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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) | nombre de tiges/ha (DHP ≥36 cm; vifs sur pied; par classes) | 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 | . |
0-100 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
101-200 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
201-300 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
301-400 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
401-500 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
501-600 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
>600 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 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 | . |
0-100 tiges/ha | 1.8 | 44 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.0 | 58 | 3.7 | 30 | 0.7 | 72 | 5.4 | 26 | 1.4 | 50 | 2.5 | 38 | 11.0 | 18 | 7.4 | 22 | 6.7 | 22 | 41.7 | 9 | |
101-200 tiges/ha | 2.2 | 41 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.0 | 58 | 2.9 | 33 | 0.7 | 71 | 2.8 | 35 | 1.0 | 58 | 2.4 | 38 | 8.9 | 20 | 6.5 | 23 | 4.6 | 27 | 33.0 | 10 | |
201-300 tiges/ha | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.3 | 50 | 2.0 | 41 | 1.4 | 50 | 0.7 | 71 | 3.0 | 33 | 1.8 | 45 | 1.8 | 44 | 12.4 | 16 | |
301-400 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.7 | 71 | 0.0 | . | 0.0 | . | 0.7 | 71 | 0.3 | 100 | 1.0 | 58 | 0.0 | . | 0.4 | 100 | 3.2 | 33 | |
401-500 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 100 | |
501-600 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
>600 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.0 | . | 0.0 | . | 0.4 | 100 | |
total | 4.4 | 28 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.9 | 41 | 7.4 | 21 | 2.7 | 35 | 10.6 | 18 | 4.6 | 28 | 5.9 | 24 | 24.3 | 12 | 15.7 | 15 | 13.6 | 15 | 90.9 | 6 | |
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 | . |
0-100 tiges/ha | 73.0 | 5 | 23.1 | 11 | 20.7 | 12 | 46.2 | 8 | 63.1 | 6 | 19.0 | 13 | 46.9 | 8 | 29.0 | 11 | 25.3 | 11 | 8.3 | 20 | 11.2 | 17 | 47.5 | 8 | 58.3 | 7 | 77.1 | 5 | 548.9 | 2 | |
101-200 tiges/ha | 56.5 | 6 | 15.3 | 14 | 13.5 | 15 | 21.6 | 12 | 35.2 | 9 | 10.4 | 18 | 29.9 | 10 | 20.3 | 12 | 12.0 | 17 | 6.6 | 23 | 6.4 | 23 | 19.8 | 13 | 34.9 | 9 | 24.2 | 11 | 306.6 | 3 | |
201-300 tiges/ha | 12.4 | 16 | 3.1 | 33 | 4.7 | 26 | 7.0 | 21 | 5.7 | 24 | 5.3 | 25 | 8.3 | 20 | 14.5 | 15 | 3.7 | 30 | 2.4 | 38 | 3.3 | 31 | 3.3 | 31 | 8.7 | 20 | 5.5 | 25 | 87.8 | 6 | |
301-400 tiges/ha | 1.4 | 50 | 0.0 | . | 0.7 | 71 | 0.7 | 71 | 1.3 | 50 | 1.3 | 50 | 1.8 | 45 | 2.0 | 41 | 1.0 | 58 | 0.0 | . | 0.3 | 100 | 0.4 | 100 | 1.8 | 45 | 0.4 | 100 | 12.9 | 16 | |
401-500 tiges/ha | 0.0 | . | 0.0 | . | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.3 | 100 | 0.4 | 100 | 0.0 | . | 0.7 | 71 | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 2.0 | 41 | |
501-600 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
>600 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 100 | |
total | 143.4 | 3 | 41.6 | 8 | 39.9 | 9 | 75.8 | 6 | 105.3 | 4 | 36.3 | 9 | 87.2 | 5 | 65.9 | 6 | 42.7 | 9 | 17.6 | 14 | 21.1 | 12 | 71.1 | 6 | 103.6 | 5 | 107.1 | 3 | 958.6 | 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 | . |
0-100 tiges/ha | 74.9 | 5 | 23.1 | 11 | 20.7 | 12 | 46.2 | 8 | 63.1 | 6 | 19.9 | 13 | 50.6 | 7 | 29.7 | 11 | 30.7 | 10 | 9.8 | 19 | 13.7 | 16 | 58.5 | 7 | 65.7 | 7 | 83.8 | 4 | 590.6 | 2 | |
101-200 tiges/ha | 58.7 | 6 | 15.3 | 14 | 13.5 | 15 | 21.6 | 12 | 35.2 | 9 | 11.4 | 17 | 32.8 | 9 | 21.0 | 12 | 14.8 | 15 | 7.6 | 21 | 8.7 | 19 | 28.7 | 11 | 41.4 | 9 | 28.8 | 10 | 339.6 | 3 | |
201-300 tiges/ha | 12.8 | 16 | 3.1 | 33 | 4.7 | 26 | 7.0 | 21 | 5.7 | 24 | 5.3 | 25 | 8.3 | 20 | 15.8 | 14 | 5.7 | 24 | 3.8 | 30 | 3.9 | 28 | 6.4 | 23 | 10.4 | 18 | 7.3 | 22 | 100.1 | 5 | |
301-400 tiges/ha | 1.4 | 50 | 0.0 | . | 0.7 | 71 | 0.7 | 71 | 1.3 | 50 | 1.3 | 50 | 2.5 | 38 | 2.0 | 41 | 1.0 | 58 | 0.7 | 71 | 0.6 | 70 | 1.4 | 50 | 1.8 | 45 | 0.7 | 71 | 16.1 | 14 | |
401-500 tiges/ha | 0.0 | . | 0.0 | . | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.3 | 100 | 0.4 | 100 | 0.0 | . | 1.0 | 58 | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 2.3 | 38 | |
501-600 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
>600 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.0 | . | 0.0 | . | 0.7 | 71 | |
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. 1396077. Birmensdorf, Swiss Federal Research Institute WSL