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région biogéographique | |||||||||||||||
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Jura | Plateau | nord des Alpes | ouest des Alpes centrales | est des Alpes centrales | Sud des Alpes | Suisse | |||||||||
traces de chutes de pierres | degré de fermeture | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
pas d'indication | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
comprimé | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
normal | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
lâche | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
aéré | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
clairièré | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
en collectifs serrés | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
en collectifs normaux | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
fermeture étagée | 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 | . | |
présentes | pas d'indication | 0.0 | . | 0.1 | 0.1 | 0.4 | 0.2 | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | 0.3 | 0.2 | 0.1 |
comprimé | 5.9 | 1.0 | 0.6 | 0.3 | 6.0 | 0.8 | 2.4 | 1.0 | 2.5 | 0.8 | 6.0 | 1.3 | 4.0 | 0.4 | |
normal | 2.5 | 0.7 | 0.4 | 0.2 | 5.3 | 0.8 | 4.0 | 1.2 | 4.9 | 1.2 | 3.5 | 1.0 | 3.3 | 0.3 | |
lâche | 1.6 | 0.5 | 0.3 | 0.2 | 2.2 | 0.5 | 4.9 | 1.4 | 2.9 | 0.9 | 2.9 | 0.9 | 2.0 | 0.3 | |
aéré | 1.2 | 0.5 | 0.1 | 0.1 | 2.8 | 0.6 | 5.6 | 1.5 | 2.1 | 0.8 | 2.3 | 0.8 | 2.0 | 0.3 | |
clairièré | 0.6 | 0.3 | 0.0 | . | 1.4 | 0.4 | 1.6 | 0.8 | 1.5 | 0.7 | 0.8 | 0.5 | 0.9 | 0.2 | |
en collectifs serrés | 0.0 | . | 0.0 | . | 1.3 | 0.4 | 1.2 | 0.7 | 0.6 | 0.4 | 1.7 | 0.7 | 0.7 | 0.2 | |
en collectifs normaux | 0.0 | . | 0.0 | . | 0.8 | 0.3 | 2.9 | 1.1 | 1.1 | 0.6 | 1.1 | 0.5 | 0.7 | 0.2 | |
fermeture étagée | 0.2 | 0.2 | 0.0 | . | 0.6 | 0.3 | 0.8 | 0.6 | 1.2 | 0.6 | 2.1 | 0.8 | 0.6 | 0.1 | |
total | 11.9 | 1.4 | 1.6 | 0.5 | 20.8 | 1.4 | 23.8 | 2.7 | 17.1 | 2.0 | 20.7 | 2.2 | 14.5 | 0.6 | |
absentes | pas d'indication | 0.8 | 0.4 | 3.5 | 0.7 | 4.1 | 0.7 | 1.2 | 0.7 | 1.8 | 0.7 | 0.8 | 0.5 | 2.5 | 0.3 |
comprimé | 20.7 | 1.8 | 26.9 | 1.6 | 15.6 | 1.3 | 9.4 | 1.9 | 10.6 | 1.7 | 19.8 | 2.2 | 18.6 | 0.7 | |
normal | 26.5 | 1.9 | 36.9 | 1.8 | 18.7 | 1.4 | 11.9 | 2.1 | 12.2 | 1.8 | 18.2 | 2.1 | 23.1 | 0.7 | |
lâche | 14.9 | 1.6 | 12.8 | 1.2 | 8.1 | 1.0 | 6.5 | 1.6 | 7.8 | 1.4 | 9.2 | 1.6 | 10.4 | 0.6 | |
aéré | 13.9 | 1.5 | 11.7 | 1.2 | 12.7 | 1.2 | 13.1 | 2.2 | 17.1 | 2.0 | 12.3 | 1.8 | 13.2 | 0.6 | |
clairièré | 6.7 | 1.1 | 4.3 | 0.8 | 7.2 | 0.9 | 9.4 | 1.9 | 11.5 | 1.7 | 6.4 | 1.3 | 7.0 | 0.5 | |
en collectifs serrés | 1.2 | 0.5 | 1.0 | 0.4 | 5.5 | 0.8 | 12.4 | 2.1 | 7.0 | 1.4 | 5.5 | 1.2 | 4.4 | 0.4 | |
en collectifs normaux | 1.6 | 0.6 | 0.4 | 0.2 | 3.2 | 0.6 | 8.9 | 1.8 | 7.0 | 1.4 | 3.9 | 1.0 | 3.3 | 0.3 | |
fermeture étagée | 1.8 | 0.6 | 1.0 | 0.4 | 4.1 | 0.7 | 3.3 | 1.1 | 7.8 | 1.4 | 3.2 | 0.9 | 3.2 | 0.3 | |
total | 88.1 | 1.4 | 98.4 | 0.5 | 79.2 | 1.4 | 76.2 | 2.7 | 82.9 | 2.0 | 79.3 | 2.2 | 85.5 | 0.6 | |
total | pas d'indication | 0.8 | 0.4 | 3.6 | 0.7 | 4.5 | 0.7 | 1.6 | 0.8 | 2.0 | 0.8 | 1.1 | 0.6 | 2.7 | 0.3 |
comprimé | 26.6 | 1.9 | 27.5 | 1.6 | 21.5 | 1.4 | 11.8 | 2.1 | 13.2 | 1.8 | 25.8 | 2.4 | 22.6 | 0.8 | |
normal | 29.0 | 2.0 | 37.4 | 1.8 | 24.0 | 1.5 | 16.0 | 2.3 | 17.2 | 2.0 | 21.7 | 2.2 | 26.4 | 0.8 | |
lâche | 16.4 | 1.6 | 13.1 | 1.3 | 10.3 | 1.1 | 11.4 | 2.0 | 10.7 | 1.7 | 12.2 | 1.8 | 12.4 | 0.6 | |
aéré | 15.0 | 1.6 | 11.8 | 1.2 | 15.6 | 1.3 | 18.7 | 2.5 | 19.2 | 2.1 | 14.6 | 1.9 | 15.1 | 0.7 | |
clairièré | 7.3 | 1.1 | 4.3 | 0.8 | 8.6 | 1.0 | 11.0 | 2.0 | 13.0 | 1.8 | 7.2 | 1.3 | 7.9 | 0.5 | |
en collectifs serrés | 1.2 | 0.5 | 1.0 | 0.4 | 6.7 | 0.9 | 13.6 | 2.2 | 7.6 | 1.4 | 7.2 | 1.4 | 5.1 | 0.4 | |
en collectifs normaux | 1.6 | 0.6 | 0.4 | 0.2 | 4.1 | 0.7 | 11.8 | 2.0 | 8.1 | 1.5 | 5.0 | 1.1 | 4.0 | 0.4 | |
fermeture étagée | 2.0 | 0.6 | 1.0 | 0.4 | 4.7 | 0.7 | 4.1 | 1.3 | 9.0 | 1.5 | 5.2 | 1.2 | 3.8 | 0.4 | |
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. 1354728. Birmensdorf, Swiss Federal Research Institute WSL