Anthropogenic transformation of the biomes, 1700 to 2000
Ellis, Erle C.; Klein Goldewijk, Kees; Siebert, Stefan; Lightman, Deborah; Ramankutty, Navin. 2010. Anthropogenic transformation of the biomes, 1700 to 2000. Global Ecology and Biogeography 19: 589-606. [Download PDF]