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Location Japan, Aichi
Central coordinates 136o 59.00' East  34o 50.00' North
IBA criteria A4i
Area 1,400 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
Greater Scaup Aythya marila winter  2004  present  A4i  Least Concern 
Grey-headed Lapwing Vanellus cinereus non-breeding  2004  present  A4i  Least Concern 

IBA Monitoring

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

Energy production and mining renewable energy likely in long term (beyond 4 years) small area/few individuals (<10%) no or imperceptible deterioration low

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

Habitats

IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland) Estuarine waters; Intertidal mud, sand or salt flats  -

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Yahagigawa estuary. Downloaded from http://www.birdlife.org on 21/12/2014

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