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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 | |||||||||
forêt de protection contre des processus liés aux cours d'eau (2022) | nombre de tiges/ha (DHP ≥24 cm; vifs sur pied; par classes) | 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 | . |
0-100 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
101-200 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
201-300 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
301-400 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
401-500 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
501-600 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
>600 tiges/ha | 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 | . | |
à l'interieur | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0-100 tiges/ha | 9.0 | 19 | 23.6 | 12 | 15.4 | 15 | 17.7 | 14 | 18.2 | 13 | 33.5 | 9 | 117.4 | 5 | |
101-200 tiges/ha | 12.4 | 16 | 30.7 | 10 | 18.2 | 14 | 20.6 | 13 | 15.8 | 15 | 26.2 | 11 | 123.9 | 5 | |
201-300 tiges/ha | 11.0 | 17 | 19.4 | 13 | 12.7 | 16 | 17.8 | 14 | 16.3 | 14 | 25.5 | 11 | 102.8 | 5 | |
301-400 tiges/ha | 4.5 | 28 | 15.4 | 15 | 11.4 | 17 | 6.9 | 22 | 7.8 | 21 | 13.6 | 16 | 59.5 | 7 | |
401-500 tiges/ha | 1.1 | 58 | 6.8 | 22 | 5.0 | 27 | 5.2 | 26 | 3.3 | 33 | 5.8 | 24 | 27.1 | 11 | |
501-600 tiges/ha | 1.7 | 45 | 2.7 | 36 | 1.9 | 45 | 1.5 | 50 | 2.1 | 41 | 3.6 | 31 | 13.4 | 16 | |
>600 tiges/ha | 0.0 | . | 3.0 | 33 | 2.5 | 38 | 0.0 | . | 0.7 | 71 | 1.1 | 58 | 7.3 | 22 | |
total | 39.7 | 9 | 101.6 | 5 | 67.0 | 7 | 69.6 | 6 | 64.1 | 7 | 109.4 | 3 | 451.4 | 2 | |
à l'extérieur | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0-100 tiges/ha | 127.8 | 4 | 30.2 | 11 | 21.8 | 13 | 23.7 | 12 | 31.0 | 10 | 17.9 | 13 | 252.4 | 3 | |
101-200 tiges/ha | 116.6 | 5 | 31.9 | 10 | 13.8 | 16 | 8.2 | 21 | 20.9 | 13 | 8.7 | 20 | 200.1 | 4 | |
201-300 tiges/ha | 76.1 | 6 | 17.2 | 14 | 14.6 | 15 | 7.4 | 22 | 18.9 | 13 | 8.0 | 21 | 142.1 | 5 | |
301-400 tiges/ha | 38.2 | 9 | 11.1 | 17 | 9.1 | 20 | 2.0 | 41 | 7.8 | 21 | 5.0 | 27 | 73.3 | 7 | |
401-500 tiges/ha | 14.7 | 15 | 5.4 | 25 | 3.0 | 33 | 2.1 | 41 | 3.5 | 32 | 1.9 | 44 | 30.7 | 11 | |
501-600 tiges/ha | 5.9 | 24 | 4.5 | 28 | 2.4 | 38 | 1.5 | 50 | 1.1 | 58 | 1.1 | 58 | 16.5 | 15 | |
>600 tiges/ha | 1.7 | 45 | 2.4 | 38 | 2.9 | 33 | 1.4 | 50 | 1.1 | 58 | 0.4 | 100 | 9.9 | 18 | |
total | 381.1 | 1 | 102.8 | 5 | 67.5 | 7 | 46.4 | 8 | 84.3 | 6 | 43.0 | 8 | 725.0 | 1 | |
total | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0-100 tiges/ha | 136.8 | 4 | 53.9 | 8 | 37.1 | 10 | 41.4 | 9 | 49.2 | 8 | 51.4 | 7 | 369.7 | 3 | |
101-200 tiges/ha | 129.0 | 4 | 62.6 | 7 | 32.0 | 10 | 28.7 | 11 | 36.7 | 9 | 35.0 | 9 | 324.0 | 3 | |
201-300 tiges/ha | 87.2 | 6 | 36.5 | 9 | 27.3 | 11 | 25.2 | 11 | 35.1 | 10 | 33.5 | 9 | 244.9 | 3 | |
301-400 tiges/ha | 42.7 | 9 | 26.5 | 11 | 20.4 | 13 | 9.0 | 19 | 15.6 | 15 | 18.7 | 13 | 132.8 | 5 | |
401-500 tiges/ha | 15.8 | 15 | 12.2 | 16 | 8.0 | 21 | 7.4 | 22 | 6.8 | 23 | 7.7 | 21 | 57.8 | 8 | |
501-600 tiges/ha | 7.6 | 21 | 7.2 | 22 | 4.3 | 29 | 2.9 | 35 | 3.2 | 33 | 4.7 | 27 | 29.9 | 11 | |
>600 tiges/ha | 1.7 | 45 | 5.4 | 25 | 5.4 | 25 | 1.4 | 50 | 1.8 | 45 | 1.5 | 50 | 17.2 | 14 | |
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. 1367213. Birmensdorf, Swiss Federal Research Institute WSL