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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 | 8.5 | 20 | 1.4 | 50 | 0.4 | 100 | 1.7 | 45 | 1.7 | 45 | 1.8 | 45 | 2.9 | 36 | 4.2 | 29 | 3.4 | 32 | 1.7 | 45 | 2.8 | 35 | 9.3 | 19 | 4.2 | 29 | 5.0 | 26 | 49.0 | 8 | |
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 | 2.7 | 35 | 1.4 | 50 | 0.3 | 100 | 5.4 | 26 | 3.2 | 33 | 3.3 | 33 | 21.9 | 13 | |
il y a 21-30 ans | 2.1 | 41 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.4 | 100 | 1.4 | 50 | 0.6 | 70 | 1.4 | 50 | 0.3 | 100 | 2.1 | 41 | 4.0 | 30 | 2.2 | 41 | 14.9 | 15 | |
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 | 2.1 | 41 | 2.1 | 40 | 8.0 | 21 | |
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 | 0.7 | 71 | 2.9 | 35 | 0.7 | 71 | 6.8 | 23 | |
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 | 0.7 | 71 | 0.4 | 100 | 6.0 | 24 | 1.5 | 50 | 12.9 | 16 | 25.7 | 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 | 0.7 | 71 | 0.4 | 100 | 4.3 | 29 | 2.0 | 41 | 2.5 | 38 | 11.5 | 17 | |
total | 14.1 | 15 | 2.4 | 38 | 0.7 | 71 | 2.0 | 41 | 1.7 | 45 | 3.3 | 33 | 5.1 | 27 | 8.5 | 20 | 10.5 | 18 | 6.6 | 23 | 4.4 | 28 | 29.8 | 10 | 19.8 | 13 | 28.7 | 10 | 137.8 | 5 | |
à l'extérieur | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.0 | . | 0.0 | . | 0.7 | 71 | 0.0 | . | 0.7 | 71 | 0.7 | 71 | 0.4 | 100 | 1.4 | 50 | 4.3 | 29 |
il y a =10 ans | 82.1 | 5 | 23.9 | 11 | 26.1 | 11 | 53.0 | 7 | 76.4 | 6 | 13.2 | 16 | 41.0 | 9 | 31.2 | 10 | 14.2 | 16 | 4.6 | 28 | 9.5 | 19 | 19.4 | 13 | 36.2 | 9 | 12.7 | 16 | 443.7 | 2 | |
il y a 11-20 ans | 24.6 | 11 | 5.9 | 24 | 7.7 | 21 | 16.0 | 14 | 20.6 | 12 | 11.7 | 17 | 21.7 | 12 | 11.5 | 18 | 10.9 | 18 | 5.9 | 24 | 5.6 | 25 | 12.3 | 17 | 15.0 | 15 | 5.2 | 26 | 174.7 | 4 | |
il y a 21-30 ans | 13.9 | 16 | 6.2 | 23 | 1.4 | 50 | 3.4 | 31 | 4.1 | 29 | 3.2 | 31 | 13.3 | 16 | 9.2 | 20 | 7.6 | 21 | 3.6 | 32 | 3.9 | 30 | 11.3 | 18 | 18.9 | 14 | 8.7 | 20 | 108.7 | 5 | |
il y a 31-40 ans | 6.5 | 23 | 1.0 | 57 | 2.4 | 38 | 1.0 | 57 | 3.7 | 30 | 4.1 | 29 | 5.3 | 26 | 3.9 | 30 | 7.4 | 22 | 4.0 | 30 | 3.5 | 32 | 8.4 | 20 | 18.4 | 14 | 13.5 | 16 | 83.1 | 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 | 3.0 | 35 | 1.7 | 45 | 3.9 | 30 | 2.5 | 38 | 1.0 | 58 | 9.7 | 19 | 13.1 | 16 | 17.1 | 14 | 62.7 | 7 | |
il y a 51-100 ans | 8.4 | 20 | 2.1 | 40 | 2.7 | 35 | 0.7 | 71 | 1.3 | 50 | 4.9 | 27 | 9.0 | 19 | 7.5 | 22 | 9.0 | 20 | 7.6 | 21 | 3.8 | 30 | 29.8 | 11 | 31.0 | 11 | 59.6 | 7 | 177.4 | 4 | |
il y a >100 ans ou jamais aucune intervention | 1.8 | 45 | 0.0 | . | 0.3 | 100 | 1.0 | 58 | 0.3 | 100 | 4.0 | 30 | 6.6 | 24 | 4.2 | 30 | 8.2 | 21 | 6.1 | 24 | 8.9 | 20 | 16.7 | 14 | 29.9 | 11 | 46.8 | 8 | 134.8 | 5 | |
total | 142.4 | 3 | 40.2 | 8 | 41.4 | 8 | 75.8 | 6 | 106.8 | 4 | 44.5 | 8 | 100.0 | 5 | 69.1 | 6 | 61.9 | 7 | 34.2 | 10 | 36.8 | 9 | 108.2 | 5 | 163.0 | 4 | 165.0 | 3 | 1189.3 | 1 | |
total | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.0 | . | 0.0 | . | 0.7 | 71 | 0.0 | . | 0.7 | 71 | 0.7 | 71 | 0.4 | 100 | 1.4 | 50 | 4.3 | 29 |
il y a =10 ans | 90.5 | 5 | 25.3 | 11 | 26.5 | 11 | 54.7 | 7 | 78.1 | 6 | 15.0 | 15 | 44.0 | 8 | 35.4 | 9 | 17.6 | 14 | 6.4 | 23 | 12.2 | 16 | 28.7 | 11 | 40.4 | 9 | 17.7 | 13 | 492.7 | 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 | 22.4 | 12 | 13.4 | 16 | 13.6 | 16 | 7.3 | 22 | 5.9 | 24 | 17.7 | 14 | 18.3 | 14 | 8.5 | 20 | 196.7 | 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 | 13.7 | 16 | 10.6 | 18 | 8.2 | 20 | 4.9 | 27 | 4.2 | 29 | 13.4 | 16 | 22.8 | 12 | 10.9 | 18 | 123.5 | 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 | 5.3 | 26 | 3.9 | 30 | 8.4 | 20 | 4.0 | 30 | 3.5 | 32 | 10.4 | 18 | 20.5 | 13 | 15.7 | 14 | 91.1 | 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 | 16.0 | 15 | 17.7 | 14 | 69.6 | 7 | |
il y a 51-100 ans | 9.1 | 19 | 2.4 | 37 | 3.0 | 33 | 0.7 | 71 | 1.3 | 50 | 5.7 | 25 | 9.0 | 19 | 7.8 | 21 | 10.8 | 18 | 8.3 | 20 | 4.2 | 29 | 35.7 | 10 | 32.5 | 10 | 72.4 | 6 | 203.0 | 4 | |
il y a >100 ans ou jamais aucune intervention | 2.1 | 41 | 0.0 | . | 0.3 | 100 | 1.0 | 58 | 0.3 | 100 | 4.0 | 30 | 7.3 | 22 | 4.2 | 30 | 8.8 | 20 | 6.8 | 23 | 9.2 | 20 | 21.0 | 13 | 32.0 | 10 | 49.3 | 7 | 146.3 | 5 | |
total | 156.5 | 3 | 42.6 | 8 | 42.1 | 8 | 77.8 | 6 | 108.5 | 4 | 47.8 | 8 | 105.1 | 5 | 77.6 | 6 | 72.4 | 7 | 40.9 | 9 | 41.2 | 9 | 138.0 | 4 | 182.8 | 4 | 193.6 | 2 | 1327.1 | 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. 1413980. Birmensdorf, Swiss Federal Research Institute WSL