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NFI4
forest area
avalanches SilvaProtect · stand stability
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstand stability %± %± %± %± %± %± %±
n/acritical2.40.45.71.26.11.59.82.76.21.54.92.23.90.4
less stable38.31.148.82.546.73.134.04.336.43.047.75.040.40.9
stable59.31.245.52.547.33.156.24.557.43.147.45.055.60.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetercritical0.0.5.12.24.42.510.02.710.23.26.53.17.11.2
less stable30.29.655.15.062.05.847.24.646.35.451.66.450.82.3
stable69.89.639.84.933.65.642.94.543.55.341.96.342.12.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetercritical1.50.86.11.27.81.78.71.76.11.47.11.26.30.6
less stable43.33.150.92.450.43.148.73.141.63.059.12.350.21.1
stable55.23.143.02.441.73.042.63.152.33.033.82.243.51.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalcritical2.30.35.80.86.61.09.31.36.71.06.71.05.10.3
less stable38.81.150.41.650.22.144.72.240.12.056.52.044.90.7
stable58.91.143.81.643.12.046.02.253.22.036.81.950.10.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862743/329074
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