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région économique | |||||||||||||||||||||||||||||||
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Ouest du Jura | Est du Jura | Ouest du Plateau | Centre du Plateau | Est du Plateau | Ouest des Préalpes | Centre des Préalpes | Est des Préalpes | Nord-ouest des Alpes | Centre des Alpes | Nord-est des Alpes | 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 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
aucune exploitation forcée n'a eu lieu | 74.2 | 12.8 | . | . | . | . | . | . | . | . | 100.0 | 0.0 | 69.0 | 9.8 | 48.9 | 17.8 | 70.5 | 8.3 | 55.5 | 13.8 | 70.8 | 11.0 | 81.4 | 4.7 | 84.0 | 5.5 | 92.4 | 4.2 | 78.3 | 2.5 | |
insectes | 17.8 | 11.3 | . | . | . | . | . | . | . | . | 0.0 | . | 9.0 | 6.1 | 11.2 | 10.7 | 0.0 | . | 0.0 | . | 11.3 | 7.6 | 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 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
vent | 0.0 | . | . | . | . | . | . | . | . | . | 0.0 | . | 13.1 | 7.1 | 24.5 | 15.2 | 19.6 | 7.2 | 36.5 | 13.2 | 17.9 | 9.3 | 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 | . | 0.0 | . | 15.4 | 13.9 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 9.2 | 4.4 | 2.4 | 2.4 | 2.4 | 1.0 | |
avalanche | 0.0 | . | . | . | . | . | . | . | . | . | 0.0 | . | 0.0 | . | 0.0 | . | 3.3 | 3.2 | 0.0 | . | 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 | . | 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 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
incendie | 0.0 | . | . | . | . | . | . | . | . | . | 0.0 | . | 0.0 | . | 0.0 | . | 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 | . | . | . | . | . | . | . | . | 0.0 | . | 9.0 | 6.1 | 0.0 | . | 6.6 | 4.5 | 0.0 | . | 0.0 | . | 1.4 | 1.4 | 0.0 | . | 0.0 | . | 2.3 | 0.9 | |
autres causes | 0.0 | . | . | . | . | . | . | . | . | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 8.0 | 7.7 | 0.0 | . | 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 | . | 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 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
aucune exploitation forcée n'a eu lieu | 75.6 | 2.1 | 83.1 | 3.4 | 76.5 | 4.0 | 76.5 | 2.9 | 64.2 | 2.7 | 73.9 | 4.4 | 74.7 | 2.8 | 73.2 | 3.3 | 80.3 | 3.6 | 71.4 | 6.3 | 65.9 | 6.1 | 86.6 | 2.4 | 74.0 | 2.6 | 97.3 | 0.9 | 77.5 | 0.8 | |
insectes | 7.8 | 1.3 | 0.8 | 0.8 | 4.5 | 2.0 | 4.7 | 1.5 | 1.7 | 0.8 | 3.3 | 1.9 | 3.3 | 1.2 | 3.9 | 1.4 | 2.6 | 1.5 | 5.7 | 3.2 | 7.9 | 3.4 | 1.5 | 0.9 | 3.4 | 1.1 | 0.3 | 0.3 | 3.6 | 0.4 | |
champignons | 0.5 | 0.4 | 0.0 | . | 0.0 | . | 1.0 | 0.7 | 2.5 | 0.9 | 0.0 | . | 0.5 | 0.5 | 0.5 | 0.5 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 0.0 | . | 0.6 | 0.1 | |
vent | 8.0 | 1.4 | 12.7 | 3.1 | 6.8 | 2.3 | 13.2 | 2.3 | 21.2 | 2.3 | 13.2 | 3.4 | 15.4 | 2.3 | 19.8 | 3.0 | 13.9 | 3.1 | 21.2 | 5.7 | 21.7 | 5.3 | 6.9 | 1.8 | 12.0 | 1.9 | 0.7 | 0.5 | 12.0 | 0.6 | |
poids de la neige lourde | 0.0 | . | 0.0 | . | 0.8 | 0.8 | 0.0 | . | 1.3 | 0.6 | 1.0 | 1.0 | 0.7 | 0.5 | 0.9 | 0.6 | 0.8 | 0.8 | 0.0 | . | 0.0 | . | 0.5 | 0.5 | 7.8 | 1.6 | 0.3 | 0.3 | 1.3 | 0.2 | |
avalanche | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.6 | 1.6 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | 0.0 | |
lave torrentielle, glissement de terrain | 0.0 | . | 0.0 | . | 0.0 | . | 0.5 | 0.5 | 1.0 | 0.6 | 0.8 | 0.8 | 1.4 | 0.8 | 0.7 | 0.7 | 0.0 | . | 0.0 | . | 0.0 | . | 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 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 0.0 | 0.0 | |
incendie | 0.2 | 0.2 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 0.1 | 0.1 | |
perte de vitalité | 7.5 | 1.3 | 3.3 | 1.6 | 11.4 | 3.0 | 4.2 | 1.4 | 7.1 | 1.5 | 6.8 | 2.5 | 3.9 | 1.3 | 1.0 | 0.7 | 2.4 | 1.3 | 1.7 | 1.7 | 1.5 | 1.4 | 4.0 | 1.4 | 1.7 | 0.8 | 0.3 | 0.3 | 4.2 | 0.4 | |
autres causes | 0.3 | 0.3 | 0.0 | . | 0.0 | . | 0.0 | . | 1.0 | 0.6 | 1.0 | 1.0 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.5 | 1.4 | 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 | . | 100.0 | . | 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 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
aucune exploitation forcée n'a eu lieu | 75.5 | 2.1 | 83.1 | 3.4 | 76.5 | 4.0 | 76.5 | 2.9 | 64.2 | 2.7 | 75.2 | 4.2 | 74.3 | 2.7 | 72.2 | 3.2 | 78.4 | 3.3 | 68.1 | 5.8 | 66.9 | 5.3 | 85.3 | 2.2 | 75.3 | 2.3 | 96.8 | 1.0 | 77.5 | 0.8 | |
insectes | 8.1 | 1.3 | 0.8 | 0.8 | 4.5 | 2.0 | 4.7 | 1.5 | 1.7 | 0.8 | 3.2 | 1.8 | 3.7 | 1.2 | 4.2 | 1.4 | 2.1 | 1.2 | 4.5 | 2.6 | 8.6 | 3.1 | 1.8 | 0.8 | 3.0 | 0.9 | 0.6 | 0.4 | 3.6 | 0.3 | |
champignons | 0.5 | 0.4 | 0.0 | . | 0.0 | . | 1.0 | 0.7 | 2.5 | 0.9 | 0.0 | . | 0.5 | 0.5 | 0.5 | 0.5 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 0.0 | . | 0.5 | 0.1 | |
vent | 7.8 | 1.3 | 12.7 | 3.1 | 6.8 | 2.3 | 13.2 | 2.3 | 21.2 | 2.3 | 12.5 | 3.3 | 15.2 | 2.2 | 20.0 | 2.9 | 15.0 | 2.9 | 24.3 | 5.3 | 20.9 | 4.6 | 8.4 | 1.7 | 10.7 | 1.7 | 0.9 | 0.5 | 12.0 | 0.6 | |
poids de la neige lourde | 0.0 | . | 0.0 | . | 0.8 | 0.8 | 0.0 | . | 1.3 | 0.6 | 0.9 | 0.9 | 0.7 | 0.5 | 1.5 | 0.9 | 0.6 | 0.6 | 0.0 | . | 0.0 | . | 0.4 | 0.4 | 8.0 | 1.5 | 0.6 | 0.4 | 1.4 | 0.2 | |
avalanche | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.6 | 0.6 | 0.0 | . | 1.3 | 1.3 | 0.0 | . | 0.0 | . | 0.0 | . | 0.1 | 0.0 | |
lave torrentielle, glissement de terrain | 0.0 | . | 0.0 | . | 0.0 | . | 0.5 | 0.5 | 1.0 | 0.6 | 0.8 | 0.8 | 1.2 | 0.7 | 0.6 | 0.6 | 0.0 | . | 0.0 | . | 0.0 | . | 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 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 0.0 | 0.0 | |
incendie | 0.2 | 0.2 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 0.4 | 0.0 | . | 0.3 | 0.3 | 0.1 | 0.1 | |
perte de vitalité | 7.6 | 1.3 | 3.3 | 1.6 | 11.4 | 3.0 | 4.2 | 1.4 | 7.1 | 1.5 | 6.5 | 2.4 | 4.3 | 1.3 | 0.9 | 0.7 | 3.2 | 1.4 | 1.4 | 1.4 | 1.1 | 1.1 | 3.3 | 1.1 | 1.5 | 0.7 | 0.3 | 0.3 | 4.1 | 0.4 | |
autres causes | 0.3 | 0.3 | 0.0 | . | 0.0 | . | 0.0 | . | 1.0 | 0.6 | 0.9 | 0.9 | 0.0 | . | 0.0 | . | 0.0 | . | 1.7 | 1.6 | 1.1 | 1.1 | 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 | . | 100.0 | . | 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. 1219181. Birmensdorf, Swiss Federal Research Institute WSL