Table 1. Individual and site average relative abundance of dominant phyla and correlations to landscape urbanization.
| Percentage of Sequences | ||||||
|---|---|---|---|---|---|---|
| Phyla | Mean (SEM) (82 samples) | Mean (SEM) (15 sites) | Median (15 sites) | Range (15 sites) | Correlation coefficient | p-value |
| Firmicutes | 32.5 (3.1) | 39.9 (5.3) | 40.9 | 10.9–71.4 | -0.773 | <0.0001* |
| Proteobacteria | 22.6 (2.6) | 20.2 (1.7) | 19.0 | 12.6–36.1 | 0.772 | <0.0001* |
| TM7 | 22.6 (3.2) | 15.2 (3.8) | 16.7 | 0.4–37.7 | 0.763 | <0.0001* |
| Actinobacteria | 6.4 (1.0) | 6.9 (1.0) | 7.5 | 2.5–14.2 | 0.131 | 0.671 |
| Chlamydiae | 6.2 (1.6) | 6.0 (2.4) | 0.8 | 0.1–34.0 | 0.297 | 0.086 |
| Fusobacteria | 3.0 (1.2) | 3.0 (0.8) | 2.0 | 0.0–8.7 | -0.261 | 0.181 |
| Cyanobacteria | 1.6 (0.4) | 2.9 (1.0) | 1.4 | 0.1–11.2 | -0.578 | 0.004* |
| Chloroflexi | 1.1 (0.2) | 1.5 (0.4) | 1.1 | 0.1–4.8 | -0.514 | 0.112 |
| Tenericutes | 0.8 (0.4) | 1.4 (1.1) | 0.2 | 0.1–16.9 | -0.466 | 0.104 |
| Plantomycetes | 0.8 (0.2) | 0.9 (0.2) | 0.7 | 0.2–2.6 | -0.225 | 0.507 |
| Bacteroidetes | 1.1 (0.2) | 0.9 (0.2) | 0.9 | 0.1–2.6 | 0.528 | 0.010* |
| OP11 | 0.4 (0.1) | 0.3 (0.1) | 0.2 | 0.0–1.1 | 0.516 | 0.007* |
| TM6 | 0.3 (0.2) | 0.2 (0.1) | 0.1 | 0.0–1.5 | 0.457 | 0.020* |
| Verrucomicrobia | 0.1 (0.0) | 0.2 (0.0) | 0.1 | 0.0–0.5 | -0.067 | 0.811 |
| Acidobacteria | 0.12 (0.03) | 0.1 (0.0) | 0.1 | 0.0–0.5 | 0.037 | 0.935 |
* Significant correlation after adjustment for false-discovery rate (Benjamini, Yoav; Hochberg, Yosef (1995). Controlling the false discovery rate: a practical and powerful approach to multiple testing. Journal of the Royal Statistical Society, Series B. 57 (1): 289–300.)