|Central coordinates||5o 35.00' East 52o 21.00' North|
|IBA criteria||A4i, B1i, B2, C2|
|Year of IBA assessment||2000|
Site description A freshwater lake, bounded on the northern and western sides by the dykes of the polders Oostelijk and Zuidelijk Flevoland (reclaimed in 1957 and 1968), and in the south-east by the mainland. The site lies adjacent to Lake Veluwemeer (042) in the north-east, and to Lake Nijkerkernauw (connected to Eemmeer, 045) in the south (with sluices at both sides), and is also adjacent to Polder Arkemheen (075) in the south. Sand extraction occurs. This site, together with site 042, formed part of a single, larger site (former site NL032) in the previous pan-European IBA inventory (Grimmett and Jones 1989).
|Species||Season||Period||Population estimate||Quality of estimate||IBA Criteria||IUCN Category|
|Tundra Swan Cygnus columbianus||winter||1987-1992||205 individuals||good||A4i, B1i, B2, C2||Least Concern|
|Protected area||Designation||Area (ha)||Relationship with IBA||Overlap with IBA (ha)|
|Veluwemeer en Wolderwijd - NL2003048||Habitats Directive||1,820||protected area overlaps with site||633|
|Wolderwijd en Nuldernauw||Wetlands of International Importance (Ramsar)||2,600||protected area overlaps with site||2,600|
|IUCN habitat||Habitat detail||Extent (% of site)|
|Wetlands (inland)||Standing freshwater||97%|
|Land-use||Extent (% of site)|
Protection status National None International None
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Recommended citation BirdLife International (2015) Important Bird and Biodiversity Area factsheet: Lake Wolderwijd. Downloaded from http://www.birdlife.org on 25/11/2015
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