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Temperate South America is a
biogeographic Biogeography is the study of the distribution of species and ecosystems in geographic space and through geological time. Organisms and biological communities often vary in a regular fashion along geographic gradients of latitude, elevation, ...
region of the Earth's seas, comprising the temperate and subtropical waters of South America, including both the
Pacific The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the contine ...
and
Atlantic The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe ...
coasts of the continent and adjacent islands. It also includes the remote
Gough Island upright=1.3, Map of Gough island Gough Island ( ), also known historically as Gonçalo Álvares, is a rugged volcanic island in the South Atlantic Ocean. It is a dependency of Tristan da Cunha and part of the British overseas territory of Sai ...
and
Tristan da Cunha Tristan da Cunha (), colloquially Tristan, is a remote group of volcano, volcanic islands in the South Atlantic Ocean. It is the Extreme points of Earth, most remote inhabited archipelago in the world, lying approximately from Cape Town, Sou ...
in the South Atlantic Ocean. Temperate Southern Africa is a marine realm, one of the great biogeographic divisions of the world's ocean basins. On the Atlantic coast, Temperate South America transitions to the Tropical Atlantic marine realm near
Rio de Janeiro Rio de Janeiro ( , , ; literally 'River of January'), or simply Rio, is the capital of the state of the same name, Brazil's third-most populous state, and the second-most populous city in Brazil, after São Paulo. Listed by the GaWC as a b ...
in Brazil. On the Pacific coast, it extends to Punta Aguja in northern
Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = National seal , national_motto = "Firm and Happy f ...
, where it transitions to the Tropical Eastern Pacific realm. To the south lies the
Southern Ocean The Southern Ocean, also known as the Antarctic Ocean, comprises the southernmost waters of the World Ocean, generally taken to be south of 60° S latitude and encircling Antarctica. With a size of , it is regarded as the second-smal ...
. The Atlantic coast is influenced by the
Brazil Current The Brazil Current is a warm water current that flows south along the Brazilian south coast to the mouth of the Río de la Plata. Description This current is caused by diversion of a portion of the Atlantic South Equatorial Current from where ...
, which carries warm tropical waters south along the coast. On the Pacific coast, the cold
Humboldt Current The Humboldt Current, also called the Peru Current, is a cold, low-salinity ocean current that flows north along the western coast of South America.Montecino, Vivian, and Carina B. Lange. "The Humboldt Current System: Ecosystem components and pro ...
carries cold Antarctic waters north towards the tropics.


Subdivisions

The Temperate South America realm is divided into five marine provinces. The three larger provinces are composed of smaller ecoregions. * Warm Temperate Southeastern Pacific **
Central Peru Central is an adjective usually referring to being in the center of some place or (mathematical) object. Central may also refer to: Directions and generalised locations * Central Africa, a region in the centre of Africa continent, also known as ...
** Humboldtian ** Central Chile ** Araucanian * Juan Fernandez and Desventuradas **
Juan Fernandez Islands ''Juan'' is a given name, the Spanish and Manx versions of ''John''. It is very common in Spain and in other Spanish-speaking communities around the world and in the Philippines, and also (pronounced differently) in the Isle of Man. In Spanish, ...
and
Desventuradas Islands The Desventuradas Islands ( es, Islas Desventuradas, , "Unfortunate Islands" or ''Islas de los Desventurados'', "Islands of the Unfortunate Ones") is a group of four small oceanic islands located off the coast of Chile, northwest of Santiago in ...
*Despite their geographical proximity to the South American coast, these islands have also been included in the
Oceanian realm The Oceanian realm is one of the World Wildlife Fund (WWF) biogeographic realms, and is unique in not including any continental land mass. It has the smallest land area of any of the WWF realms. This realm includes the islands of the Pacific Oc ...
, due to strong
Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only stat ...
an and southeast
Polynesia Polynesia () "many" and νῆσος () "island"), to, Polinisia; mi, Porinihia; haw, Polenekia; fj, Polinisia; sm, Polenisia; rar, Porinetia; ty, Pōrīnetia; tvl, Polenisia; tkl, Polenihia (, ) is a subregion of Oceania, made up of ...
n biogeographic influences and the presence of an endemic insect and plant family. * Warm Temperate Southwestern Atlantic ** Southeastern Brazil ** Rio Grande **
Rio de la Plata Rio or Río is the Portuguese, Spanish, Italian, and Maltese word for "river". When spoken on its own, the word often means Rio de Janeiro, a major city in Brazil. Rio or Río may also refer to: Geography Brazil * Rio de Janeiro * Rio do Sul, a ...
** Uruguay-Buenos Aires Shelf * Magellanic **
North Patagonian Gulfs North is one of the four compass points or cardinal directions. It is the opposite of south and is perpendicular to east and west. ''North'' is a noun, adjective, or adverb indicating direction or geography. Etymology The word ''north'' is ...
**
Patagonian Shelf The Argentine (sometimes referred to as Patagonian) Shelf is part of the South American continental shelf belonging to the Argentine Sea on the Atlantic seaboard, south of about 35°S. It adjoins the coasts of Uruguay, Argentina Argen ...
**
Falkland Islands The Falkland Islands (; es, Islas Malvinas, link=no ) is an archipelago in the South Atlantic Ocean on the Patagonian Shelf. The principal islands are about east of South America's southern Patagonian coast and about from Cape Dubouze ...
**
Channels and Fjords of Southern Chile The southern coast of Chile presents a large number of fjords and fjord-like channels from the latitudes of Cape Horn (55° S) to Reloncaví Estuary (42° S). Some fjords and channels are important navigable channels providing access to ports like ...
** Chiloense * Tristan Gough **
Tristan da Cunha Tristan da Cunha (), colloquially Tristan, is a remote group of volcano, volcanic islands in the South Atlantic Ocean. It is the Extreme points of Earth, most remote inhabited archipelago in the world, lying approximately from Cape Town, Sou ...
and
Gough Island upright=1.3, Map of Gough island Gough Island ( ), also known historically as Gonçalo Álvares, is a rugged volcanic island in the South Atlantic Ocean. It is a dependency of Tristan da Cunha and part of the British overseas territory of Sai ...


References

{{Biomes Marine realms Atlantic Ocean Pacific Ocean