Definitions of the Arctic Region

According to Vegetation Zones

• Map: Arto Vitikka, Arctic Centre, University of Lapland.
• 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).
• 10 C July Isotherm: USGS 2023.
• Border data: Runfola, D. et al. (2020) geoBoundaries: A global database of political administrative boundaries. PLoS ONE 15(4): e0231866. https://doi.org/10.1371/journal.pone.0231866e.
• Map created with QGIS.
•  The map can be freely used, provided the credits are mentioned

Definitions by Arctic Council’s Working Groups

• Map: Arto Vitikka, Arctic Centre, University of Lapland. 
• AHDR: Arctic Human Development Report, four million people live inside this border.
• AMAP: Arctic Monitoring and Assessment Programme.
• CAFF: Conservation of Arctic Flora and Fauna
• Border data: Runfola, D. et al. (2020) geoBoundaries: A global database of political administrative boundaries. PLoS ONE 15(4): e0231866. https://doi.org/10.1371/journal.pone.0231866e.
• Map created with QGIS.
• The map can be freely used, provided the credits are mentioned.