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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 chutes de pierres ou de blocs (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 | ±% |
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 | 58 | 0.8 | 71 | 4.5 | 28 | 5.0 | 27 | 1.4 | 50 | 9.6 | 19 | 22.4 | 12 | |
101-200 tiges/ha | 1.0 | 57 | 0.0 | . | 5.5 | 25 | 2.1 | 41 | 1.8 | 45 | 2.2 | 40 | 12.7 | 17 | |
201-300 tiges/ha | 0.4 | 100 | 0.0 | . | 1.0 | 58 | 0.3 | 100 | 0.4 | 100 | 0.0 | . | 2.1 | 41 | |
301-400 tiges/ha | 0.3 | 100 | 0.0 | . | 1.0 | 58 | 0.0 | . | 0.0 | . | 0.0 | . | 1.3 | 50 | |
401-500 tiges/ha | 0.0 | . | 0.0 | . | 0.3 | 100 | 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 | . | |
>600 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
total | 2.8 | 35 | 0.8 | 71 | 12.4 | 16 | 7.5 | 22 | 3.6 | 32 | 11.8 | 17 | 38.8 | 9 | |
à l'extérieur | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0-100 tiges/ha | 102.7 | 4 | 151.0 | 3 | 142.6 | 4 | 47.2 | 8 | 63.0 | 7 | 72.5 | 5 | 579.0 | 2 | |
101-200 tiges/ha | 63.5 | 6 | 82.1 | 5 | 84.9 | 6 | 24.6 | 12 | 42.1 | 9 | 31.8 | 9 | 329.1 | 3 | |
201-300 tiges/ha | 11.4 | 17 | 14.3 | 15 | 33.6 | 9 | 5.1 | 26 | 11.6 | 17 | 7.3 | 22 | 83.2 | 6 | |
301-400 tiges/ha | 1.4 | 50 | 3.3 | 31 | 7.1 | 22 | 1.7 | 45 | 1.4 | 50 | 1.1 | 58 | 16.0 | 14 | |
401-500 tiges/ha | 0.4 | 100 | 0.7 | 71 | 1.6 | 45 | 0.0 | . | 0.0 | . | 0.0 | . | 2.7 | 35 | |
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 | . | 0.4 | 100 | 0.0 | . | 0.4 | 100 | 0.7 | 71 | |
total | 179.4 | 2 | 251.4 | 2 | 269.8 | 3 | 78.9 | 6 | 118.1 | 5 | 113.1 | 3 | 1010.7 | 1 | |
total | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0-100 tiges/ha | 103.7 | 4 | 151.9 | 3 | 147.1 | 4 | 52.2 | 8 | 64.4 | 7 | 82.1 | 5 | 601.4 | 2 | |
101-200 tiges/ha | 64.6 | 6 | 82.1 | 5 | 90.4 | 5 | 26.7 | 11 | 43.8 | 8 | 34.1 | 9 | 341.7 | 3 | |
201-300 tiges/ha | 11.8 | 17 | 14.3 | 15 | 34.6 | 9 | 5.4 | 25 | 12.0 | 17 | 7.3 | 22 | 85.3 | 6 | |
301-400 tiges/ha | 1.7 | 45 | 3.3 | 31 | 8.1 | 20 | 1.7 | 45 | 1.4 | 50 | 1.1 | 58 | 17.3 | 14 | |
401-500 tiges/ha | 0.4 | 100 | 0.7 | 71 | 1.9 | 41 | 0.0 | . | 0.0 | . | 0.0 | . | 3.0 | 33 | |
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 | . | 0.4 | 100 | 0.0 | . | 0.4 | 100 | 0.7 | 71 | |
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. 1250104. Birmensdorf, Swiss Federal Research Institute WSL