Table 3. Correlations between physicochemical and biological parameters measured (asterisks represent strength of significance after Bonferroni correction).
| Response variable | Explanatory variable | D.f. | Adj. R2 | Kendall τ | Comparison no. (see Methods) |
|---|---|---|---|---|---|
| Clay (%) | Elevation | 93 | 0.26 | −0.28** | 1 |
| Sand (%) | “ | 93 | 0.26 | 0.23* | 1 |
| Temp. during sampling (T0) | “ | 37 | 0.42 | −0.54*** | 1 |
| Snow cover previous winter | “ | 21 | 0.87 | 0.84*** | 1 |
| Mean daily temp. 0–30 days prior to sampling | “ | 21 | 0.30 | −0.51* | 1 |
| Annual mean temperature | “ | 10 | 0.96 | −0.91*** | 1 |
| Mean annual snow cover (days) | “ | 10 | 0.82 | 0.79** | 1 |
| NUS (Biolog) | Soil humidity | 64 | 0.78 | 0.34* | 3 |
| Prokaryotic rarefied richness (RS) | C/N ratio | 47 | 0.24 | 0.38* | 3 |
| Prokaryotic RS | Fungal RS (18S) | 35 | 0.51 | 0.56*** | 4 |
| “ | Fungal RS (ITS) | 34 | 0.43 | 0.50** | 4 |
| “ | Eukaryotic RS | 35 | 0.38 | 0.53*** | 4 |
| “ | Protist share | 35 | 0.30 | 0.41* | 4 |
| Eukaryotic RS | Fungal RS (18S) | 37 | 0.92 | 0.84*** | 4 |
| Fungal RS (ITS) | 31 | 0.75 | 0.76*** | 4 | |
| “ | Protist share | 37 | 0.75 | 0.76*** | 4 |
| “ | Fungal share | 37 | 0.39 | −0.59*** | 4 |
| “ | Protist RS | 37 | 0.34 | 0.41* | 4 |
| Fungal RS (ITS) | Fungal RS (18S) | 31 | 0.82 | 0.80*** | 4 |
| “ | Fungal share (18S reads) | 31 | 0.61 | −0.62*** | 4 |
| “ | Protist share | 31 | 0.58 | 0.64*** | 4 |
| Fungal RS (18S) | Fungal share | 37 | 0.54 | −0.64*** | 4 |
| “ | Protist share | 37 | 0.70 | 0.66*** | 4 |
| “ | Protist RS | 37 | 0.29 | 0.42** | 4 |