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West of Ruecallan

[Site list for year 2025]

Survey number: 782 Event number: 20250519/01 Date: 2025-05-19 GPS: 55.30637,-6.27341. Depth: -5.0 to -34.0 m. [ View map ]

Site Description: Starting on an exposed lower infralittoral bedrock shelf with mixed red algae, then moving on to a tide-swept circalittoral vertical wall with fragile sponge and anthozoan communities and ending in a kelp forest with some guillemots.

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Biotope 1 : Horizontal shelf or plateau with a few small kelp but mostly red algae (Foliose red seaweeds on exposed lower infralittoral rock). IR.HIR.KFaR.FoR (EUNIS A3.116)

PORIFERA
Pachymatisma johnstonia O
Axinella infundibuliformis O
Stelligera stuposa O
Polymastia boletiformis F
Tethya citrina R
Cliona celata O
Haliclona urceolus R
CNIDARIA
Tubularia indivisa R
Sertularia argentea O
Kirchenpaueria pinnata P
Nemertesia antennina O
Obelia geniculata O
Alcyonium digitatum O
Actinothoe sphyrodeta O
Caryophyllia smithii O
TUNICATA
Clavelina lepadiformis R
Aplidium punctum R
RHODOPHYTA
Heterosiphonia plumosa C
Delesseria sanguinea A
CHROMOPHYTA
Laminaria hyperborea R

Biotope 2 : Vertical bedrock wall (Sponges and anemones on vertical circalittoral bedrock). CR.HCR.XFa.SpAnVt (EUNIS A4.139)

PORIFERA
Spongionella pulchella R
Dysidea fragilis O
Pachymatisma johnstonia C
Dercitus bucklandi O
Axinella damicornis R
Axinella infundibuliformis C
Eurypon sp. O
Raspailia hispida O
Raspailia ramosa O
Stelligera montagui R
Stelligera stuposa O
Polymastia boletiformis C
Polymastia penicillus O
Tethya citrina O
Iophon hyndmani O
Iophonopsis nigricans O
Iophonopsis nigricans C
Lissodendoryx jenjonesae R
Hemimycale columella O
Hymedesmia sp. F
Hymedesmia paupertas F
Phorbas fictitius O
Myxilla fimbriata C
Myxilla incrustans F
Desmacella cf. annexa F
Spongosorites calcicola R
Haliclona urceolus O
Haliclona viscosa C
CNIDARIA
Tubularia indivisa A
Ectopleura larynx C
Nemertesia antennina C
Alcyonium digitatum A
Epizoanthus couchii F
Parazoanthus anguicomus O
Parazoanthus axinellae C
Metridium senile R
Cylista elegans C
Actinothoe sphyrodeta C
Corynactis viridis R
Caryophyllia smithii A
ANNELIDA
Filograna implexa R
CRUSTACEA
Cancer pagurus R
Necora puber R
MOLLUSCA
Polycera faeroensis R
Cadlina laevis R
BRYOZOA
Crisia eburnea A
Plagioecia patina O
Cellaria sp. C
ECHINODERMATA
Porania pulvillus R
Henricia oculata O
Marthasterias glacialis R
TUNICATA
Aplidium nordmanni O
Aplidium punctum F
Polycarpa pomaria R
PISCES
Ctenolabrus rupestris R
Labrus bergylta R
Labrus mixtus R
Thorogobius ephippiatus R
RHODOPHYTA
Delesseria sanguinea R

Biotope 3 : Kelp forest (Laminaria hyperborea with dense foliose red seaweeds on exposed infralittoral rock). IR.HIR.KFaR.LhypR.Ft (EUNIS A3.1151)

CTENOPHORA
Pleurobrachia pileus P
ECHINODERMATA
Echinus esculentus R
RHODOPHYTA
Phycodrys rubens A
CHROMOPHYTA
Laminaria hyperborea A
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