Groote Wielen (Netherlands) - BirdLife IBA factsheet

NL054

Groote Wielen

Current view: Data table and detailed info

IBA Justification

The site was identified as important in 2016 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List¹	Season	Year(s)	Size	IBA criteria
Barnacle Goose Branta leucopsis	LC	non-breeding	2011-2015	11,401-14,000 individuals	A4i, B1i, C2

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2016) may differ.

IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2016. The most recent assessment (2018) is shown below.

IBA conservation assessment
Year of assessment	State	Pressure	Response
2018	not assessed	low	medium
Whole site assessed?	State assessed by	Accuracy of information
yes	unset	medium

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Transportation and service corridors	happening now	majority/most of area/population (50-90%)	no or imperceptible deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other 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

IBA Protection

Year	Protected Area	Designation	% overlap with IBA
-	Ryptsjerkster- en Binnemiedepolder	Nature Reserve	76
1996	Groote Wielen	Special Protection Area (Birds Directive)	100
1998	Groote Wielen	Site of Community Importance (Habitats Directive)	100
2010	Groote Wielen	Natuurbeschermingswet	100

Habitats

Habitat¹	Habitat detail	% of IBA
Artificial/Terrestrial	Highly improved re-seeded landscapes	60
Wetlands (inland)	Standing freshwater, Water fringe vegetation	40

1. IUCN Habitat classification.

Land use

Land use	% of IBA
water management	100
nature conservation and research	85
tourism/recreation	50
fisheries/aquaculture	10
agriculture	6
other	5
hunting	5

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Groote Wielen (Netherlands). Downloaded from https://datazone.birdlife.org/site/factsheet/groote-wielen-iba-netherlands on 23/11/2024.