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Table 3 SIMPER analysis showing the contribution (\( \overline{{{\updelta}}}_{i} \)) of individual taxa to the average Bray–Curtis dissimilarity between Bifurcaria bifurcata, Sargassum muticum, and Saccorhiza polyschides (n = 45)

From: Effects of macroalgal identity on epifaunal assemblages: native species versus the invasive species Sargassum muticum

Taxon Average abundance \( \overline{{{\updelta}}}_{i} \) \( \overline{{{\updelta}}}_{i} \)% \( \overline{{{\updelta}}}_{i} \)/SD(δ i )
B.bifurcata S. muticum
Dynamene bidentata 0.62 4.52 19.85 22.70 1.13
Mytilus galloprovincialis 1.09 0.20 5.67 6.49 0.68
Bittium reticulatum 0.92 0.49 5.36 6.13 0.79
Cingulopsis fulgida 0.19 0.93 4.68 5.36 0.74
Nematoda 0.57 0.20 3.48 3.98 0.71
Rissoa parva 0.34 0.56 3.32 3.80 0.72
Caprella pernantis 0.03 0.56 3.21 3.67 0.46
Capitellidae 0.61 0.03 3.20 3.66 0.44
  B.bifurcata S. polyschides    
Bittium reticulatum 0.92 8.49 9.79 10.62 0.74
Mytilus galloprovincialis 1.09 1.77 6.66 7.23 0.60
Sabellidae 0.10 3.20 6.56 7.11 0.80
Ophiotrix fragilis 0.02 2.83 5.39 5.85 0.68
Rissoa parva 0.34 1.60 5.12 5.55 0.45
Amphiura securigera 0.32 1.84 4.44 4.82 0.74
  S. muticum S. polyschides    
Dynamene bidentata 4.52 0.04 15.48 16.20 1.00
Bittium reticulatum 0.49 8.49 8.83 9.24 0.65
Sabellidae 0.05 3.20 6.43 6.73 0.78
Rissoa parva 0.56 1.60 5.43 5.68 0.47
Ophiotrix fragilis 0.01 2.83 5.31 5.56 0.66
Mytilus galloprovincialis 0.20 1.77 4.87 5.09 0.46
Cingulopsis fulgida 0.93 0.80 3.82 4.00 0.73
Amphiura securigera 0.10 1.84 3.79 3.97 0.71