Fig. 6

Estimated historical changes in natural vegetation extent due to clearing for croplands in Southeast Asia. Changes in areas are presented relative to the 1700 area. Diamonds represent original forest or woodland, inverted triangles represent original savanna, grass or steppe, cubes represent abandoned croplands initially in forest or woodland biomes, circles represent abandoned cropland initially in savanna, grass or steppe and triangles represent croplands. Data extracted from Ramankutty and Foley30.