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Mapping Ecosystem Services from Colombia's Putumayo Region to Inform a Compensation Scheme to Establish Silvopastoral Systems Key Message The rain and cloud forests of Colombia's Upper Putumayo area are becoming increasingly exposed to agriculture, ranching, and infrastructure growth. These activities can have adverse effects on water supply and quality, soil erosion, carbon capture and sequestration, and biodiversity. The additional effects from climate change intensify these effects and may have serious consequences for future ecosystem services provide, development and livelihoods. InVEST was utilized to map the main ecosystem services to the region, so as to spot the regions supplying the greatest supply of people-benefitting ecosystem services and the solutions vulnerable to degradation from the effects of climate change. Areas with the best concentration of ecosystem services or maximum degree of degradation in the consequences of climate change can then be considered as priority sites such as activities targeted at preserving the benefits that these ecosystem services supply. Two such actions are: 1) that the institution of silvopastoral systems, which comprise strategically tree or tree productive species cover on ranchlands; and 2) compensation and rewards for ecosystem services schemes, which create incentives for better land management. What's the problem? The Sibundoy valley with 46,000 ha is located into the Andean Amazon piedmont, Colombia's Upper Putumayo area (Fig 1.) Endowed with a wealth of biodiversity and natural sources (Barthlott et al. 1996, Gentry 1988). No matter how the ecosystem services around these richness area face three interlinked issues: 1) agriculture and ranching operatio...