Marine Biodiversity Data Portal - NI

Bar Hall Bay, Strangford Lough.

Survey number: 555 Event number: 19860618/21 Date: 1986-06-18 GPS: 54.34100,-5.51500. Depth: 3.5 to 0.2 m. [ View map ]

Site Description: The transect is taken across an intertidal of muddy gravel and sand, with a shingle upper shore and scattered boulders on mid shore, which become more common towards the lower shore. Filiform and filamentous brown algal mats cover the sediment on the lower shore, and the lower shore boulders have a good algal diversity. The intertidal is covered by raised mounds formed from Arenicola casts. The supralittoral is formed of shingle. Between levels 2 and 3, the surface is pock marked by small depressions between Arenicola casts; small algal mats (mainly Ulva (originally recorded as Enteromorpha) ) cover part of the surface.

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Species list (87 species recorded)

CNIDARIA Exogone hebes Praunus flexuosus Caprella acanthifera Cerastoderma edule Callithamnion tetricum Chorda filum
Dynamena pumila Hediste diversicolor Apherusa jurinei Caprella linearis Turtonia minuta Ceramium sp. Laminaria saccharina
HEXACORALLIA sp. Nereis pelagica Perioculodes longimanus Idotea baltica ECHINODERMATA Osmundea hybrida Ascophyllum nodosum
Actinia equina Malacoceros fuliginosus Stenothoe monoculoides Idotea granulosa Asterias rubens Polysiphonia lanosa Fucus serratus
NEMERTEA Pygospio elegans Dexamine thea Crangon crangon Amphipholis squamata CHROMOPHYTA Fucus vesiculosus
NEMERTEA sp. Capitella sp. Ampelisca brevicornis Pagurus bernhardus RHODOPHYTA Acinetospora crinita CHLOROPHYTA
NEMATODA Capitomastus minimus Gammarus locusta Carcinus maenas Porphyra insolita Ectocarpus fasciculatus Enteromorpha sp.
NEMATODA sp. Arenicola marina Amphithoe rubricata MOLLUSCA Rhodothamniella floridula Ectocarpus siliculosus Enteromorpha intestinalis
ANNELIDA Nicomache sp. Microprotopus maculatus Littorina (Neritrema) mariae Melobesia membranacea Pylaiella littoralis Ulva fasciata
Harmothoe imbricata Fabricia sabella Lembos websteri Skeneopsis planorbis Cystoclonium purpureum Elachista fucicola Chaetomorpha linum
Eteone longa Spirorbis spirorbis Microdeutopus anomalus Onoba (Onoba) semicostata Dumontia contorta Dictyosiphon foeniculaceus Cladophora rupestris
Anaitides maculata OLIGOCHAETA sp. Corophium bonnellii Nucella lapillus Furcellaria lumbricalis Chilionema reptans Cladophora sericea
Goniada maculata CRUSTACEA Corophium crassicorne Mytilus edulis Mastocarpus stellatus Leathesia difformis Codium tomentosum
Microphthalmus sczelkowii Nebalia bipes Corophium volutator Mysella bidentata Plocamium cartilagineum Sphacelaria cirrosa

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