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Year of most recent IBA criteria assessment: 2016

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population estimate	IBA Criteria Triggered
Greater White-fronted Goose Anser albifrons	LC	non-breeding	2011-2015	17,728-27,241 individuals	B1i, C3
Common Pochard Aythya ferina	VU	breeding	2011-2015	21-34 breeding pairs	A1, B2, C1
Spotted Crake Porzana porzana	LC	breeding	2011-2015	15-20 breeding pairs	C6
Baillon's Crake Zapornia pusilla	LC	breeding	2011-2015	2-3 breeding pairs	C6
White Stork Ciconia ciconia	LC	breeding	2009-2014	18 breeding pairs	C6
Eurasian Spoonbill Platalea leucorodia	LC	breeding	2009-2014	72 breeding pairs	B1i
Eurasian Bittern Botaurus stellaris	LC	breeding	2011-2015	20-28 breeding pairs	C6
Purple Heron Ardea purpurea	LC	breeding	2011-2015	101-117 breeding pairs	C6
Great White Egret Ardea alba	LC	breeding	2011-2015	3-6 breeding pairs	C6
Black Tern Chlidonias niger	LC	breeding	2011-2015	140-187 breeding pairs	C6
Short-eared Owl Asio flammeus	LC	breeding	2011-2015	1-3 breeding pairs	C6
Sedge Warbler Acrocephalus schoenobaenus	LC	breeding	2011-2015	3,278-4,701 breeding pairs	B3
Savi's Warbler Locustella luscinioides	LC	breeding	2011-2015	339-548 breeding pairs	B3
A4iii Species group - waterbirds	n/a	non-breeding	2011-2015	32,898-48,966 individuals	A4iii, C4

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

Protected Area	Designation	Area (ha)	Relationship with IBA	Overlap with IBA (ha)
Zwarte Meer	Ramsar Site, Wetland of International Importance	2,050	protected area is adjacent to site	0
Weerribben-Wieden	Nationaal Park	10,270	protected area overlaps with site	0
De Wieden II	Nature Reserve	285	protected area contained by site	285
De Wieden	Nature Reserve with Management Subsidy	4,216	protected area contained by site	4,991
De Wieden	Site of Community Importance (Habitats Directive)	7,156	protected area contained by site	7,534
De Wieden	Special Protection Area (Birds Directive)	9,018	is identical to site	9,320
De Wieden	Ramsar Site, Wetland of International Importance	9,400	protected area overlaps with site	9,400
De Wieden	Natuurbeschermingswet	9,018	is identical to site	0

IUCN Habitat	Habitat detail	Extent (% of site)
Forest	Alluvial and very wet forest	-
Wetlands (inland)	Standing freshwater, Water fringe vegetation	-
Artificial/Terrestrial	Highly improved re-seeded landscapes	-

For further information about the habitat classification please click here.

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

For further information about the land use classification please click here.

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Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: De Wieden. Downloaded from http://www.birdlife.org on 27/03/2023.