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Forward selection of environmental variables, which best explain variation in functional gene composition (Subsystem level 1 genes) between samples.
| Environmental Variable | Explains % | Contribution % | Pseudo-F | P |
|---|---|---|---|---|
| P | 92.8 | 92.8 | 25.8 | 0.09 |
| Ca | 5.1 | 5.1 | 2.4 | 0.87 |
| Sand | 2.1 | 2.1 | <0.1 | 1. |
