Table 2. Variance partitioning of the treatment effect, abiotic and biotic variables influencing rhizosphere fungal communities.
| Treatment variables | % Variation explained | F | P |
|---|---|---|---|
| Soil | 4.3 | 1.5 | 0.012 |
| Treatmenta | 4.0 | 1.4 | 0.016 |
| Time since abandonment | 3.6 | 1.3 | 0.049 |
| Sampling time | 1.1 | 1.0 | 0.424 |
| Abiotic parameters | 23.7 | 1.2 | 0.012 |
| N-mineralization, mg kg−1 week−1 | 3.3 | 1.1 | 0.234 |
| pH | 5.0 | 1.7 | 0.006 |
| Total N | 2.4 | 0.8 | 0.804 |
| C/N | 3.4 | 1.2 | 0.134 |
| Organic matter | 3.8 | 1.3 | 0.016 |
| Phosphorous | 3.6 | 1.2 | 0.056 |
| Biotic parameters | 28.9 | 1.1 | 0.346 |
| Plant species in the core | 3.4 | 1.2 | 0.134 |
| Roots C | 4.2 | 1.4 | 0.082 |
| Fungal C | 2.6 | 0.9 | 0.604 |
| Protists | 1.9 | 0.6 | 0.834 |
| Fungivorous nematodes | 5.6 | 1.2 | 0.228 |
| Fungivorous collembola | 2.1 | 0.6 | 0.955 |
| Fungivorous prostigmatic mites | 3.7 | 0.5 | 0.838 |
| Fungivorous astigmatic mites | 5.0 | 0.8 | 0.766 |
| Fungivorous cryptostigmatic mites | 4.2 | 1.0 | 0.402 |
a
Treatment refers to categories ‘recent’, ‘mid-term’ and ‘long term’.