東京の丘陵地における緑地保全制度の変遷と実態に関する研究

概要

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This paper studies the changes and the actual conditions of the landscape conservation policies in the Tokyo 9hills tracts (Sayama, Kaji, Nagabuchi, Itsukaichi, Kasumi, The 1st Hachioji, The 2nd Hachioji, The north Tama, and The south Tama). On the basis of the studies of historical open space policies and existing green space distribution in each hill using GIS, the following points were revealed; 1)The measures of the open space policies in 9hills have changed according to the demands of the times. The history of the policies was divided into 4 epochs in terms of their concept. 2) The main policy concepts now are the system of vegetation management, usage of parks in hills, and zoning of conservation area. 3) For preserving green open space in hills, the permitting systems of development action based on the City Planning Act were much more effective than the notification systems of them.