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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 | |||||||||
déclivité (classes de 20%) | stabilité du peuplement | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
pas d'indication | pas d'indication | . | . | . | . | . | . | . | . | . | . | . | . | . | . |
critique | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
amoindrie | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
stable | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
total | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
=20% | pas d'indication | 0.2 | 0.2 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.1 | 0.1 |
critique | 3.3 | 0.7 | 3.5 | 2.5 | 5.2 | 3.6 | 0.0 | . | 7.7 | 5.2 | 0.0 | . | 3.5 | 0.7 | |
amoindrie | 42.4 | 2.0 | 42.1 | 6.5 | 54.7 | 8.2 | 24.6 | 12.4 | 34.3 | 9.3 | 60.3 | 15.5 | 42.7 | 1.8 | |
stable | 54.1 | 2.1 | 54.4 | 6.5 | 40.1 | 8.1 | 75.4 | 12.4 | 58.1 | 9.7 | 39.7 | 15.5 | 53.7 | 1.8 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
21-40% | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
critique | 2.7 | 0.9 | 1.4 | 1.0 | 3.4 | 1.9 | 0.0 | . | 1.3 | 1.3 | 1.8 | 1.8 | 2.2 | 0.5 | |
amoindrie | 40.4 | 2.5 | 51.2 | 4.0 | 58.8 | 5.3 | 38.3 | 7.8 | 36.0 | 5.4 | 39.7 | 6.5 | 44.0 | 1.8 | |
stable | 56.9 | 2.6 | 47.4 | 4.0 | 37.8 | 5.2 | 61.7 | 7.8 | 62.7 | 5.4 | 58.5 | 6.5 | 53.8 | 1.8 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
41-60% | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
critique | 2.8 | 1.2 | 2.5 | 1.2 | 6.1 | 2.3 | 2.6 | 1.5 | 1.3 | 0.9 | 3.2 | 1.6 | 2.9 | 0.6 | |
amoindrie | 50.4 | 3.7 | 58.2 | 3.8 | 53.3 | 4.7 | 39.5 | 4.5 | 33.1 | 3.8 | 51.3 | 4.5 | 47.9 | 1.7 | |
stable | 46.8 | 3.7 | 39.3 | 3.8 | 40.5 | 4.7 | 57.9 | 4.5 | 65.6 | 3.9 | 45.5 | 4.4 | 49.1 | 1.7 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
61-80% | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
critique | 5.3 | 3.0 | 5.1 | 1.9 | 11.2 | 3.3 | 4.3 | 1.9 | 4.8 | 1.9 | 6.2 | 2.1 | 6.0 | 0.9 | |
amoindrie | 56.9 | 6.5 | 55.4 | 4.2 | 52.1 | 5.2 | 52.5 | 4.7 | 44.3 | 4.5 | 59.2 | 4.3 | 53.2 | 1.9 | |
stable | 37.8 | 6.4 | 39.5 | 4.2 | 36.7 | 5.0 | 43.2 | 4.6 | 50.9 | 4.5 | 34.6 | 4.2 | 40.8 | 1.9 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
81-100% | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
critique | 8.9 | 8.5 | 2.3 | 2.3 | 8.5 | 4.1 | 6.4 | 3.6 | 2.6 | 2.5 | 6.5 | 2.8 | 5.6 | 1.4 | |
amoindrie | 72.8 | 13.4 | 59.1 | 7.2 | 69.6 | 6.8 | 63.7 | 7.0 | 65.3 | 7.5 | 56.8 | 5.5 | 62.5 | 2.9 | |
stable | 18.3 | 11.7 | 38.6 | 7.1 | 21.9 | 6.2 | 29.9 | 6.7 | 32.2 | 7.3 | 36.6 | 5.3 | 31.9 | 2.8 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
>100% | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
critique | 0.0 | . | 4.3 | 4.2 | 0.0 | . | 12.5 | 8.3 | 0.0 | . | 0.0 | . | 2.6 | 1.5 | |
amoindrie | 100.0 | 0.0 | 77.9 | 8.7 | 72.9 | 10.4 | 68.8 | 11.6 | 68.6 | 11.6 | 74.5 | 6.7 | 73.8 | 4.1 | |
stable | 0.0 | . | 17.8 | 8.0 | 27.1 | 10.4 | 18.7 | 9.7 | 31.4 | 11.6 | 25.5 | 6.7 | 23.6 | 3.9 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
total | pas d'indication | 0.1 | 0.1 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | 0.0 |
critique | 3.2 | 0.5 | 3.0 | 0.7 | 6.6 | 1.3 | 3.7 | 1.0 | 2.7 | 0.8 | 4.1 | 1.0 | 3.7 | 0.3 | |
amoindrie | 44.1 | 1.4 | 54.9 | 2.1 | 57.2 | 2.5 | 47.7 | 2.7 | 41.2 | 2.4 | 55.5 | 2.3 | 49.0 | 0.8 | |
stable | 52.6 | 1.4 | 42.2 | 2.0 | 36.2 | 2.4 | 48.6 | 2.7 | 56.1 | 2.4 | 40.4 | 2.3 | 47.3 | 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. 1301116. Birmensdorf, Swiss Federal Research Institute WSL