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Table 4 Correlation coefficients with their significances between the principal components and bacterial and environmental parameters

From: The role of environmental factors for the composition of microbial communities of saline lakes in the Novosibirsk region (Russia)

Parameter Principal components
PC1 PC2 PC3
Coeff. p Coeff. p Coeff. p
рН −0.6203 0.0037 0.3054 0.2071 0.4552 0.0494
Eh −0.0233 0.9257 0.2626 0.2821 −0.0251 0.9200
Cl 0.9375 <0.0001 0.1491 0.5481 0.1063 0.6695
SO4 2− 0.7253 0.0002 −0.4454 0.0554 −0.0885 0.7225
NO3 0.6404 0.0024 0.5211 0.0208 0.2703 0.2676
НCO3 −0.2834 0.2438 0.3284 0.1725 −0.3730 0.1170
Na+ 0.9676 <0.0001 −0.1339 0.5901 −0.0656 0.7927
K+ 0.6996 0.0005 0.3325 0.1668 0.4687 0.0420
Mg2+ 0.9016 <0.0001 −0.2295 0.3499 0.0348 0.8892
Ca2+ 0.1807 0.4648 0.4641 0.0444 0.8025 <0.0001
Mg/Na −0.4240 0.0703 −0.1999 0.4176 0.0644 0.7963
Salinity 0.9894 <0.0001 −0.0647 0.7956 0.0058 0.9814
LgA 0.2673 0.2731 0.6482 0.0020 −0.5615 0.0111
LgB −0.1333 0.5916 0.8897 <0.0001 −0.1066 0.6688
LgAlg 0.3624 0.1288 −0.1809 0.4644 −0.6440 0.0022
LgS 0.1795 0.4680 0.8262 0.0000 −0.4595 0.0470
  1. For each parameter were calculated the correlation coefficient (Coeff.) and statistical significance (p); LgA-logarithm of the number of Archaea, LgB-logarithm of the number of Bacteria, LgAlg-logarithm of the number of Algae and Cyanobacteria, LgS-logarithm of the total population