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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 | |||||||||
âge du peuplement (classes de 40 ans) | stabilité du peuplement | 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 | . |
critique | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
amoindrie | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
stable | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
total | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
0 (sans boisement) | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
critique | 0.3 | 100 | 0.4 | 100 | 0.7 | 71 | 0.0 | . | 0.0 | . | 0.4 | 100 | 1.8 | 45 | |
amoindrie | 2.4 | 38 | 1.3 | 50 | 0.4 | 100 | 0.0 | . | 1.7 | 45 | 1.0 | 58 | 6.8 | 22 | |
stable | 2.4 | 38 | 1.4 | 50 | 1.1 | 58 | 1.8 | 45 | 3.4 | 32 | 0.4 | 100 | 10.4 | 18 | |
total | 5.2 | 26 | 3.1 | 33 | 2.1 | 41 | 1.8 | 45 | 5.1 | 26 | 1.7 | 44 | 19.0 | 13 | |
1-40 ans | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
critique | 3.2 | 33 | 1.1 | 58 | 3.1 | 33 | 0.4 | 100 | 1.4 | 50 | 1.4 | 50 | 10.6 | 18 | |
amoindrie | 52.3 | 7 | 23.7 | 12 | 11.2 | 18 | 8.1 | 21 | 12.3 | 17 | 10.4 | 18 | 118.1 | 5 | |
stable | 42.5 | 8 | 10.1 | 19 | 9.1 | 20 | 5.3 | 26 | 9.1 | 19 | 4.7 | 26 | 80.9 | 6 | |
total | 98.0 | 5 | 34.9 | 10 | 23.4 | 12 | 13.8 | 16 | 22.8 | 12 | 16.5 | 14 | 209.5 | 4 | |
41-80 ans | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
critique | 5.9 | 24 | 1.1 | 58 | 1.8 | 45 | 1.8 | 45 | 0.7 | 71 | 3.7 | 31 | 14.9 | 15 | |
amoindrie | 36.9 | 9 | 18.9 | 14 | 13.2 | 16 | 13.1 | 16 | 9.2 | 19 | 37.2 | 9 | 128.6 | 5 | |
stable | 32.6 | 10 | 8.6 | 20 | 5.1 | 27 | 6.7 | 23 | 8.1 | 21 | 13.6 | 15 | 74.8 | 7 | |
total | 75.4 | 6 | 28.6 | 11 | 20.1 | 13 | 21.6 | 12 | 18.1 | 14 | 54.5 | 7 | 218.3 | 4 | |
81-120 ans | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
critique | 1.0 | 58 | 0.7 | 71 | 2.1 | 41 | 0.0 | . | 0.7 | 71 | 0.0 | . | 4.5 | 28 | |
amoindrie | 46.2 | 8 | 12.7 | 16 | 18.1 | 13 | 5.9 | 24 | 7.9 | 21 | 6.0 | 24 | 96.9 | 6 | |
stable | 66.6 | 7 | 13.4 | 16 | 9.5 | 19 | 5.3 | 26 | 7.8 | 21 | 5.3 | 25 | 107.9 | 5 | |
total | 113.8 | 4 | 26.8 | 11 | 29.7 | 10 | 11.2 | 17 | 16.4 | 14 | 11.3 | 17 | 209.2 | 3 | |
121-160 ans | pas d'indication | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 100 |
critique | 0.7 | 71 | 0.7 | 71 | 0.4 | 100 | 1.0 | 58 | 0.7 | 71 | 0.4 | 100 | 3.9 | 30 | |
amoindrie | 15.2 | 15 | 12.3 | 16 | 10.0 | 18 | 4.9 | 27 | 8.5 | 20 | 4.4 | 28 | 55.3 | 8 | |
stable | 25.5 | 11 | 10.7 | 18 | 8.0 | 21 | 4.6 | 28 | 8.5 | 20 | 5.8 | 24 | 63.2 | 7 | |
total | 41.8 | 8 | 23.8 | 12 | 18.3 | 13 | 10.5 | 18 | 17.8 | 14 | 10.5 | 18 | 122.8 | 5 | |
>160 ans | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
critique | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.3 | 100 | 0.7 | 71 | 0.4 | 100 | 1.8 | 45 | |
amoindrie | 6.4 | 23 | 16.5 | 14 | 8.3 | 20 | 7.2 | 22 | 8.7 | 20 | 6.9 | 22 | 54.0 | 8 | |
stable | 5.7 | 25 | 8.1 | 20 | 3.7 | 30 | 9.8 | 19 | 18.3 | 14 | 9.0 | 19 | 54.5 | 8 | |
total | 12.5 | 17 | 24.6 | 11 | 12.0 | 17 | 17.3 | 14 | 27.7 | 11 | 16.3 | 14 | 110.3 | 5 | |
peuplements inéquiens | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
critique | 2.2 | 41 | 1.1 | 58 | 0.8 | 71 | 0.4 | 100 | 0.0 | . | 0.4 | 100 | 4.8 | 28 | |
amoindrie | 25.9 | 11 | 27.3 | 11 | 15.7 | 15 | 15.2 | 15 | 13.2 | 16 | 18.1 | 13 | 115.3 | 5 | |
stable | 46.1 | 8 | 34.1 | 10 | 12.3 | 17 | 24.3 | 12 | 27.3 | 11 | 23.2 | 12 | 167.3 | 4 | |
total | 74.2 | 6 | 62.5 | 7 | 28.8 | 11 | 39.9 | 9 | 40.5 | 9 | 41.7 | 8 | 287.4 | 3 | |
total | pas d'indication | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 100 |
critique | 13.7 | 16 | 5.2 | 27 | 8.8 | 20 | 3.9 | 30 | 4.2 | 29 | 6.5 | 23 | 42.2 | 9 | |
amoindrie | 185.3 | 3 | 112.7 | 5 | 77.0 | 6 | 54.4 | 8 | 61.5 | 7 | 84.0 | 5 | 574.9 | 2 | |
stable | 221.4 | 3 | 86.5 | 6 | 48.7 | 8 | 57.7 | 7 | 82.6 | 6 | 62.0 | 6 | 558.9 | 2 | |
total | 420.7 | 1 | 204.4 | 3 | 134.4 | 5 | 116.0 | 5 | 148.4 | 4 | 152.5 | 2 | 1176.4 | 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. 1213306. Birmensdorf, Swiss Federal Research Institute WSL