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NFI2

forest area: avalanches SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI2
state 1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-20%..0.5580.21000.3710.2100..1.238
21-40%0.21000.5581.5332.4272.1291.8328.514
41-60%0.21004.3202.8255.1184.7194.42021.59
61-80%1.8328.3154.5199.4137.7154.61936.27
over 80%2.3286.5166.0175.9172.4272.12925.38
total4.52020.2915.01023.1817.11012.91192.74
outside perimeter0-20%2.7263.1242.8252.7252.4271.63315.211
21-40%9.11411.4126.61610.31220.799.41367.45
41-60%27.8836.3718.8920.6836.9622.28162.63
61-80%106.7465.6535.0627.2738.5638.36311.22
over 80%279.3263.1548.9519.4919.2951.55481.31
total425.61179.52112.0280.23117.72122.921037.81
total0-20%2.7263.6222.9243.1232.6261.63316.510
21-40%9.31411.9128.11412.71122.8811.11275.95
41-60%28.0840.6621.6825.6741.6626.68184.13
61-80%108.5473.9439.4636.6646.1542.86347.52
over 80%281.6269.6454.9425.3721.6853.65506.61
total430.01199.71127.02103.32134.82135.821130.51

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #157430/143809
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