Table 4 Occurrence (count) of the ten most prominent soil properties and terrain attributes in all models, tree layer models and herb layer models.
From: The strength of soil-plant interactions under forest is related to a Critical Soil Depth
Soil property/terrain attribute | Total occurrence | Occurrence in tree layer models | Occurrence in herb layer |
---|---|---|---|
C:N | 30 (1) | 2 (10) | 28 (1) |
Coarse-sized sand | 27 (2) | 18 (2) | 9 (7) |
pH (H2O) | 25 (3) | 20 (1) | 5 (11) |
Bulk density | 21 (4) | 9 (3) | 12 (4) |
Elevation | 19 (5) | 5 (5) | 14 (2) |
Carbon stocks | 15 (6) | 4 (8) | 11 (5) |
Cation exchange capacity (effective) | 14 (7) | — | 14 (2) |
Clay | 13 (8) | 5 (5) | 8 (8) |
Fine-sized sand | 11 (9) | 1 (11) | 10 (6) |
Slope | 11 (10) | 4 (8) | 7 (10) |
Ion equivalent Iron | 10 (11) | 7 (4) | 3 (12) |
Very fine-sized sand | 9 (12) | 1 (11) | 8 (8) |
Ion equivalent Potassium | 8 (13) | 5 (5) | 3 (12) |