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Table 3 Results of the SIMPER routine showing the species, which made the greatest contributions to dissimilarity in significant contrast between engineered habitats at each season ranked by decreasing power (%)

From: Habitat complexity and community composition: relationships between different ecosystem engineers and the associated macroinvertebrate assemblages

 

Taxa

Av. density

Av. density

Contrib. %

Cum. %

  

S-M

M

  

Autumn

Groups S-M & M

Av. dissimilarity = 31.99

Pseudosphaeroma sp.

37.30

6.80

14.87

14.87

Orchestia gammarella

8.00

0.00

13.44

28.31

Boccardia polybranchia

1.00

23.35

12.63

40.94

Mytilus sp.

3.78

2.28

9.31

50.25

  

S-M

B

  

Groups S-M & B

Av. dissimilarity = 43.81

Boccardia polybranchia

0.25

53.38

24.71

24.71

Cyrtograpsus altimanus

3.61

0.10

10.88

35.59

Orchestia gammarella

7.24

0.00

10.83

46.43

Mytilus sp.

2.33

0.18

8.66

55.09

  

M

B

  

Groups M & B

Av. dissimilarity = 40.86

Boccardia polybranchia

5.84

53.38

17.13

17.13

Pseudosphaeroma sp.

1.70

15.60

13.95

31.08

Cyrtograpsus altimanus

4.19

0.10

12.34

43.42

Nemertea

2.81

0.18

10.12

53.55

  

S-M

M

  

Winter

Groups S-M & M

Av. dissimilarity = 25.76

Actinaria

5.08

2.46

12.71

12.71

Boccardia polybranchia

1.11

7.10

11.92

24.63

Orchestia gammarella

2.45

0.33

10.38

35.01

Pseudosphaeroma sp.

11.36

7.86

9.62

44.63

Mytilus sp.

2.39

0.95

8.96

53.59

  

S-M

B

  

Groups S-M & B

Av. dissimilarity = 36.44

Boccardia polybranchia

1.11

39.00

17.02

17.02

Actinaria

5.08

0.03

11.36

28.38

Pseudosphaeroma sp.

11.36

48.18

9.97

38.35

Tanais dulongii

45.36

38.73

9.19

47.54

Monocorophium insidiosum

0.32

4.85

8.82

56.36

  

M

B

  

Groups M & B

Av. dissimilarity = 31.21

Pseudosphaeroma sp.

7.86

48.18

14.36

14.36

Boccardia polybranchia

7.10

39.00

13.78

28.13

Tanais dulongii

58.93

38.73

10.62

38.76

Monocorophium insidiosum

0.69

4.85

10.39

49.15

Actinaria

2.46

0.03

9.37

58.52

  

S-M

M

  

Spring

Groups S-M & M

Av. dissimilarity = 33.84

Pseudosphaeroma sp.

19.01

10.61

14.13

14.13

Orchestia gammarella

6.88

0.13

12.26

26.69

Actinaria

4.30

2.61

11.48

38.17

Boccardia polybranchia

1.17

7.46

10.58

48.76

Tanais dulongii

27.27

40.55

9.91

58.67

  

S-M

B

  

Groups S-M & B

Av. dissimilarity = 43.79

Boccardia polybranchia

1.17

76.03

24.20

24.20

Actinaria

4.30

0.00

11.34

35.54

Orchestia gammarella

6.88

0.05

10.70

46.23

Mytilus sp.

1.40

0.00

10.59

56.83

  

M

B

  

Groups M & B

Av. dissimilarity = 40.05

Boccardia polybranchia

7.46

76.03

24.12

24.12

Pseudosphaeroma sp.

10.61

13.25

12.27

36.38

Tanais dulongii

40.55

12.53

9.65

46.03

Nemertea

2.11

0.10

9.38

55.38

  

S-M

M

  

Summer

Groups S-M & M

Av. dissimilarity = 31.96

Orchestia gammarella

9.56

0.42

13.93

13.93

Boccardia polybranchia

1.51

14.92

13.58

27.52

Pseudosphaeroma sp.

17.82

4.99

13.26

40.77

Tanais dulongii

25.75

37.86

10.37

51.14

  

S - M

B

  

Groups S-M & B

Av. dissimilarity = 45.59

Boccardia polybranchia

1.51

50.95

20.30

20.30

Actinaria

3.51

0.00

12.30

32.60

Orchestia gammarella

9.56

0.05

11.57

44.16

Mytilus sp.

2.10

0.00

10.91

55.07

  

M

B

  

Groups M & B

Av. dissimilarity = 40.71

Pseudosphaeroma sp.

4.99

35.60

15.61

15.61

Boccardia polybranchia

14.92

50.95

14.95

30.56

Nemertea

3.00

0.08

11.12

41.68

Actinaria

1.80

0.00

9.16

51.49

  1. Lists were truncated whenever cumulative percentage reached 50%. Cordgrass–mussel-engineered habitat (S-M), mussel-engineered habitat (M), and barnacle-engineered habitat (B)