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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 | |||||||||
degré de fermeture | zones supérieures/inférieures | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
pas d'indication | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
zones inférieures | 1.2 | 0.3 | 0.2 | 0.2 | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 0.2 | 0.5 | 0.1 | |
zones supérieures | 0.0 | . | 1.3 | 0.5 | 1.8 | 0.7 | 1.4 | 0.6 | 3.3 | 0.8 | 0.9 | 0.4 | 1.1 | 0.2 | |
total | 1.2 | 0.3 | 1.5 | 0.5 | 1.8 | 0.7 | 1.4 | 0.6 | 3.3 | 0.8 | 1.1 | 0.5 | 1.6 | 0.2 | |
comprimé | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
zones inférieures | 27.0 | 1.2 | 11.7 | 1.3 | 14.1 | 1.7 | 4.5 | 1.1 | 1.2 | 0.5 | 16.8 | 1.8 | 16.0 | 0.6 | |
zones supérieures | 2.3 | 0.4 | 15.7 | 1.5 | 18.2 | 1.9 | 13.2 | 1.8 | 14.1 | 1.7 | 4.6 | 1.0 | 9.4 | 0.5 | |
total | 29.3 | 1.3 | 27.4 | 1.8 | 32.3 | 2.4 | 17.7 | 2.0 | 15.2 | 1.7 | 21.5 | 1.9 | 25.3 | 0.7 | |
normal | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
zones inférieures | 30.5 | 1.3 | 10.5 | 1.3 | 9.8 | 1.5 | 3.4 | 1.0 | 1.1 | 0.5 | 11.5 | 1.5 | 15.7 | 0.6 | |
zones supérieures | 4.4 | 0.6 | 12.5 | 1.3 | 17.7 | 1.9 | 11.8 | 1.7 | 16.3 | 1.8 | 10.0 | 1.4 | 10.3 | 0.5 | |
total | 35.0 | 1.4 | 23.0 | 1.7 | 27.6 | 2.3 | 15.2 | 1.9 | 17.4 | 1.8 | 21.5 | 2.0 | 26.0 | 0.7 | |
lâche | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
zones inférieures | 12.4 | 0.9 | 2.6 | 0.7 | 2.1 | 0.7 | 2.0 | 0.8 | 0.9 | 0.5 | 3.0 | 0.8 | 5.8 | 0.4 | |
zones supérieures | 3.3 | 0.5 | 6.3 | 1.0 | 7.4 | 1.3 | 9.3 | 1.5 | 13.1 | 1.6 | 3.5 | 0.9 | 6.2 | 0.4 | |
total | 15.7 | 1.0 | 8.9 | 1.2 | 9.5 | 1.5 | 11.3 | 1.7 | 14.0 | 1.7 | 6.5 | 1.2 | 11.9 | 0.6 | |
aéré | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
zones inférieures | 6.1 | 0.7 | 2.3 | 0.6 | 1.1 | 0.5 | 1.2 | 0.6 | 1.1 | 0.5 | 3.2 | 0.8 | 3.3 | 0.3 | |
zones supérieures | 1.8 | 0.4 | 6.6 | 1.0 | 6.9 | 1.3 | 11.2 | 1.7 | 13.8 | 1.7 | 5.2 | 1.0 | 6.1 | 0.4 | |
total | 7.9 | 0.8 | 8.9 | 1.2 | 7.9 | 1.4 | 12.4 | 1.8 | 14.9 | 1.7 | 8.4 | 1.3 | 9.5 | 0.5 | |
clairièré | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
zones inférieures | 1.7 | 0.4 | 0.4 | 0.3 | 0.5 | 0.4 | 0.8 | 0.5 | 0.0 | . | 3.0 | 0.8 | 1.2 | 0.2 | |
zones supérieures | 1.9 | 0.4 | 5.1 | 0.9 | 4.6 | 1.1 | 14.1 | 1.9 | 9.0 | 1.4 | 5.9 | 1.1 | 5.5 | 0.4 | |
total | 3.6 | 0.5 | 5.5 | 0.9 | 5.1 | 1.1 | 14.9 | 1.9 | 9.0 | 1.4 | 8.9 | 1.3 | 6.6 | 0.4 | |
en collectifs serrés | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
zones inférieures | 2.3 | 0.4 | 1.5 | 0.5 | 1.0 | 0.5 | 1.7 | 0.7 | 0.0 | . | 12.5 | 1.6 | 3.0 | 0.3 | |
zones supérieures | 0.8 | 0.3 | 8.4 | 1.1 | 6.4 | 1.2 | 9.0 | 1.5 | 9.6 | 1.4 | 5.6 | 1.1 | 5.4 | 0.4 | |
total | 3.1 | 0.5 | 9.9 | 1.2 | 7.4 | 1.3 | 10.7 | 1.7 | 9.6 | 1.4 | 18.1 | 1.8 | 8.4 | 0.5 | |
en collectifs normaux | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
zones inférieures | 1.1 | 0.3 | 0.4 | 0.3 | 0.8 | 0.5 | 0.9 | 0.5 | 0.0 | . | 6.3 | 1.2 | 1.5 | 0.2 | |
zones supérieures | 1.0 | 0.3 | 6.8 | 1.0 | 5.4 | 1.1 | 8.0 | 1.5 | 9.7 | 1.4 | 5.1 | 1.0 | 4.9 | 0.4 | |
total | 2.0 | 0.4 | 7.2 | 1.1 | 6.2 | 1.2 | 8.9 | 1.5 | 9.7 | 1.4 | 11.4 | 1.5 | 6.3 | 0.4 | |
fermeture étagée | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
zones inférieures | 0.9 | 0.3 | 1.6 | 0.5 | 0.3 | 0.3 | 0.0 | . | 0.2 | 0.2 | 0.7 | 0.4 | 0.7 | 0.1 | |
zones supérieures | 1.2 | 0.3 | 6.1 | 1.0 | 2.0 | 0.7 | 7.5 | 1.4 | 6.5 | 1.2 | 2.0 | 0.7 | 3.6 | 0.3 | |
total | 2.1 | 0.4 | 7.7 | 1.1 | 2.2 | 0.7 | 7.5 | 1.4 | 6.8 | 1.2 | 2.6 | 0.7 | 4.3 | 0.3 | |
total | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
zones inférieures | 83.2 | 0.9 | 31.2 | 1.8 | 29.7 | 2.2 | 14.6 | 1.9 | 4.5 | 1.0 | 57.2 | 2.2 | 47.6 | 0.6 | |
zones supérieures | 16.8 | 0.9 | 68.8 | 1.8 | 70.3 | 2.2 | 85.4 | 1.9 | 95.5 | 1.0 | 42.8 | 2.2 | 52.4 | 0.6 | |
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. 1207216. Birmensdorf, Swiss Federal Research Institute WSL