Analysis of changes in management plans and their implementations in Kisodani National Forest : A case study at Agematsu forest district

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  • 木曽谷国有林における施業計画の変遷とその実行 : 旧上松営林署を事例として
  • キソダニ コクユウリン ニ オケル シギョウ ケイカク ノ ヘンセン ト ソノ ジッコウ キュウ アゲマツ エイリンショ オ ジレイ ト シテ

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The forest management policy in the Japanese national forests has shifted from timber production to one that emphasizes environmental functions since 'The New Forest Practice in National Forests" was established in 1973. The objective of this study is to show how this change affects forestry practice in unit scale of forest management. The management plans in Agematsu Forest District in Kisodani from 1967 to 1997 were analyzed and compared with the practices. The results of the analysis showed that the policy of plans at the Agemastu Forest District had changed with the whole national forest. At first, felling volume was reduced because over cutting in the early 60s caused the decline of forest resources. Secondly, "The New Forest Practice in National Forests" brought about improvement of clear cutting. Thirdly, forest practices based on forest classification by its functions started in 1993. On the other hand, the problem was that practices in reality did not reflect the policy plans. Particularly, the discrepancy between the plan and the practice was significant for tending and care. This situation was attributed to claims from timber companies in the area and to the decrease of labor forces in Agematsu Forest District.

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