Colombia - Pre-Hispanic Hydraulic System of the San Jorge River

Municipality of San Marcos, Sucre N8 39 36.28 W75 7 48.15 Municipality of San Benito Abad, Sucre N8 55 45.37 W75 1 35.78 Municipality of Mompox, Bolívar N9 14 17.53 W74 25 29.01 The Hydraulic System of the San Jorge River occupies an area commonly known as Depresión Momposina (Momposina Depression) or La Mojana, where approximately 430.000 people live spread over eleven municipalities, of which nearly 80.000 live in rural areas and whose economic activity is based on fishing or agriculture, in a region with a relative humidity of 77% and an average temperature of 28.4 °C. This important ecosystem of the northern part of Colombia is made up by rainforests and tropical dry forests, swamps, wetlands, rivers, canals in an area that covers approximately 500.000 hectares of the provinces of Bolívar, Córdoba and Sucre, at the junction of the rivers Cauca, Magdalena and San Jorge, three of the country´s main waterways. Therefore, this is an internal delta whose importance can be compared with Mato Grosso in Brazil or the Senegal River located in the Southern Sahara.