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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 avalanches (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 | 1.5 | 50 | 0.0 | . | 16.3 | 14 | 11.3 | 17 | 9.9 | 19 | 7.7 | 21 | 46.7 | 8 | |
101-200 tiges/ha | 2.9 | 35 | 0.4 | 100 | 12.3 | 16 | 9.2 | 19 | 7.6 | 22 | 6.8 | 22 | 39.2 | 9 | |
201-300 tiges/ha | 0.0 | . | 0.0 | . | 4.0 | 29 | 2.0 | 41 | 2.1 | 41 | 1.4 | 49 | 9.5 | 19 | |
301-400 tiges/ha | 0.0 | . | 0.0 | . | 2.4 | 38 | 1.4 | 50 | 0.0 | . | 0.4 | 100 | 4.2 | 29 | |
401-500 tiges/ha | 0.0 | . | 0.0 | . | 0.7 | 71 | 0.0 | . | 0.0 | . | 0.0 | . | 0.7 | 71 | |
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 | . | 0.0 | . | 0.4 | 100 | |
total | 4.4 | 28 | 0.4 | 100 | 35.6 | 9 | 24.4 | 12 | 19.6 | 13 | 16.3 | 14 | 100.6 | 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 | 108.5 | 4 | 156.1 | 3 | 165.2 | 4 | 61.6 | 7 | 84.0 | 6 | 112.7 | 4 | 688.3 | 2 | |
101-200 tiges/ha | 63.8 | 6 | 82.1 | 5 | 88.3 | 6 | 19.2 | 13 | 40.2 | 9 | 29.4 | 10 | 323.1 | 3 | |
201-300 tiges/ha | 11.8 | 17 | 15.4 | 14 | 32.6 | 10 | 3.7 | 30 | 11.6 | 17 | 5.9 | 24 | 81.0 | 6 | |
301-400 tiges/ha | 1.7 | 45 | 3.3 | 31 | 6.9 | 22 | 0.3 | 100 | 1.4 | 50 | 0.7 | 71 | 14.4 | 15 | |
401-500 tiges/ha | 0.4 | 100 | 0.7 | 71 | 2.3 | 38 | 0.0 | . | 0.0 | . | 0.0 | . | 3.4 | 32 | |
501-600 tiges/ha | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | |
>600 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.4 | 100 | |
total | 186.3 | 2 | 257.6 | 2 | 295.7 | 2 | 84.9 | 6 | 137.3 | 4 | 149.1 | 3 | 1110.9 | 1 | |
total | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0-100 tiges/ha | 110.0 | 4 | 156.1 | 3 | 181.5 | 4 | 72.9 | 6 | 94.0 | 6 | 120.5 | 4 | 735.0 | 1 | |
101-200 tiges/ha | 66.7 | 6 | 82.5 | 5 | 100.6 | 5 | 28.5 | 11 | 47.8 | 8 | 36.2 | 9 | 362.3 | 2 | |
201-300 tiges/ha | 11.8 | 17 | 15.4 | 14 | 36.6 | 9 | 5.7 | 24 | 13.7 | 16 | 7.3 | 22 | 90.5 | 6 | |
301-400 tiges/ha | 1.7 | 45 | 3.3 | 31 | 9.3 | 19 | 1.7 | 45 | 1.4 | 50 | 1.1 | 58 | 18.6 | 13 | |
401-500 tiges/ha | 0.4 | 100 | 0.7 | 71 | 2.9 | 33 | 0.0 | . | 0.0 | . | 0.0 | . | 4.0 | 29 | |
501-600 tiges/ha | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | |
>600 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.0 | . | 0.4 | 100 | 0.7 | 71 | |
total | 190.6 | 2 | 258.0 | 2 | 331.3 | 2 | 109.2 | 5 | 156.9 | 4 | 165.4 | 2 | 1211.5 | 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. 1287737. Birmensdorf, Swiss Federal Research Institute WSL