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Pampas (other)
The Pampas (from the qu, pampa, meaning "plain"), also known as the Pampas Plain, are fertile South American low grasslands that cover more than and include the Argentina, Argentine Provinces of Argentina, provinces of Buenos Aires Province, Buenos Aires, La Pampa Province, La Pampa, Santa Fe Province, Argentina, Santa Fe, Entre Ríos Province, Argentina, Entre Ríos, and Córdoba Province, Argentina, Córdoba; all of Uruguay; and Brazil's southernmost Federative units of Brazil, state, Rio Grande do Sul. The vast plains are a natural region, interrupted only by the low Ventana and Tandil hills, near Bahía Blanca and Tandil (Argentina), with a height of and , respectively. The climate is temperate, with precipitation (meteorology), precipitation of that is more or less evenly distributed throughout the year, making the soils appropriate for agriculture. The area is also one of the distinct physiography provinces of the larger Paraná river, Paraná–Paraguay river, Paragua ...
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Plain
In geography, a plain is a flat expanse of land that generally does not change much in elevation, and is primarily treeless. Plains occur as lowlands along valleys or at the base of mountains, as coastal plains, and as plateaus or uplands. In a valley, a plain is enclosed on two sides, but in other cases a plain may be delineated by a complete or partial ring of hills, by mountains, or by cliffs. Where a geological region contains more than one plain, they may be connected by a pass (sometimes termed a gap). Coastal plains mostly rise from sea level until they run into elevated features such as mountains or plateaus. Plains are one of the major landforms on earth, where they are present on all continents, and cover more than one-third of the world's land area. Plains can be formed from flowing lava; from deposition of sediment by water, ice, or wind; or formed by erosion by the agents from hills and mountains. Biomes on plains include grassland (temperate or subtropi ...
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Precipitation (meteorology)
In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls under gravitational pull from clouds. The main forms of precipitation include drizzle, rain, Rain and snow mixed, sleet, snow, ice pellets, graupel and hail. Precipitation occurs when a portion of the atmosphere becomes saturated with water vapor (reaching 100% relative humidity), so that the water condenses and "precipitates" or falls. Thus, fog and mist are not precipitation but colloids, because the water vapor does not condense sufficiently to precipitate. Two processes, possibly acting together, can lead to air becoming saturated: cooling the air or adding water vapor to the air. Precipitation forms as smaller droplets coalesce via collision with other rain drops or ice crystals within a cloud. Short, intense periods of rain in scattered locations are called shower (precipitation), showers. Moisture that is lifted or otherwise forced to rise over a layer of sub-freezi ...
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Sierra De La Ventana (mountains)
The Sierra de la Ventana (also ''Sierras de Ventania'') is a mountain range in Buenos Aires Province, and one of only two located within the Pampas ecosystem. Overview Bounded approximately by the Laguna del Monte, Guaminí at its northwestern end and the Atlantic Ocean to its southwest, the Sierra de la Ventana lies on a precambrian base formed around 2.2 billion years ago, and is interspersed with granite, granodiorite, and amphibole deposits. Characterized by its escarpments, this orography prevented the deposit of significant amounts of loess, and made the area the least propitious for agriculture within the Pampas; sunflower fields are common along the foot of the range. Its soils feature an A-AC-C horizonation, not unlike those found along the Appalachian range. Its climate is somewhat colder and drier than that prevailing in the surrounding Humid Pampas, though the range receives more rainfall than the Semi-arid Pampas located to the west. Sizable extensions of laceb ...
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Cuchilla Grande
Cuchilla Grande is a hill range that crosses the east part of Uruguay from north to south. It extends from the south part of Cerro Largo Department, through the departments of Treinta y Tres and Lavalleja and ends in Maldonado Department where it forms its highest peaks. Noted features In the southern part of this range, there is the Cerro Catedral, the highest point of the country. This hill is situated in the Maldonado Department. Also found in this range is the Cerro Pan de Azúcar, likewise situated in the Maldonado Department, near Piriápolis. Secondary ranges * Cuchilla de Mansavillagra * Sierra Carapé * Sierra Aceguá * Sierra de las Ánimas * Cuchilla Grande Inferior * Cuchilla de Cerro Largo Cuchilla (plural: cuchillas), Spanish for ''blade'' or ''hill covered by grasslands'' (in the Pampas of Uruguay and Argentina) may refer to: * Cuchilla Alta, a seaside resort in Canelones in Montevideo in Uruguay * Cuchilla de Caraguatá, a rang ... See also * Geogra ...
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Serras De Sudeste
Serras de Sudeste (English: ''Southeastern Mountain Ranges'') is a dissected plateau, also named Planalto Dissecado de Sudeste (''Southeastern Dissected Plateau'') or Escudo Sul-Rio-Grandense (''Shield of Rio Grande do Sul''), located in the southeastern portion of Rio Grande do Sul state in southernmost Brazil, near Uruguay. Geography Topography This plateau has hills and hillocks covered by grasslands, known as ''coxilhas'' (''cuchillas'' in Spanish), whose highest levels do not exceed 600 metres (1,970 feet) in altitude. This plateau was formed in Precambrian time, divided by the Camaquã River in two main units, ''Serra de Herval'' and ''Serra dos Tapes''. This region has a triangular area between the cities of Porto Alegre, Jaguarão and Dom Pedrito, approximately. It is an old plateau, whose tabular relief is preserved only in areas between some rivers. There are three municipalities, in this region, whose their urban areas are situated above 400 metres (1,312 feet) o ...
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Wetland
A wetland is a distinct ecosystem that is flooded or saturated by water, either permanently (for years or decades) or seasonally (for weeks or months). Flooding results in oxygen-free (anoxic) processes prevailing, especially in the soils. The primary factor that distinguishes wetlands from terrestrial land forms or Body of water, water bodies is the characteristic vegetation of aquatic plants, adapted to the unique anoxic hydric soils. Wetlands are considered among the most biologically diverse of all ecosystems, serving as home to a wide range of plant and animal species. Methods for assessing wetland functions, wetland ecological health, and general wetland condition have been developed for many regions of the world. These methods have contributed to wetland conservation partly by raising public awareness of the functions some wetlands provide. Wetlands occur naturally on every continent. The water in wetlands is either freshwater, brackish or saltwater. The main wetland typ ...
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Estação Ecológica Do Taim
Estação is a municipality in the state of Rio Grande do Sul, Brazil. As of 2020, the estimated population was 5,940. See also *List of municipalities in Rio Grande do Sul This is a list of the municipalities in the state of Rio Grande do Sul (RS), located in the South Region of Brazil. Rio Grande do Sul is divided into 497 municipalities, which are grouped into 35 microregions, which are grouped into 7 mesoregio ... References Municipalities in Rio Grande do Sul {{RioGrandedoSul-geo-stub ...
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Patagonia
Patagonia () refers to a geographical region that encompasses the southern end of South America, governed by Argentina and Chile. The region comprises the southern section of the Andes Mountains with lakes, fjords, temperate rainforests, and glaciers in the west and deserts, tablelands and steppes to the east. Patagonia is bounded by the Pacific Ocean on the west, the Atlantic Ocean to the east, and many bodies of water that connect them, such as the Strait of Magellan, the Beagle Channel, and the Drake Passage to the south. The Colorado and Barrancas rivers, which run from the Andes to the Atlantic, are commonly considered the northern limit of Argentine Patagonia. The archipelago of Tierra del Fuego is sometimes included as part of Patagonia. Most geographers and historians locate the northern limit of Chilean Patagonia at Huincul Fault, in Araucanía Region.Manuel Enrique Schilling; Richard WalterCarlson; AndrésTassara; Rommulo Vieira Conceição; Gustavo Walter B ...
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Cuyo (Argentina)
Cuyo is the wine-producing, mountainous region of central-west Argentina. Historically it comprised the provinces of San Juan, San Luis and Mendoza. The modern New Cuyo includes both Cuyo proper and the province of La Rioja. New Cuyo is a political and economic macroregion, but culturally La Rioja is part of the North-West rather than of Cuyo. Cuyo has some of the most popular tourist attractions in Argentina and the highest mountain massifs in the Andes, including Aconcagua itself, the highest peak outside Asia, and the Ischigualasto Provincial Park. The soil is arid and reddish, crossed by few rivers. Most of the rivers are fed by the thawing of snow on the peaks, and their volume of water increases considerably in spring. The Desaguadero River is the main collector, receiving waters from the Bermejo, Vinchina and Salado before reaching the Colorado River. Viticulture is one of the main activities of the area. The wine production of the region represents almost 80% of ...
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Sierras Pampeanas
The Sierras Pampeanas (also called Central Sierras or Pampas Sierras) (English: Pampas Mountains) is a geographical region of Argentina. The Sierras Pampeanas are a chain of mountains that rise sharply from the surrounding pampa region of Northwest Argentina. They run parallel to the Andes Mountains and their crest line is some east of the Andes crest line (running from 29° to 35° S latitude at about 65° W longitude). They cross into seven Argentina provinces: San Luis, San Juan, Córdoba, La Rioja, Catamarca, Santiago del Estero and Tucumán. Geography The highest point of the Sierras Pampeanas is Cerro General Belgrano (6250 m above sea level) in La Rioja, in the Sierra de Famatina. Between the mountain ranges are several salt-filled depressions. The Salinas Grandes depression is located in Cordoba, La Rioja, Catamarca and Santiago del Estero. A characteristic of many of these mountain ranges is their morphological asymmetry: the western slopes are usually st ...
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Gran Chaco
The Gran Chaco or Dry Chaco is a sparsely populated, hot and semiarid lowland natural region of the Río de la Plata basin, divided among eastern Bolivia, western Paraguay, northern Argentina, and a portion of the Brazilian states of Mato Grosso and Mato Grosso do Sul, where it is connected with the Pantanal region. This land is sometimes called the Chaco Plain. Toponymy The name Chaco comes from a word in Quechua, an indigenous language from the Andes and highlands of South America. The Quechua word ''chaqu'' meaning "hunting land" comes probably from the rich variety of animal life present throughout the entire region. Geography The Gran Chaco is about 647,500 km² (250,000 sq mi) in size, though estimates differ. It is located west of the Paraguay River and east of the Andes, and is mostly an alluvial sedimentary plain shared among Paraguay, Bolivia, and Argentina. It stretches from about 17 to 33°S latitude and between 65 and 60°W longitude, though estimat ...
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Atlantic Forest
The Atlantic Forest ( pt, Mata Atlântica) is a South American forest that extends along the Atlantic coast of Brazil from Rio Grande do Norte state in the northeast to Rio Grande do Sul state in the south and inland as far as Paraguay and the Misiones Province of Argentina, where the region is known as Selva Misionera. The Atlantic Forest has ecoregions within the following biome categories: seasonal moist and dry broad-leaf tropical forests, tropical and subtropical grasslands, savannas, and shrublands, and mangrove forests. The Atlantic Forest is characterized by a high biodiversity and endemism. It was the first environment that the Portuguese colonists encountered over 500 years ago, when it was thought to have had an area of , and stretching an unknown distance inland, making it, back then, the second largest rainforest on the planet, only behind the Amazon rainforest. Over 85% of the original area has been deforested, threatening many plant and animal species with ...
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