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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 ≥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 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.0 | 45 | 0.9 | 50 | 0.2 | 100 | 4.0 | 22 | 0.8 | 50 | 1.4 | 38 | 4.9 | 20 | 5.1 | 20 | 2.9 | 25 | 21.2 | 10 | |
101-200 tiges/ha | 1.0 | 45 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.9 | 45 | 2.5 | 28 | 1.0 | 45 | 2.0 | 32 | 1.0 | 45 | 1.9 | 32 | 6.9 | 17 | 5.7 | 18 | 4.4 | 21 | 27.3 | 8 | |
201-300 tiges/ha | 1.7 | 35 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.5 | 58 | 1.3 | 38 | 0.2 | 100 | 2.4 | 29 | 1.8 | 33 | 1.2 | 41 | 6.3 | 17 | 4.5 | 21 | 3.7 | 23 | 23.5 | 9 | |
301-400 tiges/ha | 0.8 | 50 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.2 | 41 | 0.6 | 58 | 0.8 | 50 | 1.2 | 41 | 0.8 | 50 | 0.4 | 71 | 3.1 | 25 | 3.2 | 25 | 1.0 | 44 | 12.9 | 12 | |
401-500 tiges/ha | 0.8 | 50 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.8 | 50 | 0.4 | 71 | 1.0 | 45 | 0.2 | 100 | 0.0 | . | 1.6 | 35 | 1.0 | 45 | 1.2 | 41 | 7.0 | 17 | |
501-600 tiges/ha | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 71 | 0.2 | 100 | 0.0 | . | 0.6 | 58 | 0.4 | 71 | 0.8 | 50 | 1.2 | 41 | 0.2 | 100 | 0.4 | 71 | 4.3 | 21 | |
>600 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.2 | 100 | 0.2 | 100 | 0.0 | . | 0.2 | 100 | 0.6 | 58 | 1.0 | 45 | 0.0 | . | 0.4 | 71 | 2.7 | 27 | |
total | 4.5 | 21 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 4.2 | 21 | 6.5 | 17 | 2.8 | 27 | 11.1 | 13 | 5.1 | 19 | 6.2 | 18 | 25.0 | 9 | 19.7 | 10 | 13.9 | 11 | 98.9 | 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 | 36.1 | 7 | 11.1 | 13 | 14.6 | 11 | 21.7 | 9 | 37.9 | 6 | 9.3 | 14 | 25.6 | 8 | 16.9 | 11 | 16.5 | 11 | 7.2 | 17 | 11.1 | 13 | 39.9 | 7 | 47.0 | 6 | 56.9 | 5 | 351.7 | 2 | |
101-200 tiges/ha | 41.0 | 6 | 12.8 | 12 | 13.5 | 12 | 24.8 | 8 | 28.0 | 8 | 9.3 | 14 | 28.4 | 8 | 18.5 | 10 | 11.1 | 13 | 4.0 | 22 | 5.3 | 19 | 26.4 | 8 | 32.9 | 7 | 38.0 | 6 | 293.9 | 2 | |
201-300 tiges/ha | 40.4 | 6 | 12.2 | 12 | 8.5 | 15 | 14.3 | 11 | 25.5 | 8 | 8.1 | 15 | 21.0 | 9 | 14.8 | 11 | 10.2 | 14 | 4.8 | 20 | 5.2 | 19 | 13.3 | 12 | 26.5 | 8 | 25.7 | 8 | 230.4 | 3 | |
301-400 tiges/ha | 20.5 | 9 | 4.5 | 21 | 7.0 | 16 | 5.5 | 19 | 12.4 | 12 | 4.8 | 20 | 11.0 | 13 | 10.9 | 13 | 4.5 | 21 | 3.3 | 24 | 2.1 | 30 | 9.6 | 14 | 15.3 | 11 | 12.9 | 12 | 124.4 | 4 | |
401-500 tiges/ha | 6.6 | 17 | 2.3 | 29 | 2.0 | 31 | 2.9 | 26 | 4.1 | 22 | 3.5 | 23 | 5.7 | 19 | 6.9 | 17 | 3.1 | 25 | 1.8 | 33 | 2.1 | 30 | 4.7 | 20 | 7.1 | 17 | 7.0 | 16 | 59.9 | 6 | |
501-600 tiges/ha | 4.0 | 22 | 0.8 | 50 | 0.8 | 50 | 0.6 | 58 | 1.0 | 45 | 2.0 | 32 | 3.5 | 24 | 2.6 | 28 | 2.0 | 32 | 0.4 | 71 | 0.8 | 50 | 1.8 | 33 | 2.0 | 32 | 2.2 | 30 | 24.3 | 9 | |
>600 tiges/ha | 2.9 | 26 | 0.4 | 71 | 0.6 | 58 | 0.8 | 50 | 1.4 | 38 | 1.7 | 33 | 1.8 | 33 | 2.5 | 28 | 1.2 | 41 | 0.8 | 50 | 0.4 | 71 | 1.0 | 45 | 1.4 | 38 | 1.8 | 33 | 18.6 | 10 | |
total | 151.6 | 2 | 44.0 | 6 | 46.9 | 6 | 70.6 | 4 | 110.3 | 3 | 38.6 | 7 | 97.1 | 4 | 73.1 | 5 | 48.5 | 6 | 22.2 | 9 | 27.0 | 8 | 96.7 | 4 | 132.1 | 3 | 144.4 | 2 | 1103.2 | 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 | 36.1 | 7 | 11.1 | 13 | 14.6 | 11 | 21.7 | 9 | 37.9 | 6 | 10.3 | 14 | 26.4 | 8 | 17.1 | 11 | 20.5 | 10 | 8.0 | 16 | 12.5 | 13 | 44.8 | 6 | 52.1 | 6 | 59.8 | 5 | 372.9 | 2 | |
101-200 tiges/ha | 42.0 | 6 | 12.8 | 12 | 13.5 | 12 | 24.8 | 8 | 28.0 | 8 | 10.3 | 14 | 30.9 | 8 | 19.5 | 10 | 13.1 | 12 | 4.9 | 20 | 7.2 | 16 | 33.3 | 7 | 38.6 | 7 | 42.3 | 6 | 321.3 | 2 | |
201-300 tiges/ha | 42.1 | 6 | 12.2 | 12 | 8.5 | 15 | 14.3 | 11 | 25.5 | 8 | 8.6 | 15 | 22.4 | 9 | 15.0 | 11 | 12.5 | 12 | 6.5 | 17 | 6.4 | 17 | 19.6 | 10 | 31.0 | 8 | 29.4 | 7 | 253.9 | 2 | |
301-400 tiges/ha | 21.3 | 9 | 4.5 | 21 | 7.0 | 16 | 5.5 | 19 | 12.4 | 12 | 6.0 | 18 | 11.6 | 13 | 11.7 | 13 | 5.7 | 18 | 4.1 | 22 | 2.5 | 28 | 12.7 | 12 | 18.5 | 10 | 13.8 | 11 | 137.3 | 4 | |
401-500 tiges/ha | 7.4 | 16 | 2.3 | 29 | 2.0 | 31 | 2.9 | 26 | 4.1 | 22 | 3.5 | 23 | 6.5 | 18 | 7.3 | 16 | 4.1 | 22 | 2.0 | 31 | 2.1 | 30 | 6.3 | 17 | 8.1 | 15 | 8.2 | 15 | 66.9 | 5 | |
501-600 tiges/ha | 4.2 | 22 | 0.8 | 50 | 0.8 | 50 | 0.6 | 58 | 1.0 | 45 | 2.3 | 29 | 3.7 | 23 | 2.6 | 28 | 2.5 | 28 | 0.8 | 50 | 1.6 | 35 | 2.9 | 26 | 2.2 | 30 | 2.5 | 27 | 28.6 | 8 | |
>600 tiges/ha | 2.9 | 26 | 0.4 | 71 | 0.6 | 58 | 0.8 | 50 | 1.4 | 38 | 1.9 | 32 | 2.0 | 32 | 2.7 | 27 | 1.2 | 41 | 1.0 | 45 | 0.9 | 44 | 2.0 | 31 | 1.4 | 38 | 2.2 | 30 | 21.3 | 9 | |
total | 156.1 | 2 | 44.0 | 6 | 46.9 | 6 | 70.6 | 4 | 110.3 | 3 | 42.9 | 6 | 103.5 | 3 | 75.9 | 4 | 59.6 | 5 | 27.3 | 8 | 33.2 | 7 | 121.7 | 3 | 151.8 | 3 | 158.3 | 2 | 1202.2 | 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. 1335875. Birmensdorf, Swiss Federal Research Institute WSL