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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 | 3.7 | 23 | 0.0 | . | 9.3 | 14 | 57.0 | 5 | 13.8 | 11 | 83.8 | 5 | |
insectes | 0.0 | . | 0.0 | . | 1.5 | 35 | 4.6 | 21 | 0.4 | 70 | 6.5 | 17 | |
champignons | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
vent | 0.6 | 58 | 0.0 | . | 2.4 | 29 | 2.6 | 28 | 0.0 | . | 5.6 | 19 | |
poids de la neige lourde | 0.2 | 100 | 0.0 | . | 0.2 | 100 | 0.8 | 50 | 0.0 | . | 1.2 | 41 | |
avalanche | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 71 | 0.0 | . | 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 | . | 0.0 | . | 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 | . | 0.4 | 71 | 0.0 | . | 0.4 | 71 | |
autres causes | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 71 | 0.0 | . | 0.4 | 71 | |
total | 4.5 | 21 | 0.0 | . | 13.4 | 12 | 66.1 | 5 | 14.2 | 11 | 98.3 | 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 | 151.7 | 2 | 149.5 | 2 | 142.2 | 3 | 274.2 | 2 | 136.5 | 2 | 854.1 | 1 | |
insectes | 13.3 | 12 | 23.7 | 9 | 18.0 | 10 | 14.3 | 12 | 1.0 | 45 | 70.2 | 5 | |
champignons | 0.0 | . | 0.8 | 50 | 0.2 | 100 | 0.0 | . | 0.0 | . | 1.0 | 45 | |
vent | 25.0 | 8 | 49.3 | 6 | 38.7 | 7 | 10.1 | 14 | 0.8 | 50 | 123.9 | 4 | |
poids de la neige lourde | 0.4 | 71 | 1.8 | 33 | 1.5 | 38 | 5.4 | 19 | 0.4 | 70 | 9.4 | 15 | |
avalanche | 0.0 | . | 0.0 | . | 0.0 | . | 3.2 | 25 | 0.0 | . | 3.2 | 25 | |
lave torrentielle, glissement de terrain | 0.0 | . | 0.6 | 57 | 2.1 | 32 | 1.8 | 33 | 0.2 | 100 | 4.7 | 21 | |
crue | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 71 | 0.0 | . | 0.4 | 71 | |
incendie | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.4 | 71 | 0.6 | 58 | |
perte de vitalité | 3.2 | 25 | 1.8 | 33 | 2.7 | 28 | 1.4 | 38 | 0.0 | . | 9.0 | 15 | |
autres causes | 1.0 | 45 | 0.8 | 50 | 0.0 | . | 1.0 | 45 | 0.2 | 100 | 3.0 | 26 | |
total | 194.6 | 1 | 228.3 | 1 | 205.3 | 1 | 311.9 | 2 | 139.4 | 2 | 1079.6 | 1 | |
total | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
aucune exploitation forcée n'a eu lieu | 155.4 | 2 | 149.5 | 2 | 151.5 | 2 | 331.2 | 1 | 150.3 | 2 | 937.8 | 1 | |
insectes | 13.3 | 12 | 23.7 | 9 | 19.5 | 10 | 18.9 | 10 | 1.4 | 38 | 76.7 | 5 | |
champignons | 0.0 | . | 0.8 | 50 | 0.2 | 100 | 0.0 | . | 0.0 | . | 1.0 | 45 | |
vent | 25.6 | 8 | 49.3 | 6 | 41.1 | 6 | 12.7 | 12 | 0.8 | 50 | 129.5 | 4 | |
poids de la neige lourde | 0.6 | 58 | 1.8 | 33 | 1.7 | 35 | 6.1 | 18 | 0.4 | 70 | 10.6 | 14 | |
avalanche | 0.0 | . | 0.0 | . | 0.0 | . | 3.6 | 24 | 0.0 | . | 3.6 | 24 | |
lave torrentielle, glissement de terrain | 0.0 | . | 0.6 | 57 | 2.1 | 32 | 1.8 | 33 | 0.2 | 100 | 4.7 | 21 | |
crue | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 71 | 0.0 | . | 0.4 | 71 | |
incendie | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.4 | 71 | 0.6 | 58 | |
perte de vitalité | 3.2 | 25 | 1.8 | 33 | 2.7 | 28 | 1.8 | 33 | 0.0 | . | 9.4 | 15 | |
autres causes | 1.0 | 45 | 0.8 | 50 | 0.0 | . | 1.4 | 38 | 0.2 | 100 | 3.4 | 24 | |
total | 199.2 | 1 | 228.3 | 1 | 218.7 | 1 | 378.0 | 1 | 153.7 | 2 | 1177.9 | 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. 1218520. Birmensdorf, Swiss Federal Research Institute WSL