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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 | . | 0.0 | . | 0.6 | 0.3 | 0.0 | . | 0.3 | 0.3 | 0.0 | . | 0.2 | 0.1 |
comprimé | 3.3 | 0.8 | 0.5 | 0.3 | 8.0 | 0.9 | 4.5 | 1.3 | 1.7 | 0.7 | 7.4 | 1.4 | 4.3 | 0.4 | |
normal | 5.0 | 1.0 | 0.1 | 0.1 | 5.4 | 0.8 | 4.5 | 1.3 | 4.3 | 1.1 | 5.2 | 1.2 | 3.8 | 0.3 | |
lâche | 1.3 | 0.5 | 0.0 | . | 3.1 | 0.6 | 8.5 | 1.8 | 4.7 | 1.1 | 2.7 | 0.9 | 2.6 | 0.3 | |
aéré | 0.9 | 0.4 | 0.0 | . | 3.9 | 0.7 | 4.8 | 1.4 | 4.1 | 1.1 | 4.6 | 1.1 | 2.6 | 0.3 | |
clairièré | 0.4 | 0.3 | 0.0 | . | 1.2 | 0.4 | 2.5 | 1.0 | 1.4 | 0.6 | 0.8 | 0.5 | 0.9 | 0.2 | |
en collectifs serrés | 0.4 | 0.3 | 0.0 | . | 1.1 | 0.4 | 0.4 | 0.4 | 0.9 | 0.5 | 1.2 | 0.6 | 0.6 | 0.1 | |
en collectifs normaux | 0.0 | . | 0.0 | . | 1.1 | 0.4 | 1.2 | 0.7 | 0.6 | 0.4 | 0.9 | 0.5 | 0.6 | 0.1 | |
fermeture étagée | 0.0 | . | 0.0 | . | 0.3 | 0.2 | 1.2 | 0.7 | 0.6 | 0.4 | 0.5 | 0.4 | 0.3 | 0.1 | |
total | 11.4 | 1.4 | 0.7 | 0.3 | 24.8 | 1.5 | 27.6 | 2.9 | 18.5 | 2.1 | 23.3 | 2.2 | 16.0 | 0.6 | |
absentes | pas d'indication | 0.4 | 0.3 | 0.4 | 0.3 | 1.2 | 0.4 | 0.8 | 0.6 | 0.3 | 0.3 | 1.2 | 0.6 | 0.8 | 0.2 |
comprimé | 20.0 | 1.8 | 32.3 | 1.7 | 18.3 | 1.4 | 13.9 | 2.2 | 10.1 | 1.6 | 25.0 | 2.3 | 21.4 | 0.7 | |
normal | 33.5 | 2.1 | 40.4 | 1.8 | 17.6 | 1.3 | 13.8 | 2.2 | 16.0 | 2.0 | 14.0 | 1.9 | 24.9 | 0.8 | |
lâche | 17.5 | 1.7 | 17.4 | 1.4 | 14.4 | 1.2 | 13.6 | 2.2 | 15.5 | 2.0 | 11.0 | 1.7 | 15.3 | 0.7 | |
aéré | 9.7 | 1.3 | 6.6 | 0.9 | 9.8 | 1.0 | 14.2 | 2.2 | 19.9 | 2.1 | 11.3 | 1.7 | 10.7 | 0.6 | |
clairièré | 4.3 | 0.9 | 0.9 | 0.4 | 5.3 | 0.8 | 5.7 | 1.5 | 11.0 | 1.7 | 5.6 | 1.2 | 4.8 | 0.4 | |
en collectifs serrés | 1.0 | 0.4 | 0.0 | . | 3.3 | 0.6 | 3.7 | 1.2 | 4.1 | 1.1 | 1.9 | 0.7 | 2.1 | 0.3 | |
en collectifs normaux | 0.6 | 0.3 | 0.1 | 0.1 | 2.9 | 0.6 | 2.9 | 1.1 | 3.0 | 0.9 | 3.9 | 1.0 | 2.0 | 0.3 | |
fermeture étagée | 1.8 | 0.6 | 1.2 | 0.4 | 2.4 | 0.6 | 3.8 | 1.2 | 1.7 | 0.7 | 2.8 | 0.9 | 2.1 | 0.3 | |
total | 88.6 | 1.4 | 99.3 | 0.3 | 75.2 | 1.5 | 72.4 | 2.9 | 81.5 | 2.1 | 76.7 | 2.2 | 84.0 | 0.6 | |
total | pas d'indication | 0.4 | 0.3 | 0.4 | 0.3 | 1.9 | 0.5 | 0.8 | 0.6 | 0.6 | 0.4 | 1.2 | 0.6 | 1.0 | 0.2 |
comprimé | 23.2 | 1.9 | 32.8 | 1.7 | 26.3 | 1.5 | 18.4 | 2.5 | 11.8 | 1.7 | 32.4 | 2.5 | 25.7 | 0.8 | |
normal | 38.5 | 2.1 | 40.5 | 1.8 | 23.0 | 1.5 | 18.3 | 2.5 | 20.2 | 2.2 | 19.2 | 2.1 | 28.7 | 0.8 | |
lâche | 18.9 | 1.7 | 17.4 | 1.4 | 17.4 | 1.3 | 22.0 | 2.6 | 20.2 | 2.2 | 13.6 | 1.9 | 17.9 | 0.7 | |
aéré | 10.6 | 1.4 | 6.6 | 0.9 | 13.7 | 1.2 | 19.1 | 2.5 | 24.0 | 2.3 | 16.0 | 2.0 | 13.4 | 0.6 | |
clairièré | 4.7 | 0.9 | 0.9 | 0.4 | 6.5 | 0.9 | 8.2 | 1.8 | 12.5 | 1.8 | 6.4 | 1.3 | 5.6 | 0.4 | |
en collectifs serrés | 1.4 | 0.5 | 0.0 | . | 4.4 | 0.7 | 4.1 | 1.3 | 5.0 | 1.2 | 3.1 | 0.9 | 2.7 | 0.3 | |
en collectifs normaux | 0.6 | 0.3 | 0.1 | 0.1 | 4.0 | 0.7 | 4.1 | 1.3 | 3.5 | 1.0 | 4.7 | 1.1 | 2.5 | 0.3 | |
fermeture étagée | 1.8 | 0.6 | 1.2 | 0.4 | 2.8 | 0.6 | 5.0 | 1.4 | 2.3 | 0.8 | 3.3 | 0.9 | 2.4 | 0.3 | |
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. 1354699. Birmensdorf, Swiss Federal Research Institute WSL