Recherche dans d'anciens sets de données
Résultat de la recherche: 1 inscription 1 page
région de forêt protectrice | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Plateau/Jura | nord des Alpes ouest | nord des Alpes est | sud-ouest des Alpes | sud-est des Alpes | Sud des Alpes | Suisse | |||||||||
Surface de la plus grande trouée d'après la photo aérienne (5 classes) | étage de végétation (forêt) | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
pas de trouée (< 100 m2) | subalpin supérieur | . | 0.0 | . | 0.0 | . | 0.0 | 5.4 | 3.7 | . | 0.0 | 1.9 | 1.3 | 1.1 | 0.5 |
subalpin inférieur | . | 0.0 | 13.6 | 4.2 | 8.6 | 3.3 | 18.4 | 6.3 | 23.3 | 7.7 | 9.3 | 2.9 | 10.5 | 1.6 | |
montagnard supérieur | 12.1 | 4.3 | 37.9 | 6.0 | 43.7 | 5.9 | 39.4 | 7.9 | 46.8 | 9.1 | 28.7 | 4.6 | 33.2 | 2.5 | |
montagnard inférieur | 51.7 | 6.6 | 31.8 | 5.7 | 29.5 | 5.4 | 13.1 | 5.5 | 16.6 | 6.8 | 17.4 | 3.8 | 27.5 | 2.3 | |
collinéen/submontagnard | 36.2 | 6.3 | 16.7 | 4.6 | 18.2 | 4.6 | 23.6 | 6.9 | 13.3 | 6.2 | 42.8 | 5.0 | 27.7 | 2.3 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
petite trouée (100 à 500 m2) | subalpin supérieur | . | 0.0 | 1.0 | 1.0 | . | 0.0 | 12.7 | 4.0 | 16.1 | 4.9 | 9.1 | 2.6 | 6.1 | 1.1 |
subalpin inférieur | 4.6 | 2.6 | 22.1 | 4.1 | 16.6 | 4.6 | 33.8 | 5.6 | 28.6 | 6.0 | 14.2 | 3.2 | 19.4 | 1.8 | |
montagnard supérieur | 15.1 | 4.4 | 44.2 | 4.9 | 44.2 | 6.1 | 26.8 | 5.3 | 32.1 | 6.2 | 25.9 | 4.0 | 31.8 | 2.1 | |
montagnard inférieur | 42.4 | 6.1 | 26.0 | 4.3 | 29.1 | 5.5 | 15.5 | 4.3 | 17.9 | 5.1 | 20.0 | 3.7 | 24.8 | 2.0 | |
collinéen/submontagnard | 37.9 | 6.0 | 6.7 | 2.5 | 10.1 | 3.6 | 11.3 | 3.8 | 5.4 | 3.0 | 30.8 | 4.2 | 18.0 | 1.7 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
trouée moyenne (500 à 1'000 m2) | subalpin supérieur | . | 0.0 | 3.1 | 2.2 | . | 0.0 | 24.5 | 6.1 | 24.1 | 5.8 | 17.8 | 5.7 | 13.3 | 2.1 |
subalpin inférieur | 6.3 | 6.1 | 35.9 | 6.0 | 26.5 | 7.6 | 46.9 | 7.1 | 31.5 | 6.3 | 28.9 | 6.8 | 32.8 | 2.9 | |
montagnard supérieur | 6.3 | 6.1 | 45.3 | 6.2 | 23.5 | 7.3 | 22.4 | 6.0 | 35.2 | 6.5 | 31.1 | 6.9 | 31.4 | 2.9 | |
montagnard inférieur | 31.3 | 11.6 | 10.9 | 3.9 | 38.2 | 8.3 | 2.0 | 2.0 | 5.6 | 3.1 | 4.4 | 3.1 | 11.8 | 2.0 | |
collinéen/submontagnard | 56.3 | 12.4 | 4.7 | 2.6 | 11.8 | 5.5 | 4.1 | 2.8 | 3.7 | 2.6 | 17.8 | 5.7 | 10.7 | 1.9 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
grande trouée (1'000 à 5'000 m2) | subalpin supérieur | . | 0.0 | 1.3 | 1.3 | . | 0.0 | 14.3 | 4.2 | 18.2 | 4.4 | 13.4 | 4.2 | 9.7 | 1.6 |
subalpin inférieur | . | 0.0 | 46.7 | 5.8 | 30.2 | 7.0 | 55.8 | 5.9 | 48.0 | 5.7 | 28.4 | 5.5 | 41.0 | 2.6 | |
montagnard supérieur | 25.0 | 10.8 | 38.7 | 5.6 | 33.8 | 7.1 | 18.5 | 4.6 | 24.7 | 4.9 | 37.2 | 5.9 | 30.1 | 2.5 | |
montagnard inférieur | 43.8 | 12.4 | 6.7 | 2.9 | 29.2 | 6.8 | 8.6 | 3.3 | 6.5 | 2.8 | 11.9 | 4.0 | 12.6 | 1.8 | |
collinéen/submontagnard | 31.3 | 11.6 | 6.7 | 2.9 | 6.7 | 3.8 | 2.9 | 2.0 | 2.6 | 1.8 | 9.0 | 3.5 | 6.6 | 1.3 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
très grande trouée (>5'000 m2) | subalpin supérieur | . | 0.0 | . | 0.0 | . | 0.0 | 40.7 | 22.1 | . | 0.0 | 51.0 | 35.3 | 14.6 | 7.8 |
subalpin inférieur | . | 0.0 | 50.0 | 25.0 | 25.0 | 21.7 | 39.5 | 21.8 | 66.7 | 19.3 | . | 0.0 | 42.7 | 10.8 | |
montagnard supérieur | . | 0.0 | 50.0 | 25.0 | 50.0 | 25.0 | 19.8 | 17.7 | 33.3 | 19.3 | 49.0 | 35.3 | 38.0 | 10.6 | |
montagnard inférieur | . | 0.0 | . | 0.0 | 25.0 | 21.7 | . | 0.0 | . | 0.0 | . | 0.0 | 4.7 | 4.6 | |
collinéen/submontagnard | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | |
total | . | 0.0 | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
total | subalpin supérieur | . | 0.0 | 1.3 | 0.6 | . | 0.0 | 15.1 | 2.3 | 16.1 | 2.5 | 9.3 | 1.6 | 7.1 | 0.7 |
subalpin inférieur | 2.6 | 1.3 | 29.4 | 2.6 | 18.4 | 2.6 | 40.8 | 3.2 | 36.3 | 3.2 | 17.5 | 2.1 | 25.0 | 1.1 | |
montagnard supérieur | 14.1 | 2.8 | 41.9 | 2.8 | 38.9 | 3.3 | 25.3 | 2.9 | 32.3 | 3.1 | 29.8 | 2.5 | 31.8 | 1.2 | |
montagnard inférieur | 44.9 | 4.0 | 19.2 | 2.2 | 30.6 | 3.1 | 9.9 | 2.0 | 10.3 | 2.0 | 15.4 | 2.0 | 20.0 | 1.0 | |
collinéen/submontagnard | 38.5 | 3.9 | 8.3 | 1.6 | 12.1 | 2.2 | 9.0 | 1.9 | 4.9 | 1.5 | 28.0 | 2.5 | 16.1 | 0.9 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . |
Résultat de la recherche: 1 inscription 1 page