Table 1 Pearson correlations between bacterial gene copies, diversity and environmental factors.

From: pH is the primary determinant of the bacterial community structure in agricultural soils impacted by polycyclic aromatic hydrocarbon pollution

 

pH

TC

TN

C/N

TP

TK

NH4+

NO3−

PAH

16S rRNA gene

0.035

0.653**

0.698**

0.266

0.289

−0.164

0.139

0.716**

0.327

GP PAH-RHDα gene

0.344

0.279

0.260

0.122

0.132

−0.201

−0.056

0.137

0.409*

Observed species

0.753**

−0.043

−0.275

0.384*

−0.431*

−0.493**

−0.652**

−0.359

0.016

Chao1

0.748**

−0.034

−0.241

0.338

−0.511**

−0.480**

−0.639**

−0.309

0.037

Phylogenetic diversity

0.697**

0.062

−0.164

0.449*

−0.410*

−0.580**

−0.654**

−0.200

0.040

  1. TC, total carbon; TN, total nitrogen; C/N, ratio of total carbon to nitrogen; TP, total phosphorus; TK: total potassium.
  2. * and ** indicate significance at the level of p < 0.05 and p < 0.01, respectively.
Back to article page