Annex Table 5.

Pearson's correlation coefficient for metrics in MES (before final selection), metrics in bold are finally selected. Values in bold indicate a correlation coefficient >0.7.

	Metrics MES
	Atroph_INSV_biom	WQgen_INTOL_biom	WQO2_O2INTOL_biom	WQgen_INTOL_dens	HTOL_HTOL_nsp	WQgen_TOL_nsp	WQgen_INTOL_perc_biom	HTOL_HINTOL_perc_dens	WQgen_INTOL_perc_dens	WQgen_TOL_perc_dens	WQO2_O2INTOL_dens	WQgen_INTOL_perc_nsp	WQO2_O2INTOL_perc_nsp	Atroph_OMNI_nsp	Atroph_OMNI_perc_dens	Atroph_OMNI_perc_nsp
Atroph_INSV_biom	1.00	0.92	0.77	0.64	0.28	0.10	0.38	0.42	0.41	−0.23	0.46	0.38	0.37	−0.02	−0.28	−0.18
WQgen_INTOL_biom	0.92	1.00	0.77	0.65	0.22	0.07	0.52	0.44	0.50	−0.23	0.46	0.42	0.37	−0.05	−0.26	−0.18
WQO2_O2INTOL_biom	0.77	0.77	1.00	0.76	−0.04	−0.17	0.54	0.56	0.58	−0.36	0.62	0.53	0.51	−0.20	−0.32	−0.26
WQgen_INTOL_dens	0.64	0.65	0.76	1.00	0.00	−0.10	0.50	0.56	0.67	−0.30	0.60	0.52	0.46	−0.16	−0.28	−0.27
HTOL_HTOL_nsp	0.28	0.22	−0.04	0.00	1.00	0.89	−0.15	−0.20	−0.18	0.31	−0.20	−0.23	−0.25	0.78	0.26	0.34
WQgen_TOL_nsp	0.10	0.07	−0.17	−0.10	0.89	1.00	−0.29	−0.32	−0.26	0.52	−0.34	−0.34	−0.40	0.83	0.43	0.49
WQgen_INTOL_perc_biom	0.38	0.52	0.54	0.50	−0.15	−0.29	1.00	0.75	0.79	−0.41	0.79	0.76	0.73	−0.36	−0.41	−0.38
HTOL_HINTOL_perc_dens	0.42	0.44	0.56	0.56	−0.20	−0.32	0.75	1.00	0.75	−0.46	0.91	0.70	0.79	−0.41	−0.53	−0.51
WQgen_INTOL_perc_dens	0.41	0.50	0.58	0.67	−0.18	−0.26	0.79	0.75	1.00	−0.40	0.80	0.79	0.62	−0.38	−0.42	−0.43
WQgen_TOL_perc_dens	−0.23	−0.23	−0.36	−0.30	0.31	0.52	−0.41	−0.46	−0.40	1.00	−0.51	−0.37	−0.45	0.41	0.69	0.51
WQO2_O2INTOL_dens	0.46	0.46	0.62	0.60	−0.20	−0.34	0.79	0.91	0.80	−0.51	1.00	0.77	0.83	−0.42	−0.52	−0.50
WQgen_INTOL_perc_nsp	0.38	0.42	0.53	0.52	−0.23	−0.34	0.76	0.70	0.79	−0.37	0.77	1.00	0.84	−0.40	−0.41	-0.49
WQO2_O2INTOL_perc_nsp	0.37	0.37	0.51	0.46	−0.25	−0.40	0.73	0.79	0.62	−0.45	0.83	0.84	1.00	−0.43	−0.45	−0.52
Atroph_OMNI_nsp	−0.02	−0.05	−0.20	−0.16	0.78	0.83	−0.36	−0.41	−0.38	0.41	−0.42	−0.40	−0.43	1.00	0.57	0.74
Atroph_OMNI_perc_dens	−0.28	−0.26	−0.32	−0.28	0.26	0.43	−0.41	−0.53	−0.42	0.69	−0.52	−0.41	−0.45	0.57	1.00	0.75
Atroph_OMNI_perc_nsp	−0.18	−0.18	−0.26	−0.27	0.34	0.49	−0.38	−0.51	−0.43	0.51	−0.50	−0.49	−0.52	0.74	0.75	1.00