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close| Location | Netherlands, Friesland |
| Central coordinates | 6o 3.00' East 53o 27.00' North |
| IBA criteria | A4i, A4iii, B1i, C3, C4 |
| Area | 720 ha |
| Altitude | 0 - 1m |
| Year of IBA assessment | 2000 |
Ornithological information An important high-water roost for numerous waders, especially Pluvialis squatarola and Numenius arquata. The average seasonal peak number of waterbirds during 1992-1996 exceeded 20,000. The site lost its breeding colony of terns Sterna during the early 1980s as a result of leveling by erosion.
Site description An eroded islet in the Wadden Sea (site 001 encloses the entire site) between Schiermonnikoog, Ameland, and the mainland. The site consists of bare intertidal sandbanks and mudflats.
Populations of IBA trigger species
| Species | Season | Period | Population estimate | Quality of estimate | IBA Criteria | IUCN Category |
|---|---|---|---|---|---|---|
| Grey Plover Pluvialis squatarola | non-breeding | 1992 | 2,104 individuals | good | A4i, B1i, C3 | Least Concern |
| Eurasian Curlew Numenius arquata | non-breeding | 1992 | 5,441 individuals | good | A4i, B1i, C3 | Near Threatened |
| A4iii Species group - waterbirds | - | - | 20,000 individuals | unknown | A4iii, C4 |
Protected areas
| Protected area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) | |
|---|---|---|---|---|---|
| Waddenzee (Wadden Sea) | Wetlands of International Importance (Ramsar) | 249,998 | protected area contains site | 720 | |
| Waddenzee - NL1000001 | Habitats Directive | 259,214 | protected area contains site | 720 | |
| Waddenzee - NL9801001 | Birds Directive | 272,027 | protected area contains site | 720 | |
| Waddenzee I | Natural Monument | 125,000 | protected area contains site | 720 |
Habitats
| IUCN habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Coastline | Mud flats & sand flats | 100% |
Land use
| Land-use | Extent (% of site) |
|---|---|
| fisheries/aquaculture | 50% |
| nature conservation and research | 100% |
| tourism/recreation | 100% |
Management considerations Monitoring during the breeding season was stopped in the late 1980s after the islet had lost its importance for breeding birds.
Protection status National High International High720 ha of IBA covered by Natural Monument (Waddenzee I, 125,000 ha). 720 ha of IBA covered by Special Protection Area (Waddenzee, `250,000 ha' [official, incorrect figure]). 720 ha of IBA covered by Ramsar Site (Waddenzee, `250,000 ha' [official, incorrect figure]).
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Recommended citation BirdLife International (2013) Important Bird Areas factsheet: Engelsmanplaat. Downloaded from http://www.birdlife.org on 20/06/2013
To provide new information to update this factsheet or to correct any errors, please email BirdLife
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