Xingu-Tocantins-Araguaia moist forests Xingu-Tocantins-Araguaia moist forests The Xingu-Tocantins-Araguaia moist forests (NT0180) is an ecoregion in the eastern Amazon basin. It is part of the Amazon biome. The ecoregion is one of the most severely degraded of the Amazon region, suffering from large-scale deforestation and selective extraction of timber, particularly along the Trans-Amazonian Highway and in the higher and more populated southern portions. The Xingu-Tocantins-Araguaia moist forests ecoregion has an area of . It lies to the south of the Amazon River in eastern Brazil. The Xingu River defines the western boundary and the Tocantins River defines the eastern boundary. To the south the
American River American River The American River (Río de los Americanos during the period before 1847 ruled by Mexico) is a 120-mile-long river in California that runs from the Sierra Nevada mountain range to its confluence with the Sacramento River in the Sacramento Valley. Via the Sacramento River, it is part of the San Francisco Bay watershed. This river is fed by the melting snowpack of the Sierra Nevada and its many headwaters and tributaries, including the North Fork American River, the Middle Fork American River, and the South Fork American River. The American river is known for the discovery of gold