cacti in río blanco national reserve, central chile, a high biodiversity valley in los andes

aconcagua andes andino area basin biodiverse biodiversity biome blanco botany cacti cactus catchment chile chilean cold conflict conflicts controversial copper desertic ecoregion endemic environmental extractive extractivism extractivist glaciers habitat high impact industry large matorral mine mineral mining montane mountain mountains nacional native natural nature ore overcast plant pollution range reserva resources river rivers rashy scale sclerophyllous semi shrubland snow species tailings valley water watershed winter wintery