[3] On 31 August 2000 the Instituto Nacional de Colonização e Reforma Agrária (INCRA – National Institute for Colonization and Agrarian Reform) transferred 19 federal public lands in state conservation units to the state government, including the Rio Madeira A, B and C sustainable yield forests.

[4] The Rio Madeira Sustainable Yield Forest (A) was created in the municipality of Porto Velho by Rondônia state decree 4.574 of 23 March 1990, with an area of about 63,812.50 hectares (157,684.1 acres).

The Rondônia Institute of Land and Colonisation could enter into agreements with public and private enterprises to implement the technical and scientific purposes of the forest.

[citation needed] The Rio Madeira Sustainable Yield Forest (B) is in the municipality of Porto Velho, Rondônia.

[6] The forest originally covered 82,437 hectares (203,710 acres), but this was reduced due to the presence of private land titles in the area.

[8] The Rio Madeira Sustainable Yield Forest (C) was created by state decree 4.697 of 6 June 1990 with an area of about 30,000 hectares (74,000 acres).

The State Forestry Institute could enter into agreements with public and private enterprises to meet the technical and scientific purposes of the forest.