減げん耗もう

noun, noun or participle which takes 'suru', transitive verb, intransitive verb

natural decrease; attrition; depletion

Refers to a reduction in numbers or quantity due to natural causes, such as death, wear, or wastage, rather than deliberate removal. Often used in contexts like population decline, stock shrinkage, or resource depletion.

• 魚さかなの減げん耗もうを防ふせぐために、漁ぎょ獲かく量りょうを制せい限げんしている。

  To prevent the depletion of fish stocks, catch limits are imposed.