Actual Condition of Maintenance of Irrigation Ponds and Land Use Changes in Its Service Area

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  • OYAMA Shohei
    Graduate School of Environmental and Life Science, Okayama University
  • MORITA Hidenori
    Graduate School of Environmental and Life Science, Okayama University

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Other Title
  • ため池の維持管理状況と受益農地の土地利用変化
  • ため池の維持管理状況と受益農地の土地利用変化 : 香川県さぬき市寒川町を事例に
  • タメイケ ノ イジ カンリ ジョウキョウ ト ジュエキ ノウチ ノ トチ リヨウ ヘンカ : カガワケン サヌキシ サムカワマチ オ ジレイ ニ
  • －香川県さぬき市寒川町を事例に－
  • A Case Study of Sangawa Town, Sanuki City, Kagawa Prefecrure

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Abstract

This study shows the character of land use changes in farmlands and abolition reason of the irrigation ponds for 30 years from 1970s to 2000s as a case study of Sangawa Town, Sanuki City, Kagawa Prefecture by regression analysis. The results of the first regression analysis showed the relevance of a lot of the explanatory variables and land use changes in farmlands. And the results of the second regression analysis showed the relevance of the frequency of mowing and the abolition of the irrigation ponds.

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