Response of Spatial Patterns of Denitrifying Bacteria Communities to Water Properties in the Stream Inlets at Dianchi Lake, China

Table 4

Eigen values, values, and values obtained from the partial RDAs testing the influence of the significant parameters on the denitrifying bacterial community composition.

Samples	Environmental variables	Eigen value	% variation explains solely	value	value
nirK		0.21	21	2.37	0.002
	TN	0.19	19	1.32	0.190
	pH	0.10	10	1.12	0.398
	All the above together	0.80
nirS	pH	0.10	10	1.20	0.298
	Temperature	0.11	11	1.20	0.360
	DO	0.08	8	1.10	0.388
	All the above together	0.77
nosZ	Temperature	0.17	17	1.83	0.048
		0.13	13	1.17	0.060
	TP	0.08	8	1.31	0.278
	All the above together	0.83

Only keeping the first three significant parameters in models of RDAs based on Monte Carlo permutation (). Sum of all Eigen values for both partial RDAs was 1.000.