Marine Biodiversity Data Portal - NI

Chapel Island Causeway, Strangford Lough.

Survey number: 555 Event number: 19860603/21 Date: 1986-06-03 GPS: 54.38300,-5.59500. Depth: 3.5 to 0.2 m. [ View map ]

Site Description: The western causeway is composed of an Ascophyllum dominated boulder shore on its outer side, facing the lough (with areas of muddy gravel), and of a more sedimentary substrate, mainly pebbles and muddy gravel, on its inner side facing the large tidal pool. The sedimentary areas were covered in a layer of Ulva (originally recorded as Enteromorpha) and brown algae. The transect was taken across the outer Strangford Lough side of the causeway, and a general species collection made from the tidal pool. There is a narrow strip of fringing saltmarsh above the transect, and zones 1 + 2 are fairly wide at the transect site. No Laminaria revealed.

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Species list (179 species recorded)

PORIFERA Cirratulus cirratus Jaera albifrons Flustra foliacea Gelidium pusillum Polysiphonia lanosa Fucus vesiculosus
Leucosolenia sp. Arenicola marina Idotea granulosa Callopora rylandi Palmaria palmata Polysiphonia stricta Pelvetia canaliculata
Sycon sp. Lanice conchilega Ligia oceanica Cryptosula pallasiana Rhodothamniella floridula CHROMOPHYTA CHLOROPHYTA
Grantia compressa Manayunkia aestuarina Pagurus bernhardus Schizoporella unicornis Ahnfeltia plicata Acinetospora crinita Prasiola stipitata
Ophlitaspongia papilla Sabella pavonina Carcinus maenas Phaeostachys spinifera Hildenbrandia rubra Ectocarpus fasciculatus Spongomorpha aeruginosa
Myxilla incrustans Hydroides norvegica MOLLUSCA Cellepora pumicosa Corallina officinalis Ectocarpus siliculosus Ulothrix flacca
Halichondria panicea Pomatoceros triqueter Calliostoma zizyphinum ECHINODERMATA Lithophyllum sp. Hincksia ovata Ulothrix subflaccida
Halisarca dujardinii Spirorbis rupestris Patella (Patella) ulyssiponensis Asterina gibbosa Lithothamnion glaciale Pylaiella littoralis Ulothrix speciosa
Haliclona sp. Spirorbis spirorbis Patella (Patella) vulgata Asterina phylactica Melobesia membranacea Spongonema tomentosum Entocladia flustrae
Laxosuberites sp. Spirorbis tridentatus Littorina (Littorina) littorea Leptasterias muelleri Phymatolithon laevigatum Elachista fucicola Blidingia marginata
CNIDARIA OLIGOCHAETA sp. Littorina (Neritrema) mariae Ophiothrix fragilis Phymatolithon lenormandii Dictyosiphon foeniculaceus Blidingia minima
Clava cornea CRUSTACEA Littorina (Neritrema) neglecta Amphipholis squamata Pneophyllum sp. Chilionema reptans Enteromorpha sp.
Dynamena pumila Verruca stroemia Littorina (Neritrema) obtusata TUNICATA Catenella caespitosa Punctaria hiemalis Enteromorpha clathrata
Gonothyraea loveni Semibalanus balanoides Skeneopsis planorbis Polyclinum aurantium Cystoclonium purpureum Petalonia fascia Enteromorpha intestinalis
Obelia dichotoma Balanus crenatus Onoba (Onoba) semicostata Sidnyum turbinatum Dilsea carnosa Isthmoplea sphaerophora Enteromorpha linza
Actinia equina Apherusa jurinei Nucella lapillus Didemnum maculosum Dumontia contorta Leathesia difformis Enteromorpha prolifera
NEMERTEA Stenothoe monoculoides Buccinum undatum Ascidia conchilega Furcellaria lumbricalis Cladostephus spongiosus Percursaria percursa
NEMERTEA sp. Hyale prevostii Acanthodoris pilosa Ascidia mentula Chondrus crispus Sphacelaria cirrosa Ulva fasciata
Lineus longissimus Orchestia mediterranea Doris pseudoargus Botryllus schlosseri Mastocarpus stellatus Sphacelaria fusca Cladophora albida
Lineus ruber Dexamine thea Mytilus edulis Botrylloides leachi Plocamium cartilagineum Sphacelaria radicans Cladophora rupestris
ANNELIDA Gammarus locusta Musculus discors PISCES Lomentaria articulata Dictyota dichotoma Cladophora sericea
Harmothoe imbricata Gammarus oceanicus Anomia ephippium Nerophis lumbriciformis Ceramium sp. Chorda filum Rhizoclonium riparium
Eumida sanguinea Amphithoe rubricata Venerupis corrugata Lipophrys pholis Ceramium ciliatum Laminaria saccharina Codium sp.
Glycera tridactyla Jassa falcata Hiatella arctica Pholis gunnellus Ceramium diaphanum Cystoseira sp. Codium atlanticum
Odontosyllis ctenostoma Lembos websteri BRYOZOA RHODOPHYTA Plumaria plumosa Halidrys siliquosa
Nereis pelagica Corophium sp. Alcyonidium gelatinosum Erythrocladia irregularis Membranoptera alata Ascophyllum nodosum
Platynereis sp. Caprella acanthifera Alcyonidium hirsutum Erythrotrichia carnea Osmundea pinnatifida Fucus serratus
Malacoceros fuliginosus Jaera sp. Flustrellidra hispida Acrochaetium secundata Polysiphonia atlantica Fucus spiralis

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