Baltic offshore circalittoral shell gravel bottoms characterized by epibenthic chordates
Description (English)
Baltic offshore bottoms in the aphotic zone, below halocline/pycnocline with at least 90 % coverage of shell gravel.Sessile/semi-sessile epibenthic chordates cover at least 10 %of the seabedand 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
Ciona intestinalis
Geographic range
Southern part of Baltic Sea
Source: EUNIS habitat classification
Quick facts
| EUNIS habitat type | code MD234 |
|---|---|
| Relation to | Annex I habitat types (EU Habitats Directive) |
Legal status
Relation to other habitat types mentioned in legal instruments
| Legal text | Annex | Name in legal text | Code in legal text |
Habitat type relationship |
More information |
|---|---|---|---|---|---|
| Council Directive 92/43/EEC of 21 May 1992 on the conservation of natural habitats and of wild fauna and flora - consolidated version 01/01/2007 | Annex I: natural habitat types of community interest whose conservation requires the designation of special areas of conservation | Reefs | 1170 | Narrower | http://ec.europa.eu/environm...rective/index_en.htm |
Vegetation types
Relation to vegetation types (syntaxa)
Not availableSpecies mentioned in habitat description
Invertebrates
Ciona intestinalis
| Species scientific name | English common name | Species group |
|---|---|---|
| Ciona intestinalis | 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 |
