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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 coulées de boue/glissements de terrain (2022) | cause de l'exploitation forcée (caractéristique liée à la surface) | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
pas d'indication | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
aucune exploitation forcée n'a eu lieu | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
insectes | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
champignons | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
vent | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
poids de la neige lourde | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
avalanche | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
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 | . | |
autres causes | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
perte de vitalité due à la sécheresse | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
autres pertes de vitalité | 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 | . | |
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 | 3.4 | 0.5 | 6.9 | 1.1 | 10.5 | 1.6 | 21.1 | 2.3 | 11.2 | 1.5 | 15.5 | 1.8 | 9.1 | 0.5 | |
insectes | 0.3 | 0.2 | 0.7 | 0.3 | 0.7 | 0.4 | 0.9 | 0.5 | 0.2 | 0.2 | 0.5 | 0.3 | 0.5 | 0.1 | |
champignons | 0.4 | 0.2 | 0.2 | 0.2 | 0.8 | 0.4 | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.1 | |
vent | 0.2 | 0.1 | 1.0 | 0.4 | 1.6 | 0.6 | 0.6 | 0.4 | 0.2 | 0.2 | 0.3 | 0.3 | 0.5 | 0.1 | |
poids de la neige lourde | 0.0 | . | 0.0 | . | 0.0 | . | 1.5 | 0.7 | 0.5 | 0.3 | 0.2 | 0.2 | 0.2 | 0.1 | |
avalanche | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
lave torrentielle, glissement de terrain | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 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 | . | |
autres causes | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
perte de vitalité due à la sécheresse | 0.4 | 0.2 | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 0.0 | . | 1.2 | 0.5 | 0.3 | 0.1 | |
autres pertes de vitalité | 0.0 | . | 0.0 | . | 0.2 | 0.2 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | 0.0 | |
total | 4.7 | 0.6 | 8.8 | 1.2 | 13.7 | 1.8 | 24.8 | 2.4 | 12.2 | 1.6 | 17.7 | 1.9 | 11.1 | 0.5 | |
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 | 67.4 | 1.3 | 76.2 | 1.8 | 72.6 | 2.3 | 68.9 | 2.5 | 80.7 | 1.9 | 78.1 | 2.0 | 72.7 | 0.8 | |
insectes | 10.1 | 0.9 | 5.2 | 0.9 | 4.4 | 1.1 | 0.6 | 0.4 | 0.7 | 0.4 | 1.6 | 0.6 | 5.4 | 0.4 | |
champignons | 4.1 | 0.6 | 1.4 | 0.5 | 1.7 | 0.7 | 0.0 | . | 0.2 | 0.2 | 0.0 | . | 1.9 | 0.2 | |
vent | 7.3 | 0.7 | 6.2 | 1.0 | 5.4 | 1.1 | 2.6 | 0.9 | 4.1 | 1.0 | 1.4 | 0.6 | 5.3 | 0.4 | |
poids de la neige lourde | 1.4 | 0.3 | 1.2 | 0.5 | 1.2 | 0.6 | 1.5 | 0.7 | 0.9 | 0.5 | 0.4 | 0.3 | 1.2 | 0.2 | |
avalanche | 0.0 | . | 0.3 | 0.2 | 0.5 | 0.4 | 0.6 | 0.4 | 0.2 | 0.2 | 0.0 | . | 0.2 | 0.1 | |
lave torrentielle, glissement de terrain | 0.0 | . | 0.3 | 0.2 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.1 | 0.0 | |
crue | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 0.2 | 0.0 | . | 0.0 | 0.0 | |
incendie | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
autres causes | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
perte de vitalité due à la sécheresse | 4.5 | 0.6 | 0.4 | 0.3 | 0.2 | 0.2 | 0.6 | 0.4 | 0.5 | 0.3 | 0.2 | 0.2 | 1.8 | 0.2 | |
autres pertes de vitalité | 0.5 | 0.2 | 0.0 | . | 0.3 | 0.3 | 0.3 | 0.3 | 0.2 | 0.2 | 0.5 | 0.4 | 0.3 | 0.1 | |
total | 95.3 | 0.6 | 91.2 | 1.2 | 86.3 | 1.8 | 75.2 | 2.4 | 87.8 | 1.6 | 82.3 | 1.9 | 88.9 | 0.5 | |
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 | 70.8 | 1.3 | 83.1 | 1.6 | 83.1 | 1.9 | 90.0 | 1.7 | 91.9 | 1.3 | 93.6 | 1.2 | 81.9 | 0.6 | |
insectes | 10.4 | 0.9 | 5.9 | 1.0 | 5.1 | 1.1 | 1.6 | 0.7 | 0.9 | 0.5 | 2.1 | 0.7 | 5.9 | 0.4 | |
champignons | 4.5 | 0.6 | 1.5 | 0.5 | 2.4 | 0.8 | 0.0 | . | 0.2 | 0.2 | 0.0 | . | 2.2 | 0.3 | |
vent | 7.5 | 0.7 | 7.2 | 1.1 | 7.0 | 1.3 | 3.3 | 1.0 | 4.3 | 1.0 | 1.7 | 0.6 | 5.8 | 0.4 | |
poids de la neige lourde | 1.4 | 0.3 | 1.2 | 0.5 | 1.2 | 0.6 | 3.0 | 0.9 | 1.4 | 0.6 | 0.7 | 0.4 | 1.4 | 0.2 | |
avalanche | 0.0 | . | 0.3 | 0.2 | 0.5 | 0.4 | 0.6 | 0.4 | 0.2 | 0.2 | 0.0 | . | 0.2 | 0.1 | |
lave torrentielle, glissement de terrain | 0.0 | . | 0.3 | 0.2 | 0.0 | . | 0.3 | 0.3 | 0.0 | . | 0.0 | . | 0.1 | 0.1 | |
crue | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 0.2 | 0.0 | . | 0.0 | 0.0 | |
incendie | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
autres causes | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
perte de vitalité due à la sécheresse | 4.9 | 0.6 | 0.4 | 0.3 | 0.2 | 0.2 | 0.9 | 0.5 | 0.5 | 0.3 | 1.4 | 0.6 | 2.2 | 0.2 | |
autres pertes de vitalité | 0.5 | 0.2 | 0.0 | . | 0.5 | 0.3 | 0.3 | 0.3 | 0.2 | 0.2 | 0.5 | 0.4 | 0.4 | 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. 1271417. Birmensdorf, Swiss Federal Research Institute WSL