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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 | |||||||||
date de la prochaine intervention | type de forêt (12 classes) | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
pas d'indication | pas d'indication | . | . | . | . | . | . | . | . | . | . | . | . | . | . |
forêt inaccessible | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
forêt buissonnante | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
surface forestière en permanence non boisée | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
tranchée, talus | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
peuplement clairsemé | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
selve, culture d'arbres | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
taillis | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
taillis-sous-futaie | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
futaie d'aspect jardiné | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
futaie irrégulière | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
relevé incomplet | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
futaie régulière | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
total | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
0-1 an | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
forêt inaccessible | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
forêt buissonnante | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
surface forestière en permanence non boisée | 0.7 | 0.7 | 0.0 | . | 5.1 | 4.9 | 10.0 | 9.5 | 0.0 | . | 0.0 | . | 1.4 | 0.8 | |
tranchée, talus | 2.2 | 1.2 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.5 | 0.9 | |
peuplement clairsemé | 2.1 | 1.2 | 0.0 | . | 5.2 | 5.1 | 0.0 | . | 0.0 | . | 0.0 | . | 1.9 | 1.0 | |
selve, culture d'arbres | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
taillis | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
taillis-sous-futaie | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
futaie d'aspect jardiné | 3.7 | 1.6 | 10.0 | 6.7 | 5.2 | 5.1 | 19.8 | 12.5 | 0.0 | . | 0.0 | . | 4.9 | 1.5 | |
futaie irrégulière | 11.9 | 2.7 | 16.1 | 8.5 | 10.4 | 7.0 | 0.0 | . | 30.2 | 14.6 | 17.2 | 15.6 | 12.6 | 2.3 | |
relevé incomplet | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
futaie régulière | 79.5 | 3.4 | 73.9 | 10.0 | 74.1 | 10.0 | 70.2 | 14.4 | 69.8 | 14.6 | 82.8 | 15.6 | 77.6 | 2.9 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
2-5 ans | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
forêt inaccessible | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
forêt buissonnante | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
surface forestière en permanence non boisée | 2.5 | 0.7 | 1.4 | 1.4 | 1.3 | 1.3 | 3.1 | 3.0 | 0.0 | . | 0.0 | . | 2.0 | 0.5 | |
tranchée, talus | 0.7 | 0.4 | 0.0 | . | 0.0 | . | 0.0 | . | 5.1 | 3.5 | 0.0 | . | 0.7 | 0.3 | |
peuplement clairsemé | 2.4 | 0.7 | 2.6 | 1.8 | 1.3 | 1.3 | 6.3 | 4.3 | 2.7 | 2.6 | 3.9 | 3.9 | 2.6 | 0.6 | |
selve, culture d'arbres | 0.0 | . | 1.0 | 1.0 | 0.0 | . | 0.0 | . | 0.0 | . | 3.9 | 3.9 | 0.3 | 0.2 | |
taillis | 1.4 | 0.6 | 2.1 | 1.5 | 1.5 | 1.5 | 3.3 | 3.2 | 0.0 | . | 24.8 | 8.7 | 2.4 | 0.6 | |
taillis-sous-futaie | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 7.8 | 5.3 | 0.3 | 0.2 | |
futaie d'aspect jardiné | 2.1 | 0.7 | 11.5 | 3.5 | 5.0 | 2.4 | 9.3 | 5.1 | 17.9 | 6.1 | 7.5 | 5.1 | 5.0 | 0.8 | |
futaie irrégulière | 6.6 | 1.2 | 8.8 | 3.0 | 11.1 | 3.7 | 19.1 | 7.0 | 7.8 | 4.3 | 28.7 | 9.1 | 8.9 | 1.1 | |
relevé incomplet | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
futaie régulière | 84.2 | 1.7 | 72.5 | 4.8 | 79.8 | 4.6 | 58.9 | 8.7 | 66.5 | 7.6 | 23.3 | 8.4 | 77.9 | 1.6 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
6-10 ans | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
forêt inaccessible | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
forêt buissonnante | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
surface forestière en permanence non boisée | 3.9 | 1.1 | 1.9 | 1.1 | 3.9 | 2.2 | 4.8 | 3.3 | 3.2 | 2.2 | 0.0 | . | 3.1 | 0.7 | |
tranchée, talus | 0.0 | . | 1.7 | 1.0 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 0.2 | |
peuplement clairsemé | 0.9 | 0.5 | 0.6 | 0.6 | 0.0 | . | 9.2 | 4.4 | 1.6 | 1.6 | 0.0 | . | 1.3 | 0.4 | |
selve, culture d'arbres | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
taillis | 0.3 | 0.3 | 2.0 | 1.1 | 1.1 | 1.1 | 4.7 | 3.3 | 0.0 | . | 22.1 | 6.2 | 2.5 | 0.6 | |
taillis-sous-futaie | 0.3 | 0.3 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 11.6 | 4.9 | 0.9 | 0.4 | |
futaie d'aspect jardiné | 3.9 | 1.1 | 13.6 | 2.8 | 2.3 | 1.6 | 13.6 | 5.2 | 13.2 | 4.3 | 2.2 | 2.1 | 7.2 | 1.0 | |
futaie irrégulière | 12.9 | 1.9 | 13.9 | 2.8 | 13.0 | 3.5 | 11.1 | 4.7 | 9.8 | 3.8 | 16.8 | 5.4 | 13.0 | 1.3 | |
relevé incomplet | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
futaie régulière | 77.8 | 2.3 | 66.3 | 3.8 | 79.7 | 4.3 | 56.6 | 7.5 | 72.2 | 5.7 | 47.4 | 7.4 | 71.6 | 1.7 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
11-20 ans | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
forêt inaccessible | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
forêt buissonnante | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
surface forestière en permanence non boisée | 2.6 | 1.5 | 6.6 | 2.3 | 2.4 | 1.7 | 0.0 | . | 3.1 | 1.8 | 0.0 | . | 2.9 | 0.7 | |
tranchée, talus | 0.0 | . | 0.0 | . | 1.3 | 1.3 | 0.0 | . | 1.0 | 1.0 | 0.0 | . | 0.4 | 0.3 | |
peuplement clairsemé | 2.7 | 1.5 | 0.0 | . | 3.7 | 2.1 | 2.6 | 1.8 | 4.2 | 2.1 | 5.1 | 2.9 | 2.7 | 0.7 | |
selve, culture d'arbres | 0.0 | . | 0.0 | . | 0.0 | . | 1.3 | 1.3 | 0.0 | . | 1.8 | 1.8 | 0.4 | 0.3 | |
taillis | 0.0 | . | 2.0 | 1.4 | 1.3 | 1.3 | 1.3 | 1.3 | 0.0 | . | 10.8 | 4.1 | 2.0 | 0.6 | |
taillis-sous-futaie | 0.0 | . | 0.0 | . | 0.0 | . | 1.4 | 1.4 | 0.0 | . | 7.5 | 3.6 | 1.0 | 0.4 | |
futaie d'aspect jardiné | 5.1 | 2.0 | 11.5 | 3.0 | 3.9 | 2.2 | 10.7 | 3.6 | 8.5 | 2.9 | 0.0 | . | 7.2 | 1.1 | |
futaie irrégulière | 14.5 | 3.3 | 14.4 | 3.2 | 11.5 | 3.6 | 19.8 | 4.6 | 16.9 | 3.9 | 15.9 | 4.9 | 15.4 | 1.5 | |
relevé incomplet | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
futaie régulière | 75.1 | 4.0 | 65.5 | 4.4 | 76.0 | 4.8 | 62.8 | 5.6 | 66.3 | 4.9 | 59.0 | 6.6 | 68.1 | 2.0 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
>20 ans | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
forêt inaccessible | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
forêt buissonnante | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
surface forestière en permanence non boisée | 3.6 | 1.4 | 1.6 | 0.9 | 3.1 | 1.5 | 4.3 | 1.5 | 2.6 | 1.1 | 1.5 | 0.7 | 2.6 | 0.5 | |
tranchée, talus | 0.0 | . | 0.5 | 0.5 | 0.0 | . | 0.5 | 0.5 | 0.4 | 0.4 | 0.0 | . | 0.2 | 0.1 | |
peuplement clairsemé | 6.9 | 1.8 | 12.0 | 2.3 | 11.5 | 2.8 | 13.3 | 2.5 | 13.2 | 2.2 | 12.0 | 1.8 | 11.6 | 0.9 | |
selve, culture d'arbres | 0.5 | 0.5 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 2.4 | 0.9 | 0.7 | 0.2 | |
taillis | 2.0 | 1.0 | 3.6 | 1.3 | 0.0 | . | 4.8 | 1.6 | 3.5 | 1.2 | 13.6 | 1.9 | 5.6 | 0.6 | |
taillis-sous-futaie | 2.5 | 1.1 | 0.0 | . | 0.0 | . | 0.6 | 0.6 | 0.4 | 0.4 | 3.3 | 1.0 | 1.4 | 0.3 | |
futaie d'aspect jardiné | 7.1 | 1.8 | 14.5 | 2.5 | 7.4 | 2.4 | 12.2 | 2.4 | 10.1 | 2.0 | 3.2 | 1.0 | 8.7 | 0.8 | |
futaie irrégulière | 15.8 | 2.6 | 19.4 | 2.7 | 17.9 | 3.3 | 16.5 | 2.7 | 11.8 | 2.1 | 16.1 | 2.1 | 16.1 | 1.0 | |
relevé incomplet | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
futaie régulière | 61.5 | 3.5 | 48.5 | 3.5 | 60.2 | 4.3 | 47.8 | 3.6 | 58.0 | 3.2 | 47.8 | 2.8 | 53.2 | 1.4 | |
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 | . |
forêt inaccessible | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
forêt buissonnante | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
surface forestière en permanence non boisée | 2.8 | 0.5 | 2.6 | 0.7 | 2.9 | 0.9 | 3.5 | 1.0 | 2.5 | 0.7 | 1.0 | 0.5 | 2.6 | 0.3 | |
tranchée, talus | 0.5 | 0.2 | 0.6 | 0.3 | 0.2 | 0.2 | 0.3 | 0.3 | 0.9 | 0.5 | 0.0 | . | 0.5 | 0.1 | |
peuplement clairsemé | 2.7 | 0.5 | 4.8 | 0.9 | 5.1 | 1.1 | 9.5 | 1.6 | 8.3 | 1.3 | 9.3 | 1.3 | 5.6 | 0.4 | |
selve, culture d'arbres | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | . | 0.3 | 0.3 | 0.0 | . | 2.1 | 0.7 | 0.4 | 0.1 | |
taillis | 0.9 | 0.3 | 2.5 | 0.7 | 0.8 | 0.5 | 3.8 | 1.0 | 1.8 | 0.6 | 14.6 | 1.7 | 3.4 | 0.3 | |
taillis-sous-futaie | 0.5 | 0.2 | 0.0 | . | 0.0 | . | 0.6 | 0.4 | 0.2 | 0.2 | 4.9 | 1.0 | 0.9 | 0.2 | |
futaie d'aspect jardiné | 3.9 | 0.5 | 13.0 | 1.4 | 5.0 | 1.1 | 12.0 | 1.7 | 10.6 | 1.5 | 2.9 | 0.8 | 7.2 | 0.4 | |
futaie irrégulière | 11.1 | 0.9 | 15.3 | 1.5 | 13.8 | 1.7 | 16.3 | 2.0 | 12.7 | 1.6 | 16.9 | 1.8 | 13.6 | 0.6 | |
relevé incomplet | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
futaie régulière | 77.4 | 1.2 | 61.1 | 2.0 | 72.2 | 2.3 | 53.8 | 2.7 | 62.9 | 2.3 | 48.3 | 2.3 | 65.9 | 0.8 | |
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. 1322898. Birmensdorf, Swiss Federal Research Institute WSL