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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 coulées de boue/glissements de terrain (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 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0-100 tiges/ha | 50.6 | 6.2 | 54.8 | 15.0 | 51.3 | 25.0 | 35.6 | 14.4 | 71.2 | 17.2 | 40.2 | 11.7 | 45.0 | 9.6 | 31.5 | 8.0 | 55.2 | 7.7 | 37.5 | 9.3 | 44.0 | 10.8 | 59.1 | 4.3 | 51.0 | 5.2 | 70.1 | 3.8 | 54.7 | 2.0 | |
101-200 tiges/ha | 38.8 | 6.0 | 45.2 | 15.0 | 23.9 | 21.0 | 55.2 | 15.0 | 28.8 | 17.2 | 43.1 | 11.7 | 51.2 | 9.6 | 43.1 | 8.5 | 23.8 | 6.6 | 48.1 | 9.6 | 28.5 | 9.9 | 30.8 | 4.1 | 40.5 | 5.1 | 21.1 | 3.5 | 33.7 | 1.9 | |
201-300 tiges/ha | 9.1 | 3.6 | 0.0 | . | 24.8 | 21.5 | 9.2 | 8.8 | 0.0 | . | 16.6 | 8.8 | 3.8 | 3.7 | 16.9 | 6.3 | 11.5 | 4.8 | 7.3 | 5.0 | 22.9 | 9.0 | 7.8 | 2.4 | 6.3 | 2.5 | 7.2 | 2.2 | 8.8 | 1.1 | |
301-400 tiges/ha | 1.5 | 1.5 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 8.5 | 4.7 | 9.6 | 4.6 | 3.6 | 3.5 | 4.6 | 4.5 | 2.3 | 1.3 | 2.2 | 1.5 | 1.6 | 1.1 | 2.7 | 0.6 | |
401-500 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 3.5 | 3.4 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.1 | 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 | . | 0.0 | . | 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 | . | |
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 | 50.4 | 1.7 | 54.9 | 3.3 | 58.8 | 3.1 | 60.4 | 2.5 | 61.9 | 1.9 | 49.2 | 3.5 | 55.4 | 2.1 | 47.1 | 2.6 | 62.3 | 3.0 | 61.7 | 4.6 | 59.7 | 3.9 | 69.2 | 2.0 | 63.3 | 1.8 | 74.8 | 1.6 | 60.2 | 0.6 | |
101-200 tiges/ha | 40.1 | 1.7 | 34.4 | 3.2 | 28.3 | 2.9 | 31.3 | 2.4 | 29.8 | 1.9 | 28.0 | 3.2 | 31.4 | 2.1 | 31.3 | 2.5 | 24.8 | 2.7 | 23.1 | 4.0 | 26.5 | 3.6 | 23.1 | 1.9 | 27.6 | 1.7 | 20.7 | 1.5 | 29.1 | 0.6 | |
201-300 tiges/ha | 8.0 | 1.0 | 8.9 | 1.9 | 11.3 | 2.0 | 7.1 | 1.4 | 7.1 | 1.1 | 18.5 | 2.7 | 9.1 | 1.3 | 17.7 | 2.1 | 9.9 | 1.8 | 14.2 | 3.3 | 12.5 | 2.7 | 6.5 | 1.1 | 7.5 | 1.0 | 4.0 | 0.8 | 8.8 | 0.4 | |
301-400 tiges/ha | 0.9 | 0.4 | 1.9 | 0.9 | 1.3 | 0.7 | 0.9 | 0.5 | 0.9 | 0.4 | 3.4 | 1.3 | 3.5 | 0.8 | 2.4 | 0.8 | 1.5 | 0.7 | 0.9 | 0.9 | 1.3 | 0.9 | 1.0 | 0.5 | 1.5 | 0.5 | 0.6 | 0.3 | 1.5 | 0.2 | |
401-500 tiges/ha | 0.6 | 0.3 | 0.0 | . | 0.4 | 0.4 | 0.0 | . | 0.2 | 0.2 | 1.0 | 0.7 | 0.6 | 0.4 | 1.2 | 0.6 | 1.5 | 0.8 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 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 | 0.1 | 0.1 | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 0.2 | 0.2 | 0.1 | 0.0 | . | 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 | . | |
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 | 50.4 | 1.6 | 54.9 | 3.2 | 58.6 | 3.1 | 59.7 | 2.5 | 62.0 | 1.9 | 48.4 | 3.3 | 54.8 | 2.1 | 45.7 | 2.5 | 61.4 | 2.7 | 57.0 | 4.2 | 57.8 | 3.7 | 67.1 | 1.8 | 61.8 | 1.7 | 74.0 | 1.4 | 59.6 | 0.5 | |
101-200 tiges/ha | 40.0 | 1.7 | 34.9 | 3.1 | 28.2 | 2.9 | 32.1 | 2.4 | 29.8 | 1.9 | 29.3 | 3.1 | 32.5 | 2.0 | 32.4 | 2.4 | 24.6 | 2.5 | 28.0 | 3.8 | 26.7 | 3.4 | 24.7 | 1.7 | 29.1 | 1.6 | 20.8 | 1.4 | 29.6 | 0.5 | |
201-300 tiges/ha | 8.1 | 1.0 | 8.4 | 1.8 | 11.5 | 2.0 | 7.1 | 1.4 | 7.1 | 1.1 | 18.3 | 2.6 | 8.8 | 1.2 | 17.7 | 1.9 | 10.1 | 1.7 | 12.9 | 2.8 | 13.8 | 2.6 | 6.7 | 1.0 | 7.4 | 0.9 | 4.5 | 0.7 | 8.8 | 0.3 | |
301-400 tiges/ha | 0.9 | 0.3 | 1.8 | 0.9 | 1.3 | 0.7 | 0.9 | 0.5 | 0.9 | 0.4 | 3.1 | 1.2 | 3.3 | 0.8 | 2.9 | 0.9 | 2.6 | 0.9 | 1.4 | 1.0 | 1.7 | 1.0 | 1.3 | 0.5 | 1.5 | 0.4 | 0.8 | 0.3 | 1.6 | 0.2 | |
401-500 tiges/ha | 0.5 | 0.3 | 0.0 | . | 0.4 | 0.4 | 0.0 | . | 0.2 | 0.2 | 0.9 | 0.6 | 0.6 | 0.3 | 1.1 | 0.5 | 1.3 | 0.6 | 0.7 | 0.7 | 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 | 0.1 | 0.1 | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 0.2 | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 0.2 | 0.1 | 0.1 | 0.0 | . | 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. 1247628. Birmensdorf, Swiss Federal Research Institute WSL