The following supplement accompanies the article

Potential novel habitat by holdfasts from cultivated Laminaria digitata: assessing the macroinvertebrate assemblages

A. M. Walls*, R. Kennedy, R. D. Fitzgerald, A. J. Blight, M. P. Johnson, M. D. Edwards

*Corresponding author: [email protected]

Aquaculture Environment Interactions 8: 157–169 (2016)

Figure S1. Rarefaction plot for benthic and suspended (November and January) holdfasts

1 Table S1. list and number of individuals present in holdfast samples.

Benthic Suspended Suspended Holdfast November January Samples Holdfast Holdfast Samples Samples PHYLUM PORIFERA CLASS CALCAREA Grantia compressa 6 1 2 Sycon ciliate 96 5 3 CLASS DEMOSPONGIAE Halichondria panicea 5 0 0 Hymeniacidon perlevis 12 0 0 PHYLUM NEMATODA Nematoda indent. 897 51 14 PHYLUM ANNELIDA CLASS POLYCHAETA Polynoidae indent. 5 31 0 Harmothoe impar 1 0 2 Lepidonotus clava 2 1 0 Eulalia viridis 5 0 1 Eumida sanguinea 2 2 0 Psamathe fusca 1 1 0 Nereimyra punctata 0 5 0 Syllis sp. 16 17 8 Syllis prolifera 20 14 9 Eusylliss sp. 28 2 2 Odontosyllis sp. 6 0 18 Nereiss sp. 6 0 5 Nereis pelagica 1 1 0 Platynereis dumerilii 2 6 4 Prionospio multibranchiata 47 0 0 Dipolydora caeca 5 0 1 Aphelochaetasp. 38 11 18 Capitella capitata 1 0 0 Dasybranchus spp. 0 1 7 Fabricia stellaris 275 0 1 Hydroides norvegicus 0 0 2 Spirobranchus sp. 1 0 0 PHYLUM CRUSTACEA CLASS MALACOSTRACA ORDER CUMAEA Pseudocuma longicorne 1 0 0 ORDER ISOPODA Anthura gracilis 2 0 0 Janira maculosa 3 0 0

2 Benthic Suspended Suspended Holdfast November January Samples Holdfast Holdfast Samples Samples ORDER AMPHIPODA Apherusa jurinei 1 15 26 Iphimedia minuta 3 0 24 Liljeborgia pallida 2 0 0 Bathyporeia pelagica 0 2 0 Echinogammarus olivii 0 1 0 Cheirocratus sundevallii 7 1 6 Ampithoe gammaroides 36 39 24 Jassa falcata 19 9 28 Aoridae indent. 3 9 4 Phtisica marina 0 0 1 ORDER DECAPODA Decapoda indent. 2 55 10 Hippolyte varians 0 15 20 ORDER ACARINA Halacaridae indent. 2 0 0 PHYLUM CLASS POLYPLACOPHORA Acanthochitona crinite 2 0 0 CLASS Patella pellucida 16 1 0 Patella vulgate 3 0 0 Gibbula sp. 1 0 0 Bittium reticulatum 1 0 0 Lacuna parva 7 0 0 parva 107 3 0 semicostata 6 0 0 CLASS PELECYPODA Mytilus edulis 11 3 0 Chlamys 4 2 0 Anomia ephippium 21 2 0 Kellia suborbicularis 2 2 0 Lasaea adansoni 1 1 3 Hiatella arctica 47 1 1 PHYLUM ECHINODERMATA Ophiothrix fragilis 4 0 0 PHYLIM CHORDATA CLASS ASCIDIACEA Clavelina lepadiformis 8 0 0 Ascidia sp. 0 63 16 Molgula sp. 1 0 0

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