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Location Japan, Hokkaido
Central coordinates 141o 50.00' East  43o 24.00' North
IBA criteria A4i, A4iii
Area 19,000 ha
Altitude 10 - 15m
Year of IBA assessment 2004

Wild Bird Society of Japan



Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Bean Goose Anser fabalis passage  2004  present  A4i  Least Concern 
Greater White-fronted Goose Anser albifrons passage  2004  present  A4i  Least Concern 
Whooper Swan Cygnus cygnus passage  2004  present  A4i  Least Concern 
Tundra Swan Cygnus columbianus passage  2004  present  A4i  Least Concern 
A4iii Species group - waterbirds unknown  2004  20,000 individuals  unknown  A4iii   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Miyajima-numa Wetlands of International Importance (Ramsar) 41 protected area contained by site 41  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland) Freshwater lakes and pools  -

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Middle Ishikarigawa basin. Downloaded from http://www.birdlife.org on 21/10/2014

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