. 2019 Dec 17;54(2):955–964. doi: 10.1021/acs.est.9b04089

Table 1. Akaike Information Criterion (AIC) model selection results for model terms in 2007–2010 Mesocosm Experiments^a.

treatment	model term	AIC	ΔAIC
Cu 0–5.1 CCU	CCU × instar size	234.64	0
	CCU, instar size	244.03	9.39
	instar size	250.36	15.72
	CCU	280.45	45.81
Cu + Zn 0–7.0 CCU	CCU, instar size	247.88	0
	CCU × instar size	249.05	1.17
	instar size	252.96	5.08
	CCU	265.45	16.40
Cu + Zn + Cd 0–12.9 CCU	CCU × instar size	312.89	0
	CCU, instar size	319.18	6.29
	instar size	346.31	33.42
	CCU	368.07	55.18

ANCOVA was used to test for the responses of Baetis spp. abundances given the model predictors of metals concentration(s) (CCU), instar size, and the CCU × instar size interaction.

Table 1. Akaike Information Criterion (AIC) model selection results for model terms in 2007–2010 Mesocosm Experimentsa.

Table 1. Akaike Information Criterion (AIC) model selection results for model terms in 2007–2010 Mesocosm Experiments^a.