El objetivo de esta investigación es profundizar en el estudio de las migraciones y las presencias indígenas en grandes ciudades en términos de procesos de territorialización. Para ello se describen y analizan las formas de organización que han dado lugar…

The South American giant short-faced bear (Arctotherium angustidens Gervais and Ameghino, 1880) is one of five described Arctotherium species endemic to South America and it is known for being the earliest, largest, and most carnivorous member of the genus. Here…

The Paleontology teams at the Universidade Federal do Acre (UFAC) and the Universidade de Brasília (UnB) worked together in order to increase macro and micropaleontological knowledge of the late Miocene rocks exposed at Niterói (10º08'30''S-67º48'46,3''W), on the right margin of…

Numerosos agentes intrínsecos y extrínsecos afectan de diferentes formas los grados de preservación de restos óseos humanos. La observación de la forma e intensidad en las que tales factores inciden en las características del registro osteológico de una muestra contemporánea…

The role of communities associated to a substrate as fundamental components of an aquatic system has been recognized by many authors. Although periphyton has been considered of great importance in shallow lakes, its inclusion in different ecological models has been…