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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 | 14.7 | 9.6 | 28.5 | 17.1 | 0.0 | . | 13.4 | 8.8 | 26.9 | 10.3 | 0.0 | . | 13.8 | 12.9 | 0.0 | . | 0.0 | . | . | . | . | . | 0.0 | . | 0.0 | . | . | . | 15.6 | 4.2 | |
layon de débardage | 63.2 | 13.1 | 42.9 | 18.7 | 84.4 | 14.2 | 73.3 | 11.4 | 62.7 | 11.2 | 48.0 | 25.0 | 43.7 | 18.9 | 0.0 | . | 0.0 | . | . | . | . | . | 0.0 | . | 0.0 | . | . | . | 59.1 | 5.7 | |
piste à machine | 22.2 | 11.4 | 28.6 | 17.1 | 15.6 | 14.2 | 13.2 | 8.7 | 10.4 | 7.0 | 52.0 | 25.0 | 42.5 | 18.8 | 100.0 | 0.0 | 100.0 | 0.0 | . | . | . | . | 100.0 | 0.0 | 100.0 | 0.0 | . | . | 25.3 | 5.0 | |
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 | . |
peuplement | 9.8 | 9.3 | 0.0 | . | 0.0 | . | 8.9 | 8.5 | 39.2 | 15.4 | . | . | 45.9 | 35.1 | . | . | 51.0 | 35.3 | . | . | . | . | . | . | 0.0 | . | . | . | 17.6 | 5.6 | |
layon de débardage | 71.2 | 13.9 | 100.0 | 0.0 | 86.0 | 13.0 | 81.9 | 11.6 | 60.8 | 15.4 | . | . | 54.1 | 35.1 | . | . | 49.0 | 35.3 | . | . | . | . | . | . | 0.0 | . | . | . | 71.1 | 6.8 | |
piste à machine | 19.0 | 12.0 | 0.0 | . | 14.0 | 13.0 | 9.2 | 8.8 | 0.0 | . | . | . | 0.0 | . | . | . | 0.0 | . | . | . | . | . | . | . | 100.0 | 0.0 | . | . | 11.4 | 4.8 | |
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 | . | |
type d'ornière 3 (perturbation forte) | pas d'indication | 0.0 | . | 0.0 | . | . | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 0.0 | . |
peuplement | 15.1 | 13.9 | 0.0 | . | . | . | 35.4 | 19.8 | 0.0 | . | 72.2 | 24.7 | 0.0 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 25.5 | 9.8 | |
layon de débardage | 71.1 | 17.3 | 100.0 | 0.0 | . | . | 64.6 | 19.8 | 54.1 | 35.1 | 27.8 | 24.7 | 49.3 | 35.3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 60.6 | 10.8 | |
piste à machine | 13.8 | 12.8 | 0.0 | . | . | . | 0.0 | . | 45.9 | 35.1 | 0.0 | . | 50.7 | 35.3 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 13.9 | 7.5 | |
layon de châblage | 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 | . | |
pas d'ornières présentes | pas d'indication | 95.4 | 1.1 | 92.0 | 2.6 | 92.5 | 2.6 | 92.1 | 2.0 | 90.3 | 1.8 | 99.0 | 1.0 | 98.8 | 0.7 | 98.5 | 0.9 | 99.4 | 0.6 | 100.0 | 0.0 | 100.0 | 0.0 | 99.4 | 0.4 | 99.8 | 0.2 | 100.0 | 0.0 | 97.2 | 0.3 |
peuplement | 2.8 | 0.8 | 0.9 | 0.9 | 4.8 | 2.1 | 6.3 | 1.8 | 4.7 | 1.3 | 1.0 | 1.0 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.6 | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 0.2 | 0.2 | 0.0 | . | 1.5 | 0.2 | |
layon de débardage | 1.5 | 0.6 | 3.6 | 1.8 | 2.8 | 1.6 | 1.6 | 0.9 | 4.3 | 1.2 | 0.0 | . | 0.4 | 0.4 | 0.4 | 0.4 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.9 | 0.2 | |
piste à machine | 0.2 | 0.2 | 3.5 | 1.7 | 0.0 | . | 0.0 | . | 0.7 | 0.5 | 0.0 | . | 0.5 | 0.5 | 0.6 | 0.6 | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 0.0 | . | 0.0 | . | 0.3 | 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 | 88.5 | 1.5 | 85.3 | 3.2 | 81.5 | 3.6 | 79.0 | 2.7 | 81.4 | 2.2 | 93.0 | 2.4 | 94.9 | 1.3 | 98.0 | 1.0 | 97.7 | 1.1 | 100.0 | 0.0 | 100.0 | 0.0 | 99.1 | 0.5 | 99.3 | 0.4 | 100.0 | 0.0 | 93.1 | 0.4 |
peuplement | 3.6 | 0.9 | 2.4 | 1.4 | 4.2 | 1.9 | 7.7 | 1.8 | 7.1 | 1.5 | 2.8 | 1.6 | 1.0 | 0.6 | 0.6 | 0.6 | 1.2 | 0.8 | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 0.2 | 0.2 | 0.0 | . | 2.2 | 0.3 | |
layon de débardage | 6.3 | 1.2 | 7.4 | 2.4 | 12.5 | 3.0 | 12.0 | 2.2 | 9.9 | 1.7 | 2.4 | 1.4 | 2.2 | 0.9 | 0.4 | 0.4 | 0.6 | 0.6 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 3.5 | 0.3 | |
piste à machine | 1.6 | 0.6 | 4.9 | 1.9 | 1.7 | 1.2 | 1.3 | 0.8 | 1.6 | 0.7 | 1.8 | 1.3 | 1.9 | 0.8 | 1.0 | 0.7 | 0.6 | 0.6 | 0.0 | . | 0.0 | . | 0.6 | 0.4 | 0.5 | 0.3 | 0.0 | . | 1.1 | 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. 1370317. Birmensdorf, Swiss Federal Research Institute WSL