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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes) %± %± %±
Western Jura0-20%..1.40.61.40.6
21-40%12.912.01.70.61.90.7
41-60%..8.01.37.91.3
61-80%12.411.726.42.126.12.1
over 80%74.615.562.52.362.72.3
total100.0.100.0.100.0.
Eastern Jura0-20%..2.51.42.51.4
21-40%..0.80.80.80.8
41-60%..4.11.84.11.8
61-80%100.0.13.23.114.03.2
over 80%..79.33.778.73.7
total100.0.100.0.100.0.
Western Plateau0-20%..2.51.52.51.5
21-40%..1.71.21.71.2
41-60%..10.92.910.92.9
61-80%..25.24.025.24.0
over 80%..59.74.559.74.5
total..100.0.100.0.
Central Plateau0-20%..1.40.81.30.8
21-40%..0.90.60.90.6
41-60%..5.91.65.81.6
61-80%..23.62.923.52.9
over 80%100.0.68.33.168.43.1
total100.0.100.0.100.0.
Eastern Plateau0-20%..0.60.40.60.4
21-40%..2.80.92.80.9
41-60%..4.11.14.11.1
61-80%..19.22.219.22.2
over 80%..73.22.573.22.5
total..100.0.100.0.
Western Pre-Alps0-20%..0.80.80.80.8
21-40%..8.12.58.12.5
41-60%..21.33.721.23.7
61-80%100.0.28.74.129.34.1
over 80%..41.04.540.74.4
total100.0.100.0.100.0.
Central Pre-Alps0-20%..1.40.71.40.7
21-40%..2.91.02.91.0
41-60%..14.82.114.62.1
61-80%75.021.738.62.939.12.9
over 80%25.021.742.23.042.02.9
total100.0.100.0.100.0.
Eastern Pre-Alps0-20%..1.00.70.90.7
21-40%..3.41.33.31.2
41-60%..12.02.311.82.2
61-80%33.327.325.53.025.63.0
over 80%66.727.358.23.458.33.4
total100.0.100.0.100.0.
Northwestern Alps0-20%..3.11.42.81.3
21-40%..7.42.16.81.9
41-60%7.77.417.83.017.12.8
61-80%23.111.733.73.732.93.5
over 80%69.212.838.03.840.33.7
total100.0.100.0.100.0.
Central Alps0-20%8.38.0..1.21.2
21-40%8.38.010.13.69.83.3
41-60%..25.05.121.44.5
61-80%25.012.625.05.125.04.7
over 80%58.314.340.05.842.65.4
total100.0.100.0.100.0.
Northeastern Alps0-20%..1.21.21.01.0
21-40%..11.63.510.43.1
41-60%10.09.519.84.318.84.0
61-80%..25.64.722.94.3
over 80%90.09.441.85.346.85.1
total100.0.100.0.100.0.
Southwestern Alps0-20%..1.30.61.20.6
21-40%8.65.89.11.69.11.6
41-60%29.19.329.22.629.22.5
61-80%41.610.133.02.733.62.6
over 80%20.88.327.42.527.02.4
total100.0.100.0.100.0.
Southeastern Alps0-20%..1.90.71.90.6
21-40%..11.61.611.31.5
41-60%45.615.033.42.333.72.3
61-80%27.213.435.22.435.02.3
over 80%27.213.417.91.918.11.9
total100.0.100.0.100.0.
Southern Alps0-20%3.03.01.50.61.60.6
21-40%3.03.05.51.15.31.1
41-60%12.25.715.71.815.41.7
61-80%18.26.728.82.328.02.2
over 80%63.68.448.62.549.72.4
total100.0.100.0.100.0.
Switzerland0-20%1.61.11.50.21.50.2
21-40%4.21.85.30.45.30.4
41-60%14.83.216.10.616.00.6
61-80%26.44.028.30.828.30.8
over 80%53.04.548.80.849.00.8
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162129/148508
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