水すい源げん涵かん養よう

noun

headwater conservation; water source protection; watershed management

Technical term in forestry and environmental science referring to the protection and cultivation of forested watersheds to maintain water quality and supply.

• 森しん林りんの水すい源げん涵かん養よう機き能のうは、私わたしたちの生せい活かつに欠かかせない。

  The water source protection function of forests is essential to our lives.

• この地ち域いきでは水すい源げん涵かん養ようのために植しょく林りんが進すすめられている。

  Tree planting is being promoted in this area for watershed conservation.