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IFN1
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
découpage régional: région de forêt protectrice
unité: 1000 ha
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 km
état 1983/85
région de forêt protectrice
Plateau/JuraNord des Alpes ouestNord des Alpes estSud-ouest des AlpesSud-est des AlpesSud des AlpesSuisse
stabilité du peuplementdéclivité (classes de 20%)1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%1000 ha±%
pas d'indicationpas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=20%8.0161.0451.3410.0.0.0.0.47110.714
21-40%5.6182.8273.3252.0321.2411.43816.311
41-60%2.6284.1222.5292.6282.8271.24115.811
61-80%0.4713.6231.8331.4381.0451.0459.115
81-100%0.21000.4710.6580.4710.6580.6582.827
>100%0.0.0.21000.21000.0.0.0.0.4710.850
total16.81112.1139.6146.4185.6194.92055.46
critiquepas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=20%13.4121.0450.8500.0.0.6580.210016.111
21-40%4.5213.1261.4380.4711.4380.47111.213
41-60%3.2252.9263.0263.2252.6281.04515.811
61-80%0.8504.3212.8272.2304.0221.04515.111
81-100%0.0.1.2411.0451.2411.0451.0455.319
>100%0.0.0.21000.21000.6580.4711.0452.429
total21.9912.8129.2157.6169.9144.62165.95
amoindriepas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=20%86.0410.5145.0202.0322.8272.031108.34
21-40%48.9625.4913.3123.2257.6165.718104.14
41-60%30.8827.2816.31112.11320.91014.511121.74
61-80%10.71323.8915.31113.41218.41018.610100.24
81-100%2.4298.1167.2176.1186.31812.81242.97
>100%0.21004.3212.9261.6352.8279.01420.810
total178.9399.2459.9538.4758.8562.74497.92
stablepas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=20%93.348.7154.9201.0454.4211.833114.14
21-40%66.0519.11013.8126.51712.7129.614127.74
41-60%30.7820.41012.61316.81119.01017.110116.64
61-80%10.51413.8128.91518.61011.71317.31080.75
81-100%2.0324.9203.6236.7173.6238.41529.28
>100%0.6581.4380.8502.4291.4383.2259.814
total203.1268.2544.6652.1652.7657.45478.12
totalpas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=20%200.6221.31012.0133.0267.8164.421249.12
21-40%125.0350.3631.9812.11323.0917.110259.32
41-60%67.3554.6634.3734.7745.3633.87269.92
61-80%22.3945.5628.7835.6735.1737.96205.13
81-100%4.62114.51212.41214.41211.51322.8980.25
>100%0.8506.1184.1224.6214.52113.61233.77
total420.61192.32123.34104.54127.13129.521097.31
© WSL, Inventaire forestier national suisse, 06.03.2024 #1253112/434862

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. 1253112. Birmensdorf, Swiss Federal Research Institute WSL

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