email a friend
printable version
Location Japan, Aomori
Central coordinates 140o 19.00' East  40o 46.00' North
IBA criteria A4i
Area 50 ha
Altitude 0 - 10m
Year of IBA assessment 2004

Wild Bird Society of Japan

Site description Ezogadate reservoir, which is located in the west of Aomori Prefecture, is an agricultural reservoir surrounded by apple farms and rice paddies, and Phragmites australis and Salix grow in and around the reservoir. The reservoir becomes full of water in spring while the water is drained in autumn, and the whole surface is frozen in winter.

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 

IBA Monitoring

2010 low not assessed negligible
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

Little/none of site covered (<10%)  Unknown  Unknown  negligible 


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

Contribute  Please click here to help BirdLife conserve the world's birds - your data for this IBA and others are vital for helping protect the environment.

Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Ezogadate reservoir. Downloaded from on 25/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife