Afterwards, the vegetation of Satoyama recovered as the society stabilized, but when the Pacific War (World War II) broke out, Satoyama again underwent excessive logging due to the lack of materials, and many of the hills and mountains were left treeless around the country.
その後、社会の安定とともに里山の植生は一定の回復を見たものの、太平洋戦争が始まり物資が欠乏すると再び過度の伐採が行われ、各地に禿げ山が出現した。