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Location Denmark, Ribe Amtskommune
Central coordinates 8o 34.00' East  55o 17.00' North
IBA criteria A4i, A4iii, B1i, B2, C2, C3, C4
Area 850 ha
Altitude 0 - 10m
Year of IBA assessment 2000

Dansk Ornitologisk Forening

Site description An island in the Wadden Sea with grassland and meadows enclosed by dykes, saltmarshes and mudflats.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Brent Goose Branta bernicla non-breeding  1991  12,000 individuals  good  A4i, B1i, C3  Least Concern 
Haematopus ostralegus non-breeding  1991  15,000 individuals  good  A4i, B1i, C3  Not Recognised 
Common Redshank Tringa totanus breeding  1991  136 breeding pairs  good  B2  Least Concern 
Bar-tailed Godwit Limosa lapponica passage  1991  25,000 individuals  good  A4i, B1i, C2  Least Concern 
Red Knot Calidris canutus non-breeding  1991  20,000 individuals  good  A4i, B1i, C3  Least Concern 
Dunlin Calidris alpina passage  1991  75,000 individuals  good  A4i, B1i, C3  Least Concern 
A4iii Species group - waterbirds winter  1991  100,000-499,999 individuals  unknown  A4iii, C4   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Mandø - DK00AX052 Birds Directive 854 protected area overlaps with site 800  
Vadehavet National Park 146,600 protected area contains site 850  
Vadehavet - DK00AY057 Birds Directive 115,671 protected area is adjacent to site 0  
Vadehavet (Wadden Sea) Wetlands of International Importance (Ramsar) 150,482 protected area contains site 850  
Vadehavet med Ribe Å, Tved Å og Varde Å vest for Varde - DK00AY176 Habitats Directive 134,732 protected area contains site 850  


IUCN habitat Habitat detail Extent (% of site)
Grassland Humid grasslands  45%
Coastline Mud flats & sand flats; Salt marshes  35%
Artificial - terrestrial Arable land; Other urban and industrial areas  20%

Land use

Land-use Extent (% of site)
nature conservation and research 35%
urban/industrial/transport 10%
agriculture 55%

Protection status National Partial International High850 ha of IBA covered by Special Protection Area (Mandø, 850 ha). 850 ha of IBA covered by Ramsar Site (Vadehavet (Wadden Sea), 140,830 ha).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Mandø. Downloaded from on 31/10/2014

To provide new information to update this factsheet or to correct any errors, please email BirdLife