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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 | 7.2 | 1.1 | 11.3 | 1.7 | 24.5 | 2.6 | 11.3 | 1.7 | 17.4 | 2.1 | 9.4 | 0.5 | |
insectes | 0.3 | 0.2 | 0.5 | 0.3 | 0.8 | 0.5 | 1.1 | 0.7 | 0.3 | 0.3 | 0.6 | 0.4 | 0.5 | 0.1 | |
champignons | 0.4 | 0.2 | 0.2 | 0.2 | 0.9 | 0.5 | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.1 | |
vent | 0.2 | 0.1 | 1.1 | 0.5 | 1.8 | 0.7 | 0.8 | 0.5 | 0.3 | 0.3 | 0.3 | 0.3 | 0.6 | 0.1 | |
poids de la neige lourde | 0.0 | . | 0.0 | . | 0.0 | . | 1.5 | 0.7 | 0.6 | 0.4 | 0.0 | . | 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 | . | 0.4 | 0.4 | 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 | . | 0.4 | 0.4 | 0.0 | . | 1.5 | 0.7 | 0.4 | 0.1 | |
autres pertes de vitalité | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | 0.0 | |
total | 4.8 | 0.6 | 9.1 | 1.3 | 15.1 | 2.0 | 28.7 | 2.8 | 12.5 | 1.8 | 19.8 | 2.2 | 11.5 | 0.6 | |
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 | 67.5 | 1.3 | 75.0 | 1.9 | 71.1 | 2.5 | 64.8 | 2.9 | 79.5 | 2.2 | 75.5 | 2.4 | 71.3 | 0.8 | |
insectes | 10.2 | 0.9 | 5.5 | 1.0 | 4.6 | 1.2 | 0.8 | 0.5 | 0.9 | 0.5 | 2.0 | 0.8 | 5.9 | 0.4 | |
champignons | 4.0 | 0.6 | 1.5 | 0.6 | 1.6 | 0.7 | 0.0 | . | 0.3 | 0.3 | 0.0 | . | 2.1 | 0.3 | |
vent | 7.2 | 0.7 | 6.8 | 1.1 | 5.6 | 1.3 | 2.8 | 1.0 | 4.8 | 1.2 | 1.8 | 0.7 | 5.7 | 0.4 | |
poids de la neige lourde | 1.4 | 0.3 | 1.1 | 0.5 | 1.1 | 0.6 | 1.5 | 0.7 | 0.9 | 0.5 | 0.3 | 0.3 | 1.2 | 0.2 | |
avalanche | 0.0 | . | 0.2 | 0.2 | 0.3 | 0.3 | 0.7 | 0.5 | 0.3 | 0.3 | 0.0 | . | 0.2 | 0.1 | |
lave torrentielle, glissement de terrain | 0.0 | . | 0.4 | 0.3 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.1 | 0.0 | |
crue | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 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 | 4.3 | 0.6 | 0.4 | 0.3 | 0.3 | 0.3 | 0.7 | 0.5 | 0.3 | 0.3 | 0.0 | . | 1.9 | 0.2 | |
autres pertes de vitalité | 0.5 | 0.2 | 0.0 | . | 0.3 | 0.3 | 0.0 | . | 0.3 | 0.3 | 0.7 | 0.5 | 0.3 | 0.1 | |
total | 95.2 | 0.6 | 90.9 | 1.3 | 84.9 | 2.0 | 71.3 | 2.8 | 87.5 | 1.8 | 80.2 | 2.2 | 88.5 | 0.6 | |
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 | 70.9 | 1.3 | 82.2 | 1.7 | 82.5 | 2.1 | 89.3 | 1.9 | 90.8 | 1.6 | 92.8 | 1.4 | 80.6 | 0.7 | |
insectes | 10.6 | 0.9 | 6.1 | 1.0 | 5.5 | 1.3 | 1.9 | 0.8 | 1.2 | 0.6 | 2.6 | 0.9 | 6.4 | 0.4 | |
champignons | 4.4 | 0.6 | 1.7 | 0.6 | 2.5 | 0.9 | 0.0 | . | 0.3 | 0.3 | 0.0 | . | 2.4 | 0.3 | |
vent | 7.4 | 0.8 | 8.0 | 1.2 | 7.4 | 1.4 | 3.6 | 1.1 | 5.1 | 1.2 | 2.1 | 0.8 | 6.3 | 0.4 | |
poids de la neige lourde | 1.4 | 0.3 | 1.1 | 0.5 | 1.1 | 0.6 | 2.9 | 1.0 | 1.5 | 0.7 | 0.3 | 0.3 | 1.4 | 0.2 | |
avalanche | 0.0 | . | 0.2 | 0.2 | 0.3 | 0.3 | 0.7 | 0.5 | 0.3 | 0.3 | 0.0 | . | 0.2 | 0.1 | |
lave torrentielle, glissement de terrain | 0.0 | . | 0.4 | 0.3 | 0.0 | . | 0.4 | 0.4 | 0.0 | . | 0.0 | . | 0.1 | 0.1 | |
crue | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 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 | 4.7 | 0.6 | 0.4 | 0.3 | 0.3 | 0.3 | 1.1 | 0.6 | 0.3 | 0.3 | 1.5 | 0.7 | 2.3 | 0.3 | |
autres pertes de vitalité | 0.5 | 0.2 | 0.0 | . | 0.6 | 0.4 | 0.0 | . | 0.3 | 0.3 | 0.7 | 0.5 | 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. 1271412. Birmensdorf, Swiss Federal Research Institute WSL