végétation (1) pollen (1) couverture spatiale (SIG) (1) pays (1) climat (1) Parts (1) Area (1) Parts (1) Area (1) Northern Hemisphere (1) Pollen (1) Plants (1) Land use (1) Climatology (1) Climate (1) Change (1) Land cover (1) Universe (1) Pollen (1) Climate (1)