Seasonal and Spatial Variability of Virioplanktonic Abundance in Haihe River, China

Table 2

Correlation matrix (𝑟) of biotic and abiotic parameters in the Haihe River.

	Temp	TSS	TN	Nitrate	Chl a	TP	TDP	Rainfall	TOC	Salinity	DB	VB	TV	TB
Whole river
DB	−0.304	0.262	−0.156	0.191	0.025	0.005	−0.148	−0.175	0.362	0.530	1.000	0.146	0.105	0.387*
VB	0.323	0.106	0.164	−0.214	0.514**	0.171	−0.004	0.409*	−0.117	0.126	0.146	1.000	0.575**	0.946**
TV	0.169	−0.085	0.177	0.025	0.440**	0.189	0.064	0.220	−0.227	−0.177	0.105	0.575**	1.000	0.568**
TB	0.285	0.116	0.033	−0.186	0.489**	0.178	0.032	0.380*	−0.049	0.232	0.387*	0.946**	0.568**	1.000
Urban areas
DB	−0.595	−0.671	−0.476	0.619	−0.119	0.429	0.381	−0.927**	0.381	0.591	1.000	−0.190	0.524	0.286
VB	0.167	0.299	0.119	0.024	0.619	0.167	−0.048	0.293	−0.214	−0.206	−0.190	1.000	0.619	0.833*
TV	−0.500	−0.455	−0.381	0.619	0.286	0.286	0.071	−0.488	−0.190	−0.027	0.524	0.619	1.000	0.881**
TB	−0.095	−0.096	−0.333	0.262	0.643	0.429	0.190	−0.146	−0.095	−0.014	0.286	0.833*	0.881**	1.000
Rural areas
DB	−0.294	0.322	−0.423	0.391	0.019	−0.362	−0.524*	−0.124	0.444	0.131	1.000	−0.090	−0.086	0.180
VB	0.680**	0.151	0.127	−0.494*	0.587**	0.202	0.229	0.760**	−0.203	−0.477*	−0.090	1.000	0.651**	0.937**
TV	0.461*	−0.201	0.191	−0.234	0.432	0.088	0.103	0.543*	−0.126	−0.602**	−0.086	0.651**	1.000	0.633**
TB	0.618**	0.137	−0.104	−0.357	0.594**	0.043	0.068	0.721**	−0.144	−0.498*	0.180	0.937**	0.633**	1.000
Estuarial areas
DB	−0.071	0.786*	0.667	−0.238	0.048	0.333	0.228	0.439	0.119	0.667	1.000	0.286	0.548	0.714
VB	0.024	0.286	0.571	0.262	0.690	0.143	−0.575	−0.049	0.000	0.357	0.286	1.000	0.690	0.833*
TV	0.190	0.286	0.762*	0.024	0.667	0.619	−0.204	0.390	−0.167	0.690	0.548	0.690	1.000	0.833*
TB	0.048	0.643	0.810*	−0.095	0.619	0.357	−0.228	0.293	0.000	0.690	0.714*	0.833*	0.833*	1.000

^∗𝑃<0.05; **𝑃<0.01.
DB: dead bacteria; VB: viable bacteria; TV: total viral abundance; TB: total bacteria abundance.