An area of of the Lagoa São Paulo Reserve escaped flooding. However, as soon as the reservoir had filled the new environment was invaded by hunters, fishermen, cattle ranchers and landless rural laborers. As of 2003 the Lagoa São Paulo Reserve had in the municipality of
Presidente Epitácio. Fragments of the original forest and marsh remain, as well as 2,000 year old archaeological remains of the
Guarani-Kaiowá people, although much of the area has been badly degraded. 166 species of birds have been identified, some rare and others endangered in São Paulo state. As of 2007 efforts were being made in a private/public partnership project to restore the environment through reforestation. The reserve would be part of the proposed
Trinational Biodiversity Corridor, which aims to provide forest connections between conservation units in Brazil, Paraguay and Argentina in the Upper Paraná ecoregion. ==Notes==