TABLE 3.

Simple and partial Mantel tests for the correlations between spatial/environmental factors and ciliate communities revealed by the rRNA gene transcript and morphology datasets for the year 2014.

Mantel test	2014_V4		2014_morphology		Partial Mantel test control for	2014_v4		2014_Morphology
	R	P	R	P		R	P	R	P
Depth	0.585	< 0.001	0.41	< 0.001	Geo_distance	0.593	< 0.001	0.384	< 0.001
					Environment	0.485	< 0.001	0.296	< 0.001
Geo_distance	0.426	< 0.001	0.086	0.242	Depth	0.37	0.001	0.056	0.3
					Environment	0.395	< 0.001	0.01	0.422
Environment	0.380	< 0.001	0.241	0.039	Depth	0.004	0.434	–0.0001	0.457
					Geo_distance	0.414	< 0.001	0.261	0.029
Pressure	0.585	< 0.001	0.41	< 0.001	Depth	–0.147	0.941	–0.19	0.965
Temperature	0.385	0.006	0.345	0.045	Depth	0.258	0.014	0.134	0.161
Salinity	0.357	0.004	0.007	0.393	Depth	0.216	0.041	–0.18	0.939
Turbidity	0.033	0.349	–0.072	0.646	Depth	0.053	0.31	–0.113	0.769
Chl a	0.096	0.203	0.013	0.364	Depth	0.052	0.283	–0.081	0.71
Bacteria	0.537	< 0.001	0.426	0.007	Depth	0.267	0.004	0.124	0.143
DIN	0.410	0.003	0.425	0.015	Depth	0.104	0.198	0.247	0.051
NO2	–0.017	0.524	–0.173	0.963	Depth	0.119	0.097	–0.097	0.851
NO3	0.412	0.003	0.425	0.017	Depth	0.114	0.169	0.23	0.063
NH4	–0.04	0.656	0.079	0.192	Depth	–0.048	0.699	0.078	0.176
PO4	0.410	0.001	0.368	0.025	Depth	0.197	0.048	0.199	0.072

Numbers of samples for statistical analyses are 22. Numbers in bold indicate statistically significant results.