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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 | . | 0.2 | 0.2 | 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 | . | 0.2 | 0.2 | 0.0 | . | 0.0 | 0.0 | |
présentes | pas d'indication | 0.0 | . | 0.0 | . | 0.5 | 0.2 | 0.0 | . | 0.2 | 0.2 | 1.1 | 0.5 | 0.3 | 0.1 |
comprimé | 3.7 | 0.8 | 0.8 | 0.3 | 6.9 | 0.8 | 3.6 | 1.1 | 4.5 | 1.0 | 8.5 | 1.3 | 4.7 | 0.4 | |
normal | 3.5 | 0.8 | 1.0 | 0.4 | 6.0 | 0.8 | 6.1 | 1.4 | 5.2 | 1.0 | 9.6 | 1.4 | 4.9 | 0.4 | |
lâche | 2.9 | 0.7 | 0.1 | 0.1 | 2.0 | 0.4 | 5.1 | 1.3 | 3.3 | 0.9 | 3.5 | 0.9 | 2.4 | 0.3 | |
aéré | 1.1 | 0.4 | 0.1 | 0.1 | 2.4 | 0.5 | 5.8 | 1.3 | 2.0 | 0.7 | 2.3 | 0.7 | 2.0 | 0.2 | |
clairièré | 0.2 | 0.2 | 0.1 | 0.1 | 0.9 | 0.3 | 2.3 | 0.9 | 1.8 | 0.6 | 3.4 | 0.8 | 1.2 | 0.2 | |
en collectifs serrés | 0.9 | 0.4 | 0.3 | 0.2 | 2.4 | 0.5 | 2.6 | 0.9 | 1.4 | 0.6 | 10.0 | 1.4 | 2.7 | 0.3 | |
en collectifs normaux | 0.6 | 0.3 | 0.0 | . | 2.5 | 0.5 | 2.9 | 1.0 | 3.2 | 0.8 | 5.6 | 1.1 | 2.2 | 0.3 | |
fermeture étagée | 0.8 | 0.4 | 0.0 | . | 1.2 | 0.4 | 2.6 | 0.9 | 2.1 | 0.7 | 1.5 | 0.6 | 1.1 | 0.2 | |
total | 13.6 | 1.5 | 2.5 | 0.6 | 24.9 | 1.4 | 31.0 | 2.6 | 23.8 | 2.0 | 45.5 | 2.3 | 21.6 | 0.7 | |
absentes | pas d'indication | 0.5 | 0.3 | 1.6 | 0.5 | 1.2 | 0.4 | 1.0 | 0.5 | 2.8 | 0.8 | 0.4 | 0.3 | 1.3 | 0.2 |
comprimé | 20.6 | 1.8 | 33.1 | 1.7 | 21.8 | 1.4 | 12.9 | 1.9 | 11.3 | 1.5 | 12.3 | 1.5 | 20.6 | 0.7 | |
normal | 29.8 | 2.0 | 34.7 | 1.8 | 18.0 | 1.3 | 9.4 | 1.7 | 12.2 | 1.6 | 11.9 | 1.5 | 21.1 | 0.7 | |
lâche | 14.2 | 1.5 | 14.1 | 1.3 | 6.7 | 0.8 | 7.0 | 1.5 | 10.3 | 1.4 | 3.4 | 0.8 | 9.5 | 0.5 | |
aéré | 6.5 | 1.1 | 7.5 | 1.0 | 6.2 | 0.8 | 6.8 | 1.4 | 13.5 | 1.6 | 6.1 | 1.1 | 7.5 | 0.5 | |
clairièré | 5.7 | 1.0 | 2.0 | 0.5 | 4.8 | 0.7 | 12.3 | 1.9 | 6.8 | 1.2 | 6.0 | 1.1 | 5.4 | 0.4 | |
en collectifs serrés | 3.1 | 0.8 | 2.3 | 0.6 | 7.0 | 0.8 | 7.8 | 1.5 | 8.1 | 1.3 | 7.8 | 1.3 | 5.7 | 0.4 | |
en collectifs normaux | 2.5 | 0.7 | 1.2 | 0.4 | 5.1 | 0.7 | 5.9 | 1.3 | 6.4 | 1.2 | 5.3 | 1.0 | 4.1 | 0.3 | |
fermeture étagée | 3.4 | 0.8 | 0.8 | 0.3 | 4.2 | 0.7 | 5.8 | 1.3 | 4.6 | 1.0 | 1.2 | 0.5 | 3.2 | 0.3 | |
total | 86.4 | 1.5 | 97.5 | 0.6 | 75.1 | 1.4 | 69.0 | 2.6 | 76.0 | 2.0 | 54.5 | 2.3 | 78.4 | 0.7 | |
total | pas d'indication | 0.5 | 0.3 | 1.6 | 0.5 | 1.8 | 0.4 | 1.0 | 0.5 | 3.0 | 0.8 | 1.5 | 0.6 | 1.6 | 0.2 |
comprimé | 24.3 | 1.9 | 33.9 | 1.7 | 28.8 | 1.5 | 16.4 | 2.1 | 16.1 | 1.7 | 20.8 | 1.9 | 25.3 | 0.7 | |
normal | 33.3 | 2.0 | 35.7 | 1.8 | 24.1 | 1.4 | 15.6 | 2.1 | 17.4 | 1.8 | 21.5 | 1.9 | 26.0 | 0.7 | |
lâche | 17.1 | 1.6 | 14.3 | 1.3 | 8.8 | 0.9 | 12.2 | 1.9 | 13.7 | 1.6 | 6.9 | 1.2 | 11.9 | 0.6 | |
aéré | 7.6 | 1.1 | 7.6 | 1.0 | 8.6 | 0.9 | 12.6 | 1.9 | 15.5 | 1.7 | 8.4 | 1.3 | 9.5 | 0.5 | |
clairièré | 5.9 | 1.0 | 2.1 | 0.5 | 5.6 | 0.8 | 14.6 | 2.0 | 8.6 | 1.3 | 9.4 | 1.3 | 6.6 | 0.4 | |
en collectifs serrés | 4.0 | 0.9 | 2.6 | 0.6 | 9.4 | 1.0 | 10.4 | 1.7 | 9.4 | 1.4 | 17.8 | 1.8 | 8.4 | 0.5 | |
en collectifs normaux | 3.1 | 0.8 | 1.2 | 0.4 | 7.5 | 0.9 | 8.8 | 1.6 | 9.5 | 1.4 | 10.9 | 1.4 | 6.3 | 0.4 | |
fermeture étagée | 4.2 | 0.9 | 0.8 | 0.3 | 5.4 | 0.7 | 8.4 | 1.6 | 6.6 | 1.2 | 2.7 | 0.8 | 4.3 | 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. 1390743. Birmensdorf, Swiss Federal Research Institute WSL