Body size, swimming speed, or thermal sensitivity? Predator-imposed selection on amphibian larvae

Table 1 Influence of predator size and water temperature variation on selection differentials of prey traits

Selection differential	Effect of predator size		Effect of temperature variation
Selection differential	Pseudo-F _2,25	P	Pseudo-F _2,25	P
S _Umax	1.11	0.30	0.75	0.33
S _TL	0.35	0.56	3.49	0.08
S _Urel	0.94	0.35	0.43	0.51
S _Q10	0.08	0.77	0.20	0.66
C _Umax	0.53	0.48	0.02	0.88
C_TL	0.92	0.35	0.16	0.70
C _Urel	<0.01	0.96	0.15	0.70
C _Q10	<0.01	0.98	0.20	0.90
C_Umax,TL	0.35	0.56	1.47	0.24
C_Umax,Q10	2.96	0.09	0.04	0.85

Results were obtained using a permutation multiple regression model. U _max, maximum swimming velocity, TL total length, U _rel size-corrected U _max, Q ₁₀, thermal sensitivity of U _max, S _i linear selection differential, C _i univariate nonlinear selection differential, C _i,j bivariate nonlinear selection differential

ISSN: 2730-7182