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Mantel tests for the correlations between community similarity and local environmental and spatial variables using Spearman coefficienta
| Variables | Significanceb of effect on: |
||
|---|---|---|---|
| All bacteria | Abundant bacteria | Rare bacteria | |
| Environmental variables | 0.420*** | 0.350*** | 0.349*** |
| Spatial variables | 0.385*** | 0.321*** | 0.464*** |
The Euclidean distance was used to calculate the similarity matrix.
Significance was tested based on 999 permutations. ***, P < 0.001.
