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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 | 53.0 | 6.1 | 60.3 | 15.5 | 80.0 | 17.9 | 45.6 | 15.0 | 49.8 | 17.7 | 46.1 | 11.8 | 48.5 | 9.7 | 39.4 | 8.4 | 51.5 | 7.8 | 60.6 | 9.8 | 45.8 | 11.1 | 56.8 | 4.3 | 56.4 | 5.3 | 80.3 | 3.4 | 59.1 | 2.0 | |
101-200 tiges/ha | 36.3 | 5.9 | 19.8 | 12.6 | 20.0 | 17.9 | 27.7 | 13.6 | 50.2 | 17.7 | 37.3 | 11.4 | 37.7 | 9.4 | 29.3 | 7.8 | 31.6 | 7.3 | 27.9 | 9.0 | 44.6 | 11.1 | 36.2 | 4.2 | 32.5 | 5.0 | 15.7 | 3.1 | 30.3 | 1.8 | |
201-300 tiges/ha | 7.8 | 3.3 | 19.8 | 12.6 | 0.0 | . | 26.7 | 13.3 | 0.0 | . | 5.8 | 5.7 | 13.9 | 6.5 | 28.4 | 7.7 | 14.3 | 5.4 | 7.7 | 5.2 | 4.8 | 4.7 | 5.4 | 2.0 | 9.0 | 3.0 | 3.1 | 1.5 | 8.5 | 1.1 | |
301-400 tiges/ha | 1.4 | 1.4 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 10.8 | 7.3 | 0.0 | . | 3.0 | 2.9 | 0.0 | . | 3.8 | 3.7 | 4.8 | 4.7 | 1.6 | 1.1 | 2.2 | 1.5 | 0.8 | 0.8 | 1.8 | 0.5 | |
401-500 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 | . | |
501-600 tiges/ha | 1.4 | 1.4 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 2.5 | 2.5 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.2 | |
>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 | 58.8 | 1.8 | 56.3 | 3.4 | 52.5 | 3.2 | 44.0 | 2.6 | 53.1 | 2.1 | 50.4 | 3.6 | 47.7 | 2.3 | 45.9 | 2.7 | 58.5 | 3.2 | 62.3 | 4.8 | 61.1 | 4.1 | 74.0 | 2.1 | 65.6 | 1.9 | 81.6 | 1.6 | 59.2 | 0.6 | |
101-200 tiges/ha | 34.5 | 1.8 | 35.6 | 3.3 | 27.9 | 2.9 | 40.8 | 2.6 | 32.8 | 2.0 | 28.7 | 3.3 | 35.3 | 2.2 | 34.6 | 2.6 | 30.4 | 3.0 | 27.9 | 4.5 | 25.5 | 3.7 | 19.7 | 1.9 | 26.1 | 1.8 | 15.7 | 1.5 | 29.5 | 0.6 | |
201-300 tiges/ha | 5.8 | 0.9 | 6.7 | 1.7 | 16.6 | 2.5 | 12.6 | 1.8 | 12.6 | 1.4 | 17.8 | 2.8 | 13.4 | 1.6 | 14.5 | 2.0 | 7.6 | 1.7 | 7.8 | 2.6 | 11.3 | 2.6 | 5.5 | 1.1 | 7.0 | 1.0 | 2.4 | 0.7 | 9.3 | 0.4 | |
301-400 tiges/ha | 0.7 | 0.3 | 1.4 | 0.8 | 2.1 | 0.9 | 2.4 | 0.8 | 1.3 | 0.5 | 2.2 | 1.1 | 2.6 | 0.7 | 3.1 | 1.0 | 2.1 | 0.9 | 2.0 | 1.4 | 2.2 | 1.2 | 0.5 | 0.3 | 1.3 | 0.5 | 0.3 | 0.2 | 1.5 | 0.2 | |
401-500 tiges/ha | 0.2 | 0.2 | 0.0 | . | 0.9 | 0.6 | 0.0 | . | 0.2 | 0.2 | 0.0 | . | 0.9 | 0.4 | 1.5 | 0.7 | 1.3 | 0.7 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.1 | |
501-600 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 0.0 | . | 0.5 | 0.5 | 0.2 | 0.2 | 0.3 | 0.3 | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 0.2 | 0.0 | . | 0.0 | . | 0.1 | 0.0 | |
>600 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.5 | 0.5 | 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 | . | |
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 | 58.3 | 1.7 | 56.5 | 3.3 | 53.1 | 3.2 | 44.0 | 2.6 | 53.1 | 2.1 | 50.0 | 3.5 | 47.7 | 2.2 | 45.3 | 2.6 | 57.5 | 2.9 | 62.0 | 4.3 | 59.1 | 3.9 | 69.9 | 1.9 | 64.4 | 1.8 | 81.3 | 1.4 | 59.2 | 0.6 | |
101-200 tiges/ha | 34.7 | 1.7 | 34.9 | 3.2 | 27.7 | 2.9 | 40.4 | 2.6 | 33.0 | 2.0 | 29.4 | 3.1 | 35.4 | 2.2 | 34.0 | 2.5 | 30.6 | 2.8 | 27.9 | 4.0 | 27.9 | 3.6 | 23.7 | 1.8 | 26.9 | 1.7 | 15.7 | 1.4 | 29.6 | 0.6 | |
201-300 tiges/ha | 6.0 | 0.8 | 7.3 | 1.8 | 16.3 | 2.4 | 13.0 | 1.8 | 12.4 | 1.4 | 16.8 | 2.6 | 13.4 | 1.5 | 15.9 | 1.9 | 8.6 | 1.7 | 7.8 | 2.4 | 10.5 | 2.4 | 5.5 | 1.0 | 7.3 | 1.0 | 2.5 | 0.6 | 9.2 | 0.4 | |
301-400 tiges/ha | 0.8 | 0.3 | 1.4 | 0.8 | 2.0 | 0.9 | 2.3 | 0.8 | 1.3 | 0.5 | 2.9 | 1.2 | 2.4 | 0.7 | 3.1 | 0.9 | 1.8 | 0.8 | 2.4 | 1.4 | 2.5 | 1.2 | 0.8 | 0.4 | 1.4 | 0.4 | 0.4 | 0.3 | 1.5 | 0.2 | |
401-500 tiges/ha | 0.1 | 0.1 | 0.0 | . | 0.9 | 0.6 | 0.0 | . | 0.2 | 0.2 | 0.0 | . | 0.8 | 0.4 | 1.4 | 0.6 | 1.1 | 0.6 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.1 | |
501-600 tiges/ha | 0.1 | 0.1 | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 0.0 | . | 0.4 | 0.4 | 0.2 | 0.2 | 0.3 | 0.3 | 0.4 | 0.4 | 0.0 | . | 0.0 | . | 0.2 | 0.2 | 0.0 | . | 0.0 | . | 0.1 | 0.0 | |
>600 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 0.4 | 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 | . |
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. 1247449. Birmensdorf, Swiss Federal Research Institute WSL