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The sources of the Orinoco River, located at Cerro Carlos Delgado Chalbaud (2º19’05” N, 63º21’42” W), were discovered in 1951 by the French-Venezuelan expedition that went back and explored the Upper Orinoco course to the Sierra Parima near the border with Brazil, headed by Venezuelan army officer Frank Risquez Iribarren.
The Orinoco Basin is the part of South America drained by the Orinoco river and its tributaries. The Orinoco watershed covers an area of about 990000 km 2 , making it the third largest in South America, covering most of Venezuela and eastern part of Colombia .
The Orinoquía region is one of the six natural regions of Colombia that belongs to the Orinoco River watershed. It's also known colloquially as the Eastern Plains from the Spanish Llanos Orientales. The region covers most of the area of the departments of Arauca, Casanare, Meta, and Vichada. [1]
Because of its natural structure, Colombia can be divided into six distinct natural regions.These consist of the Andean Region, covering the three branches of the Andes mountains found in Colombia; the Caribbean Region, covering the area adjacent to the Caribbean Sea; the Pacific Region adjacent to the Pacific Ocean; the Orinoquía Region, part of the Llanos plains mainly in the Orinoco river ...
The delta is fan-shaped, formed by the Orinoco River as it splits into numerous distributaries, called caños, which meander through the delta on their way to the sea.The main distributary is called the Rio Grande, which empties south-southeast through the southern portion of the delta, and the second major distributary is Caño Manamo, which runs northward along the western edge of the delta.
The Orinoco Delta swamp forests (NT0147) is an ecoregion of eastern Venezuela and northern Guyana covering the large and shifting Orinoco Delta. The vegetation is mostly permanently flooded rainforest. The ecoregion is relatively intact apart from a large area that was damaged by a failed flood control program in the 1960s.
In the evaluation of a natural region, the human element is not present. The natural region groups of Venezuela formed as a consequence of the association of geo-physical elements such as: geological constitution, relief, climate, hydrography, vegetation, soils, among others. [1] The regional groups that make up the Venezuelan territory are: [2]
The energy and oil ministry said it had certified an additional 12.4 billion barrels (2.0 × 10 ^ 9 m 3) of proven reserves in the country's Faja del Orinoco region. [4] In February 2008, Venezuelan proven oil reserves were 172 billion barrels (27 × 10 ^ 9 m 3 ). [ 5 ]