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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 *