Decision support based on landscape analysis for planning of an ancient mountain castle ruin park in Miyazaki, southern Kyushu
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概要
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Mukasa ruin of ancient mountain castle, located in Miyazaki, southern Kyushu, has been designated as a National Historic Ruin by Agency for Cultural Affairs, and requires an appropriate strategy of management. Management of this type of mountain castle ruin should take into account the two aspects of management objectives : preservation of topography (which itself has a historic value), and promotion of educational use. We aimed to propose a decision support model based on functional evaluation of site and vegetation conditions in relation to these two aspects, and to examine its usefulness by sensitivity analysis. Two axes corresponding to these two aspects were evaluated by scoring the relating topography and vegetation features hierarchically. In the scoring procedure, unchangeable factors such as topography or the academic value of each ruin part were weighed more than those which can be improved by management practices such as vegetation types or structure. Based on the combination of the scores of two axes, focal parts of the ruin area were classified into four types having different management objectives : 1) intensive management compatible with both conservation and educational use, 2) conservation-preferred management, 3) educational use-preferred management, and 4) less intensive management. This method was able to provide objective priority and required intensiveness of management simultaneously. Sensitivity analysis was performed by producing four different alternatives using different threshold scores for two axes. By overlaying the alternatives, several parts were extracted to have a consistent management objective throughout the all alternatives. These parts were considered to be the cores for establishing a management plan considering different potential opinions setting different priorities. These analyses enabled to provide information for efficient decision support.
- 日本景観生態学会の論文
日本景観生態学会 | 論文
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