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NFI1

forest area: avalanches SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years) %± %± %±
Western Juran/a..1.20.61.20.5
less than 10 years ago53.713.866.62.366.22.3
11-20 years ago7.77.417.11.916.81.8
21-30 years ago30.712.87.71.38.41.4
31-40 years ago..1.70.61.70.6
41-50 years ago..0.50.30.50.3
over 50 years ago8.07.65.21.15.31.1
total100.0.100.0.100.0.
Eastern Juran/a..0.80.80.80.8
less than 10 years ago..69.04.369.04.3
11-20 years ago..18.43.618.43.6
21-30 years ago..8.42.68.42.6
31-40 years ago..2.51.42.51.4
41-50 years ago......
over 50 years ago..0.80.80.80.8
total..100.0.100.0.
Western Plateaun/a..0.90.90.90.9
less than 10 years ago..56.44.656.44.6
11-20 years ago..21.83.921.83.9
21-30 years ago..8.62.68.62.6
31-40 years ago..3.51.73.51.7
41-50 years ago..0.90.90.90.9
over 50 years ago..7.92.57.92.5
total..100.0.100.0.
Central Plateaun/a......
less than 10 years ago..85.42.485.42.4
11-20 years ago..7.71.87.71.8
21-30 years ago..3.21.23.21.2
31-40 years ago..0.90.60.90.6
41-50 years ago......
over 50 years ago..2.91.22.91.2
total..100.0.100.0.
Eastern Plateaun/a......
less than 10 years ago..80.22.380.22.3
11-20 years ago..15.92.115.92.1
21-30 years ago..1.60.71.60.7
31-40 years ago......
41-50 years ago......
over 50 years ago..2.30.92.30.9
total..100.0.100.0.
Western Pre-Alpsn/a......
less than 10 years ago37.717.241.84.941.54.7
11-20 years ago37.717.230.14.530.64.4
21-30 years ago12.611.87.82.68.12.6
31-40 years ago..6.82.56.32.3
41-50 years ago..3.91.93.61.8
over 50 years ago12.011.29.72.99.92.8
total100.0.100.0.100.0.
Central Pre-Alpsn/a..0.40.40.40.4
less than 10 years ago42.111.365.73.064.03.0
11-20 years ago26.310.117.62.418.22.4
21-30 years ago10.57.14.11.34.51.3
31-40 years ago10.57.13.71.24.21.2
41-50 years ago..2.41.02.30.9
over 50 years ago10.57.16.11.56.41.5
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a......
less than 10 years ago12.511.762.23.660.13.5
11-20 years ago75.015.315.12.617.62.7
21-30 years ago12.511.710.32.210.42.2
31-40 years ago..6.51.86.21.7
41-50 years ago..1.60.91.60.9
over 50 years ago..4.31.54.11.4
total100.0.100.0.100.0.
Northwestern Alpsn/a3.43.40.80.81.30.9
less than 10 years ago41.49.243.64.543.14.0
11-20 years ago34.58.815.33.218.93.2
21-30 years ago10.35.711.32.811.12.5
31-40 years ago3.43.49.72.78.52.3
41-50 years ago..4.81.93.91.6
over 50 years ago6.94.714.53.213.12.7
total100.0.100.0.100.0.
Central Alpsn/a......
less than 10 years ago21.411.040.07.035.96.0
11-20 years ago35.712.912.14.617.34.8
21-30 years ago21.411.06.13.49.53.7
31-40 years ago..4.02.83.12.2
41-50 years ago..8.03.86.23.0
over 50 years ago21.411.029.96.528.05.6
total100.0.100.0.100.0.
Northeastern Alpsn/a......
less than 10 years ago23.510.357.26.350.05.6
11-20 years ago41.212.012.74.218.74.4
21-30 years ago5.95.77.93.47.53.0
31-40 years ago11.87.86.33.17.53.0
41-50 years ago..3.22.22.51.8
over 50 years ago17.69.312.74.213.73.9
total100.0.100.0.100.0.
Southwestern Alpsn/a..0.50.50.40.4
less than 10 years ago21.14.819.32.819.82.4
11-20 years ago17.04.515.92.616.12.2
21-30 years ago28.15.317.92.720.52.4
31-40 years ago9.93.513.42.412.42.0
41-50 years ago4.22.45.41.65.11.3
over 50 years ago19.74.727.73.225.62.6
total100.0.100.0.100.0.
Southeastern Alpsn/a......
less than 10 years ago36.47.343.82.942.82.7
11-20 years ago25.06.515.92.117.12.0
21-30 years ago4.53.112.21.911.21.7
31-40 years ago6.83.86.41.46.51.3
41-50 years ago9.14.33.11.03.81.0
over 50 years ago18.25.818.62.318.62.1
total100.0.100.0.100.0.
Southern Alpsn/a2.92.8..0.30.3
less than 10 years ago11.55.413.62.013.41.9
11-20 years ago14.35.911.61.811.91.8
21-30 years ago14.35.910.31.710.71.7
31-40 years ago5.73.917.92.216.62.0
41-50 years ago11.45.413.92.013.61.9
over 50 years ago40.08.332.72.733.52.6
total100.0.100.0.100.0.
Switzerlandn/a0.80.60.40.10.40.1
less than 10 years ago28.42.854.40.952.10.8
11-20 years ago25.32.715.90.716.70.7
21-30 years ago16.22.38.20.58.90.5
31-40 years ago6.61.55.90.46.00.4
41-50 years ago4.21.33.30.33.40.3
over 50 years ago18.62.411.90.612.50.6
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155206/141585
search result: 1 entry on 1 page

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