Baltic circalittoral shell gravel characterized by sparse epibenthic bivalves
Description (English)
Baltic circalittoral bottoms in the aphotic zonewith at least 90 % coverage of shell gravel.Sessile/semi-sessile epibenthic bivalves cover 10 % or less of the seabed and more than other perennial attached erect groups.
Physical environment
Substrate is shell gravel. Depth below approximately 20 m. Appears mostly in high energy exposure areas.
Characteristic species
Mytilus sp., Modiolus modiolus
Geographic range
Southern part of Baltic Sea
Source: EUNIS habitat classification
Quick facts
EUNIS habitat type | code MC2331 |
---|---|
Relation to | Resolution 4 habitat type (used for designation of Emerald sites) |
Legal status
Relation to other habitat types mentioned in legal instruments
Vegetation types
Relation to vegetation types (syntaxa)
Not availableSpecies mentioned in habitat description
Species scientific name | English common name | Species group |
---|---|---|
Modiolus modiolus | Invertebrates |
Other classifications
Classification | Code | Habitat type name | Relationship type |
---|---|---|---|
EUNIS Habitat Classification 2007 (revised descriptions 2012) | A5.115 | Baltic shell gravel bottoms of the aphotic zone | narrower |
History
Classification | Code | Habitat type name | Relationship type | Comment |
---|---|---|---|---|
EUNIS Habitat Classification 200410 | A5.144 | Baltic shell gravel bottoms of the aphotic zone | same | |
EUNIS Habitat Classification 200308 | A4.731 | Baltic shell gravel bottoms of the aphotic zone | same | |
EUNIS Habitat Classification 200202 | A4.731 | Baltic shell gravel bottoms of the aphotic zone | same | |
EUNIS Habitat Classification 199910 | A4.75 | Baltic shell gravel bottoms of the aphotic zone | same |