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IFN4
surface forestière
altitude (par classes de 400 m) · déclivité (classes de 20%)
découpage régional: région de forêt protectrice
unité: %, total de colonne
ensemble analysé: forêt accessible IFN4/IFN5
réseau: réseau 1,4 km, sous-réseaux 1 à 5
état 2009/17
région de forêt protectrice
Plateau/JuraNord des Alpes ouestNord des Alpes estSud-ouest des AlpesSud-est des AlpesSud des AlpesSuisse
altitude (par classes de 400 m)déclivité (classes de 20%)%±%±%±%±%±%±%±
pas d'indicationpas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=20%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
41-60%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
61-80%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
81-100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
>100%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.0.0.0.0.0.0.0.0.0.0.0.0.0.
>1800 mpas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=20%0.0.0.0.0.0.0.0.0.60.40.20.20.10.1
21-40%0.0.0.50.30.0.2.90.95.91.12.40.71.50.2
41-60%0.0.1.40.50.80.47.81.411.21.54.70.93.30.3
61-80%0.0.1.20.41.00.59.91.611.21.42.90.83.20.3
81-100%0.0.0.20.21.00.54.31.12.80.83.10.81.40.2
>100%0.0.0.0.0.20.21.10.61.70.61.40.50.60.1
total0.0.3.20.73.00.926.02.333.32.114.81.510.10.5
1401-1800 mpas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=20%0.70.21.20.50.50.30.60.42.30.70.40.30.90.2
21-40%0.40.25.61.03.30.94.51.16.91.23.30.83.30.3
41-60%0.30.19.01.25.31.114.91.913.81.67.31.26.60.4
61-80%0.10.18.21.16.41.212.21.712.41.58.51.36.20.4
81-100%0.0.2.20.62.50.84.01.03.40.85.41.02.30.2
>100%0.0.2.00.61.50.61.20.61.70.62.20.71.20.2
total1.50.328.21.819.51.937.32.640.52.227.22.020.60.6
1001-1400 m pas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=20%5.90.63.50.82.60.80.0.0.90.40.40.33.10.3
21-40%5.40.69.41.28.71.42.30.82.50.71.70.65.30.4
41-60%2.80.510.01.211.21.59.11.54.30.97.81.26.50.4
61-80%0.80.38.61.19.51.46.91.44.20.98.31.25.20.4
81-100%0.20.13.80.84.81.12.50.82.70.74.00.92.40.3
>100%0.0.1.30.41.70.62.00.71.00.53.30.81.20.2
total15.10.836.61.938.62.422.72.215.61.625.51.923.70.6
601-1000 m pas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=20%15.81.04.50.94.01.00.30.31.50.60.40.36.90.4
21-40%14.41.010.11.28.71.40.30.31.50.62.60.78.20.4
41-60%7.20.78.51.29.81.51.40.64.50.94.91.06.50.4
61-80%2.90.55.30.96.81.24.21.11.90.66.01.14.20.3
81-100%0.70.21.30.43.40.93.10.91.00.43.50.81.70.2
>100%0.20.10.70.31.20.50.60.40.0.2.20.70.70.1
total41.11.430.41.733.82.39.91.610.41.319.61.728.20.7
=600 mpas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=20%25.61.21.00.41.70.71.40.60.20.20.80.49.40.4
21-40%10.50.90.30.20.70.41.20.60.0.1.90.64.10.3
41-60%5.20.60.0.0.70.40.60.40.0.3.30.82.30.3
61-80%1.00.30.0.1.30.60.60.40.0.4.10.91.10.2
81-100%0.10.10.20.20.20.20.30.30.0.2.50.70.50.1
>100%0.0.0.0.0.50.30.0.0.0.0.40.30.10.1
total42.41.31.50.55.11.14.11.00.20.213.01.517.50.5
totalpas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
=20%48.01.410.21.38.71.42.30.85.41.02.30.720.40.6
21-40%30.81.326.01.821.52.011.11.716.71.712.01.522.40.7
41-60%15.51.028.91.927.72.233.82.533.92.228.02.125.20.7
61-80%4.70.623.31.725.12.133.82.529.72.129.72.120.00.6
81-100%0.90.37.61.112.01.614.11.99.81.418.51.88.30.5
>100%0.20.14.00.85.11.14.91.24.40.99.61.43.70.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 06.03.2024 #1316031/497781

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. 1316031. Birmensdorf, Swiss Federal Research Institute WSL

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