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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 | |||||||||
forêt de protection contre des avalanches (2022) | cause de l'exploitation forcée (caractéristique liée à la surface) | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
pas d'indication | pas d'indication | . | . | . | . | . | . | . | . | . | . | . | . | . | . |
aucune exploitation forcée n'a eu lieu | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
insectes | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
champignons | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
vent | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
poids de la neige lourde | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
avalanche | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
lave torrentielle, glissement de terrain | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
crue | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
incendie | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
perte de vitalité | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
autres causes | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
total | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
à l'intérieur | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
aucune exploitation forcée n'a eu lieu | 81.5 | 8.4 | 69.8 | 4.4 | 85.3 | 4.3 | 90.4 | 2.6 | 87.9 | 3.3 | 96.9 | 2.1 | 85.2 | 1.6 | |
insectes | 0.0 | . | 14.3 | 3.3 | 5.7 | 2.8 | 4.8 | 1.9 | 5.1 | 2.2 | 3.1 | 2.1 | 6.6 | 1.1 | |
champignons | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
vent | 13.8 | 7.4 | 14.0 | 3.3 | 7.2 | 3.1 | 3.2 | 1.6 | 1.0 | 1.0 | 0.0 | . | 5.7 | 1.0 | |
poids de la neige lourde | 4.7 | 4.6 | 0.0 | . | 1.7 | 1.7 | 1.5 | 1.1 | 2.0 | 1.4 | 0.0 | . | 1.2 | 0.5 | |
avalanche | 0.0 | . | 1.0 | 0.9 | 0.0 | . | 0.0 | . | 1.1 | 1.1 | 0.0 | . | 0.4 | 0.3 | |
lave torrentielle, glissement de terrain | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
crue | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
incendie | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
perte de vitalité | 0.0 | . | 0.9 | 0.9 | 0.0 | . | 0.0 | . | 1.0 | 1.0 | 0.0 | . | 0.4 | 0.3 | |
autres causes | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 2.0 | 1.4 | 0.0 | . | 0.4 | 0.3 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
à l'extérieur | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
aucune exploitation forcée n'a eu lieu | 71.2 | 1.0 | 71.5 | 1.5 | 77.6 | 1.7 | 93.0 | 1.2 | 87.1 | 1.3 | 97.9 | 0.5 | 79.1 | 0.5 | |
insectes | 8.7 | 0.6 | 8.1 | 0.9 | 8.8 | 1.2 | 3.3 | 0.8 | 3.3 | 0.7 | 0.7 | 0.3 | 6.5 | 0.3 | |
champignons | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.1 | 0.0 | |
vent | 17.6 | 0.8 | 17.3 | 1.3 | 10.4 | 1.3 | 1.1 | 0.5 | 3.3 | 0.7 | 0.6 | 0.3 | 11.5 | 0.4 | |
poids de la neige lourde | 0.5 | 0.2 | 0.5 | 0.2 | 0.8 | 0.4 | 0.2 | 0.2 | 3.8 | 0.8 | 0.3 | 0.2 | 0.9 | 0.1 | |
avalanche | 0.0 | . | 0.1 | 0.1 | 1.0 | 0.4 | 0.7 | 0.4 | 0.9 | 0.4 | 0.0 | . | 0.3 | 0.1 | |
lave torrentielle, glissement de terrain | 0.2 | 0.1 | 1.0 | 0.3 | 0.5 | 0.3 | 0.2 | 0.2 | 1.0 | 0.4 | 0.1 | 0.1 | 0.4 | 0.1 | |
crue | 0.0 | . | 0.1 | 0.1 | 0.0 | . | 0.2 | 0.2 | 0.0 | . | 0.0 | . | 0.0 | 0.0 | |
incendie | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 0.2 | 0.0 | . | 0.3 | 0.2 | 0.1 | 0.0 | |
perte de vitalité | 1.2 | 0.2 | 1.2 | 0.4 | 0.8 | 0.4 | 0.9 | 0.4 | 0.2 | 0.2 | 0.0 | . | 0.8 | 0.1 | |
autres causes | 0.4 | 0.1 | 0.1 | 0.1 | 0.0 | . | 0.2 | 0.2 | 0.5 | 0.3 | 0.1 | 0.1 | 0.3 | 0.1 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
total | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
aucune exploitation forcée n'a eu lieu | 71.3 | 0.9 | 71.4 | 1.4 | 78.4 | 1.6 | 92.4 | 1.1 | 87.2 | 1.2 | 97.8 | 0.5 | 79.6 | 0.5 | |
insectes | 8.6 | 0.6 | 8.8 | 0.9 | 8.5 | 1.1 | 3.6 | 0.8 | 3.5 | 0.7 | 0.9 | 0.3 | 6.5 | 0.3 | |
champignons | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.1 | 0.0 | |
vent | 17.5 | 0.8 | 16.9 | 1.2 | 10.0 | 1.2 | 1.5 | 0.5 | 3.0 | 0.6 | 0.5 | 0.3 | 11.0 | 0.4 | |
poids de la neige lourde | 0.6 | 0.2 | 0.4 | 0.2 | 0.9 | 0.4 | 0.5 | 0.3 | 3.5 | 0.7 | 0.3 | 0.2 | 0.9 | 0.1 | |
avalanche | 0.0 | . | 0.2 | 0.1 | 0.9 | 0.4 | 0.5 | 0.3 | 1.0 | 0.4 | 0.0 | . | 0.3 | 0.1 | |
lave torrentielle, glissement de terrain | 0.2 | 0.1 | 0.9 | 0.3 | 0.5 | 0.3 | 0.2 | 0.2 | 0.8 | 0.3 | 0.1 | 0.1 | 0.4 | 0.1 | |
crue | 0.0 | . | 0.1 | 0.1 | 0.0 | . | 0.2 | 0.2 | 0.0 | . | 0.0 | . | 0.0 | 0.0 | |
incendie | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 0.2 | 0.0 | . | 0.3 | 0.2 | 0.1 | 0.0 | |
perte de vitalité | 1.2 | 0.2 | 1.1 | 0.3 | 0.8 | 0.3 | 0.7 | 0.3 | 0.3 | 0.2 | 0.0 | . | 0.8 | 0.1 | |
autres causes | 0.4 | 0.1 | 0.1 | 0.1 | 0.0 | . | 0.2 | 0.2 | 0.7 | 0.3 | 0.1 | 0.1 | 0.3 | 0.1 | |
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. 1219247. Birmensdorf, Swiss Federal Research Institute WSL