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région de forêt protectrice | |||||||||||||||
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Plateau/Jura | Nord des Alpes ouest | Nord des Alpes est | Sud-ouest des Alpes | Sud-est des 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 | . | 0.0 | . |
hêtraies | 74.3 | 11.1 | 11.9 | 11.1 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 23.0 | 5.8 | |
hêtraies à sapin | 6.4 | 6.2 | 11.5 | 10.8 | 20.2 | 18.1 | 26.2 | 22.3 | 0.0 | . | 0.0 | . | 7.7 | 3.7 | |
autres forêts de feuillus | 19.3 | 10.0 | 11.8 | 11.1 | 0.0 | . | 0.0 | . | 0.0 | . | 18.6 | 16.9 | 9.2 | 3.9 | |
pessières-sapinières | 0.0 | . | 30.6 | 15.0 | 60.1 | 21.9 | 0.0 | . | 38.8 | 12.5 | 20.3 | 18.2 | 23.8 | 5.8 | |
pessières | 0.0 | . | 34.1 | 15.9 | 0.0 | . | 73.8 | 22.3 | 61.2 | 12.5 | 40.7 | 22.1 | 32.5 | 6.4 | |
arolières et mélézins | 0.0 | . | 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 | . | 0.0 | . | |
forêts pionnières | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 20.3 | 18.2 | 1.9 | 1.9 | |
forêts buissonnantes* | 0.0 | . | 0.0 | . | 19.6 | 17.6 | 0.0 | . | 0.0 | . | 0.0 | . | 1.9 | 1.9 | |
hors forêt* | 0.0 | . | 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 | . | 100.0 | . | |
1 | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
hêtraies | 61.6 | 5.4 | 8.2 | 2.6 | 4.4 | 2.5 | 0.0 | . | 0.0 | . | 28.4 | 5.7 | 18.0 | 1.8 | |
hêtraies à sapin | 22.3 | 4.7 | 12.5 | 3.1 | 23.5 | 5.4 | 0.0 | . | 4.0 | 2.0 | 0.0 | . | 11.3 | 1.5 | |
autres forêts de feuillus | 3.5 | 2.0 | 1.7 | 1.2 | 7.0 | 3.4 | 3.8 | 3.7 | 2.1 | 1.5 | 12.7 | 4.2 | 4.6 | 1.0 | |
pessières-sapinières | 6.2 | 2.7 | 28.5 | 4.2 | 29.2 | 5.8 | 15.0 | 6.9 | 24.9 | 4.4 | 26.1 | 5.5 | 22.6 | 2.0 | |
pessières | 0.0 | . | 39.4 | 4.6 | 34.3 | 6.1 | 62.7 | 9.3 | 52.2 | 5.1 | 18.2 | 4.7 | 32.6 | 2.2 | |
arolières et mélézins | 0.0 | . | 0.0 | . | 0.0 | . | 7.5 | 5.1 | 6.3 | 2.5 | 5.7 | 2.7 | 2.7 | 0.8 | |
pinèdes | 1.2 | 1.2 | 2.9 | 1.7 | 1.6 | 1.6 | 3.6 | 3.5 | 6.3 | 2.5 | 0.0 | . | 2.8 | 0.8 | |
forêts pionnières | 0.0 | . | 0.9 | 0.9 | 0.0 | . | 0.0 | . | 2.1 | 1.5 | 7.4 | 3.2 | 1.8 | 0.6 | |
forêts buissonnantes* | 0.0 | . | 0.9 | 0.9 | 0.0 | . | 0.0 | . | 1.1 | 1.1 | 0.0 | . | 0.5 | 0.3 | |
hors forêt* | 5.1 | 2.5 | 5.0 | 2.2 | 0.0 | . | 7.4 | 5.0 | 1.1 | 1.1 | 1.4 | 1.4 | 3.1 | 0.8 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
2 | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
hêtraies | 64.3 | 3.6 | 23.1 | 3.8 | 18.0 | 5.1 | 0.0 | . | 4.2 | 1.8 | 19.8 | 3.8 | 25.4 | 1.6 | |
hêtraies à sapin | 20.3 | 3.1 | 22.9 | 3.8 | 34.9 | 6.2 | 1.0 | 1.0 | 5.7 | 2.1 | 3.8 | 1.8 | 13.7 | 1.3 | |
autres forêts de feuillus | 8.2 | 2.1 | 8.5 | 2.5 | 3.9 | 2.7 | 2.8 | 1.6 | 2.5 | 1.4 | 18.9 | 3.8 | 7.8 | 1.0 | |
pessières-sapinières | 4.9 | 1.7 | 27.4 | 4.0 | 24.8 | 5.8 | 8.0 | 2.6 | 15.6 | 3.3 | 12.5 | 3.1 | 14.1 | 1.3 | |
pessières | 0.6 | 0.6 | 12.3 | 3.0 | 12.8 | 4.5 | 57.3 | 4.8 | 45.5 | 4.5 | 31.8 | 4.5 | 25.5 | 1.6 | |
arolières et mélézins | 0.0 | . | 0.0 | . | 0.0 | . | 13.2 | 3.3 | 17.3 | 3.4 | 1.7 | 1.2 | 5.4 | 0.8 | |
pinèdes | 0.0 | . | 2.5 | 1.4 | 1.5 | 1.5 | 8.3 | 2.6 | 3.3 | 1.6 | 0.8 | 0.8 | 2.6 | 0.6 | |
forêts pionnières | 0.0 | . | 0.0 | . | 0.0 | . | 2.8 | 1.6 | 2.4 | 1.4 | 4.4 | 1.9 | 1.6 | 0.5 | |
forêts buissonnantes* | 0.0 | . | 0.7 | 0.7 | 1.7 | 1.7 | 2.8 | 1.6 | 0.8 | 0.8 | 2.6 | 1.5 | 1.3 | 0.4 | |
hors forêt* | 1.8 | 1.0 | 2.7 | 1.5 | 2.2 | 2.2 | 3.8 | 1.9 | 2.5 | 1.4 | 3.6 | 1.8 | 2.7 | 0.6 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
3 | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
hêtraies | 71.3 | 2.5 | 21.3 | 3.5 | 34.9 | 5.3 | 5.9 | 2.6 | 2.7 | 1.9 | 10.9 | 3.9 | 39.2 | 1.7 | |
hêtraies à sapin | 18.2 | 2.1 | 39.4 | 4.1 | 51.1 | 5.6 | 2.5 | 1.7 | 12.8 | 3.8 | 10.6 | 3.8 | 22.5 | 1.5 | |
autres forêts de feuillus | 8.0 | 1.5 | 9.4 | 2.5 | 7.1 | 2.8 | 8.8 | 3.2 | 1.3 | 1.3 | 41.7 | 6.0 | 10.5 | 1.1 | |
pessières-sapinières | 1.2 | 0.6 | 17.8 | 3.3 | 6.9 | 3.0 | 19.3 | 4.3 | 18.2 | 4.4 | 16.3 | 4.5 | 9.8 | 1.1 | |
pessières | 0.0 | . | 5.2 | 1.9 | 0.0 | . | 41.6 | 5.4 | 43.1 | 5.6 | 7.5 | 3.2 | 10.4 | 1.1 | |
arolières et mélézins | 0.0 | . | 0.0 | . | 0.0 | . | 7.3 | 2.9 | 12.9 | 3.8 | 0.0 | . | 2.1 | 0.5 | |
pinèdes | 0.0 | . | 0.7 | 0.7 | 0.0 | . | 8.5 | 3.1 | 3.8 | 2.1 | 0.0 | . | 1.4 | 0.4 | |
forêts pionnières | 0.0 | . | 0.7 | 0.7 | 0.0 | . | 3.6 | 2.1 | 5.2 | 2.5 | 10.4 | 3.7 | 2.0 | 0.5 | |
forêts buissonnantes* | 0.0 | . | 0.7 | 0.7 | 0.0 | . | 0.0 | . | 0.0 | . | 1.4 | 1.3 | 0.3 | 0.2 | |
hors forêt* | 1.3 | 0.6 | 4.7 | 1.7 | 0.0 | . | 2.5 | 1.7 | 0.0 | . | 1.4 | 1.3 | 1.8 | 0.5 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
4 | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
hêtraies | 69.8 | 2.7 | 46.5 | 5.9 | 36.7 | 5.8 | 23.7 | 7.9 | 29.3 | 11.0 | 10.5 | 4.4 | 52.4 | 2.1 | |
hêtraies à sapin | 19.9 | 2.3 | 24.2 | 5.0 | 41.3 | 5.9 | 6.6 | 4.6 | 17.8 | 9.3 | 10.0 | 4.2 | 21.6 | 1.8 | |
autres forêts de feuillus | 7.0 | 1.5 | 12.0 | 3.8 | 7.7 | 3.3 | 21.0 | 7.6 | 5.9 | 5.7 | 58.0 | 7.0 | 13.5 | 1.5 | |
pessières-sapinières | 0.7 | 0.5 | 7.3 | 3.1 | 2.5 | 1.8 | 21.1 | 7.7 | 5.9 | 5.7 | 7.7 | 3.7 | 3.9 | 0.9 | |
pessières | 0.0 | . | 4.4 | 2.5 | 4.3 | 2.4 | 0.0 | . | 23.6 | 10.3 | 0.0 | . | 2.0 | 0.6 | |
arolières et mélézins | 0.0 | . | 0.0 | . | 0.0 | . | 6.9 | 4.7 | 0.0 | . | 0.0 | . | 0.4 | 0.3 | |
pinèdes | 0.4 | 0.4 | 0.0 | . | 1.5 | 1.5 | 3.5 | 3.4 | 5.8 | 5.6 | 0.0 | . | 0.8 | 0.4 | |
forêts pionnières | 0.0 | . | 1.3 | 1.3 | 1.7 | 1.7 | 13.8 | 6.4 | 11.9 | 7.9 | 9.6 | 4.1 | 2.5 | 0.7 | |
forêts buissonnantes* | 0.4 | 0.4 | 0.0 | . | 1.4 | 1.4 | 3.4 | 3.3 | 0.0 | . | 0.0 | . | 0.6 | 0.3 | |
hors forêt* | 1.8 | 0.8 | 4.3 | 2.5 | 2.9 | 2.0 | 0.0 | . | 0.0 | . | 4.2 | 2.9 | 2.4 | 0.7 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
5 | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
hêtraies | 77.3 | 3.2 | 40.2 | 8.1 | 39.3 | 7.7 | 0.0 | . | 41.8 | 18.6 | 4.0 | 3.9 | 56.3 | 2.8 | |
hêtraies à sapin | 8.2 | 2.1 | 21.7 | 6.8 | 34.1 | 7.4 | 6.7 | 6.5 | 0.0 | . | 7.5 | 5.1 | 13.3 | 2.0 | |
autres forêts de feuillus | 11.7 | 2.4 | 16.0 | 6.0 | 19.1 | 6.1 | 23.4 | 11.8 | 28.3 | 17.0 | 63.9 | 9.1 | 18.9 | 2.3 | |
pessières-sapinières | 0.0 | . | 8.4 | 4.7 | 2.5 | 2.5 | 31.4 | 12.9 | 15.0 | 13.7 | 3.8 | 3.7 | 3.5 | 1.1 | |
pessières | 0.0 | . | 2.7 | 2.6 | 0.0 | . | 0.0 | . | 15.0 | 13.7 | 0.0 | . | 0.7 | 0.5 | |
arolières et mélézins | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
pinèdes | 0.6 | 0.6 | 2.5 | 2.5 | 0.0 | . | 15.3 | 10.0 | 0.0 | . | 0.0 | . | 1.3 | 0.7 | |
forêts pionnières | 0.0 | . | 0.0 | . | 2.5 | 2.5 | 7.6 | 7.3 | 0.0 | . | 17.0 | 6.9 | 2.2 | 0.8 | |
forêts buissonnantes* | 0.0 | . | 3.2 | 3.2 | 2.5 | 2.5 | 0.0 | . | 0.0 | . | 0.0 | . | 0.8 | 0.5 | |
hors forêt* | 2.3 | 1.1 | 5.2 | 3.6 | 0.0 | . | 15.7 | 10.2 | 0.0 | . | 3.8 | 3.7 | 3.0 | 1.0 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
6 ou plus | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
hêtraies | 82.7 | 3.3 | 50.4 | 8.8 | 48.1 | 11.2 | 11.2 | 10.6 | 38.9 | 21.8 | 24.4 | 12.2 | 66.2 | 3.3 | |
hêtraies à sapin | 5.0 | 2.0 | 23.9 | 7.4 | 15.3 | 8.2 | 0.0 | . | 0.0 | . | 7.6 | 7.4 | 9.0 | 2.0 | |
autres forêts de feuillus | 10.7 | 2.7 | 16.2 | 6.6 | 25.2 | 9.8 | 66.6 | 15.8 | 0.0 | . | 46.6 | 14.0 | 17.5 | 2.6 | |
pessières-sapinières | 0.0 | . | 3.1 | 3.0 | 5.9 | 5.7 | 0.0 | . | 41.2 | 22.2 | 0.0 | . | 2.1 | 1.0 | |
pessières | 0.0 | . | 2.9 | 2.9 | 0.0 | . | 11.0 | 10.4 | 0.0 | . | 6.9 | 6.7 | 1.4 | 0.8 | |
arolières et mélézins | 0.0 | . | 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 | . | 0.0 | . | |
forêts pionnières | 0.0 | . | 0.0 | . | 0.0 | . | 11.2 | 10.6 | 0.0 | . | 7.6 | 7.4 | 1.0 | 0.7 | |
forêts buissonnantes* | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
hors forêt* | 1.5 | 1.1 | 3.5 | 3.4 | 5.6 | 5.4 | 0.0 | . | 19.9 | 17.8 | 6.9 | 6.7 | 3.0 | 1.2 | |
total | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | 100.0 | . | |
total | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
hêtraies | 71.4 | 1.2 | 25.5 | 1.8 | 27.6 | 2.4 | 4.7 | 1.3 | 5.0 | 1.1 | 17.0 | 2.1 | 38.5 | 0.7 | |
hêtraies à sapin | 16.1 | 0.9 | 25.0 | 1.9 | 36.4 | 2.6 | 2.6 | 1.0 | 7.0 | 1.4 | 5.7 | 1.3 | 16.5 | 0.6 | |
autres forêts de feuillus | 8.5 | 0.8 | 8.8 | 1.2 | 9.2 | 1.6 | 9.7 | 1.8 | 2.6 | 0.9 | 32.7 | 2.4 | 10.8 | 0.5 | |
pessières-sapinières | 1.7 | 0.4 | 19.4 | 1.7 | 13.3 | 1.9 | 14.3 | 2.1 | 19.7 | 2.2 | 14.2 | 1.9 | 10.7 | 0.5 | |
pessières | 0.1 | 0.1 | 14.2 | 1.5 | 9.4 | 1.6 | 43.0 | 3.0 | 45.2 | 2.7 | 16.2 | 2.0 | 14.5 | 0.6 | |
arolières et mélézins | 0.0 | . | 0.0 | . | 0.0 | . | 8.9 | 1.7 | 11.0 | 1.7 | 1.7 | 0.7 | 2.2 | 0.3 | |
pinèdes | 0.3 | 0.1 | 1.6 | 0.6 | 0.9 | 0.5 | 7.3 | 1.6 | 4.2 | 1.1 | 0.3 | 0.3 | 1.6 | 0.2 | |
forêts pionnières | 0.0 | . | 0.6 | 0.3 | 0.7 | 0.5 | 4.4 | 1.2 | 3.3 | 1.0 | 8.3 | 1.5 | 1.9 | 0.2 | |
forêts buissonnantes* | 0.1 | 0.1 | 0.8 | 0.4 | 1.2 | 0.6 | 1.5 | 0.7 | 0.6 | 0.4 | 1.1 | 0.6 | 0.6 | 0.1 | |
hors forêt* | 1.9 | 0.4 | 4.1 | 0.9 | 1.3 | 0.7 | 3.7 | 1.2 | 1.5 | 0.7 | 2.9 | 0.9 | 2.5 | 0.3 | |
total | 100.0 | . | 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. 1292290. Birmensdorf, Swiss Federal Research Institute WSL