GGR101H1 Lecture 8: GGR101 - 8 - New World Civilizations and their changing environment
20 Apr 2016
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Ggr101 new world civilizations and their changing environment: from beringia to the inca. Wisconsinan glaciation: major advance of north american ice sheets (mis 2) Western coast of alaska and british columbia. Northern artic canada: cordilleran, innuitian, greenland, laurentide, *get map, *get graph, late glacial maximum c. 16,500 bc. Beringia: a land bridge connecting siberia to alaska. Much lower sea level due to global glaciation. Early upper paleolithic siberian cultures: colonized by c. 25,000. Global movement of populations to northern latitudes for the first time: mal"ta-buret" culture. Hunter gatherer subsistence: genetic evidence and ties to north american populations. North american populations descended from northeastern siberian populations. Potential back and forth movement of gene flow. Multiple theories about colonization route: ice free corridor: primary/most popular. Assumes an ice free corridor from beringia (alaska) to southern canada and northern us. Movement of founder populations along pacific coast of alaska and british. Earliest cultures and sites in the americas: north america.
