Some Problems of the Jori System in the Iga Province

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概要

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• There are many subjects to make clear the agrarian system of the ancient Japan. It is still the first problem to reconstitute this old system called Jori in detail. Encouraged by such a motive, the authors have researched into the Jori system of the Iga province which was adjacent to Yamato as the cultural and political center of the ancient Japan. The results obtained are as follows:1) One can find the agrarian landscape of the ancient Jori system in the Iga and Nabari basins which constituted the Iga province. This system was executed in the paddy field of the alluvial plain more than 135 meters above the sea level, avoiding the very marshy land. However, it was not continuous by reason of the undulating landform and the direction of the Jori typed land division was not fixed.2) In the district where the Jori landscape can be seen, the paddy field is very dominant, usually can raise two crops a year and its productivity is very higher than any other districts.3) The authors reconstituted the method of allotment of "Tsubo" according to the Jori system, which belonged to the serial pattern as well as the township in United States. But it is to be regretted that they could not succeed in the complete reconstitution for every case of the ancient counties.4) The Jori system of the Iga province is divided into four blocks: the Tsuge valley (ancient Abe-gun), the Hattori valley (ancient Yamada-gun), the Nagata valley (ancient Iga-gun), the Nabari valley (ancient Nabari-gun). The authors consider that the "Jo" in the Jori system was numbered in the same directions as the rivers flowed and the "Ri" in the directions at right angles to the rivers.5) In the ancient Iga, the "Kokufu" was also established as the administrative center of the province. It was situated to the eastern quarter of the Ijiro village and its plan followed the Jori system.6) There were two castle towns in the feudal times. The plan of the Nabari town followed the ancient Jori, but in the case of Ueno town, one can not find the same fact.

• 人文地理学会の論文

著者

• 谷岡 武雄

  立命館大学

• 福永 正三

  上野高等学校

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• Some Problems of the Jori System in the Iga Province

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