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Table 7 SIMPER results

From: Comparison of the community structure of the marine molluscs of the “Banco D. João de Castro” seamount (Azores, Portugal) with that of typical inshore habitats on the Azores archipelago

Groups of sites

Average similarity

Species

Species % (ratio of each species)

Cumulative (%)

DJC

44.55

Gre–Cra

33.22–19.23

(3.59–5.53)

52.45

RQT

47.67

Nas

39.58

(2.37)

39.58

CAP (all stations)

51.19

Bit–Tpa

27.14–17.84

(2.81–2.93)

44.98

CAP (15–16)

55.92

Bit–Tpa–Oci–Ana

23.91–14.64–10.93–10.10

(2.77–3.21–1.91–2.18)

59.58

CAP (6–8)

48.54

Bit–Tpa

28.20–19.93

(3.17–3.06)

48.14

Inshore

42.00

Bit–Tpa

23.77–19.79

(1.44–1.99)

43.56

Offshore

44.55

Gre–Cra

33.22–19.23

(3.59–5.53)

52.45

With hydrothermal activity

31.11

No species with ratio >1.4

No hydrothermal activity

51.19

Bit–Tpa

27.14–17.84

(2.81–2.93)

44.98

Rocky substrate

40.36

Bit

27.49

(1.82)

27.49

Sandy substrate

47.67

Nas

39.58

(2.37)

39.58

Groups

Average dissimilarity

Species

Species %

(ratio of each species)

Cumulative (%)

Inshore/offshore

76.86

Gre–Tpa

9.94–7.67

(1.64–2.91)

17.60

Hydrothermal activity/no activity

71.72

Tpa

6.90

(1.47)

6.90

Rocky substrate/sandy substrate

72.09

No species with ratio >1.4

  1. Ana A. avaroides, Bit B. latreillii, Cra C. pusio, Nas N. incrassatus, Oci O. aciculata, Tpa Tricolia pullus azorica, Gre G. semigranata; other abbreviations as in Table 1