Table 1 Explaining variability in shark home range by PERMANOVA tests.

From: Recent expansion of marine protected areas matches with home range of grey reef sharks

Home range metric

Season

 

DF

Sum of squares

Mean square between

Iterations

P (perm.)

UD95

Year-long

Sex

1

8.752

8.752

5000

0.003**

Maturity stage

1

7.363

7.363

4075

0.024*

Sex:Mat. stage

1

1.890

1.890

539

0.158

Residuals

114

137.672

1.208

  

Mating season (July–September)

Sex

1

10.622

10.622

5000

0.003**

Maturity stage

1

11.487

11.487

5000

0.004**

Sex:Mat. stage

1

7.510

7.510

5000

0.014*

Residuals

114

156.303

1.371

  

October–June

Sex

1

2.115

2.115

1343

0.070

Maturity stage

1

1.196

1.196

709

0.124

Sex:Mat. stage

1

0.060

0.060

51

1.000

Residuals

114

70.555

0.619

  

UD100

Year-long

Sex

1

12.646

12.646

5000

0.001***

Maturity stage

1

23.930

23.930

5000

0.000***

Sex:Mat. stage

1

0.990

0.990

368

0.215

Residuals

114

168.753

1.480

  

Mating season (July–September)

Sex

1

17.034

17.034

5000

0.000***

Maturity stage

1

11.994

11.994

5000

0.003**

Sex:Mat. stage

1

10.636

10.636

5000

0.007**

Residuals

114

162.837

1.428

  

October–June

Sex

1

2.201

2.201

51

0.882

Maturity stage

1

8.998

8.998

5000

0.003**

Sex:Mat. stage

1

3.812

3.812

2334

0.041*

Residuals

114

127.697

1.120

  
  1. Asterisks indicate p-value thresholds (***: < 0.001; **: < 0.01; *: < 0.05).
  2. Two metrics of home range (UD95 and UD100) were compared between sex (male, female) and maturity stage (adult, juvenile) at all seasons, during the mating season, and outside the mating season.