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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 | 3.5 | 0.8 | 3.8 | 2.6 | 6.6 | 4.5 | 0.0 | . | 9.1 | 6.1 | 0.0 | . | 3.8 | 0.7 | |
amoindrie | 42.2 | 2.1 | 41.5 | 6.7 | 52.6 | 9.3 | 24.3 | 15.0 | 35.9 | 10.2 | 20.5 | 18.2 | 42.1 | 1.9 | |
stable | 54.1 | 2.1 | 54.7 | 6.8 | 40.8 | 9.1 | 75.7 | 15.0 | 55.0 | 10.6 | 79.5 | 18.2 | 54.0 | 1.9 | |
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 | 2.8 | 0.9 | 1.6 | 1.1 | 3.9 | 2.2 | 0.0 | . | 1.7 | 1.7 | 2.5 | 2.4 | 2.5 | 0.6 | |
amoindrie | 41.3 | 2.6 | 51.7 | 4.4 | 56.2 | 5.7 | 30.7 | 8.5 | 34.7 | 6.1 | 47.1 | 7.8 | 44.3 | 1.9 | |
stable | 55.8 | 2.6 | 46.7 | 4.4 | 39.9 | 5.6 | 69.3 | 8.5 | 63.6 | 6.2 | 50.4 | 7.8 | 53.2 | 1.9 | |
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 | 2.9 | 1.3 | 2.1 | 1.2 | 5.9 | 2.4 | 3.3 | 1.9 | 0.9 | 0.9 | 4.1 | 2.0 | 3.0 | 0.6 | |
amoindrie | 50.6 | 3.7 | 58.0 | 4.1 | 55.9 | 5.0 | 31.2 | 4.8 | 33.9 | 4.4 | 51.1 | 5.1 | 47.8 | 1.8 | |
stable | 46.5 | 3.7 | 39.9 | 4.0 | 38.2 | 4.9 | 65.6 | 4.9 | 65.2 | 4.5 | 44.9 | 5.0 | 49.2 | 1.8 | |
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 | 4.0 | 1.8 | 9.1 | 3.3 | 4.4 | 2.2 | 3.8 | 1.8 | 6.0 | 2.4 | 5.3 | 1.0 | |
amoindrie | 57.9 | 6.6 | 57.4 | 4.4 | 54.3 | 5.6 | 50.3 | 5.3 | 43.8 | 4.9 | 60.1 | 4.9 | 53.9 | 2.1 | |
stable | 36.8 | 6.4 | 38.6 | 4.4 | 36.6 | 5.4 | 45.2 | 5.2 | 52.5 | 4.9 | 33.8 | 4.8 | 40.9 | 2.1 | |
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 | 2.7 | 2.7 | 10.0 | 4.8 | 5.3 | 3.7 | 3.6 | 3.6 | 8.2 | 3.5 | 6.5 | 1.7 | |
amoindrie | 72.8 | 13.4 | 56.0 | 8.0 | 74.3 | 7.0 | 62.1 | 8.0 | 71.7 | 8.4 | 59.3 | 6.2 | 64.2 | 3.3 | |
stable | 18.3 | 11.7 | 41.2 | 7.9 | 15.7 | 5.9 | 32.6 | 7.7 | 24.6 | 8.1 | 32.5 | 5.9 | 29.3 | 3.1 | |
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 | . | 0.0 | . | 0.0 | . | 7.5 | 7.2 | 0.0 | . | 0.0 | . | 1.2 | 1.2 | |
amoindrie | 100.0 | 0.0 | 79.6 | 9.1 | 81.7 | 11.8 | 69.4 | 12.8 | 69.9 | 14.5 | 85.2 | 6.9 | 79.4 | 4.5 | |
stable | 0.0 | . | 20.4 | 9.1 | 18.3 | 11.8 | 23.0 | 11.7 | 30.1 | 14.5 | 14.8 | 6.9 | 19.4 | 4.4 | |
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 | 3.3 | 0.5 | 2.6 | 0.7 | 6.6 | 1.4 | 3.7 | 1.1 | 2.6 | 0.9 | 4.9 | 1.2 | 3.7 | 0.3 | |
amoindrie | 44.4 | 1.4 | 55.1 | 2.2 | 58.1 | 2.7 | 43.3 | 3.0 | 41.5 | 2.7 | 57.2 | 2.7 | 48.9 | 0.9 | |
stable | 52.2 | 1.5 | 42.3 | 2.2 | 35.3 | 2.6 | 53.1 | 3.0 | 55.9 | 2.7 | 37.9 | 2.6 | 47.4 | 0.9 | |
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. 1301092. Birmensdorf, Swiss Federal Research Institute WSL