Amazonas (Brazilian state) — Fotopedia
Pic by Neil Palmer (CIAT). Aerial view of the Amazon Rainforest, near Manaus, the capital of the Brazilian state of Amazonas. Please credit accordingly. Contact n.palmer@cgiar.org
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Amazonas (Brazilian state)

Amazonas (Portuguese pronunciation: [ɐmɐˈzõnɐs]) is a state of Brazil, located in the northwestern corner of the country. It is the largest Brazilian State by area and the 9th largest country subdivision in the world.

Neighbouring states are (from the north clockwise) Roraima, Pará, Mato Grosso, Rondônia, and Acre. It also borders Peru, Colombia and Venezuela. This includes the Departments Amazonas, Vaupés and Guainía in Colombia, as well as the Amazonas State, Venezuela, and the Loreto Region in Peru.

Amazonas is named after the Amazon River, and was formerly part of the Spanish Viceroyalty of Peru, a region called Spanish Guyana. It was settled by the Portuguese in the early 18th century and incorporated into the Portuguese empire after the Treaty of Madrid in 1750. It became a state of the Brazilian Republic in 1889.

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List of the largest country subdivisions by area

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Geography of South America

The geography of South America contains many diverse regions and climates. Geographically, South America is generally considered a continent forming the southern portion of the American landmass, south and east of the PanamaColombia border by most authorities, or south and east of the Panama Canal by some. South and North America are sometimes considered a single continent or supercontinent, while constituent regions are infrequently considered subcontinents. Geopolitically and geographically, all of Panama—including the segment east of the Panama Canal in the isthmus—is generally considered a part of North America alone and among the countries of Central America.

South America became attached to North America only recently (geologically speaking) with the formation of the Isthmus of Panama some 3 million years ago, which resulted in the Great American Interchange. The Andes, likewise a comparatively young and seismically restless mountain range, run down the western edge of the continent; the land to the east of the northern Andes is largely tropical rain forest, the vast Amazon River basin. The continent also contains drier regions such as eastern Patagonia and the extremely arid Atacama desert.

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Brazil i/brəˈzɪl/ (Portuguese: Brasil, IPA: [bɾaˈziw]), officially the Federative Republic of Brazil (Portuguese: República Federativa do Brasil,  listen ), is the largest country in both South America and the Latin American region. It is the world's fifth largest country, both by geographical area and by population. It is the largest Portuguese-speaking country in the world, and the only one in the Americas.

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Intact forest landscape

An Intact Forest Landscape (IFL) is an unbroken natural landscape of a forest ecosystem and its habitatplant community components, in a current extant forest zone. It is a natural environment with no signs of significant human activity or habitat fragmentation, and of sufficient size to contain, support, and maintain the complex of indigenous biodiversity of viable populations of a wide range of biota genera and species, and their ecological effects.

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List of countries by forest area

This article is a list of places by forest area. Types of places listed include the entire planet, continents, regions, countries, provinces, states, and territories. Percentage data was calculated using information from the CIA's World Factbook 2011.

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Neotropic ecozone

The Neotropic ecozone is one of the eight ecozones dividing the Earth's surface.

Physically, it includes the tropical terrestrial ecoregions of both Americas and the entire South American temperate zone.

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List of rivers of Amazonas (Brazilian state)

List of rivers in Amazonas (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. Amazonas is located entirely within the Amazon Basin.