2022 Fiscal Year Final Research Report
Interdisciplinary Research of the Behavioral Patterns by Pleistocene Humans in the Shimokita Peninsula Located in the Biogeographic Boundary
| Project/Area Number |
18H00742
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Review Section |
Basic Section 03050:Archaeology-related
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| Research Institution | Keio University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
佐藤 孝雄 慶應義塾大学, 文学部(三田), 教授 (20269640)
奈良 貴史 新潟医療福祉大学, リハビリテーション学部, 教授 (30271894)
澤田 純明 新潟医療福祉大学, リハビリテーション学部, 准教授 (10374943)
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| Project Period (FY) |
2018-04-01 – 2022-03-31
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| Keywords | 更新世 / 生物分布境界 / 下北半島 / 洞窟 / 岩陰 / 行動様式 |
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| Outline of Final Research Achievements |
In the first half of the research period(2018-2019), we conducted a complementary excavation of the Shitukari-Abe Cave and a survey of the distribution of Paleolithic sites in the Shimokita Peninsula. In the former survey, the shape of the cave was investigated in detail, and the formation period and factors were identified. In the latter survey, five new caves and rock shelters were found and excavated, but no paleolithic culture layer was confirmed.
In the second half of the survey period(2020-2022), the research plan was changed due to the influence of the new coronavirus, and physical and chemical analyzes such as identification of mining area of the stone materials used for the paleolithic excavated from the Shitukari-Abe Cave and the dating of the excavated animal bones were performed.
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| Free Research Field |
先史考古学
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| Academic Significance and Societal Importance of the Research Achievements |
新型コロナウイルスの影響により野外調査の実施が困難な時期が続いたため、研究内容の変更を余儀なくされた。しかし、北海道と本州島の文化的結節点である青森県下北半島において、①分布調査により洞穴の分布状況を詳細に把握し、試掘調査を通して旧石器時代における洞穴の占地や利用の傾向が明らかにしたこと、②遺跡等出土動物骨の理化学的年代測定により、洞窟の使用年代を詳細に把握したこと、そして③旧石器使用石材の産地推定を通して当該期の人々の日常的行動範囲を具体的に示したことは、同地域更新世人類集団の行動様式の内容や変化を総合的に解明し、さらに北海島と本州島の関係性を理解する上で学術的に大きな意義がある。
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