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région de production | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jura | Plateau | Préalpes | Alpes | Sud des Alpes | Suisse | ||||||||
forêt de protection contre des avalanches (2022) | cause de l'exploitation forcée (caractéristique liée à la surface) | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% |
pas d'indication | pas d'indication | 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 | . | |
insectes | 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 | . | |
vent | 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 | . | |
avalanche | 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 | . | |
crue | 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 | . | |
perte de vitalité | 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 | . | |
total | 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 | . |
aucune exploitation forcée n'a eu lieu | 4.4 | 28 | 0.0 | . | 11.9 | 16 | 63.9 | 7 | 13.9 | 15 | 93.9 | 6 | |
insectes | 0.0 | . | 0.0 | . | 0.3 | 100 | 1.1 | 58 | 0.3 | 100 | 1.8 | 45 | |
champignons | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
vent | 0.0 | . | 0.0 | . | 0.4 | 100 | 1.4 | 50 | 0.0 | . | 1.7 | 45 | |
poids de la neige lourde | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.0 | . | 0.4 | 100 | 0.8 | 71 | |
avalanche | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.4 | 100 | |
lave torrentielle, glissement de terrain | 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 | . | |
incendie | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
perte de vitalité | 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 | . | |
total | 4.4 | 28 | 0.0 | . | 13.0 | 16 | 66.3 | 7 | 14.9 | 15 | 98.6 | 6 | |
à l'extérieur | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
aucune exploitation forcée n'a eu lieu | 168.7 | 2 | 185.4 | 2 | 187.9 | 2 | 305.0 | 2 | 134.8 | 3 | 981.8 | 1 | |
insectes | 8.0 | 21 | 16.8 | 14 | 8.6 | 21 | 3.2 | 33 | 0.3 | 100 | 37.0 | 10 | |
champignons | 0.7 | 71 | 2.1 | 41 | 0.4 | 100 | 0.0 | . | 0.0 | . | 3.1 | 33 | |
vent | 8.1 | 20 | 10.9 | 17 | 3.3 | 34 | 5.3 | 26 | 1.1 | 58 | 28.7 | 11 | |
poids de la neige lourde | 1.4 | 50 | 5.2 | 25 | 2.9 | 35 | 4.5 | 28 | 0.7 | 70 | 14.7 | 15 | |
avalanche | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.7 | 71 | 1.0 | 58 | |
lave torrentielle, glissement de terrain | 0.0 | . | 0.7 | 71 | 0.4 | 100 | 0.0 | . | 0.0 | . | 1.1 | 58 | |
crue | 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 | . | |
perte de vitalité | 3.5 | 31 | 2.8 | 35 | 0.7 | 71 | 1.1 | 58 | 0.0 | . | 8.0 | 21 | |
autres causes | 0.3 | 100 | 1.7 | 45 | 0.0 | . | 0.4 | 100 | 0.0 | . | 2.4 | 38 | |
total | 190.7 | 2 | 225.6 | 1 | 204.2 | 2 | 319.8 | 2 | 137.6 | 3 | 1077.9 | 1 | |
total | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
aucune exploitation forcée n'a eu lieu | 173.1 | 2 | 185.4 | 2 | 199.8 | 2 | 368.9 | 2 | 148.6 | 2 | 1075.8 | 1 | |
insectes | 8.0 | 21 | 16.8 | 14 | 8.9 | 20 | 4.3 | 29 | 0.6 | 70 | 38.7 | 9 | |
champignons | 0.7 | 71 | 2.1 | 41 | 0.4 | 100 | 0.0 | . | 0.0 | . | 3.1 | 33 | |
vent | 8.1 | 20 | 10.9 | 17 | 3.7 | 32 | 6.6 | 23 | 1.1 | 58 | 30.4 | 11 | |
poids de la neige lourde | 1.4 | 50 | 5.2 | 25 | 3.3 | 33 | 4.5 | 28 | 1.1 | 57 | 15.5 | 15 | |
avalanche | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | 1.0 | 58 | 1.4 | 50 | |
lave torrentielle, glissement de terrain | 0.0 | . | 0.7 | 71 | 0.4 | 100 | 0.0 | . | 0.0 | . | 1.1 | 58 | |
crue | 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 | . | |
perte de vitalité | 3.5 | 31 | 2.8 | 35 | 0.7 | 71 | 1.1 | 58 | 0.0 | . | 8.0 | 21 | |
autres causes | 0.3 | 100 | 1.7 | 45 | 0.0 | . | 0.4 | 100 | 0.0 | . | 2.4 | 38 | |
total | 195.1 | 1 | 225.6 | 1 | 217.1 | 2 | 386.1 | 1 | 152.5 | 2 | 1176.4 | 1 |
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. 1218559. Birmensdorf, Swiss Federal Research Institute WSL