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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
Barnacle Goose Branta leucopsis	LC	non-breeding (2011–2015)	24,615–31,650 birds	A4i, B1i, C2
Greater White-fronted Goose Anser albifrons	LC	non-breeding (2011–2015)	25,351–42,555 birds	B1i, C3
White Stork Ciconia ciconia	LC	breeding (2011–2015)	17–39 pairs	C6
Eurasian Bittern Botaurus stellaris	LC	breeding (2011–2015)	11–13 pairs	C6
Black-tailed Godwit Limosa limosa	NT	non-breeding (2011–2015)	3,632–5,400 birds	B1i, C3
Savi's Warbler Locustella luscinioides	LC	breeding (2011–2015)	77 pairs	B3
A4iii Species group - waterbirds	n/a	non-breeding (2011–2015)	22,915–37,173 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
Human intrusions and disturbance	happe­ning now	some of popul­ation/area (10–49%)	moderate decline (10–30% over 3 gener­ations)	high
Residential and commercial development	likely in short term (<4 years)	few indivi­duals/small area (<10%)	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	Very little or no conservation action taking place	medium

Year	Protected Area	Designation (management category)	% coverage of IBA
-	Oude Venen	Nature Reserve (-)	100
1978	Tuskensleatten	Natural Monument (-)	4
1994	Alde Feanen	Natuurbeschermingswet (IV)	100
2006	De Alde Feanen	Nationaal Park (II)	100

Habitat	% of IBA	Habitat detail
Artificial/Terrestrial	50	Highly improved re-seeded landscapes
Wetlands (inland)	40	Standing freshwater; Water fringe vegetation
Forest	10	Alluvial and very wet forest

Land use	% of IBA
water management	100
nature conservation and research	63
tourism/recreation	45
agriculture	25
hunting	17
fisheries/aquaculture	10
other	5

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Alde Feanen (Netherlands). Downloaded from https://datazone.birdlife.org/site/factsheet/alde-feanen-iba-netherlands on 24/12/2024.