Maerl Beds

Habitat: Maerl Beds

OSPAR Regions where it occurs: I, II, III, IV, V

Description: Maërl is a collective term for various species of non-jointed coralline red algae (Corallinaceae) that live unattached. These species can form extensive beds, mostly in coarse clean sediments of gravels and clean sands or muddy mixed sediments, which occur either on the open coast, in tide-swept channels or in sheltered areas of marine inlets with weak current.

OSPAR Regions where under threat and/or in decline: III

What is the latest status of the feature?

The status assessment describes the latest changes in distribution, abundance and range of the feature, as well as any changes in the threats and pressures impacting the feature. The status assessments are updated regularly and inform OSPAR’s consideration of the effectiveness of the measures and actions that have been adopted and implemented by Contracting Parties.

Why is this feature included on the OSPAR List?

What protective measures and actions has OSPAR committed to taking?

What actions have been implemented by OSPAR?

Key facts