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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 | 8.8 | 6.0 | 4.4 | 4.3 | 9.2 | 6.3 | 6.0 | 4.1 | 9.0 | 6.1 | 7.7 | 2.3 | |
amoindrie | 48.8 | 10.6 | 72.8 | 9.5 | 84.3 | 7.3 | 18.8 | 8.5 | 37.1 | 8.5 | 53.0 | 10.4 | 51.8 | 4.2 | |
stable | 41.3 | 10.5 | 18.4 | 8.3 | 11.3 | 6.2 | 72.0 | 9.8 | 56.9 | 8.8 | 38.0 | 10.1 | 40.4 | 4.1 | |
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 | 10.7 | 2.9 | 4.9 | 2.4 | 3.7 | 2.1 | 4.7 | 2.6 | 1.1 | 1.1 | 4.5 | 2.0 | 5.2 | 1.0 | |
amoindrie | 55.0 | 4.7 | 60.1 | 5.3 | 67.1 | 5.3 | 47.7 | 6.1 | 41.1 | 5.3 | 64.8 | 4.5 | 56.5 | 2.1 | |
stable | 34.3 | 4.5 | 35.0 | 5.2 | 29.1 | 5.1 | 47.6 | 6.1 | 57.7 | 5.3 | 30.7 | 4.3 | 38.3 | 2.1 | |
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 | 2.9 | 1.4 | 4.4 | 2.5 | 3.5 | 2.4 | 1.5 | 1.5 | 3.0 | 2.1 | 5.2 | 2.6 | 3.5 | 0.9 | |
amoindrie | 56.6 | 4.3 | 67.9 | 5.4 | 67.9 | 6.1 | 50.9 | 6.6 | 39.6 | 5.9 | 51.3 | 5.6 | 55.7 | 2.3 | |
stable | 40.4 | 4.2 | 27.7 | 5.2 | 28.6 | 5.9 | 47.6 | 6.6 | 57.5 | 6.0 | 43.5 | 5.6 | 40.8 | 2.3 | |
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 | 4.0 | 1.2 | 1.2 | 0.8 | 8.0 | 3.2 | 3.4 | 1.9 | 4.0 | 2.0 | 3.6 | 2.1 | 3.6 | 0.7 | |
amoindrie | 45.5 | 3.1 | 53.0 | 3.8 | 51.4 | 5.8 | 41.5 | 5.2 | 41.6 | 4.9 | 57.0 | 5.5 | 48.0 | 1.8 | |
stable | 50.5 | 3.1 | 45.8 | 3.8 | 40.6 | 5.7 | 55.1 | 5.3 | 54.5 | 5.0 | 39.4 | 5.4 | 48.3 | 1.8 | |
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 | 3.2 | 1.1 | 0.0 | . | 9.8 | 4.2 | 3.7 | 3.6 | 0.0 | . | 0.0 | . | 2.9 | 0.8 | |
amoindrie | 41.2 | 3.1 | 42.9 | 5.1 | 45.3 | 7.0 | 44.2 | 9.6 | 45.5 | 8.0 | 60.3 | 10.3 | 43.4 | 2.3 | |
stable | 55.2 | 3.2 | 57.1 | 5.1 | 44.9 | 7.0 | 52.1 | 9.6 | 54.5 | 8.0 | 39.7 | 10.3 | 53.5 | 2.3 | |
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 | 4.3 | 3.0 | 7.1 | 4.9 | 0.0 | . | 0.0 | . | 17.3 | 11.2 | 2.7 | 0.9 | |
amoindrie | 38.6 | 3.2 | 48.3 | 6.9 | 46.5 | 9.7 | 33.4 | 19.3 | 43.1 | 18.8 | 36.8 | 14.7 | 40.8 | 2.7 | |
stable | 60.2 | 3.2 | 47.5 | 6.9 | 46.4 | 9.6 | 66.6 | 19.3 | 56.9 | 18.8 | 45.9 | 15.1 | 56.4 | 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 | . | 0.0 | . | 14.8 | 7.9 | 0.0 | . | 0.0 | . | 0.0 | . | 1.3 | 0.8 | |
amoindrie | 38.0 | 3.7 | 66.5 | 10.4 | 39.4 | 11.0 | 33.1 | 27.2 | 74.6 | 21.9 | 0.0 | . | 41.2 | 3.3 | |
stable | 62.0 | 3.7 | 33.5 | 10.4 | 45.8 | 11.2 | 66.9 | 27.2 | 25.4 | 21.9 | 100.0 | 0.0 | 57.5 | 3.3 | |
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. 1237855. Birmensdorf, Swiss Federal Research Institute WSL