. 2013 Apr 18;7(8):1531–1543. doi: 10.1038/ismej.2013.53

Table 1. Separate statistical analysis (CCA, CCA per groups and PERMANOVA) to estimate the contribution (from R ² values) of five environmental factors in the ARISA fingerprinting variance.

Variable	CCA		CCA (separate temperature groups)						PERMANOVA
			COLD		TEMPERATE		WARM
	R²	Sign	R²	Sign	R²	Sign	R²	Sign	Grouped factors	R²	Sign
Temperature (°C)	0.51	***	0.01		0.12	**	0.21	***	2–9.5, 9.5–17, 17–30	0.36	***
Z (m)	0.18	***	0.02		0.41	***	0.13	***	0–25, 25–75, 75–180, 180–250	0.08	***
Salinity	0.11	***	0.06	**	0.10	*	0.25	***	32, 33, 34, 35, 36, 37, 38, 39	0.07	***
Zmax (m)	0.06	***	0.01		0.06		0.08	**	0–200, 200–1000, 1000–6000	0.02	*
Chlorophyll (μg l⁻¹)	0.05	*	0.01		0.04		0.15	***	0–0.5, 0.5–1.5, 1.5–4	0.02	*
Total	0.91		0.06		0.63		0.82			0.55

Abbreviations: ARISA, automated ribosomal intergenic spacer analysis; CCA, Constrained Correspondence Analysis; PERMANOVA, permutational multivariate analysis of variance; Z, sampling depth; Zmax, bottom depth.

Significance codes: ***<0.001; **0.001–0.01; *0.01–0.05.

Bold numbers represent the highest R² of the particular analysis.

Table 1. Separate statistical analysis (CCA, CCA per groups and PERMANOVA) to estimate the contribution (from R 2 values) of five environmental factors in the ARISA fingerprinting variance.

Table 1. Separate statistical analysis (CCA, CCA per groups and PERMANOVA) to estimate the contribution (from R ² values) of five environmental factors in the ARISA fingerprinting variance.