Humid Chaco

Humid Chaco
Humid Chaco
	Near Resistencia, Chaco, Northeastern Argentina
Ecology
Realm	Neotropical
Biome	tropical and subtropical grasslands, savannas, and shrublands
Borders	List Argentine Espinal; Alto Paraná Atlantic forests; Cerrado; Dry Chaco; Pantanal; Paraná flooded savanna; Southern Cone Mesopotamian savanna;
Geography
Area	291,596 km2 (112,586 sq mi)
Countries	Paraguay; Argentina,; Brazil; Uruguay;
Conservation
Protected	35,949 km² (12%)

The Humid Chaco (Spanish: Chaco Húmedo or Chaco Oriental) is tropical grasslands, savannas, and shrublands ecoregion in South America. It lies in the basin of the Paraná River, covering portions of central Paraguay and northern Argentina, and with a small portion of southwestern Brazil and northwestern Uruguay. The natural vegetation is a mosaic of grasslands, palm savanna, and forest.

^ Eric Dinerstein, David Olson, et al. (2017). An Ecoregion-Based Approach to Protecting Half the Terrestrial Realm, BioScience, Volume 67, Issue 6, June 2017, Pages 534–545; Supplemental material 2 table S1b. [1]