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Location Japan, Hokkaido
Central coordinates 141o 45.00' East  45o 22.00' North
IBA criteria A4i
Area 830 ha
Altitude 0 - 5m
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
Tundra Swan Cygnus columbianus passage  2004  present  A4i  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Onuma Quasi National Park 9,083 protected area contains site 830  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland)   -

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Lake Koetoi-Onuma. Downloaded from http://www.birdlife.org on 30/10/2014

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