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Location Japan, Niigata
Central coordinates 138o 22.00' East  37o 14.00' North
IBA criteria A4i
Area 80 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
Bean Goose Anser fabalis winter  2004  present  A4i  Least Concern 
Greater White-fronted Goose Anser albifrons winter  2004  present  A4i  Least Concern 

IBA Monitoring

2010 low not assessed low
unset
Poor - based on little, or potentially unreliable/unrepresentative, data

No known threats no known threats happening now whole area/population (>90%) no or imperceptible deterioration low

Whole area of site (>90%) covered by appropriate conservation designation  Unknown  Unknown  low 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Sado - Yahiko -Yoneyama Quasi National Park 29,464 protected area contains site 80  

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: Lakes Asahiike and Unoike. Downloaded from http://www.birdlife.org on 28/12/2014

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