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A Bacia do Rio Ribeira do Iguape, com sua imagem usualmente associada à preservação ambiental, às cavernas, ao extrativismo e aos povos tradicionais (quilombolas, índios, pescadores), é aqui reapresentada, descrevendo importantes áreas geoeconômicas da mineração, das monoculturas comerciais e das obras hidráulicas. O rio principal ainda não foi barrado por usinas hidrelétricas, que estão instaladas nos afluentes e somam uma capacidade elétrica de 540 megawatts. A maior delas, o sistema Capivari-Cachoeira, construído há quarenta anos, é baseada numa transposição de vazões entre a Bacia do Alto Ribeira e o litoral paranaense, com fortes consequências ambientais negativas no trecho paulista do Rio Pardo e do Ribeira, e na Baía de Antonina, não reconhecidas no licenciamento ambiental da usina. É previsível o agravamento da situação ambiental da região, caso se concretizem no futuro outras hidrelétricas previstas para a Bacia do Ribeira do Iguape. The image of the Ribeira do Iguape basin is usually linked to environment protection, to the natural caverns and to the traditional people communities ("quilombolas", from the ancient slaves, the native Indians, the fishermen). We draw here another diagnosis, lightening up important geo-economic issues, as the mining fields, the plantations and the hydraulic works. The main river has not yet been dammed for hydro - power plants, located in its tributaries, featuring an amount of 540 Megawatt capacity. The more impressive one, named Capivari - Cachoeira system, built forty years ago, is based on a flow derivation from the high Ribeira basin to the coastline of the Paraná state. Its consequences are negative down stream until the rivers Pardo and Ribeira, in the Sao Paulo State; and in the other side, it also affects far away the Antonina Bay. As these damages were not recognized during the licensing process of this power plant. We launch an alert about the environment degradation of this region, in the case if some other hydroelectric projects would achieve in the future

Transposição e hidrelétricas: o desconhecido Vale do Ribeira (PR-SP)