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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) | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% | 1000 ha | ±% |
pas d'indication | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0 (sans boisement) | 1.4 | 50 | 0.3 | 100 | 1.1 | 58 | 0.3 | 100 | 1.0 | 58 | 0.3 | 100 | 4.4 | 28 | |
1-40 ans | 5.4 | 26 | 3.2 | 35 | 6.1 | 24 | 5.0 | 27 | 3.5 | 32 | 3.1 | 33 | 26.3 | 12 | |
41-80 ans | 0.0 | . | 1.1 | 58 | 0.0 | . | 0.4 | 100 | 0.0 | . | 1.0 | 57 | 2.4 | 38 | |
81-120 ans | 0.4 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | |
121-160 ans | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
>160 ans | 0.4 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | |
peuplements inéquiens | 0.4 | 100 | 0.4 | 100 | 0.0 | . | 0.4 | 100 | 0.7 | 71 | 0.4 | 100 | 2.1 | 41 | |
total | 7.9 | 21 | 4.9 | 28 | 7.2 | 22 | 6.0 | 24 | 5.3 | 26 | 4.8 | 26 | 36.1 | 10 | |
résineux | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0 (sans boisement) | 1.4 | 50 | 2.8 | 35 | 0.7 | 71 | 1.4 | 50 | 4.1 | 29 | 1.4 | 49 | 11.8 | 17 | |
1-40 ans | 43.6 | 8 | 20.6 | 13 | 9.3 | 20 | 7.1 | 22 | 15.5 | 15 | 5.8 | 24 | 101.9 | 6 | |
41-80 ans | 40.8 | 9 | 20.0 | 13 | 12.1 | 17 | 12.7 | 16 | 16.0 | 15 | 9.8 | 19 | 111.5 | 5 | |
81-120 ans | 48.1 | 8 | 16.5 | 14 | 17.3 | 14 | 8.7 | 20 | 15.2 | 15 | 5.6 | 24 | 111.4 | 5 | |
121-160 ans | 23.9 | 12 | 19.1 | 13 | 15.4 | 15 | 10.5 | 18 | 17.8 | 14 | 8.3 | 20 | 95.1 | 6 | |
>160 ans | 9.0 | 20 | 22.6 | 12 | 12.0 | 17 | 17.6 | 14 | 27.7 | 11 | 12.9 | 16 | 101.8 | 5 | |
peuplements inéquiens | 43.8 | 8 | 50.2 | 8 | 19.4 | 13 | 36.1 | 9 | 37.6 | 9 | 22.3 | 12 | 209.4 | 4 | |
total | 210.6 | 3 | 151.8 | 4 | 86.2 | 6 | 94.3 | 5 | 133.9 | 4 | 66.2 | 6 | 743.0 | 1 | |
feuillus | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0 (sans boisement) | 2.4 | 38 | 0.0 | . | 0.7 | 71 | 0.0 | . | 0.0 | . | 0.0 | . | 3.1 | 33 | |
1-40 ans | 51.2 | 8 | 13.1 | 17 | 8.7 | 20 | 5.3 | 26 | 4.5 | 27 | 12.1 | 16 | 95.0 | 6 | |
41-80 ans | 34.6 | 9 | 9.7 | 19 | 8.7 | 20 | 10.3 | 18 | 3.2 | 33 | 44.8 | 7 | 111.2 | 5 | |
81-120 ans | 65.3 | 7 | 10.6 | 18 | 13.5 | 16 | 2.5 | 38 | 2.3 | 38 | 5.7 | 25 | 99.8 | 5 | |
121-160 ans | 18.5 | 13 | 5.0 | 26 | 3.3 | 31 | 0.0 | . | 0.3 | 100 | 2.2 | 41 | 29.4 | 10 | |
>160 ans | 3.8 | 30 | 2.1 | 41 | 0.7 | 71 | 0.0 | . | 0.4 | 100 | 3.4 | 33 | 10.2 | 18 | |
peuplements inéquiens | 31.1 | 10 | 14.0 | 16 | 10.1 | 19 | 4.9 | 27 | 3.9 | 30 | 19.6 | 13 | 83.7 | 6 | |
total | 206.9 | 3 | 54.5 | 8 | 45.7 | 8 | 22.9 | 12 | 14.6 | 15 | 87.8 | 4 | 432.5 | 2 | |
total | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0 (sans boisement) | 5.2 | 26 | 3.1 | 33 | 2.5 | 38 | 1.8 | 45 | 5.1 | 26 | 1.7 | 44 | 19.4 | 13 | |
1-40 ans | 100.2 | 5 | 36.9 | 9 | 24.1 | 12 | 17.4 | 14 | 23.5 | 12 | 21.1 | 12 | 223.2 | 3 | |
41-80 ans | 75.4 | 6 | 30.8 | 11 | 20.8 | 13 | 23.4 | 12 | 19.1 | 13 | 55.5 | 7 | 225.1 | 4 | |
81-120 ans | 113.8 | 4 | 27.1 | 11 | 30.8 | 10 | 11.2 | 17 | 17.5 | 14 | 11.3 | 17 | 211.7 | 3 | |
121-160 ans | 42.4 | 8 | 24.1 | 11 | 18.7 | 13 | 10.5 | 18 | 18.2 | 14 | 10.5 | 18 | 124.5 | 5 | |
>160 ans | 13.2 | 16 | 24.6 | 11 | 12.7 | 16 | 17.6 | 14 | 28.1 | 11 | 16.3 | 14 | 112.5 | 5 | |
peuplements inéquiens | 75.2 | 6 | 64.6 | 7 | 29.5 | 11 | 41.3 | 9 | 42.3 | 9 | 42.3 | 8 | 295.2 | 3 | |
total | 425.4 | 1 | 211.2 | 3 | 139.1 | 4 | 123.2 | 5 | 153.8 | 4 | 158.8 | 2 | 1211.5 | 1 |
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. 1322484. Birmensdorf, Swiss Federal Research Institute WSL