The Alto Paraná Atlantic forests, also known as the Paraná-Paraíba interior forests, is an

ecoregion An ecoregion (ecological region) or ecozone (ecological zone) is an ecologically and geographically defined area that is smaller than a bioregion, which in turn is smaller than a biogeographic realm. Ecoregions cover relatively large areas of l ...

of the tropical moist forests

biome A biome () is a biogeographical unit consisting of a biological community that has formed in response to the physical environment in which they are found and a shared regional climate. Biomes may span more than one continent. Biome is a broader ...

, and the South American

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 th ...

biome. It is located in southern Brazil, northeastern

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...

, and eastern

Paraguay Paraguay (; ), officially the Republic of Paraguay ( es, República del Paraguay, links=no; gn, Tavakuairetã Paraguái, links=si), is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to ...

Geography

The Alto Paraná Atlantic forests are an interior extension of the coastal forests, extending across the southern portion of the

Brazilian Highlands The Brazilian Highlands or Brazilian Plateau ( pt, Planalto Brasileiro) are an extensive geographical region, covering most of the eastern, southern and central portions of Brazil, in all approximately half of the country's land area, or some 4,5 ...

. The ecoregion extends from the mouth of the

Paraíba do Sul River Paraíba ( Tupi: ''pa'ra a'íba''; ) is a state of Brazil. It is located in the Brazilian Northeast, and it is bordered by Rio Grande do Norte to the north, Ceará to the west, Pernambuco to the south and the Atlantic Ocean to the east. Paraíba ...

eastward along the Paraíba valley lying behind the coastal

Serra do Mar The Serra do Mar (, Portuguese for ''Sea's Ridge'' or ''Sea Ridge'') is a 1,500 km long system of mountain ranges and escarpments in Southeastern Brazil. Geography The Serra do Mar runs parallel to the Atlantic Ocean coast from the state ...

, and further eastward and northward along the basin of the

Paraná River The Paraná River ( es, Río Paraná, links=no , pt, Rio Paraná, gn, Ysyry Parana) is a river in south-central South America, running through Brazil, Paraguay, and Argentina for some ."Parana River". Encyclopædia Britannica. Encyclopædia Br ...

and its tributaries, forming a complex mosaic with the surrounding ecoregions. ;States, provinces, and departments The ecoregion covers portions of the Brazilian states of

Minas Gerais Minas Gerais () is a state in Southeastern Brazil. It ranks as the second most populous, the third by gross domestic product (GDP), and the fourth largest by area in the country. The state's capital and largest city, Belo Horizonte (literall ...

São Paulo São Paulo (, ; Portuguese for ' Saint Paul') is the most populous city in Brazil, and is the capital of the state of São Paulo, the most populous and wealthiest Brazilian state, located in the country's Southeast Region. Listed by the Ga ...

Goiás Goiás () is a Brazilian state located in the Center-West region. Goiás borders the Federal District and the states of (from north clockwise) Tocantins, Bahia, Minas Gerais, Mato Grosso do Sul and Mato Grosso. The state capital is Goiânia. ...

Mato Grosso do Sul Mato Grosso do Sul () is one of the Midwestern states of Brazil. Neighboring Brazilian states are (from north clockwise) Mato Grosso, Goiás, Minas Gerais, São Paulo and Paraná. It also borders the countries of Paraguay, to the southwest, and ...

, Paraná, Santa Catarina, and

Rio Grande do Sul Rio Grande do Sul (, , ; "Great River of the South") is a state in the southern region of Brazil. It is the fifth-most-populous state and the ninth largest by area. Located in the southernmost part of the country, Rio Grande do Sul is border ...

, the Argentine province of

Misiones Misiones (, ''Missions'') is one of the 23 provinces of Argentina, located in the northeastern corner of the country in the Mesopotamia region. It is surrounded by Paraguay to the northwest, Brazil to the north, east and south, and Corrientes ...

, and the Paraguayan departments of Alto Paraná,

Amambay Amambay () is a department in Paraguay. The capital is Pedro Juan Caballero. The name comes from the name of a part of the Caaguazú Cordillera, " Amambai Mountains". Amambay is the name of a fern, typical of the forest in the region. Distric ...

, Caaguazú,

Caazapá Caazapá () is a city in Paraguay, founded in 1607, by Friar Luis de Bolaños. It is located in the Caazapá District and is the capital of the Caazapá Department. The name Caazapá comes from the Guarani words "Ka'aguy jehasapa" which means ...

, Canindeyú, Concepción, Guairá, and Itapúa. ;Adjacent ecoregions The

Cerrado The ''Cerrado'' (, ) is a vast ecoregion of tropical savanna in eastern Brazil, particularly in the states of Goiás, Mato Grosso do Sul, Mato Grosso, Tocantins, Minas Gerais, and the Federal District. The core areas of the Cerrado biome are th ...

lie to the north and east (in São Paulo), entwining with the Paraná-Paraíba forests in a complex mosaic. The Serra do Mar coastal forests lie to the south, on the Atlantic side of the Serra do Mar range. The Alto Paraná Atlantic forests wrap around the north, east, and south of the Araucaria moist forests, which cover a higher-elevation portion of the plateau in Paraná, Santa Catarina, and northern Rio Grande do Sul states. The

Uruguayan savanna The Uruguayan savanna, also known as the Brazilian-Uruguayan savanna, is a subtropical grassland and savanna ecoregion which includes all of Uruguay and southernmost Brazil, along with portions of Argentina along the Uruguay River, In Brazil, th ...

lies to the south, and to the west lie the Southern Cone Mesopotamian savanna and the Humid Chaco in Argentina and Paraguay, respectively.

Climate

The climate of the ecoregion is subtropical, with of rainfall per year. The winter dry season extends from April to September.

Flora

The main vegetation type is semi-deciduous forests, akin to the other interior forest ecoregions of the Atlantic forests. Approximately 40% of the trees lose their leaves during the winter dry season.

Protected areas

5.95% of the ecoregion is in protected areas. Protected areas include Iguazú, Caazapa, Cerro Cora, Itatiaia, Ybycui, Ñacunday, San Rafael, and Saltos del Guairá national parks, and

Caetetus Ecological Station The Caetetus Ecological Station ( pt, Estação Ecológica dos Caetetus) is a state-level Ecological station (Brazil), ecological station (ESEC) in the state of São Paulo (state), São Paulo, Brazil. It protects one of the last remnants of the sem ...

, Paulo de Faria Ecological Station, Ybera Scientific Reserve, Alto Iguazu Wilderness Nature Reserve, Urugua-í Wildlife Reserve, and Marília Ecological Station.

References

External links