Table 2 Correlation analysis of α-diversity indices and amoA genes for ammonium-oxidizing microorganism and soil physicochemical properties.

From: Fertilization altered co-occurrence patterns and microbial assembly process of ammonia-oxidizing microorganisms

  

pH

NN

AN

AP

AK

TN

OM

AOA

amoA gene copy numbers

0.893**

 − 0.717**

 − 0.444

 − 0.712**

0.383

0.073

 − 0.366

ACE

 − 0.405

0.514

 − 0.109

0.348

0.322

 − 0.320

0.326

Chao 1

 − 0.319

0.553

 − 0.125

0.449

0.216

 − 0.361

0.176

Shannon

 − 0.339

0.467

0.353

 − 0.233

0.459

 − 0.766**

0.320

Simpson

0.571

 − 0.643*

 − 0.438

0.018

 − 0.316

0.666*

 − 0.345

AOB

amoA gene copy numbers

 − 0.868**

0.660*

0.492

0.746**

 − 0.470

 − 0.007

0.354

ACE

0.128

0.363

0.053

0.258

 − 0.047

 − 0.336

0.146

Chao 1

 − 0.046

0.460

 − 0.009

0.203

0.023

 − 0.372

0.229

Shannon

 − 0.934**

0.559

0.469

0.584*

 − 0.400

0.073

0.369

Simpson

0.957**

 − 0.544

 − 0.496

 − 0.501

0.399

 − 0.066

 − 0.316

  1. * and **Correlation is significant at p < 0.05 and p < 0.01.
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