Table 1 Results of the multivariate multiple regression analysis carried out on the meiofaunal abundance and biomass, richness of higher taxa, nematode species richness and meiofaunal higher taxa and nematode species composition between all investigated sites.

From: Seafloor heterogeneity influences the biodiversity–ecosystem functioning relationships in the deep sea

 

Variable

F

P

% Var

% Cum

Meiofaunal Abundance and Biomass

Depth

55.29

***

52

52

 

Longitude

7.32

*

6

58

 

Phytopigments

5.04

*

4

62

 

Biopolymeric C

2.42

ns

2

63

 

Latitude

1.73

ns

1

65

 

Mud%

0.84

ns

1

65

Higher Taxa Richness

Depth

14.72

***

22

22

 

Water Content

14.72

***

17

40

 

Longitude

0.93

ns

1

41

 

Biopolymeric C

0.69

ns

1

41

 

Mud%

0.17

ns

0

42

Nematode Species Richness

Phytopigments

2.41

ns

4

4

 

Depth

1.55

ns

3

7

 

Mud%

1.48

ns

3

10

 

Water Content

0.65

ns

1

11

 

Biopolymeric C

0.39

ns

1

12

Meiofaunal Higher Taxa Composition

Depth

21.94

***

30

30

 

Longitude

7.29

***

9

38

 

Phytopigments

3.69

**

4

43

 

Water Content

2.57

*

3

46

 

Sand%

1.24

ns

1

47

 

Biopolymeric C

1.64

ns

2

49

Nematode Species Composition

Water Content

1.89

**

4

4

 

Sand%

1.91

**

3

7

 

Phytopigments

1.68

*

3

10

 

Depth

1.30

ns

2

12

 

Longitude

1.14

ns

2

14

  1. % Var = percentage of explained variance (***p < 0.001; **p < 0.01; *p < 0.05; ns not significant).
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