Ecological Archives E089-175-A3

Andrew Olaf Shelton. 2008. Skewed sex ratios, pollen limitation, and reproductive failure in the dioecious seagrass Phyllospadix. Ecology 89:3020–3029.

Appendix C. S:O ratio as a function of distance from (1) MB male and (2) the CR male cluster.

1. S:O ratio as a function of distance from MB male. Adjusted R2 = 0.11.

ANOVA

Source

df

SSE

MS

F ratio

Prob > F


Model

5

0.23

0.045

8.20

<0.0001

Error

286

1.58

0.006

Total

291

1.80

 

Effect Tests

Source

df

SSE

F ratio

Prob > F


Year

2

0.027

2.45

0.089

Distance (m)

1

0.087

15.82

<0.001

Year × distance (m)

2

0.006

0.52

0.596

 

2. S:O ratio as a function of distance from the CR male cluster.  Adjusted R2 = 0.29

Source

df

SSE

MS

F ratio

Prob > F


Model

10

1.91

0.191

5.33

<0.0001

Error

113

4.05

0.036

Total

123

5.96

 

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