[1] The reserve is in the Chapadinha (Alto Munim) microregion of the Leste Maranhense mesoregion, on the frontier of soybean monoculture in the state.

[3] The reserve contains the traditional communities of Chapada Limpa I, Chapada Limpa II, Califórnia, Juçaral, Mata, Morada Nova, Porco Magro, Prata, Quatro Bocas, Roça Velha, Saco, Santana, São Gabriel, São Martins and Severo.

[2] Residents in the lower parts of the reserve extract babassu for income, and use the juçara, buriti and bacaba palms typical of the wetland environment for family use.

[3] The Chapada Limpa Extractive Reserve was created by federal decree on 26 September 2007 with an area of 11,971 hectares (29,580 acres) to protect the livelihoods and ensure the use and conservation of renewable natural resources used traditionally by the residents.

[2] On 12 November 2008 the Instituto Nacional de Colonização e Reforma Agrária (INCRA – National Institute for Colonisation and Agrarian Reform) recognised the reserve as meeting the needs of 62 families, who would qualify for PRONAF support.