自然資源とレクリエーション資源を考慮した自然公園のゾーニング手法の検討

概要

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In order to balance the conservation of landscape and the promotion of recreational use, it is necessary to investigate the geographical characteristics of natural and recreational resources, and to apply rational planning process. In this study, we examined the zoning method using the geographical information system in Shikotsu Jozankei Area of Shikotsu Toya National Park, Japan. Forest compartments were ranked by five conservation importance indexes (vegetation naturalness, vegetation diversity, special plant community, geological formation and natural phenomenon) and four recreational usability indexes (slope, accessibility, distance from facility and viewshed). Then compartments were grouped into five clusters by the nonhierarchical cluster analysis. Comparison with current zoning in the area showed us similarities and some discrepancies. Some areas as ranked higher conservation values have been zoned into Ordinary areas which are designated as the least important area.