Concept
Green algal films on upper and mid-shore cave walls and ceilings
| URI | http://vocab.nerc.ac.uk/collection/M21/current/JNCCMNCR00002019/ | |
|---|---|---|
| Within Vocab | Marine Habitat Classification for Britain and Ireland Version 15.03 | |
| Alternative Labels | LR.FLR.CvOv.GCv | |
| Definition | The upper walls and ceilings of upper and mid-shore hard and soft rock (chalk) dominated by a band of green algal films (or 'stains'). Other encrusting algae including the non-calcified Hildenbrandia rubra may be present. In chalk caves, on the east and south-east coasts of England, a distinctive assemblage of species occurs, including the brown alga Pilinia maritima and the bright green algae Pseudendoclonium submarinum and Entocladia perforans that often covers the cave ceilings. Fauna is generally sparse and limited to limpets such as Patella vulgata and the winkle Littorina saxatilis. The species forming a green algal film that covers upper shore caves in Berwickshire were not identified. More information required to validate this biotope description. | |
| Date | 2018-02-13T18:46:01 | |
| Identifier | SDN:M21::JNCCMNCR00002019 | |
| Note | accepted | |
| Has Current Version | 1 | |
| version | 1 | |
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