Tuesday, December 28, 2004

Argentina, The Northwest

Vegetation in the Northwest region includes that of the high puna desert, the forested slopes of the Andes, and the subtropical scrub forests of the Pampean Sierras, the latter merging with the deciduous scrub woodlands of the Gran Chaco. Vegetation on the mostly exposed soil of the puna consists of dwarf shrubs and tough grasses, notably bunchgrass; these and other