TABLE 3.

Results of the selected GLMMs testing for the effects of temperature, N:P supply ratios, and nitrate concentrations on interaction coefficient α, POC/PON, PON/POP, 16:1/16:0, EPA/DHA and the ratios of brassicasterol/epi-brassicasterol to (brassicasterol/epi-brassicasterol + dinosterol) [B/(B + D)] in bicultures.

Variable	Factor	Coefficient	SE	t	p	n
α	Intercept	2.662	31.767	0.084	0.933	72
	T	–0.343	1.590	–0.216	0.830
	Nut. Conc.	–0.013	0.005	–2.726	0.008
	N:P	0.494	0.348	1.421	0.160
POC/PON	Intercept	1.112	0.061	18.168	<0.001	79
	T	<0.001	0.003	–0.078	0.938
	Nut. Conc.	<0.001	<0.001	–7.976	<0.001
	N:P	–0.001	0.001	–1.521	0.132
PON/POP	Intercept	1.248	0.138	9.062	<0.001	64
	T	0.002	0.007	0.224	0.823
	Nut. Conc.	<0.001	<0.001	–5.890	<0.001
	N:P	0.008	0.002	4.724	<0.001
16:1/16:0	Intercept	0.335	0.120	2.783	0.007	62
	T	–0.010	0.006	–1.656	0.103
	Nut. Conc.	<0.001	<0.001	4.199	<0.001
	N:P	–0.002	0.001	–1.879	0.065
EPA/DHA	Intercept	5.231	2.298	2.276	0.027	62
	T	0.233	0.113	2.071	0.043
	Nut. Conc.	0.003	<0.001	7.445	<0.001
	N:P	–0.070	0.025	–2.767	0.008
B/(B + D)	Intercept	0.071	0.078	0.908	0.367	79
	T	–0.007	0.004	–1.640	0.105
	Nut. Conc.	<0.001	<0.001	–1.115	0.268
	N:P	<0.001	0.002	–0.008	0.993
	T × Nut. Conc.	<0.001	<0.001	2.090	0.040
	T × N:P	<0.001	<0.001	–1.164	0.248
	Nut. Conc. × N:P	<0.001	<0.001	1.191	0.238

Significant p-values are shown in bold. T, temperature; N:P, N:P supply ratios; Nut. Conc., nitrate concentration.