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Location Germany, Hamburg
Central coordinates 9o 48.00' East  53o 32.00' North
IBA criteria A4i, A4iii, B1i, C3, C4, C7
Area 675 ha
Year of IBA assessment 2002

NABU Nature And Biodiversity Conservation Union

Site description A large area of mudflats with water-levels influenced by tidal changes.

Key Biodiversity The site holds more than 20,000 passage waterbirds on a regular basis. This is one of the most important passage sites for Anas clypeata in north-western Europe.

IBA Monitoring

2013 very high not assessed not assessed

Transportation and service corridors shipping lanes likely in short term (within 4 years) whole area/population (>90%) very rapid to severe deterioration very high

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Mühlenberger Loch Wetlands of International Importance (Ramsar) 675 is identical to site 675  
Mühlenberger Loch/Neßsand Nature Reserve 645 protected area overlaps with site 516  


IUCN habitat Habitat detail Extent (% of site)
Coastline Mud flats & sand flats; Tidal rivers & enclosed tidal waters  -

Land use

Land-use Extent (% of site)
fisheries/aquaculture 10%
tourism/recreation 100%

Protection status National None International High675 ha of IBA covered by Ramsar Site (Mühlenberger Loch, 675 ha). IBA overlaps with Special Protection Area.

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Mühlenberger Loch. Downloaded from on 21/10/2016

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