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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 | 9.9 | 6.6 | 7.5 | 5.1 | 4.2 | 4.1 | 7.4 | 5.1 | 5.7 | 3.9 | 7.3 | 5.0 | 6.9 | 2.0 | |
amoindrie | 48.8 | 10.6 | 68.9 | 9.1 | 85.1 | 7.0 | 27.0 | 8.7 | 41.0 | 8.4 | 46.3 | 9.2 | 51.8 | 3.9 | |
stable | 41.3 | 10.5 | 23.7 | 8.4 | 10.8 | 5.9 | 65.6 | 9.3 | 53.4 | 8.6 | 46.4 | 9.2 | 41.3 | 3.9 | |
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 | 9.9 | 2.7 | 4.4 | 2.1 | 3.3 | 1.9 | 4.0 | 2.2 | 0.9 | 0.9 | 3.6 | 1.6 | 4.5 | 0.8 | |
amoindrie | 54.0 | 4.5 | 61.1 | 5.0 | 65.3 | 5.1 | 50.7 | 5.6 | 39.1 | 4.7 | 60.4 | 4.1 | 55.1 | 2.0 | |
stable | 36.1 | 4.4 | 34.5 | 4.9 | 31.4 | 4.9 | 45.4 | 5.6 | 60.0 | 4.7 | 36.0 | 4.0 | 40.4 | 1.9 | |
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 | 2.8 | 1.4 | 3.9 | 2.2 | 6.1 | 3.0 | 1.2 | 1.2 | 2.4 | 1.7 | 5.0 | 2.2 | 3.5 | 0.8 | |
amoindrie | 55.2 | 4.2 | 64.9 | 5.3 | 65.3 | 5.9 | 48.6 | 5.9 | 34.4 | 5.2 | 49.3 | 4.9 | 52.6 | 2.1 | |
stable | 42.0 | 4.2 | 31.2 | 5.1 | 28.6 | 5.6 | 50.2 | 5.9 | 63.2 | 5.3 | 45.8 | 4.9 | 43.9 | 2.1 | |
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 | 3.9 | 1.2 | 1.1 | 0.8 | 7.5 | 2.7 | 3.1 | 1.8 | 4.6 | 1.8 | 3.0 | 1.7 | 3.6 | 0.6 | |
amoindrie | 45.4 | 3.1 | 52.9 | 3.7 | 51.2 | 5.2 | 45.2 | 5.0 | 43.0 | 4.3 | 55.1 | 5.0 | 48.4 | 1.7 | |
stable | 50.7 | 3.1 | 46.1 | 3.7 | 41.3 | 5.1 | 51.7 | 5.1 | 52.4 | 4.4 | 41.9 | 5.0 | 48.0 | 1.7 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
26 à 50% | pas d'indication | 0.4 | 0.4 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 0.2 |
critique | 3.1 | 1.1 | 0.0 | . | 8.3 | 3.5 | 2.7 | 2.7 | 2.1 | 2.1 | 0.0 | . | 2.7 | 0.7 | |
amoindrie | 40.9 | 3.1 | 44.1 | 4.9 | 46.7 | 6.5 | 53.8 | 8.2 | 48.4 | 7.1 | 67.8 | 7.6 | 45.6 | 2.1 | |
stable | 55.6 | 3.1 | 55.9 | 4.9 | 45.1 | 6.5 | 43.5 | 8.2 | 49.5 | 7.1 | 32.2 | 7.6 | 51.5 | 2.1 | |
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 | 1.3 | 0.7 | 3.9 | 2.7 | 7.1 | 4.9 | 8.5 | 8.2 | 0.0 | . | 17.3 | 11.2 | 2.9 | 0.9 | |
amoindrie | 38.2 | 3.2 | 51.0 | 6.6 | 46.5 | 9.7 | 50.2 | 14.4 | 60.3 | 15.5 | 36.8 | 14.7 | 42.1 | 2.6 | |
stable | 60.5 | 3.2 | 45.1 | 6.5 | 46.4 | 9.6 | 41.2 | 14.2 | 39.7 | 15.5 | 45.9 | 15.1 | 55.0 | 2.7 | |
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 | 0.0 | . | 4.4 | 4.3 | 13.4 | 7.2 | 0.0 | . | 0.0 | . | 19.2 | 17.4 | 2.1 | 0.9 | |
amoindrie | 37.8 | 3.6 | 63.5 | 10.3 | 40.3 | 10.5 | 39.7 | 21.9 | 66.3 | 19.4 | 19.2 | 17.4 | 41.0 | 3.2 | |
stable | 62.2 | 3.6 | 32.1 | 10.1 | 46.2 | 10.7 | 60.3 | 21.9 | 33.7 | 19.4 | 61.6 | 21.6 | 56.9 | 3.2 | |
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 | 2.5 | 0.7 | 6.5 | 1.3 | 3.3 | 1.0 | 2.8 | 0.8 | 4.3 | 1.0 | 3.6 | 0.3 | |
amoindrie | 44.0 | 1.4 | 55.1 | 2.1 | 57.3 | 2.5 | 46.9 | 2.8 | 41.5 | 2.4 | 55.1 | 2.4 | 48.9 | 0.9 | |
stable | 52.6 | 1.4 | 42.3 | 2.1 | 36.2 | 2.5 | 49.8 | 2.8 | 55.7 | 2.4 | 40.6 | 2.3 | 47.5 | 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. 1237867. Birmensdorf, Swiss Federal Research Institute WSL