Lake Utonai, Yufutu plain

Country/territory: Japan

IBA Criteria met: A4i (2004)
For more information about IBA criteria please click here

Area: 7,200 ha

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

Site description
Yufutsu plain is located in the southwest of Hokkaido, and is a wetland formed by the peat bed with the volcanic ash fall pile. In the lakes and marshes grow aquatic plants such as Zizania latifolis surrounded by grassland of Phragmites australis, Calamagrostis langsdorffii and shrub of Alnus japonica. Secondary forests of Quercus serrata and Quercus crispula are found around there.

Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Lake Utonai, Yufutu plain. Downloaded from on 22/03/2023.