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Location Denmark, Århus Amtskommune
Central coordinates 10o 10.00' East  56o 39.00' North
IBA criteria A4i, A4iii, B1i, B3, C2, C3, C4, C6
Area 7,500 ha
Altitude 0 - 5m
Year of IBA assessment 2000

Dansk Ornitologisk Forening

Site description Shallow fjords with small islets, saltmarshes and cultivated land including large reclaimed areas near Overgaard. Marine areas surrounding this IBA (and previously included within it, following Grimmett and Jones 1989) are now included in Northern Kattegat (site 119).

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Brent Goose Branta bernicla non-breeding  1994  3,500 individuals  good  A4i, B1i, C3  Least Concern 
Whooper Swan Cygnus cygnus winter  1995  2,000 individuals  medium  A4i, B1i, B3, C2, C6  Least Concern 
Common Shelduck Tadorna tadorna non-breeding  1994  5,470-5,670 individuals  medium  A4i, B1i, C3  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Randers and Mariager Fjords and the adjacent sea Wetlands of International Importance (Ramsar) 39,040 protected area contains site 7,500  


IUCN habitat Habitat detail Extent (% of site)
Forest   15%
Wetlands (inland) Tidal rivers and enclosed tidal waters  35%
Artificial - terrestrial Arable land  50%

Land use

Land-use Extent (% of site)
agriculture -

Protection status National Low International High7,500 ha of IBA covered by Special Protection Area (Randers and Mariager Fjord and ålborg Bugt, 39,040 ha). 7,500 ha of IBA covered by Ramsar Site (Randers and Mariager Fjords and adjacent coastal waters, 41,440 ha).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Parts of Randers and Mariager Fjords. Downloaded from on 30/09/2014

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