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région économique | |||||||||||||||||||||||||||||||
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Ouest du Jura | Est du Jura | Ouest du Plateau | Centre du Plateau | Est du Plateau | Ouest des Préalpes | Centre des Préalpes | Est des Préalpes | Nord-ouest des Alpes | Centre des Alpes | Nord-est des Alpes | Sud-ouest des Alpes | Sud-est des Alpes | Sud des Alpes | Suisse | |||||||||||||||||
présence d'ornières (perturbations du sol) | emplacement des ornières (cercle de 2 ares) | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
pas d'indication | pas d'indication | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . |
peuplement | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
layon de débardage | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
piste à machine | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
layon de châblage | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
total | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
type d'ornière 1 (perturbation légère) | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | . | . | . | . | 0.0 | . | 0.0 | . | 0.0 | . | . | . | 0.0 | . |
peuplement | 9.4 | 5.2 | 0.0 | . | 35.7 | 14.4 | 23.8 | 7.9 | 10.5 | 5.7 | 0.0 | . | 0.0 | . | 0.0 | . | . | . | . | . | 0.0 | . | 0.0 | . | 0.0 | . | . | . | 12.6 | 2.9 | |
layon de débardage | 61.4 | 8.8 | 71.5 | 12.1 | 54.0 | 15.1 | 55.6 | 9.2 | 82.0 | 7.3 | 45.9 | 35.1 | 43.1 | 17.9 | 31.0 | 26.3 | . | . | . | . | 0.0 | . | 49.5 | 35.4 | 0.0 | . | . | . | 61.2 | 4.3 | |
piste à machine | 29.2 | 8.2 | 28.5 | 12.1 | 10.2 | 9.6 | 20.6 | 7.5 | 7.5 | 5.1 | 54.1 | 35.1 | 56.9 | 17.9 | 69.0 | 26.3 | . | . | . | . | 100.0 | 0.0 | 50.5 | 35.4 | 100.0 | 0.0 | . | . | 26.2 | 3.8 | |
layon de châblage | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 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 | . | 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 | . | 0.0 | . | 0.0 | . | 0.0 | . | . | . | 0.0 | . | . | . | . | . | . | . | 0.0 | . | . | . | 0.0 | . |
peuplement | 14.8 | 9.7 | 50.0 | 35.5 | 51.7 | 20.4 | 19.8 | 10.3 | 6.3 | 6.1 | 0.0 | . | 0.0 | . | . | . | 50.0 | 35.4 | . | . | . | . | . | . | 0.0 | . | . | . | 16.9 | 4.7 | |
layon de débardage | 69.6 | 12.8 | 50.0 | 35.5 | 48.3 | 20.4 | 80.2 | 10.3 | 82.8 | 9.0 | 71.1 | 25.1 | 36.5 | 21.2 | . | . | 0.0 | . | . | . | . | . | . | . | 0.0 | . | . | . | 67.3 | 5.8 | |
piste à machine | 15.7 | 10.2 | 0.0 | . | 0.0 | . | 0.0 | . | 10.9 | 7.3 | 28.9 | 25.1 | 63.5 | 21.2 | . | . | 50.0 | 35.4 | . | . | . | . | . | . | 100.0 | 0.0 | . | . | 15.7 | 4.6 | |
layon de châblage | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 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 | . | 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 | . | 0.0 | . | 0.0 | . | 0.0 | . | . | . | . | . | . | . | . | . | . | . | . | . | 0.0 | . |
peuplement | 13.2 | 12.3 | 0.0 | . | 0.0 | . | 15.7 | 14.5 | 25.0 | 15.3 | 0.0 | . | 0.0 | . | 0.0 | . | . | . | . | . | . | . | . | . | . | . | . | . | 14.3 | 6.6 | |
layon de débardage | 74.9 | 15.4 | 100.0 | 0.0 | 100.0 | 0.0 | 68.5 | 18.7 | 75.0 | 15.3 | 100.0 | 0.0 | 100.0 | 0.0 | 0.0 | . | . | . | . | . | . | . | . | . | . | . | . | . | 75.7 | 8.1 | |
piste à machine | 11.9 | 11.2 | 0.0 | . | 0.0 | . | 15.8 | 14.6 | 0.0 | . | 0.0 | . | 0.0 | . | 100.0 | 0.0 | . | . | . | . | . | . | . | . | . | . | . | . | 10.0 | 5.5 | |
layon de châblage | 0.0 | . | 0.0 | . | 0.0 | . | 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 | . | 100.0 | . | 100.0 | . | . | . | . | . | . | . | . | . | . | . | . | . | 100.0 | . | |
pas d'ornières présentes | pas d'indication | 98.9 | 0.5 | 98.1 | 1.4 | 95.8 | 2.0 | 96.0 | 1.5 | 92.6 | 1.6 | 99.1 | 0.8 | 100.0 | 0.0 | 99.4 | 0.6 | 99.3 | 0.7 | 100.0 | 0.0 | 100.0 | 0.0 | 98.9 | 0.6 | 99.4 | 0.4 | 100.0 | 0.0 | 98.4 | 0.2 |
peuplement | 0.3 | 0.3 | 0.0 | . | 3.2 | 1.8 | 0.6 | 0.6 | 1.6 | 0.8 | 0.9 | 0.8 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 0.4 | 0.3 | 0.3 | 0.0 | . | 0.4 | 0.1 | |
layon de débardage | 0.8 | 0.5 | 1.0 | 1.0 | 1.0 | 1.0 | 3.4 | 1.4 | 5.5 | 1.4 | 0.0 | . | 0.0 | . | 0.6 | 0.6 | 0.7 | 0.7 | 0.0 | . | 0.0 | . | 0.4 | 0.4 | 0.3 | 0.3 | 0.0 | . | 1.0 | 0.2 | |
piste à machine | 0.0 | . | 1.0 | 1.0 | 0.0 | . | 0.0 | . | 0.4 | 0.4 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 0.4 | 0.0 | . | 0.0 | . | 0.1 | 0.1 | |
layon de châblage | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 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 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
total | pas d'indication | 86.4 | 1.7 | 84.2 | 3.3 | 80.7 | 3.7 | 74.5 | 2.9 | 76.2 | 2.4 | 92.5 | 2.6 | 94.6 | 1.4 | 97.3 | 1.2 | 98.0 | 1.1 | 100.0 | 0.0 | 98.9 | 1.1 | 98.1 | 0.8 | 98.5 | 0.7 | 100.0 | 0.0 | 91.1 | 0.5 |
peuplement | 1.7 | 0.6 | 0.8 | 0.8 | 8.8 | 2.7 | 5.3 | 1.5 | 3.3 | 1.0 | 0.8 | 0.8 | 0.0 | . | 0.0 | . | 0.6 | 0.6 | 0.0 | . | 0.0 | . | 0.4 | 0.4 | 0.3 | 0.3 | 0.0 | . | 1.4 | 0.2 | |
layon de débardage | 9.0 | 1.4 | 10.8 | 2.8 | 9.5 | 2.7 | 17.2 | 2.5 | 18.9 | 2.2 | 4.8 | 2.1 | 2.4 | 1.0 | 1.1 | 0.8 | 0.7 | 0.7 | 0.0 | . | 0.0 | . | 0.7 | 0.5 | 0.3 | 0.3 | 0.0 | . | 5.8 | 0.4 | |
piste à machine | 2.9 | 0.8 | 4.2 | 1.8 | 1.0 | 1.0 | 3.1 | 1.2 | 1.6 | 0.7 | 1.9 | 1.3 | 3.0 | 1.0 | 1.6 | 0.9 | 0.6 | 0.6 | 0.0 | . | 1.1 | 1.1 | 0.7 | 0.5 | 0.9 | 0.5 | 0.0 | . | 1.7 | 0.2 | |
layon de châblage | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 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 | . | 100.0 | . | 100.0 | . | 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. 1410633. Birmensdorf, Swiss Federal Research Institute WSL