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NFI4
forest area
landslide/mudflow SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtectdegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0-20%5.3191.4380.21001.0451.6351.24110.714
21-40%7.2165.5196.8177.2179.9145.11941.77
41-60%22.7920.4911.31312.41219.4108.61594.84
61-80%66.3531.8716.71011.11324.088.615158.63
over 80%267.8239.7627.288.41514.61114.011371.62
total369.3198.8462.2540.2669.5437.57677.51
inside perimeter0-20%0.0.0.21000.21000.0.0.0.0.0.0.471
21-40%0.0.0.21000.8501.0451.2410.8504.022
41-60%0.4711.0451.2415.1192.8272.72713.212
61-80%3.6243.7232.8277.9156.2175.02029.28
over 80%19.91010.0149.6149.5137.11619.0975.05
total23.9915.11114.51123.5817.51027.58121.94
outside perimeter0-20%0.21002.3301.0440.6580.4711.0455.519
21-40%0.21005.3192.0313.7235.9183.12520.210
41-60%0.85011.2135.81811.51321.699.21460.15
61-80%4.72029.2813.61221.5924.1824.68117.74
over 80%28.8846.9635.2620.1912.61255.35199.03
total34.7794.9457.6557.5464.6493.33402.52
total0-20%5.5193.9221.4371.6352.0322.23016.611
21-40%7.41611.0139.61411.91317.0109.01465.95
41-60%23.9932.6718.31029.0843.9620.59168.13
61-80%74.6564.7533.0740.6654.4538.26305.52
over 80%316.5196.6372.0337.9634.4688.33645.71
total427.91208.71134.32121.12151.62158.321201.91
© WSL, Swiss National Forest Inventory, 17.06.2020 #874439/340771
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