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NFI4
forest area
avalanches SilvaProtect · degree of cover of assured regeneration
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
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 assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aless than 1%17.3105.4195.4191.4387.7163.92241.17
1-4%39.7715.51110.7137.81615.9116.71796.44
5-9%44.2616.2119.3149.5148.6157.31695.24
10-25%95.7431.0816.3119.81418.7109.114180.63
26-50%73.0513.7129.3144.1227.2163.623110.94
51-75%55.068.5154.7211.0454.5211.04474.65
76-100%41.472.5291.8330.6580.8500.47147.56
total366.3192.7457.4534.3763.5532.07646.31
inside perimeterless than 1%0.21001.4382.7261.4384.4211.83311.813
1-4%0.4713.3241.9317.5153.2254.12220.510
5-9%1.2414.3212.3295.5192.9262.92519.210
10-25%1.0457.4163.6237.6155.1193.32428.08
26-50%1.0451.8332.4291.6352.7271.24110.714
51-75%0.6581.1451.2410.21000.4710.0.3.524
76-100%0.21001.1450.4710.0.0.21000.21002.032
total4.72020.4914.61123.7819.01013.41195.84
outside perimeterless than 1%1.4383.2255.4184.52010.21310.51335.37
1-4%4.22211.8139.51412.71215.21127.2880.55
5-9%8.01514.7115.61811.31310.81325.0875.55
10-25%16.91132.7716.51017.21015.81127.18126.24
26-50%11.01315.01112.9128.7156.7179.91464.25
51-75%7.7167.4163.6231.4381.7353.32425.19
76-100%2.6283.5241.9320.0.0.0.1.4389.515
total51.8688.3455.5555.8460.35104.53416.32
totalless than 1%19.01010.01413.4117.21622.3916.21088.25
1-4%44.3630.6822.2928.0734.3738.16197.53
5-9%53.5635.3717.31026.3822.3935.27189.93
10-25%113.6471.1436.4734.6639.6639.66334.82
26-50%85.0430.5824.6814.41116.71014.611185.83
51-75%63.3516.9119.5142.7276.5174.321103.24
76-100%44.267.1174.1220.6581.0451.93159.06
total422.81201.41127.52113.82142.82150.021158.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #862537/328868
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