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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 protectrice (2022) | indice de densité du peuplement (4 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 | . |
=400 (peu dense) | 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 | . | |
401-800 (moyennement dense) | 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 | . | |
801-1200 (dense) | 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 | . | |
>1200 (très dense) | 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 | . |
=400 (peu dense) | 5.3 | 26 | 0.7 | 71 | 0.7 | 71 | 2.4 | 38 | 2.7 | 35 | 5.7 | 26 | 10.0 | 18 | 8.2 | 21 | 12.8 | 16 | 2.1 | 41 | 8.4 | 20 | 26.5 | 11 | 22.5 | 12 | 44.5 | 8 | 152.6 | 4 | |
401-800 (moyennement dense) | 17.3 | 14 | 1.7 | 44 | 1.7 | 45 | 2.8 | 35 | 8.5 | 20 | 9.1 | 19 | 22.4 | 12 | 19.0 | 13 | 15.3 | 15 | 6.3 | 23 | 6.5 | 23 | 31.6 | 10 | 30.1 | 10 | 44.0 | 8 | 216.3 | 4 | |
801-1200 (dense) | 4.2 | 28 | 1.7 | 44 | 1.0 | 58 | 1.4 | 50 | 1.3 | 50 | 6.3 | 23 | 12.7 | 16 | 9.5 | 19 | 7.4 | 21 | 3.4 | 32 | 2.2 | 37 | 11.5 | 17 | 14.5 | 15 | 13.4 | 16 | 90.5 | 6 | |
>1200 (très dense) | 0.0 | . | 0.0 | . | 0.7 | 71 | 0.3 | 100 | 0.0 | . | 2.1 | 41 | 2.8 | 35 | 3.9 | 30 | 1.3 | 50 | 1.3 | 50 | 2.0 | 41 | 3.5 | 31 | 1.7 | 45 | 1.0 | 58 | 20.8 | 13 | |
total | 26.8 | 11 | 4.2 | 28 | 4.1 | 29 | 6.9 | 22 | 12.6 | 16 | 23.2 | 12 | 47.9 | 8 | 40.6 | 8 | 36.9 | 9 | 13.2 | 16 | 19.0 | 13 | 73.2 | 6 | 68.8 | 7 | 102.9 | 3 | 480.2 | 2 | |
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 | . |
=400 (peu dense) | 29.7 | 10 | 10.4 | 18 | 7.6 | 21 | 14.7 | 15 | 25.0 | 11 | 4.2 | 30 | 10.5 | 19 | 6.4 | 24 | 6.4 | 23 | 2.5 | 38 | 2.8 | 35 | 13.7 | 16 | 17.6 | 14 | 9.0 | 19 | 160.4 | 4 | |
401-800 (moyennement dense) | 70.7 | 6 | 21.7 | 12 | 16.9 | 14 | 36.3 | 9 | 49.1 | 7 | 5.5 | 25 | 22.4 | 12 | 11.2 | 17 | 7.2 | 22 | 4.9 | 27 | 3.2 | 33 | 6.0 | 24 | 26.3 | 11 | 6.6 | 23 | 287.8 | 3 | |
801-1200 (dense) | 18.1 | 13 | 4.6 | 27 | 9.6 | 19 | 15.0 | 15 | 16.2 | 14 | 3.9 | 30 | 11.6 | 17 | 6.5 | 23 | 1.1 | 58 | 1.3 | 50 | 1.3 | 50 | 2.1 | 41 | 6.2 | 23 | 1.8 | 45 | 99.3 | 6 | |
>1200 (très dense) | 2.5 | 38 | 0.7 | 70 | 1.8 | 45 | 2.9 | 35 | 2.4 | 38 | 1.4 | 50 | 2.1 | 41 | 4.0 | 30 | 1.8 | 45 | 0.4 | 100 | 0.7 | 71 | 0.4 | 100 | 0.4 | 100 | 0.4 | 100 | 21.8 | 13 | |
total | 121.0 | 4 | 37.4 | 9 | 35.8 | 9 | 68.9 | 6 | 92.7 | 5 | 15.0 | 15 | 46.6 | 8 | 28.0 | 11 | 16.4 | 14 | 9.0 | 19 | 8.0 | 21 | 22.2 | 12 | 50.5 | 8 | 17.8 | 14 | 569.3 | 2 | |
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 | . |
=400 (peu dense) | 35.0 | 9 | 11.1 | 17 | 8.3 | 20 | 17.1 | 13 | 27.7 | 10 | 9.8 | 19 | 20.6 | 13 | 14.6 | 16 | 19.2 | 13 | 4.6 | 28 | 11.2 | 17 | 40.2 | 9 | 40.1 | 9 | 53.5 | 7 | 313.0 | 3 | |
401-800 (moyennement dense) | 88.0 | 5 | 23.4 | 11 | 18.6 | 13 | 39.1 | 9 | 57.6 | 7 | 14.6 | 15 | 44.8 | 8 | 30.2 | 10 | 22.5 | 12 | 11.2 | 17 | 9.6 | 19 | 37.6 | 9 | 56.3 | 7 | 50.6 | 7 | 504.1 | 2 | |
801-1200 (dense) | 22.3 | 12 | 6.4 | 23 | 10.6 | 18 | 16.4 | 14 | 17.6 | 13 | 10.2 | 18 | 24.3 | 12 | 15.9 | 14 | 8.5 | 20 | 4.7 | 27 | 3.5 | 30 | 13.7 | 16 | 20.7 | 13 | 15.2 | 14 | 189.8 | 4 | |
>1200 (très dense) | 2.5 | 38 | 0.7 | 70 | 2.5 | 38 | 3.2 | 33 | 2.4 | 38 | 3.6 | 32 | 4.9 | 27 | 7.9 | 21 | 3.1 | 33 | 1.7 | 45 | 2.6 | 35 | 3.9 | 30 | 2.1 | 41 | 1.4 | 50 | 42.5 | 9 | |
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. 1332315. Birmensdorf, Swiss Federal Research Institute WSL