About 78% of forests along the middle Shimantogawa river are privately owned. Around 68.5% of the total forests are artificial forests. As for the national forests along the watershed, 98% are artificial forests. There are many evergreen broadleaf forests of Fagaceae Castanesis and Fagaceae Quercus, and there are also evergreen conifer trees. Along the riverbeds some shrubs and herbaceous plants are seen.
BirdLife International (2021) Important Bird Areas factsheet: Middle Shimantogawa basin. Downloaded from
http://www.birdlife.org on 20/04/2021.