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Table 2 SIMPER similarity analysis of infaunal species within stations along salinity-pH gradient

From: Benthic infaunal community structuring in an acidified tropical estuarine system

Species

Average abundance

Average similitude

Similitude/SD

Contribution %

Cumulative %

Station S1

     

Average similarity: 52.65

     

Nereididae sp.2

4.28

23.09

2.52

43.86

43.86

Prionospio sp

2.35

11.02

3.01

20.94

64.80

Cyclopoida sp.

1.68

5.73

0.77

10.89

75.69

Neanthes sp.

1.79

5.10

0.98

9.69

85.38

Potamilla leptochaeta

1.84

3.37

0.60

6.40

91.77

Station S2

     

Average similarity: 54.96

     

Neanthes sp.

5.74

19.25

1.48

35.03

35.03

Cyclopoida sp.

3.83

14.39

3.23

26.19

61.21

Nereididae sp.2

2.91

9.27

1.25

16.87

78.08

Capitellidae sp.1

1.93

7.65

1.81

13.91

91.99

Station S3

     

Average similarity: 59.87

     

Corophiidae sp.

4.71

27.80

2.82

46.44

46.44

Capitellidae sp.1

2.17

16.54

2.57

27.63

74.07

Neanthes sp.

2.69

11.42

1.08

19.07

93.14

Station S4

     

Average similarity: 62.53

     

Onuphis conchylega

4.91

11.52

1.88

18.42

18.42

Nereididae sp. 3

3.97

9.76

2.92

15.61

34.03

Capitellidae sp.1

3.01

7.97

5.03

12.75

46.79

Goniada sp.

3.14

5.73

1.15

9.17

55.95

Magelona sp.

1.66

4.19

4.39

6.70

62.66

Pilargidae sp.

1.70

3.96

1.87

6.34

69.00

Maldanidae sp.

1.38

3.18

1.72

5.09

74.09

Pholoe sp.

1.37

2.48

1.04

3.97

78.06

Nephtys sp.

1.11

2.17

1.01

3.47

81.53

Corophiidae sp.

1.01

1.70

0.82

2.71

84.24

Spionidae sp.

0.89

1.48

0.83

2.36

86.60

Harpacticoida sp.

1.06

1.40

0.65

2.24

88.84

Paranthuridae sp.

1.00

1.31

0.65

2.10

90.94

Station S5

     

Average similarity: 46.79

     

Capitellidae sp.1

2.55

9.88

3.54

21.11

21.11

Goniada sp.

2.20

7.91

1.65

16.91

38.02

Neanthes sp.

3.05

7.14

0.71

15.26

53.27

Pilargidae sp.

1.67

5.66

1.70

12.10

65.38

Onuphis conchylega

1.82

4.76

0.88

10.16

75.54

Harpacticoida sp.

1.28

3.21

1.01

6.86

82.40

Prionospio sp

0.94

3.04

1.06

6.51

88.91

Amphipoda sp. 2

1.66

2.11

0.45

4.51

93.41