In Moyobamba city, the water supply in quantity and quality necessary for the human· consumption, as well as for the agricultura! and industrial use there is turning into a problem increasingly serious, caused principally for the forest loss, into the areas of conservation, which reduces the available quantity of water in epoch of low water and in consequence affects his quality. Natural ecosystems generate multiple benefits, including the provision of water, soil conservation, the beauty of the landscape as a space for recreation, habitat for flora and fauna, as well as the purification of the air and the carbon fixation. Faced with this problem is implementing a mechanism of "Compensation for Ecosystem Services" (CES), which is a mechanism to finance the conservation of biological diversity and ensure the supply of ecosystem services; the conservation area of the microwatersheds Rumiy...