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Table 3 Two-way PERMANOVA model and pair-wise tests based on Bray–Curtis and Jaccard matrices within habitats among seasons and year (Year and Season interaction; Yr x Se)

From: Composition, uniqueness and connectivity across tropical coastal lagoon habitats in the Red Sea

Source

Df

MS

Pseudo-F

P(perm)

MS

Pseudo-F

P(perm)

  

Bray–Curtis

  

Jaccard

  

M1

 Yr

1

14,075

6.5403

0.001

12,833

4.884

0.001

 Se

1

7999.3

3.7171

0.001

7602.5

2.8934

0.001

 Yr x Se

1

3967.2

1.8434

0.025

4439.2

1.6895

0.012

 Res

12

2152

  

2627.6

  

M2

 Yr

1

8802.9

2.4787

0.007

6405

1.6328

0.041

 Se

1

3050.7

0.85902

0.608

4207.3

1.0726

0.36

 Yr x Se

1

3968.6

1.1175

0.362

2779.8

0.70866

0.859

 Res

12

3551.4

  

3922.6

  

S1

 Yr

1

6362.4

2.71

0.002

5844.2

1.9678

0.002

 Se

1

3610.6

1.5379

0.086

5086.2

1.7125

0.009

 Yr x Se

1

4735.3

2.0169

0.008

4624.4

1.5571

0.026

 Res

12

2347.8

  

2970

  

S2

 Yr

1

5513.2

1.7404

0.038

4583.2

1.3682

0.089

 Se

1

3369.6

1.0637

0.376

4300.4

1.2838

0.149

 Yr x Se

1

3296.2

1.0405

0.36

4002.9

1.195

0.196

 Res

12

3167.9

  

3349.8

  

 Unv.

 Yr

1

7397.4

2.7142

0.001

5802.3

1.831

0.003

 Se

1

8791.8

3.2258

0.001

8686.2

2.7411

0.001

 Yr x Se

1

4248.6

1.5589

0.039

4144

1.3077

0.129

 Res

12

2725.5

  

3168.9

  

Pair-wise tests

 Term ‘Yr x Se’ for pairs of levels of factor ‘Year’

       

 Within level ‘Su’ of factor ‘Season’

       

M1

 

Groups

t

P(perm)

 

t

P(perm)

  

2014, 2015

2.2928

0.026

 

2.0907

0.024

Within level ‘W’ of factor ‘Season’

       

M1

 

2014, 2015

1.7421

0.028

 

1.5051

0.038

S1

 

2014, 2015

2.0553

0.023

 

1.5675

0.022

Term ‘Yr x Se’ for pairs of levels of factor ‘Season’

       

Within level ‘2014′ of factor ‘Year’

       

M1

 

Su, W

2.1788

0.03

 

1.9213

0.029

S1

 

Su, W

1.2833

0.031

 

1.4205

0.037

Within level ‘2015’ of factor ‘Year’

       

S1

 

Su, W

1.3824

0.029

   
  1. M1 and M2, mangrove; S1 and S2, seagrass; and unvegetated area (Unv)