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close| Location | Netherlands, Noord-Holland |
| Central coordinates | 4o 52.00' East 52o 27.00' North |
| IBA criteria | A4i, B1i, C3, C6 |
| Area | 750 ha |
| Altitude | |
| Year of IBA assessment | 2000 |
Site description The IBA comprises a polder landscape with wet meadows and ditches. It is located to the north of the city of Amsterdam and adjoins Ilperveld, Varkensland and Twiske (071). This site, together with sites 068, 070 and 071, 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 |
|---|---|---|---|---|---|---|
| Black-tailed Godwit Limosa limosa | non-breeding | 1992 | 6,000 individuals | medium | A4i, B1i, C3 | Near Threatened |
| Ruff Philomachus pugnax | breeding | 1991 | 14 breeding pairs | good | C6 | Least Concern |
Protected areas
| Protected area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) | |
|---|---|---|---|---|---|
| Oostzanerveld | Nature Conservation Law | 173 | protected area contained by site | 279 |
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Habitats
| IUCN habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Wetlands (inland) | Standing freshwater; Water fringe vegetation | 20% |
| Artificial landscapes (terrestrial) | Highly improved re-seeded landscapes | 80% |
Land use
| Land-use | Extent (% of site) |
|---|---|
| agriculture | 75% |
| fisheries/aquaculture | 10% |
| water management | 100% |
| nature conservation and research | 38% |
| tourism/recreation | 25% |
| hunting | 70% |
Management considerations A compensation scheme is in place for those farmers affected by restrictions on agricultural practices.
Protection status National Partial International None279 ha of IBA covered by Nature Reserve (Oostzanerveld, 279 ha).
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Recommended citation BirdLife International (2013) Important Bird Areas factsheet: Oostzanerveld. Downloaded from http://www.birdlife.org on 24/05/2013
To provide new information to update this factsheet or to correct any errors, please email BirdLife
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