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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 avalanches (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 | 2.9 | 35 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.0 | 58 | 1.7 | 44 | 1.3 | 50 | 2.8 | 35 | 1.5 | 50 | 2.4 | 38 | 5.6 | 25 | 2.9 | 35 | 2.2 | 40 | 24.4 | 12 | |
il y a 11-20 ans | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.0 | 58 | 1.7 | 45 | 0.4 | 100 | 3.8 | 30 | 1.7 | 45 | 1.0 | 58 | 3.6 | 31 | 2.1 | 41 | 1.1 | 58 | 16.4 | 14 | |
il y a 21-30 ans | 0.7 | 71 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.6 | 45 | 0.3 | 100 | 0.4 | 100 | 1.4 | 50 | 0.7 | 71 | 4.2 | 29 | 3.3 | 33 | 1.4 | 50 | 14.0 | 16 | |
il y a 31-40 ans | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.6 | 71 | 0.4 | 100 | 2.1 | 41 | 0.4 | 100 | 0.7 | 71 | 2.4 | 38 | 3.5 | 32 | 2.1 | 41 | 12.1 | 17 | |
il y a 41-50 ans | 0.4 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.3 | 100 | 0.3 | 100 | 1.4 | 50 | 1.8 | 45 | 0.3 | 100 | 4.9 | 27 | |
il y a 51-100 ans | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.7 | 71 | 1.7 | 45 | 0.3 | 100 | 1.5 | 50 | 0.7 | 71 | 0.7 | 71 | 6.0 | 24 | 3.9 | 30 | 4.3 | 28 | 20.1 | 13 | |
il y a >100 ans ou jamais aucune intervention | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.7 | 71 | 0.0 | . | 0.4 | 100 | 0.7 | 71 | 0.0 | . | 3.2 | 33 | 2.1 | 41 | 3.5 | 31 | 10.9 | 18 | |
total | 4.4 | 28 | 0.0 | . | 0.0 | . | 0.3 | 100 | 0.0 | . | 2.6 | 35 | 8.0 | 20 | 2.7 | 35 | 11.2 | 17 | 6.8 | 23 | 5.9 | 24 | 26.5 | 11 | 19.6 | 13 | 14.9 | 15 | 102.7 | 5 | |
à l'extérieur | pas d'indication | 0.0 | . | 0.0 | . | 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 | . | 0.4 | 100 |
il y a =10 ans | 87.3 | 5 | 25.3 | 11 | 26.5 | 11 | 54.7 | 7 | 78.1 | 6 | 13.7 | 16 | 41.9 | 8 | 34.1 | 10 | 14.8 | 15 | 4.5 | 28 | 9.8 | 18 | 22.8 | 12 | 37.5 | 9 | 15.2 | 15 | 466.3 | 2 | |
il y a 11-20 ans | 26.4 | 11 | 6.6 | 22 | 7.7 | 21 | 16.4 | 14 | 20.6 | 12 | 11.0 | 18 | 20.3 | 13 | 13.0 | 16 | 9.5 | 19 | 5.5 | 25 | 4.9 | 27 | 13.7 | 16 | 16.2 | 15 | 7.1 | 22 | 178.8 | 4 | |
il y a 21-30 ans | 15.4 | 15 | 6.2 | 23 | 1.4 | 50 | 3.4 | 31 | 4.1 | 29 | 3.7 | 30 | 11.4 | 18 | 10.3 | 18 | 7.9 | 21 | 3.5 | 32 | 3.5 | 31 | 8.8 | 20 | 19.6 | 13 | 9.1 | 20 | 108.2 | 6 | |
il y a 31-40 ans | 7.2 | 22 | 1.0 | 57 | 2.4 | 38 | 1.0 | 57 | 3.7 | 30 | 4.1 | 29 | 4.4 | 29 | 3.5 | 32 | 6.0 | 24 | 3.3 | 33 | 2.4 | 38 | 8.1 | 21 | 16.6 | 14 | 12.9 | 16 | 76.5 | 7 | |
il y a 41-50 ans | 4.7 | 28 | 1.0 | 58 | 0.7 | 71 | 0.7 | 71 | 0.3 | 100 | 3.0 | 33 | 3.4 | 33 | 2.4 | 38 | 3.9 | 30 | 2.9 | 35 | 1.0 | 58 | 9.0 | 20 | 12.8 | 17 | 17.1 | 14 | 62.9 | 7 | |
il y a 51-100 ans | 8.4 | 20 | 2.4 | 37 | 3.0 | 33 | 0.7 | 71 | 1.3 | 50 | 5.0 | 27 | 7.3 | 22 | 7.1 | 22 | 8.3 | 20 | 5.8 | 24 | 3.4 | 32 | 27.5 | 11 | 27.5 | 11 | 63.5 | 6 | 171.5 | 4 | |
il y a >100 ans ou jamais aucune intervention | 1.8 | 45 | 0.0 | . | 0.0 | . | 0.3 | 100 | 0.3 | 100 | 2.6 | 38 | 5.6 | 26 | 2.6 | 38 | 6.7 | 23 | 4.0 | 30 | 6.4 | 23 | 13.8 | 16 | 26.0 | 12 | 33.0 | 10 | 103.0 | 6 | |
total | 151.1 | 3 | 42.6 | 8 | 41.7 | 8 | 77.2 | 6 | 108.5 | 4 | 43.6 | 8 | 94.3 | 5 | 72.9 | 6 | 57.0 | 7 | 29.5 | 11 | 31.4 | 10 | 103.6 | 5 | 156.2 | 4 | 157.8 | 3 | 1167.5 | 1 | |
total | pas d'indication | 0.0 | . | 0.0 | . | 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 | . | 0.4 | 100 |
il y a =10 ans | 90.2 | 5 | 25.3 | 11 | 26.5 | 11 | 54.7 | 7 | 78.1 | 6 | 14.7 | 15 | 43.6 | 8 | 35.4 | 9 | 17.6 | 14 | 6.0 | 24 | 12.2 | 16 | 28.4 | 11 | 40.4 | 9 | 17.4 | 14 | 490.6 | 2 | |
il y a 11-20 ans | 26.4 | 11 | 6.6 | 22 | 7.7 | 21 | 16.4 | 14 | 20.6 | 12 | 12.0 | 17 | 22.0 | 12 | 13.4 | 16 | 13.3 | 16 | 7.3 | 22 | 5.9 | 24 | 17.3 | 14 | 18.3 | 14 | 8.2 | 21 | 195.2 | 4 | |
il y a 21-30 ans | 16.1 | 14 | 6.2 | 23 | 1.4 | 50 | 3.4 | 31 | 4.1 | 29 | 3.7 | 30 | 13.0 | 16 | 10.6 | 18 | 8.2 | 20 | 4.9 | 27 | 4.2 | 29 | 13.1 | 16 | 22.8 | 12 | 10.5 | 18 | 122.2 | 5 | |
il y a 31-40 ans | 7.2 | 22 | 1.0 | 57 | 2.4 | 38 | 1.0 | 57 | 3.7 | 30 | 4.1 | 29 | 5.0 | 27 | 3.9 | 30 | 8.1 | 21 | 3.6 | 32 | 3.1 | 33 | 10.4 | 18 | 20.1 | 13 | 15.0 | 15 | 88.6 | 6 | |
il y a 41-50 ans | 5.1 | 26 | 1.0 | 58 | 0.7 | 71 | 0.7 | 71 | 0.3 | 100 | 3.0 | 33 | 3.4 | 33 | 2.4 | 38 | 4.3 | 29 | 3.2 | 33 | 1.3 | 50 | 10.3 | 19 | 14.6 | 15 | 17.4 | 14 | 67.8 | 7 | |
il y a 51-100 ans | 8.7 | 20 | 2.4 | 37 | 3.0 | 33 | 0.7 | 71 | 1.3 | 50 | 5.7 | 25 | 9.0 | 19 | 7.4 | 22 | 9.8 | 19 | 6.5 | 23 | 4.2 | 29 | 33.6 | 10 | 31.4 | 10 | 67.8 | 6 | 191.6 | 4 | |
il y a >100 ans ou jamais aucune intervention | 1.8 | 45 | 0.0 | . | 0.0 | . | 0.7 | 71 | 0.3 | 100 | 2.6 | 38 | 6.3 | 24 | 2.6 | 38 | 7.0 | 22 | 4.7 | 28 | 6.4 | 23 | 17.0 | 14 | 28.1 | 11 | 36.5 | 9 | 113.9 | 5 | |
total | 155.4 | 3 | 42.6 | 8 | 41.7 | 8 | 77.5 | 6 | 108.5 | 4 | 46.2 | 8 | 102.3 | 5 | 75.6 | 6 | 68.3 | 7 | 36.3 | 10 | 37.3 | 9 | 130.1 | 5 | 175.8 | 4 | 172.7 | 2 | 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. 1412345. Birmensdorf, Swiss Federal Research Institute WSL