However, the destruction of forests had advanced, and it is thought that by the year 800, a considerable part of the forests in Kinai had been lost, and by around the year of 1000, the destruction had been extended to the forests of Shikoku region and by the 1550's, 25% of the forests in the whole Japanese archipelago had been lost.
だが日本列島における森林破壊は進行し、800年代までには畿内の森林の相当部分が、また1000年頃までには四国の森林も失われ、1550年代までにこの二つの地域の森林を中心にして日本列島全体の25％の森林が失われたと考えられている。