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Table 2 Behavioural responses of bank voles foraging in a risk-uniform landscape.

From: Foraging under uniform risk from different types of predators

Variable

Intake (g)

Nr of Trays

Conc. Of Effort

Nr. of Bouts

Latency

Factor

df

F

p

df

F

p

df

F

p

df

F

p

df

F

p

Weasel Odour

1,24

8,20

0.008

1,23

0,12

0.73

1,19

2,800

0.11

1,6

14,07

0.009

1,8

7,92

0.022

Av. Pred, Risk

1,30

1,40

0.001

1,31

0,19

0.008

1,32

5,500

0.026

1,10

7,180

0.022

1,11

6,11

0.031

Season

2,9

1,25

0.332

2,10

0.83

7,90

2,10

1,400

0.28

2,8

1,740

0.239

2,50

0,004

0.95

Avian Pred. * Seas.

         

2,10

8,930

0.002

   

Weasel. Od. * Seas.

         

2,6

20,41

0.006

   
  1. Treatments were weasel odour (present or absent) and avian predation risk (ground cover present or absent) in an ongoing season (three months). The most parsimonious linear mixed models are shown. Non-significant factor interactions were removed.