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The site was identified as internationally important for bird conservation 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 List	Season (year/s of estimate)	Size	IBA criteria
Common Eider Somateria mollissima	NT	breeding (2011–2015)	377–514 pairs	B2
A4iii Species group - waterbirds	n/a	passage (1991)	20,000-49,999 birds	A4iii, C4

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.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Agricultural expansion and intensification	happe­ning now	most of popul­ation/area (50–90%)	rapid decline (>30% over 3 gener­ations)	very high
Natural system modifications	happe­ning now	most of popul­ation/area (50–90%)	no or slight decline (<1% over 3 gener­ations)	low
Invasive and other problematic species and genes	happe­ning now	most of popul­ation/area (50–90%)	no or slight decline (<1% over 3 gener­ations)	low
Human intrusions and disturbance	happe­ning now	some of popul­ation/area (10–49%)	no or slight decline (<1% over 3 gener­ations)	low

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Whole area (>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	Substantive conservation measures are being implemented, but these are not compre­hensive and are limited by resources and capacity	high

Year	Protected Area	Designation (management category)	% coverage of IBA
-	Schiermonnikoog, Nationaal Park	Nature Reserve (-)	100
1981	Waddenzee I	Natural Monument (-)	100
1984	Waddenzee (Wadden Sea)	Ramsar Site, Wetland of International Importance (-)	100
1986	Waddensea Area	UNESCO-MAB Biosphere Reserve (UA)	18
1989	Schiermonnikoog	Nationaal Park (II)	100
2009	Duinen Schiermonnikoog	Natuurbeschermingswet (IV)	100

Habitat	% of IBA	Habitat detail
Artificial/Terrestrial	8	Highly improved re-seeded landscapes
Marine Coastal/Supratidal	major (>10)
Marine Intertidal	major (>10)

Land use	% of IBA
nature conservation and research	67
tourism/recreation	50
hunting	35
agriculture	8
water management	8
fisheries/aquaculture	5

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Duinen Schiermonnikoog (Netherlands). Downloaded from https://datazone.birdlife.org/site/factsheet/duinen-schiermonnikoog-iba-netherlands on 28/12/2024.