A number of programmes support forestry but only one is aimed specifically at the reforestation of farmland. In the region of Calakmul, for example, Klepeis and Vance (2003) associate these subsidies with a higher rate of deforestation because they promote the cultivation of chili and pasture, and increase the clearance of mature forest to obtain soils suitable for crops. Abizaid and Coomes (2004) and Isaac-Marquez et al. (