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Location Japan, Shimane,Tottori
Central coordinates 133o 12.00' East  35o 28.00' North
IBA criteria A4i, A4iii
Area 10,000 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 2004  present [units unknown]  A4i  Least Concern 
Common Pochard Aythya ferina 2004  present [units unknown]  A4i  Least Concern 
Tufted Duck Aythya fuligula 2004  present [units unknown]  A4i  Least Concern 
Greater Scaup Aythya marila 2004  present [units unknown]  A4i  Least Concern 
A4iii Species group - waterbirds unknown  2004  20,000 individuals  unknown  A4iii   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Nakaumi National Wildlife Special Protected Area 8,462 is identical to site 8,462  
Nakaumi Prefectural Wildlife Protection Area 8,800 protected area contained by site 8,800  
Nakaumi Wetlands of International Importance (Ramsar) 8,043 protected area contained by site 8,043  

Habitats

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

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Lake Nakaumi. Downloaded from http://www.birdlife.org on 24/04/2014

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