The Jataí Ecological Station "Conde Joaquim Augusto Ribeiro do Valle" is in the municipality of Luís Antônio, São Paulo.

[4] The Jataí Ecological Station was created by Governor José Maria Marin by decree 18.997 of 15 June 1982 to protect the ecosystems and lagoon complex and to support scientific research and education.

By decree 20.809 José Maria Marin changed the name to the "Conde Joaquim Augusto Ribeiro do Valle" Jataí Ecological Station.

[5] Decree 47.096 extended the limits to cover an area of 9,074.63 hectares (22,423.9 acres) consisting of "A" and "B" segments, both state-owned, containing one of the last remnants of cerrado and cerradão, with a variety of flora and fauna to be preserved so future generations can enjoy the biodiversity, for scientific, cultural and educational purposes, and for its value as a genetic bank.

[2] Vegetation types are:[8] Endangered plant species include Bowdichia virgilioides (Fabaceae), Eugenia klotzschiana (Myrtaceae), Euterpe edulis (Arecaceae) and Dicksonia sellowiana (Dicksoniaceae).

These include six mammal species: giant anteater (Myrmecophaga tridactyla), black howler (Alouatta caraya), maned wolf (Chrysocyon brachyurus), cougar (Puma concolor), ocelot (Leopardus pardalis), and marsh deer (Blastocerus dichotomus).

[11] Threats include hunting, fishing and extraction of forest products, a sand port on the Mogi-Guaçu, domestic animals and the nearby road.