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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 | 74.2 | 12.8 | 72.8 | 5.8 | 61.0 | 7.9 | 81.4 | 4.7 | 84.0 | 5.5 | 92.4 | 4.2 | 78.3 | 2.5 | |
insectes | 17.8 | 11.3 | 3.3 | 2.3 | 7.3 | 4.1 | 2.8 | 1.9 | 0.0 | . | 2.6 | 2.6 | 3.8 | 1.2 | |
champignons | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
vent | 0.0 | . | 15.3 | 4.7 | 25.7 | 7.1 | 12.9 | 4.0 | 2.2 | 2.2 | 2.6 | 2.6 | 11.3 | 1.9 | |
poids de la neige lourde | 0.0 | . | 0.0 | . | 3.2 | 3.1 | 0.0 | . | 9.2 | 4.4 | 2.4 | 2.4 | 2.4 | 1.0 | |
avalanche | 0.0 | . | 1.7 | 1.7 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 0.4 | |
lave torrentielle, glissement de terrain | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 4.6 | 3.2 | 0.0 | . | 0.8 | 0.6 | |
crue | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
incendie | 0.0 | . | 0.0 | . | 0.0 | . | 1.4 | 1.4 | 0.0 | . | 0.0 | . | 0.4 | 0.4 | |
perte de vitalité | 8.0 | 7.7 | 6.8 | 3.3 | 0.0 | . | 1.4 | 1.4 | 0.0 | . | 0.0 | . | 2.3 | 0.9 | |
autres causes | 0.0 | . | 0.0 | . | 2.8 | 2.8 | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 0.4 | |
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 | 73.6 | 1.3 | 76.0 | 2.0 | 71.4 | 2.6 | 86.6 | 2.4 | 74.0 | 2.6 | 97.3 | 0.9 | 77.5 | 0.8 | |
insectes | 4.6 | 0.6 | 3.1 | 0.8 | 5.0 | 1.2 | 1.5 | 0.9 | 3.4 | 1.1 | 0.3 | 0.3 | 3.6 | 0.4 | |
champignons | 1.0 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.0 | . | 0.3 | 0.3 | 0.0 | . | 0.6 | 0.1 | |
vent | 12.8 | 1.0 | 14.6 | 1.6 | 20.4 | 2.4 | 6.9 | 1.8 | 12.0 | 1.9 | 0.7 | 0.5 | 12.0 | 0.6 | |
poids de la neige lourde | 0.4 | 0.2 | 0.8 | 0.4 | 0.6 | 0.4 | 0.5 | 0.5 | 7.8 | 1.6 | 0.3 | 0.3 | 1.3 | 0.2 | |
avalanche | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | 0.0 | |
lave torrentielle, glissement de terrain | 0.3 | 0.2 | 0.9 | 0.5 | 0.4 | 0.4 | 0.0 | . | 0.3 | 0.3 | 0.3 | 0.3 | 0.4 | 0.1 | |
crue | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 0.0 | 0.0 | |
incendie | 0.1 | 0.1 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 0.1 | 0.1 | |
perte de vitalité | 6.7 | 0.7 | 4.2 | 0.9 | 1.2 | 0.6 | 4.0 | 1.4 | 1.7 | 0.8 | 0.3 | 0.3 | 4.2 | 0.4 | |
autres causes | 0.3 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 0.5 | 0.5 | 0.4 | 0.4 | 0.0 | . | 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 | 73.7 | 1.3 | 75.7 | 1.9 | 70.2 | 2.5 | 85.3 | 2.2 | 75.3 | 2.3 | 96.8 | 1.0 | 77.5 | 0.8 | |
insectes | 4.8 | 0.6 | 3.1 | 0.8 | 5.3 | 1.2 | 1.8 | 0.8 | 3.0 | 0.9 | 0.6 | 0.4 | 3.6 | 0.3 | |
champignons | 1.0 | 0.3 | 0.2 | 0.2 | 0.3 | 0.3 | 0.0 | . | 0.3 | 0.3 | 0.0 | . | 0.5 | 0.1 | |
vent | 12.6 | 1.0 | 14.6 | 1.5 | 21.0 | 2.2 | 8.4 | 1.7 | 10.7 | 1.7 | 0.9 | 0.5 | 12.0 | 0.6 | |
poids de la neige lourde | 0.4 | 0.2 | 0.7 | 0.4 | 0.9 | 0.5 | 0.4 | 0.4 | 8.0 | 1.5 | 0.6 | 0.4 | 1.4 | 0.2 | |
avalanche | 0.0 | . | 0.2 | 0.2 | 0.3 | 0.3 | 0.0 | . | 0.0 | . | 0.0 | . | 0.1 | 0.0 | |
lave torrentielle, glissement de terrain | 0.3 | 0.2 | 0.8 | 0.4 | 0.4 | 0.4 | 0.0 | . | 0.9 | 0.5 | 0.3 | 0.3 | 0.4 | 0.1 | |
crue | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 0.0 | 0.0 | |
incendie | 0.1 | 0.1 | 0.0 | . | 0.0 | . | 0.4 | 0.4 | 0.0 | . | 0.3 | 0.3 | 0.1 | 0.1 | |
perte de vitalité | 6.8 | 0.7 | 4.4 | 0.9 | 1.1 | 0.5 | 3.3 | 1.1 | 1.5 | 0.7 | 0.3 | 0.3 | 4.1 | 0.4 | |
autres causes | 0.3 | 0.2 | 0.2 | 0.2 | 0.6 | 0.4 | 0.4 | 0.4 | 0.3 | 0.3 | 0.0 | . | 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. 1219182. Birmensdorf, Swiss Federal Research Institute WSL