Ecological Archives E085-092-A1

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

Appendix A. ANOVAs comparing the number of new settlers observed on each treatment during the experiment.

Table A1. ANOVAs comparing the number of new settlers observed on each treatment during the 50-d experiment 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

 
 
 
 
 

1.30

0.330

      Block

  4

  46.30

  11.58

  0.33

0.853

 
 

      Piscivores

  1

     5379.20

      5379.20

    153.22

   <0.0001

 
 

      Damselfish

  1

561.80

561.80

16.00

0.002

 
 

      P × D

  1

423.20

423.20

12.05

0.005

 
 

      Error

12

421.30

  35.11

 
 
 
 
 
 
 
 
 
 
 
 

B) N. cyanomos

 
 
 
 
 

2.20

0.110

      Block

  4

 11.38

   2.85

 2.82

0.073

 
 

      Piscivores

  1

   2.03

   2.03

 2.02

0.181

 
 

      Damselfish

  1

   0.78

   0.78

 0.77

0.396

 
 

      P × D

  1

     0.003

     0.003

   0.003

0.955

 
 

      Error

12

 12.07

   1.01

 
 
 
 
 
 
 
 
 
 
 
 

C) Butterflyfish

 
 
 
 
 

1.00

0.475

      Block

  4

  0.20

    0.05

 0.56

0.698

 
 

      Piscivores

  1

21.69

  21.69

    236.02

<0.0001

 
 

      Damselfish

  1

  0.05

    0.05

 0.59

0.457

 
 

      P × D

  1

  0.05

    0.05

 0.59

0.457

 
 

      Error

12

  1.10

    0.09

 
 
 
 
 
 
 
 
 
 
 
 

D) Surgeonfish

 
 
 
 
 
 
 

      Block

  4

 31.50

    7.88

  1.17

0.373

0.72

0.657

      Piscivores

  1

      168.20

168.20

24.95

  0.0003

 
 

      Damselfish

  1

  0.20

    0.20

  0.03

0.866

 
 

      P × D

  1

  3.20

    3.20

  0.47

0.504

 
 

      Error

12

80.90

    6.74

 
 
 
 
 
 
 
 
 
 
 
 

E) Rabbitfish

 
 
 
 
 

2.15

0.117

      Block

  4

  7.20

    1.80

  0.66

0.632

 
 

      Piscivores

  1

76.05

  76.05

27.82

  0.0002

 
 

      Damselfish

  1

14.45

  14.45

  5.29

0.040

 
 

      P × D

  1

14.45

  14.45

  5.29

0.040

 
 

      Error

12

32.80

    2.73

 
 
 
 

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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