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NFI4
forest area
avalanches SilvaProtect · degree of cover of assured regeneration
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectdegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aless than 1%5.02011.5136.3179.7142.92635.47
1-4%16.91120.3916.11127.384.42185.05
5-9%20.8921.4916.51119.8104.22282.75
10-25%42.8651.0630.4834.875.818164.83
26-50%30.0842.1614.81110.4142.23099.64
51-75%21.7931.979.6145.2190.65769.05
76-100%17.11023.593.1262.0320.0.45.76
total154.42201.6196.84109.3420.19582.21
inside perimeterless than 1%0.21000.0.1.0458.6151.63511.413
1-4%0.4710.0.2.32913.4123.92220.010
5-9%1.2410.0.2.72710.8132.52717.311
10-25%1.0450.0.4.02218.9102.92626.88
26-50%1.0450.0.1.8336.0181.0459.814
51-75%0.6580.0.0.4712.4290.0.3.424
76-100%0.21000.0.0.4711.0450.0.1.635
total4.7200.0.12.51261.1511.91290.34
outside perimeterless than 1%0.8500.6586.11715.91110.11433.67
1-4%2.9261.24112.21333.6723.3873.35
5-9%6.4171.63512.51227.1822.5970.15
10-25%9.6146.91734.2743.5624.28118.44
26-50%5.1195.91817.91021.297.21657.36
51-75%4.3213.4247.4165.7192.62823.49
76-100%2.2300.4713.7231.6351.2419.115
total31.4719.91094.04148.7391.13385.12
totalless than 1%6.01812.11213.31234.3714.71180.45
1-4%20.31021.5930.6874.3531.67178.33
5-9%28.5822.9931.7757.8529.27170.13
10-25%53.4557.9568.5597.2432.97310.02
26-50%36.1747.9634.6737.7710.413166.63
51-75%26.7835.3717.41113.3123.12595.84
76-100%19.51023.997.2174.6211.24156.36
total190.51221.51203.31319.11123.121057.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #862548/328879
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