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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 | |||||||||
degré de recouvrement de la régénération (7 classes) | stabilité du peuplement | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
pas d'indication | pas d'indication | . | . | . | . | . | . | . | . | . | . | . | . | . | . |
critique | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
amoindrie | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
stable | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
total | . | . | . | . | . | . | . | . | . | . | . | . | . | . | |
<1% | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
critique | 5.3 | 3.0 | 11.2 | 5.3 | 10.2 | 4.4 | 12.8 | 6.0 | 9.4 | 3.4 | 8.1 | 3.5 | 9.1 | 1.6 | |
amoindrie | 55.6 | 6.7 | 56.2 | 8.2 | 49.1 | 7.3 | 38.5 | 8.7 | 37.1 | 5.6 | 48.7 | 6.4 | 47.0 | 2.8 | |
stable | 39.1 | 6.6 | 32.7 | 7.7 | 40.7 | 7.2 | 48.7 | 9.0 | 53.4 | 5.8 | 43.2 | 6.3 | 43.9 | 2.8 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
1 à 4% | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
critique | 0.6 | 0.6 | 8.4 | 2.4 | 7.8 | 2.6 | 4.3 | 1.7 | 2.7 | 1.2 | 3.1 | 1.2 | 4.0 | 0.6 | |
amoindrie | 44.3 | 3.8 | 48.5 | 4.4 | 49.2 | 4.9 | 39.4 | 4.1 | 35.3 | 3.5 | 50.6 | 3.6 | 44.2 | 1.6 | |
stable | 55.1 | 3.8 | 43.2 | 4.4 | 43.0 | 4.8 | 56.3 | 4.2 | 62.0 | 3.6 | 46.3 | 3.6 | 51.8 | 1.6 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
5 à 9% | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
critique | 1.8 | 0.9 | 3.9 | 1.6 | 3.3 | 1.9 | 3.5 | 1.6 | 6.0 | 2.2 | 5.9 | 1.7 | 4.0 | 0.7 | |
amoindrie | 45.8 | 3.4 | 57.7 | 3.9 | 48.9 | 5.3 | 48.1 | 4.2 | 43.5 | 4.6 | 55.8 | 3.6 | 50.4 | 1.6 | |
stable | 52.4 | 3.4 | 38.4 | 3.8 | 47.8 | 5.3 | 48.4 | 4.2 | 50.6 | 4.6 | 38.3 | 3.5 | 45.6 | 1.6 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
10 à 25% | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
critique | 2.1 | 0.6 | 4.7 | 1.1 | 6.3 | 1.8 | 10.2 | 2.2 | 6.5 | 1.7 | 9.6 | 2.0 | 5.5 | 0.6 | |
amoindrie | 37.4 | 2.1 | 52.0 | 2.7 | 46.5 | 3.6 | 48.2 | 3.7 | 42.1 | 3.4 | 56.5 | 3.4 | 45.7 | 1.2 | |
stable | 60.5 | 2.1 | 43.3 | 2.6 | 47.1 | 3.6 | 41.6 | 3.6 | 51.4 | 3.4 | 33.9 | 3.3 | 48.7 | 1.2 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
26 à 50% | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
critique | 1.7 | 0.6 | 4.6 | 1.5 | 9.0 | 2.5 | 21.0 | 4.4 | 16.5 | 3.6 | 10.2 | 2.9 | 7.0 | 0.8 | |
amoindrie | 35.3 | 2.2 | 41.1 | 3.5 | 52.1 | 4.3 | 44.9 | 5.4 | 41.1 | 4.7 | 60.3 | 4.8 | 42.3 | 1.5 | |
stable | 63.0 | 2.3 | 54.2 | 3.6 | 38.8 | 4.2 | 34.1 | 5.1 | 42.4 | 4.7 | 29.5 | 4.5 | 50.7 | 1.5 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
51 à 100% | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
critique | 2.1 | 0.7 | 13.5 | 3.5 | 7.1 | 3.1 | 30.3 | 9.0 | 20.4 | 5.5 | 18.8 | 7.6 | 7.7 | 1.0 | |
amoindrie | 37.8 | 2.5 | 45.5 | 5.1 | 59.3 | 5.8 | 31.1 | 9.1 | 40.8 | 6.7 | 51.7 | 9.6 | 41.9 | 1.9 | |
stable | 60.1 | 2.5 | 41.1 | 5.0 | 33.6 | 5.6 | 38.6 | 9.6 | 38.8 | 6.6 | 29.6 | 8.8 | 50.4 | 2.0 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
76 à 100% | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
critique | 3.8 | 1.0 | 10.8 | 4.2 | 7.9 | 4.4 | 49.8 | 25.0 | 0.0 | . | 0.0 | . | 5.1 | 1.0 | |
amoindrie | 36.1 | 2.5 | 52.8 | 6.7 | 55.6 | 8.1 | 50.2 | 25.0 | 36.9 | 14.6 | 64.0 | 14.4 | 40.3 | 2.2 | |
stable | 60.1 | 2.6 | 36.4 | 6.5 | 36.5 | 7.8 | 0.0 | . | 63.1 | 14.6 | 36.0 | 14.4 | 54.5 | 2.3 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
total | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
critique | 2.2 | 0.3 | 6.4 | 0.8 | 7.1 | 1.0 | 10.1 | 1.2 | 8.1 | 1.0 | 7.3 | 0.9 | 5.7 | 0.3 | |
amoindrie | 38.6 | 1.0 | 50.0 | 1.6 | 50.4 | 1.9 | 44.5 | 2.0 | 39.9 | 1.8 | 54.8 | 1.7 | 44.8 | 0.6 | |
stable | 59.1 | 1.1 | 43.6 | 1.5 | 42.4 | 1.9 | 45.4 | 2.0 | 52.0 | 1.8 | 38.0 | 1.7 | 49.5 | 0.6 | |
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. 1237830. Birmensdorf, Swiss Federal Research Institute WSL