Table 1 Area, productivity per age classes of beech and spruce mountain forests in Romania according to the national forest inventory, and productivity losses in Romania
From: Romanian legal management rules limit wood production in Norway spruce and beech forests
Age classes | Area in Romania (ha) | Productivity in Romania (m3∙ha−1∙y−1) | Productivity in Germany (m3∙ha−1∙y−1) | Productivity losses: Area x (productivity in D – productivity in RO) (m3∙ha−1∙y−1) | |
|---|---|---|---|---|---|
Picea | 0–20 | 103356 | 1.4 | 7.1 | 590879 |
21–40 | 218082 | 7.9 | 19.8 | 2607939 | |
41–60 | 212645 | 9.3 | 19.8 | 2247676 | |
61–80 | 199526 | 8.4 | 14.9 | 1295376 | |
81–100 | 149529 | 7.9 | 13.3 | 810740 | |
101–120 | 78967 | 7.0 | 11.5 | 355919 | |
121–140 | 23255 | 6.6 | 9.6 | 71278 | |
141–160 | 7308 | 6.2 | 7.9 | 12332 | |
>160 | 1528 | 5.8 | 5.1 | −1097 | |
Sum | 994195 | 7991042 | |||
Fagus | 0–20 | 130149 | 2.5 | 2.7 | 32908 |
21–40 | 162552 | 6.3 | 12.5 | 1014201 | |
41–60 | 154291 | 7.5 | 14.3 | 1047098 | |
61–80 | 216615 | 7.5 | 12.9 | 1152395 | |
81–100 | 219061 | 8.0 | 12.3 | 942052 | |
101–120 | 174170 | 7.5 | 10.2 | 473749 | |
121–140 | 74316 | 7.2 | 9.1 | 139145 | |
141–160 | 38770 | 7.1 | 7.9 | 30856 | |
>160 | 20036 | 7.4 | 6.7 | −14137 | |
Sum | 1189959 | 12809309 |