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Table 2 Correlations between measured environmental factors and relative abundance of bacterial ammonia oxidiser lineages (identified at different identity thresholds) in 33 soils used for analysis of bacterial amoA gene sequences

From: The application of high-throughput sequencing technology to analysis of amoA phylogeny and environmental niche specialisation of terrestrial bacterial ammonia-oxidisers

Environmental factors

Identity (%)

90

95

97

100

pH

0.001***

0.001***

0.001***

0.001***

C

0.274

0.003**

0.006**

0.001***

N

0.166

0.016*

0.020*

0.001***

C:N

0.001***

0.002**

0.003**

0.002**

Moisture

0.459

0.264

0.112

0.015*

LOI

0.139

0.198

0.032*

0.072.

Vegetation

0.406

0.172

0.083 .

0.106

Number of clusters

14

71

187

3868

  1. Significance codes: p < 0.001 ***; p < 0.01 **; p < 0.05 *