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région de forêt protectrice | |||||||||||||||
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Plateau/Jura | Nord des Alpes ouest | Nord des Alpes est | Sud-ouest des Alpes | Sud-est des Alpes | Sud des Alpes | Suisse | |||||||||
présence d'ornières (perturbations du sol) | déclivité (classes de 20%) | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
pas d'indication | pas d'indication | . | . | . | . | . | . | . | . | . | . | . | . | . | . |
=20% | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
21-40% | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
41-60% | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
61-80% | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
81-100% | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
>100% | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
total | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
type d'ornière 1 (perturbation légère) | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | . | . | . | . | 0.0 | . |
=20% | 79.3 | 4.0 | 57.3 | 14.9 | 0.0 | . | 0.0 | . | . | . | . | . | 75.7 | 4.0 | |
21-40% | 19.8 | 4.0 | 34.9 | 14.3 | 100.0 | 0.0 | 0.0 | . | . | . | . | . | 21.8 | 3.9 | |
41-60% | 1.0 | 1.0 | 7.8 | 7.5 | 0.0 | . | 100.0 | 0.0 | . | . | . | . | 2.5 | 1.4 | |
61-80% | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | . | . | . | . | 0.0 | . | |
81-100% | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | . | . | . | . | 0.0 | . | |
>100% | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | . | . | . | . | 0.0 | . | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | . | . | . | . | 100.0 | . | |
type d'ornière 2 (perturbation modérée) | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | . | . | 0.0 | . | . | . | 0.0 | . |
=20% | 83.2 | 5.4 | 58.3 | 18.6 | 0.0 | . | . | . | 0.0 | . | . | . | 76.9 | 5.6 | |
21-40% | 16.8 | 5.4 | 41.7 | 18.6 | 0.0 | . | . | . | 100.0 | 0.0 | . | . | 21.2 | 5.5 | |
41-60% | 0.0 | . | 0.0 | . | 100.0 | 0.0 | . | . | 0.0 | . | . | . | 1.8 | 1.8 | |
61-80% | 0.0 | . | 0.0 | . | 0.0 | . | . | . | 0.0 | . | . | . | 0.0 | . | |
81-100% | 0.0 | . | 0.0 | . | 0.0 | . | . | . | 0.0 | . | . | . | 0.0 | . | |
>100% | 0.0 | . | 0.0 | . | 0.0 | . | . | . | 0.0 | . | . | . | 0.0 | . | |
total | 100.0 | . | 100.0 | . | 100.0 | . | . | . | 100.0 | . | . | . | 100.0 | . | |
type d'ornière 3 (perturbation forte) | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | . | . | 0.0 | . | . | . | 0.0 | . |
=20% | 74.3 | 9.1 | 0.0 | . | 100.0 | 0.0 | . | . | 0.0 | . | . | . | 58.9 | 8.8 | |
21-40% | 25.7 | 9.1 | 100.0 | 0.0 | 0.0 | . | . | . | 100.0 | 0.0 | . | . | 41.1 | 8.8 | |
41-60% | 0.0 | . | 0.0 | . | 0.0 | . | . | . | 0.0 | . | . | . | 0.0 | . | |
61-80% | 0.0 | . | 0.0 | . | 0.0 | . | . | . | 0.0 | . | . | . | 0.0 | . | |
81-100% | 0.0 | . | 0.0 | . | 0.0 | . | . | . | 0.0 | . | . | . | 0.0 | . | |
>100% | 0.0 | . | 0.0 | . | 0.0 | . | . | . | 0.0 | . | . | . | 0.0 | . | |
total | 100.0 | . | 100.0 | . | 100.0 | . | . | . | 100.0 | . | . | . | 100.0 | . | |
pas d'ornières présentes | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
=20% | 45.2 | 1.1 | 10.0 | 1.0 | 9.7 | 1.2 | 2.6 | 0.7 | 6.0 | 0.9 | 3.3 | 0.6 | 20.0 | 0.5 | |
21-40% | 30.7 | 1.0 | 25.6 | 1.4 | 25.1 | 1.7 | 11.5 | 1.3 | 18.1 | 1.4 | 12.9 | 1.2 | 23.2 | 0.6 | |
41-60% | 17.1 | 0.8 | 29.0 | 1.4 | 28.6 | 1.8 | 32.7 | 1.9 | 36.3 | 1.8 | 26.7 | 1.6 | 25.8 | 0.6 | |
61-80% | 5.6 | 0.5 | 24.1 | 1.4 | 23.0 | 1.6 | 34.4 | 2.0 | 26.6 | 1.6 | 29.1 | 1.6 | 19.6 | 0.5 | |
81-100% | 1.2 | 0.2 | 8.0 | 0.9 | 9.6 | 1.1 | 14.1 | 1.4 | 9.4 | 1.1 | 17.6 | 1.4 | 7.9 | 0.3 | |
>100% | 0.2 | 0.1 | 3.3 | 0.6 | 4.0 | 0.8 | 4.7 | 0.9 | 3.5 | 0.7 | 10.5 | 1.1 | 3.4 | 0.2 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
total | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
=20% | 47.9 | 1.0 | 10.8 | 1.0 | 9.9 | 1.2 | 2.6 | 0.7 | 6.0 | 0.9 | 3.3 | 0.6 | 21.8 | 0.5 | |
21-40% | 29.8 | 1.0 | 26.3 | 1.4 | 25.1 | 1.7 | 11.5 | 1.3 | 18.4 | 1.4 | 12.9 | 1.2 | 23.3 | 0.5 | |
41-60% | 15.8 | 0.8 | 28.4 | 1.4 | 28.6 | 1.8 | 32.8 | 1.9 | 36.2 | 1.8 | 26.7 | 1.6 | 25.0 | 0.6 | |
61-80% | 5.2 | 0.5 | 23.5 | 1.3 | 22.9 | 1.6 | 34.3 | 2.0 | 26.5 | 1.6 | 29.1 | 1.6 | 18.9 | 0.5 | |
81-100% | 1.1 | 0.2 | 7.8 | 0.8 | 9.5 | 1.1 | 14.1 | 1.4 | 9.4 | 1.1 | 17.6 | 1.4 | 7.7 | 0.3 | |
>100% | 0.2 | 0.1 | 3.2 | 0.5 | 4.0 | 0.8 | 4.7 | 0.9 | 3.5 | 0.7 | 10.5 | 1.1 | 3.3 | 0.2 | |
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. 1361573. Birmensdorf, Swiss Federal Research Institute WSL