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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) | 7.8 | 3.1 | 10.2 | 4.8 | 15.2 | 6.3 | 21.1 | 8.4 | 10.1 | 6.8 | 10.7 | 5.8 | 11.3 | 2.1 | |
1-40 ans | 80.2 | 4.6 | 72.2 | 7.1 | 69.3 | 8.1 | 66.7 | 9.6 | 89.9 | 6.8 | 57.4 | 9.3 | 73.8 | 3.0 | |
41-80 ans | 3.9 | 2.2 | 10.0 | 4.8 | 9.4 | 5.2 | 8.3 | 5.6 | 0.0 | . | 21.2 | 7.7 | 8.0 | 1.8 | |
81-120 ans | 2.7 | 1.9 | 2.5 | 2.4 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.4 | 0.8 | |
121-160 ans | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
>160 ans | 0.0 | . | 0.0 | . | 2.9 | 2.9 | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 0.4 | |
peuplements inéquiens | 5.4 | 2.6 | 5.0 | 3.5 | 3.2 | 3.1 | 3.9 | 3.9 | 0.0 | . | 10.7 | 5.8 | 5.0 | 1.5 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
résineux | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0 (sans boisement) | 0.4 | 0.2 | 2.7 | 0.6 | 0.6 | 0.4 | 1.9 | 0.6 | 2.1 | 0.6 | 1.2 | 0.6 | 1.5 | 0.2 | |
1-40 ans | 20.6 | 1.1 | 13.5 | 1.2 | 15.3 | 1.7 | 10.4 | 1.4 | 13.2 | 1.3 | 8.7 | 1.5 | 14.8 | 0.6 | |
41-80 ans | 15.8 | 1.1 | 11.0 | 1.1 | 12.3 | 1.6 | 13.0 | 1.5 | 10.4 | 1.2 | 14.0 | 1.9 | 12.9 | 0.5 | |
81-120 ans | 23.2 | 1.3 | 15.3 | 1.3 | 21.4 | 2.0 | 9.4 | 1.3 | 12.7 | 1.3 | 9.3 | 1.6 | 16.5 | 0.6 | |
121-160 ans | 16.1 | 1.1 | 14.3 | 1.3 | 19.8 | 1.9 | 12.6 | 1.5 | 15.9 | 1.4 | 13.3 | 1.9 | 15.4 | 0.6 | |
>160 ans | 3.9 | 0.6 | 8.9 | 1.0 | 8.1 | 1.3 | 15.3 | 1.6 | 16.2 | 1.4 | 15.5 | 2.0 | 10.1 | 0.5 | |
peuplements inéquiens | 20.0 | 1.2 | 34.2 | 1.7 | 22.6 | 2.0 | 37.4 | 2.2 | 29.5 | 1.7 | 37.9 | 2.6 | 28.8 | 0.7 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
feuillus | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0 (sans boisement) | 0.9 | 0.3 | 1.8 | 0.9 | 1.4 | 0.8 | 0.0 | . | 3.0 | 2.1 | 0.2 | 0.2 | 0.9 | 0.2 | |
1-40 ans | 21.6 | 1.2 | 21.8 | 2.7 | 27.5 | 3.1 | 36.8 | 4.8 | 38.7 | 5.9 | 19.8 | 1.9 | 23.1 | 0.9 | |
41-80 ans | 21.1 | 1.3 | 16.9 | 2.5 | 18.3 | 2.7 | 33.6 | 4.7 | 22.0 | 5.0 | 40.5 | 2.4 | 25.1 | 0.9 | |
81-120 ans | 30.7 | 1.4 | 20.2 | 2.6 | 27.6 | 3.0 | 5.0 | 2.2 | 7.3 | 3.1 | 5.4 | 1.1 | 21.8 | 0.9 | |
121-160 ans | 9.8 | 0.9 | 10.9 | 2.1 | 6.4 | 1.7 | 0.9 | 0.9 | 7.2 | 3.1 | 3.5 | 0.9 | 7.7 | 0.6 | |
>160 ans | 0.9 | 0.3 | 1.7 | 0.9 | 1.4 | 0.8 | 0.0 | . | 0.0 | . | 1.8 | 0.6 | 1.2 | 0.2 | |
peuplements inéquiens | 15.0 | 1.1 | 26.7 | 2.9 | 17.4 | 2.6 | 23.7 | 4.2 | 21.9 | 5.0 | 28.7 | 2.2 | 20.1 | 0.9 | |
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 | . |
0 (sans boisement) | 0.9 | 0.2 | 2.8 | 0.5 | 1.6 | 0.5 | 2.3 | 0.6 | 2.4 | 0.6 | 1.0 | 0.3 | 1.7 | 0.2 | |
1-40 ans | 23.2 | 0.7 | 17.7 | 1.2 | 21.7 | 1.6 | 17.0 | 1.5 | 17.5 | 1.4 | 16.5 | 1.3 | 19.9 | 0.5 | |
41-80 ans | 17.9 | 0.8 | 12.3 | 1.0 | 14.0 | 1.3 | 16.2 | 1.5 | 11.2 | 1.1 | 28.9 | 1.6 | 16.9 | 0.5 | |
81-120 ans | 26.0 | 0.9 | 15.9 | 1.1 | 22.3 | 1.6 | 8.3 | 1.1 | 11.9 | 1.2 | 6.8 | 0.9 | 17.8 | 0.5 | |
121-160 ans | 12.5 | 0.7 | 12.9 | 1.0 | 14.7 | 1.3 | 10.2 | 1.2 | 14.7 | 1.3 | 7.4 | 0.9 | 12.2 | 0.4 | |
>160 ans | 2.3 | 0.3 | 6.9 | 0.8 | 5.8 | 0.9 | 12.2 | 1.3 | 14.3 | 1.3 | 7.4 | 0.9 | 6.7 | 0.3 | |
peuplements inéquiens | 17.1 | 0.8 | 31.4 | 1.4 | 20.0 | 1.5 | 33.8 | 1.9 | 28.0 | 1.6 | 31.9 | 1.7 | 24.9 | 0.5 | |
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. 1322129. Birmensdorf, Swiss Federal Research Institute WSL