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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 | . | . | . | 0.0 | . |
=20% | 69.6 | 4.3 | 22.0 | 13.7 | 24.5 | 21.4 | 50.5 | 35.4 | 0.0 | . | . | . | 63.1 | 4.2 | |
21-40% | 21.2 | 3.8 | 19.9 | 12.8 | 30.0 | 24.3 | 0.0 | . | 51.5 | 35.3 | . | . | 21.5 | 3.6 | |
41-60% | 9.1 | 2.8 | 48.1 | 16.0 | 24.5 | 21.4 | 49.5 | 35.4 | 48.5 | 35.3 | . | . | 14.0 | 3.1 | |
61-80% | 0.0 | . | 9.9 | 9.4 | 21.1 | 19.2 | 0.0 | . | 0.0 | . | . | . | 1.5 | 1.0 | |
81-100% | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | . | . | 0.0 | . | |
>100% | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | . | . | 0.0 | . | |
total | 100.0 | . | 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 | . |
=20% | 81.4 | 5.3 | 9.6 | 9.2 | . | . | . | . | 0.0 | . | . | . | 68.5 | 5.8 | |
21-40% | 16.8 | 5.1 | 71.4 | 14.1 | . | . | . | . | 100.0 | 0.0 | . | . | 26.9 | 5.6 | |
41-60% | 1.8 | 1.8 | 19.0 | 12.2 | . | . | . | . | 0.0 | . | . | . | 4.6 | 2.6 | |
61-80% | 0.0 | . | 0.0 | . | . | . | . | . | 0.0 | . | . | . | 0.0 | . | |
81-100% | 0.0 | . | 0.0 | . | . | . | . | . | 0.0 | . | . | . | 0.0 | . | |
>100% | 0.0 | . | 0.0 | . | . | . | . | . | 0.0 | . | . | . | 0.0 | . | |
total | 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 | . |
=20% | 79.5 | 8.2 | 35.1 | 28.0 | 0.0 | . | . | . | . | . | . | . | 72.5 | 8.4 | |
21-40% | 20.5 | 8.2 | 64.9 | 28.0 | 0.0 | . | . | . | . | . | . | . | 24.5 | 8.1 | |
41-60% | 0.0 | . | 0.0 | . | 100.0 | 0.0 | . | . | . | . | . | . | 3.1 | 3.0 | |
61-80% | 0.0 | . | 0.0 | . | 0.0 | . | . | . | . | . | . | . | 0.0 | . | |
81-100% | 0.0 | . | 0.0 | . | 0.0 | . | . | . | . | . | . | . | 0.0 | . | |
>100% | 0.0 | . | 0.0 | . | 0.0 | . | . | . | . | . | . | . | 0.0 | . | |
total | 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% | 42.7 | 1.5 | 10.5 | 1.4 | 9.0 | 1.6 | 2.6 | 1.0 | 6.6 | 1.4 | 1.4 | 0.6 | 19.3 | 0.7 | |
21-40% | 32.6 | 1.5 | 24.9 | 1.9 | 23.0 | 2.3 | 10.8 | 1.9 | 17.3 | 2.1 | 12.2 | 1.8 | 23.5 | 0.8 | |
41-60% | 17.6 | 1.2 | 28.2 | 2.0 | 29.6 | 2.5 | 34.8 | 2.9 | 33.6 | 2.6 | 29.1 | 2.5 | 26.0 | 0.8 | |
61-80% | 5.8 | 0.7 | 24.7 | 1.9 | 23.8 | 2.3 | 33.4 | 2.9 | 30.9 | 2.5 | 30.2 | 2.5 | 20.2 | 0.7 | |
81-100% | 1.1 | 0.3 | 7.6 | 1.2 | 11.8 | 1.8 | 13.6 | 2.1 | 8.6 | 1.5 | 19.0 | 2.2 | 7.9 | 0.5 | |
>100% | 0.2 | 0.1 | 4.1 | 0.9 | 2.9 | 0.9 | 4.9 | 1.3 | 3.0 | 0.9 | 8.1 | 1.5 | 3.0 | 0.3 | |
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% | 47.8 | 1.4 | 10.8 | 1.4 | 9.1 | 1.6 | 3.0 | 1.0 | 6.5 | 1.3 | 1.4 | 0.6 | 22.8 | 0.7 | |
21-40% | 30.5 | 1.3 | 26.0 | 1.9 | 23.0 | 2.3 | 10.7 | 1.9 | 17.7 | 2.1 | 12.2 | 1.8 | 23.5 | 0.8 | |
41-60% | 15.7 | 1.0 | 28.2 | 2.0 | 29.7 | 2.5 | 34.9 | 2.9 | 33.6 | 2.6 | 29.1 | 2.5 | 24.8 | 0.8 | |
61-80% | 4.9 | 0.6 | 23.8 | 1.9 | 23.7 | 2.3 | 33.1 | 2.9 | 30.6 | 2.5 | 30.2 | 2.5 | 18.8 | 0.7 | |
81-100% | 0.9 | 0.3 | 7.2 | 1.1 | 11.6 | 1.7 | 13.5 | 2.1 | 8.5 | 1.5 | 19.0 | 2.2 | 7.3 | 0.5 | |
>100% | 0.2 | 0.1 | 3.9 | 0.8 | 2.9 | 0.9 | 4.8 | 1.3 | 3.0 | 0.9 | 8.1 | 1.5 | 2.8 | 0.3 | |
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. 1402468. Birmensdorf, Swiss Federal Research Institute WSL