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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 | . | . | . | . | . | . | . | . | 51.1 | 17.7 | 52.1 | 10.5 | 37.9 | 17.3 | 49.4 | 9.0 | 33.4 | 12.2 | 54.4 | 12.1 | 46.0 | 5.9 | 48.6 | 6.8 | 47.1 | 7.6 | 46.7 | 2.9 | |
101-200 tiges/ha | 66.4 | 13.7 | . | . | . | . | . | . | . | . | 37.2 | 17.1 | 34.1 | 9.9 | 26.5 | 15.9 | 29.2 | 8.2 | 40.3 | 12.7 | 34.0 | 11.4 | 39.1 | 5.8 | 40.2 | 6.7 | 41.0 | 7.6 | 38.7 | 2.9 | |
201-300 tiges/ha | 0.0 | . | . | . | . | . | . | . | . | . | 11.7 | 11.1 | 4.6 | 4.5 | 35.7 | 16.9 | 15.2 | 6.3 | 6.9 | 6.7 | 0.0 | . | 7.9 | 3.1 | 11.2 | 4.3 | 9.5 | 4.5 | 9.3 | 1.7 | |
301-400 tiges/ha | 0.0 | . | . | . | . | . | . | . | . | . | 0.0 | . | 4.6 | 4.5 | 0.0 | . | 3.4 | 3.3 | 19.3 | 10.1 | 11.5 | 7.7 | 5.6 | 2.7 | 0.0 | . | 2.4 | 2.4 | 4.3 | 1.2 | |
401-500 tiges/ha | 0.0 | . | . | . | . | . | . | . | . | . | 0.0 | . | 4.5 | 4.4 | 0.0 | . | 2.8 | 2.8 | 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 | . | 1.4 | 1.4 | 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 | 56.8 | 2.3 | 65.8 | 4.3 | 56.0 | 4.4 | 61.5 | 3.1 | 65.5 | 2.5 | 50.8 | 4.6 | 55.8 | 3.0 | 43.1 | 3.4 | 60.0 | 4.0 | 56.9 | 6.0 | 60.3 | 5.5 | 70.9 | 2.8 | 60.2 | 2.5 | 74.6 | 2.1 | 61.2 | 0.8 | |
101-200 tiges/ha | 35.7 | 2.3 | 28.5 | 4.1 | 34.3 | 4.2 | 31.5 | 3.0 | 28.6 | 2.5 | 33.5 | 4.4 | 32.4 | 2.9 | 32.9 | 3.3 | 30.0 | 3.8 | 28.6 | 5.5 | 34.7 | 5.4 | 23.9 | 2.6 | 30.0 | 2.3 | 20.3 | 2.0 | 29.7 | 0.8 | |
201-300 tiges/ha | 6.3 | 1.2 | 4.9 | 1.9 | 7.2 | 2.3 | 4.4 | 1.3 | 5.6 | 1.3 | 13.3 | 3.1 | 9.7 | 1.8 | 19.0 | 2.7 | 6.0 | 1.9 | 11.8 | 3.9 | 5.0 | 2.4 | 4.5 | 1.3 | 8.7 | 1.5 | 4.3 | 1.0 | 7.4 | 0.5 | |
301-400 tiges/ha | 0.9 | 0.5 | 0.8 | 0.8 | 1.6 | 1.1 | 2.2 | 1.0 | 0.3 | 0.3 | 0.8 | 0.8 | 1.7 | 0.8 | 4.2 | 1.4 | 3.3 | 1.4 | 1.3 | 1.3 | 0.0 | . | 0.7 | 0.5 | 1.1 | 0.5 | 0.5 | 0.4 | 1.3 | 0.2 | |
401-500 tiges/ha | 0.3 | 0.3 | 0.0 | . | 0.8 | 0.8 | 0.5 | 0.5 | 0.0 | . | 1.6 | 1.1 | 0.4 | 0.4 | 0.9 | 0.6 | 0.7 | 0.7 | 1.3 | 1.3 | 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 | . | 0.0 | . | 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 | 56.1 | 2.2 | 65.8 | 4.3 | 56.0 | 4.4 | 61.5 | 3.1 | 65.5 | 2.5 | 50.8 | 4.5 | 55.5 | 2.9 | 42.9 | 3.4 | 58.1 | 3.7 | 52.5 | 5.5 | 59.3 | 5.0 | 65.4 | 2.5 | 58.7 | 2.3 | 71.9 | 2.0 | 60.0 | 0.8 | |
101-200 tiges/ha | 36.5 | 2.2 | 28.5 | 4.1 | 34.3 | 4.2 | 31.5 | 3.0 | 28.6 | 2.5 | 33.7 | 4.2 | 32.5 | 2.7 | 32.7 | 3.2 | 29.9 | 3.5 | 30.8 | 5.1 | 34.6 | 4.9 | 27.2 | 2.4 | 31.3 | 2.2 | 22.4 | 1.9 | 30.5 | 0.8 | |
201-300 tiges/ha | 6.2 | 1.2 | 4.9 | 1.9 | 7.2 | 2.3 | 4.4 | 1.3 | 5.6 | 1.3 | 13.2 | 3.0 | 9.3 | 1.7 | 19.6 | 2.7 | 7.6 | 2.0 | 10.9 | 3.4 | 4.0 | 2.0 | 5.3 | 1.2 | 9.0 | 1.4 | 4.8 | 1.0 | 7.6 | 0.4 | |
301-400 tiges/ha | 0.9 | 0.5 | 0.8 | 0.8 | 1.6 | 1.1 | 2.2 | 1.0 | 0.3 | 0.3 | 0.7 | 0.7 | 2.0 | 0.8 | 4.1 | 1.3 | 3.3 | 1.3 | 4.7 | 2.3 | 2.1 | 1.5 | 1.8 | 0.7 | 0.9 | 0.5 | 0.7 | 0.4 | 1.6 | 0.2 | |
401-500 tiges/ha | 0.3 | 0.3 | 0.0 | . | 0.8 | 0.8 | 0.5 | 0.5 | 0.0 | . | 1.5 | 1.1 | 0.7 | 0.5 | 0.8 | 0.6 | 1.1 | 0.8 | 1.1 | 1.1 | 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 | . | 0.3 | 0.3 | 0.0 | . | 0.2 | 0.2 | 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. 1357182. Birmensdorf, Swiss Federal Research Institute WSL