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2021 Fiscal Year Final Research Report

Did Jomon population have the similar trend of early agricultural populations ? : Examination based on paleopathology and morphological characteristics

Research Project

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Project/Area Number 19K23117
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeMulti-year Fund
Review Section 0103:History, archaeology, museology, and related fields
Research InstitutionNiigata University of Health and Welfare

Principal Investigator

SASO Aiko  新潟医療福祉大学, リハビリテーション学部, 助教 (10532658)

Project Period (FY) 2019-08-30 – 2022-03-31
Keywordsストレスマーカー / 縄文人 / 古人骨 / 骨膜炎
Outline of Final Research Achievements

Recent studies of Archaeology and paleobotany reveals that plant management and cultivation began in the middle Jomon period. On the other hand, it is known that in the early agricultural populations, traces of undernutrition and stress caused by the immaturity of food cultivation and processing techniques appear on the bones.
In this study, we investigated stress markers showing malnutrition and changes in eating habits, and analyzed what change of physical effects were seen in the Jomon population, which became more dependent on plants from the early to the final period. As a result, periostitis, which shows an effect of infectious diseases, increased the early to the middle Jomon period, whereas the stress marker indicating the effect of load on limb bones and undernutrition tended to decrease.

Free Research Field

自然人類学、骨考古学

Academic Significance and Societal Importance of the Research Achievements

先行研究では縄文人と弥生人の比較により、狩猟社会から農耕社会への移行における身体への影響を論じた研究はいくつかあるが、縄文時代内の時期変化を検討した研究は見当たらない。本研究では予備的にではあるが、時期差の傾向を検出することができた。検出された傾向からは、前期から中期に限られた範囲に人口が集中するといった生活スタイルの変化がおこり、四肢骨への運動負荷が減少したこと、前期から晩期にかけて栄養バランスが向上したことを示唆するものであった。縄文時代内における生業の変化を考える上で、興味深い知見を提示することができたといえる。

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Published: 2023-01-30  

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