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AG | AI | AR | BE | BL/BS | FR | GE | GL | GR | JU | LU | NE | NW | OW | SG | SH | SO | SZ | TG | TI | UR | VD | VS | ZG | ZH | Suisse | ||||||||||||||||||||||||||||
forêt de protection contre des coulées de boue/glissements de terrain (2022) | date de la dernière intervention (classes de 10 ans) | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% |
pas d'indication | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
il y a =10 ans | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
il y a 11-20 ans | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
il y a 21-30 ans | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
il y a 31-40 ans | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
il y a 41-50 ans | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
il y a 51-100 ans | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
il y a >100 ans ou jamais aucune intervention | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
total | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
à l'intérieur | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
il y a =10 ans | 0.0 | . | 0.0 | . | 0.7 | 72 | 6.4 | 23 | 1.0 | 58 | 0.7 | 71 | 0.0 | . | 1.7 | 45 | 5.7 | 25 | 1.4 | 50 | 0.3 | 100 | 3.6 | 31 | 0.8 | 71 | 0.9 | 70 | 3.8 | 30 | 0.3 | 100 | 0.7 | 70 | 0.7 | 71 | 0.7 | 71 | 3.5 | 31 | 1.7 | 45 | 3.6 | 32 | 9.3 | 19 | 0.4 | 100 | 0.7 | 71 | 48.6 | 8 | |
il y a 11-20 ans | 0.0 | . | 0.0 | . | 0.8 | 71 | 4.1 | 29 | 0.3 | 100 | 0.3 | 100 | 0.0 | . | 0.3 | 100 | 3.9 | 30 | 0.3 | 100 | 0.3 | 100 | 0.4 | 100 | 0.0 | . | 0.3 | 100 | 1.1 | 57 | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 2.6 | 38 | 1.1 | 58 | 0.3 | 100 | 5.4 | 26 | 0.0 | . | 0.0 | . | 21.9 | 13 | |
il y a 21-30 ans | 0.0 | . | 0.3 | 100 | 0.0 | . | 1.7 | 45 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 4.3 | 29 | 1.0 | 58 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.4 | 50 | 0.0 | . | 0.0 | . | 1.4 | 50 | 0.0 | . | 1.5 | 50 | 0.0 | . | 0.8 | 71 | 2.1 | 41 | 0.0 | . | 0.0 | . | 14.5 | 16 | |
il y a 31-40 ans | 0.0 | . | 0.0 | . | 0.0 | . | 0.7 | 71 | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 2.8 | 35 | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.4 | 50 | 0.0 | . | 0.4 | 100 | 2.1 | 41 | 0.0 | . | 0.0 | . | 8.0 | 21 | |
il y a 41-50 ans | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.8 | 71 | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 100 | 2.9 | 35 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.7 | 71 | 0.7 | 71 | 0.0 | . | 0.7 | 71 | 0.0 | . | 0.0 | . | 6.8 | 23 | |
il y a 51-100 ans | 0.0 | . | 0.0 | . | 0.0 | . | 1.7 | 45 | 0.0 | . | 0.4 | 100 | 0.0 | . | 0.0 | . | 3.0 | 35 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.0 | . | 0.3 | 100 | 0.3 | 100 | 0.0 | . | 11.0 | 18 | 0.7 | 71 | 1.4 | 50 | 6.0 | 24 | 0.0 | . | 0.0 | . | 25.3 | 12 | |
il y a >100 ans ou jamais aucune intervention | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.7 | 45 | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.7 | 70 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.8 | 45 | 0.7 | 71 | 0.6 | 70 | 3.9 | 30 | 0.0 | . | 0.0 | . | 9.8 | 19 | |
total | 0.0 | . | 0.3 | 100 | 1.9 | 45 | 15.4 | 15 | 1.7 | 45 | 1.4 | 50 | 0.0 | . | 2.3 | 38 | 24.3 | 12 | 3.5 | 31 | 0.7 | 71 | 4.0 | 30 | 0.8 | 71 | 1.9 | 45 | 7.0 | 22 | 0.7 | 70 | 1.0 | 57 | 2.4 | 38 | 0.7 | 71 | 22.5 | 12 | 5.0 | 27 | 7.1 | 22 | 29.5 | 11 | 0.4 | 100 | 0.7 | 71 | 135.1 | 5 | |
à l'extérieur | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 |
il y a =10 ans | 30.3 | 10 | 3.1 | 33 | 4.6 | 27 | 86.7 | 6 | 10.2 | 18 | 17.3 | 14 | 1.8 | 45 | 6.1 | 23 | 40.1 | 9 | 13.1 | 16 | 22.4 | 12 | 20.5 | 12 | 1.5 | 50 | 5.3 | 26 | 20.1 | 13 | 6.6 | 22 | 16.4 | 14 | 9.4 | 20 | 18.3 | 13 | 8.5 | 20 | 1.4 | 50 | 42.5 | 9 | 19.0 | 13 | 3.2 | 34 | 33.7 | 9 | 442.0 | 2 | |
il y a 11-20 ans | 7.9 | 21 | 0.0 | . | 0.0 | . | 29.3 | 11 | 1.7 | 45 | 12.0 | 17 | 0.4 | 100 | 2.8 | 35 | 15.8 | 15 | 7.8 | 21 | 13.5 | 16 | 5.1 | 26 | 0.3 | 100 | 4.2 | 29 | 7.6 | 21 | 2.8 | 35 | 5.3 | 26 | 5.7 | 25 | 3.8 | 30 | 4.2 | 29 | 4.6 | 28 | 14.2 | 16 | 11.9 | 17 | 1.8 | 45 | 10.7 | 18 | 173.3 | 4 | |
il y a 21-30 ans | 2.0 | 41 | 0.7 | 71 | 1.4 | 50 | 14.5 | 15 | 2.4 | 38 | 2.6 | 35 | 0.0 | . | 1.0 | 58 | 20.3 | 13 | 2.8 | 35 | 4.4 | 29 | 0.7 | 71 | 2.8 | 35 | 1.7 | 44 | 7.7 | 22 | 1.4 | 50 | 4.5 | 27 | 2.6 | 35 | 0.7 | 71 | 7.3 | 22 | 3.2 | 33 | 9.5 | 19 | 10.9 | 18 | 0.0 | . | 2.4 | 38 | 107.6 | 6 | |
il y a 31-40 ans | 0.0 | . | 0.0 | . | 0.3 | 100 | 11.0 | 18 | 0.3 | 100 | 1.4 | 50 | 0.3 | 100 | 1.4 | 50 | 20.9 | 13 | 1.1 | 58 | 2.8 | 35 | 0.4 | 100 | 0.4 | 100 | 1.2 | 58 | 4.5 | 28 | 0.7 | 70 | 0.7 | 71 | 1.8 | 45 | 1.3 | 50 | 10.0 | 18 | 2.5 | 38 | 7.2 | 22 | 8.4 | 20 | 0.0 | . | 2.1 | 41 | 80.6 | 6 | |
il y a 41-50 ans | 0.0 | . | 0.0 | . | 0.4 | 100 | 6.1 | 24 | 0.7 | 70 | 2.3 | 38 | 0.0 | . | 0.7 | 71 | 14.5 | 16 | 1.4 | 50 | 1.1 | 58 | 0.8 | 71 | 0.0 | . | 0.3 | 100 | 1.0 | 58 | 0.0 | . | 0.7 | 71 | 0.7 | 71 | 0.0 | . | 13.9 | 16 | 2.5 | 38 | 4.0 | 30 | 9.7 | 19 | 0.0 | . | 0.3 | 100 | 61.0 | 8 | |
il y a 51-100 ans | 1.4 | 50 | 1.0 | 58 | 0.3 | 100 | 13.0 | 16 | 0.7 | 70 | 3.1 | 34 | 0.0 | . | 1.3 | 50 | 41.8 | 9 | 1.4 | 50 | 1.4 | 50 | 0.7 | 71 | 0.4 | 100 | 3.8 | 30 | 5.8 | 25 | 0.3 | 100 | 1.8 | 45 | 3.5 | 32 | 0.3 | 100 | 43.4 | 8 | 4.5 | 28 | 8.5 | 20 | 27.6 | 11 | 0.0 | . | 0.3 | 100 | 166.2 | 4 | |
il y a >100 ans ou jamais aucune intervention | 0.3 | 100 | 0.4 | 100 | 0.0 | . | 10.0 | 19 | 0.0 | . | 1.5 | 50 | 0.0 | . | 3.2 | 33 | 33.1 | 10 | 0.0 | . | 0.7 | 71 | 0.0 | . | 1.1 | 58 | 2.0 | 45 | 4.7 | 28 | 0.0 | . | 0.3 | 100 | 2.6 | 38 | 0.0 | . | 28.0 | 10 | 1.8 | 45 | 1.5 | 50 | 13.1 | 16 | 0.0 | . | 0.0 | . | 104.2 | 6 | |
total | 41.9 | 9 | 5.1 | 26 | 6.9 | 22 | 171.1 | 4 | 16.1 | 14 | 40.1 | 9 | 2.5 | 38 | 16.5 | 14 | 186.4 | 4 | 27.6 | 11 | 46.2 | 8 | 28.2 | 10 | 6.4 | 23 | 18.4 | 14 | 51.4 | 8 | 11.8 | 16 | 29.7 | 10 | 26.2 | 11 | 24.5 | 11 | 115.3 | 4 | 20.6 | 13 | 87.3 | 6 | 100.6 | 5 | 5.0 | 27 | 49.5 | 8 | 1135.2 | 1 | |
total | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 |
il y a =10 ans | 30.3 | 10 | 3.1 | 33 | 5.3 | 26 | 93.1 | 6 | 11.3 | 17 | 18.0 | 14 | 1.8 | 45 | 7.8 | 21 | 45.8 | 8 | 14.5 | 15 | 22.7 | 12 | 24.1 | 11 | 2.2 | 41 | 6.1 | 24 | 23.9 | 12 | 6.9 | 22 | 17.1 | 14 | 10.0 | 19 | 19.0 | 13 | 12.0 | 17 | 3.1 | 33 | 46.1 | 8 | 28.4 | 11 | 3.6 | 32 | 34.4 | 9 | 490.6 | 2 | |
il y a 11-20 ans | 7.9 | 21 | 0.0 | . | 0.8 | 71 | 33.4 | 10 | 2.1 | 41 | 12.3 | 17 | 0.4 | 100 | 3.1 | 33 | 19.7 | 13 | 8.1 | 20 | 13.8 | 16 | 5.5 | 26 | 0.3 | 100 | 4.5 | 28 | 8.7 | 20 | 3.1 | 33 | 5.3 | 26 | 5.7 | 25 | 3.8 | 30 | 6.8 | 23 | 5.7 | 25 | 14.5 | 16 | 17.3 | 14 | 1.8 | 45 | 10.7 | 18 | 195.2 | 4 | |
il y a 21-30 ans | 2.0 | 41 | 1.0 | 58 | 1.4 | 50 | 16.2 | 15 | 2.4 | 38 | 2.6 | 35 | 0.0 | . | 1.0 | 58 | 24.6 | 12 | 3.9 | 30 | 4.4 | 29 | 0.7 | 71 | 2.8 | 35 | 1.7 | 44 | 9.1 | 20 | 1.4 | 50 | 4.5 | 27 | 4.0 | 29 | 0.7 | 71 | 8.8 | 20 | 3.2 | 33 | 10.2 | 19 | 13.1 | 16 | 0.0 | . | 2.4 | 38 | 122.2 | 5 | |
il y a 31-40 ans | 0.0 | . | 0.0 | . | 0.3 | 100 | 11.7 | 17 | 0.7 | 70 | 1.4 | 50 | 0.3 | 100 | 1.4 | 50 | 23.7 | 12 | 1.4 | 50 | 2.8 | 35 | 0.4 | 100 | 0.4 | 100 | 1.2 | 58 | 4.5 | 28 | 0.7 | 70 | 0.7 | 71 | 1.8 | 45 | 1.3 | 50 | 11.4 | 17 | 2.5 | 38 | 7.5 | 22 | 10.4 | 18 | 0.0 | . | 2.1 | 41 | 88.6 | 6 | |
il y a 41-50 ans | 0.0 | . | 0.0 | . | 0.7 | 71 | 6.9 | 23 | 0.7 | 70 | 2.3 | 38 | 0.0 | . | 1.0 | 58 | 17.4 | 14 | 1.4 | 50 | 1.1 | 58 | 0.8 | 71 | 0.0 | . | 0.3 | 100 | 1.4 | 50 | 0.0 | . | 0.7 | 71 | 0.7 | 71 | 0.0 | . | 14.6 | 15 | 3.2 | 33 | 4.0 | 30 | 10.3 | 19 | 0.0 | . | 0.3 | 100 | 67.8 | 7 | |
il y a 51-100 ans | 1.4 | 50 | 1.0 | 58 | 0.3 | 100 | 14.7 | 15 | 0.7 | 70 | 3.5 | 32 | 0.0 | . | 1.3 | 50 | 44.8 | 9 | 1.4 | 50 | 1.4 | 50 | 0.7 | 71 | 0.4 | 100 | 3.8 | 30 | 6.1 | 24 | 0.3 | 100 | 2.1 | 41 | 3.8 | 30 | 0.3 | 100 | 54.4 | 7 | 5.3 | 26 | 9.9 | 19 | 33.6 | 10 | 0.0 | . | 0.3 | 100 | 191.6 | 4 | |
il y a >100 ans ou jamais aucune intervention | 0.3 | 100 | 0.4 | 100 | 0.0 | . | 10.0 | 19 | 0.0 | . | 1.5 | 50 | 0.0 | . | 3.2 | 33 | 34.8 | 10 | 0.3 | 100 | 0.7 | 71 | 0.0 | . | 1.1 | 58 | 2.6 | 38 | 4.7 | 28 | 0.0 | . | 0.3 | 100 | 2.6 | 38 | 0.0 | . | 29.8 | 10 | 2.5 | 38 | 2.1 | 41 | 17.0 | 14 | 0.0 | . | 0.0 | . | 113.9 | 5 | |
total | 41.9 | 9 | 5.4 | 25 | 8.8 | 20 | 186.5 | 4 | 17.8 | 13 | 41.5 | 9 | 2.5 | 38 | 18.8 | 13 | 210.7 | 4 | 31.0 | 10 | 46.9 | 8 | 32.1 | 9 | 7.1 | 22 | 20.2 | 13 | 58.4 | 7 | 12.5 | 16 | 30.7 | 10 | 28.6 | 11 | 25.1 | 11 | 137.8 | 3 | 25.5 | 12 | 94.4 | 6 | 130.1 | 5 | 5.4 | 26 | 50.2 | 7 | 1270.3 | 1 |
Table citation
Abegg, M.; Ahles, P.; Allgaier Leuch, B.; Cioldi, F.; Didion, M.; Düggelin, C.; Fischer, C.; Herold, A.; Meile, R.; Rohner, B.; Rösler, E.; Speich, S.; Temperli, C.; Traub, B.,
2023: Swiss national forest inventory - Result table No. 1413968. Birmensdorf, Swiss Federal Research Institute WSL