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Southern Cone

Southern subregion of South America

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Through South America, Atlantic Ocean and Human Development Index

The Southern Cone is the subregion with the second highest Human Development Index and standard of living in the Americas, after Northern America.

Geography and extent

Countries

In most cases, the term "Southern Cone" refers specifically to Chile, Argentina, and Uruguay, due to their geographical, cultural, ethnic, and economic similarities.

Other regions

Brazil

Brazil's four southernmost states (Paraná, Rio Grande do Sul, Santa Catarina and São Paulo) share characteristics with Argentina, and Uruguay (similar local climate, high standard of living, high levels of industrialization and greater percentage European ethnic component due to immigration). Brazil's other states are more similar to the other South American countries in these issues.

When the definition is not limited to entire countries, the states of the South Region and the state of São Paulo are generally included.

Paraguay

Due to the geographical proximity, common history, geography and political cycles, Paraguay is sometimes included in what is meant by Southern Cone, geographically speaking, but excluded due to differences in climate, economy and development, and cultural identity. While Chile, Argentina, Uruguay, and Southern Brazil are located in the southernmost part of South America, with temperate climates and a dominant European ancestry shaping their demographics and culture, Paraguay is a landlocked country further north, with a subtropical climate and a unique cultural identity rooted in its Guaraní heritage. Economically, Paraguay has a lower Human Development Index (HDI) compared to the Southern Cone countries, which rank among the highest in Latin America. Paraguay’s economy, focused on agriculture and hydroelectric power, is also less diversified and globally integrated.

Climate

The climates are mostly Mediterranean temperate, but include humid subtropical, highland tropical, maritime temperate, sub-Antarctic temperate, highland cold, desert and semi-arid temperate regions. (Except for the northern regions of Argentina (thermal equator in January), the whole country of Paraguay, the Argentina-Brazil border and the interior of the Atacama Desert). The region rarely suffers from heat. In addition to that, the winter presents mostly cold temperatures. Strong and constant wind and high humidity are what brings low temperatures in the winter.

One of the most peculiar plants of the region is the Araucaria tree, which can be found in Chile, Argentina and parts of Brazil. The only native group of conifers found in the southern hemisphere had its origin in the Southern Cone. Araucaria angustifolia, once widespread in Southern Brazil, is now a critically endangered species, protected by law. The prairies region of central Argentina, Uruguay and southern Brazil is known as the Pampas.

Central Chile has Mediterranean vegetation and a Mediterranean climate, grading southward into an oceanic climate. The Atacama, Patagonian and Monte deserts form a diagonal of arid lands separating the woodlands, croplands and pastures of La Plata basin from Central and Southern Chile. Apart from the desert diagonal, the north–south running Andes form a major divide in the Southern Cone and constitute, for most of its part in the southern cone, the Argentina–Chile border. In the east the river systems of the La Plata basin form natural barriers and sea lanes between Argentina, Brazil, Paraguay and Uruguay.

The Atacama Desert is the driest place on Earth, with some regions having no recorded rainfall in history.


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