Hydroelectric power plants in Brazil threaten turtles that depend on rapids, study warns

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New research shows that the construction of new hydroelectric power plants in Brazil's South region could have an impact on more than 30% of the habitat of Phrynops williamsi, the Williams' side-necked turtle. The species occurs only in areas of Atlantic Rainforest and Pampa (the grassland biome adjacent to Brazil's border with Uruguay and Argentina), and is classed as 'Vulnerable' (facing a high risk of extinction) by the International Union for Conservation of Nature (IUCN).

," André Luis Regolin, a professor and researcher at the Federal University of Goiás , and first author of the article, told UFG's press office.

Reservoirs flood the animals' habitats, eliminating the rapids on which they depend, and they try to migrate in search of suitable areas, but are often prevented from doing so by dams. The study shows that highly suitable areas are increasingly rare and less interconnected owing to rising numbers of hydropower developments.

 

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