2023 Fiscal Year Final Research Report

Elucidating the Actual Conditions of Late Antique Defensive Settlements and Reconstructing the History of Northeast Asia, Including the Northern World of Japan in the Medieval Transition Period

Research Project

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Project/Area Number	19H01297
Research Category	Grant-in-Aid for Scientific Research (B)
Allocation Type	Single-year Grants
Section	一般
Review Section	Basic Section 03010:Historical studies in general-related
Research Institution	Hosei University
Principal Investigator	Oguchi Masashi 法政大学, 文学部, 教授 (00177198)
Co-Investigator(Kenkyū-buntansha)	八木光則岩手大学, 平泉文化研究センター, 客員教授 (00793473) 小嶋芳孝金沢大学, 古代文明・文化資源学研究所, 客員教授 (10410367) 岩井浩人青山学院大学, 文学部, 准教授 (10582413) 右代啓視北海道博物館, 研究部, 学芸員 (30213416) 鈴木琢也北海道博物館, 研究部, 学芸主幹 (40342729)
Project Period (FY)	2019-04-01 – 2023-03-31
Keywords	防御性集落 / 防御的集落 / 要害内集落 / 交易と交流 / 須恵器 / 鉄器 / ガラス玉 / 北の内海世界
Outline of Final Research Achievements	In this study, we were able to approach the reality of settlements with a strong defensive character that commonly existed in Northeast Asia from the Late Antiquity to the Middle Ages, the actual conditions of which were unclear. The detailed clarification of the structure and location of these settlements has confirmed that they were strongly defensive in nature. At the same time, it also became clear that there were various patterns in the structure of the settlements, and we were able to clarify the background of each settlement. Finally, we were able to identify a large number of artifacts that indicate direct contact with the continent, mainly in Hokkaido, and we were able to prove that trade and exchange, which can be regarded as a prominent feature of the northern world, were involved in the establishment of these settlements.
Free Research Field	古代中世北方史
Academic Significance and Societal Importance of the Research Achievements	古代末期から中世成立期にかけての北方世界に関する文献史料は少ない。存在するものも多くは中央の視点で書かれたものである。しかしこの時代の北方世界においてはそうした史料には登場しない、防御的な集落が存在することを示すことができた。こうした防御性については今なお学界で懐疑的見解が存在するが、本研究によって、その存在は確実になった。これによって日本史における多様性を重視する、「もう一つの日本」論をさらに進めることを実現し、交易と交流によって栄えた北方世界の実態について、新しい光を当てることとなった。その論証過程においては南北の流通状況を詳細に解明でき、これまでの研究の欠を補うものとなった。