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Table 2 PERMANOVAs pseudo-F and P values calculated using the Euclidean distance for environmental variables and Bray–Curtis dissimilarity matrices for species and biological traits

From: A functional and morphological approach to evaluate the vertical migration of estuarine intertidal nematodes during a tidal cycle

 

Time

Strata

Si(Ti)

Ti × St

St × Si(Ti)

F

P(perm)

F

P(perm)

F

P(perm)

F

P(perm)

F

P(perm)

Temperature (°C)

35.887

0.006

3.243

0.004

81.076

0.001

4.594

0.001

7.487

0.001

Water content (%)

1.647

n/s

7.470

0.001

2.437

0.012

1.485

n/s

1.215

n/s

Chlorophyll-a (μg g−1)

9.345

0.007

10.021

0.001

7.279

0.001

1.626

0.050

0.779

n/s

Phaeopigments (μg g−1)

1.373

n/s

8.369

0.001

2.279

0.021

1.240

n/s

0.619

n/s

Nematode community

1.229

n/s

29.565

0.001

3.224

0.001

1.249

0.042

1.187

0.011

Biological traits matrix

1.243

n/s

21.176

0.001

2.439

0.001

1.190

0.046

1.275

0.001

T. longicaudata

1.222

n/s

26.795

0.001

2.191

0.006

1.439

0.026

1.109

n/s

S. parasitifera

1.256

n/s

25.604

0.001

1.717

0.014

1.201

n/s

1.086

n/s

M. chandlleri

1.220

n/s

17.875

0.001

1.716

0.036

1.198

n/s

0.865

n/s

Gomphionema sp.

0.625

n/s

6.960

0.001

2.743

0.001

0.830

n/s

1.068

n/s

V. glabra

0.363

n/s

9.985

0.001

2.615

0.002

1.203

n/s

1.023

n/s

Eurystomina sp.

1.744

n/s

7.650

0.001

0.928

n/s

0.884

n/s

1.082

n/s

D. setosum

1.740

n/s

12.666

0.001

2.023

0.010

0.950

n/s

1.134

n/s

S. pulchra

1.545

n/s

22.345

0.001

3.497

0.001

1.633

0.004

1.202

0.049

  1. Degrees of freedom of environmental variables: 3, 9, 8, 27, 72, 240 referent to the factors time, stratum, Si(Ti), Ti × St, St × Si(Ti), and error, respectively; n = 3. Degrees of freedom of species matrix: 3, 9, 8, 27, 72, 360 referent to the factors time, stratum, Si(Ti), Ti × St, St × Si(Ti), and error, respectively; n = 4