Wildlife catastrophe at Amazon dam a warning for future Tapajós dams

Wildlife catastrophe at Amazon dam a warning for future Tapajós dams

When the Balbina Dam was completed in 1986, it flooded primary forest in the state of Amazonas along Brazil’s Uatumã River, forming a massive reservoir speckled by 3,546 flood-induced islands. In 1990, the Reserva Biológica (REBIO) do Uatumã was established, protecting the entire 443,700 hectare (109,6427 acre) reservoir, dubbed Balbina Lake, along with the adjacent […]

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Damming the Amazon: new hydropower projects put river dolphins at risk

Damming the Amazon: new hydropower projects put river dolphins at risk

A dam-building boom is underway in the Amazon. More than 400 hydroelectric dams are in operation, being built, or planned for the river’s headwaters and basin. Scientists know that tropical dams disrupt water flow and nutrient deposition, with negative consequences for aquatic animals, especially migratory species. But little detailed knowledge exists as to the impacts […]

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