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région économique | |||||||||||||||||||||||||||||||
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Ouest du Jura | Est du Jura | Ouest du Plateau | Centre du Plateau | Est du Plateau | Ouest des Préalpes | Centre des Préalpes | Est des Préalpes | Nord-ouest des Alpes | Centre des Alpes | Nord-est des Alpes | Sud-ouest des Alpes | Sud-est des Alpes | Sud des Alpes | 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 | ±% |
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 | . |
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 | . | |
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 | . | |
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 | . | |
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 | . | |
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 | . | |
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 | . | |
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 | . | |
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 | . | |
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 | . |
il y a =10 ans | 7.4 | 21 | 1.4 | 50 | 0.4 | 100 | 1.7 | 45 | 1.7 | 45 | 1.4 | 50 | 2.9 | 36 | 4.2 | 29 | 2.1 | 41 | 1.7 | 45 | 2.8 | 35 | 8.6 | 20 | 3.5 | 32 | 4.3 | 29 | 44.1 | 9 | |
il y a 11-20 ans | 1.8 | 45 | 0.7 | 71 | 0.0 | . | 0.3 | 100 | 0.0 | . | 0.3 | 100 | 0.7 | 71 | 1.9 | 45 | 2.4 | 38 | 1.4 | 50 | 0.3 | 100 | 5.0 | 27 | 1.8 | 45 | 2.6 | 38 | 19.1 | 14 | |
il y a 21-30 ans | 1.7 | 45 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.4 | 100 | 1.4 | 50 | 0.6 | 70 | 0.6 | 70 | 0.3 | 100 | 2.1 | 41 | 4.0 | 30 | 1.8 | 45 | 13.4 | 16 | |
il y a 31-40 ans | 0.7 | 70 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.0 | 58 | 0.0 | . | 0.0 | . | 2.1 | 41 | 1.0 | 58 | 1.8 | 44 | 6.6 | 23 | |
il y a 41-50 ans | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.7 | 71 | 0.4 | 100 | 0.7 | 71 | 0.3 | 100 | 0.3 | 100 | 2.6 | 37 | 0.7 | 71 | 6.1 | 24 | |
il y a 51-100 ans | 0.7 | 71 | 0.3 | 100 | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.8 | 71 | 0.0 | . | 0.3 | 100 | 1.8 | 45 | 0.4 | 100 | 0.4 | 100 | 5.3 | 26 | 0.7 | 71 | 11.9 | 17 | 22.9 | 12 | |
il y a >100 ans ou jamais aucune intervention | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.7 | 70 | 0.0 | . | 0.6 | 70 | 0.3 | 100 | 0.0 | . | 3.9 | 30 | 1.3 | 50 | 0.8 | 71 | 8.0 | 21 | |
total | 12.7 | 16 | 2.4 | 38 | 0.7 | 71 | 2.0 | 41 | 1.7 | 45 | 2.9 | 35 | 5.1 | 27 | 8.5 | 20 | 8.9 | 19 | 5.2 | 26 | 4.0 | 29 | 27.3 | 11 | 14.9 | 15 | 23.9 | 11 | 120.3 | 5 | |
à l'extérieur | 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 | . |
il y a =10 ans | 78.0 | 5 | 23.2 | 12 | 25.4 | 11 | 52.6 | 7 | 74.3 | 6 | 11.6 | 17 | 39.5 | 9 | 29.1 | 10 | 12.7 | 16 | 3.6 | 32 | 8.1 | 20 | 14.4 | 15 | 30.2 | 10 | 9.2 | 19 | 412.0 | 2 | |
il y a 11-20 ans | 24.3 | 12 | 5.6 | 24 | 7.0 | 22 | 15.3 | 15 | 20.2 | 12 | 11.3 | 18 | 21.0 | 13 | 10.5 | 18 | 9.1 | 19 | 4.1 | 29 | 5.2 | 26 | 8.7 | 20 | 13.3 | 16 | 3.9 | 30 | 159.5 | 4 | |
il y a 21-30 ans | 12.5 | 16 | 6.2 | 23 | 1.4 | 50 | 3.4 | 31 | 3.7 | 30 | 2.9 | 33 | 11.6 | 17 | 8.0 | 21 | 5.5 | 25 | 2.2 | 41 | 3.1 | 33 | 9.5 | 19 | 14.2 | 16 | 6.9 | 23 | 91.1 | 6 | |
il y a 31-40 ans | 6.1 | 24 | 1.0 | 57 | 2.0 | 41 | 1.0 | 57 | 3.7 | 30 | 2.7 | 35 | 4.6 | 28 | 3.2 | 33 | 5.6 | 25 | 0.7 | 71 | 2.0 | 41 | 3.4 | 32 | 10.9 | 18 | 5.4 | 26 | 52.4 | 8 | |
il y a 41-50 ans | 4.7 | 27 | 1.0 | 58 | 0.7 | 71 | 0.3 | 100 | 0.3 | 100 | 2.6 | 35 | 3.0 | 35 | 1.7 | 45 | 2.8 | 35 | 1.0 | 58 | 0.3 | 100 | 3.2 | 33 | 5.9 | 24 | 5.1 | 26 | 32.8 | 10 | |
il y a 51-100 ans | 8.1 | 20 | 2.1 | 40 | 2.7 | 35 | 0.7 | 71 | 1.0 | 58 | 3.0 | 33 | 7.1 | 22 | 6.4 | 24 | 5.5 | 25 | 3.3 | 32 | 2.1 | 41 | 19.0 | 13 | 17.0 | 14 | 41.5 | 8 | 119.6 | 5 | |
il y a >100 ans ou jamais aucune intervention | 1.4 | 50 | 0.0 | . | 0.0 | . | 0.3 | 100 | 0.3 | 100 | 1.1 | 58 | 2.6 | 38 | 1.1 | 58 | 3.2 | 33 | 2.2 | 41 | 2.1 | 41 | 9.9 | 19 | 12.8 | 16 | 24.7 | 11 | 61.8 | 7 | |
total | 135.1 | 3 | 39.1 | 8 | 39.2 | 9 | 73.7 | 6 | 103.6 | 4 | 35.2 | 9 | 89.5 | 5 | 60.0 | 7 | 44.4 | 8 | 17.0 | 14 | 22.9 | 12 | 68.1 | 7 | 104.4 | 5 | 96.8 | 4 | 929.2 | 1 | |
total | 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 | . |
il y a =10 ans | 85.4 | 5 | 24.6 | 11 | 25.8 | 11 | 54.3 | 7 | 76.0 | 6 | 13.0 | 16 | 42.5 | 8 | 33.3 | 10 | 14.8 | 15 | 5.3 | 26 | 10.8 | 17 | 23.0 | 12 | 33.7 | 10 | 13.5 | 16 | 456.1 | 2 | |
il y a 11-20 ans | 26.0 | 11 | 6.2 | 23 | 7.0 | 22 | 15.7 | 14 | 20.2 | 12 | 11.7 | 17 | 21.7 | 12 | 12.3 | 17 | 11.5 | 17 | 5.4 | 25 | 5.5 | 25 | 13.7 | 16 | 15.1 | 15 | 6.5 | 23 | 178.5 | 4 | |
il y a 21-30 ans | 14.3 | 15 | 6.2 | 23 | 1.4 | 50 | 3.4 | 31 | 3.7 | 30 | 3.3 | 32 | 12.0 | 17 | 9.5 | 19 | 6.1 | 23 | 2.8 | 35 | 3.4 | 32 | 11.6 | 17 | 18.2 | 14 | 8.8 | 20 | 104.6 | 6 | |
il y a 31-40 ans | 6.8 | 23 | 1.0 | 57 | 2.0 | 41 | 1.0 | 57 | 3.7 | 30 | 2.7 | 35 | 4.6 | 28 | 3.2 | 33 | 6.6 | 23 | 0.7 | 71 | 2.0 | 41 | 5.5 | 25 | 11.9 | 17 | 7.2 | 22 | 59.1 | 8 | |
il y a 41-50 ans | 4.7 | 27 | 1.0 | 58 | 0.7 | 71 | 0.3 | 100 | 0.3 | 100 | 2.6 | 35 | 3.4 | 33 | 2.4 | 38 | 3.2 | 33 | 1.8 | 45 | 0.6 | 70 | 3.5 | 32 | 8.5 | 20 | 5.8 | 25 | 38.9 | 9 | |
il y a 51-100 ans | 8.7 | 20 | 2.4 | 37 | 3.0 | 33 | 0.7 | 71 | 1.0 | 58 | 3.8 | 30 | 7.1 | 22 | 6.7 | 23 | 7.3 | 22 | 3.7 | 30 | 2.4 | 38 | 24.3 | 12 | 17.8 | 14 | 53.5 | 6 | 142.5 | 4 | |
il y a >100 ans ou jamais aucune intervention | 1.8 | 45 | 0.0 | . | 0.0 | . | 0.3 | 100 | 0.3 | 100 | 1.1 | 58 | 3.3 | 33 | 1.1 | 58 | 3.8 | 30 | 2.5 | 38 | 2.1 | 41 | 13.8 | 16 | 14.1 | 16 | 25.5 | 11 | 69.8 | 7 | |
total | 147.8 | 3 | 41.6 | 8 | 39.9 | 9 | 75.8 | 6 | 105.3 | 4 | 38.2 | 9 | 94.6 | 5 | 68.6 | 6 | 53.3 | 8 | 22.2 | 12 | 27.0 | 11 | 95.4 | 5 | 119.2 | 5 | 120.7 | 3 | 1049.5 | 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. 1413950. Birmensdorf, Swiss Federal Research Institute WSL