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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) | surface de la plus grande trouée (5 classes) | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
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 | . |
pas de trouée (<100 m2) | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
petite trouée (100-500 m2) | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
trouée moyenne (500-1000 m2) | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
grande trouée (1000-5000 m2) | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
très grande trouée (>5000 m2) | 0.0 | . | 0.0 | . | 0.0 | . | 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 | . |
pas de trouée (<100 m2) | 0.9 | 0.5 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.5 | 1.1 | 0.3 | 0.3 | 0.8 | 0.6 | 1.5 | 0.9 | 1.2 | 1.2 | 3.1 | 1.7 | 1.7 | 0.7 | 0.7 | 0.4 | 0.7 | 0.4 | 0.8 | 0.2 | |
petite trouée (100-500 m2) | 0.9 | 0.5 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 2.2 | 1.2 | 4.6 | 1.2 | 2.3 | 1.0 | 8.5 | 2.0 | 9.1 | 3.1 | 10.1 | 3.0 | 7.6 | 1.4 | 3.5 | 0.9 | 2.9 | 0.8 | 3.3 | 0.3 | |
trouée moyenne (500-1000 m2) | 0.5 | 0.4 | 0.0 | . | 0.0 | . | 0.4 | 0.4 | 0.0 | . | 0.7 | 0.7 | 2.3 | 0.9 | 0.0 | . | 5.1 | 1.6 | 2.4 | 1.7 | 2.0 | 1.4 | 5.8 | 1.3 | 3.2 | 0.8 | 1.8 | 0.6 | 1.9 | 0.2 | |
grande trouée (1000-5000 m2) | 0.5 | 0.3 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.5 | 1.1 | 0.6 | 0.4 | 0.5 | 0.5 | 1.7 | 1.0 | 6.0 | 2.6 | 2.1 | 1.4 | 5.7 | 1.2 | 4.7 | 1.0 | 4.0 | 0.9 | 2.2 | 0.2 | |
très grande trouée (>5000 m2) | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.5 | 0.5 | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 0.2 | 0.2 | 0.0 | . | 0.1 | 0.0 | |
total | 2.8 | 0.8 | 0.0 | . | 0.0 | . | 0.4 | 0.4 | 0.0 | . | 5.8 | 2.0 | 7.8 | 1.5 | 3.6 | 1.3 | 17.4 | 2.8 | 18.7 | 4.2 | 17.2 | 3.8 | 21.2 | 2.2 | 12.3 | 1.6 | 9.4 | 1.4 | 8.3 | 0.4 | |
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 | . |
pas de trouée (<100 m2) | 34.3 | 2.3 | 44.8 | 4.5 | 35.2 | 4.3 | 25.2 | 2.9 | 36.2 | 2.7 | 26.4 | 4.0 | 22.4 | 2.5 | 28.6 | 3.1 | 24.5 | 3.2 | 20.5 | 4.3 | 28.4 | 4.5 | 18.7 | 2.1 | 15.7 | 1.7 | 34.0 | 2.1 | 27.6 | 0.7 | |
petite trouée (100-500 m2) | 42.9 | 2.4 | 39.6 | 4.4 | 39.2 | 4.5 | 48.8 | 3.3 | 48.8 | 2.8 | 32.1 | 4.2 | 38.0 | 2.9 | 41.7 | 3.4 | 32.2 | 3.4 | 25.4 | 4.7 | 26.5 | 4.5 | 25.4 | 2.3 | 26.2 | 2.1 | 32.1 | 2.2 | 35.9 | 0.8 | |
trouée moyenne (500-1000 m2) | 12.0 | 1.6 | 4.2 | 1.8 | 11.8 | 3.0 | 16.0 | 2.5 | 8.6 | 1.6 | 22.7 | 3.8 | 12.4 | 2.0 | 10.7 | 2.2 | 12.4 | 2.4 | 16.0 | 3.9 | 11.5 | 3.1 | 16.0 | 2.0 | 18.5 | 1.9 | 10.5 | 1.4 | 13.2 | 0.6 | |
grande trouée (1000-5000 m2) | 8.1 | 1.3 | 11.5 | 2.9 | 11.2 | 2.9 | 9.6 | 2.0 | 6.4 | 1.4 | 13.0 | 3.1 | 19.0 | 2.3 | 15.4 | 2.5 | 13.0 | 2.5 | 18.3 | 4.1 | 15.5 | 3.7 | 18.1 | 2.1 | 26.0 | 2.1 | 13.6 | 1.6 | 14.5 | 0.6 | |
très grande trouée (>5000 m2) | 0.0 | . | 0.0 | . | 2.5 | 1.5 | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 0.4 | 0.0 | . | 0.5 | 0.5 | 1.1 | 1.1 | 1.0 | 1.0 | 0.6 | 0.4 | 1.3 | 0.5 | 0.4 | 0.3 | 0.5 | 0.1 | |
total | 97.2 | 0.8 | 100.0 | 0.0 | 100.0 | 0.0 | 99.6 | 0.4 | 100.0 | 0.0 | 94.2 | 2.0 | 92.2 | 1.5 | 96.4 | 1.3 | 82.6 | 2.8 | 81.3 | 4.2 | 82.8 | 3.8 | 78.8 | 2.2 | 87.7 | 1.6 | 90.6 | 1.4 | 91.7 | 0.4 | |
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 | . |
pas de trouée (<100 m2) | 35.2 | 2.3 | 44.8 | 4.5 | 35.2 | 4.3 | 25.2 | 2.9 | 36.2 | 2.7 | 27.9 | 4.0 | 22.7 | 2.5 | 29.4 | 3.1 | 26.0 | 3.2 | 21.7 | 4.4 | 31.4 | 4.7 | 20.4 | 2.2 | 16.4 | 1.8 | 34.7 | 2.2 | 28.4 | 0.7 | |
petite trouée (100-500 m2) | 43.8 | 2.4 | 39.6 | 4.4 | 39.2 | 4.5 | 48.8 | 3.3 | 48.8 | 2.8 | 34.3 | 4.3 | 42.5 | 2.9 | 44.0 | 3.4 | 40.8 | 3.6 | 34.5 | 5.1 | 36.6 | 4.8 | 33.0 | 2.5 | 29.6 | 2.2 | 35.0 | 2.3 | 39.2 | 0.8 | |
trouée moyenne (500-1000 m2) | 12.5 | 1.6 | 4.2 | 1.8 | 11.8 | 3.0 | 16.4 | 2.5 | 8.6 | 1.6 | 23.4 | 3.8 | 14.7 | 2.1 | 10.7 | 2.2 | 17.5 | 2.8 | 18.4 | 4.2 | 13.5 | 3.4 | 21.8 | 2.2 | 21.7 | 2.0 | 12.3 | 1.5 | 15.1 | 0.6 | |
grande trouée (1000-5000 m2) | 8.5 | 1.3 | 11.5 | 2.9 | 11.2 | 2.9 | 9.6 | 2.0 | 6.4 | 1.4 | 14.5 | 3.2 | 19.6 | 2.3 | 15.9 | 2.6 | 14.7 | 2.6 | 24.3 | 4.6 | 17.5 | 3.9 | 23.8 | 2.3 | 30.6 | 2.2 | 17.7 | 1.8 | 16.7 | 0.6 | |
très grande trouée (>5000 m2) | 0.0 | . | 0.0 | . | 2.5 | 1.5 | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 0.4 | 0.0 | . | 1.0 | 0.7 | 1.1 | 1.1 | 1.0 | 1.0 | 0.9 | 0.5 | 1.6 | 0.6 | 0.4 | 0.3 | 0.6 | 0.1 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . |
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. 1414065. Birmensdorf, Swiss Federal Research Institute WSL