Sites - Important Bird and Biodiversity Areas (IBAs)
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Middle Ishikari River basin
141o 50.00' East 43o 24.00' North
10 - 15m
Year of IBA assessment
Wild Bird Society of Japan
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.