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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 | . | 0.4 | 0.2 | 0.2 | 0.2 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.1 |
comprimé | 4.2 | 0.6 | 0.5 | 0.2 | 5.7 | 0.6 | 2.4 | 0.7 | 2.2 | 0.5 | 8.8 | 1.0 | 4.0 | 0.2 | |
normal | 2.9 | 0.5 | 0.2 | 0.1 | 4.0 | 0.5 | 2.4 | 0.7 | 2.6 | 0.6 | 6.4 | 0.8 | 3.0 | 0.2 | |
lâche | 0.8 | 0.3 | 0.0 | . | 1.3 | 0.3 | 2.1 | 0.6 | 1.9 | 0.5 | 1.7 | 0.4 | 1.1 | 0.1 | |
aéré | 1.2 | 0.4 | 0.1 | 0.1 | 1.7 | 0.3 | 4.3 | 0.9 | 2.7 | 0.6 | 2.3 | 0.5 | 1.7 | 0.2 | |
clairièré | 0.0 | . | 0.0 | . | 1.3 | 0.3 | 3.2 | 0.8 | 1.5 | 0.4 | 2.6 | 0.5 | 1.2 | 0.1 | |
en collectifs serrés | 0.2 | 0.2 | 0.1 | 0.1 | 1.7 | 0.3 | 0.6 | 0.3 | 1.9 | 0.5 | 3.7 | 0.7 | 1.3 | 0.1 | |
en collectifs normaux | 0.1 | 0.1 | 0.1 | 0.1 | 1.3 | 0.3 | 1.1 | 0.5 | 2.3 | 0.5 | 2.6 | 0.5 | 1.1 | 0.1 | |
fermeture étagée | 0.5 | 0.2 | 0.0 | . | 1.2 | 0.3 | 2.6 | 0.7 | 1.4 | 0.4 | 0.7 | 0.3 | 0.9 | 0.1 | |
total | 10.0 | 1.0 | 1.0 | 0.3 | 18.5 | 0.9 | 19.0 | 1.7 | 16.7 | 1.3 | 29.0 | 1.6 | 14.6 | 0.4 | |
absentes | pas d'indication | 0.4 | 0.2 | 1.4 | 0.3 | 1.9 | 0.3 | 2.5 | 0.7 | 2.2 | 0.5 | 0.9 | 0.3 | 1.5 | 0.2 |
comprimé | 26.8 | 1.4 | 32.5 | 1.3 | 21.1 | 1.0 | 13.4 | 1.5 | 7.6 | 0.9 | 19.6 | 1.4 | 21.9 | 0.5 | |
normal | 25.6 | 1.4 | 34.8 | 1.3 | 16.9 | 0.9 | 9.8 | 1.3 | 10.6 | 1.1 | 12.4 | 1.1 | 20.1 | 0.5 | |
lâche | 10.2 | 1.0 | 12.3 | 0.9 | 6.6 | 0.6 | 6.8 | 1.1 | 9.7 | 1.1 | 4.6 | 0.7 | 8.5 | 0.4 | |
aéré | 13.1 | 1.1 | 11.7 | 0.9 | 10.8 | 0.8 | 16.6 | 1.6 | 15.3 | 1.3 | 10.0 | 1.0 | 12.3 | 0.4 | |
clairièré | 5.7 | 0.7 | 2.9 | 0.5 | 7.8 | 0.7 | 15.9 | 1.6 | 13.8 | 1.2 | 11.0 | 1.0 | 8.3 | 0.3 | |
en collectifs serrés | 1.3 | 0.4 | 0.5 | 0.2 | 6.8 | 0.6 | 4.5 | 0.9 | 9.7 | 1.1 | 5.4 | 0.8 | 4.5 | 0.3 | |
en collectifs normaux | 1.7 | 0.4 | 0.8 | 0.2 | 4.9 | 0.5 | 2.4 | 0.7 | 10.3 | 1.1 | 4.7 | 0.7 | 3.9 | 0.2 | |
fermeture étagée | 5.1 | 0.7 | 2.2 | 0.4 | 4.7 | 0.5 | 9.0 | 1.2 | 4.1 | 0.7 | 2.5 | 0.5 | 4.2 | 0.3 | |
total | 90.0 | 1.0 | 99.0 | 0.3 | 81.5 | 0.9 | 81.0 | 1.7 | 83.3 | 1.3 | 71.0 | 1.6 | 85.4 | 0.4 | |
total | pas d'indication | 0.4 | 0.2 | 1.4 | 0.3 | 2.3 | 0.4 | 2.7 | 0.7 | 2.4 | 0.5 | 1.2 | 0.4 | 1.7 | 0.2 |
comprimé | 31.0 | 1.5 | 33.0 | 1.3 | 26.9 | 1.1 | 15.9 | 1.6 | 9.8 | 1.1 | 28.3 | 1.5 | 25.9 | 0.6 | |
normal | 28.5 | 1.4 | 35.0 | 1.3 | 20.9 | 1.0 | 12.2 | 1.4 | 13.2 | 1.2 | 18.8 | 1.3 | 23.1 | 0.5 | |
lâche | 11.1 | 1.0 | 12.3 | 0.9 | 7.8 | 0.7 | 8.9 | 1.2 | 11.6 | 1.1 | 6.3 | 0.8 | 9.7 | 0.4 | |
aéré | 14.3 | 1.1 | 11.8 | 0.9 | 12.5 | 0.8 | 21.0 | 1.8 | 17.9 | 1.4 | 12.2 | 1.1 | 14.0 | 0.4 | |
clairièré | 5.7 | 0.7 | 2.9 | 0.5 | 9.1 | 0.7 | 19.1 | 1.7 | 15.3 | 1.3 | 13.6 | 1.1 | 9.5 | 0.4 | |
en collectifs serrés | 1.5 | 0.4 | 0.5 | 0.2 | 8.5 | 0.7 | 5.1 | 1.0 | 11.7 | 1.2 | 9.1 | 1.0 | 5.9 | 0.3 | |
en collectifs normaux | 1.8 | 0.4 | 0.8 | 0.3 | 6.2 | 0.6 | 3.5 | 0.8 | 12.6 | 1.2 | 7.3 | 0.9 | 5.1 | 0.3 | |
fermeture étagée | 5.6 | 0.7 | 2.2 | 0.4 | 5.9 | 0.6 | 11.7 | 1.4 | 5.6 | 0.8 | 3.2 | 0.6 | 5.2 | 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. 1354767. Birmensdorf, Swiss Federal Research Institute WSL