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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 ≥36 cm; vifs sur pied; par classes) | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
pas d'indication | pas d'indication | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . |
0-100 tiges/ha | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
101-200 tiges/ha | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
201-300 tiges/ha | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
301-400 tiges/ha | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
401-500 tiges/ha | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
501-600 tiges/ha | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
>600 tiges/ha | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
total | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
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 | . |
0-100 tiges/ha | 33.6 | 13.7 | . | . | . | . | . | . | . | . | 50.0 | 20.5 | 49.8 | 10.7 | 37.9 | 17.3 | 47.7 | 9.1 | 30.8 | 12.8 | 54.4 | 12.1 | 45.1 | 6.0 | 40.5 | 7.4 | 44.5 | 8.0 | 44.1 | 3.1 | |
101-200 tiges/ha | 66.4 | 13.7 | . | . | . | . | . | . | . | . | 50.0 | 20.5 | 35.8 | 10.2 | 26.5 | 15.9 | 30.2 | 8.4 | 38.8 | 13.6 | 34.0 | 11.4 | 39.4 | 5.9 | 46.0 | 7.5 | 42.4 | 8.1 | 40.4 | 3.1 | |
201-300 tiges/ha | 0.0 | . | . | . | . | . | . | . | . | . | 0.0 | . | 4.9 | 4.7 | 35.7 | 16.9 | 15.7 | 6.5 | 8.0 | 7.7 | 0.0 | . | 8.2 | 3.2 | 13.5 | 5.1 | 10.4 | 4.9 | 9.8 | 1.8 | |
301-400 tiges/ha | 0.0 | . | . | . | . | . | . | . | . | . | 0.0 | . | 4.9 | 4.7 | 0.0 | . | 3.5 | 3.4 | 22.4 | 11.5 | 11.5 | 7.7 | 5.8 | 2.8 | 0.0 | . | 2.6 | 2.6 | 4.6 | 1.3 | |
401-500 tiges/ha | 0.0 | . | . | . | . | . | . | . | . | . | 0.0 | . | 4.7 | 4.6 | 0.0 | . | 2.9 | 2.9 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.7 | 0.5 | |
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 | . | |
>600 tiges/ha | 0.0 | . | . | . | . | . | . | . | . | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.5 | 1.5 | 0.0 | . | 0.0 | . | 0.4 | 0.4 | |
total | 100.0 | . | . | . | . | . | . | . | . | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
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 | 56.4 | 2.3 | 64.9 | 4.3 | 54.4 | 4.5 | 61.4 | 3.1 | 65.9 | 2.6 | 48.8 | 4.9 | 55.2 | 3.1 | 43.1 | 3.6 | 58.1 | 4.4 | 48.7 | 7.0 | 56.0 | 6.2 | 65.4 | 3.3 | 54.4 | 2.8 | 68.7 | 2.6 | 58.6 | 0.9 | |
101-200 tiges/ha | 35.8 | 2.3 | 29.2 | 4.2 | 35.6 | 4.4 | 31.6 | 3.0 | 28.0 | 2.5 | 34.9 | 4.6 | 33.3 | 3.0 | 33.5 | 3.5 | 31.0 | 4.2 | 32.1 | 6.6 | 37.9 | 6.1 | 28.4 | 3.1 | 35.1 | 2.7 | 24.8 | 2.5 | 31.8 | 0.9 | |
201-300 tiges/ha | 6.5 | 1.2 | 5.0 | 2.0 | 7.5 | 2.4 | 4.4 | 1.3 | 5.7 | 1.3 | 14.7 | 3.4 | 10.0 | 1.9 | 18.9 | 2.8 | 7.0 | 2.3 | 15.7 | 5.1 | 6.1 | 3.0 | 5.2 | 1.5 | 9.2 | 1.7 | 5.5 | 1.3 | 8.0 | 0.5 | |
301-400 tiges/ha | 1.0 | 0.5 | 0.8 | 0.8 | 1.7 | 1.2 | 2.2 | 1.0 | 0.3 | 0.3 | 0.8 | 0.8 | 1.5 | 0.8 | 4.1 | 1.4 | 3.0 | 1.5 | 1.7 | 1.7 | 0.0 | . | 1.0 | 0.7 | 1.3 | 0.7 | 0.7 | 0.5 | 1.4 | 0.2 | |
401-500 tiges/ha | 0.3 | 0.3 | 0.0 | . | 0.8 | 0.8 | 0.5 | 0.5 | 0.0 | . | 0.8 | 0.8 | 0.0 | . | 0.5 | 0.5 | 0.9 | 0.9 | 1.7 | 1.7 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 0.1 | |
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 | . | 0.3 | 0.3 | 0.0 | 0.0 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
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 | 55.7 | 2.3 | 64.9 | 4.3 | 54.4 | 4.5 | 61.4 | 3.1 | 65.9 | 2.6 | 48.8 | 4.7 | 54.8 | 3.0 | 42.9 | 3.5 | 56.0 | 4.0 | 45.0 | 6.2 | 55.7 | 5.5 | 60.2 | 2.9 | 52.5 | 2.6 | 66.0 | 2.4 | 57.3 | 0.8 | |
101-200 tiges/ha | 36.7 | 2.3 | 29.2 | 4.2 | 35.6 | 4.4 | 31.6 | 3.0 | 28.0 | 2.5 | 35.7 | 4.5 | 33.5 | 2.9 | 33.2 | 3.4 | 30.9 | 3.7 | 33.5 | 5.9 | 37.1 | 5.4 | 31.2 | 2.8 | 36.5 | 2.6 | 26.8 | 2.4 | 32.6 | 0.8 | |
201-300 tiges/ha | 6.4 | 1.2 | 5.0 | 2.0 | 7.5 | 2.4 | 4.4 | 1.3 | 5.7 | 1.3 | 13.9 | 3.2 | 9.6 | 1.8 | 19.5 | 2.8 | 8.7 | 2.2 | 14.1 | 4.4 | 4.8 | 2.3 | 6.0 | 1.4 | 9.8 | 1.6 | 6.1 | 1.3 | 8.1 | 0.5 | |
301-400 tiges/ha | 0.9 | 0.5 | 0.8 | 0.8 | 1.7 | 1.2 | 2.2 | 1.0 | 0.3 | 0.3 | 0.8 | 0.8 | 1.8 | 0.8 | 3.9 | 1.4 | 3.1 | 1.4 | 6.0 | 2.9 | 2.5 | 1.8 | 2.2 | 0.9 | 1.2 | 0.6 | 0.9 | 0.5 | 1.6 | 0.2 | |
401-500 tiges/ha | 0.3 | 0.3 | 0.0 | . | 0.8 | 0.8 | 0.5 | 0.5 | 0.0 | . | 0.8 | 0.8 | 0.4 | 0.4 | 0.4 | 0.4 | 1.3 | 0.9 | 1.4 | 1.4 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.1 | |
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 | . | 0.4 | 0.4 | 0.0 | . | 0.3 | 0.3 | 0.1 | 0.0 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . |
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. 1357161. Birmensdorf, Swiss Federal Research Institute WSL