Table 1.
Aboveground structural characteristic of the target trees and of entire study plots; all species in a plot for the six plot types (species); important soil chemical properties of the mineral topsoil (0–10 cm) are also indicated.
| Variable | Species |
|||||
|---|---|---|---|---|---|---|
| F. excelsior | A. pseudoplatanus | A. platanoides | C. betulus | T. cordata | F. sylvatica | |
| Target species | ||||||
| Tree height (m) | 32.3 ± 1.5 | 28.6 ± 0.9 | 23.8 ± 2.0 | 22.8 ± 1.1 | 24.2 ± 1.40 | 26.4 ± 0.7 |
| AWB (Mg ha-1) | 313.2 ± 47.1 | 182.8 ± 30.7 | 136.1 ± 21.8 | 168.7 ± 34.6 | 169.1 ± 24.9 | 207.0 ± 24.2 |
| AWB (Mg Ind. tree-1) | 1.9 ± 0.3 | 1.8 ± 0.1 | 1.4 ± 0.2 | 1.1 ± 0.2 | 0.8 ± 0.1 | 1.2 ± 0.1 |
| Dbh (cm) | 52.2 ± 3.5 | 58.1 ± 3.2 | 51.2 ± 3.6 | 43.4 ± 3.3 | 46.4 ± 2.3 | 43.5 ± 2.2 |
| BA (m2 ha-1) | 47.82 ± 4.69 | 27 ± 4.01 | 22.07 ± 3.24 | 26.29 ± 5.16 | 43.60 ± 6.12 | 52.32 ± 5.04 |
| All species per plot | ||||||
| Total BA (m2 ha-1) | 57.1 ± 5.4 | 47.8 ± 8.8 | 28.7 ± 2.5 | 31.6 ± 6.6 | 50.9 ± 6.0 | 60.3 ± 7.8 |
| Proportion of target species (%)1 | 83.6 ± 3.5 | 62.7 ± 7.2 | 77.4 ± 9.9 | 86.1 ± 8.0 | 84.8 ± 4.0 | 90.4 ± 5.7 |
| Stem density (no. trees ha-1) | 409 ± 71 | 376 ± 64 | 232 ± 23 | 232 ± 41 | 365 ± 35 | 696 ± 98 |
| Soil chemical properties (0–10 cm) | ||||||
| C/N g g-1 | 11.9 ± 0.2 | 11.6 ± 0.4 | 12.0 ± 0.4 | 12.5 ± 0.2 | 12.0 ± 0.3 | 12.6 ± 0.3 |
| CEC (μmolc/g dry soil) | 213.5 ± 75.5 | 195.8 ± 69.2 | 206.5 ± 73.0 | 178.5 ± 63.1 | 192.2 ± 67.9 | 139.2 ± 49.2 |
| Base saturation (%) | 91.2 ± 5.8 | 88.8 ± 4.8 | 87.3 ± 5.4 | 88.0 ± 6.8 | 93.4 ± 4.2 | 78.5 ± 8.2 |
| pH (H2O/KCl) | 5.29/4.19 | 5.07/4.10 | 5.20/4.11 | 5.29/4.15 | 5.41/4.31 | 5.02/3.94 |
Given are mean ± SE for n = 8 plots. Aboveground woody biomass (AWB) is given for spring 2012. BA, basal area of the target species; CEC, cation exchange capacity (data taken from Kubisch et al., 2015; see Materials and Methods, contact this source). 1% of BA.