South America: South America Geography Profile
2012/08/16
South America Geography Profile
South America occupies the southern portion of the landmass sometimes referred to as the New World. The continent is generally delimited on the northwest by the Darién watershed along the Colombia–Panama border, or (according to some sources) by the Panama Canal which transects the Isthmus of Panama. Geopolitically and geographically all of Panama – including the segment east of the Panama Canal in the isthmus – is typically included in North America alone and among the countries of Central America. Almost all of mainland South America sits on the South American Plate.
Many of the islands of the Caribbean (or West Indies) – e.g., the Leeward and Lesser Antilles – sit atop the Caribbean Plate, a tectonic plate with a diffuse topography. The islands of Aruba, Barbados, Trinidad, and Tobago sit on the northerly South American continental shelf. The Netherlands Antilles and the federal dependencies of Venezuela lie along the northerly South American shelf. Geopolitically, the island states and overseas territories of the Caribbean are generally grouped as a part or subregion of North America. The South American nations that border the Caribbean Sea—including Colombia, Venezuela, Guyana, Suriname, and French Guiana—are also known as Caribbean South America. Other islands are the Galápagos islands that belong to Ecuador and Easter Island (in Oceania but belongs to Chile), Robinson Crusoe Island, Chiloé, and the Tierra del Fuego.
South America is home to the world's highest waterfall, Angel Falls in Venezuela; the largest river (by volume), the Amazon River; the longest mountain range, the Andes (whose highest mountain is Aconcagua at 6,962 m); the driest place on earth, the Atacama Desert; the largest rainforest, the Amazon Rainforest; the highest capital city, La Paz, Bolivia; the highest commercially navigable lake in the world, Lake Titicaca; and, excluding research stations in Antarctica, the world's southernmost permanently inhabited community, Puerto Toro, Chile.
South America's major mineral resources are gold, silver, copper, iron ore, tin, and petroleum. The many resources of South America have brought high income to its countries especially in times of war or of rapid economic growth by industrialized countries elsewhere. However, the concentration in producing one major export commodity often has hindered the development of diversified economies. The fluctuation in the price of commodities in the international markets has led historically to major highs and lows in the economies of South American states, often causing extreme political instability. This is leading to efforts to diversify production to drive away from staying as economies dedicated to one major export.
South America is one of the most biodiverse continents on earth. South America is home to many interesting and unique species of animals including the llama, anaconda, piranha, jaguar, vicuña, and tapir. The Amazon rainforests possess high biodiversity, containing a major proportion of the Earth's species. Regions in South America include the Andean States, the Guianas, the Southern Cone, and Brazil which is the largest country by far, in both area and population.
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