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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 | |||||||||
groupe d'essences dominantes | âge du peuplement (classes de 40 ans) | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
pas d'indication | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0 (sans boisement) | 0.3 | 0.2 | 0.2 | 0.2 | 0.6 | 0.4 | 0.4 | 0.4 | 0.9 | 0.5 | 0.3 | 0.3 | 0.4 | 0.1 | |
1-40 ans | 1.0 | 0.3 | 0.9 | 0.4 | 3.7 | 1.0 | 1.8 | 0.8 | 0.6 | 0.4 | 0.0 | . | 1.2 | 0.2 | |
41-80 ans | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.3 | 0.0 | 0.0 | |
81-120 ans | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
121-160 ans | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
>160 ans | 0.1 | 0.1 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | 0.0 | |
peuplements inéquiens | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
total | 1.5 | 0.4 | 1.1 | 0.5 | 4.3 | 1.1 | 2.2 | 0.9 | 1.4 | 0.6 | 0.5 | 0.4 | 1.7 | 0.2 | |
résineux | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0 (sans boisement) | 0.3 | 0.2 | 1.5 | 0.5 | 0.6 | 0.4 | 1.1 | 0.6 | 3.4 | 1.0 | 1.2 | 0.6 | 1.1 | 0.2 | |
1-40 ans | 10.5 | 0.8 | 9.9 | 1.3 | 6.6 | 1.4 | 4.1 | 1.2 | 7.6 | 1.4 | 2.3 | 0.8 | 8.1 | 0.5 | |
41-80 ans | 9.8 | 0.9 | 8.6 | 1.2 | 7.8 | 1.5 | 8.5 | 1.7 | 8.0 | 1.5 | 4.4 | 1.1 | 8.4 | 0.5 | |
81-120 ans | 11.7 | 0.9 | 8.3 | 1.2 | 13.6 | 1.9 | 9.2 | 1.8 | 10.3 | 1.7 | 4.1 | 1.1 | 10.1 | 0.5 | |
121-160 ans | 5.6 | 0.7 | 10.3 | 1.3 | 11.3 | 1.7 | 9.9 | 1.8 | 13.7 | 1.9 | 6.6 | 1.3 | 8.5 | 0.5 | |
>160 ans | 2.1 | 0.4 | 11.2 | 1.3 | 9.3 | 1.6 | 17.4 | 2.3 | 21.4 | 2.2 | 9.8 | 1.6 | 9.0 | 0.5 | |
peuplements inéquiens | 10.0 | 0.8 | 23.1 | 1.9 | 13.1 | 1.8 | 30.7 | 2.8 | 24.1 | 2.3 | 11.7 | 1.7 | 16.3 | 0.7 | |
total | 50.0 | 1.4 | 72.9 | 1.9 | 62.3 | 2.7 | 80.9 | 2.3 | 88.7 | 1.7 | 40.0 | 2.4 | 61.5 | 0.8 | |
feuillus | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0 (sans boisement) | 0.6 | 0.2 | 0.0 | . | 0.3 | 0.3 | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 0.1 | |
1-40 ans | 11.8 | 0.9 | 5.8 | 1.0 | 5.9 | 1.3 | 2.2 | 0.9 | 2.3 | 0.8 | 5.0 | 1.2 | 7.3 | 0.5 | |
41-80 ans | 8.3 | 0.8 | 4.5 | 0.9 | 6.5 | 1.4 | 8.2 | 1.7 | 2.4 | 0.8 | 31.4 | 2.5 | 9.4 | 0.5 | |
81-120 ans | 15.5 | 1.0 | 5.2 | 0.9 | 10.5 | 1.7 | 2.6 | 1.0 | 1.6 | 0.7 | 4.4 | 1.1 | 9.1 | 0.5 | |
121-160 ans | 4.2 | 0.6 | 2.5 | 0.7 | 2.8 | 0.9 | 0.0 | . | 0.3 | 0.3 | 1.8 | 0.7 | 2.6 | 0.3 | |
>160 ans | 0.8 | 0.3 | 1.1 | 0.5 | 0.6 | 0.4 | 0.0 | . | 0.3 | 0.3 | 2.8 | 0.9 | 0.9 | 0.2 | |
peuplements inéquiens | 7.3 | 0.8 | 7.0 | 1.1 | 6.8 | 1.4 | 4.0 | 1.2 | 3.0 | 0.9 | 14.0 | 1.9 | 7.2 | 0.5 | |
total | 48.5 | 1.4 | 26.0 | 1.9 | 33.4 | 2.6 | 17.0 | 2.2 | 9.9 | 1.6 | 59.5 | 2.4 | 36.8 | 0.8 | |
total | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0 (sans boisement) | 1.3 | 0.3 | 1.7 | 0.6 | 1.5 | 0.7 | 1.5 | 0.7 | 4.3 | 1.1 | 1.4 | 0.6 | 1.7 | 0.2 | |
1-40 ans | 23.4 | 1.1 | 16.6 | 1.6 | 16.2 | 2.0 | 8.1 | 1.6 | 10.5 | 1.7 | 7.3 | 1.4 | 16.7 | 0.6 | |
41-80 ans | 18.1 | 1.1 | 13.0 | 1.5 | 14.3 | 1.9 | 16.7 | 2.3 | 10.4 | 1.7 | 36.0 | 2.6 | 17.8 | 0.7 | |
81-120 ans | 27.2 | 1.2 | 13.5 | 1.5 | 24.1 | 2.3 | 11.8 | 2.0 | 12.0 | 1.8 | 8.5 | 1.5 | 19.1 | 0.7 | |
121-160 ans | 9.7 | 0.8 | 12.8 | 1.4 | 14.1 | 1.9 | 9.9 | 1.8 | 14.0 | 1.9 | 8.4 | 1.5 | 11.1 | 0.6 | |
>160 ans | 3.0 | 0.5 | 12.3 | 1.4 | 9.9 | 1.6 | 17.4 | 2.3 | 21.7 | 2.2 | 12.6 | 1.8 | 10.0 | 0.5 | |
peuplements inéquiens | 17.3 | 1.1 | 30.1 | 2.0 | 19.9 | 2.2 | 34.7 | 2.9 | 27.1 | 2.4 | 25.7 | 2.4 | 23.5 | 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. 1322307. Birmensdorf, Swiss Federal Research Institute WSL