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région de forêt protectrice | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Plateau/Jura | Nord des Alpes ouest | Nord des Alpes est | Sud-ouest des Alpes | Sud-est des Alpes | Sud des Alpes | Suisse | |||||||||
forêt protectrice (2022) | nombre de tiges/ha (DHP ≥24 cm; vifs sur pied; par classes) | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
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 | 3.2 | 0.5 | 13.1 | 1.4 | 13.8 | 1.8 | 18.3 | 2.1 | 15.3 | 1.7 | 23.4 | 2.0 | 11.8 | 0.5 | |
101-200 tiges/ha | 4.0 | 0.6 | 16.7 | 1.6 | 14.9 | 1.8 | 19.3 | 2.2 | 13.8 | 1.7 | 19.0 | 1.9 | 12.2 | 0.6 | |
201-300 tiges/ha | 3.6 | 0.5 | 11.4 | 1.3 | 11.7 | 1.6 | 17.4 | 2.1 | 14.1 | 1.7 | 19.0 | 1.9 | 10.6 | 0.5 | |
301-400 tiges/ha | 1.4 | 0.3 | 8.2 | 1.1 | 9.4 | 1.5 | 6.8 | 1.4 | 6.0 | 1.2 | 9.6 | 1.4 | 5.7 | 0.4 | |
401-500 tiges/ha | 0.4 | 0.2 | 3.5 | 0.8 | 4.2 | 1.0 | 5.1 | 1.2 | 2.2 | 0.7 | 4.3 | 1.0 | 2.6 | 0.3 | |
501-600 tiges/ha | 0.5 | 0.2 | 2.0 | 0.6 | 1.6 | 0.7 | 1.9 | 0.8 | 1.7 | 0.6 | 2.6 | 0.8 | 1.4 | 0.2 | |
>600 tiges/ha | 0.0 | . | 1.6 | 0.5 | 2.1 | 0.7 | 0.6 | 0.4 | 0.7 | 0.4 | 1.0 | 0.5 | 0.8 | 0.2 | |
total | 13.2 | 1.0 | 56.5 | 2.1 | 57.8 | 2.5 | 69.5 | 2.5 | 53.7 | 2.4 | 78.9 | 1.9 | 45.0 | 0.7 | |
à l'extérieur | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0-100 tiges/ha | 29.3 | 1.2 | 13.2 | 1.4 | 13.8 | 1.8 | 17.4 | 2.1 | 17.8 | 1.8 | 10.3 | 1.4 | 19.6 | 0.6 | |
101-200 tiges/ha | 26.6 | 1.3 | 13.9 | 1.5 | 8.9 | 1.5 | 5.5 | 1.3 | 11.0 | 1.5 | 4.0 | 0.9 | 15.4 | 0.6 | |
201-300 tiges/ha | 17.1 | 1.1 | 6.5 | 1.0 | 8.6 | 1.4 | 4.3 | 1.1 | 9.6 | 1.4 | 3.0 | 0.8 | 10.2 | 0.5 | |
301-400 tiges/ha | 8.7 | 0.8 | 4.8 | 0.9 | 5.7 | 1.2 | 0.9 | 0.5 | 4.5 | 1.0 | 2.6 | 0.8 | 5.6 | 0.4 | |
401-500 tiges/ha | 3.3 | 0.5 | 2.5 | 0.6 | 1.7 | 0.7 | 1.2 | 0.6 | 2.4 | 0.7 | 0.7 | 0.4 | 2.3 | 0.3 | |
501-600 tiges/ha | 1.3 | 0.3 | 1.5 | 0.5 | 1.6 | 0.6 | 0.6 | 0.4 | 0.5 | 0.3 | 0.5 | 0.3 | 1.1 | 0.2 | |
>600 tiges/ha | 0.4 | 0.2 | 1.0 | 0.4 | 1.9 | 0.7 | 0.6 | 0.4 | 0.5 | 0.3 | 0.0 | . | 0.7 | 0.1 | |
total | 86.8 | 1.0 | 43.5 | 2.1 | 42.2 | 2.5 | 30.5 | 2.5 | 46.3 | 2.4 | 21.1 | 1.9 | 55.0 | 0.7 | |
total | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0-100 tiges/ha | 32.5 | 1.3 | 26.4 | 1.8 | 27.6 | 2.3 | 35.7 | 2.6 | 33.2 | 2.2 | 33.7 | 2.1 | 31.4 | 0.7 | |
101-200 tiges/ha | 30.7 | 1.3 | 30.6 | 1.9 | 23.8 | 2.2 | 24.8 | 2.4 | 24.7 | 2.1 | 22.9 | 2.0 | 27.5 | 0.8 | |
201-300 tiges/ha | 20.7 | 1.2 | 17.9 | 1.6 | 20.3 | 2.1 | 21.7 | 2.3 | 23.7 | 2.1 | 22.0 | 2.0 | 20.8 | 0.7 | |
301-400 tiges/ha | 10.1 | 0.9 | 13.0 | 1.4 | 15.2 | 1.8 | 7.7 | 1.5 | 10.5 | 1.5 | 12.2 | 1.6 | 11.3 | 0.5 | |
401-500 tiges/ha | 3.7 | 0.5 | 6.0 | 1.0 | 6.0 | 1.2 | 6.3 | 1.3 | 4.6 | 1.0 | 5.1 | 1.1 | 4.9 | 0.4 | |
501-600 tiges/ha | 1.8 | 0.4 | 3.5 | 0.8 | 3.2 | 0.9 | 2.5 | 0.9 | 2.2 | 0.7 | 3.1 | 0.8 | 2.5 | 0.3 | |
>600 tiges/ha | 0.4 | 0.2 | 2.6 | 0.7 | 4.0 | 1.0 | 1.2 | 0.6 | 1.2 | 0.5 | 1.0 | 0.5 | 1.5 | 0.2 | |
total | 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. 1333159. Birmensdorf, Swiss Federal Research Institute WSL