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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 | . | 0.0 | . |
peuplement | 14.1 | 5.8 | 18.5 | 9.7 | 0.0 | . | 12.3 | 6.6 | 15.9 | 6.0 | 0.0 | . | 7.0 | 6.8 | 12.4 | 11.6 | 0.0 | . | . | . | . | . | 0.0 | . | 0.0 | . | 34.3 | 27.7 | 11.7 | 2.5 | |
layon de débardage | 61.3 | 8.1 | 50.2 | 12.5 | 79.5 | 9.1 | 79.9 | 8.0 | 76.0 | 7.0 | 47.6 | 20.4 | 43.7 | 13.3 | 38.6 | 17.3 | 0.0 | . | . | . | . | . | 0.0 | . | 47.6 | 35.3 | 0.0 | . | 62.4 | 3.6 | |
piste à machine | 24.6 | 7.2 | 31.3 | 11.6 | 20.5 | 9.1 | 7.8 | 5.3 | 8.0 | 4.4 | 52.4 | 20.4 | 49.3 | 13.4 | 49.0 | 17.7 | 100.0 | 0.0 | . | . | . | . | 100.0 | 0.0 | 52.4 | 35.3 | 65.7 | 27.7 | 25.9 | 3.4 | |
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 | . | |
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 | . | |
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 | 14.2 | 9.3 | 0.0 | . | 7.6 | 7.3 | 12.0 | 7.9 | 28.1 | 10.6 | . | . | 48.3 | 25.0 | 0.0 | . | 51.2 | 35.3 | . | . | . | . | . | . | 0.0 | . | . | . | 18.1 | 4.5 | |
layon de débardage | 72.1 | 11.7 | 100.0 | 0.0 | 76.3 | 11.9 | 82.1 | 9.3 | 60.8 | 11.5 | . | . | 25.8 | 22.2 | 100.0 | 0.0 | 48.8 | 35.3 | . | . | . | . | . | . | 0.0 | . | . | . | 69.2 | 5.4 | |
piste à machine | 13.7 | 9.0 | 0.0 | . | 16.2 | 10.4 | 5.9 | 5.7 | 11.1 | 7.4 | . | . | 25.8 | 22.2 | 0.0 | . | 0.0 | . | . | . | . | . | . | . | 100.0 | 0.0 | . | . | 12.7 | 4.0 | |
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 | . |
peuplement | 7.0 | 6.8 | 0.0 | . | 0.0 | . | 29.5 | 17.4 | 23.0 | 14.2 | 42.7 | 22.4 | 0.0 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 16.9 | 5.8 | |
layon de débardage | 79.5 | 10.6 | 100.0 | 0.0 | 100.0 | 0.0 | 70.5 | 17.4 | 65.7 | 16.0 | 17.9 | 16.4 | 50.2 | 35.4 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 69.0 | 7.1 | |
piste à machine | 13.5 | 8.9 | 0.0 | . | 0.0 | . | 0.0 | . | 11.3 | 10.6 | 39.4 | 21.9 | 49.8 | 35.4 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 14.1 | 5.3 | |
layon de châblage | 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 | . | |
pas d'ornières présentes | pas d'indication | 95.9 | 0.7 | 93.2 | 1.8 | 92.9 | 1.8 | 90.6 | 1.7 | 91.6 | 1.3 | 99.4 | 0.6 | 98.9 | 0.5 | 98.8 | 0.6 | 99.6 | 0.3 | 100.0 | 0.0 | 100.0 | 0.0 | 99.7 | 0.2 | 99.7 | 0.2 | 99.9 | 0.1 | 97.5 | 0.2 |
peuplement | 2.2 | 0.6 | 0.5 | 0.5 | 3.6 | 1.3 | 6.2 | 1.4 | 3.6 | 0.8 | 0.6 | 0.6 | 0.2 | 0.2 | 0.3 | 0.3 | 0.4 | 0.3 | 0.0 | . | 0.0 | . | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 1.2 | 0.1 | |
layon de débardage | 1.5 | 0.5 | 4.4 | 1.4 | 3.6 | 1.3 | 3.2 | 1.0 | 3.6 | 0.8 | 0.0 | . | 0.5 | 0.3 | 0.2 | 0.2 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.0 | 0.1 | |
piste à machine | 0.3 | 0.2 | 1.9 | 1.0 | 0.0 | . | 0.0 | . | 1.2 | 0.5 | 0.0 | . | 0.4 | 0.3 | 0.6 | 0.4 | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 0.2 | 0.1 | 0.1 | 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 | 87.8 | 1.2 | 85.0 | 2.4 | 78.8 | 2.7 | 78.4 | 2.2 | 81.0 | 1.7 | 94.2 | 1.6 | 94.9 | 1.0 | 96.4 | 1.0 | 98.3 | 0.7 | 100.0 | 0.0 | 100.0 | 0.0 | 99.3 | 0.3 | 99.3 | 0.3 | 99.5 | 0.3 | 92.8 | 0.3 |
peuplement | 3.1 | 0.6 | 1.8 | 0.9 | 3.4 | 1.2 | 7.3 | 1.4 | 5.5 | 1.0 | 1.5 | 0.9 | 0.8 | 0.4 | 0.6 | 0.4 | 0.7 | 0.5 | 0.0 | . | 0.0 | . | 0.2 | 0.2 | 0.1 | 0.1 | 0.3 | 0.2 | 1.8 | 0.2 | |
layon de débardage | 7.2 | 0.9 | 9.2 | 1.9 | 15.2 | 2.3 | 13.5 | 1.8 | 11.3 | 1.3 | 1.8 | 0.9 | 2.1 | 0.7 | 1.4 | 0.6 | 0.3 | 0.3 | 0.0 | . | 0.0 | . | 0.0 | . | 0.1 | 0.1 | 0.0 | . | 4.1 | 0.2 | |
piste à machine | 1.9 | 0.5 | 4.0 | 1.3 | 2.6 | 1.1 | 0.8 | 0.5 | 2.2 | 0.6 | 2.4 | 1.1 | 2.2 | 0.7 | 1.7 | 0.7 | 0.7 | 0.5 | 0.0 | . | 0.0 | . | 0.5 | 0.3 | 0.4 | 0.2 | 0.3 | 0.2 | 1.3 | 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 | . |
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. 1370329. Birmensdorf, Swiss Federal Research Institute WSL