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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 | |||||||||
date de la dernière intervention (classes de 10 ans) | fertilité de la station | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
pas d'indication | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
faible | 0.0 | . | 0.0 | . | 0.2 | 0.2 | 0.0 | . | 0.3 | 0.2 | 0.0 | . | 0.1 | 0.0 | |
moyenne | 0.0 | 0.0 | 0.3 | 0.2 | 0.3 | 0.2 | 0.9 | 0.4 | 1.3 | 0.4 | 0.3 | 0.2 | 0.4 | 0.1 | |
bonne | 0.1 | 0.1 | 0.3 | 0.2 | 0.5 | 0.3 | 0.2 | 0.2 | 0.1 | 0.1 | 0.6 | 0.3 | 0.2 | 0.1 | |
très bonne | 0.4 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | 0.0 | . | 0.0 | . | 0.2 | 0.1 | |
total | 0.6 | 0.2 | 0.7 | 0.3 | 1.1 | 0.4 | 1.3 | 0.5 | 1.8 | 0.5 | 0.9 | 0.4 | 0.9 | 0.1 | |
il y a =10 ans | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
faible | 3.1 | 0.4 | 6.8 | 0.8 | 4.4 | 0.8 | 2.2 | 0.6 | 4.6 | 0.8 | 0.3 | 0.2 | 3.6 | 0.2 | |
moyenne | 3.9 | 0.4 | 10.8 | 1.0 | 6.7 | 1.0 | 16.4 | 1.6 | 20.5 | 1.5 | 4.3 | 0.8 | 8.6 | 0.4 | |
bonne | 19.1 | 0.8 | 19.3 | 1.3 | 23.7 | 1.7 | 1.5 | 0.5 | 6.7 | 0.9 | 6.8 | 1.0 | 15.0 | 0.5 | |
très bonne | 35.8 | 1.0 | 5.1 | 0.7 | 5.6 | 0.9 | 0.9 | 0.4 | 0.0 | . | 0.3 | 0.2 | 15.1 | 0.4 | |
total | 61.9 | 1.0 | 42.0 | 1.6 | 40.4 | 1.9 | 21.0 | 1.8 | 31.7 | 1.8 | 11.7 | 1.2 | 42.4 | 0.6 | |
il y a 11-20 ans | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
faible | 2.1 | 0.3 | 3.5 | 0.6 | 2.2 | 0.6 | 2.4 | 0.7 | 3.9 | 0.7 | 0.1 | 0.1 | 2.3 | 0.2 | |
moyenne | 1.9 | 0.3 | 7.2 | 0.8 | 5.1 | 0.9 | 12.1 | 1.4 | 16.2 | 1.4 | 4.5 | 0.8 | 6.2 | 0.3 | |
bonne | 8.3 | 0.6 | 11.4 | 1.0 | 13.6 | 1.4 | 0.7 | 0.4 | 3.2 | 0.7 | 6.7 | 1.0 | 7.9 | 0.4 | |
très bonne | 11.4 | 0.7 | 3.8 | 0.6 | 4.9 | 0.9 | 0.0 | . | 0.0 | . | 0.0 | . | 5.5 | 0.3 | |
total | 23.7 | 0.9 | 25.9 | 1.4 | 25.7 | 1.7 | 15.2 | 1.5 | 23.3 | 1.6 | 11.3 | 1.2 | 22.0 | 0.5 | |
il y a 21-30 ans | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
faible | 1.0 | 0.2 | 1.6 | 0.4 | 2.2 | 0.6 | 3.6 | 0.8 | 1.6 | 0.5 | 0.6 | 0.3 | 1.5 | 0.2 | |
moyenne | 0.8 | 0.2 | 4.5 | 0.7 | 2.3 | 0.6 | 9.9 | 1.3 | 7.4 | 1.0 | 3.8 | 0.7 | 3.6 | 0.2 | |
bonne | 2.2 | 0.3 | 4.9 | 0.7 | 5.2 | 0.9 | 0.4 | 0.3 | 1.3 | 0.4 | 4.9 | 0.8 | 3.1 | 0.2 | |
très bonne | 2.9 | 0.4 | 1.0 | 0.3 | 1.4 | 0.5 | 0.5 | 0.3 | 0.0 | . | 0.2 | 0.2 | 1.5 | 0.2 | |
total | 6.9 | 0.5 | 12.1 | 1.0 | 11.0 | 1.2 | 14.3 | 1.5 | 10.3 | 1.2 | 9.5 | 1.1 | 9.7 | 0.4 | |
il y a 31-40 ans | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
faible | 0.6 | 0.2 | 1.2 | 0.3 | 0.8 | 0.3 | 2.2 | 0.6 | 1.6 | 0.5 | 0.7 | 0.3 | 1.0 | 0.1 | |
moyenne | 0.2 | 0.1 | 2.4 | 0.5 | 1.8 | 0.5 | 10.6 | 1.3 | 6.0 | 0.9 | 4.2 | 0.7 | 2.9 | 0.2 | |
bonne | 1.1 | 0.2 | 1.7 | 0.4 | 2.5 | 0.6 | 0.2 | 0.2 | 0.6 | 0.3 | 5.4 | 0.9 | 1.7 | 0.2 | |
très bonne | 0.8 | 0.2 | 0.2 | 0.1 | 0.8 | 0.4 | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 0.1 | |
total | 2.8 | 0.4 | 5.5 | 0.7 | 5.9 | 0.9 | 13.0 | 1.5 | 8.2 | 1.0 | 10.3 | 1.2 | 6.1 | 0.3 | |
il y a 41-50 ans | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
faible | 0.3 | 0.1 | 1.6 | 0.4 | 1.4 | 0.5 | 2.2 | 0.6 | 1.8 | 0.5 | 0.3 | 0.2 | 1.0 | 0.1 | |
moyenne | 0.1 | 0.1 | 1.3 | 0.4 | 1.3 | 0.4 | 7.2 | 1.1 | 1.9 | 0.5 | 5.3 | 0.9 | 2.0 | 0.2 | |
bonne | 0.5 | 0.2 | 0.8 | 0.3 | 1.4 | 0.5 | 0.0 | . | 1.0 | 0.4 | 8.3 | 1.0 | 1.6 | 0.2 | |
très bonne | 0.3 | 0.1 | 0.1 | 0.1 | 0.3 | 0.2 | 0.2 | 0.2 | 0.0 | . | 0.5 | 0.3 | 0.3 | 0.1 | |
total | 1.2 | 0.2 | 3.8 | 0.6 | 4.4 | 0.8 | 9.6 | 1.3 | 4.7 | 0.8 | 14.4 | 1.3 | 4.8 | 0.3 | |
il y a 51-100 ans | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
faible | 0.1 | 0.1 | 0.3 | 0.2 | 0.6 | 0.3 | 1.3 | 0.5 | 1.4 | 0.5 | 0.6 | 0.3 | 0.5 | 0.1 | |
moyenne | 0.1 | 0.1 | 0.8 | 0.3 | 0.4 | 0.2 | 3.7 | 0.8 | 1.5 | 0.5 | 6.0 | 0.9 | 1.5 | 0.2 | |
bonne | 0.1 | 0.1 | 0.7 | 0.3 | 1.1 | 0.4 | 0.2 | 0.2 | 0.0 | . | 6.2 | 0.9 | 1.1 | 0.1 | |
très bonne | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.1 | 0.0 | |
total | 0.5 | 0.1 | 1.9 | 0.4 | 2.1 | 0.5 | 5.2 | 1.0 | 2.9 | 0.6 | 12.8 | 1.3 | 3.1 | 0.2 | |
il y a >100 ans ou jamais aucune intervention | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
faible | 0.5 | 0.1 | 3.2 | 0.6 | 3.5 | 0.7 | 5.7 | 1.0 | 8.2 | 1.0 | 2.4 | 0.6 | 2.9 | 0.2 | |
moyenne | 0.5 | 0.2 | 3.0 | 0.5 | 2.2 | 0.6 | 14.5 | 1.5 | 7.1 | 1.0 | 15.9 | 1.3 | 5.1 | 0.3 | |
bonne | 0.8 | 0.2 | 1.7 | 0.4 | 3.5 | 0.7 | 0.2 | 0.2 | 1.9 | 0.5 | 10.7 | 1.2 | 2.5 | 0.2 | |
très bonne | 0.7 | 0.2 | 0.2 | 0.1 | 0.2 | 0.2 | 0.0 | . | 0.0 | . | 0.2 | 0.2 | 0.4 | 0.1 | |
total | 2.5 | 0.3 | 8.1 | 0.9 | 9.3 | 1.1 | 20.4 | 1.7 | 17.2 | 1.4 | 29.2 | 1.7 | 10.9 | 0.4 | |
total | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
faible | 7.7 | 0.6 | 18.2 | 1.2 | 15.1 | 1.4 | 19.6 | 1.7 | 23.4 | 1.6 | 5.0 | 0.8 | 13.1 | 0.4 | |
moyenne | 7.5 | 0.5 | 30.4 | 1.4 | 20.1 | 1.6 | 75.3 | 1.9 | 61.9 | 1.8 | 44.3 | 1.8 | 30.3 | 0.5 | |
bonne | 32.1 | 1.0 | 40.8 | 1.6 | 51.4 | 2.0 | 3.3 | 0.8 | 14.7 | 1.3 | 49.6 | 1.8 | 33.1 | 0.6 | |
très bonne | 52.7 | 1.0 | 10.6 | 1.0 | 13.4 | 1.3 | 1.8 | 0.6 | 0.0 | . | 1.1 | 0.4 | 23.5 | 0.5 | |
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. 1226191. Birmensdorf, Swiss Federal Research Institute WSL