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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 | . | 10.9 | 17 | 58.9 | 7 | 12.5 | 16 | 86.6 | 6 | |
insectes | 0.0 | . | 0.0 | . | 0.3 | 100 | 0.7 | 71 | 0.3 | 100 | 1.4 | 50 | |
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 | . | 12.0 | 16 | 61.0 | 7 | 13.6 | 15 | 90.9 | 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 | 162.9 | 2 | 181.5 | 2 | 173.1 | 3 | 243.5 | 2 | 104.7 | 3 | 865.7 | 1 | |
insectes | 8.0 | 21 | 16.8 | 14 | 8.6 | 21 | 2.9 | 35 | 0.3 | 100 | 36.6 | 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 | 4.9 | 27 | 1.1 | 58 | 28.3 | 11 | |
poids de la neige lourde | 1.4 | 50 | 4.8 | 26 | 2.9 | 35 | 4.2 | 29 | 0.7 | 70 | 14.0 | 16 | |
avalanche | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.4 | 100 | |
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 | 2.5 | 38 | 0.7 | 71 | 0.7 | 71 | 0.0 | . | 7.4 | 22 | |
autres causes | 0.3 | 100 | 1.7 | 45 | 0.0 | . | 0.0 | . | 0.0 | . | 2.0 | 41 | |
total | 185.0 | 2 | 221.0 | 1 | 189.3 | 2 | 256.2 | 2 | 107.1 | 3 | 958.6 | 1 | |
total | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
aucune exploitation forcée n'a eu lieu | 167.3 | 2 | 181.5 | 2 | 183.9 | 2 | 302.4 | 2 | 117.2 | 3 | 952.3 | 1 | |
insectes | 8.0 | 21 | 16.8 | 14 | 8.9 | 20 | 3.6 | 32 | 0.6 | 70 | 38.0 | 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 | 6.3 | 23 | 1.1 | 58 | 30.0 | 11 | |
poids de la neige lourde | 1.4 | 50 | 4.8 | 26 | 3.3 | 33 | 4.2 | 29 | 1.1 | 57 | 14.8 | 15 | |
avalanche | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.7 | 71 | 0.7 | 71 | |
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 | 2.5 | 38 | 0.7 | 71 | 0.7 | 71 | 0.0 | . | 7.4 | 22 | |
autres causes | 0.3 | 100 | 1.7 | 45 | 0.0 | . | 0.0 | . | 0.0 | . | 2.0 | 41 | |
total | 189.3 | 2 | 221.0 | 1 | 201.3 | 2 | 317.1 | 2 | 120.7 | 3 | 1049.5 | 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. 1218541. Birmensdorf, Swiss Federal Research Institute WSL