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région biogéographique | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jura | Plateau | nord des Alpes | ouest des Alpes centrales | est des Alpes centrales | 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) | 9.4 | 9.0 | 22.4 | 11.5 | 12.0 | 5.7 | 5.7 | 5.6 | 19.3 | 10.1 | 6.3 | 6.1 | 12.2 | 3.2 | |
1-40 ans | 80.3 | 12.6 | 60.7 | 13.7 | 75.5 | 7.6 | 82.4 | 9.2 | 67.3 | 12.1 | 67.8 | 12.0 | 73.0 | 4.4 | |
41-80 ans | 0.0 | . | 0.0 | . | 9.3 | 5.1 | 6.0 | 5.8 | 0.0 | . | 18.9 | 9.9 | 6.6 | 2.4 | |
81-120 ans | 0.0 | . | 8.7 | 8.3 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.1 | 1.1 | |
121-160 ans | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
>160 ans | 10.3 | 9.8 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.1 | 1.1 | |
peuplements inéquiens | 0.0 | . | 8.1 | 7.8 | 3.1 | 3.1 | 5.8 | 5.7 | 13.4 | 8.8 | 7.0 | 6.7 | 6.0 | 2.4 | |
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) | 0.3 | 0.3 | 0.8 | 0.5 | 1.7 | 0.5 | 0.8 | 0.6 | 2.8 | 0.8 | 3.0 | 1.2 | 1.6 | 0.3 | |
1-40 ans | 12.0 | 1.9 | 27.6 | 2.2 | 12.2 | 1.3 | 7.1 | 1.7 | 11.7 | 1.6 | 8.7 | 1.9 | 13.7 | 0.7 | |
41-80 ans | 12.0 | 1.9 | 24.8 | 2.2 | 13.6 | 1.4 | 13.0 | 2.2 | 11.8 | 1.7 | 15.2 | 2.5 | 15.0 | 0.8 | |
81-120 ans | 21.0 | 2.4 | 25.4 | 2.2 | 13.4 | 1.3 | 8.7 | 1.8 | 10.7 | 1.6 | 8.9 | 2.0 | 15.0 | 0.8 | |
121-160 ans | 12.8 | 2.0 | 10.1 | 1.6 | 14.2 | 1.4 | 12.1 | 2.1 | 14.0 | 1.8 | 11.7 | 2.3 | 12.8 | 0.7 | |
>160 ans | 7.7 | 1.6 | 1.4 | 0.6 | 15.9 | 1.4 | 17.9 | 2.5 | 20.5 | 2.1 | 19.1 | 2.8 | 13.7 | 0.7 | |
peuplements inéquiens | 34.3 | 2.8 | 9.8 | 1.6 | 29.1 | 1.8 | 40.5 | 3.2 | 28.4 | 2.3 | 33.4 | 3.3 | 28.2 | 1.0 | |
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) | 0.4 | 0.4 | 1.6 | 0.7 | 0.7 | 0.5 | 0.0 | . | 0.0 | . | 0.0 | . | 0.7 | 0.2 | |
1-40 ans | 15.8 | 2.3 | 31.0 | 2.3 | 21.0 | 2.5 | 23.1 | 5.8 | 27.2 | 6.4 | 14.4 | 2.2 | 22.0 | 1.1 | |
41-80 ans | 15.4 | 2.3 | 18.3 | 2.0 | 18.1 | 2.4 | 46.0 | 6.9 | 23.2 | 6.1 | 50.6 | 3.2 | 25.7 | 1.2 | |
81-120 ans | 36.5 | 3.1 | 27.5 | 2.2 | 25.3 | 2.6 | 9.7 | 4.1 | 13.9 | 4.9 | 6.3 | 1.6 | 23.1 | 1.2 | |
121-160 ans | 11.3 | 2.0 | 7.1 | 1.3 | 8.1 | 1.6 | 0.0 | . | 5.5 | 3.1 | 2.5 | 1.0 | 6.8 | 0.7 | |
>160 ans | 2.9 | 1.1 | 1.4 | 0.6 | 2.4 | 0.9 | 0.0 | . | 2.2 | 2.2 | 3.8 | 1.2 | 2.4 | 0.4 | |
peuplements inéquiens | 17.8 | 2.5 | 13.1 | 1.7 | 24.5 | 2.6 | 21.2 | 5.7 | 28.0 | 6.5 | 22.4 | 2.7 | 19.3 | 1.1 | |
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) | 0.5 | 0.3 | 1.6 | 0.5 | 1.8 | 0.4 | 1.0 | 0.5 | 3.0 | 0.8 | 1.5 | 0.6 | 1.6 | 0.2 | |
1-40 ans | 15.0 | 1.5 | 29.9 | 1.5 | 16.9 | 1.2 | 14.0 | 2.0 | 15.2 | 1.7 | 13.6 | 1.5 | 18.4 | 0.6 | |
41-80 ans | 13.2 | 1.4 | 21.1 | 1.5 | 14.7 | 1.2 | 18.2 | 2.2 | 12.6 | 1.6 | 34.4 | 2.2 | 18.6 | 0.6 | |
81-120 ans | 27.4 | 1.9 | 26.2 | 1.5 | 16.3 | 1.2 | 8.3 | 1.6 | 10.7 | 1.5 | 7.2 | 1.2 | 17.5 | 0.6 | |
121-160 ans | 11.9 | 1.4 | 8.4 | 1.0 | 11.9 | 1.0 | 9.4 | 1.7 | 12.6 | 1.6 | 6.4 | 1.1 | 10.3 | 0.5 | |
>160 ans | 5.6 | 1.0 | 1.4 | 0.4 | 11.5 | 1.0 | 13.9 | 2.0 | 17.9 | 1.8 | 10.3 | 1.4 | 9.3 | 0.5 | |
peuplements inéquiens | 26.4 | 1.9 | 11.5 | 1.2 | 26.9 | 1.5 | 35.3 | 2.7 | 27.9 | 2.1 | 26.6 | 2.1 | 24.4 | 0.7 | |
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. 1322158. Birmensdorf, Swiss Federal Research Institute WSL