Table 3 Proportions of fertility classes and predicted mean annual volume increment when calculated from the characteristics of cells, stands or virtual stands
South Finland | North Finland | |||||
|---|---|---|---|---|---|---|
Cells | Stands | Virtual stands | Cells | Stands | Virtual stands | |
Herb rich (%) | 14.1 | 10.4 | 14.1 | 0.2 | 0.2 | 0.2 |
Mesic (%) | 46.4 | 49.9 | 46.5 | 13.0 | 11.8 | 13.0 |
Sub-xeric (%) | 32.3 | 33.2 | 32.3 | 57.2 | 58.3 | 57.3 |
Xeric (%) | 7.1 | 6.4 | 7.0 | 29.5 | 29.7 | 29.6 |
Volume increment (m3·ha−1·a−1) | 6.76 | 6.94 | 6.80 | 2.93 | 3.01 | 2.96 |
Bias (%) | – | 2.5 | 0.3 | – | 2.7 | 1.1 |