The southern dispersal hypothesis and the South Asian archaeological record: Examination of dispersal routes through GIS analysis |
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Authors: | Julie S Field Michael D PetragliaMarta Mirazón Lahr |
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Institution: | Leverhulme Centre for Human Evolutionary Studies, University of Cambridge, Downing Street, Cambridge CB2 3DZ, UK |
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Abstract: | This research advances a model for coastal-based dispersals into South Asia during oxygen isotope stage (OIS) 4. A series of GIS-based analyses are included that assess the potential for expansions into the interior of South Asia, and these results are compared with known archaeological signatures from that time period. The results suggest that modern Homo sapiens could have traversed both the interior and coastlines using a number of routes, and colonized South Asia relatively rapidly. Use of these routes also implies a scenario in which modern H. sapiens, by either increased population growth or competitive ability, may have replaced indigenous South Asian hominin populations. |
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Keywords: | South Asia Human dispersals Coastal routes GIS Modeling |
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