Marine Biodiversity Data Portal - NI

Ardglass Bay (rock), SE Coast.

Survey number: 555 Event number: 19851019/21 Date: 1985-10-19 GPS: 54.26283,-5.60700. Depth: 3.5 to 0.2 m. [ View map ]

Site Description: The site consists of rock ridge outcrops interrupted by small boulders and stones on the lower shore, and by muddy gravel, muddy sand and stones on the upper shore. Much of the rock is sediment covered. The rock ridges on the upper shore are fucoid dominated mainly by Ascophyllum. However, on the lower shore only the areas between the ridges are fucoid dominated, with the ridge tops themselves dominated by barnacles, limpets and Nucella. There was a poor tide on the sampling date. The most prominent sub habitats were a number of wide, shallow rock pools in zone 4, which had a good animal and algal diversity. Zone 5 was partially submerged on arrival, and may be richer than the results indicate. Wading revealed a lower zone of patchy Saccharina latissima (originally recorded as Laminaria saccharina).

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Species list (148 species recorded)

PORIFERA Spirorbis tridentatus Testudinalia testudinalis ECHINODERMATA Palmaria palmata Polysiphonia lanosa Pelvetia canaliculata
Leucosolenia complicata CHELICERATA Tectura virginea Asterina gibbosa Hildenbrandia rubra Polysiphonia stricta CHLOROPHYTA
Myxilla incrustans Phoxichilidium femoratum Patella (Patella) ulyssiponensis Asterias rubens Corallina officinalis CHROMOPHYTA Chlorochytrium cohnii
Halichondria panicea CRUSTACEA Patella (Patella) vulgata Ophiothrix fragilis Leptophytum sp. Ectocarpus siliculosus Prasiola stipitata
Laxosuberites sp. Verruca stroemia Littorina (Littorina) littorea Amphipholis squamata Lithophyllum sp. Pylaiella littoralis Rosenvingiella polyrhiza
CNIDARIA Semibalanus balanoides Littorina (Neritrema) mariae Ophiura ophiura Lithophyllum crouanii Elachista fucicola Spongomorpha aeruginosa
Dynamena pumila AMPHIPODA sp. Littorina (Neritrema) neglecta TUNICATA Lithothamnion glaciale Dictyosiphon chordaria Ulothrix flacca
Obelia dichotoma Apherusa jurinei Littorina (Neritrema) obtusata Polyclinum aurantium Phymatolithon lenormandii Dictyosiphon foeniculaceus Ulothrix subflaccida
Obelia geniculata Hyale prevostii Melarhaphe neritoides Sidnyum turbinatum Titanoderma pustulatum Petalonia fascia Chlorofilum ephemerum
Actinia equina Gammarus locusta Rissoa interrupta Trididemnum tenerum Catenella caespitosa Ralfsia sp. Ulvella applanata
Urticina felina Lembos websteri Onoba (Onoba) semicostata Ascidiella scabra Dumontia contorta Ralfsia verrucosa Blidingia sp.
ANNELIDA Jaera sp. Nucella lapillus Ascidia conchilega Chondrus crispus Scytosiphon lomentaria Blidingia minima
Harmothoe imbricata Jaera albifrons Buccinum undatum Botryllus schlosseri Erythrodermis traillii Leathesia difformis Enteromorpha sp.
Harmothoe impar Idotea granulosa Mytilidae sp. PISCES Mastocarpus stellatus Cladostephus spongiosus Enteromorpha clathrata
Lepidonotus squamatus Idotea pelagica Mytilus edulis Nerophis lumbriciformis Gracilaria gracilis Sphacelaria fusca Enteromorpha compressa
Nereis pelagica Palaemon elegans Cerastoderma edule Pholis gunnellus Lomentaria articulata Dictyota dichotoma Enteromorpha intestinalis
Platynereis dumerilii Pagurus bernhardus Venerupis corrugata RHODOPHYTA Ceramium sp. Laminaria digitata Enteromorpha prolifera
Cirratulus cirratus Pisidia longicornis BRYOZOA Porphyra amethystea Ceramium diaphanum Laminaria saccharina Percursaria percursa
Capitellidae sp. Porcellana platycheles Alcyonidium gelatinosum Acrochaetium secundata Ceramium shuttleworthianum Halidrys siliquosa Ulva fasciata
Arenicola marina Hyas araneus Alcyonidium mytili Audouinella sp. Membranoptera alata Ascophyllum nodosum Chaetomorpha melagonium
Lanice conchilega Necora puber Electra pilosa Gelidium sp. Osmundea hybrida Fucus serratus Cladophora rupestris
Pomatoceros triqueter Carcinus maenas Celleporella hyalina Gelidium pusillum Osmundea pinnatifida Fucus spiralis Cladophora sericea
Spirorbis spirorbis MOLLUSCA Cryptosula pallasiana Pterocladiella capillacea Polysiphonia sp. Fucus vesiculosus Rhizoclonium riparium

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