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Location Denmark, Viborg Amtskommune
Central coordinates 8o 35.00' East  56o 40.00' North
IBA criteria A4iii, B1i, C2, C4
Area 6,990 ha
Altitude 0 - 18m
Year of IBA assessment 2000

Dansk Ornitologisk Forening

Site description A shallow fjord area with shoals, banks and islands, and coastal areas with saltmarsh and agricultural land.

Key Biodiversity The IBA is an important staging area for Pluvialis apricaria. Recurvirostra avosetta and Sterna paradisaea, listed on Annex I of the EC Birds Directive, breed at the site.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Eurasian Golden Plover Pluvialis apricaria non-breeding  1994  13,500 individuals  medium  B1i, C2  Least Concern 
A4iii Species group - waterbirds unknown  20,000 individuals  unknown  A4iii, C4   

IBA Monitoring

2010 not assessed unfavourable not assessed
Good - based on reliable and complete / representative data

Branta bernicla Brent Goose 4415 3000 individuals 68 unfavourable
Cygnus cygnus Whooper Swan 165 165 individuals 100 favourable
Circus aeruginosus Western Marsh-harrier 1 1 breeding pairs 100 favourable
Sternula albifrons Little Tern 2 2 breeding pairs 100 favourable

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
no name Private Reserve 26 protected area contained by site 26  


IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland) Tidal rivers and enclosed tidal waters  -
Coastline Salt marshes  -

Land use

Land-use Extent (% of site)
agriculture 15%
unknown 85%

Protection status National Partial International High6,990 ha of IBA covered by Special Protection Area (Glomstrup Vig, Agerø, Munkholm, 6,990 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Glomstrup Vig, Agerø, Munkholm and Katholm Odde, Lindholm, and Rotholme. Downloaded from on 28/10/2016

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