東京大都市圏における野菜生産の地域的展開
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概要
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This paper examines the formation and locational movement of vegetable production regions within Tokyo Metropolitan Area composed of 350 municipal districts, with reference to location theory of agriculture. In this paper, first, the temporal and spatial changes of vegetable production during the period from 1960 to 1990 are discussed. Secondly, the formation and locational movement of vegetable production regions are analyzed in detail. Thirdly, the major vegetable production regions of Tokyo Metropolitan Area are classified and their characteristics are considered. At prefecture level, the regional differences in the changes in both harvested area and value of production of vegetable production were observed in the Kanto District within which Tokyo Metropolitan Area is included. As regards changes of spatial distribution of vegetable production in Tokyo Metropolitan Area, in 1960s, vegetable production regions with higher intensity are concentrated in and around peripheral built-up area of Tokyo City. The intensity of vegetable production is likely to decrease with increasing distance from there; the Thunen Model of spatial patterns in farming types fits this spatial distribution pattern of vegetable production in Tokyo Metropolitan Area. But, as the urbanized area expanded, the conditions of transportation were improved and the marketing changed in Tokyo Metropolitan Area, the vegetable production regions moved from urban fringe to urban shadow and rural hinterland; the Thunen patterns were no longer held in Tokyo Metropolitan Area. In spatial profile from the center to the edge of Tokyo Metropolitan Area, agricultural land use around the built-up area gets extensive and vegetable production declines in respect of both harvested area and the number of vegetable farmers. And also, an intensive vegetable production region emerged in the 20-30 km belt away from the center of Tokyo. Moreover, a vegetable production region with higher productivity is distributed in the 50-60 km belt (from the center of Tokyo). Therefore, the Bryant Model can be applied to the spatial distribution pattern of vegetable production mentioned-above. The main vegetable production regions of Tokyo Metropolitan Area are thus classified into three types: the maintenance type of suburban agriculture, the higher developed type of non-paddy cultivation and the conversion type from sericulture.
- 地理科学学会の論文