They claimed that efforts by the U.S. Army Corps of Engineers to manage water releases from upstream dams to benefit endangered fish and wildlife habitat exacerbated floods in 2007, 2008, 2010, 2011, 2013, and 2014. (sciencemag.org)
The theory that Belo Monte would be the only dam on the Xingu River, known as the «institutionalized lie» to Belo Monte opponents, was the justification for excluding any consideration of upstream dams in the environmental impact studies for Belo Monte. (internationalrivers.org)
As a result, many riverine ecosystems depend on mandated «environmental flows» released by upstream dams, which become a point of contention during critically dry periods (5). (pnas.org)