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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 | 1.5 | 1.0 | 3.7 | 3.6 | 0.0 | . | 12.6 | 11.8 | 0.0 | . | 0.0 | . | 2.1 | 1.0 | |
tranchée, talus | 0.8 | 0.8 | 0.0 | . | 0.0 | . | 12.0 | 11.3 | 0.0 | . | 0.0 | . | 1.1 | 0.7 | |
peuplement clairsemé | 3.1 | 1.5 | 7.1 | 4.9 | 0.0 | . | 12.2 | 11.5 | 0.0 | . | 0.0 | . | 3.7 | 1.4 | |
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 | . | 16.7 | 15.3 | 0.5 | 0.5 | |
futaie d'aspect jardiné | 2.3 | 1.3 | 3.5 | 3.5 | 0.0 | . | 0.0 | . | 15.0 | 13.8 | 0.0 | . | 2.6 | 1.1 | |
futaie irrégulière | 2.4 | 1.4 | 0.0 | . | 0.0 | . | 12.7 | 11.9 | 15.1 | 13.8 | 0.0 | . | 2.7 | 1.2 | |
relevé incomplet | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
futaie régulière | 90.0 | 2.6 | 85.7 | 6.6 | 100.0 | 0.0 | 50.4 | 17.7 | 69.9 | 17.6 | 83.3 | 15.3 | 87.3 | 2.4 | |
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 | 2.2 | 0.7 | 3.9 | 2.0 | 1.9 | 1.9 | 6.9 | 6.7 | 3.1 | 3.0 | 0.0 | . | 2.5 | 0.6 | |
tranchée, talus | 0.2 | 0.2 | 0.0 | . | 0.0 | . | 0.0 | . | 3.1 | 3.0 | 0.0 | . | 0.3 | 0.2 | |
peuplement clairsemé | 0.7 | 0.4 | 0.0 | . | 0.0 | . | 0.0 | . | 9.3 | 5.1 | 0.0 | . | 0.9 | 0.4 | |
selve, culture d'arbres | 0.2 | 0.2 | 0.8 | 0.8 | 0.0 | . | 0.0 | . | 0.0 | . | 8.2 | 5.6 | 0.6 | 0.3 | |
taillis | 0.2 | 0.2 | 0.9 | 0.9 | 0.0 | . | 6.9 | 6.7 | 0.0 | . | 4.3 | 4.2 | 0.6 | 0.3 | |
taillis-sous-futaie | 0.4 | 0.3 | 0.0 | . | 1.9 | 1.9 | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 0.3 | |
futaie d'aspect jardiné | 5.0 | 1.0 | 9.4 | 2.9 | 3.8 | 2.6 | 13.1 | 8.6 | 16.0 | 6.5 | 4.2 | 4.1 | 6.3 | 0.9 | |
futaie irrégulière | 4.4 | 1.0 | 5.4 | 2.1 | 0.0 | . | 20.1 | 10.4 | 0.0 | . | 4.3 | 4.2 | 4.3 | 0.8 | |
relevé incomplet | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
futaie régulière | 86.6 | 1.6 | 79.5 | 3.9 | 92.4 | 3.7 | 52.9 | 12.9 | 68.6 | 8.2 | 79.0 | 8.3 | 84.1 | 1.4 | |
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 | 2.5 | 0.9 | 3.1 | 1.5 | 5.6 | 2.7 | 0.0 | . | 3.2 | 2.2 | 0.0 | . | 2.8 | 0.7 | |
tranchée, talus | 0.6 | 0.4 | 0.8 | 0.8 | 1.2 | 1.2 | 0.0 | . | 0.0 | . | 3.8 | 3.7 | 0.7 | 0.3 | |
peuplement clairsemé | 0.7 | 0.5 | 1.6 | 1.1 | 1.5 | 1.5 | 2.4 | 2.4 | 5.0 | 2.8 | 0.0 | . | 1.4 | 0.5 | |
selve, culture d'arbres | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
taillis | 0.0 | . | 1.4 | 1.0 | 0.0 | . | 2.5 | 2.5 | 1.6 | 1.6 | 7.9 | 5.4 | 0.9 | 0.4 | |
taillis-sous-futaie | 0.3 | 0.3 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 13.5 | 7.1 | 0.6 | 0.3 | |
futaie d'aspect jardiné | 4.2 | 1.1 | 13.0 | 3.0 | 4.0 | 2.2 | 9.7 | 4.6 | 21.6 | 5.3 | 4.1 | 4.0 | 7.8 | 1.1 | |
futaie irrégulière | 3.7 | 1.0 | 10.3 | 2.7 | 3.6 | 2.0 | 9.3 | 4.5 | 3.3 | 2.3 | 12.7 | 6.9 | 5.6 | 0.9 | |
relevé incomplet | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
futaie régulière | 88.1 | 1.8 | 69.9 | 4.1 | 84.1 | 4.2 | 76.1 | 6.6 | 65.2 | 6.1 | 58.0 | 10.1 | 80.0 | 1.6 | |
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 | 3.3 | 1.6 | 6.8 | 2.7 | 0.0 | . | 1.9 | 1.9 | 0.0 | . | 0.0 | . | 2.4 | 0.7 | |
tranchée, talus | 0.8 | 0.8 | 2.4 | 1.7 | 0.0 | . | 0.0 | . | 1.2 | 1.2 | 0.0 | . | 0.9 | 0.4 | |
peuplement clairsemé | 4.3 | 1.9 | 1.2 | 1.2 | 4.5 | 2.6 | 3.7 | 2.6 | 5.1 | 2.5 | 0.0 | . | 3.4 | 0.9 | |
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 | . | 1.8 | 1.8 | 0.0 | . | 25.5 | 7.0 | 2.5 | 0.7 | |
taillis-sous-futaie | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 5.3 | 3.7 | 0.5 | 0.3 | |
futaie d'aspect jardiné | 5.9 | 2.1 | 17.4 | 4.1 | 4.0 | 2.3 | 11.1 | 4.3 | 13.9 | 3.9 | 2.5 | 2.5 | 9.5 | 1.4 | |
futaie irrégulière | 4.2 | 1.8 | 6.9 | 2.7 | 7.0 | 3.0 | 5.3 | 3.0 | 10.2 | 3.4 | 12.6 | 5.3 | 7.1 | 1.2 | |
relevé incomplet | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
futaie régulière | 81.6 | 3.5 | 65.2 | 5.2 | 84.4 | 4.3 | 76.1 | 5.8 | 69.5 | 5.2 | 54.0 | 8.0 | 73.8 | 2.1 | |
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 | 1.6 | 4.1 | 1.5 | 0.9 | 0.9 | 2.7 | 1.3 | 2.5 | 1.2 | 2.0 | 0.9 | 2.7 | 0.5 | |
tranchée, talus | 0.7 | 0.7 | 0.6 | 0.6 | 0.0 | . | 0.7 | 0.7 | 0.6 | 0.6 | 1.2 | 0.7 | 0.7 | 0.3 | |
peuplement clairsemé | 4.3 | 1.7 | 12.8 | 2.6 | 6.9 | 2.4 | 9.3 | 2.4 | 12.0 | 2.6 | 5.5 | 1.4 | 8.4 | 0.9 | |
selve, culture d'arbres | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.5 | 0.5 | 0.1 | 0.1 | |
taillis | 2.9 | 1.4 | 2.3 | 1.1 | 1.7 | 1.2 | 0.0 | . | 1.3 | 0.9 | 14.9 | 2.3 | 5.0 | 0.7 | |
taillis-sous-futaie | 4.1 | 1.7 | 0.0 | . | 0.9 | 0.9 | 0.0 | . | 0.0 | . | 4.9 | 1.4 | 1.9 | 0.4 | |
futaie d'aspect jardiné | 4.3 | 1.7 | 23.6 | 3.2 | 10.0 | 2.8 | 14.6 | 2.9 | 18.9 | 3.1 | 9.3 | 1.8 | 13.6 | 1.1 | |
futaie irrégulière | 10.7 | 2.6 | 4.5 | 1.6 | 4.9 | 2.0 | 11.2 | 2.6 | 5.0 | 1.7 | 10.9 | 2.0 | 8.1 | 0.9 | |
relevé incomplet | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
futaie régulière | 69.3 | 3.9 | 52.2 | 3.8 | 74.8 | 4.1 | 61.7 | 4.0 | 59.7 | 3.9 | 50.9 | 3.2 | 59.6 | 1.6 | |
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 | 2.5 | 0.5 | 4.2 | 0.9 | 2.0 | 0.8 | 2.6 | 1.0 | 2.1 | 0.8 | 1.5 | 0.7 | 2.6 | 0.3 | |
tranchée, talus | 0.5 | 0.2 | 0.8 | 0.4 | 0.3 | 0.3 | 0.7 | 0.5 | 0.9 | 0.5 | 1.1 | 0.6 | 0.7 | 0.1 | |
peuplement clairsemé | 1.8 | 0.4 | 5.2 | 1.0 | 3.7 | 1.1 | 6.6 | 1.5 | 8.6 | 1.5 | 4.0 | 1.0 | 4.1 | 0.4 | |
selve, culture d'arbres | 0.1 | 0.1 | 0.2 | 0.2 | 0.0 | . | 0.0 | . | 0.0 | . | 0.9 | 0.5 | 0.2 | 0.1 | |
taillis | 0.4 | 0.2 | 1.3 | 0.5 | 0.6 | 0.4 | 1.1 | 0.7 | 0.9 | 0.5 | 14.7 | 1.9 | 2.4 | 0.3 | |
taillis-sous-futaie | 0.7 | 0.2 | 0.0 | . | 0.6 | 0.4 | 0.0 | . | 0.0 | . | 5.4 | 1.3 | 1.0 | 0.2 | |
futaie d'aspect jardiné | 4.5 | 0.6 | 16.0 | 1.6 | 5.9 | 1.3 | 12.6 | 2.0 | 17.9 | 2.1 | 7.6 | 1.4 | 9.3 | 0.5 | |
futaie irrégulière | 4.7 | 0.6 | 6.2 | 1.1 | 4.1 | 1.1 | 10.3 | 1.8 | 5.6 | 1.3 | 10.6 | 1.7 | 6.2 | 0.4 | |
relevé incomplet | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
futaie régulière | 84.8 | 1.0 | 66.0 | 2.1 | 82.9 | 2.1 | 66.0 | 2.9 | 64.0 | 2.6 | 54.3 | 2.7 | 73.7 | 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. 1322805. Birmensdorf, Swiss Federal Research Institute WSL