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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 | 2.1 | 41 | 0.3 | 100 | 0.0 | . | 0.3 | 100 | 0.3 | 100 | 1.2 | 58 | 1.2 | 58 | 1.5 | 50 | 2.5 | 38 | 0.0 | . | 0.3 | 100 | 6.4 | 23 | 3.8 | 30 | 10.2 | 18 | 30.3 | 11 | |
101-200 tiges/ha | 3.2 | 33 | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.7 | 71 | 1.1 | 58 | 0.3 | 100 | 1.8 | 45 | 1.6 | 45 | 0.7 | 71 | 1.7 | 45 | 9.3 | 19 | 4.2 | 29 | 5.8 | 25 | 30.7 | 11 | |
201-300 tiges/ha | 4.2 | 28 | 0.0 | . | 0.4 | 100 | 0.7 | 71 | 0.3 | 100 | 0.0 | . | 1.0 | 58 | 1.4 | 50 | 1.7 | 45 | 1.4 | 50 | 1.0 | 58 | 6.1 | 24 | 2.9 | 35 | 3.7 | 31 | 24.7 | 12 | |
301-400 tiges/ha | 2.5 | 37 | 1.4 | 50 | 0.0 | . | 1.0 | 58 | 0.0 | . | 0.0 | . | 2.3 | 41 | 1.4 | 51 | 2.1 | 41 | 1.4 | 50 | 0.0 | . | 3.8 | 30 | 2.5 | 38 | 2.3 | 41 | 20.6 | 13 | |
401-500 tiges/ha | 0.3 | 100 | 0.3 | 100 | 0.3 | 100 | 0.0 | . | 0.3 | 100 | 0.0 | . | 0.0 | . | 1.0 | 58 | 0.7 | 71 | 0.7 | 71 | 0.0 | . | 0.7 | 71 | 0.4 | 100 | 1.5 | 50 | 6.4 | 24 | |
501-600 tiges/ha | 0.3 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.3 | 100 | 0.3 | 100 | 0.4 | 100 | 0.3 | 100 | 0.0 | . | 1.0 | 58 | 0.7 | 71 | 0.4 | 100 | 0.4 | 100 | 4.1 | 29 | |
>600 tiges/ha | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 100 | 0.0 | . | 1.1 | 57 | 0.0 | . | 1.0 | 58 | 0.0 | . | 0.4 | 100 | 0.7 | 71 | 0.0 | . | 3.5 | 32 | |
total | 12.7 | 16 | 2.4 | 38 | 0.7 | 71 | 2.0 | 41 | 1.7 | 45 | 2.9 | 35 | 5.1 | 27 | 8.5 | 20 | 8.9 | 19 | 5.2 | 26 | 4.0 | 29 | 27.3 | 11 | 14.9 | 15 | 23.9 | 11 | 120.3 | 5 | |
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 | 26.6 | 10 | 9.3 | 19 | 9.3 | 19 | 14.6 | 14 | 27.2 | 10 | 9.0 | 20 | 14.8 | 15 | 12.5 | 17 | 13.5 | 16 | 5.3 | 26 | 7.7 | 21 | 28.5 | 11 | 31.3 | 10 | 44.6 | 8 | 254.2 | 3 | |
101-200 tiges/ha | 37.9 | 9 | 13.3 | 16 | 7.4 | 22 | 18.4 | 13 | 24.2 | 11 | 5.1 | 26 | 26.9 | 11 | 11.0 | 18 | 10.6 | 18 | 6.3 | 23 | 6.0 | 24 | 16.3 | 14 | 32.9 | 10 | 22.6 | 12 | 238.8 | 3 | |
201-300 tiges/ha | 38.5 | 9 | 7.7 | 21 | 8.3 | 20 | 19.4 | 13 | 26.2 | 11 | 9.7 | 19 | 23.4 | 12 | 14.7 | 15 | 11.1 | 17 | 2.0 | 41 | 4.1 | 29 | 11.3 | 17 | 19.9 | 13 | 17.5 | 13 | 213.7 | 4 | |
301-400 tiges/ha | 18.4 | 13 | 5.6 | 25 | 7.0 | 22 | 11.4 | 17 | 16.9 | 14 | 5.7 | 24 | 12.3 | 17 | 10.6 | 18 | 3.2 | 33 | 1.4 | 50 | 1.6 | 45 | 6.6 | 23 | 11.5 | 17 | 7.3 | 22 | 119.6 | 5 | |
401-500 tiges/ha | 9.9 | 18 | 1.7 | 44 | 4.8 | 27 | 6.5 | 23 | 6.5 | 23 | 2.5 | 38 | 6.5 | 23 | 5.6 | 25 | 3.7 | 30 | 1.0 | 58 | 2.2 | 37 | 3.5 | 31 | 5.6 | 25 | 3.3 | 33 | 63.2 | 7 | |
501-600 tiges/ha | 1.4 | 50 | 1.1 | 58 | 0.7 | 71 | 1.8 | 45 | 2.7 | 35 | 1.1 | 58 | 2.1 | 41 | 2.2 | 41 | 1.3 | 50 | 0.3 | 100 | 0.4 | 100 | 1.1 | 58 | 2.4 | 38 | 1.1 | 58 | 19.6 | 13 | |
>600 tiges/ha | 2.5 | 38 | 0.3 | 100 | 1.8 | 44 | 1.7 | 45 | 0.0 | . | 2.1 | 41 | 3.6 | 32 | 3.5 | 31 | 1.1 | 58 | 0.7 | 71 | 0.9 | 57 | 0.7 | 71 | 0.7 | 71 | 0.4 | 100 | 20.1 | 13 | |
total | 135.1 | 3 | 39.1 | 8 | 39.2 | 9 | 73.7 | 6 | 103.6 | 4 | 35.2 | 9 | 89.5 | 5 | 60.0 | 7 | 44.4 | 8 | 17.0 | 14 | 22.9 | 12 | 68.1 | 7 | 104.4 | 5 | 96.8 | 4 | 929.2 | 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 | 28.6 | 10 | 9.7 | 18 | 9.3 | 19 | 15.0 | 14 | 27.5 | 10 | 10.1 | 19 | 16.0 | 15 | 14.1 | 16 | 16.0 | 15 | 5.3 | 26 | 8.1 | 21 | 34.9 | 10 | 35.1 | 10 | 54.8 | 7 | 284.5 | 3 | |
101-200 tiges/ha | 41.1 | 8 | 13.6 | 15 | 7.4 | 22 | 18.4 | 13 | 24.9 | 11 | 6.2 | 24 | 27.2 | 11 | 12.8 | 16 | 12.2 | 17 | 7.0 | 22 | 7.7 | 21 | 25.5 | 11 | 37.1 | 9 | 28.4 | 10 | 269.6 | 3 | |
201-300 tiges/ha | 42.7 | 8 | 7.7 | 21 | 8.7 | 20 | 20.0 | 12 | 26.5 | 11 | 9.7 | 19 | 24.4 | 12 | 16.0 | 14 | 12.8 | 16 | 3.4 | 32 | 5.1 | 26 | 17.3 | 14 | 22.8 | 12 | 21.2 | 12 | 238.4 | 3 | |
301-400 tiges/ha | 20.9 | 12 | 7.0 | 22 | 7.0 | 22 | 12.4 | 16 | 16.9 | 14 | 5.7 | 24 | 14.6 | 15 | 12.0 | 17 | 5.2 | 26 | 2.8 | 35 | 1.6 | 45 | 10.5 | 18 | 14.1 | 16 | 9.5 | 19 | 140.2 | 5 | |
401-500 tiges/ha | 10.2 | 18 | 2.1 | 41 | 5.1 | 26 | 6.5 | 23 | 6.8 | 22 | 2.5 | 38 | 6.5 | 23 | 6.6 | 23 | 4.4 | 28 | 1.7 | 45 | 2.2 | 37 | 4.3 | 29 | 6.0 | 24 | 4.9 | 27 | 69.6 | 7 | |
501-600 tiges/ha | 1.7 | 44 | 1.1 | 58 | 0.7 | 71 | 1.8 | 45 | 2.7 | 35 | 1.4 | 51 | 2.4 | 38 | 2.5 | 38 | 1.6 | 44 | 0.3 | 100 | 1.3 | 50 | 1.8 | 45 | 2.8 | 35 | 1.5 | 50 | 23.7 | 12 | |
>600 tiges/ha | 2.5 | 38 | 0.3 | 100 | 1.8 | 44 | 1.7 | 45 | 0.0 | . | 2.5 | 38 | 3.6 | 32 | 4.6 | 27 | 1.1 | 58 | 1.7 | 45 | 0.9 | 57 | 1.0 | 58 | 1.4 | 50 | 0.4 | 100 | 23.5 | 12 | |
total | 147.8 | 3 | 41.6 | 8 | 39.9 | 9 | 75.8 | 6 | 105.3 | 4 | 38.2 | 9 | 94.6 | 5 | 68.6 | 6 | 53.3 | 8 | 22.2 | 12 | 27.0 | 11 | 95.4 | 5 | 119.2 | 5 | 120.7 | 3 | 1049.5 | 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. 1202120. Birmensdorf, Swiss Federal Research Institute WSL