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Location Netherlands, Noord-Holland
Central coordinates 4o 51.00' East  52o 34.00' North
IBA criteria B1i, C2
Area 2,040 ha
Year of IBA assessment 2000

Vogelbescherming Nederland

Site description A polder complex consisting of pools, marshland, wet meadows and ditches, located to the east of the city of Alkmaar. Human activities include reed-harvesting (`Other' land-use). This site, together with sites 070-072, formed part of a single, larger site (former site NL038) in the previous pan-European IBA inventory (Grimmett and Jones 1989).

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Eurasian Spoonbill Platalea leucorodia non-breeding  1987-1991  32 individuals  good  B1i, C2  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Eilandspolder Oost Nature Reserve 671 protected area contained by site 671  
Eilandspolder West Nature Reserve 323 protected area contained by site 323  
Polder Mijzen Nature Reserve 214 protected area contained by site 214  


IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland) Standing freshwater; Water fringe vegetation  10%
Artificial - terrestrial Highly improved re-seeded landscapes  85%
Unknown   5%

Land use

Land-use Extent (% of site)
agriculture 30%
other 5%
fisheries/aquaculture 5%
water management 100%
hunting 10%
nature conservation and research 59%
tourism/recreation 20%

Protection status National Partial International None671 ha of IBA covered by Nature Reserve (Eilandspolder Oost, 671 ha). 323 ha of IBA covered by Nature Reserve (Eilandspolder West, 323 ha). 214 ha of IBA covered by Nature Reserve (Polder Mijzen, 214 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Eilandspolder. Downloaded from on 21/10/2016

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