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Location Netherlands, Noord-Holland
Central coordinates 4o 42.00' East  52o 49.00' North
IBA criteria B1i, B2, C2
Area 600 ha
Altitude 2 - 13m
Year of IBA assessment 2000

Vogelbescherming Nederland

Site description An area of shifting and fixed sand-dunes along the mainland coast, with humid dune-slacks, two lakes, coastal marshes, and woodland.

Key Biodiversity A traditional breeding colony of Platalea leucorodia.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Eurasian Spoonbill Platalea leucorodia breeding  1987-1991  30 breeding pairs  good  B1i, B2, C2  Least Concern 
Mew Gull Larus canus breeding  1987-1991  397 breeding pairs  good  B2  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Zwanenwater Wetlands of International Importance (Ramsar) 600 protected area contained by site 600  


IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland) Standing freshwater  -
Coastline Sand dunes & beaches  -

Land use

Land-use Extent (% of site)
water management 100%
nature conservation and research 98%

Protection status National High International High586 ha of IBA covered by Nature Reserve (Zwanenwater, 600 ha). 600 ha of IBA covered by Special Protection Area (Zwanenwater, 600 ha). 600 ha of IBA covered by Ramsar Site (Zwanenwater, 600 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Zwanenwater. Downloaded from on 25/10/2016

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