Table 7 ANOVA results for effect of B. japonicus egg/hatchling population (native-range vs. invasive-range) on predation by native-range toad (B. japonicus) tadpoles and native-range frog (R. ornativentris) tadpoles.

From: A biological invasion reduces rates of cannibalism by Japanese toad tadpoles

Fixed effect

Chi-square

df

p

B. japonicus tadpole

 B. japonicus egg/hatchling population

20.288

1

 < 0.0001

 Time

17.189

1

 < 0.0001

 Water temperature

1.626

1

0.2022

R. ornativentris tadpole

 B. japonicus egg/hatchling population

10.619

1

0.0011

 Time

3.360

1

0.0668

 Water temperature

0.3652

1

0.5456

  1. B. japonicus analyses were conducted using mean water temperature = 19.0 °C. R. ornativentris analyses were conducted using mean water temperature = 16.8 °C.
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