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Location Japan, Ibaraki
Central coordinates 140o 24.00' East  36o 2.00' North
IBA criteria A1, A3, A4i
Area 17,000 ha
Altitude 0 - 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
Common Teal Anas crecca 2004  present  A4i  Least Concern 
Pacific Golden Plover Pluvialis fulva 2004  present  A4i  Least Concern 
Little Ringed Plover Charadrius dubius 2004  present  A4i  Least Concern 
Marsh Grassbird Locustella pryeri breeding  2004  present  A1  Near Threatened 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Kasumigaura Prefectural Wildlife Protection Area 5,290 unknown 0  
Ukishima Prefectural Wildlife Protection Area 300 unknown 0  


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

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Lake Kasumigaura, Ukisima. Downloaded from on 16/09/2014

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