archaeological evidence Argentina 30 Holocene 22 Patagonia 14 human settlement 12 Pleistocene 8 South America 8 hunter-gatherer 8 paleoenvironment 8 Andes 6 Late Holocene 6 Puna 6 Raptores 6 parasite 6 Bacillariophyta 4 Maize 4 Paleoparasitology 4 Rodentia 4 Strigiformes 4 Zea mays 4 agricultural history 4 archaeology 4 classification 4 cultivation 4 diatom 4 feces 4 geomorphological response 4 geophysical method 4 ground penetrating radar 4 history 4