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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 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%12.912.01.70.61.90.7
41-60%..7.91.37.71.3
61-80%12.411.726.22.126.02.1
over 80%74.615.563.02.463.22.3
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%..2.61.52.61.5
21-40%..1.71.21.71.2
41-60%..10.22.810.22.8
61-80%..25.44.025.44.0
over 80%..60.14.560.14.5
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%..2.90.92.90.9
41-60%..3.81.13.81.1
61-80%..19.22.219.22.2
over 80%..73.52.573.52.5
total..100.0.100.0.
Western Pre-Alps0-20%..0.80.80.80.8
21-40%..8.32.58.22.5
41-60%..21.73.821.53.7
61-80%100.0.28.44.129.04.1
over 80%..40.94.540.54.5
total100.0.100.0.100.0.
Central Pre-Alps0-20%..1.10.61.10.6
21-40%..2.20.92.20.9
41-60%..14.22.114.02.1
61-80%75.021.739.23.039.73.0
over 80%25.021.743.33.043.03.0
total100.0.100.0.100.0.
Eastern Pre-Alps0-20%..1.00.71.00.7
21-40%..3.41.33.41.3
41-60%..11.82.311.62.2
61-80%33.327.325.13.125.23.0
over 80%66.727.358.63.558.73.4
total100.0.100.0.100.0.
Northwestern Alps0-20%..3.11.42.91.3
21-40%..6.92.06.41.9
41-60%7.77.416.32.915.72.8
61-80%23.111.734.63.833.73.6
over 80%69.212.839.03.941.33.8
total100.0.100.0.100.0.
Central Alps0-20%9.18.7..1.31.3
21-40%9.18.77.73.37.93.1
41-60%..25.45.321.94.7
61-80%27.313.525.35.325.65.0
over 80%54.515.141.66.043.45.6
total100.0.100.0.100.0.
Northeastern Alps0-20%..1.21.21.11.1
21-40%..10.03.49.03.0
41-60%11.110.517.54.316.94.0
61-80%..27.55.024.74.6
over 80%88.910.443.75.648.35.3
total100.0.100.0.100.0.
Southwestern Alps0-20%..1.00.60.90.5
21-40%8.65.87.81.67.91.5
41-60%29.19.328.92.628.92.5
61-80%41.610.133.72.834.32.7
over 80%20.88.328.52.628.02.5
total100.0.100.0.100.0.
Southeastern Alps0-20%..1.30.61.20.5
21-40%..10.71.610.51.5
41-60%44.416.634.22.434.42.4
61-80%22.213.935.52.435.22.4
over 80%33.315.718.32.018.71.9
total100.0.100.0.100.0.
Southern Alps0-20%3.13.11.10.51.20.5
21-40%3.13.15.31.15.11.1
41-60%9.55.215.01.814.61.7
61-80%18.76.928.42.327.62.2
over 80%65.58.450.32.651.52.5
total100.0.100.0.100.0.
Switzerland0-20%1.71.21.30.21.30.2
21-40%4.31.94.80.44.80.4
41-60%13.73.215.60.615.60.6
61-80%26.74.128.40.828.30.8
over 80%53.54.649.90.850.00.8
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164879/151261
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