Landbrug
Kort-kilde:
Agricultural Lands in the Year 2000 (M3-Cropland and M3-Pasture Data), Land Use and Global Environmental Change, Department of Geography, McGill University.
Described in the publication, Ramankutty et al. (2008), "Farming the planet: 1. Geographic distribution of global agricultural lands in the year 2000", Global Biogeochemical Cycles, Vol. 22, GB1003, doi:10.1029/2007GB002952.