46 



Monte province: Western Argentina, in southern Salta, central Catamarca and La Rioja, central and eastern 

 San Juan, Mendoza and Neuquen, western La Pampa and northeastern Chubut. Shrubby xerophytic steppes 

 and marginal forests. Northern areas with summer rains (between 80 and 200 mm) and winter and spring 

 rains in southern regions. The predominance of shrubs of he genus Larrea (Jarilla) is characteristic. 

 Pampean province: In the plains of eastern Argentina between 31° and 39" S. Mostly Buenos Aires, 

 southern Entre Ri'os, Santa Fe and Cordoba, eastern end of La Pampa and San Luis. Typically, grassland 

 steppes with 600 to 1 100 mm of rain per year and frosts in winter. 



Pampean Austral district: Southern Buenos Aires. The grassy steppes with predominance of the genus 

 Stipa are characteristic. 



Andean - Patagonian Domain: Western extreme of Argentina in the Puna Region and Andean Range to 

 southern Mendoza and in the Patagonia. Dry and cold climate with frost throughout the year and snow in 

 winter. 



Altoandina province: High mountains in western areas, from the Argentinian - Bolivian boundary to Tierra 

 del Fuego. High mountain climate, dry and cold, with snow and hail throughout the year. 

 Puna province: High mountains and altiplanes of northwestern region, from the Argentinian - Bolivian 

 boundary to Mendoza. Col and dry climate. 



Patagonica province: From central Mendoza toward southwestern Neuquen and Rio Negro, Chubut, Santa 

 Cruz and northeastern Tierra del Fuego. The predominant vegetation is steppes with cold and dry climate. 



Austral Region: 



Subantarctic Domain: In Austral Andes, Cordillera de la Costa (Coastal Range) in Chile, from 37''S to 

 southern continental tip, including the islands north of 60" S. Cold template to cold climate, humid, with frost 

 throughout the year and snow in winter. 

 Subantarctic province: A narrow band west of Patagonic province, from Neuquen to Tierra del Fuego and 

 Isla de los Estados. Deciduous and perennial forests, with humid, template to cold climate. 



