Middle Ishikari River basin

Country/territory: Japan

IBA Criteria met: A4i, A4iii (2004)
For more information about IBA criteria please click here

Area: 19,000 ha

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

Site description
Miyajimanuma, Tegatanuma (Bibai City), Misuminuma (Iwamisawa City), Urausunuma, Shinnuma (Urausu Town), Chashinainuma (Naie Town), Fukurochinuma (Shintotsukawa Town, Sunagawa City) are mainly crescentic lakes located at the middle Ishikarigawa river basin. Surrounding areas are agricultural lands, mainly for rice crop, and lowland swamp vegetation such as Alnus japonica, Salix and Phragmites australis are found around lakes and marshes. At Tsukigase swamp including Ohnuma and Konuma, highland swamp flora is left in part.

Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Middle Ishikari River basin. Downloaded from on 22/03/2023.