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Preto Do Crespo River
The Jamari River is a river of Rondônia state in western Brazil. Part of the river's watershed is covered by the Jacundá National Forest, a sustainable use conservation unit. The Jamari river is dammed by the Samuel Hydroelectric Dam near Porto Velho, which forms a reservoir that covers . The Samuel Ecological Station was established in compensation for the environmental impact. The ecological station extends to the east of the dam and protects part of the Jamari river basin. See also *List of rivers of Rondônia List of rivers in Rondônia (Brazilian State). The list is arranged by drainage basin, with respective tributaries indented under each larger stream's name and ordered from downstream to upstream. Rondônia is located entirely within the Amazon B ... ReferencesBrazilian Ministry of Transport Rivers of Rondônia {{Rondônia-river-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area and the seventh most populous. Its capital is Brasília, and its most populous city is São Paulo. The federation is composed of the union of the 26 States of Brazil, states and the Federal District (Brazil), Federal District. It is the largest country to have Portuguese language, Portuguese as an List of territorial entities where Portuguese is an official language, official language and the only one in the Americas; one of the most Multiculturalism, multicultural and ethnically diverse nations, due to over a century of mass Immigration to Brazil, immigration from around the world; and the most populous Catholic Church by country, Roman Catholic-majority country. Bounded by the Atlantic Ocean on the east, Brazil has a Coastline of Brazi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Verde River (Jamari River)
The Rio Verde (Portuguese for "green river") is a river of Rondônia state in western Brazil. It is a tributary of the Jamari River. Part of the river's watershed is covered by the Jacundá National Forest, a sustainable use conservation unit. See also *List of rivers of Rondônia List of rivers in Rondônia (Brazilian State). The list is arranged by drainage basin, with respective tributaries indented under each larger stream's name and ordered from downstream to upstream. Rondônia is located entirely within the Amazon B ... References Brazilian Ministry of Transport Rivers of Rondônia {{Rondônia-river-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Samuel Ecological Station
The Samuel Ecological Station ( pt, Estação Ecológica Samuel) is a strictly protected ecological station in the state of Rondônia, Brazil. It contains a tract of Amazon rainforest that extends east from the reservoir formed by the Samuel Hydroelectric Dam. Location The Samuel State Ecological Station is in the northern portion of the state of Rondonia. It covers part of the Jamari River basin and a large part of the reservoir of the Samuel Hydroelectric Dam. The conservation unit extends the east from this reservoir. It is bounded to the north by the Jequitibá Forestry Settlement Project (''Projeto de Assentamento Florestal''), to the north and east by the Jacundá National Forest and to the south by the Jamari National Forest. The unit lies in the municipalities of Candeias do Jamari (76%} and Itapuã do Oeste (24%). Environment The Samuel State Ecological Station lies in the lower plateau of the western Amazonia, with altitudes from above sea level. The conservation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Samuel Hydroelectric Dam
The Samuel Hydroelectric Dam ( pt, Usina Hidrelétrica Samuel) is a 216 MW hydroelectric dam near Porto Velho, Rondônia, Brazil. The project was controversial since it had a major environmental impact and during operations released more greenhouse gases than a comparable oil-fuelled plant. Reservoir The Samuel dam impounds the Jamari River, a right tributary of the Madeira River. It is about from Porto Velho. The Jamari River originates in the Pacaás Novos Mountains to the south at an altitude of about . The catchment area is just , or 24 times the area of the reservoir. The river delivers an annual flow of per second. The dam contains a volume of and covers at normal maximum level of above sea level. The main reservoir is long by wide, and extends further to the south for another with a width of . Since the terrain is relatively flat, of dikes were built along the right and left banks to hold the water. Construction Construction began towards the end of a period ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jacundá National Forest
The Jacundá National Forest ( pt, Floresta Nacional de Jacundá) is a sustainable-use national forest in the state of Rondônia, Brazil. Location The Jacundá National Forest is in the Amazonia biome and covers . The forest covers parts of the municipalities of Candeias do Jamari and Porto Velho in the state of Rondônia. The Samuel Ecological Station, a state-managed unit, lies to the south of the forest. Altitude ranges from . The terrain is mainly the floodplains of the large and small rivers, surrounded by fluvial terraces. The forest is bordered by the Madeira River and its right-bank tributaries the Jamari and the Ji-Paraná or Machado River. The Jacundá, Miriti, Preto and Verde rivers are fed by springs in the forest. Temperatures range from with an average of . Average annual rainfall is . There are three dominant vegetation types including at least 285 tree species in 55 botanical families. Most of the area is covered by open rainforest, with smaller areas of de ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Branco River (Jamari River)
The Jamari River is a river of Rondônia state in western Brazil. Part of the river's watershed is covered by the Jacundá National Forest, a sustainable use conservation unit. The Jamari river is dammed by the Samuel Hydroelectric Dam near Porto Velho, which forms a reservoir that covers . The Samuel Ecological Station The Samuel Ecological Station ( pt, Estação Ecológica Samuel) is a strictly protected ecological station in the state of Rondônia, Brazil. It contains a tract of Amazon rainforest that extends east from the reservoir formed by the Samuel Hy ... was established in compensation for the environmental impact. The ecological station extends to the east of the dam and protects part of the Jamari river basin. See also * List of rivers of Rondônia ReferencesBrazilian Ministry of Transport Rivers of Rondônia {{Rondônia-river-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Guaiamã River
The Jamari River is a river of Rondônia state in western Brazil. Part of the river's watershed is covered by the Jacundá National Forest, a sustainable use conservation unit. The Jamari river is dammed by the Samuel Hydroelectric Dam near Porto Velho, which forms a reservoir that covers . The Samuel Ecological Station was established in compensation for the environmental impact. The ecological station extends to the east of the dam and protects part of the Jamari river basin. See also *List of rivers of Rondônia List of rivers in Rondônia (Brazilian State). The list is arranged by drainage basin, with respective tributaries indented under each larger stream's name and ordered from downstream to upstream. Rondônia is located entirely within the Amazon B ... ReferencesBrazilian Ministry of Transport Rivers of Rondônia {{Rondônia-river-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Preto Do Crespo River
The Jamari River is a river of Rondônia state in western Brazil. Part of the river's watershed is covered by the Jacundá National Forest, a sustainable use conservation unit. The Jamari river is dammed by the Samuel Hydroelectric Dam near Porto Velho, which forms a reservoir that covers . The Samuel Ecological Station was established in compensation for the environmental impact. The ecological station extends to the east of the dam and protects part of the Jamari river basin. See also *List of rivers of Rondônia List of rivers in Rondônia (Brazilian State). The list is arranged by drainage basin, with respective tributaries indented under each larger stream's name and ordered from downstream to upstream. Rondônia is located entirely within the Amazon B ... ReferencesBrazilian Ministry of Transport Rivers of Rondônia {{Rondônia-river-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Candeias River
The Candeias River is a river of Rondônia state in western Brazil. The river flows into the Rio Jamari just downstream of the Samuel dam and reservoir, shortly after passing through the village of Candeis do Jamari. The region is known for its sport fishing. The river is also a tributary of the Rio Madeira. The Caritiana, a small tribe, lived and traded along the river during at least the 1950s and 1960s. Dwarf cichlids have also been found living along the river. Cassiterite has been mined along the river. See also *List of rivers of Rondônia List of rivers in Rondônia (Brazilian State). The list is arranged by drainage basin, with respective tributaries indented under each larger stream's name and ordered from downstream to upstream. Rondônia is located entirely within the Amazon B ... ReferencesBrazilian Ministry of Transport Rivers of Rondônia {{Rondônia-river-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rondônia
Rondônia () is one of the 26 states of Brazil, located in the northern subdivision of the country (central-western part). To the west is a short border with the state of Acre, to the north is the state of Amazonas, in the east is Mato Grosso, and in the south and southwest is Bolivia. Rondônia has a population of 1,815,000 as of 2021. It is the fifth least populated state. Its capital and largest city is Porto Velho. The state was named after Cândido Rondon, who explored the north of the country during the 1910s. The state, which is home to 0.8% of the Brazilian population, is responsible for 0.6% of the Brazilian GDP. Geography Rondonia was originally home to over 200,000 km2 of rainforest, but has become one of the most deforested places in the Amazon. By 2003 around 70,000 km2 of rainforest had been cleared. The area around the Guaporé River is part of the Beni savanna ecoregion. The Samuel Dam is located in the state, on the Jamari River. History Dem ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Porto Velho
Porto Velho (, ''Old Port'') is the capital of the Brazilian state of Rondônia, in the upper Amazon River basin, and a Catholic Metropolitan Archbishopric. The population is 548,952 people (as of the IBGE 2021 estimation). Located on the border of Rondônia and the state of Amazonas, the town is an important trading center for cassiterite, the mining of which represents the most important economic activity in the region, as well as a transportation and communication center. It is on the eastern shore of the Madeira River, one of the main tributaries of the Amazon River. It is also Rondônia's largest city, and the largest state capital of Brazil by area. The municipality occupies most of the border between Amazonas and Rondônia, and is both the westernmost and northernmost city in the state. History Officially founded on October 2, 1914, Porto Velho was founded by pioneers around 1907, during the construction of the Madeira-Mamoré railroad. After the railroad was complete ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Madeira River
The Madeira River ( pt, Rio Madeira, link=no ) is a major waterway in South America. It is estimated to be in length, while the Madeira-Mamoré is estimated near or in length depending on the measuring party and their methods. The Madeira is the biggest tributary of the Amazon, accounting for about 15% of the water in the basin. A map from Emanuel Bowen in 1747, held by the David Rumsey Map Collection, refers to the Madeira by the pre-colonial, indigenous name Cuyari. The River of Cuyari, called by the Portuguese Madeira or the Wood River, is formed by two great rivers, which join near its mouth. It was by this River, that the Nation of Topinambes passed into the River Amazon. Climate The mean inter-annual precipitations on the great basins vary from , the entire upper Madeira basin receiving . The greatest extremes of rainfall are between . Even just below the confluence that forms it, the Madeira is one of the largest rivers of the world, with a mean inter-annual discharge ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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