Stretching in a broad arc across western Bolivia, the Andes define the country's geographic zones. The Western zone features the Andes and the Altiplano. The Central zone features the Semitropical Yungas, the Highland Valleys, and the Gran Chaco. The Eastern Zone features the Tropical Lowlands.
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Ecoregions of Bolivia
The Beni savanna is an ecoregion located in the Beni Department of northern Bolivia. Also known as the Llanos de Moxos, it is the third-largest savanna complex in South America and is found in the lowlands of the southwestern Amazon basin, extending northeast from the foot of the Andean ranges.
The Bolivian montane dry forests ecoregion in Bolivia, on the eastern side of the Andes, is a transitional habitat between the puna grasslands higher up to the west and the Chaco scrub to the east. Steep hillsides, cliffs and valleys characterize this dry region.
The Bolivian yungas is a tropical and subtropical moist broadleaf forest ecoregion in the yungas of west-central Bolivia and extreme southeastern Peru. Steep terrain, high precipitation, and difficult access have kept much of this ecoregion in a natural state.
The Central Andean dry puna ecoregion is a dry, high-elevation grassland of the high southern Andes, extending through western Bolivia, northern Chile, and Argentina. Dry puna is distinguished from other types of puna by its annual rainfall or lack thereof.
The Central Andean puna ecoregion is a high-elevation montane grassland and shrubland of South America and is part of the Puna grassland region. It is located in the high southern Andes, extending from southern Peru through Bolivia into northern Argentina.
The Central Andean wet puna ecoregion is a high elevation, moist, montane grassland in the high southern Andes in Peru and eastern Bolivia. It comprises bunchgrass communities, wetlands, small shrubs and trees, and herbaceous plants.
The Cerrado is the largest savanna region in South America and the largest ecoregion in the Americas. It encompasses central Brazil as well as small portions of Paraguay and Bolivia. Biologically the richest savanna in the world, it contains extraordinary biodiversity.
The Dry Chaco ecoregion, or Gran Chaco, is a sparsely populated, hot, semi-arid lowland alluvial plain of the Río de la Plata basin. It is divided among eastern Bolivia, western Paraguay, northern Argentina, and a portion of Brazil. The Chaco contains South America's second-largest forest after the Amazon.
The Pantanal is a natural region encompassing the world's largest tropical wetland. This gigantic seasonal floodplain lies mainly within Mato Grosso, and Mato Grosso do Sul in the Center-West Region of Brazil. However, small portions extend into northeastern Paraguay and southeastern Bolivia.
The Southern Andean Yungas is a tropical and subtropical moist broadleaf forest ecoregion in the yungas of southwestern Bolivia and northwestern Argentina. It contains what may be the last of the isolated evergreen forests resulting from Quaternary glaciations.