Development of environmental policy evaluation model by integrated sustainability index

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To develop Sustainability Index for environmental assessment in rural area, scenario development and environmental assessment by model simulation were conducted. At first, water and nitrogen balance model was developed, and then material circulation by biomass utilization scenario was considered for scenario development system. Finally, development scenarios were classified in each clusters based on the city/village database in Kasumigaura basin in Ibaraki analyzed by cluster analysis and principal component analysis.