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région de forêt protectrice | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Plateau/Jura | Nord des Alpes ouest | Nord des Alpes est | Sud-ouest des Alpes | Sud-est des Alpes | Sud des Alpes | Suisse | |||||||||
dominance d'espèces ligneuses exotiques (néophytes; 3 classes; à partir de l'IFN3) | formations forestières NaiS (10 classes) | 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 | . |
hêtraies | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
hêtraies à sapin | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
autres forêts de feuillus | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
pessières-sapinières | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
pessières | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
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 | . | 0.0 | . | 0.0 | . | |
forêts buissonnantes* | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
hors forêt* | 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 | . | |
pas dominé par des espèces ligneuses exotiques | pas d'indication | 4.4 | 21 | 3.8 | 23 | 2.8 | 27 | 0.8 | 50 | 2.4 | 29 | 2.5 | 28 | 16.8 | 11 |
hêtraies | 297.9 | 1 | 48.9 | 6 | 33.3 | 7 | 6.2 | 17 | 5.5 | 18 | 23.2 | 8 | 415.0 | 1 | |
hêtraies à sapin | 70.7 | 4 | 50.4 | 6 | 42.5 | 6 | 3.6 | 23 | 8.5 | 15 | 7.1 | 16 | 182.6 | 3 | |
autres forêts de feuillus | 31.4 | 8 | 14.8 | 11 | 12.0 | 13 | 10.2 | 14 | 3.1 | 25 | 42.5 | 5 | 114.0 | 4 | |
pessières-sapinières | 6.1 | 18 | 38.8 | 7 | 18.1 | 10 | 13.4 | 12 | 24.9 | 9 | 20.8 | 9 | 122.0 | 4 | |
pessières | 0.6 | 58 | 26.4 | 8 | 12.8 | 12 | 47.8 | 6 | 66.9 | 5 | 21.6 | 9 | 176.0 | 3 | |
arolières et mélézins | 0.0 | . | 0.0 | . | 0.4 | 71 | 14.1 | 12 | 16.3 | 11 | 7.6 | 16 | 38.4 | 7 | |
pinèdes | 0.8 | 50 | 3.3 | 25 | 2.2 | 30 | 7.2 | 16 | 6.5 | 17 | 0.6 | 58 | 20.6 | 10 | |
forêts pionnières | 0.0 | . | 1.2 | 41 | 1.2 | 41 | 5.6 | 19 | 5.6 | 19 | 16.8 | 10 | 30.5 | 8 | |
forêts buissonnantes* | 0.4 | 70 | 3.2 | 25 | 1.8 | 33 | 1.6 | 35 | 1.6 | 35 | 3.3 | 24 | 12.0 | 13 | |
hors forêt* | 10.4 | 14 | 12.0 | 13 | 5.2 | 20 | 4.8 | 20 | 4.5 | 21 | 6.9 | 17 | 43.7 | 7 | |
total | 422.6 | 1 | 203.0 | 2 | 132.3 | 3 | 115.3 | 4 | 145.8 | 3 | 152.8 | 2 | 1171.7 | 1 | |
dominé par des espèces ligneuses exotiques non envahissantes | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
hêtraies | 3.5 | 23 | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 3.7 | 23 | |
hêtraies à sapin | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
autres forêts de feuillus | 1.0 | 45 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 1.0 | 45 | |
pessières-sapinières | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
pessières | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
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 | . | 0.0 | . | 0.0 | . | |
forêts buissonnantes* | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
hors forêt* | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
total | 4.5 | 21 | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 4.7 | 20 | |
dominé par des espèces ligneuses exotiques envahissantes | pas d'indication | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . |
hêtraies | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.4 | 71 | |
hêtraies à sapin | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
autres forêts de feuillus | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.4 | 71 | 0.4 | 71 | |
pessières-sapinières | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
pessières | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
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 | . | 0.0 | . | 0.0 | . | |
forêts buissonnantes* | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | 0.0 | . | |
hors forêt* | 0.2 | 100 | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.2 | 100 | 0.6 | 58 | |
total | 0.4 | 71 | 0.0 | . | 0.0 | . | 0.2 | 100 | 0.0 | . | 0.8 | 50 | 1.4 | 38 | |
total | pas d'indication | 4.4 | 21 | 3.8 | 23 | 2.8 | 27 | 0.8 | 50 | 2.4 | 29 | 2.5 | 28 | 16.8 | 11 |
hêtraies | 301.6 | 1 | 48.9 | 6 | 33.5 | 7 | 6.2 | 17 | 5.5 | 18 | 23.4 | 8 | 419.2 | 1 | |
hêtraies à sapin | 70.7 | 4 | 50.4 | 6 | 42.5 | 6 | 3.6 | 23 | 8.5 | 15 | 7.1 | 16 | 182.6 | 3 | |
autres forêts de feuillus | 32.3 | 7 | 14.8 | 11 | 12.0 | 13 | 10.2 | 14 | 3.1 | 25 | 42.9 | 5 | 115.4 | 4 | |
pessières-sapinières | 6.1 | 18 | 38.8 | 7 | 18.1 | 10 | 13.4 | 12 | 24.9 | 9 | 20.8 | 9 | 122.0 | 4 | |
pessières | 0.6 | 58 | 26.4 | 8 | 12.8 | 12 | 47.8 | 6 | 66.9 | 5 | 21.6 | 9 | 176.0 | 3 | |
arolières et mélézins | 0.0 | . | 0.0 | . | 0.4 | 71 | 14.1 | 12 | 16.3 | 11 | 7.6 | 16 | 38.4 | 7 | |
pinèdes | 0.8 | 50 | 3.3 | 25 | 2.2 | 30 | 7.2 | 16 | 6.5 | 17 | 0.6 | 58 | 20.6 | 10 | |
forêts pionnières | 0.0 | . | 1.2 | 41 | 1.2 | 41 | 5.6 | 19 | 5.6 | 19 | 16.8 | 10 | 30.5 | 8 | |
forêts buissonnantes* | 0.4 | 70 | 3.2 | 25 | 1.8 | 33 | 1.6 | 35 | 1.6 | 35 | 3.3 | 24 | 12.0 | 13 | |
hors forêt* | 10.6 | 14 | 12.0 | 13 | 5.2 | 20 | 5.0 | 20 | 4.5 | 21 | 7.1 | 16 | 44.3 | 7 | |
total | 427.4 | 1 | 203.0 | 2 | 132.5 | 3 | 115.5 | 4 | 145.8 | 3 | 153.7 | 2 | 1177.9 | 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. 1341495. Birmensdorf, Swiss Federal Research Institute WSL