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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
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BMC Microbiology

ISSN: 1471-2180

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