[2] The park 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.

Plants typical of this environment include Albizia hasslerii, Aspidosperma polyneuron, Pterogyne nitens, Schizolobium parahyba, Handroanthus heptaphyllus, Tabebuia ochracea and Zeyheria tuberculosa.

Bird species include jabiru (Jabiru mycteria), wood stork (Mycteria americana), maguari stork (Ciconia maguari), spoonbill, great egret (Ardea alba), snowy egret (Egretta thula), garganey (Anas querquedula), Neotropic cormorant (Phalacrocorax brasilianus) and southern screamer (Chauna torquata).

[2] The Aguapeí State Park was created as compensation when the Companhia Energética de São Paulo (CESP) built the Primavera Hydroelectric Power Plant on the Paraná River.

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