Ecological Archives E085-092-A2

Glenn R. Almany. 2004. Priority effects in coral reef fish communities of the Great Barrier Reef. Ecology 85:2872–2880.

Appendix B. ANOVAs comparing recruit abundance among treatments on the last day of the experiment.

Table B1. ANOVAs comparing abundance of recruits on the last day of the experiment (day 50) for (A) all damselfish species excluding Neopomacentrus cyanomos and (B) N. cyanomos (Pomacentridae), (C) butterflyfish (Chaetodontidae), (D) surgeonfish (Acanthuridae), and (E) rabbitfish (Siganidae).

Source

df

SS

MS

F

P

Levene's
F test

P

 
 
 
 
 
 
 
 

A) Damselfish

 
 
 
 
 

0.86

0.563

      Block

  4

    165.50

       41.38

  2.03

0.153

 
 

      Piscivores

  1

  4440.20

   4440.20

    218.28

   <0.0001

 
 

      Damselfish

  1

    245.00

     245.00

12.04

0.005

 
 

      P × D

  1

    259.20

     259.20

12.74

0.004

 
 

      Error

12

    244.10

       20.34

 
 
 
 
 
 
 
 
 
 
 
 

B) N. cyanomos

 
 
 
 
 

1.72

0.195

      Block

  4

    377.50

       94.38

  1.88

0.179

 
 

      Piscivores

  1

      42.05

       42.05

  0.84

0.378

 
 

      Damselfish

  1

      22.05

       22.05

  0.44

0.520

 
 

      P × D

  1

      18.05

       18.05

  0.36

0.560

 
 

      Error

12

    602.10

       50.18

 
 
 
 
 
 
 
 
 
 
 
 

C) Butterflyfish

 
 
 
 
 

2.39

0.089

      Block

  4

        4.80

         1.20

  0.95

0.470

 
 

      Piscivores

  1

    162.45

     162.45

    128.25

   <0.0001

 
 

      Damselfish

  1

        4.05

         4.05

  3.20

0.099

 
 

      P × D

  1

        4.05

         4.05

  3.20

0.099

 
 

      Error

12

      15.20

         1.27

 
 
 
 
 
 
 
 
 
 
 
 

D) Surgeonfish

 
 
 
 
 
 
 

      Block

  4

      12.20

         3.05

  0.83

0.532

0.99

0.480

      Piscivores

  1

      84.05

       84.05

22.82

  0.0005

 
 

      Damselfish

  1

        2.45

         2.45

  0.67

0.431

 
 

      P × D

  1

        6.05

         6.05

  1.64

0.224

 
 

      Error

12

      44.20

         3.68

 
 
 
 
 
 
 
 
 
 
 
 

E) Rabbitfish

 
 
 
 
 

2.27

0.101

      Block

  4

      13.30

         3.33

  1.52

0.259

 
 

      Piscivores

  1

      24.20

       24.20

11.04

0.006

 
 

      Damselfish

  1

        5.00

         5.00

  2.28

0.157

 
 

      P × D

  1

        5.00

         5.00

  2.28

0.157

 
 

      Error

12

      26.30

         2.19

 
 
 
 

Levene's F test tests the assumption of equal variance among treatments.  P > 0.05 indicates this assumption has been met.

Response (X) was ln(X + 1) transformed to correct unequal variance.



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