RIDC

Dynamics of Civilizations volume5
2026-03 発行

Radiocarbon dating, dietary habits, and genetic characteristics of ancient skeletal remains excavated from the Inome Cave Site in Shimane Prefecture

KANZAWA-KIRIYAMA, Hideaki Division of Human Evolution, Paleontology and Anthropology, National Museum of Nature and Science, Tsukuba City, Ibaraki Prefecture
TAKIGAMI, Mai Division of Human Evolution, Paleontology and Anthropology, National Museum of Nature and Science, Tsukuba City, Ibaraki Prefecture
KAKUDA, Tsuneo Department of Legal Medicine, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi
SPEIDEL, Leo Center for Interdisciplinary Theoretical and Mathematical Sciences, RIKEN
HELLENTHAL, Garrett Department of Genetics, Evolution and Environment, University College London Genetics Institute (UGI), University College London
BIRD, Nancy Department of Genetics, Evolution and Environment, University College London Genetics Institute (UGI), University College London
KAWAI, Yousuke Genome Medical Science Project, National Institute of Global Health and Medicine, National Institute for Health Security
NCBN Controls WGS Consortium
SAKAMOTO, Minoru National Museum of Japanese History
KAMEDA, Yuichi Division of Human Evolution, Paleontology and Anthropology, National Museum of Nature and Science, Tsukuba City, Ibaraki Prefecture
ADACHI, Noboru Department of Legal Medicine, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi
SHINODA, Ken-ichi National Museum of Nature and Science
SAITOU, Naruya National Institute of Genetics
HAMADA, Tatsuhiko Research Institute for the Dynamics of Civilizations, Okayama University
Publication Date
2026-03
Abstract
This paper reports on the integrative research findings of the human bones excavated from the Inome Cave Site in Shimane Prefecture, based on dietary estimation using carbon and nitrogen isotope analysis, radiocarbon dating, and whole genome analysis. The dates of the analyzed human bones span a wide range, from the Middle to Late Kofun period, the Nara period to the Early Heian period, and the Middle to Late Heian period, indicating that the Inome Cave Site was continuously used as a burial place. Dietary habits were a mixture of C3 resources (C3 plants and terrestrial animals that consumed C3 plants) and marine resources, with individual variations in the intake of marine and terrestrial resources. A correlation was observed between differences in dietary habits and individual variations in the Jomon ratio in the nuclear genome, with individuals who consumed higher amounts of marine resources tending to have a higher Jomon ratio. This suggests that individuals with different backgrounds were buried in the same site due to interactions with surrounding settlements.
Document Type
論文 (Research article)
Keywords
Inome Cave Site
human bone
radiocarbon dating
dietary habits
ancient genome
ISSN
2436-8326
JaLC DOI
DOI: