Resolving relationships between several Neolithic and Mesolithic populations in Northern Eurasia using geometric morphometrics

Stansfield (Bulygina), Ekaterina, Rasskasova, Anna, Berezina, Natalia and Soficaru, Andrei D. (2017) Resolving relationships between several Neolithic and Mesolithic populations in Northern Eurasia using geometric morphometrics. American Journal of Physical Anthropology, 164 (1), 163-183. (doi:10.1002/ajpa.23264).

Abstract

Objectives
Remains from several Eastern European and Siberian Mesolithic and Neolithic sites are analysed to clarify their biological relationships. We assume that groups' geographical distances correlate with genetic and, therefore, morphological distances between them.

Materials and Methods
Material includes complete male crania from several Mesolithic and Neolithic burial sites across Northern Eurasia and from several modern populations. Geometric morphometrics and multivariate statistical techniques are applied to explore morphological trends, group distances, and correlations with their geographical position, climate, and the time of origin.

Results
Despite an overlap in the morphology among the modern and archeological groups, some of them show significant morphological distances. Geographical parameters account for only a small proportion of cranial variation in the sample, with larger variance explained by geography and age together. Expectations of isolation by distance are met in some but not in all cases. Climate accounts for a large proportion of autocorrelation with geography. Nearest‐neighbor joining trees demonstrate group relationships predicted by the regression on geography and on climate.

Discussion
The obtained results are discussed in application to relationships between particular groups. Unlike the Ukrainian Mesolithic, the Yuzhny Oleni Ostrov Mesolithic displays a high morphological affinity with several groups from Northern Eurasia of both European and Asian origin. A possibility of a common substrate for the Yuzhny Oleni Ostrov Mesolithic and Siberian Neolithic groups is reviewed. The Siberian Neolithic is shown to have morphological connection with both modern Siberian groups and the Native North Americans.

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Contributors

Author: Andrei D. Soficaru

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