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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 ≥24 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 | 2.8 | 35 | 0.3 | 100 | 0.4 | 100 | 0.7 | 71 | 0.7 | 71 | 0.8 | 71 | 0.9 | 70 | 0.4 | 100 | 1.4 | 50 | 0.4 | 100 | 1.1 | 58 | 6.8 | 23 | 5.2 | 26 | 8.5 | 20 | 30.3 | 11 | |
101-200 tiges/ha | 1.7 | 45 | 1.0 | 58 | 0.0 | . | 0.3 | 100 | 0.0 | . | 1.1 | 58 | 1.3 | 50 | 2.9 | 35 | 2.4 | 38 | 1.1 | 58 | 0.3 | 100 | 9.6 | 19 | 3.9 | 30 | 5.9 | 25 | 31.6 | 10 | |
201-300 tiges/ha | 5.3 | 25 | 0.0 | . | 0.0 | . | 1.0 | 58 | 1.0 | 58 | 1.1 | 58 | 1.3 | 50 | 1.8 | 44 | 3.1 | 33 | 1.8 | 45 | 1.0 | 58 | 7.4 | 22 | 3.5 | 32 | 6.2 | 24 | 34.5 | 10 | |
301-400 tiges/ha | 2.5 | 38 | 0.7 | 71 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 100 | 1.3 | 50 | 1.3 | 50 | 1.0 | 58 | 0.7 | 71 | 2.5 | 38 | 2.9 | 35 | 2.9 | 35 | 16.1 | 15 | |
401-500 tiges/ha | 0.3 | 100 | 0.3 | 100 | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.8 | 71 | 1.1 | 58 | 0.7 | 71 | 0.3 | 100 | 0.0 | . | 1.8 | 45 | 2.2 | 41 | 1.9 | 44 | 9.8 | 19 | |
501-600 tiges/ha | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.4 | 100 | 1.0 | 58 | 0.6 | 70 | 1.1 | 58 | 0.3 | 100 | 0.4 | 100 | 0.0 | . | 0.7 | 71 | 5.2 | 26 | |
>600 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 100 | 0.7 | 71 | 0.4 | 100 | 0.4 | 100 | 0.8 | 70 | 2.5 | 38 | |
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 | 5.9 | 24 | 4.0 | 29 | 28.8 | 11 | 18.0 | 14 | 27.0 | 11 | 130.2 | 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 | . |
0-100 tiges/ha | 32.2 | 9 | 9.9 | 18 | 12.1 | 16 | 22.1 | 12 | 35.8 | 9 | 11.1 | 18 | 21.3 | 12 | 13.8 | 16 | 18.1 | 14 | 8.2 | 21 | 10.5 | 18 | 37.1 | 9 | 45.4 | 8 | 49.1 | 7 | 326.7 | 3 | |
101-200 tiges/ha | 40.2 | 8 | 11.8 | 16 | 11.4 | 17 | 27.0 | 11 | 28.1 | 10 | 10.2 | 18 | 32.0 | 10 | 12.8 | 17 | 10.2 | 18 | 4.8 | 27 | 7.0 | 22 | 22.2 | 12 | 37.7 | 9 | 31.3 | 10 | 286.6 | 3 | |
201-300 tiges/ha | 34.4 | 9 | 12.2 | 16 | 7.1 | 21 | 13.5 | 15 | 23.2 | 11 | 6.9 | 22 | 20.1 | 13 | 15.1 | 15 | 12.9 | 16 | 3.6 | 31 | 5.8 | 24 | 10.6 | 18 | 24.3 | 12 | 21.2 | 12 | 211.0 | 4 | |
301-400 tiges/ha | 19.3 | 13 | 2.1 | 41 | 7.1 | 21 | 7.1 | 21 | 13.5 | 15 | 4.1 | 27 | 9.9 | 18 | 11.8 | 17 | 4.2 | 29 | 4.0 | 29 | 1.3 | 50 | 9.6 | 19 | 13.7 | 16 | 14.3 | 15 | 122.1 | 5 | |
401-500 tiges/ha | 7.1 | 22 | 3.1 | 33 | 1.0 | 58 | 2.4 | 38 | 4.4 | 27 | 3.7 | 30 | 5.7 | 25 | 6.9 | 22 | 3.7 | 30 | 0.7 | 71 | 1.6 | 45 | 5.0 | 27 | 6.0 | 24 | 7.0 | 22 | 58.3 | 8 | |
501-600 tiges/ha | 4.0 | 30 | 0.7 | 71 | 1.3 | 50 | 0.7 | 71 | 0.7 | 71 | 1.3 | 50 | 4.3 | 29 | 1.7 | 45 | 1.8 | 45 | 0.4 | 100 | 1.0 | 58 | 1.0 | 58 | 2.9 | 35 | 1.4 | 50 | 23.1 | 12 | |
>600 tiges/ha | 2.1 | 41 | 0.3 | 100 | 0.7 | 71 | 1.4 | 50 | 0.7 | 71 | 1.9 | 41 | 2.4 | 38 | 3.3 | 31 | 0.7 | 71 | 1.0 | 58 | 0.6 | 70 | 1.8 | 45 | 0.3 | 100 | 1.1 | 58 | 18.4 | 13 | |
total | 139.4 | 3 | 40.2 | 8 | 40.7 | 8 | 74.0 | 6 | 106.4 | 4 | 39.1 | 9 | 95.7 | 5 | 65.4 | 6 | 51.6 | 8 | 22.8 | 12 | 27.8 | 11 | 87.3 | 6 | 130.3 | 5 | 125.5 | 3 | 1046.3 | 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 | 35.0 | 9 | 10.3 | 18 | 12.5 | 16 | 22.8 | 11 | 36.6 | 9 | 11.9 | 17 | 22.2 | 12 | 14.3 | 16 | 19.5 | 13 | 8.5 | 20 | 11.6 | 17 | 43.8 | 9 | 50.6 | 8 | 57.6 | 6 | 357.1 | 3 | |
101-200 tiges/ha | 41.9 | 8 | 12.9 | 16 | 11.4 | 17 | 27.3 | 11 | 28.1 | 10 | 11.2 | 17 | 33.3 | 10 | 15.7 | 15 | 12.6 | 16 | 5.9 | 24 | 7.3 | 22 | 31.7 | 10 | 41.6 | 9 | 37.2 | 9 | 318.3 | 3 | |
201-300 tiges/ha | 39.8 | 8 | 12.2 | 16 | 7.1 | 21 | 14.5 | 15 | 24.3 | 11 | 8.0 | 20 | 21.4 | 12 | 16.8 | 14 | 16.0 | 14 | 5.4 | 26 | 6.8 | 22 | 18.0 | 14 | 27.9 | 11 | 27.5 | 10 | 245.5 | 3 | |
301-400 tiges/ha | 21.8 | 12 | 2.8 | 35 | 7.1 | 21 | 7.1 | 21 | 13.5 | 15 | 4.1 | 27 | 10.3 | 18 | 13.1 | 16 | 5.5 | 25 | 5.0 | 26 | 2.0 | 41 | 12.1 | 17 | 16.5 | 14 | 17.3 | 14 | 138.2 | 5 | |
401-500 tiges/ha | 7.4 | 21 | 3.5 | 31 | 1.3 | 50 | 2.4 | 38 | 4.4 | 27 | 3.7 | 30 | 6.5 | 24 | 8.0 | 21 | 4.5 | 28 | 1.0 | 58 | 1.6 | 45 | 6.8 | 23 | 8.2 | 21 | 8.9 | 20 | 68.1 | 7 | |
501-600 tiges/ha | 4.4 | 29 | 0.7 | 71 | 1.3 | 50 | 0.7 | 71 | 0.7 | 71 | 1.6 | 45 | 4.7 | 28 | 2.7 | 35 | 2.4 | 38 | 1.5 | 50 | 1.4 | 50 | 1.4 | 50 | 2.9 | 35 | 2.2 | 41 | 28.4 | 11 | |
>600 tiges/ha | 2.1 | 41 | 0.3 | 100 | 0.7 | 71 | 1.4 | 50 | 0.7 | 71 | 1.9 | 41 | 2.4 | 38 | 3.3 | 31 | 0.7 | 71 | 1.4 | 50 | 1.3 | 50 | 2.2 | 41 | 0.7 | 71 | 1.9 | 44 | 20.9 | 13 | |
total | 152.5 | 3 | 42.6 | 8 | 41.4 | 8 | 76.1 | 6 | 108.2 | 4 | 42.4 | 8 | 100.8 | 5 | 73.9 | 6 | 61.1 | 7 | 28.7 | 11 | 31.9 | 10 | 116.0 | 5 | 148.4 | 4 | 152.5 | 2 | 1176.4 | 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. 1202228. Birmensdorf, Swiss Federal Research Institute WSL