...), undertaken by the Public Power Corporation (PPC) in the mid-1950s. The Agras wetland, which is situated 7 km north-west of Edessa, covers an area of 600 ha and hosts 37 species from Annex I of the Birds directive, including Aythya nyroca, Pelecanus crispus, Phalacrocorax pygmeus, and Botaurus stellaris . The lake was initially managed by the PPC mainly for power generation, but other uses have ...