Table 1.

Community Temperature Index temporal change (CTI_r) by factors and its levels

Factor	Level	n	CTIr mean (°C y−1)	CTIr SE	DF	t-value	p-value	AICc
Biological group	CHB benthos	7	0.01171	0.00991	1659	1181	0.2378	1841.87
	CSB benthos	19	0.02553	0.00188	1659	13,546	<0.0001
	Zooplankton	4	0.01641	0.00629	1659	2605	0.0093
	Demersal crustaceans	7	0.00464	0.00590	1659	0786	0.4315
	Cephalopods	10	−0.00792	0.00536	1659	−1476	0.1400
	Fish	18	0.03234	0.00299	1659	10,831	<0.0001
Habitat	Benthic / demersal	52	0.02061	0.00149	1661	13,820	<0.0001	1843.39
	Estuarine	3	0.07732	0.00624	1661	12,387	<0.0001
	Pelagic	10	0.01822	0.00487	1661	3741	0.0002
Region	Baltic Sea	4	0.02037	0.00526	1662	3872	0.0001	1744.97
	Mediterranean Sea	30	0.00512	0.00306	1662	1674	0.0943
	Northeast Atlantic	31	0.02854	0.00171	1662	16,668	<0.0001
Basin type	Non-enclosed	28	0.02482	0.00189	1663	13,069	<0.0001	1850.98
	Semi-enclosed seas	37	0.01876	0.00261	1663	7178	<0.0001

Test for significant differences in mean CTI_r from zero, according to linear mixed models. t- and p-values correspond to two-sided Wald test. Significant p-values (p < 0.05) are in bold.

HB hard bottom, SB soft bottom, SE standard error, AICc Akaike’s Information Criterion corrected, DF degrees of freedom.