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 | . | 1.0 | 1.0 | 3.4 | 2.4 | 9.3 | 4.0 | 1.0 | 0.7 | 1.5 | 0.5 |
subalpin inférieur | 0.0 | . | 15.4 | 3.2 | 9.2 | 2.9 | 13.0 | 4.3 | 22.7 | 5.8 | 6.6 | 1.7 | 9.5 | 1.1 | |
montagnard supérieur | 15.0 | 3.3 | 40.1 | 4.3 | 41.3 | 4.9 | 40.6 | 6.3 | 36.5 | 6.6 | 28.9 | 3.2 | 32.3 | 1.8 | |
montagnard inférieur | 45.1 | 4.6 | 30.8 | 4.1 | 31.7 | 4.7 | 21.3 | 5.3 | 18.4 | 5.3 | 22.6 | 3.0 | 29.2 | 1.8 | |
collinéen/submontagnard | 39.8 | 4.5 | 13.7 | 3.1 | 16.8 | 3.7 | 21.6 | 5.3 | 13.2 | 4.6 | 41.0 | 3.4 | 27.6 | 1.7 | |
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 | . | 1.6 | 0.9 | 0.8 | 0.8 | 13.4 | 2.9 | 10.6 | 3.0 | 7.8 | 1.9 | 5.6 | 0.8 |
subalpin inférieur | 2.7 | 1.5 | 23.4 | 3.0 | 13.6 | 3.1 | 34.5 | 4.0 | 41.5 | 4.9 | 14.4 | 2.5 | 21.0 | 1.4 | |
montagnard supérieur | 13.5 | 3.2 | 46.5 | 3.6 | 44.1 | 4.4 | 28.2 | 3.8 | 31.9 | 4.7 | 30.7 | 3.2 | 33.6 | 1.6 | |
montagnard inférieur | 43.5 | 4.6 | 23.6 | 3.1 | 30.9 | 4.1 | 14.4 | 2.9 | 13.8 | 3.4 | 19.1 | 2.8 | 23.7 | 1.4 | |
collinéen/submontagnard | 40.3 | 4.5 | 5.0 | 1.6 | 10.6 | 2.7 | 9.6 | 2.5 | 2.1 | 1.5 | 28.1 | 3.1 | 16.2 | 1.2 | |
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 | . | 2.0 | 1.4 | 0.0 | . | 24.7 | 4.8 | 20.2 | 4.1 | 13.2 | 3.6 | 11.4 | 1.5 |
subalpin inférieur | 3.0 | 2.9 | 40.8 | 4.7 | 23.3 | 5.7 | 49.6 | 5.5 | 33.4 | 4.9 | 27.4 | 4.7 | 33.3 | 2.2 | |
montagnard supérieur | 17.0 | 6.3 | 40.3 | 4.8 | 32.5 | 6.3 | 20.7 | 4.5 | 35.4 | 5.0 | 37.0 | 5.1 | 32.5 | 2.2 | |
montagnard inférieur | 46.9 | 8.3 | 13.1 | 3.3 | 29.0 | 6.1 | 1.3 | 1.3 | 8.7 | 2.9 | 8.1 | 2.9 | 13.7 | 1.6 | |
collinéen/submontagnard | 33.2 | 7.8 | 3.9 | 1.9 | 15.1 | 4.9 | 3.6 | 2.0 | 2.3 | 1.6 | 14.2 | 3.7 | 9.1 | 1.4 | |
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 | . | 1.0 | 1.0 | 0.0 | . | 19.0 | 3.7 | 21.0 | 3.4 | 13.2 | 3.2 | 11.8 | 1.3 |
subalpin inférieur | 0.0 | . | 46.7 | 4.8 | 29.7 | 5.4 | 47.8 | 4.6 | 47.9 | 4.2 | 28.9 | 4.3 | 39.6 | 2.0 | |
montagnard supérieur | 21.2 | 8.3 | 33.6 | 4.6 | 34.0 | 5.6 | 18.6 | 3.6 | 25.8 | 3.7 | 32.4 | 4.4 | 27.9 | 1.9 | |
montagnard inférieur | 31.2 | 9.2 | 10.9 | 3.1 | 30.8 | 5.5 | 7.5 | 2.4 | 4.0 | 1.6 | 11.7 | 3.1 | 12.0 | 1.4 | |
collinéen/submontagnard | 47.6 | 10.0 | 7.9 | 2.7 | 5.5 | 2.7 | 7.1 | 2.4 | 1.3 | 0.9 | 13.8 | 3.3 | 8.7 | 1.2 | |
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 | . | 12.4 | 11.6 | 0.0 | . | 24.7 | 21.5 | 5.1 | 3.5 |
subalpin inférieur | 0.0 | . | 50.3 | 17.7 | 41.4 | 22.2 | 74.2 | 15.7 | 41.7 | 14.3 | 26.0 | 22.2 | 47.5 | 8.1 | |
montagnard supérieur | 0.0 | . | 36.4 | 16.9 | 38.5 | 21.7 | 13.4 | 12.4 | 33.8 | 13.7 | 24.7 | 21.5 | 28.8 | 7.3 | |
montagnard inférieur | 0.0 | . | 13.3 | 12.3 | 20.1 | 18.0 | 0.0 | . | 16.4 | 10.7 | 0.0 | . | 10.7 | 5.0 | |
collinéen/submontagnard | 100.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 8.1 | 7.7 | 24.7 | 21.5 | 7.9 | 4.4 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
total | subalpin supérieur | 0.0 | . | 1.1 | 0.5 | 0.6 | 0.4 | 15.8 | 1.8 | 16.0 | 1.8 | 7.5 | 1.0 | 7.0 | 0.5 |
subalpin inférieur | 1.4 | 0.7 | 29.8 | 1.9 | 17.5 | 2.0 | 39.0 | 2.3 | 39.5 | 2.4 | 16.6 | 1.5 | 24.8 | 0.8 | |
montagnard supérieur | 15.1 | 2.1 | 41.1 | 2.1 | 39.4 | 2.5 | 25.5 | 2.1 | 31.2 | 2.3 | 31.3 | 1.8 | 31.7 | 0.9 | |
montagnard inférieur | 43.4 | 2.9 | 20.6 | 1.7 | 30.7 | 2.4 | 10.5 | 1.5 | 9.8 | 1.5 | 17.1 | 1.5 | 20.5 | 0.8 | |
collinéen/submontagnard | 40.1 | 2.8 | 7.4 | 1.1 | 11.8 | 1.7 | 9.3 | 1.4 | 3.5 | 0.9 | 27.5 | 1.6 | 16.0 | 0.7 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . |
Résultat de la recherche: 1 inscription 1 page