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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) | 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 | 6.9 | 17 | 1.2 | 41 | 0.8 | 50 | 1.0 | 45 | 0.8 | 50 | 1.6 | 35 | 2.7 | 28 | 2.8 | 28 | 4.1 | 22 | 3.0 | 26 | 1.8 | 33 | 14.6 | 11 | 9.9 | 14 | 20.9 | 9 | 72.1 | 5 | |
101-200 tiges/ha | 4.7 | 20 | 0.4 | 71 | 0.2 | 100 | 0.6 | 58 | 0.8 | 50 | 1.3 | 38 | 2.1 | 32 | 2.1 | 31 | 2.5 | 28 | 1.4 | 38 | 1.7 | 33 | 9.3 | 14 | 5.7 | 18 | 4.1 | 22 | 37.0 | 7 | |
201-300 tiges/ha | 1.0 | 45 | 0.4 | 71 | 0.0 | . | 0.6 | 58 | 0.0 | . | 0.2 | 100 | 0.8 | 50 | 2.0 | 32 | 1.1 | 41 | 0.4 | 71 | 0.2 | 100 | 1.4 | 38 | 1.6 | 35 | 0.8 | 50 | 10.4 | 14 | |
301-400 tiges/ha | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 71 | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.2 | 100 | 0.2 | 100 | 0.4 | 71 | 0.4 | 71 | 0.2 | 100 | 2.2 | 30 | |
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 | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 71 | |
>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 | 13.0 | 12 | 1.9 | 32 | 1.0 | 45 | 2.2 | 30 | 1.6 | 35 | 3.6 | 23 | 5.6 | 19 | 7.0 | 17 | 8.0 | 15 | 4.9 | 20 | 3.9 | 22 | 25.7 | 8 | 17.6 | 10 | 26.1 | 8 | 122.0 | 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 | . |
0-100 tiges/ha | 83.0 | 4 | 23.1 | 9 | 24.4 | 8 | 30.2 | 7 | 57.4 | 5 | 19.2 | 10 | 45.3 | 6 | 30.2 | 8 | 27.1 | 8 | 12.3 | 13 | 16.3 | 11 | 59.9 | 5 | 78.1 | 5 | 90.2 | 3 | 596.7 | 1 | |
101-200 tiges/ha | 48.8 | 6 | 14.6 | 11 | 13.0 | 12 | 28.0 | 8 | 35.4 | 7 | 10.9 | 13 | 33.5 | 7 | 22.7 | 9 | 14.1 | 12 | 5.5 | 19 | 6.8 | 17 | 15.9 | 11 | 31.1 | 8 | 17.3 | 10 | 297.7 | 2 | |
201-300 tiges/ha | 8.2 | 15 | 2.8 | 26 | 7.7 | 16 | 8.6 | 15 | 13.6 | 12 | 6.8 | 17 | 12.7 | 12 | 9.5 | 14 | 3.5 | 23 | 1.5 | 35 | 3.0 | 24 | 4.5 | 21 | 8.4 | 15 | 2.6 | 28 | 93.6 | 4 | |
301-400 tiges/ha | 1.0 | 45 | 0.6 | 58 | 1.0 | 45 | 1.6 | 35 | 1.4 | 38 | 0.8 | 50 | 2.5 | 29 | 2.1 | 32 | 1.0 | 45 | 0.4 | 71 | 0.6 | 58 | 0.4 | 71 | 1.6 | 35 | 0.4 | 71 | 15.3 | 11 | |
401-500 tiges/ha | 0.2 | 100 | 0.0 | . | 0.4 | 71 | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.8 | 50 | 1.0 | 45 | 0.6 | 58 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 3.2 | 25 | |
501-600 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.2 | 100 | 0.2 | 100 | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.0 | . | 1.0 | 45 | |
>600 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | |
total | 141.3 | 2 | 41.1 | 6 | 46.5 | 6 | 68.6 | 5 | 108.1 | 3 | 38.0 | 7 | 95.0 | 4 | 65.6 | 5 | 46.4 | 6 | 19.7 | 10 | 26.7 | 8 | 81.0 | 4 | 119.1 | 4 | 110.5 | 3 | 1007.7 | 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 | 89.9 | 3 | 24.3 | 8 | 25.2 | 8 | 31.2 | 7 | 58.2 | 5 | 20.8 | 9 | 48.0 | 6 | 32.9 | 7 | 31.3 | 8 | 15.3 | 11 | 18.1 | 10 | 74.5 | 5 | 88.0 | 4 | 111.1 | 3 | 668.8 | 1 | |
101-200 tiges/ha | 53.5 | 5 | 15.0 | 11 | 13.2 | 12 | 28.6 | 8 | 36.2 | 7 | 12.2 | 12 | 35.6 | 7 | 24.7 | 8 | 16.6 | 11 | 6.9 | 17 | 8.5 | 15 | 25.3 | 8 | 36.8 | 7 | 21.4 | 9 | 334.7 | 2 | |
201-300 tiges/ha | 9.2 | 14 | 3.1 | 25 | 7.7 | 16 | 9.2 | 14 | 13.6 | 12 | 7.0 | 17 | 13.5 | 12 | 11.5 | 13 | 4.7 | 20 | 1.9 | 31 | 3.2 | 24 | 5.9 | 18 | 9.9 | 14 | 3.5 | 24 | 104.1 | 4 | |
301-400 tiges/ha | 1.2 | 41 | 0.6 | 58 | 1.0 | 45 | 1.6 | 35 | 1.4 | 38 | 1.2 | 41 | 2.5 | 29 | 2.3 | 30 | 1.0 | 45 | 0.6 | 58 | 0.8 | 50 | 0.8 | 50 | 1.9 | 32 | 0.6 | 58 | 17.4 | 11 | |
401-500 tiges/ha | 0.2 | 100 | 0.0 | . | 0.4 | 71 | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.8 | 50 | 1.0 | 45 | 0.6 | 58 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 3.2 | 25 | |
501-600 tiges/ha | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.2 | 100 | 0.2 | 100 | 0.2 | 100 | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.0 | . | 1.3 | 38 | |
>600 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | |
total | 154.2 | 2 | 43.0 | 6 | 47.5 | 6 | 70.8 | 4 | 109.7 | 3 | 41.6 | 6 | 100.6 | 3 | 72.7 | 4 | 54.4 | 6 | 24.7 | 9 | 30.6 | 8 | 106.7 | 4 | 136.7 | 3 | 136.6 | 2 | 1129.7 | 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. 1248204. Birmensdorf, Swiss Federal Research Institute WSL