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Table 2 Species presence (1)/absence (0) at 8 sections of shore with in the bay of Ferraria and 3 sections of shore in Porto Formoso [Opport Opportunist species, ESG ecological status group (ESG1—late successional; ESG2—early successional), FG functional group (FG1—unicellular and epiphytic, endophytic, epiphytic and endophytic forms; FG2—foliose, thin, membranous and sheet-like forms; FG3—uniseriate filamentous forms; FG4—multiseriate and/or corticated filamentous forms; FG5—coarsely branched and highly corticated forms; FG6—thick, leathery and cartilaginous forms; FG7—jointed calcareous forms; FG8—crustose forms)]

From: Intertidal rocky shore seaweed communities subject to the influence of shallow water hydrothermal activity in São Miguel (Azores, Portugal)

  Oport ESG FG Ferraria P Formoso
Vertical bedrock Boulders Boulders/pebbles
Rhodophyta     A B C D A B C D A B C
 Acrosorium venulosum 0 2 2 0 0 0 1 0 0 0 0 0 0 0
 Aglaothamnion sp. 0 2 3 0 0 0 0 0 0 0 0 0 1 0
 Antithamnion decipiens 0 2 3 0 0 0 0 0 0 0 0 0 1 0
 Callithamnion corymbosum 0 2 3 1 1 1 1 0 1 1 1 0 0 0
 Callithamnion sp. 0 2 3 0 0 0 1 0 0 0 0 0 0 0
 Callithamnion tetragonum 0 2 3 0 0 0 1 0 0 0 0 0 0 0
 Caulacanthus ustulatus 0 1 5 0 0 1 1 0 0 0 0 0 0 0
 Centroceras clavulatum 0 2 4 0 0 0 0 0 1 0 0 0 0 0
 Ceramium ciliatum 0 2 4 0 0 0 0 0 0 0 0 0 1 0
 Ceramium diaphanum 0 2 4 0 1 0 1 0 0 0 0 0 1 1
 Ceramium rubrum 0 2 4 0 0 0 0 0 0 0 0 1 1 0
 Chondracanthus acicularis 0 1 5 0 0 1 1 0 0 0 0 1 1 1
 Ctenosiphonia hypnoides 0 1 5 0 0 0 0 0 0 0 0 0 0 1
 Diplothamnion jolyi 0 2 3 0 0 0 0 0 0 0 0 0 1 0
 Falkenbergia rufolanosa phase 0 2 4 0 0 0 0 0 0 0 0 1 1 1
 Gelidium microdon 0 1 5 1 1 1 1 0 0 0 0 0 0 0
 Gelidium pusillum 0 1 5 0 1 1 1 1 1 0 1 1 1 1
 Gymnogongrus crenulatus 0 1 5 1 1 1 1 0 1 1 0 1 0 1
 Herposiphonia secunda 0 1 5 1 0 1 1 0 0 0 0 0 0 0
 Lophosiphonia reptabunda 0 1 5 0 0 0 0 0 0 0 1 0 0 1
 Nitophyllum punctatum 0 2 2 0 0 1 0 0 0 0 0 0 0 0
 Palisada poiteaui 0 1 5 0 0 0 0 0 0 0 0 0 1 1
 Phyllophora gelidioides 0 1 5 0 1 0 0 0 0 0 0 0 0 0
 Polysiphonia sp. 0 2 4 0 0 0 0 1 1 1 0 0 1 1
 Polysiphonia sphacelaria 0 2 4 0 0 0 0 0 0 1 0 0 0 0
 Polysiphonia stricta 0 2 4 1 0 1 0 0 0 1 1 1 0 0
 Porphyra sp. 1 2 2 0 1 1 1 0 1 1 1 0 0 0
 Rhodymenia holmesii 0 1 5 0 0 1 1 0 0 0 0 0 0 0
 Symphyocladia marchantioides 0 1 8 0 0 0 0 0 0 0 0 0 0 1
Total     5 7 11 13 2 6 6 5 6 11 10
Heterokontohyta
 Cladostephus spongiosus 0 1 4 0 0 0 0 0 0 0 0 0 1 1
 Colpomenia sinuosa 0 1 5 0 0 0 0 0 0 0 0 0 0 1
 Brown crust 0 1 8 0 0 0 0 0 1 0 0 0 1 0
 Cystoseira abies-marina 0 1 6 0 0 0 0 0 0 0 0 0 0 1
 Ectocarpus fasciculatus 1 2 3 0 0 0 0 0 0 0 1 0 0 0
 Ectocarpus siliculosus 1 2 3 1 0 0 0 0 0 1 1 0 0 0
 Endarachne binghamiae 0 2 5 0 1 1 1 0 1 1 1 0 0 0
 Hecatonema terminale 0 2 1 0 0 0 0 0 0 1 0 0 0 0
 Sargassum cymosum 0 1 6 0 0 0 0 0 0 0 0 1 1 0
 Sargassum furcatum 0 1 6 0 0 0 0 0 0 0 0 0 0 1
 Scytosiphon lomentaria 0 2 5 0 0 0 1 0 1 1 1 0 0 0
 Sphacelaria rigidula 0 1 3 0 1 1 0 1 1 1 1 0 0 0
 Sphacelaria sp. 0 1 3 1 0 1 0 0 0 0 0 0 0 0
 Stypocaulon scoparium 0 1 4 0 0 0 0 0 0 0 0 1 1 1
Total     2 2 3 2 1 4 5 5 2 4 5
Chlorophyta
 Blidingia minima 1 2 2 1 0 0 0 0 0 0 0 0 0 0
 Bryopsis cupressina 0 2 2 0 0 1 1 0 0 0 0 0 0 0
 Bryopsis plumosa 0 2 2 0 0 0 0 0 1 0 0 0 0 0
 Chaetomorpha aerea 1 2 3 0 0 0 0 1 1 0 0 0 1 1
 Cladophora albida 0 2 3 0 0 1 0 1 0 0 0 0 0 0
 Cladophora conferta 0 2 3 1 0 0 0 0 0 0 0 0 0 0
 Cladophora laetervirens 0 2 3 0 0 0 0 1 0 1 1 0 0 0
 Codium adhaerens 0 1 5 0 0 0 0 0 0 0 0 1 1 1
 Codium fragile 0 1 5 0 0 0 0 0 0 0 0 0 0 1
 Ulva compressa 1 2 2 0 1 0 0 1 1 1 1 1 0 0
 Ulva intestinalis 1 2 2 1 0 1 1 1 1 1 1 0 0 1
 Ulva prolifera 1 2 2 0 0 0 1 1 1 1 0 0 1 0
 Ulva rigida 1 2 2 1 1 1 1 0 1 1 1 0 0 0
Total     4 2 4 4 6 6 5 4 2 3 4
     11 11 18 19 9 16 16 14 10 18 19
  1. Legend for shore section according to Figs. 2 and 3