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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 | |||||||||
étages de végétation NaiS (6 classes) | surface de la plus grande trouée (5 classes) | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
pas d'indication | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
pas de trouée (<100 m2) | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
petite trouée (100-500 m2) | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
trouée moyenne (500-1000 m2) | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
grande trouée (1000-5000 m2) | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
très grande trouée (>5000 m2) | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
total | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
subalpin supérieur | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
pas de trouée (<100 m2) | 0.0 | . | 0.0 | . | 0.0 | . | 1.2 | 0.6 | 2.2 | 0.7 | 0.5 | 0.3 | 0.5 | 0.1 | |
petite trouée (100-500 m2) | 0.0 | . | 0.0 | . | 0.0 | . | 2.7 | 0.9 | 3.3 | 0.9 | 1.6 | 0.6 | 0.9 | 0.2 | |
trouée moyenne (500-1000 m2) | 0.0 | . | 0.0 | . | 0.0 | . | 3.1 | 1.0 | 4.5 | 1.0 | 1.4 | 0.6 | 1.1 | 0.2 | |
grande trouée (1000-5000 m2) | 0.0 | . | 0.0 | . | 0.0 | . | 3.7 | 1.0 | 4.8 | 1.0 | 3.1 | 0.8 | 1.4 | 0.2 | |
très grande trouée (>5000 m2) | 0.0 | . | 0.0 | . | 0.0 | . | 0.6 | 0.4 | 0.7 | 0.4 | 0.2 | 0.2 | 0.2 | 0.1 | |
total | 0.0 | . | 0.0 | . | 0.0 | . | 11.3 | 1.7 | 15.5 | 1.8 | 6.7 | 1.2 | 3.9 | 0.3 | |
subalpin | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
pas de trouée (<100 m2) | 0.0 | . | 1.7 | 0.6 | 0.8 | 0.5 | 3.3 | 1.0 | 2.1 | 0.7 | 1.6 | 0.6 | 1.2 | 0.2 | |
petite trouée (100-500 m2) | 0.0 | . | 2.7 | 0.7 | 2.3 | 0.8 | 6.8 | 1.4 | 6.1 | 1.2 | 4.9 | 1.0 | 2.8 | 0.3 | |
trouée moyenne (500-1000 m2) | 0.1 | 0.1 | 3.0 | 0.7 | 0.5 | 0.4 | 7.4 | 1.4 | 7.7 | 1.3 | 3.9 | 0.9 | 2.8 | 0.3 | |
grande trouée (1000-5000 m2) | 0.0 | . | 4.8 | 0.9 | 4.3 | 1.1 | 10.1 | 1.7 | 13.4 | 1.7 | 3.4 | 0.9 | 4.5 | 0.4 | |
très grande trouée (>5000 m2) | 0.0 | . | 0.0 | . | 0.0 | . | 0.9 | 0.5 | 0.7 | 0.4 | 0.0 | . | 0.2 | 0.1 | |
total | 0.1 | 0.1 | 12.3 | 1.4 | 8.0 | 1.4 | 28.4 | 2.5 | 30.0 | 2.2 | 13.9 | 1.6 | 11.5 | 0.5 | |
haut-montagnard | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
pas de trouée (<100 m2) | 0.1 | 0.1 | 3.9 | 0.8 | 2.7 | 0.8 | 6.3 | 1.3 | 6.2 | 1.2 | 4.1 | 1.0 | 3.0 | 0.3 | |
petite trouée (100-500 m2) | 0.5 | 0.2 | 5.7 | 1.0 | 3.1 | 0.9 | 13.7 | 1.9 | 11.0 | 1.5 | 7.9 | 1.3 | 5.3 | 0.4 | |
trouée moyenne (500-1000 m2) | 0.2 | 0.1 | 5.1 | 0.9 | 1.6 | 0.6 | 8.3 | 1.5 | 9.3 | 1.4 | 3.1 | 0.8 | 3.5 | 0.3 | |
grande trouée (1000-5000 m2) | 0.1 | 0.1 | 5.9 | 1.0 | 5.7 | 1.2 | 13.6 | 1.9 | 14.4 | 1.7 | 6.8 | 1.2 | 5.7 | 0.4 | |
très grande trouée (>5000 m2) | 0.0 | . | 0.5 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.9 | 0.5 | 0.0 | . | 0.3 | 0.1 | |
total | 0.8 | 0.3 | 21.1 | 1.7 | 13.4 | 1.7 | 42.1 | 2.7 | 41.8 | 2.4 | 21.9 | 1.9 | 17.7 | 0.6 | |
montagnard inférieur et supérieur | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
pas de trouée (<100 m2) | 16.6 | 1.0 | 14.4 | 1.5 | 24.5 | 2.2 | 2.7 | 0.9 | 3.5 | 0.9 | 8.7 | 1.4 | 13.1 | 0.6 | |
petite trouée (100-500 m2) | 18.2 | 1.1 | 21.9 | 1.7 | 20.6 | 2.1 | 1.8 | 0.7 | 3.1 | 0.8 | 9.2 | 1.4 | 14.4 | 0.6 | |
trouée moyenne (500-1000 m2) | 5.8 | 0.7 | 12.1 | 1.4 | 12.1 | 1.7 | 1.5 | 0.7 | 1.4 | 0.6 | 3.2 | 0.8 | 6.3 | 0.4 | |
grande trouée (1000-5000 m2) | 6.2 | 0.7 | 12.0 | 1.3 | 13.9 | 1.8 | 2.4 | 0.9 | 2.3 | 0.7 | 5.3 | 1.1 | 7.1 | 0.4 | |
très grande trouée (>5000 m2) | 0.5 | 0.2 | 0.2 | 0.2 | 1.1 | 0.5 | 0.0 | . | 0.0 | . | 0.2 | 0.2 | 0.3 | 0.1 | |
total | 47.3 | 1.3 | 60.6 | 2.0 | 72.1 | 2.3 | 8.4 | 1.5 | 10.4 | 1.5 | 26.6 | 2.1 | 41.3 | 0.8 | |
submontagnard | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
pas de trouée (<100 m2) | 20.0 | 1.1 | 2.7 | 0.7 | 3.0 | 0.9 | 1.0 | 0.5 | 0.2 | 0.2 | 0.0 | . | 8.1 | 0.4 | |
petite trouée (100-500 m2) | 19.2 | 1.1 | 2.1 | 0.6 | 2.1 | 0.7 | 0.9 | 0.5 | 0.7 | 0.4 | 0.0 | . | 7.6 | 0.4 | |
trouée moyenne (500-1000 m2) | 5.8 | 0.7 | 0.6 | 0.3 | 1.1 | 0.6 | 0.3 | 0.3 | 0.7 | 0.4 | 0.0 | . | 2.4 | 0.3 | |
grande trouée (1000-5000 m2) | 5.0 | 0.6 | 0.7 | 0.4 | 0.3 | 0.3 | 0.0 | . | 0.5 | 0.3 | 0.0 | . | 2.0 | 0.2 | |
très grande trouée (>5000 m2) | 0.8 | 0.3 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.1 | |
total | 50.8 | 1.3 | 6.0 | 1.0 | 6.5 | 1.3 | 2.2 | 0.8 | 2.1 | 0.7 | 0.0 | . | 20.4 | 0.5 | |
hyperinsubrique et collinéen | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
pas de trouée (<100 m2) | 0.4 | 0.2 | 0.0 | . | 0.0 | . | 1.8 | 0.7 | 0.0 | . | 15.3 | 1.6 | 2.3 | 0.2 | |
petite trouée (100-500 m2) | 0.2 | 0.1 | 0.0 | . | 0.0 | . | 3.3 | 1.0 | 0.2 | 0.2 | 9.4 | 1.4 | 1.7 | 0.2 | |
trouée moyenne (500-1000 m2) | 0.3 | 0.2 | 0.0 | . | 0.0 | . | 0.9 | 0.5 | 0.0 | . | 3.1 | 0.8 | 0.6 | 0.1 | |
grande trouée (1000-5000 m2) | 0.2 | 0.1 | 0.0 | . | 0.0 | . | 1.5 | 0.7 | 0.0 | . | 2.8 | 0.8 | 0.6 | 0.1 | |
très grande trouée (>5000 m2) | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 0.2 | 0.0 | 0.0 | |
total | 1.1 | 0.3 | 0.0 | . | 0.0 | . | 7.6 | 1.5 | 0.2 | 0.2 | 30.8 | 1.9 | 5.2 | 0.3 | |
total | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
pas de trouée (<100 m2) | 37.1 | 1.4 | 22.7 | 1.8 | 31.0 | 2.4 | 16.2 | 2.0 | 14.2 | 1.7 | 30.3 | 2.2 | 28.1 | 0.8 | |
petite trouée (100-500 m2) | 38.1 | 1.4 | 32.5 | 1.9 | 28.2 | 2.3 | 29.2 | 2.5 | 24.4 | 2.1 | 33.1 | 2.3 | 32.7 | 0.8 | |
trouée moyenne (500-1000 m2) | 12.1 | 0.9 | 20.7 | 1.7 | 15.3 | 1.9 | 21.4 | 2.3 | 23.7 | 2.1 | 14.6 | 1.7 | 16.7 | 0.6 | |
grande trouée (1000-5000 m2) | 11.5 | 0.9 | 23.4 | 1.7 | 24.1 | 2.2 | 31.3 | 2.6 | 35.3 | 2.3 | 21.4 | 1.9 | 21.2 | 0.7 | |
très grande trouée (>5000 m2) | 1.2 | 0.3 | 0.7 | 0.3 | 1.4 | 0.6 | 1.8 | 0.7 | 2.3 | 0.7 | 0.6 | 0.4 | 1.3 | 0.2 | |
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. 1361701. Birmensdorf, Swiss Federal Research Institute WSL