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Table 1 Average dissimilarity of size-structure of Siphonaria lessonii at different shore heights based on the similarity percentage (SIMPER) analysis for lower (L), middle (M) and upper (U) shore samples

From: Genetic and morpho-physiological differentiation in a limpet population across an intertidal gradient

Shore height Average abundance Contribution (%)
Upper (U) Lower (L) Middle (M) U vs M U vs L M vs L
Range of size (mm)       
6–7 0 1.11 2.28 16.40 12.59 14.49
7–8 0.63 2.30 3.70 22.27 19.66 17.59
8–9 1.59 2.81 3.58 14.12 14.06 9.48
9–10 1.1 3.21 1.5 4.07 9.01 5.48
10–11 0.71 3.36 2.51 12.05 9.56 3.72
11–12 2.51 3.32 3.46 6.74 10.59 9.14
12–13 2.54 3.37 2.32 5.30 10.02 13.43
13–14 2.66 2.35 1.00 11.93 7.73 16.53
14–15 1.88 1.31 1.08 7.12 6.77 10.24