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Title: Dental metric variability associated with human migration from skeletal remains of two Jomon sites (Yoshigo and Inariyama) in the Atsumi Peninsula area
Authors: MORITA, WATARU
KUSAKA, SOICHIRO
YANO, WATARU
NAKATSUKASA, MASATO  kyouindb  KAKEN_id
Author's alias: 森田, 航
Keywords: dental metric
within-group variation
Jomon period
strontium isotope
migration
Issue Date: 2012
Publisher: 日本人類学会
Journal title: Anthropological Science
Volume: 120
Issue: 2
Start page: 167
End page: 177
Abstract: This study investigated interpopulation genetic relationships in the Jomon Atsumi Peninsula area, comparing the pattern of human migration revealed by strontium isotope ratio with dental metric variation of Yoshigo and Inariyama skeletal remains. Morphological differences were evaluated between the local and immigrant groups to determine whether or not local populations had become completely homogenized by human migration. We have constructed 4 × 4 contingency tables consisting of four clusters derived from K-means clustering of dental measurements and four groups (immigrants and locals of the two sites), and evaluated their correlations by Fisher’s exact test. The results revealed that human migration pattern was significantly correlated with dental metric variation, suggesting that there was regional heterogeneity among Jomon populations in the Atsumi Peninsula area. Although the distinction between immigrants and locals of Yoshigo and Inariyama populations based on strontium isotope analysis was not completely in accord with dental metric variability, most of the identified immigrants exhibited dental profiles that were beyond each local profile as determined using principal component analysis. Furthermore, the dental metric variances of the immigrants were significantly larger than those of the locals, suggesting multiple origins. The microdifferentiation among populations in the Atsumi Peninsula area may suggest nonrandom kin-structured migration and/or population aggregation from surrounding areas.
Rights: © 2012 The Anthropological Society of Nippon
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
URI: http://hdl.handle.net/2433/161800
DOI(Published Version): 10.1537/ase.110428
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