Table 1 Laboratory analysis data for all 27 CSPs for a soil depth column of 0 cm to 50 cm (calculated as weighted mean of six sampled depth intervals).
From: The strength of soil-plant interactions under forest is related to a Critical Soil Depth
Description | Abbrev. | Min | SD | Median | Mean | Max |
---|---|---|---|---|---|---|
Dynamic soil properties | ||||||
pH H2O | pHH20 | 4.32 | 0.17 | 4.70 | 4.70 | 5.06 |
pH KCl | pHKCl | 3.68 | 0.10 | 3.81 | 3.83 | 4.01 |
Effective cation exchange capacity | CECeff | 28.61 | 14.46 | 45.81 | 47.97 | 82.28 |
Na [µmolc g−1] | IE Na | 0.10 | 0.13 | 0.19 | 0.24 | 0.29 |
K [µmolc g−1] | IE K | 0.73 | 0.29 | 1.19 | 1.21 | 1.83 |
Mg [µmolc g−1] | IE Mg | 0.36 | 0.60 | 1.00 | 1.17 | 3.50 |
Ca [µmolc g−1] | IE Ca | 0.45 | 1.28 | 1.64 | 2.01 | 6.08 |
Mn [µmolc g−1] | IE Mn | 0.09 | 0.33 | 0.36 | 0.49 | 1.44 |
Fe [µmolc g−1] | IE Fe | 0.09 | 0.22 | 0.29 | 0.31 | 1.16 |
Al [µmolc g−1] | IE Al | 22.64 | 13.71 | 37.46 | 41.04 | 74.64 |
H [µmolc g−1] | IE H | 0.73 | 0.54 | 1.43 | 1.53 | 2.88 |
Base saturation [%] | BS | 4.06 | 3.91 | 8.74 | 9.50 | 21.07 |
Exchangeable Acidity [%] | EA | 23.90 | 14.18 | 38.70 | 43.37 | 78.54 |
Total organic nitrogen [mass-%] | Nt | 0.045 | 0.04 | 0.08 | 0.09 | 0.22 |
Total organic carbon [mass-%] | Ct | 0.71 | 0.76 | 1.21 | 1.43 | 4.18 |
Soil organic carbon stocks [t ha−1] | SOCstocks | 0.23 | 0.49 | 0.78 | 0.90 | 2.52 |
C:N ratio | CN | 12.77 | 1.74 | 14.75 | 15.12 | 18.92 |
Stable soil properties | ||||||
Bulk Density [g cm−3] | BD | 0.81 | 0.15 | 1.08 | 1.08 | 1.46 |
Coarse Material [%] | CM | 0 | 18.51 | 15.82 | 20.12 | 72.60 |
Coarse-sized sand [%] | csa | 4.06 | 6.47 | 15.13 | 15.65 | 29.72 |
Medium-sized sand [%] | msa | 3.60 | 4.28 | 14.12 | 13.12 | 20.78 |
Fine-sized sand [%] | fsa | 1.55 | 1.46 | 5.29 | 5.15 | 8.37 |
Very fine-sized sand [%] | vfsa | 4.59 | 2.65 | 9.22 | 8.71 | 13.43 |
Coarse-sized silt [%] | csi | 5.63 | 5.93 | 13.28 | 15.21 | 26.27 |
Medium-sized silt [%] | msi | 8.79 | 3.86 | 11.59 | 13.02 | 24.64 |
Fine-sized silt [%] | fsi | 5.28 | 2.01 | 7.68 | 7.95 | 13.69 |
Clay [%] | clay | 11.70 | 3.35 | 21.70 | 21.21 | 26.40 |
Silt sum [%] | sisum | 22.60 | 10.04 | 33.70 | 36.17 | 64.40 |
Sand sum [%] | sasum | 13.90 | 10.38 | 43.80 | 42.58 | 60.00 |