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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 | 1.8 | 45 | 2.9 | 36 | 4.2 | 29 | 2.8 | 35 | 1.7 | 45 | 2.8 | 35 | 9.3 | 19 | 4.2 | 29 | 5.0 | 26 | 47.3 | 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 | 2.4 | 38 | 1.4 | 50 | 0.3 | 100 | 5.4 | 26 | 3.2 | 33 | 3.3 | 33 | 21.6 | 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 | 1.0 | 58 | 0.3 | 100 | 2.1 | 41 | 4.0 | 30 | 1.8 | 45 | 14.2 | 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 | 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 | 12.6 | 16 | 25.3 | 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 | 0.0 | . | 3.9 | 30 | 1.3 | 50 | 1.8 | 45 | 9.4 | 19 | |
total | 13.0 | 16 | 2.4 | 38 | 0.7 | 71 | 2.0 | 41 | 1.7 | 45 | 3.3 | 33 | 5.1 | 27 | 8.5 | 20 | 9.6 | 19 | 6.3 | 23 | 4.0 | 29 | 29.5 | 11 | 19.1 | 13 | 27.3 | 11 | 132.7 | 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 | 80.6 | 5 | 23.9 | 11 | 26.1 | 11 | 52.6 | 7 | 76.0 | 6 | 12.6 | 16 | 40.7 | 9 | 30.6 | 10 | 14.2 | 16 | 4.3 | 29 | 9.5 | 19 | 17.6 | 14 | 35.5 | 10 | 11.7 | 17 | 435.9 | 2 | |
il y a 11-20 ans | 24.3 | 12 | 5.9 | 24 | 7.7 | 21 | 16.0 | 14 | 20.6 | 12 | 11.3 | 18 | 21.4 | 13 | 11.5 | 18 | 10.2 | 18 | 5.2 | 26 | 5.2 | 26 | 11.6 | 17 | 15.0 | 15 | 4.9 | 27 | 170.8 | 4 | |
il y a 21-30 ans | 13.6 | 16 | 6.2 | 23 | 1.4 | 50 | 3.4 | 31 | 4.1 | 29 | 3.2 | 31 | 12.6 | 16 | 9.2 | 20 | 6.9 | 22 | 3.6 | 32 | 3.5 | 32 | 10.2 | 18 | 17.8 | 14 | 8.0 | 21 | 103.6 | 6 | |
il y a 31-40 ans | 6.5 | 23 | 1.0 | 57 | 2.0 | 41 | 1.0 | 57 | 3.7 | 30 | 4.1 | 29 | 5.0 | 27 | 3.9 | 30 | 6.7 | 23 | 3.3 | 33 | 3.1 | 33 | 6.6 | 23 | 17.3 | 14 | 11.8 | 17 | 76.0 | 7 | |
il y a 41-50 ans | 5.1 | 26 | 1.0 | 58 | 0.7 | 71 | 0.3 | 100 | 0.3 | 100 | 3.0 | 33 | 3.0 | 35 | 1.7 | 45 | 3.9 | 30 | 2.5 | 38 | 1.0 | 58 | 8.9 | 20 | 11.3 | 18 | 16.7 | 14 | 59.5 | 8 | |
il y a 51-100 ans | 8.1 | 20 | 2.1 | 40 | 2.7 | 35 | 0.7 | 71 | 1.3 | 50 | 4.9 | 27 | 8.3 | 20 | 7.1 | 22 | 7.3 | 22 | 5.5 | 25 | 3.4 | 32 | 26.9 | 11 | 30.0 | 11 | 54.9 | 7 | 163.0 | 4 | |
il y a >100 ans ou jamais aucune intervention | 1.4 | 50 | 0.0 | . | 0.0 | . | 0.3 | 100 | 0.3 | 100 | 1.8 | 45 | 5.6 | 26 | 2.6 | 38 | 6.1 | 24 | 3.2 | 33 | 5.7 | 25 | 12.7 | 16 | 22.8 | 12 | 33.7 | 9 | 96.2 | 6 | |
total | 139.4 | 3 | 40.2 | 8 | 40.7 | 8 | 74.4 | 6 | 106.4 | 4 | 41.0 | 9 | 96.5 | 5 | 66.4 | 6 | 55.2 | 8 | 27.5 | 11 | 31.4 | 10 | 94.5 | 6 | 149.8 | 4 | 141.6 | 3 | 1105.1 | 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 | 88.0 | 5 | 25.3 | 11 | 26.5 | 11 | 54.3 | 7 | 77.8 | 6 | 14.4 | 15 | 43.6 | 8 | 34.8 | 9 | 17.0 | 14 | 6.0 | 24 | 12.2 | 16 | 26.9 | 11 | 39.7 | 9 | 16.7 | 14 | 483.2 | 2 | |
il y a 11-20 ans | 26.0 | 11 | 6.6 | 22 | 7.7 | 21 | 16.4 | 14 | 20.6 | 12 | 11.7 | 17 | 22.0 | 12 | 13.4 | 16 | 12.6 | 17 | 6.5 | 23 | 5.5 | 25 | 16.9 | 14 | 18.3 | 14 | 8.2 | 21 | 192.3 | 4 | |
il y a 21-30 ans | 15.7 | 15 | 6.2 | 23 | 1.4 | 50 | 3.4 | 31 | 4.1 | 29 | 3.7 | 30 | 13.0 | 16 | 10.6 | 18 | 7.5 | 21 | 4.6 | 28 | 3.8 | 30 | 12.3 | 17 | 21.7 | 13 | 9.8 | 19 | 117.8 | 5 | |
il y a 31-40 ans | 7.2 | 22 | 1.0 | 57 | 2.0 | 41 | 1.0 | 57 | 3.7 | 30 | 4.1 | 29 | 5.0 | 27 | 3.9 | 30 | 7.7 | 21 | 3.3 | 33 | 3.1 | 33 | 8.7 | 20 | 19.4 | 13 | 13.9 | 15 | 84.0 | 6 | |
il y a 41-50 ans | 5.1 | 26 | 1.0 | 58 | 0.7 | 71 | 0.3 | 100 | 0.3 | 100 | 3.0 | 33 | 3.4 | 33 | 2.4 | 38 | 4.3 | 29 | 3.2 | 33 | 1.3 | 50 | 9.6 | 19 | 14.2 | 16 | 17.4 | 14 | 66.4 | 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 | 8.3 | 20 | 7.4 | 22 | 9.1 | 20 | 6.2 | 24 | 3.8 | 30 | 32.9 | 10 | 31.4 | 10 | 67.4 | 6 | 188.4 | 4 | |
il y a >100 ans ou jamais aucune intervention | 1.8 | 45 | 0.0 | . | 0.0 | . | 0.3 | 100 | 0.3 | 100 | 1.8 | 45 | 6.3 | 24 | 2.6 | 38 | 6.7 | 23 | 4.0 | 30 | 5.7 | 25 | 16.6 | 14 | 24.1 | 12 | 35.5 | 9 | 105.6 | 5 | |
total | 152.5 | 3 | 42.6 | 8 | 41.4 | 8 | 76.5 | 6 | 108.2 | 4 | 44.3 | 8 | 101.6 | 5 | 75.0 | 6 | 64.7 | 7 | 33.7 | 10 | 35.5 | 9 | 124.0 | 5 | 168.9 | 4 | 168.9 | 2 | 1237.7 | 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. 1413965. Birmensdorf, Swiss Federal Research Institute WSL