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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 NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes) %± %± %±
Western Jura0-20%..1.20.51.20.5
21-40%12.912.01.20.61.50.6
41-60%..7.61.37.41.3
61-80%12.411.726.42.226.22.2
over 80%74.615.563.52.463.72.4
total100.0.100.0.100.0.
Eastern Jura0-20%..2.51.52.51.4
21-40%..0.80.80.80.8
41-60%..4.21.94.21.8
61-80%100.0.13.63.214.33.2
over 80%..78.83.878.13.8
total100.0.100.0.100.0.
Western Plateau0-20%..2.61.52.61.5
21-40%..1.71.21.71.2
41-60%..9.62.89.62.8
61-80%..25.24.125.24.1
over 80%..60.84.660.84.6
total..100.0.100.0.
Central Plateau0-20%..1.40.81.40.8
21-40%..0.90.60.90.6
41-60%..5.91.65.91.6
61-80%..23.22.923.12.8
over 80%100.0.68.63.168.83.1
total100.0.100.0.100.0.
Eastern Plateau0-20%..0.60.50.60.5
21-40%..2.91.02.91.0
41-60%..3.91.13.91.1
61-80%..19.22.219.22.2
over 80%..73.42.573.42.5
total..100.0.100.0.
Western Pre-Alps0-20%..0.90.90.90.9
21-40%..7.22.57.22.5
41-60%..20.93.920.73.9
61-80%100.0.29.14.429.84.4
over 80%..41.84.741.44.7
total100.0.100.0.100.0.
Central Pre-Alps0-20%..1.20.71.10.7
21-40%..2.30.92.30.9
41-60%..13.82.113.62.1
61-80%75.021.738.83.039.43.0
over 80%25.021.743.83.143.63.1
total100.0.100.0.100.0.
Eastern Pre-Alps0-20%..1.00.71.00.7
21-40%..3.21.33.11.3
41-60%..10.02.29.82.1
61-80%33.327.325.33.225.43.1
over 80%66.727.360.53.660.63.5
total100.0.100.0.100.0.
Northwestern Alps0-20%..3.51.63.31.4
21-40%..5.72.05.21.8
41-60%8.38.017.73.217.03.0
61-80%16.710.832.64.031.43.8
over 80%75.012.540.54.143.24.0
total100.0.100.0.100.0.
Central Alps0-20%10.09.5..1.61.6
21-40%10.09.53.72.64.72.6
41-60%..24.35.920.55.1
61-80%20.012.724.05.823.35.3
over 80%60.015.548.16.849.96.3
total100.0.100.0.100.0.
Northeastern Alps0-20%..1.41.41.21.2
21-40%..9.93.68.83.2
41-60%11.110.512.74.012.53.7
61-80%..26.85.323.84.8
over 80%88.910.449.36.053.75.6
total100.0.100.0.100.0.
Southwestern Alps0-20%..0.80.60.70.5
21-40%8.65.86.01.56.31.5
41-60%29.19.327.32.827.52.7
61-80%41.610.135.73.036.22.9
over 80%20.88.330.12.929.32.8
total100.0.100.0.100.0.
Southeastern Alps0-20%..0.30.30.30.3
21-40%..9.01.68.81.5
41-60%16.715.233.02.632.72.6
61-80%33.319.338.22.738.12.6
over 80%50.020.419.52.220.02.2
total100.0.100.0.100.0.
Southern Alps0-20%3.43.40.60.50.90.5
21-40%..1.90.81.80.7
41-60%7.04.810.41.710.11.6
61-80%20.77.529.22.628.52.5
over 80%68.98.657.72.858.72.7
total100.0.100.0.100.0.
Switzerland0-20%1.81.31.20.21.20.2
21-40%3.71.83.70.33.70.3
41-60%11.03.014.10.613.90.6
61-80%26.94.328.60.828.60.8
over 80%56.64.752.50.952.60.9
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163525/149905
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