Middle Shimantogawa basin

Country/territory: Japan

IBA Criteria met: A1 (2004)
For more information about IBA criteria please click here

Area: 16,000 ha

Wild Bird Society of Japan
Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2015 medium near favourable negligible
For more information about IBA monitoring please click here

Site description
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.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Middle Shimantogawa basin. Downloaded from on 20/01/2022.