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

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'):

Species	Current IUCN Red List Category	Season	Year(s)	Population estimate at site	IBA criteria met
Ruff Calidris pugnax	LC	breeding	2011-2015	3-4 breeding pairs	C6

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2016).

State (condition of the trigger species' populations)
Scientific name	Common name	Reference population	Actual population	Units	% of population remaining	Result
Calidris pugnax	Ruff	10	3	breeding pairs	30	very unfavourable

Response (conservation actions taken for the trigger species and/or their habitats)
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	Unknown	medium

For more information about IBA conservation status, please click here

Protected area (PA)	PA designation	PA area (ha)	Relationship of PA with IBA	Overlap of PA with IBA (ha)
Wijnjeterper Schar	Site of Community Importance (Habitats Directive)	170	protected area overlaps with site	328
Van Oordts Mersken	Natuurbeschermingswet	842	is identical to site	0
Van Oordt's Mersken	Special Protection Area (Birds Directive)	842	is identical to site	670
Van Oordt's Mersken	Nature Reserve	388	protected area contained by site	388
Van Oordt's Mersken	Site of Community Importance (Habitats Directive)	536	protected area contained by site	0

Habitat (IUCN level 1)	Habitat detail	Extent (% of site)
Wetlands (inland)	Rivers and streams	-
Artificial/Terrestrial	Highly improved re-seeded landscapes	-

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

Land-use	Extent (% of site)
water management	-
nature conservation and research	-
urban/industrial/transport	-
agriculture	-
hunting	-

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Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Van Oordt's Mersken. Downloaded from http://datazone.birdlife.org/site/factsheet/van-oordts-mersken-iba-netherlands on 01/10/2023.