| Species | Layer | Compartment | Season | ||
|
|
|
| Autumn | Winter | Spring |
| Beech | I | B | 3.79 | 4.35 | 3.80 |
| R | 3.60 | 3.69* | 3.78 | ||
| II | B | 4.05 | 4.36 | 3.68 | |
| R | 4.00 | 3.80* | 4.12* | ||
| III | B | 4.52 | 5.37 | 4.46 | |
| R | 4.35 | 4.71* | 4.72* | ||
| Norway spruce | I | B | 3.27 | 3.79 | 3.55 |
| R | 3.20 | 3.66 | 3.31 | ||
| II | B | 3.82 | 4.08 | 3.91 | |
| R | 3.69 | 3.69* | 3.82 | ||
| III | B | 4.12 | 4.62 | 4.40 | |
| R | 4.34 | 4.53 | 4.09 | ||