Council Working Groups
Arktisen alueen määritys Arktisen neuvoston työryhmien mukaan 

AHDR: Arctic Human Development Report, four million people live inside this border.
AMAP: Arctic Monitoring and Assessment Programme Working Group
CAFF: Conservation of Arctic Flora and Fauna