The Roraima (green mountain) is a Brazilian State located in the Northern Région.

Geography

It is most septentrional of the units of the Federation and has like limit the Venezuela (in North and the North-West), the Guyana (in the East), the State of the Pará (in South-east) and the State of Amazonas (in the South and the West). It occupies a surface of 225.116 km ². It shelters the most septentrional point of Brazil: the Mount Caburaí and a good part of its territory is in the Northern Hemisphere. Its capital is Boa Vista. Its most populated agglomerations are Boa Vista, Alto Alegre, Caracaraí and Rorainopolis.

The profile is very varied from it. At the borders with Venezuela and Guyana, we have to them Serras Parima and of Paracaina where the is Monte Roraima with 2875 m of altitude.

The principal rivers of Roraima are the rivers Rio Branco, Rio Uraricoera, Rio Catrimani, Rio Alalaú and Rio Tacutú.

Its climate is equatorial and tropical (in North, the South and the West), and tropical in the East.

Roraima contains part of the indigenous reserve of the Ianomânis.

Hydrography

The hydrography of the State de Roraima belongs to the basin of the the Amazon and includes/understands primarily the under-basin of the Rio Branco (345  530 km ²). This river is one of the affluents of the Rio Negro.

Principal affluents of Rio Branco:

• Rio Água Boa C Univiní
• Rio Ajaraní
• Rio Catrimari - (17.269 km ²) or Catrimani
• Rio Cauamé
• Rio Mucajaí - (21  602 km ²)
• Rio Xeruiní

In addition to these rivers we have (with the surface of their basin)

• Rio Anauá] - (25  151 km ²)
• Rio Tacutú - (42  904 km ²)
• Rio Uraricoera - (52  184km ²),

History

Its grounds were disputed by Brésiliens of Portuguese origin, Dutch, Spanish and Britanniques but the settlement only started at the 18th century after the elimination of a great number of natives.

The creation of the freguesia of Notre-Dame of the Carmelite friar in 1858, transformed into municipality of Boa Vista in 1890 consolidated the local organization. The argument for the grounds with the United Kingdom at the border of Guyana finished only in 1904 with the arbitration of the Italian sovereign Victor-Emmanuel II which withdrew part of the territory of the Pariri incorporated in the British Guyana. In 1943, with the division of the State d' Amazonas, was creates the federal Territory of Rio Branco which, in 1962 was called Roraima. Its effective occupation take place only with the diamond and gold discovery. Into 1988, Roraima was transformed into State.

In 2004, an important conflict emerged in connection with the demarcation of the indigenous reserve Raposa/Serra C Ground which occupies 1,7 million hectares and shelters 15.000 Indians of five ethnos groups. The federal government, in agreement with the majority of the Indians, had decided that it would be continuous i.e. the town of Uiramutã, the farms of culture of rice and the area of border with Guyana and Venezuela would form part of it. The government of the State de Roraima and the farmers wished that the homologation is discontinuous i.e. these territories are white enclaves in the reserve. Finally, the federal point of view carried it.

Economy

The economy is based on agriculture, the breeding and the extraction of (Bois, of the Or, Diamant S and the Cassitérite). One especially cultivates there, without modern technologies, the Riz, the Haricot S, the Maïs and the Banane. Agriculture and the breeding occupy less than 15% of surface. A good part of the grounds is inaccessible and 70% of the State are occupied by the Amazon forest.

Communes of Roraima

• the data of population are drawn from. Other data of: and of]
• the municipes and countries bordering are quoted in the Northern order, Is, Southern and Western.

The municipe called officially “São Luiz” is called “São Luiz de Anauá” by the population.

Simple: Roraima

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