-freezing winters,few hours of light, short and cold summers(below10º)
the variations can reach is 60º. -78º is the maximum
-scare precipitations,as snow
-above 60º in latitude to the poles.
-seasonal herbal vegetation(tundra) grows,surronded by ponds
-north asia and north america
-for every 100m,temperatures go down 0'64º.Several months have a negative data
-abundant,1000 or 2000mm.No dry months
-above 2000m in height
- the vegetation is adapted in different condictions,plants change in altitude
-rockies,andes, cantabrian mountains,pyreenes,sierra nevada.