Known as anecúmene ( from the Greek do ½-" not " and do a¼½· ° " inhabited " ) areas of land that were once unknown by a culture or, nowadays, where human beings do not live nor procrea permanently. They are thus those places uninhabited or with small number of population, and are opposed to the permanently occupied areas or oikoumene. Some of these areas are the large ice caps of the poles; deserts, with 1 to 10 inhabitants/km²; and the warm humid ( 41 rainforest; with 2 hab/km².
