• Summary
• Text account
• Data table and detailed info
• Map
• Reference and further resources

The site was identified as important in 2000 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):

Species	Current IUCN Red List Category	Season	Year(s)	Population estimate at site	IBA criteria met
Pink-footed Goose Anser brachyrhynchus	LC	winter	1979-1989	15,000 individuals	A4i, B1i, C3

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2000).

Protected area (PA)	PA designation	PA area (ha)	Relationship of PA with IBA	Overlap of PA with IBA (ha)
Oudegaasterbrekken; Fluessen en omgeving	Site of Community Importance (Habitats Directive)	3,054	protected area overlaps with site	771
Oudegaasterbrekken; Fluessen en omgeving	Special Protection Area (Birds Directive)	2,880	protected area overlaps with site	770
Oudegaasterbrekken, Fluessen en omgeving	Natuurbeschermingswet	3,054	protected area overlaps with site	0
Oudegaasterbrekken, Fluessen en omgeving	Ramsar Site, Wetland of International Importance	850	protected area overlaps with site	850
Grons, Sanmar, Gaastmar	Nature Reserve	83	protected area overlaps with site	16
Blauhuester Puollen	Nature Reserve	167	protected area contained by site	167

Habitat (IUCN level 1)	Habitat detail	Extent (% of site)
Wetlands (inland)	Standing freshwater	-
Artificial/Terrestrial	Highly improved re-seeded landscapes	-
Unknown		-

For more information about the IUCN Habitat classification, please click here.

Land-use	Extent (% of site)
fisheries/aquaculture	-
water management	-
hunting	-
nature conservation and research	-
tourism/recreation	-
agriculture	-

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Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Lake Oudegaasterbrekken. Downloaded from http://datazone.birdlife.org/site/factsheet/lake-oudegaasterbrekken-iba-netherlands on 30/11/2023.