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région de production | |||||||||||||
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Jura | Plateau | Préalpes | Alpes | Sud des Alpes | Suisse | ||||||||
nombre d'essences dans la strate supérieure | formations forestières NaiS (10 classes) | % | ± | % | ± | % | ± | % | ± | % | ± | % | ± |
pas d'indication | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
hêtraies | 100.0 | 0.0 | 67.8 | 13.3 | 0.0 | . | 3.7 | 3.6 | 0.0 | . | 21.7 | 5.5 | |
hêtraies à sapin | 0.0 | . | 8.0 | 7.7 | 30.0 | 17.6 | 3.6 | 3.6 | 0.0 | . | 7.3 | 3.5 | |
autres forêts de feuillus | 0.0 | . | 24.1 | 12.2 | 0.0 | . | 3.6 | 3.6 | 18.6 | 16.9 | 8.7 | 3.7 | |
pessières-sapinières | 0.0 | . | 0.0 | . | 55.5 | 18.9 | 26.5 | 8.1 | 20.3 | 18.2 | 22.5 | 5.5 | |
pessières | 0.0 | . | 0.0 | . | 14.6 | 13.4 | 55.4 | 9.2 | 40.7 | 22.1 | 34.3 | 6.3 | |
arolières et mélézins | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
pinèdes | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
forêts pionnières | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 20.3 | 18.2 | 1.8 | 1.8 | |
forêts buissonnantes* | 0.0 | . | 0.0 | . | 0.0 | . | 7.0 | 4.8 | 0.0 | . | 3.7 | 2.5 | |
hors forêt* | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
1 | pas d'indication | 5.6 | 3.8 | 2.0 | 1.9 | 0.9 | 0.9 | 5.4 | 1.4 | 3.2 | 1.8 | 3.8 | 0.8 |
hêtraies | 36.4 | 7.7 | 73.4 | 6.3 | 7.7 | 2.5 | 1.4 | 0.7 | 21.2 | 4.3 | 14.5 | 1.5 | |
hêtraies à sapin | 41.5 | 8.0 | 6.6 | 3.7 | 18.5 | 3.5 | 5.5 | 1.4 | 0.0 | . | 9.8 | 1.2 | |
autres forêts de feuillus | 0.0 | . | 5.9 | 3.3 | 1.9 | 1.3 | 3.0 | 1.0 | 11.0 | 3.3 | 4.1 | 0.8 | |
pessières-sapinières | 8.2 | 4.5 | 3.9 | 2.7 | 30.7 | 4.3 | 18.0 | 2.4 | 21.5 | 4.3 | 19.4 | 1.7 | |
pessières | 0.0 | . | 0.0 | . | 27.4 | 4.2 | 50.4 | 3.1 | 15.1 | 3.7 | 32.0 | 1.9 | |
arolières et mélézins | 0.0 | . | 0.0 | . | 0.0 | . | 4.9 | 1.3 | 16.5 | 3.7 | 5.1 | 0.9 | |
pinèdes | 0.0 | . | 2.0 | 1.9 | 3.7 | 1.8 | 3.4 | 1.1 | 0.0 | . | 2.5 | 0.7 | |
forêts pionnières | 0.0 | . | 0.0 | . | 0.0 | . | 1.1 | 0.7 | 8.4 | 2.9 | 1.9 | 0.6 | |
forêts buissonnantes* | 0.0 | . | 0.0 | . | 0.9 | 0.9 | 1.9 | 0.8 | 2.2 | 1.5 | 1.4 | 0.5 | |
hors forêt* | 8.3 | 4.6 | 6.2 | 3.5 | 8.5 | 2.7 | 4.9 | 1.3 | 1.0 | 1.0 | 5.3 | 1.0 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
2 | pas d'indication | 3.4 | 1.9 | 1.0 | 1.0 | 1.6 | 1.1 | 4.3 | 1.1 | 0.0 | . | 2.7 | 0.6 |
hêtraies | 50.5 | 5.1 | 71.2 | 4.7 | 21.6 | 3.7 | 4.6 | 1.0 | 14.9 | 3.0 | 21.5 | 1.4 | |
hêtraies à sapin | 30.1 | 4.8 | 10.8 | 3.2 | 27.6 | 3.9 | 6.7 | 1.3 | 3.5 | 1.5 | 12.3 | 1.1 | |
autres forêts de feuillus | 6.6 | 2.6 | 10.7 | 3.2 | 8.3 | 2.4 | 3.5 | 0.9 | 18.1 | 3.2 | 8.0 | 0.9 | |
pessières-sapinières | 6.0 | 2.5 | 4.2 | 2.1 | 21.3 | 3.6 | 14.7 | 1.8 | 12.8 | 2.7 | 13.2 | 1.2 | |
pessières | 0.0 | . | 1.0 | 1.0 | 7.9 | 2.4 | 39.8 | 2.5 | 29.9 | 3.8 | 24.5 | 1.4 | |
arolières et mélézins | 0.0 | . | 0.0 | . | 0.0 | . | 13.3 | 1.8 | 6.5 | 2.0 | 7.1 | 0.9 | |
pinèdes | 0.0 | . | 0.0 | . | 2.3 | 1.3 | 4.0 | 1.0 | 0.6 | 0.6 | 2.3 | 0.5 | |
forêts pionnières | 0.0 | . | 0.0 | . | 0.0 | . | 2.4 | 0.8 | 5.8 | 1.9 | 2.1 | 0.5 | |
forêts buissonnantes* | 0.0 | . | 0.0 | . | 1.5 | 1.0 | 3.2 | 0.9 | 2.0 | 1.1 | 2.0 | 0.5 | |
hors forêt* | 3.4 | 1.9 | 1.0 | 1.0 | 8.0 | 2.5 | 3.6 | 1.0 | 5.9 | 1.9 | 4.4 | 0.7 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
3 | pas d'indication | 1.4 | 1.0 | 0.0 | . | 1.6 | 0.9 | 2.6 | 1.0 | 4.2 | 2.1 | 1.8 | 0.5 |
hêtraies | 60.2 | 3.8 | 79.6 | 3.0 | 24.4 | 3.2 | 7.8 | 1.5 | 10.2 | 3.2 | 35.0 | 1.5 | |
hêtraies à sapin | 33.8 | 3.7 | 4.4 | 1.5 | 43.5 | 3.7 | 12.6 | 2.0 | 7.8 | 2.8 | 20.5 | 1.3 | |
autres forêts de feuillus | 2.6 | 1.3 | 12.6 | 2.5 | 10.0 | 2.3 | 4.8 | 1.3 | 32.9 | 4.9 | 10.0 | 1.0 | |
pessières-sapinières | 1.4 | 1.0 | 1.1 | 0.8 | 12.5 | 2.5 | 15.7 | 2.2 | 12.0 | 3.4 | 9.2 | 1.0 | |
pessières | 0.0 | . | 0.0 | . | 1.8 | 1.0 | 32.1 | 2.8 | 7.6 | 2.7 | 11.3 | 1.0 | |
arolières et mélézins | 0.0 | . | 0.0 | . | 0.0 | . | 8.4 | 1.7 | 0.0 | . | 2.7 | 0.5 | |
pinèdes | 0.0 | . | 0.0 | . | 0.6 | 0.6 | 5.1 | 1.3 | 1.0 | 1.0 | 1.8 | 0.4 | |
forêts pionnières | 0.0 | . | 0.0 | . | 0.0 | . | 4.8 | 1.3 | 11.9 | 3.4 | 2.8 | 0.6 | |
forêts buissonnantes* | 0.0 | . | 0.0 | . | 1.3 | 0.9 | 3.7 | 1.1 | 8.4 | 2.8 | 2.3 | 0.5 | |
hors forêt* | 0.6 | 0.6 | 2.3 | 1.1 | 4.3 | 1.5 | 2.2 | 0.9 | 4.1 | 2.0 | 2.6 | 0.5 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
4 | pas d'indication | 0.0 | . | 0.7 | 0.7 | 1.2 | 1.2 | 3.6 | 1.8 | 1.6 | 1.6 | 1.3 | 0.5 |
hêtraies | 56.7 | 3.9 | 81.7 | 3.3 | 42.9 | 4.8 | 23.6 | 3.9 | 9.8 | 3.8 | 48.6 | 2.0 | |
hêtraies à sapin | 34.5 | 3.7 | 3.6 | 1.6 | 31.7 | 4.5 | 17.3 | 3.5 | 8.0 | 3.4 | 20.1 | 1.6 | |
autres forêts de feuillus | 6.1 | 2.0 | 7.5 | 2.2 | 10.4 | 3.0 | 13.5 | 3.2 | 51.2 | 6.3 | 13.7 | 1.4 | |
pessières-sapinières | 0.0 | . | 1.5 | 1.0 | 4.7 | 2.1 | 8.1 | 2.6 | 6.2 | 3.0 | 3.5 | 0.8 | |
pessières | 0.0 | . | 0.0 | . | 2.3 | 1.6 | 9.8 | 2.8 | 0.0 | . | 2.3 | 0.6 | |
arolières et mélézins | 0.0 | . | 0.0 | . | 0.0 | . | 1.8 | 1.2 | 0.0 | . | 0.3 | 0.2 | |
pinèdes | 0.7 | 0.7 | 0.0 | . | 0.0 | . | 3.6 | 1.7 | 1.6 | 1.6 | 1.1 | 0.4 | |
forêts pionnières | 0.0 | . | 0.0 | . | 2.0 | 1.4 | 8.9 | 2.7 | 12.1 | 4.0 | 3.5 | 0.8 | |
forêts buissonnantes* | 0.0 | . | 0.8 | 0.8 | 1.0 | 0.9 | 4.5 | 1.9 | 3.0 | 2.1 | 1.6 | 0.5 | |
hors forêt* | 2.0 | 1.2 | 4.3 | 1.7 | 3.8 | 1.9 | 5.4 | 2.1 | 6.4 | 3.1 | 4.0 | 0.8 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
5 | pas d'indication | 0.0 | . | 1.0 | 1.0 | 3.3 | 2.3 | 3.8 | 2.6 | 3.2 | 3.1 | 1.9 | 0.8 |
hêtraies | 81.2 | 4.7 | 73.8 | 4.3 | 46.5 | 6.8 | 14.9 | 4.6 | 3.4 | 3.4 | 53.1 | 2.8 | |
hêtraies à sapin | 13.0 | 4.0 | 4.8 | 2.1 | 23.9 | 5.8 | 17.9 | 5.1 | 6.4 | 4.4 | 12.5 | 1.9 | |
autres forêts de feuillus | 4.4 | 2.5 | 16.6 | 3.7 | 14.8 | 4.8 | 23.0 | 5.6 | 57.4 | 8.7 | 18.8 | 2.2 | |
pessières-sapinières | 0.0 | . | 0.0 | . | 4.0 | 2.8 | 14.7 | 4.8 | 3.2 | 3.2 | 3.6 | 1.1 | |
pessières | 0.0 | . | 0.0 | . | 0.0 | . | 3.7 | 2.5 | 0.0 | . | 0.6 | 0.5 | |
arolières et mélézins | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
pinèdes | 0.0 | . | 1.0 | 1.0 | 1.7 | 1.7 | 5.4 | 3.0 | 0.0 | . | 1.6 | 0.7 | |
forêts pionnières | 0.0 | . | 0.0 | . | 0.0 | . | 5.5 | 3.1 | 17.4 | 6.4 | 2.7 | 0.9 | |
forêts buissonnantes* | 0.0 | . | 0.0 | . | 2.2 | 2.2 | 5.6 | 3.2 | 2.9 | 2.9 | 1.7 | 0.7 | |
hors forêt* | 1.4 | 1.4 | 2.8 | 1.6 | 3.6 | 2.5 | 5.6 | 3.1 | 6.1 | 4.2 | 3.5 | 1.0 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
6 ou plus | pas d'indication | 0.0 | . | 1.3 | 1.3 | 0.0 | . | 9.1 | 4.3 | 0.0 | . | 2.2 | 1.0 |
hêtraies | 75.5 | 5.9 | 86.4 | 3.8 | 49.4 | 8.5 | 37.4 | 7.2 | 21.2 | 10.8 | 64.0 | 3.2 | |
hêtraies à sapin | 8.0 | 3.8 | 2.6 | 1.8 | 16.9 | 6.3 | 11.2 | 4.7 | 6.6 | 6.4 | 8.1 | 1.8 | |
autres forêts de feuillus | 12.9 | 4.6 | 9.6 | 3.2 | 21.5 | 7.2 | 24.4 | 6.4 | 53.7 | 13.0 | 18.1 | 2.6 | |
pessières-sapinières | 0.0 | . | 0.0 | . | 3.3 | 3.2 | 6.8 | 3.8 | 0.0 | . | 1.9 | 0.9 | |
pessières | 0.0 | . | 0.0 | . | 2.6 | 2.6 | 4.5 | 3.1 | 6.0 | 5.8 | 1.7 | 0.8 | |
arolières et mélézins | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
pinèdes | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
forêts pionnières | 0.0 | . | 0.0 | . | 0.0 | . | 2.2 | 2.2 | 6.6 | 6.4 | 0.9 | 0.6 | |
forêts buissonnantes* | 0.0 | . | 0.0 | . | 0.0 | . | 2.2 | 2.2 | 0.0 | . | 0.4 | 0.4 | |
hors forêt* | 3.6 | 2.5 | 0.0 | . | 6.3 | 4.3 | 2.2 | 2.2 | 6.0 | 5.8 | 2.7 | 1.1 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
total | pas d'indication | 1.3 | 0.5 | 0.7 | 0.3 | 1.4 | 0.5 | 4.2 | 0.6 | 2.0 | 0.6 | 2.3 | 0.3 |
hêtraies | 60.4 | 1.8 | 78.1 | 1.6 | 27.1 | 1.6 | 8.2 | 0.7 | 13.8 | 1.6 | 34.0 | 0.6 | |
hêtraies à sapin | 28.6 | 1.7 | 5.2 | 0.9 | 30.1 | 1.8 | 9.5 | 0.8 | 4.6 | 1.0 | 14.9 | 0.6 | |
autres forêts de feuillus | 5.2 | 0.9 | 11.2 | 1.2 | 9.2 | 1.2 | 6.4 | 0.7 | 28.3 | 2.0 | 10.5 | 0.5 | |
pessières-sapinières | 1.9 | 0.6 | 1.5 | 0.5 | 15.5 | 1.4 | 15.1 | 1.0 | 12.5 | 1.5 | 10.1 | 0.5 | |
pessières | 0.0 | . | 0.1 | 0.1 | 8.0 | 1.1 | 34.8 | 1.4 | 15.2 | 1.7 | 15.1 | 0.6 | |
arolières et mélézins | 0.0 | . | 0.0 | . | 0.0 | . | 7.6 | 0.8 | 5.6 | 1.0 | 3.3 | 0.3 | |
pinèdes | 0.2 | 0.2 | 0.3 | 0.2 | 1.5 | 0.5 | 3.9 | 0.6 | 0.6 | 0.4 | 1.7 | 0.2 | |
forêts pionnières | 0.0 | . | 0.0 | . | 0.3 | 0.2 | 3.4 | 0.5 | 9.5 | 1.3 | 2.4 | 0.3 | |
forêts buissonnantes* | 0.0 | . | 0.2 | 0.2 | 1.2 | 0.4 | 3.3 | 0.5 | 3.5 | 0.8 | 1.8 | 0.2 | |
hors forêt* | 2.4 | 0.7 | 2.6 | 0.6 | 5.7 | 1.0 | 3.7 | 0.6 | 4.5 | 1.0 | 3.8 | 0.3 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . |
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. 1292314. Birmensdorf, Swiss Federal Research Institute WSL