Marine Biodiversity Data Portal - NI

Port Gorm, North Coast.

Survey number: 555 Event number: 19850917/21 Date: 1985-09-17 GPS: 55.21683,-6.55600. Depth: 3.5 to 0.2 m. [ View map ]

Site Description: Transect A (17.9.85) is across the moderately sheltered (Ascophyllum dominated) large igneous boulders to the west of Port Gorm. Below zone 4, the boulders fall away to a deep sandy pool. Transect B (18.9.85) was situated on a basalt platform in the middle of the small bay (Port Gorm) formed from 'pillow' larva. They have extensive tops which exist in the upper shore and wave splash, and relatively steep sides which occupy most of the intertidal. The exposure would vary considerably as the steep sides of the platforms are convoluted, having headland and inlets and some offshore submerged platforms. The top of the platform was extensive having flat areas in which wide shallow rockpools (dominated by Enteromorpha containing sand occur, together with small ridges with some Pelvetia. The zonation depended upon exposure.

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Species list (176 species recorded)

PORIFERA Fabricia sabella Cancer pagurus Alcyonidium hirsutum Hildenbrandia rubra Ptilota gunneri Halidrys siliquosa
Leucosolenia botryoides Pomatoceros triqueter Necora puber Flustrellidra hispida Corallina officinalis Heterosiphonia plumosa Ascophyllum nodosum
Myxilla incrustans Filograna implexa Carcinus maenas Scruparia chelata Leptophytum sp. Cryptopleura ramosa Fucus serratus
Halichondria panicea Spirorbis spirorbis Pilumnus hirtellus Eucratea loricata Lithophyllum incrustans Membranoptera alata Fucus spiralis
CNIDARIA Spirorbis tridentatus MOLLUSCA Electra pilosa Lithothamnion glaciale Phycodrys rubens Fucus vesiculosus
Haliclystus auricula OLIGOCHAETA sp. Tricolia (Tricolia) pullus Callopora lineata Melobesia membranacea Odonthalia dentata Pelvetia canaliculata
Coryne muscoides CHELICERATA Testudinalia testudinalis Scrupocellaria reptans Phymatolithon lamii Osmundea hybrida Himanthalia elongata
Diphasia sp. Achelia echinata Tectura virginea Scrupocellaria scruposa Phymatolithon lenormandii Osmundea pinnatifida CHLOROPHYTA
Dynamena pumila Achelia longipes Patella (Patella) vulgata Celleporella hyalina Pneophyllum sp. Polysiphonia atlantica Ulothrix flacca
Sertularella polyzonias Endeis spinosa Patella pellucida Schizoporella unicornis Titanoderma corallinae Polysiphonia lanosa Ulothrix subflaccida
Obelia geniculata Pycnogonum littorale Lacuna (Lacuna) pallidula Phaeostachys spinifera Titanoderma pustulatum Polysiphonia stricta Blidingia sp.
Actinia equina CRUSTACEA Lacuna (Epheria) vincta Celleporina hassallii Catenella caespitosa Rhodomela confervoides Blidingia minima
Urticina felina Verruca stroemia Littorina sp. ECHINODERMATA Cystoclonium purpureum CHROMOPHYTA Enteromorpha sp.
NEMERTEA Chthamalus stellatus Littorina (Littorina) littorea Amphipholis squamata Dilsea carnosa Ectocarpus fasciculatus Enteromorpha intestinalis
NEMERTEA sp. Elminius modestus Littorina (Neritrema) mariae TUNICATA Furcellaria lumbricalis Hincksia hincksiae Enteromorpha prolifera
ENTOPROCTA Semibalanus balanoides Littorina (Neritrema) neglecta Didemnum sp. Chondrus crispus Streblonema effusum Ulva fasciata
Pedicellina cernua Apherusa jurinei Littorina (Neritrema) obtusata Botryllus schlosseri Erythrodermis traillii Elachista fucicola Chaetomorpha linum
ANNELIDA Stenothoe monoculoides Melarhaphe neritoides Botrylloides leachi Mastocarpus stellatus Dictyosiphon chordaria Chaetomorpha melagonium
Harmothoe imbricata Hyale prevostii Skeneopsis planorbis PISCES Phyllophora crispa Litosiphon laminariae Cladophora albida
Eteone longa Amphithoe rubricata Rissoa interrupta Pholis gunnellus Phyllophora pseudoceranoides Ralfsia sp. Cladophora rupestris
Sphaerodorum gracilis Jassa falcata Onoba (Onoba) semicostata RHODOPHYTA Plocamium cartilagineum Cladostephus spongiosus Cladophora sericea
Typosyllis armillaris Parajassa pelagica Nucella lapillus Erythrocladia irregularis Lomentaria articulata Sphacelaria fusca Codium sp.
Odontosyllis ctenostoma Caprella acanthifera Mytilidae sp. Porphyra insolita Callithamnion tetragonum Dictyota dichotoma Codium atlanticum
Nereis pelagica Jaera sp. Mytilus edulis Acrochaetium secundata Ceramium sp. Desmarestia aculeata
Cirratulus cirratus Janira maculosa Turtonia minuta Rhodochorton purpureum Ceramium diaphanum Alaria esculenta
Capitellidae sp. Idotea emarginata BRYOZOA Gelidium pusillum Ceramium gaditanum Laminaria digitata
Arenicola marina Idotea granulosa Crisidia cornuta Palmaria palmata Ceramium shuttleworthianum Laminaria hyperborea
Nicolea venustula Porcellana platycheles Crisia denticulata Ahnfeltia plicata Plumaria plumosa Laminaria saccharina

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