[3] Construction of the Rosana dam caused the flooding of about 25,000 hectares (62,000 acres) of fertile land and floodplains, and eviction of 270 families.

[4] The government negotiated with CESP (Companhia Energética de São Paulo) for compensation for the flooding damage.

[7] Fishing regulations were published on 2 October 2008, covering conservation areas and their buffer zones in the Paraná River basin.

[6] The ESEC 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.

The most representative tree species is the Aspidosperma polyneuron, with average diameter at chest height of about 1 metre (3 ft 3 in).