WERE CLOVIS PROGENITORS IN BERINGIA

摘要: The Clovis culture represents the earliest clearly defined known in North America and is restricted to a period of only 500 years between 11,500 11,000 ago. tool kits vary from site site, there are regional variations although samples still woefully inadequate determine differences lifestyles. people appear have been foragers but primarily were hunters mammoth bison for both food material resources. An Old World origin seems probable on basis comparisons their bone stone technology with that Europe Siberia during late Paleolithic. In eastern before BP, two distinct lithic traditions, one dominated by microblades (Dyuktai) without (Mal'ta-Afontova). may descendant latter people, who crossed Beringia pursuit big game 20,000 15,000 ago when steppe-tundra united northern continents. Subsequent decline Pleistocene megafauna after BP led hunting cultures farther south-eastward until they passed habitats M. primigenius those columbi jeffersoni about 13,000 12,000 nearly explosive increase spread thereafter direct result this contact resources not previously exploited man, or at least intensity brought bear specialists. dispersal took place greatest environmental change subsequent end Sangamon interglacial. combination was more than many elements could withstand.