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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 | ||||||||||||||||
type de forêt (17 classes) | m²/ha | ±% | m²/ha | ±% | m²/ha | ±% | m²/ha | ±% | m²/ha | ±% | m²/ha | ±% | m²/ha | ±% | m²/ha | ±% | m²/ha | ±% | m²/ha | ±% | m²/ha | ±% | m²/ha | ±% | m²/ha | ±% | m²/ha | ±% | m²/ha | ±% |
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 | . | 0.0 | . | 0.0 | . |
forêt inaccessible | 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 | . |
forêt buissonnante | 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 | . |
surface forestière en permanence non boisée | 27.9 | 20 | 50.4 | 20 | 50.3 | 26 | 48.3 | 23 | 19.2 | 16 | 19.0 | 22 | 36.6 | 17 | 28.5 | 19 | 16.1 | 34 | 16.5 | 50 | 13.7 | 32 | 13.6 | 31 | 12.4 | 46 | 31.2 | 48 | 26.4 | 9 |
surface forestière temporairement non boisée | 6.1 | 76 | 0.4 | 92 | 3.8 | 68 | 8.6 | 35 | 7.1 | 32 | 9.9 | 32 | 5.4 | 26 | 8.9 | 33 | 12.1 | 40 | 10.3 | 53 | 5.8 | 81 | 6.4 | 38 | 14.8 | 20 | 13.2 | 55 | 8.5 | 11 |
tranchée, talus | 12.7 | 34 | 40.1 | 0 | 46.4 | 73 | 4.1 | 64 | 0.0 | . | 25.8 | 31 | 1.8 | 49 | 2.9 | 0 | 1.9 | 0 | 28.3 | 0 | 22.9 | 37 | 12.7 | 56 | 9.7 | 33 | 18.3 | 36 | 15.9 | 19 |
peuplement clairsemé | 24.0 | 16 | 2.0 | 0 | 18.5 | 27 | 4.3 | 0 | 5.6 | 7 | 23.3 | 17 | 19.7 | 12 | 24.8 | 19 | 17.8 | 18 | 15.0 | 33 | 27.5 | 22 | 14.1 | 13 | 18.2 | 8 | 13.0 | 9 | 17.7 | 5 |
selve, culture d'arbres | 0.0 | . | 0.0 | . | 23.9 | 0 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 51.8 | 0 | 0.0 | . | 0.0 | . | 14.9 | 6 | 0.0 | . | 68.0 | 22 | 51.6 | 22 |
taillis | 16.8 | 45 | 44.0 | 0 | 25.3 | 0 | 0.0 | . | 45.7 | 36 | 9.4 | 17 | 4.9 | 30 | 0.0 | . | 29.8 | 27 | 1.4 | 18 | 14.5 | 15 | 16.7 | 32 | 15.7 | 29 | 27.6 | 6 | 24.7 | 6 |
taillis-sous-futaie | 32.5 | 14 | 40.0 | 0 | 36.2 | 7 | 0.0 | . | 25.4 | 20 | 0.0 | . | 0.0 | . | 0.0 | . | 15.8 | 0 | 20.5 | 56 | 0.0 | . | 0.0 | . | 19.3 | 19 | 27.7 | 8 | 28.1 | 6 |
futaie d'aspect jardiné | 30.9 | 4 | 36.6 | 0 | 22.2 | 25 | 32.1 | 12 | 28.4 | 22 | 43.3 | 19 | 31.7 | 6 | 33.3 | 13 | 33.6 | 8 | 27.4 | 12 | 29.1 | 17 | 28.2 | 6 | 27.1 | 4 | 28.6 | 6 | 30.4 | 3 |
futaie irrégulière | 32.3 | 7 | 49.1 | 34 | 26.8 | 19 | 32.0 | 15 | 32.9 | 10 | 40.4 | 14 | 38.6 | 9 | 40.6 | 17 | 34.1 | 12 | 28.5 | 29 | 38.6 | 15 | 32.5 | 9 | 34.2 | 8 | 31.5 | 7 | 34.0 | 3 |
recrû/fourré | 10.4 | 22 | 8.6 | 22 | 8.0 | 26 | 6.1 | 24 | 7.9 | 16 | 6.2 | 57 | 8.1 | 21 | 4.9 | 38 | 8.5 | 36 | 6.5 | 46 | 7.2 | 34 | 7.1 | 23 | 10.3 | 15 | 5.6 | 20 | 7.8 | 7 |
perchis | 21.2 | 9 | 18.5 | 13 | 22.0 | 13 | 20.5 | 6 | 22.4 | 6 | 29.0 | 13 | 21.5 | 12 | 26.1 | 9 | 17.3 | 13 | 16.4 | 15 | 11.8 | 22 | 19.4 | 8 | 19.7 | 7 | 18.8 | 6 | 20.5 | 2 |
jeune futaie | 34.4 | 4 | 31.6 | 8 | 33.4 | 10 | 31.8 | 6 | 30.4 | 5 | 38.8 | 12 | 32.7 | 10 | 40.2 | 7 | 32.0 | 11 | 34.9 | 12 | 56.9 | 18 | 33.0 | 7 | 30.8 | 7 | 28.6 | 5 | 33.4 | 2 |
futaie moyenne | 36.2 | 3 | 35.9 | 4 | 36.2 | 6 | 38.6 | 5 | 37.4 | 4 | 44.9 | 6 | 39.4 | 7 | 41.5 | 6 | 42.3 | 9 | 43.1 | 10 | 39.0 | 8 | 38.6 | 5 | 38.2 | 4 | 34.9 | 5 | 38.2 | 1 |
vieille futaie | 39.4 | 4 | 35.8 | 7 | 44.2 | 4 | 43.0 | 4 | 38.8 | 3 | 53.4 | 7 | 45.8 | 3 | 50.8 | 4 | 47.0 | 6 | 47.4 | 7 | 48.1 | 9 | 46.3 | 5 | 45.2 | 4 | 39.2 | 5 | 43.9 | 1 |
total | 32.3 | 2 | 30.3 | 4 | 32.2 | 4 | 31.9 | 3 | 29.8 | 2 | 36.8 | 5 | 34.1 | 3 | 38.5 | 3 | 31.1 | 4 | 31.1 | 6 | 33.2 | 7 | 28.5 | 3 | 29.0 | 2 | 26.6 | 3 | 31.1 | 1 |
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. 1364494. Birmensdorf, Swiss Federal Research Institute WSL