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NFI4
forest area
protection forest perimeter 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
protection forest perimeter SilvaProtectdegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimeterless than 1%17.3105.4195.4191.4387.7163.92241.17
1-4%39.5715.51110.7137.81615.9116.71796.24
5-9%43.8616.2119.3149.5148.6157.31694.84
10-25%95.3431.0816.3119.81418.7109.114180.23
26-50%72.8513.7129.3144.1227.2163.623110.74
51-75%54.668.5154.7211.0454.5211.04474.25
76-100%41.272.5291.8330.6580.8500.47147.36
total364.5192.7457.4534.3763.5532.07644.51
inside perimeterless than 1%1.6354.6218.1155.81814.61112.31247.16
1-4%4.82015.11111.51320.2918.31031.37101.24
5-9%9.61419.1107.91516.81013.71227.9895.14
10-25%18.31040.1620.1924.7820.9930.47154.63
26-50%12.21316.81115.31110.3139.41411.11375.15
51-75%8.7158.4154.8201.6352.1313.32429.08
76-100%3.0264.6212.4290.0.0.21001.63511.713
total58.25108.7370.1479.5379.34117.92513.91
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, 19.06.2020 #848646/314977
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