TITLE

Intermittence for Humans Spreading 45,000 Years Ago: From Eurasia to the Americas

AUTHOR(S)
Flores, J. C.
PUB. DATE
October 2013
SOURCE
Human Biology;Oct2013, Vol. 85 Issue 5, p789
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
From northeastern Eurasia to the Americas, a three-stage spread of modern humans is considered through large-scale intermittence (exploitation/ relocation). Conceptually, this work supports intermittence as a real strategy for colonization of new habitats. For the first stage, northeastern Eurasia travel, we adapt our model to archaeological dates determining the diffusion coefficient (exploitation phase) as D = 299.44 km2/yr and the velocity parameter (relocation phase) as v0 = 4.8944 km/yr. The relative phase weight (≈0.46) between both kinds of motions is consistent with a moderate biological population rate ( r' ≈ 0.0046/yr). The second stage is related to population fragmentation. The last stage, reaching Alaska, corresponds essentially to relocation ( v 0≈ 0.75 km/yr).
ACCESSION #
94970495

 

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