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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 | 4.3 | 21 | 0.0 | . | 12.3 | 12 | 62.8 | 5 | 13.1 | 12 | 92.4 | 4 | |
insectes | 0.2 | 100 | 0.0 | . | 0.6 | 58 | 1.6 | 35 | 0.2 | 100 | 2.6 | 28 | |
champignons | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
vent | 0.0 | . | 0.0 | . | 0.4 | 71 | 1.8 | 33 | 0.0 | . | 2.2 | 30 | |
poids de la neige lourde | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.2 | 100 | 0.4 | 71 | 0.8 | 50 | |
avalanche | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.2 | 100 | 0.4 | 71 | |
lave torrentielle, glissement de terrain | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
crue | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.2 | 100 | |
incendie | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
perte de vitalité | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.2 | 100 | |
autres causes | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.2 | 100 | |
total | 4.5 | 21 | 0.0 | . | 13.5 | 12 | 67.1 | 5 | 13.9 | 11 | 98.9 | 4 | |
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 | 169.8 | 2 | 189.1 | 2 | 187.0 | 2 | 306.6 | 2 | 141.1 | 2 | 993.4 | 1 | |
insectes | 10.7 | 13 | 14.7 | 11 | 11.5 | 13 | 4.7 | 20 | 0.4 | 71 | 41.9 | 7 | |
champignons | 1.6 | 35 | 4.2 | 22 | 0.4 | 71 | 0.0 | . | 0.0 | . | 6.2 | 18 | |
vent | 6.5 | 17 | 10.3 | 14 | 5.0 | 20 | 7.1 | 17 | 1.2 | 41 | 30.1 | 8 | |
poids de la neige lourde | 1.2 | 41 | 4.1 | 22 | 2.9 | 27 | 5.7 | 18 | 1.2 | 41 | 15.1 | 11 | |
avalanche | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.4 | 71 | 0.6 | 58 | |
lave torrentielle, glissement de terrain | 0.0 | . | 0.8 | 50 | 1.0 | 45 | 0.2 | 100 | 0.0 | . | 2.0 | 32 | |
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 | 5.7 | 18 | 3.8 | 23 | 1.1 | 45 | 1.4 | 38 | 0.2 | 100 | 12.1 | 13 | |
autres causes | 0.2 | 100 | 1.0 | 45 | 0.0 | . | 0.6 | 58 | 0.0 | . | 1.8 | 33 | |
total | 195.6 | 1 | 227.9 | 1 | 208.8 | 1 | 326.6 | 2 | 144.4 | 2 | 1103.2 | 1 | |
total | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
aucune exploitation forcée n'a eu lieu | 174.1 | 2 | 189.1 | 2 | 199.2 | 2 | 369.4 | 1 | 154.1 | 2 | 1085.9 | 1 | |
insectes | 10.9 | 13 | 14.7 | 11 | 12.1 | 13 | 6.3 | 18 | 0.6 | 58 | 44.5 | 7 | |
champignons | 1.6 | 35 | 4.2 | 22 | 0.4 | 71 | 0.0 | . | 0.0 | . | 6.2 | 18 | |
vent | 6.5 | 17 | 10.3 | 14 | 5.4 | 19 | 8.9 | 15 | 1.2 | 41 | 32.3 | 8 | |
poids de la neige lourde | 1.2 | 41 | 4.1 | 22 | 3.1 | 26 | 5.9 | 18 | 1.5 | 35 | 15.9 | 11 | |
avalanche | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 71 | 0.6 | 58 | 1.0 | 45 | |
lave torrentielle, glissement de terrain | 0.0 | . | 0.8 | 50 | 1.0 | 45 | 0.2 | 100 | 0.0 | . | 2.0 | 32 | |
crue | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.2 | 100 | |
incendie | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
perte de vitalité | 5.7 | 18 | 3.8 | 23 | 1.1 | 45 | 1.6 | 35 | 0.2 | 100 | 12.3 | 13 | |
autres causes | 0.2 | 100 | 1.0 | 45 | 0.0 | . | 0.8 | 50 | 0.0 | . | 2.0 | 32 | |
total | 200.1 | 1 | 227.9 | 1 | 222.3 | 1 | 393.7 | 1 | 158.3 | 2 | 1202.2 | 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. 1218577. Birmensdorf, Swiss Federal Research Institute WSL