Present
northwards oriented surface in mid-intertidal zone
Ahnfeltiopsis devoniensis (Greville) P.C.Silva & DeCew, 1992
Identification and abundance measurement of each algal, invertebrate and lichen macrospecies within 25 cm2 quadrats: 20 replicates at midshore, 10 northwards (cold) and 10 southwards (hot); and 10 replicates at lowshore on flat surfaces
Apoglossum ruscifolium (Turner) J.Agardh, 1898
Catenella caespitosa (Withering) L.M.Irvine, 1976
Caulacanthus ustulatus (Turner) Kützing, 1843
Chondracanthus acicularis (Roth) Fredericq, 1993
Chondria coerulescens (J.Agardh) Sauvageau, 1897
Dumontia contorta (S.G.Gmelin) Ruprecht, 1850
Dictyota dichotoma (Hudson) J.V.Lamouroux, 1809
Fucus guiryi Zardi, Nicastro, E.S.Serrão & G.A.Pearson, 2011
Gelidium pulchellum (Turner) Kützing, 1868
Gymnogongrus crenulatus (Turner) J.Agardh, 1851
Halopteris filicina (Grateloup) Kützing, 1843
Hildenbrandia rubra (Sommerfelt) Meneghini, 1841
Himanthalia elongata (Linnaeus) S.F.Gray, 1821
Halurus equisetifolius (Lightfoot) Kützing, 1843
Jania rubens (Linnaeus) J.V.Lamouroux, 1816
Lithophyllum byssoides (Lamarck) Foslie, 1900
Lomentaria articulata (Hudson) Lyngbye, 1819
Mastocarpus stellatus (Stackhouse) Guiry, 1984
Mesophyllum lichenoides (J.Ellis) Me.Lemoine, 1928
Nemalion elminthoides (Velley) Batters, 1902
Nesoia latifolia (P.Crouan & H.Crouan ex Kützing) H.W.Lee & M.S.Kim, 2019
Osmundea pinnatifida (Hudson) Stackhouse, 1809
Palmaria palmata (Linnaeus) F.Weber & D.Mohr, 1805
Phymatolithon lenormandii (J.E.Areschoug) W.H.Adey, 1966
Plocamium cartilagineum (Linnaeus) P.S.Dixon, 1967
Pseudoralfsia verrucosa (Areschoug) Parente, Fletcher & G.W.Saunders, 2020
Rhodothamniella floridula (Dillwyn) Feldmann, 1978
Scytosiphon lomentaria (Lyngbye) Link, 1833
Steromphala pennanti (R. A. Philippi, 1851)
Steromphala umbilicalis (da Costa, 1778)
Halichondria (Halichondria) panicea (Pallas, 1766)
Onchidella celtica (Audouin & H. Milne Edwards, 1832)
Pachygrapsus marmoratus (Fabricius, 1787)
Pollicipes pollicipes (Gmelin, 1791 [in Gmelin, 1788-1792])
Spirobranchus triqueter (Linnaeus, 1758)
Calothrix C.Agardh ex Bornet & Flahault, 1886
Lichina pygmaea (Lightf.) C. Agardh, 1817
southwards oriented surface in mid-intertidal zone
flat surface in low-intertidal zone
Acrosorium ciliolatum (Harvey) Kylin, 1924
Ahnfeltia plicata (Hudson) E.M.Fries, 1836
Alaria esculenta (Linnaeus) Greville, 1830
Vertebrata thuyoides (Harvey) Kuntze, 1891
Bornetia secundiflora (J.Agardh) Thuret, 1855
Bryopsis plumosa (Hudson) C.Agardh, 1823
Calliblepharis ciliata (Hudson) Kützing, 1843
Calliblepharis jubata (Goodenough & Woodward) Kützing, 1843
Chondracanthus teedei (Mertens ex Roth) Kützing, 1843
Chondria dasyphylla (Woodward) C.Agardh, 1817
Chylocladia verticillata (Lightfoot) Bliding, 1928
Cladophora rupestris (Linnaeus) Kützing, 1843
Cladostephus spongiosus (Hudson) C.Agardh, 1817
Colpomenia (Endlicher) Derbès & Solier, 1851
Cryptopleura ramosa (Hudson) L.Newton, 1931
Ericaria selaginoides (Linnaeus) Molinari & Guiry, 2020
Delesseria sanguinea (Hudson) J.V.Lamouroux, 1813
Dictyopteris polypodioides (A.P.De Candolle) J.V.Lamouroux, 1809
Furcellaria lumbricalis (Hudson) J.V.Lamouroux, 1813
Gastroclonium ovatum (Hudson) Papenfuss, 1944
Gastroclonium reflexum (Chauvin) Kützing, 1849
Gelidium corneum (Hudson) J.V.Lamouroux, 1813
Gelidium spinosum (S.G.Gmelin) P.C.Silva, 1996
Gigartina pistillata (S.G.Gmelin) Stackhouse, 1809
Gracilaria multipartita (Clemente) Harvey, 1846
Gracilariopsis longissima (S.G.Gmelin) Steentoft, L.M.Irvine & Farnham, 1995
Halopithys incurva (Hudson) Batters, 1902
Halopteris scoparia (Linnaeus) Sauvageau, 1904
Heterosiphonia plumosa (J.Ellis) Batters, 1902
Hypnea musciformis (Wulfen) J.V.Lamouroux, 1813
Hypoglossum hypoglossoides (Stackhouse) Collins & Hervey, 1917
Jania squamata (Linnaeus) J.H.Kim, Guiry & H.-G.Choi, 2007
Laminaria digitata (Hudson) J.V.Lamouroux, 1813
Laminaria hyperborea (Gunnerus) Foslie, 1884
Laminaria ochroleuca Bachelot de la Pylaie, 1824
Laurencia obtusa (Hudson) J.V.Lamouroux, 1813
Leathesia marina (Lyngbye) Decaisne, 1842
Lomentaria clavellosa (Lightfoot ex Turner) Gaillon, 1828
Membranoptera alata (Hudson) Stackhouse, 1809
Metacallophyllis laciniata (Hudson) A.Vergés & L.Le Gall, 2017
Nemoderma tingitanum Schousboe ex Bornet, 1892
Nitophyllum punctatum (Stackhouse) Greville, 1830
Osmundea hybrida (A.P.de Candolle) K.W.Nam, 1994
Osmundea osmunda (S.G.Gmelin) K.W.Nam & Maggs, 1994
Petalonia fascia (O.F.Müller) Kuntze, 1898
Phyllophora crispa (Hudson) P.S.Dixon, 1964
Pterocladiella capillacea (S.G.Gmelin) Santelices & Hommersand, 1997
Pterosiphonia complanata (Clemente) Falkenberg, 1897
Pterothamnion plumula (J.Ellis) Nägeli, 1855
Ptilota gunneri P.C.Silva, Maggs & L.M.Irvine, 1993
Rhodomela confervoides (Hudson) P.C.Silva, 1952
Rytiphlaea tinctoria (Clemente) C.Agardh, 1824
Saccharina latissima (Linnaeus) C.E.Lane, C.Mayes, Druehl & G.W.Saunders, 2006
Saccorhiza polyschides (Lightfoot) Batters, 1902
Sargassum muticum (Yendo) Fensholt, 1955
Schottera nicaeensis (J.V.Lamouroux ex Duby) Guiry & Hollenberg, 1975
Scinaia furcellata (Turner) J.Agardh, 1851
Scinaia interrupta (A.P.de Candolle) M.J.Wynne, 1989
Sphaerococcus coronopifolius Stackhouse, 1797
Taonia atomaria (Woodward) J.Agardh, 1848
Titanoderma pustulatum (J.V.Lamouroux) Nägeli, 1858
Gongolaria baccata (S.G.Gmelin, 1768) Molinari & Guiry, 2020
Undaria pinnatifida (Harvey) Suringar, 1873
Valonia utricularis (Roth) C.Agardh, 1823
Vertebrata fruticulosa (Wulfen) Kuntze, 1891
Xiphosiphonia pennata (C.Agardh) Savoie & G.W.Saunders, 2016
Zanardinia typus (Nardo) P.C.Silva, 2000
Leptasterias (Leptasterias) muelleri (M. Sars, 1846)
Marthasterias glacialis (Linnaeus, 1758)
top- to low-intertidal zone
Identification and abundance scaling of each algal, invertebrate and lichen macrospecies observed from top to lowshore; abundance estimation based on the SACFOR scale
Caryophyllia (Caryophyllia) smithii Stokes & Broderip, 1828
Coscinasterias tenuispina (Lamarck, 1816)
Ophiothrix fragilis (Abildgaard in O.F. Müller, 1789)
Paraleucilla magna Klautau, Monteiro & Borojevic, 2004
Spurilla neapolitana (Delle Chiaje, 1841)
Ascophyllum nodosum (Linnaeus) Le Jolis, 1863
Callithamnion tetragonum (Stackhouse) S.F.Gray, 1821
Callithamnion sensu latu (incl. Aglaothamnion)
Chorda filum (Linnaeus) Stackhouse, 1797
Corallina censu latu (incl. eisollandia elongata)
Cystoclonium purpureum (Hudson) Batters, 1902
Cystoseira humilis Schousboe ex Kützing, 1860
Desmarestia aculeata (Linnaeus) J.V.Lamouroux, 1813
Desmarestia ligulata (Stackhouse) J.V.Lamouroux, 1813
Desmarestia viridis (O.F.Müller) J.V.Lamouroux, 1813
Dictyota cyanoloma Tronholm, De Clerck, A.Gómez-Garreta & Rull Lluch, 2010
Ellisolandia elongata (J.Ellis & Solander) K.R.Hind & G.W.Saunders, 2013
Gelidium pusillum (Stackhouse) Le Jolis, 1863
Grateloupia filicina (J.V.Lamouroux) C.Agardh, 1822
Halidrys siliquosa (Linnaeus) Lyngbye, 1819
Kallymenia reniformis (Turner) J.Agardh, 1842
Vertebrata reptabunda (Suhr) Díaz-Tapia & Maggs, 2017
Osmundea truncata (Kützing) K.W.Nam & Maggs, 1994
Pelvetia canaliculata (Linnaeus) Decaisne & Thuret, 1845
Carradoriella elongata (Hudson) Savoie & G.W.Saunders, 2019
Rissoella verruculosa (Bertoloni) J.Agardh, 1851
Rivularia bullata Berkeley ex Bornet & Flahault, 1886
Rugulopteryx okamurae (E.Y.Dawson) I.K.Hwang, W.J.Lee & H.S.Kim, 2009
Treptacantha nodicaulis (Withering) Orellana & Sansón, 2019
Hydropunctaria maura (Wahlenb. ex Ach.) C. Keller, Gueidan & Thüs, 2009
Vertebrata lanosa (Linnaeus) T.A.Christensen, 1967
Xiphosiphonia Savoie & G.W.Saunders, 2016
Xiphosiphonia ardreana (Maggs & Hommersand) Savoie & G.W.Saunders, 2016