Unit of estimation: Forest with
information about the last intervention
(=90,1% of the acessible forest, excluding brushwood)
| Jura | Mittelland | Pre-Alps | Alps | Southern Alps |
Switzerland | |||||||
| Last intervention before: 1) | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
| 0 - 10 years | 55.9 | 1.7 | 72.0 | 1.6 | 48.2 | 1.7 | 34.0 | 1.2 | 13.3 | 1.4 | 46.1 | 0.7 |
| 11 - 20 years | 25.8 | 1.4 | 19.7 | 1.2 | 27.6 | 1.4 | 19.2 | 1.0 | 11.1 | 1.3 | 21.1 | 0.6 |
| 21 - 30 years | 9.5 | 0.9 | 4.2 | 0.6 | 10.7 | 0.9 | 12.1 | 0.8 | 9.6 | 1.2 | 9.4 | 0.4 |
| 31 - 50 years | 5.4 | 0.7 | 2.2 | 0.4 | 7.1 | 0.8 | 15.7 | 0.9 | 24.9 | 1.8 | 10.5 | 0.4 |
| more than 50 years | 3.4 | 0.6 | 1.9 | 0.4 | 6.4 | 0.7 | 19.0 | 1.0 | 41.0 | 2.1 | 12.8 | 0.4 |
| Total | 100 | 100 | 100 | 100 | 100 | 100 | ||||||
| 1000ha | ±% | 1000ha | ±% | 1000ha | ±% | 1000ha | ±% | 1000ha | ±% | 1000ha | ±% | |
| Total in 1000 ha | 186.3 | 1 | 213.7 | 1 | 193.4 | 1 | 312.9 | 1 | 120.6 | 1 | 1027.0 | 1 |
1) according to a survey at the
forest service
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