Van Oordt's Mersken (Netherlands) - BirdLife IBA factsheet

NL057

Van Oordt's Mersken

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
Ruff Calidris pugnax	LC	breeding	2011-2015	3-4 breeding pairs	C6

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 (2017) is shown below.

IBA conservation assessment
Year of assessment	State	Pressure	Response
2017	very unfavourable	not assessed	medium
Whole site assessed?	State assessed by	Accuracy of information
yes	population	good

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

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	Unknown	medium

IBA Protection

Year	Protected Area	Designation	% overlap with IBA
-	Van Oordt's Mersken	Nature Reserve	46
1994	Van Oordt's Mersken	Special Protection Area (Birds Directive)	100
2000	Van Oordts Mersken	Natuurbeschermingswet	100
2002	Wijnjeterper Schar	Site of Community Importance (Habitats Directive)	39
2004	Van Oordt's Mersken	Site of Community Importance (Habitats Directive)	64

Habitats

Habitat¹	Habitat detail	% of IBA
Artificial/Terrestrial	Highly improved re-seeded landscapes	96
Wetlands (inland)	Rivers and streams	-

1. IUCN Habitat classification.

Land use

Land use	% of IBA
water management	100
agriculture	90
nature conservation and research	58
hunting	50
urban/industrial/transport	6

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Van Oordt's Mersken (Netherlands). Downloaded from https://datazone.birdlife.org/site/factsheet/van-oordts-mersken-iba-netherlands on 24/11/2024.