2016
DOI: 10.20502/rbg.v17i1.669
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Fisiografia Da Paisagem E Aspectos Biogeomorfológicos Do Lavrado, Roraima, Brasil

Abstract: Resumo:Este estudo discute a relevante interação entre os aspectos morfológicos do relevo (Geomorfologia) correlacionados com os aspectos de distribuição da biota (Biogeografia). A região aqui discutida, está inserida dentro do domínio morfoclimático amazônico, no Estado de Roraima. As interpretações geomorfológicas dos hábitats foram baseadas em técnicas de sensoriamento remoto, utilizando imagens Landsat 7 (produto Geocover, 2000) para descrever processos agradacionais e o modelo de elevação da SRTM, para os… Show more

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Cited by 14 publications
(15 citation statements)
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“…Its main tributaries are: the Cauamé, Mucajaí, Água Boa, and Catrimani rivers on the right bank; and the Quitauau and Anauá rivers, as well as their tributary, the Baruana River, on the left bank. The Xeruini, Jauaperi, and Jatapu rivers cover the remainder of the south and southeastern portion of Roraima's territory (Santos et al 1985, Ferreira et al 2007, Carvalho 2015.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…Its main tributaries are: the Cauamé, Mucajaí, Água Boa, and Catrimani rivers on the right bank; and the Quitauau and Anauá rivers, as well as their tributary, the Baruana River, on the left bank. The Xeruini, Jauaperi, and Jatapu rivers cover the remainder of the south and southeastern portion of Roraima's territory (Santos et al 1985, Ferreira et al 2007, Carvalho 2015.…”
Section: Methodsmentioning
confidence: 99%
“…The main drainage system in Roraima is the Branco River, a tributary of the left bank of the Negro River, with a watershed of 187,540 km 2 (of which 12,310 km² are situated in Guyana), comprising 83% of the state territory (Carvalho 2015). The confluence of the Uraricoera and Tacutu rivers gives rise to the Branco River, and most of their respective tributaries originate in the Parima-Pacaraima mountainous complex along the Venezuelan-Brazilian border.…”
Section: Methodsmentioning
confidence: 99%
“…The hydrographic system is dominated by the Branco River, whose watershed covers 187,540 km 2 , comprising 83% of the state territory (Carvalho, 2015). The river is formed by the confluence of the Uraricoera River and Tacutu River and flows northeast-southwest for 566 km.…”
Section: Study Areamentioning
confidence: 99%
“…The river is formed by the confluence of the Uraricoera River and Tacutu River and flows northeast-southwest for 566 km. Other main rivers are the Xeruini and Jauaperi Rivers (tributaries of the Negro River), and Jatapu River (tributary of the Amazon River), all located in the south and southeastern portion of the state (Santos et al, 1985;Ferreira et al, 2007;Carvalho, 2015). Roraima is situated within the boundaries of the Guyana Shield region as defined in Huber (1995) and in the Remarks and Discussion sections we use the hydrologic limits of the region as defined in Lujan and Armbruster (2011: 212, fig.…”
Section: Study Areamentioning
confidence: 99%
“…The region North and northwest of Roraima cover a mountainous system with strong tectonic structural contact between the Parima and Pacaraima. That can reach 1.100 m (Serra do Tepequém) or near to 1.700 m (Serra da Mocidade) (Barbosa, 1997;Carvalho et al, 2016).…”
Section: Characteristic Of the Roraima Statementioning
confidence: 99%