Forests that maintain and nurture water sources and regulate river flow. They are designated as conservation forests because they do not allow rainwater to run off all at once, but always store a certain amount, which helps to secure water resources and prevent flooding. They currently cover an area of over 6 million hectares, making them the largest of all conservation forests. These forests can be either artificial or natural, and the tree species are diverse. Source : Heibonsha Encyclopedia About MyPedia Information |
水源を保ち育て,河川流量を調節するための森林。雨水を一時に流出させず,常に一定量をたくわえるので水資源の確保や水害防止に役立ち,保安林に指定されている。面積は,現在600万ha以上あり,保安林の中では最も面積が広い。この森林は人工林でも天然林でもよく,樹種もまちまちである。
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