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région biogéographique | |||||||||||||||
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Jura | Plateau | nord des Alpes | ouest des Alpes centrales | est des Alpes centrales | Sud des Alpes | Suisse | |||||||||
forêt de protection contre des coulées de boue/glissements de terrain (2022) | nombre de tiges/ha (DHP ≥12 cm; vifs sur pied; par classes) | 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 | . |
0-100 tiges/ha | 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 | . | |
201-300 tiges/ha | 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 | . | |
401-500 tiges/ha | 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 | . | |
>600 tiges/ha | 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 | . | |
à l'intérieur | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0-100 tiges/ha | 1.0 | 57 | 0.0 | . | 2.4 | 38 | 1.1 | 58 | 1.0 | 58 | 2.0 | 41 | 7.6 | 21 | |
101-200 tiges/ha | 1.8 | 45 | 1.4 | 50 | 3.6 | 32 | 2.5 | 38 | 2.1 | 41 | 1.8 | 44 | 13.2 | 16 | |
201-300 tiges/ha | 3.1 | 33 | 1.3 | 50 | 4.7 | 27 | 5.7 | 25 | 2.8 | 35 | 2.6 | 38 | 20.3 | 13 | |
301-400 tiges/ha | 4.2 | 28 | 1.1 | 58 | 5.4 | 25 | 4.3 | 29 | 3.1 | 33 | 4.1 | 30 | 22.3 | 12 | |
401-500 tiges/ha | 2.5 | 38 | 0.4 | 100 | 3.7 | 30 | 3.9 | 30 | 1.5 | 50 | 5.2 | 26 | 17.1 | 14 | |
501-600 tiges/ha | 1.1 | 58 | 0.4 | 100 | 5.3 | 26 | 1.4 | 50 | 1.4 | 50 | 2.2 | 41 | 11.8 | 17 | |
>600 tiges/ha | 2.4 | 38 | 0.3 | 100 | 8.3 | 21 | 6.4 | 23 | 3.9 | 30 | 6.7 | 23 | 28.0 | 11 | |
total | 16.1 | 14 | 5.0 | 27 | 33.5 | 10 | 25.2 | 11 | 15.9 | 15 | 24.6 | 11 | 120.3 | 5 | |
à l'extérieur | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0-100 tiges/ha | 14.1 | 15 | 31.2 | 10 | 24.0 | 12 | 6.6 | 23 | 13.7 | 16 | 8.7 | 20 | 98.3 | 6 | |
101-200 tiges/ha | 27.3 | 11 | 45.3 | 8 | 38.9 | 9 | 6.7 | 23 | 15.0 | 15 | 13.3 | 16 | 146.6 | 5 | |
201-300 tiges/ha | 26.6 | 11 | 46.1 | 8 | 43.2 | 9 | 9.9 | 19 | 20.2 | 13 | 11.4 | 17 | 157.5 | 4 | |
301-400 tiges/ha | 29.6 | 10 | 40.8 | 9 | 37.2 | 9 | 8.3 | 20 | 13.3 | 16 | 16.6 | 14 | 145.7 | 5 | |
401-500 tiges/ha | 20.9 | 12 | 28.6 | 11 | 31.7 | 10 | 10.1 | 18 | 11.7 | 17 | 11.8 | 17 | 114.8 | 5 | |
501-600 tiges/ha | 20.7 | 13 | 18.4 | 14 | 21.9 | 12 | 6.4 | 23 | 9.5 | 19 | 10.3 | 18 | 87.1 | 6 | |
>600 tiges/ha | 26.8 | 11 | 36.8 | 9 | 51.7 | 8 | 13.2 | 16 | 22.2 | 12 | 28.4 | 10 | 179.2 | 4 | |
total | 166.1 | 3 | 247.3 | 2 | 248.7 | 3 | 61.1 | 7 | 105.7 | 5 | 100.3 | 4 | 929.2 | 1 | |
total | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0-100 tiges/ha | 15.1 | 15 | 31.2 | 10 | 26.4 | 12 | 7.7 | 21 | 14.7 | 15 | 10.7 | 17 | 105.9 | 6 | |
101-200 tiges/ha | 29.1 | 10 | 46.7 | 8 | 42.5 | 9 | 9.2 | 19 | 17.2 | 14 | 15.1 | 15 | 159.8 | 4 | |
201-300 tiges/ha | 29.7 | 10 | 47.5 | 8 | 47.9 | 8 | 15.6 | 15 | 23.0 | 12 | 14.0 | 16 | 177.8 | 4 | |
301-400 tiges/ha | 33.7 | 9 | 42.0 | 9 | 42.6 | 9 | 12.6 | 16 | 16.4 | 14 | 20.7 | 12 | 168.0 | 4 | |
401-500 tiges/ha | 23.4 | 12 | 29.0 | 11 | 35.4 | 9 | 14.0 | 16 | 13.2 | 16 | 16.9 | 14 | 131.9 | 5 | |
501-600 tiges/ha | 21.8 | 12 | 18.8 | 13 | 27.2 | 11 | 7.8 | 21 | 11.0 | 18 | 12.5 | 16 | 98.9 | 6 | |
>600 tiges/ha | 29.2 | 10 | 37.2 | 9 | 60.0 | 7 | 19.5 | 13 | 26.2 | 11 | 35.0 | 9 | 207.2 | 4 | |
total | 182.2 | 2 | 252.2 | 2 | 282.1 | 2 | 86.3 | 6 | 121.6 | 5 | 124.9 | 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. 1334936. Birmensdorf, Swiss Federal Research Institute WSL