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région économique | |||||||||||||||||||||||||||||||
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Ouest du Jura | Est du Jura | Ouest du Plateau | Centre du Plateau | Est du Plateau | Ouest des Préalpes | Centre des Préalpes | Est des Préalpes | Nord-ouest des Alpes | Centre des Alpes | Nord-est des Alpes | Sud-ouest des Alpes | Sud-est des Alpes | Sud des Alpes | Suisse | |||||||||||||||||
forêt de protection contre des coulées de boue/glissements de terrain (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 | ±% | 1000 ha | ±% | 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 | . | 0.0 | . | 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 | . | 0.0 | . | 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 | . | 0.0 | . | 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 | . | 0.0 | . | 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 | . | 0.0 | . | 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 | . | 0.0 | . | 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 | . | 0.0 | . | 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 | . | 0.0 | . | 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 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
à l'intérieur | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0-100 tiges/ha | 2.5 | 28 | 0.4 | 71 | 0.0 | . | 0.6 | 58 | 0.4 | 71 | 0.8 | 50 | 1.5 | 38 | 0.9 | 50 | 2.2 | 30 | 0.6 | 58 | 0.4 | 71 | 7.9 | 16 | 3.7 | 23 | 13.2 | 12 | 35.2 | 7 | |
101-200 tiges/ha | 3.8 | 23 | 0.4 | 71 | 0.2 | 100 | 0.4 | 71 | 0.4 | 71 | 1.0 | 45 | 1.0 | 45 | 2.1 | 32 | 1.8 | 33 | 0.8 | 50 | 0.4 | 71 | 6.5 | 17 | 4.5 | 21 | 5.2 | 19 | 28.5 | 8 | |
201-300 tiges/ha | 3.1 | 25 | 0.4 | 71 | 0.4 | 71 | 0.8 | 50 | 0.4 | 71 | 0.7 | 50 | 1.1 | 45 | 0.6 | 58 | 1.7 | 33 | 1.4 | 38 | 1.5 | 35 | 5.9 | 18 | 3.8 | 23 | 3.4 | 24 | 25.3 | 9 | |
301-400 tiges/ha | 1.8 | 33 | 0.8 | 50 | 0.2 | 100 | 0.4 | 71 | 0.2 | 100 | 0.2 | 100 | 1.4 | 38 | 0.4 | 71 | 1.2 | 41 | 0.8 | 50 | 1.0 | 45 | 2.6 | 28 | 1.8 | 33 | 2.0 | 32 | 14.6 | 12 | |
401-500 tiges/ha | 1.2 | 41 | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.8 | 50 | 2.0 | 32 | 0.6 | 58 | 0.4 | 71 | 0.2 | 100 | 1.4 | 38 | 0.8 | 50 | 0.6 | 57 | 8.4 | 15 | |
501-600 tiges/ha | 0.4 | 71 | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.2 | 100 | 0.0 | . | 0.8 | 50 | 0.2 | 100 | 0.4 | 71 | 0.2 | 100 | 0.6 | 58 | 0.6 | 58 | 0.8 | 50 | 4.4 | 21 | |
>600 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.2 | 100 | 0.2 | 100 | 0.4 | 71 | 0.2 | 100 | 0.4 | 71 | 0.8 | 50 | 0.0 | . | 2.4 | 29 | |
total | 12.8 | 12 | 1.9 | 32 | 1.0 | 45 | 2.2 | 30 | 1.6 | 35 | 3.4 | 24 | 5.8 | 19 | 7.0 | 17 | 7.8 | 16 | 4.7 | 20 | 3.9 | 22 | 25.3 | 9 | 16.0 | 11 | 25.3 | 8 | 118.6 | 4 | |
à l'extérieur | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0-100 tiges/ha | 30.0 | 7 | 10.3 | 13 | 10.2 | 13 | 15.9 | 11 | 28.9 | 7 | 9.1 | 15 | 18.3 | 10 | 12.8 | 12 | 13.6 | 12 | 5.8 | 18 | 7.0 | 17 | 33.5 | 7 | 38.2 | 7 | 55.4 | 5 | 288.9 | 2 | |
101-200 tiges/ha | 38.0 | 7 | 11.7 | 12 | 10.6 | 13 | 15.9 | 11 | 24.4 | 9 | 6.9 | 16 | 26.0 | 8 | 15.3 | 11 | 11.8 | 13 | 4.0 | 22 | 6.6 | 17 | 19.7 | 10 | 30.9 | 8 | 25.0 | 8 | 246.9 | 3 | |
201-300 tiges/ha | 36.2 | 7 | 9.3 | 14 | 9.4 | 14 | 16.7 | 11 | 26.1 | 8 | 6.8 | 17 | 23.3 | 9 | 14.3 | 11 | 9.4 | 14 | 4.3 | 21 | 3.3 | 24 | 11.9 | 13 | 17.6 | 10 | 15.4 | 11 | 204.1 | 3 | |
301-400 tiges/ha | 21.6 | 9 | 6.1 | 18 | 6.9 | 17 | 11.8 | 13 | 16.8 | 10 | 6.0 | 18 | 13.3 | 12 | 9.8 | 14 | 4.9 | 20 | 2.4 | 29 | 3.5 | 23 | 7.3 | 16 | 13.1 | 12 | 5.3 | 19 | 128.8 | 4 | |
401-500 tiges/ha | 6.6 | 17 | 1.7 | 33 | 4.9 | 20 | 6.0 | 18 | 7.4 | 16 | 4.2 | 22 | 6.0 | 18 | 6.3 | 18 | 2.6 | 28 | 1.0 | 45 | 2.5 | 27 | 4.2 | 22 | 7.3 | 16 | 2.0 | 31 | 62.5 | 5 | |
501-600 tiges/ha | 4.6 | 21 | 1.0 | 45 | 1.8 | 33 | 1.2 | 41 | 2.2 | 30 | 2.7 | 28 | 4.8 | 20 | 2.9 | 26 | 2.0 | 32 | 0.8 | 50 | 0.7 | 50 | 2.3 | 29 | 2.6 | 28 | 0.4 | 71 | 30.0 | 8 | |
>600 tiges/ha | 1.8 | 33 | 0.6 | 58 | 1.4 | 38 | 1.2 | 41 | 1.8 | 33 | 1.2 | 41 | 1.4 | 38 | 3.0 | 26 | 1.0 | 45 | 0.4 | 71 | 1.0 | 45 | 0.4 | 71 | 1.4 | 38 | 0.8 | 50 | 17.4 | 11 | |
total | 138.7 | 2 | 40.7 | 6 | 45.3 | 6 | 68.9 | 5 | 107.6 | 3 | 36.9 | 7 | 93.1 | 4 | 64.4 | 5 | 45.3 | 6 | 18.6 | 10 | 24.7 | 9 | 79.2 | 5 | 111.1 | 4 | 104.3 | 3 | 978.7 | 1 | |
total | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
0-100 tiges/ha | 32.5 | 7 | 10.7 | 13 | 10.2 | 13 | 16.5 | 10 | 29.3 | 7 | 9.9 | 14 | 19.8 | 10 | 13.6 | 12 | 15.8 | 11 | 6.4 | 18 | 7.4 | 16 | 41.4 | 7 | 42.0 | 7 | 68.6 | 4 | 324.1 | 2 | |
101-200 tiges/ha | 41.8 | 6 | 12.1 | 12 | 10.8 | 13 | 16.3 | 11 | 24.8 | 8 | 8.0 | 15 | 27.0 | 8 | 17.4 | 10 | 13.6 | 12 | 4.8 | 20 | 7.0 | 17 | 26.2 | 8 | 35.4 | 7 | 30.2 | 7 | 275.4 | 2 | |
201-300 tiges/ha | 39.4 | 6 | 9.7 | 14 | 9.8 | 14 | 17.5 | 10 | 26.5 | 8 | 7.5 | 16 | 24.3 | 9 | 14.9 | 11 | 11.2 | 13 | 5.7 | 18 | 4.9 | 20 | 17.8 | 10 | 21.4 | 9 | 18.8 | 9 | 229.4 | 3 | |
301-400 tiges/ha | 23.3 | 9 | 6.9 | 17 | 7.1 | 17 | 12.3 | 12 | 17.0 | 10 | 6.2 | 18 | 14.7 | 11 | 10.2 | 14 | 6.1 | 18 | 3.1 | 25 | 4.5 | 21 | 9.8 | 14 | 14.9 | 11 | 7.4 | 16 | 143.4 | 3 | |
401-500 tiges/ha | 7.8 | 16 | 1.7 | 33 | 5.1 | 19 | 6.0 | 18 | 7.4 | 16 | 4.4 | 21 | 6.8 | 17 | 8.3 | 15 | 3.2 | 25 | 1.4 | 38 | 2.7 | 26 | 5.6 | 19 | 8.1 | 15 | 2.5 | 27 | 70.9 | 5 | |
501-600 tiges/ha | 4.9 | 20 | 1.0 | 45 | 1.8 | 33 | 1.2 | 41 | 2.4 | 29 | 2.8 | 27 | 4.8 | 20 | 3.8 | 23 | 2.1 | 30 | 1.2 | 41 | 0.9 | 44 | 2.9 | 26 | 3.2 | 25 | 1.2 | 41 | 34.4 | 7 | |
>600 tiges/ha | 1.8 | 33 | 0.6 | 58 | 1.4 | 38 | 1.2 | 41 | 1.8 | 33 | 1.4 | 38 | 1.4 | 38 | 3.3 | 25 | 1.2 | 41 | 0.8 | 50 | 1.2 | 41 | 0.8 | 50 | 2.2 | 30 | 0.8 | 50 | 19.7 | 10 | |
total | 151.5 | 2 | 42.6 | 6 | 46.3 | 6 | 71.0 | 4 | 109.2 | 3 | 40.2 | 6 | 98.9 | 4 | 71.5 | 5 | 53.1 | 6 | 23.3 | 9 | 28.6 | 8 | 104.5 | 4 | 127.1 | 3 | 129.5 | 2 | 1097.3 | 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. 1202102. Birmensdorf, Swiss Federal Research Institute WSL