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NFI4
forest area
avalanches SilvaProtect · degree of cover of regeneration (7 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
avalanches SilvaProtectdegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a< 1%10.2143.6232.9261.6355.1204.12227.58
1-4%31.1813.81211.6137.81615.9117.21687.45
5-9%34.8713.8129.01511.01310.4148.71587.75
10-25%86.5435.3717.81011.21320.499.914181.03
26-50%75.6518.31010.7135.31910.2145.519125.64
51-75%65.559.7146.6172.7285.7181.53591.84
76-100%67.454.3223.6230.6581.8330.65878.35
total371.1198.8462.2540.2669.5437.57679.31
inside perimeter< 1%0.21001.0452.3291.1413.2251.4389.215
1-4%0.21003.2251.8337.2164.2224.32120.810
5-9%1.2414.3211.9314.9202.5282.32917.211
10-25%1.0456.5174.8208.2155.3193.02528.88
26-50%1.0452.8272.0322.3292.5282.23012.912
51-75%0.21001.4381.8330.0.1.4380.0.4.920
76-100%0.8501.3410.6580.21000.21000.21003.325
total4.72020.6915.21123.9819.4913.41197.24
outside perimeter< 1%0.4712.8273.9223.3246.8176.71723.89
1-4%2.6289.1157.51612.31216.31026.4874.35
5-9%6.91715.2116.81612.11210.41327.2878.65
10-25%15.71129.4815.61117.41016.31028.88123.24
26-50%12.91218.41013.9119.4148.91513.11276.65
51-75%8.7158.7155.8182.6283.8233.72333.38
76-100%5.0205.8193.3240.0.0.21001.43815.711
total52.2689.4456.9557.0462.74107.33425.52
total< 1%10.8137.4169.1146.11815.01112.11260.66
1-4%33.9726.1820.9927.3836.4737.96182.53
5-9%42.9633.3717.71028.0823.3938.26183.53
10-25%103.2471.3538.1636.7642.0641.76333.02
26-50%89.5439.4726.6817.01021.7920.89215.13
51-75%74.4519.81014.2115.31911.0135.319129.94
76-100%73.1511.4137.6160.8502.3302.23097.34
total427.91208.71134.32121.12151.62158.321201.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #862851/329182
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