Balanus crenatus and Tubularia indivisa on extremely tide-swept circalittoral rock
Description (English)
This biotope typically occurs on upward-facing, extremely tide-swept, circalittoral bedrock, boulders and cobbles found in a broad spectrum of wave-exposures. It is characterised by a few species that are capable of maintaining a foothold in strong tides. These species either form a flat, adherent crust in the case of the barnacle Balanus crenatus, or have strong attachment points and are flexible, bending with the tide, such as the turf of the hydroid Tubularia indivisa. Other species able to tolerate these very strong tides, or just situated slightly out of the main force of the current, include the sponge Halichondria panicea, the robust hydroid Sertularia argentea and current-tolerant anemones such as Sagartia elegans, Urticina felina and Metridium senile. Mobile species such as the starfish Asterias rubens, the crab Cancer pagurus and the whelk Nucella lapillus may also be present.
Situation: This biotope is typically occurs in deep, very tide-swept straights, sounds and narrows with a bedrock/boulder/cobble slope. Kelp forest (unit A3.212) occurs in shallower water.
Source: EUNIS habitat classification
Quick facts
EUNIS habitat type | code A4.111 |
---|---|
Bern Convention | Included in a Resolution 4 habitat type at a higher level (A4) |
Vegetation types
Relation to vegetation types (syntaxa)
Not availableSpecies mentioned in habitat description
Species scientific name | English common name | Species group |
---|---|---|
Asterias rubens | Invertebrates | |
Cancer pagurus | Invertebrates | |
Halichondria panicea | Invertebrates | |
Metridium senile | Invertebrates | |
Nucella lapillus | Dog whelk | Invertebrates |
Sagartia elegans | Invertebrates | |
Sertularia argentea | Invertebrates |
Other classifications
Classification | Code | Habitat type name | Relationship type |
---|---|---|---|
Marine Habitat Classification Britain/Ireland 0405 | CR.HCR.FaT.BalTub | <I>Balanus crenatus</I> and <I>Tubularia indivisa</I> on extremely tide-swept circalittoral rock | source |
CORINE Land Cover | 5.2.3. | Sea and ocean | n/a |
History
Classification | Code | Habitat type name | Relationship type |
---|---|---|---|
EUNIS Habitat Classification 200410 | A4.111 | Balanus crenatus and Tubularia indivisa on extremely tide-swept circalittoral rock | same |
EUNIS Habitat Classification 200308 | A3.533 | Balanus crenatus, Halichondria panicea and Alcyonidium diaphanum on extremely tide-swept sheltered circalittoral rock | narrower |
EUNIS Habitat Classification 200308 | A3.531 | Balanus crenatus and Tubularia indivisa on extremely tide-swept circalittoral rock | same |
EUNIS Habitat Classification 200202 | A3.533 | Balanus crenatus, Halichondria panicea and Alcyonidium diaphanum on extremely tide-swept sheltered circalittoral rock | narrower |
EUNIS Habitat Classification 200202 | A3.531 | Balanus crenatus and Tubularia indivisa on extremely tide-swept circalittoral rock | narrower |
EUNIS Habitat Classification 199910 | A3.531 | Balanus crenatus and Tubularia indivisa on extremely tide-swept circalittoral rock | narrower |
EUNIS Habitat Classification 199910 | A3.533 | Balanus crenatus, Halichondria panicea and Alcyonidium diaphanum on extremely tide-swept sheltered circalittoral rock | narrower |
MNCR BioMar 97.06 (Britain & Ireland) | ECR.BS.BalTub | Balanus crenatus and Tubularia indivisa on extremely tide-swept circalittoral rock | narrower |
MNCR BioMar 97.06 (Britain & Ireland) | ECR.BS.BalHpan | Balanus crenatus, Halichondria panicea and Alcyonidium diaphanum on extremely tide-swept sheltered circalittoral rock | narrower |