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Demic diffusion
From Wikipedia, the free encyclopedia
Demic diffusion is an archaeological term that refers to population diffusion into and across an area previously uninhabited by that group, possibly displacing, replacing, or intermixing with a pre-existing population (e.g. as has been suggested for the spread of agriculture across Neolithic Europe, and what occurred with the European colonization of the Americas).
It has been hypothesized that the spread of agriculture into Europe, for example, occurred by the expansion and spread of agriculturists consistent with the demic diffusion model.
- Estimating the Impact of Prehistoric Admixture on the Genome of Europeans, Oxford Journals, 2004 (CEE=Central Eastern Europe; CEW=Central Europe West; EE=Eastern Europe; IberiaP=Portugal; IberiaS=Spain; ItalyN=Northern Italy; ItalyS=Southern Italy)
- Y genetic data support the Neolithic demic diffusion model, Chikhi 2002.
- Paleolithic and Neolithic lineages in the European mitochondrial gene pool, Cavalli-Sforza 1997.
- Clines of nuclear DNA markers suggest a largely Neolithic ancestry of the European gene, Chikhi 1997.
- Chicki, L; Nichols, RA; Barbujani, G; Beaumont, MA. 2002. Y genetic data support the Neolithic demic diffusion model. Proc. Nat. Acad. Sci. 99(17): 11008-11013.
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