Abstract
The River the La Plata Basin (3.17 x 106 km2; 22,000 m3 s-1) is the second largest one in South America, after the Amazonian, and drains part of the Brazilian, Bolivian, Argentinean, Paraguayan and Uruguayan territories. A major human impact in this basin is the construction of large dams for electric production. In case of Brazil, with one of the largest hydraulic potential in the world,…