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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 | . |
peuplement | 18.0 | 9.4 | 18.3 | 16.4 | 28.5 | 11.8 | 15.3 | 8.1 | 18.6 | 5.9 | 22.8 | 20.4 | 29.3 | 17.4 | 0.0 | . | . | . | . | . | . | . | 0.0 | . | . | . | . | . | 19.8 | 3.8 | |
layon de débardage | 64.6 | 11.6 | 81.7 | 16.4 | 64.8 | 12.5 | 70.0 | 10.3 | 65.1 | 7.2 | 77.2 | 20.4 | 58.9 | 18.6 | 100.0 | 0.0 | . | . | . | . | . | . | 0.0 | . | . | . | . | . | 66.4 | 4.4 | |
piste à machine | 17.5 | 9.2 | 0.0 | . | 6.7 | 6.5 | 14.7 | 7.9 | 16.3 | 5.6 | 0.0 | . | 11.8 | 11.2 | 0.0 | . | . | . | . | . | . | . | 100.0 | 0.0 | . | . | . | . | 13.8 | 3.2 | |
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 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 | . | . | . | 0.0 | . |
peuplement | 20.5 | 10.5 | 0.0 | . | 37.8 | 14.7 | 34.3 | 19.5 | 16.4 | 10.5 | 48.7 | 25.0 | 0.0 | . | 0.0 | . | 0.0 | . | . | . | . | . | . | . | 0.0 | . | . | . | 23.9 | 5.8 | |
layon de débardage | 66.0 | 12.3 | 100.0 | 0.0 | 44.4 | 14.9 | 65.7 | 19.5 | 83.6 | 10.5 | 24.5 | 21.4 | 100.0 | 0.0 | 100.0 | 0.0 | 100.0 | 0.0 | . | . | . | . | . | . | 0.0 | . | . | . | 65.1 | 6.4 | |
piste à machine | 13.5 | 8.9 | 0.0 | . | 17.8 | 11.5 | 0.0 | . | 0.0 | . | 26.7 | 22.6 | 0.0 | . | 0.0 | . | 0.0 | . | . | . | . | . | . | . | 100.0 | 0.0 | . | . | 10.9 | 4.2 | |
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 | . | |
total | 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 3 (perturbation forte) | pas d'indication | 0.0 | . | . | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | . | . | . | . | . | . | 0.0 | . | . | . | 0.0 | . |
peuplement | 22.2 | 13.9 | . | . | 17.3 | 15.7 | 25.5 | 22.0 | 26.8 | 22.7 | 0.0 | . | 31.2 | 26.4 | 0.0 | . | 0.0 | . | . | . | . | . | . | . | 0.0 | . | . | . | 19.3 | 7.1 | |
layon de débardage | 77.8 | 13.9 | . | . | 49.2 | 20.5 | 47.2 | 24.9 | 73.2 | 22.7 | 100.0 | 0.0 | 68.8 | 26.4 | 0.0 | . | 100.0 | 0.0 | . | . | . | . | . | . | 0.0 | . | . | . | 63.8 | 8.7 | |
piste à machine | 0.0 | . | . | . | 33.5 | 19.4 | 27.2 | 22.9 | 0.0 | . | 0.0 | . | 0.0 | . | 100.0 | 0.0 | 0.0 | . | . | . | . | . | . | . | 100.0 | 0.0 | . | . | 16.9 | 6.9 | |
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 | . | |
pas d'ornières présentes | pas d'indication | 94.5 | 0.8 | 90.6 | 2.0 | 89.4 | 2.1 | 87.2 | 1.8 | 92.7 | 1.2 | 97.9 | 1.0 | 96.7 | 0.8 | 98.6 | 0.6 | 99.3 | 0.5 | 99.3 | 0.7 | 99.4 | 0.6 | 99.0 | 0.4 | 99.5 | 0.3 | 99.9 | 0.1 | 96.5 | 0.2 |
peuplement | 3.2 | 0.7 | 2.9 | 1.2 | 5.9 | 1.7 | 8.0 | 1.5 | 2.5 | 0.7 | 1.5 | 0.9 | 1.8 | 0.6 | 0.3 | 0.3 | 0.7 | 0.5 | 0.0 | . | 0.0 | . | 0.5 | 0.3 | 0.1 | 0.1 | 0.1 | 0.1 | 1.7 | 0.2 | |
layon de débardage | 1.6 | 0.5 | 5.1 | 1.5 | 4.2 | 1.4 | 4.3 | 1.1 | 4.2 | 0.9 | 0.6 | 0.6 | 1.1 | 0.5 | 1.2 | 0.6 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.2 | 0.0 | . | 1.4 | 0.2 | |
piste à machine | 0.6 | 0.3 | 1.4 | 0.8 | 0.5 | 0.5 | 0.6 | 0.4 | 0.6 | 0.4 | 0.0 | . | 0.4 | 0.3 | 0.0 | . | 0.0 | . | 0.7 | 0.7 | 0.6 | 0.6 | 0.5 | 0.3 | 0.1 | 0.1 | 0.0 | . | 0.4 | 0.1 | |
layon de châblage | 0.1 | 0.1 | 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 | 89.5 | 1.1 | 87.4 | 2.2 | 77.2 | 2.7 | 80.0 | 2.1 | 82.6 | 1.6 | 93.2 | 1.8 | 94.3 | 1.1 | 97.7 | 0.8 | 98.7 | 0.7 | 99.3 | 0.7 | 99.4 | 0.6 | 98.8 | 0.5 | 99.2 | 0.3 | 99.9 | 0.1 | 93.2 | 0.3 |
peuplement | 4.1 | 0.7 | 3.3 | 1.2 | 9.1 | 1.9 | 9.0 | 1.5 | 4.2 | 0.9 | 2.9 | 1.2 | 2.3 | 0.7 | 0.3 | 0.3 | 0.7 | 0.5 | 0.0 | . | 0.0 | . | 0.5 | 0.3 | 0.1 | 0.1 | 0.1 | 0.1 | 2.4 | 0.2 | |
layon de débardage | 5.2 | 0.8 | 8.0 | 1.8 | 11.1 | 2.0 | 9.3 | 1.5 | 11.4 | 1.3 | 3.4 | 1.3 | 2.8 | 0.8 | 1.7 | 0.7 | 0.7 | 0.5 | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.2 | 0.0 | . | 3.6 | 0.2 | |
piste à machine | 1.2 | 0.4 | 1.4 | 0.8 | 2.5 | 1.0 | 1.7 | 0.7 | 1.8 | 0.6 | 0.5 | 0.5 | 0.6 | 0.3 | 0.3 | 0.3 | 0.0 | . | 0.7 | 0.7 | 0.6 | 0.6 | 0.7 | 0.3 | 0.4 | 0.2 | 0.0 | . | 0.8 | 0.1 | |
layon de châblage | 0.1 | 0.1 | 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. 1370297. Birmensdorf, Swiss Federal Research Institute WSL