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Table 1 The effects of infection and kairomone treatments on Daphnia magna life history and morphological traits (two-way ANOVAs)

From: Fighting parasites and predators: How to deal with multiple threats?

Dependent variable

Clutch

Infection (df = 1)

Kairomone (df = 2)

Infection × Kairomone (df = 2)

F

p

F

p

F

p

Age at maturity

 

7.7

0.006

14.3

< 0.001 (F, T)

0.01

0.993

Life span

 

124.1

< 0.001

3

0.053

0.4

0.657

Number of offspring

1

17.6

< 0.001

0.9

0.425

0.3

0.766

 

2

38.3

< 0.001

1.9

0.156

3.5

0.034

 

3

101

< 0.001

3.7

0.029

0.04

0.961

Body length

1

63.6

< 0.001

19

< 0.001 (F, T)

4.2

0.017

 

2

124.8

< 0.001

18.7

< 0.001 (F, T)

1.4

0.261

 

3

130

< 0.001

17.7

< 0.001 (F, T)

0.3

0.706

Offspring

1

14.7

< 0.001

12.3

< 0.001 (F, T)

0.9

0.411

body length

2

1,7

0.197

11.8

< 0.001 (F)

1.2

0.307

 

3

70.9

< 0.001

18.8

< 0.001 (F)

3.7

0.030

  1. Significant values are given in bold. The exact occurrence of significant differences between the kairomone treatments and the control are given as “F” or “T” for the fish and Triops treatment, respectively.