治ち山さん

noun

forest conservation; afforestation

Refers to the management and preservation of mountain forests, including erosion control and reforestation. Often used in technical or policy contexts.

• 治ち山さん事じ業ぎょうは、土ど砂しゃ災さい害がいを防ふせぐために重じゅう要ようです。

  Forest conservation projects are important for preventing landslides.

• この地ち域いきでは、治ち山さんのために植しょく林りんが進すすめられている。

  In this area, afforestation is being promoted for forest conservation.