Table 2.

Statistical results of predation parameters.

Model	Variable	d.f.	Estimate	Std. Error	Z value	Pr (>|z|)
Generalized linear model (Poisson)	Strikes
	Intercept	31	3.310	0.0478	69.266	<0.001***
	Control vs. pCO2	31	−0.333	0.074	−4.501	<0.001***
Beta regression model	Catches %
	Intercept	31	−0.013	0.081	−0.161	0.872
	Control vs. pCO2	31	−0.039	0.114	−0.342	0.732
Beta regression model	Ingestions %
	Intercept	31	0.995	0.274	3.637	0.00276***
	Control vs. pCO2	31	−0.199	0.367	−0.516	0.605

Generalized liner model for each parameter (intercept, control and elevated pCO₂) with specified distributions. D.f.: Degree of freedom of the residuals, S.E.: Standard Error, Pr (>|z|): P values of z statistics, with significance levels p ≤ 0.05*; p ≤ 0.01**, p ≤ 0.001.