BirdLife Data Zone

NL054

Groote Wielen

Current view: Data table and detailed info

IBA Justification

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 at site	IBA criteria triggered
Barnacle Goose Branta leucopsis	LC	non-breeding	2011-2015	11,401-14,000 individuals	A4i, B1i, C2

Note: The current IUCN Red List category may differ from the category that was valid at the time of IBA criteria assessment.

For more information about the IBA criteria, please click here

IBA Conservation

IBA conservation status - summary
Year of assessment (most recent)	Threat (pressure)	Condition (state)	Action (response)
2018	low	not assessed	medium
Was the whole site assessed?	yes	Condition (state) assessed by	unset
Accuracy of information	medium

Threats to the site (pressure)
Threat level 1	Threat level 2	Timing	Scope	Severity	Result
Transportation and service corridors	flight paths	happening now	majority/most of area/population (50-90%)	no or imperceptible deterioration	low

Conservation actions taken at the site (response)
Protected-area designation	Management planning	Other conservation action	Result
Whole area of site (>90%) covered by appropriate conservation designation	A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species	Some limited conservation initiatives are in place	medium

For more information about IBA conservation status, please click here

IBA Protection

Protected area (PA)	PA designation	PA area (ha)	Relationship of PA with IBA	Overlap of PA with IBA (ha)
Ryptsjerkster- en Binnemiedepolder	Nature Reserve	462	protected area contained by site	462
Groote Wielen	Site of Community Importance (Habitats Directive)	604	is identical to site	0
Groote Wielen	Special Protection Area (Birds Directive)	604	is identical to site	600
Groote Wielen	Natuurbeschermingswet	604	is identical to site	0

Habitats

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

For further information about the IUCN habitat classification, please click here.

Land use

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

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

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Groote Wielen. Downloaded from http://datazone.birdlife.org/site/factsheet/1232 on 07/06/2023.