Table 1 First-order terms calculated from logistic regression to denote functional response type across all predator treatments.

From: Behavioural traits of rainbow trout and brown trout may help explain their differing invasion success and impacts

Fish type

Novelty treatment

First-order term

Attack rate (a), p value

Handling time (h), p value

Maximum feeding rate (1/h, prey per 4 h)

Rainbow diploid

Novel

− 0.123***

13.995

0.100***

10.000

Brown diploid

Novel

− 0.118***

4.720***

0.063***

15.873

Brown triploid

Novel

− 0.122***

33.970***

0.092***

10.870

Rainbow diploid

Not novel

− 0.070***

4.223**

0.085***

11.765

Brown diploid

Not novel

− 0.106***

5.873**

0.045***

22.222

Brown triploid

Not novel

− 0.116***

40.915***

0.100***

10.000

  1. The significantly negative first-order term values indicate Type II functional responses. Attack rate (a), handling time (h), maximum feeding rate (1/h) parameter estimates were derived using Rogers’ random predator equation (Eq. 1). *** p < 0.001, **p < 0.01. See also Fig. 5.
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