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NFI3
forest area
rockfall SilvaProtect · main type of harvest
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGskidder33.740.0.1.24134.94
forwarder10.8120.0.0.47111.212
mobile tower yarder0.0.0.0.0.0.0.0.
cable crane0.4700.0.0.21000.657
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total44.920.0.1.83346.72
AIskidder1.7300.0.1.8283.516
forwarder0.0.0.0.0.21000.2100
mobile tower yarder0.21000.0.0.0.0.2100
cable crane0.0.0.0.0.4720.472
helicopter0.4710.0.0.4680.848
others0.0.0.0.0.0.0.0.
total2.3250.0.2.8205.19
ARskidder3.4210.0.2.4245.813
forwarder1.1420.0.0.21001.238
mobile tower yarder0.0.0.0.0.21000.2100
cable crane0.3710.0.0.21000.557
helicopter0.5670.0.0.0.0.567
others0.0.0.0.0.0.0.0.
total5.3130.0.2.8208.16
BEskidder54.251.63538.3694.23
forwarder14.3110.0.3.92218.210
mobile tower yarder5.9180.65811.81318.210
cable crane3.6231.43810.41315.411
helicopter5.4190.4717.41613.212
others0.21000.4711.4382.032
total83.544.42173.24161.11
BL/BSskidder11.6100.31001.73413.68
forwarder3.4230.0.0.8504.220
mobile tower yarder0.5720.21000.6581.341
cable crane0.21000.0.0.21000.570
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total15.760.5723.42319.64
FRskidder16.890.0.6.41623.17
forwarder4.7210.0.1.4386.118
mobile tower yarder1.9310.0.3.7215.617
cable crane1.3380.0.1.7333.024
helicopter1.1440.0.0.6591.735
others0.21000.0.0.0.0.2100
total25.950.0.13.81039.73
GEskidder0.8660.0.0.0.0.866
forwarder2.3250.0.0.0.2.325
mobile tower yarder0.0.0.0.0.0.0.0.
cable crane0.0.0.0.0.0.0.0.
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total3.1130.0.0.0.3.113
GLskidder1.6350.21001.0442.826
forwarder0.0.0.0.0.21000.2100
mobile tower yarder0.6571.0440.7492.327
cable crane0.9450.4712.2293.622
helicopter1.8320.5572.3284.618
others0.0.0.21000.21000.471
total4.9182.3276.61413.87
GRskidder17.9100.47114.51132.87
forwarder3.4240.0.1.5354.920
mobile tower yarder7.2160.65817.21025.08
cable crane15.1112.13034.7752.05
helicopter10.3141.93215.71127.98
others0.4710.21001.3382.031
total54.255.31985.03144.52
JUskidder19.471.0449.11329.54
forwarder1.6350.21000.6582.328
mobile tower yarder0.0.0.0.0.4700.470
cable crane0.0.0.0.0.21000.2100
helicopter0.21000.0.0.0.0.2100
others0.21000.0.0.0.0.2100
total21.361.24010.31232.83
LUskidder25.660.0.4.72030.35
forwarder1.5350.0.0.21001.733
mobile tower yarder2.5280.0.1.5354.022
cable crane2.0310.0.0.8502.926
helicopter0.21000.0.0.21000.569
others0.0.0.0.0.0.0.0.
total31.940.0.7.41539.43
NEskidder21.160.21003.12324.54
forwarder1.4340.0.0.21001.532
mobile tower yarder0.4710.0.0.0.0.471
cable crane0.21000.0.0.0.0.2100
helicopter0.21000.0.0.0.0.2100
others0.21000.0.0.3710.557
total23.450.21003.62127.33
NWskidder0.7570.0.1.0411.731
forwarder0.0.0.0.0.0.0.0.
mobile tower yarder0.8560.0.0.7561.537
cable crane0.8560.21001.3402.329
helicopter1.1480.0.0.5711.637
others0.21000.0.0.0.0.2100
total3.5210.21003.5217.29
OWskidder2.4260.21001.6354.219
forwarder0.0.0.0.0.21000.2100
mobile tower yarder2.6270.0.2.2294.818
cable crane1.4380.0.1.7333.124
helicopter2.7250.11003.0245.816
others0.0.0.0.0.0.0.0.
total9.1120.3728.71118.14
SGskidder15.4100.65814.61030.66
forwarder0.8500.0.1.9332.728
mobile tower yarder0.4700.21002.0312.527
cable crane1.4380.4727.0168.914
helicopter2.1320.0.1.4413.524
others0.0.0.21000.4700.658
total20.191.53827.2748.84
SHskidder4.3180.0.0.4694.716
forwarder7.6110.0.0.0.7.611
mobile tower yarder0.0.0.0.0.0.0.0.
cable crane0.0.0.0.0.0.0.0.
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total11.940.0.0.46912.33
SOskidder14.790.5701.14116.38
forwarder13.0100.0.0.95013.89
mobile tower yarder0.6590.0.0.21000.751
cable crane0.0.0.4720.0.0.472
helicopter0.0.0.0.0.0.0.0.
others0.21000.0.0.0.0.2100
total28.530.9502.13031.62
SZskidder5.6170.0.2.5288.114
forwarder0.21000.0.0.21000.471
mobile tower yarder2.3280.21002.8265.318
cable crane3.3230.4694.3198.113
helicopter2.0310.0.1.3383.424
others0.0.0.0.0.21000.2100
total13.5100.75611.41125.54
TGskidder12.680.0.1.83014.47
forwarder4.6180.0.0.6585.216
mobile tower yarder0.0.0.0.0.0.0.0.
cable crane0.0.0.0.0.0.0.0.
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total17.250.0.2.42619.63
TIskidder4.3221.4389.01414.611
forwarder2.0310.21002.3304.521
mobile tower yarder0.6580.4713.9234.920
cable crane1.5351.04417.11019.79
helicopter7.7164.22243.8555.75
others0.21000.0.0.21000.471
total16.3107.31676.3399.92
URskidder1.2400.0.1.4372.626
forwarder0.0.0.0.0.0.0.0.
mobile tower yarder0.0.0.4710.8501.240
cable crane0.21000.4692.3262.823
helicopter3.2221.4371.2405.816
others0.21000.21000.0.0.471
total4.8182.4275.71512.96
VDskidder52.640.0.9.61462.24
forwarder11.4120.0.1.14112.512
mobile tower yarder1.2410.4714.3216.018
cable crane0.6580.0.2.9253.423
helicopter1.6350.21001.7353.524
others0.0.0.0.0.0.0.0.
total67.530.65819.6987.72
VSskidder7.5162.13014.91124.68
forwarder1.6350.0.0.6582.230
mobile tower yarder3.0261.93117.91022.88
cable crane2.0310.21009.11411.212
helicopter10.2132.62824.4837.26
others0.21000.0.0.8501.045
total24.586.81667.7499.02
ZGskidder2.3240.0.1.3363.516
forwarder0.4710.0.0.0.0.471
mobile tower yarder0.21000.0.1.0361.235
cable crane0.0.0.0.0.21000.2100
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total2.9190.0.2.5205.48
ZHskidder30.050.0.0.65830.65
forwarder13.9100.0.0.210014.110
mobile tower yarder2.1310.0.0.4722.528
cable crane0.6580.0.0.4701.045
helicopter0.0.0.0.0.0.0.0.
others0.6570.0.0.0.0.657
total47.120.0.1.63548.82
Switzerlandskidder361.328.515144.03513.81
forwarder100.040.47117.511117.94
mobile tower yarder32.885.91872.35111.04
cable crane36.077.11797.34140.33
helicopter50.6611.413104.04166.03
others2.7271.3414.9208.815
total583.4134.57439.921057.81
© WSL, Swiss National Forest Inventory, 17.06.2020 #874390/340722
NFI4
forest area
rockfall SilvaProtect
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
canton1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG45.720.0.1.83347.52
AI2.5240.0.2.8205.310
AR5.3130.0.2.8208.16
BE93.444.62175.04172.91
BL/BS16.360.5723.62220.43
FR27.050.0.14.6941.63
GE3.750.0.0.0.3.75
GL9.3122.3276.91418.55
GR91.146.71797.63195.42
JU21.961.24010.31233.43
LU33.140.0.7.61540.82
NE24.150.21003.62128.03
NW4.3180.21003.8208.27
OW10.3110.3728.81119.44
SG24.481.53829.6655.53
SH11.940.0.0.46912.33
SO29.030.9502.13032.12
SZ15.390.75612.61028.54
TG17.740.0.2.42620.12
TI34.178.21593.93136.22
UR9.3133.2247.01319.56
VD75.830.65820.2996.62
VS40.467.21672.93120.62
ZG3.3170.0.2.5205.76
ZH47.820.0.1.63549.42
Switzerland697.0138.37484.611219.81
© WSL, Swiss National Forest Inventory, 17.06.2020 #874391/340723
NFI4
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectregeneration cover %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a< 1%1.10.42.31.01.80.93.10.93.20.73.21.21.20.51.60.70.80.60.0.2.91.50.60.33.40.71.90.52.00.2
1-9%17.21.412.12.220.02.613.81.811.01.39.12.114.51.614.61.911.02.017.43.714.13.111.41.417.01.57.01.013.40.5
10-25%20.21.515.02.526.53.018.82.021.11.812.62.519.11.815.32.013.02.116.83.64.91.98.11.212.51.34.50.814.90.5
26-50%15.11.321.72.818.72.618.92.118.61.76.71.88.61.37.71.55.61.47.52.53.11.63.10.85.10.92.30.610.10.4
51-75%13.21.215.22.513.02.216.72.019.01.76.21.84.40.96.21.42.00.92.71.51.41.01.30.52.70.70.60.37.70.4
76-100%11.41.224.52.89.41.915.11.922.01.81.00.72.60.73.11.02.00.90.90.92.01.10.40.31.00.40.0.7.00.3
total78.31.590.91.989.42.186.31.894.81.038.73.550.42.348.62.734.53.045.24.728.43.924.81.941.72.016.31.555.10.6
inside perimeter< 1%0.10.10.0.0.0.0.0.0.0.0.0.0.20.21.10.51.50.81.91.34.81.91.10.52.40.61.00.40.80.1
1-9%1.00.40.0.0.0.0.0.0.0.3.91.32.30.70.80.56.61.58.32.74.92.011.41.44.70.94.90.93.30.2
10-25%0.70.30.0.0.0.0.0.0.0.5.11.61.80.60.30.35.31.46.42.49.12.58.21.23.90.82.20.62.60.2
26-50%0.70.30.0.0.0.0.0.0.0.1.60.90.70.41.00.62.91.14.52.00.70.72.10.61.90.61.60.51.10.1
51-75%0.10.10.0.0.0.0.0.0.0.0.0.0.40.30.50.42.00.91.81.32.81.40.0.0.90.40.0.0.40.1
76-100%0.50.30.0.0.0.0.0.0.0.0.0.0.40.30.30.31.20.70.0.1.71.20.20.20.20.20.0.0.30.1
total3.20.70.0.0.0.0.0.0.0.10.62.25.91.14.01.019.52.522.94.124.03.723.11.814.01.49.71.28.50.4
outside perimeter< 1%0.10.10.50.50.0.0.0.0.0.3.91.40.80.43.30.90.70.51.91.32.61.33.10.85.10.95.10.92.10.2
1-9%4.00.71.80.90.90.62.80.90.40.311.52.310.21.411.71.717.22.47.12.415.13.122.21.819.11.637.51.913.00.4
10-25%6.20.93.31.23.61.33.41.00.60.315.82.615.91.713.11.813.22.29.42.911.02.816.11.612.31.320.21.610.70.4
26-50%3.30.61.30.83.91.35.21.21.60.59.12.010.41.411.01.78.01.710.63.010.92.68.21.25.40.98.01.16.40.3
51-75%2.90.60.0.1.80.91.70.72.20.66.51.83.50.95.41.34.41.32.01.44.41.82.40.72.30.62.30.62.80.2
76-100%2.00.52.21.00.40.40.60.40.40.33.81.53.00.82.90.92.51.00.90.93.51.50.0.0.20.21.00.41.40.2
total18.51.49.11.910.62.113.71.85.21.050.63.643.82.347.42.746.03.231.94.447.64.252.12.244.32.074.01.836.30.6
total< 1%1.40.42.81.11.80.93.10.93.20.77.11.82.20.76.01.23.01.13.81.910.22.64.91.010.91.38.01.14.90.3
1-9%22.21.513.92.420.82.716.62.011.31.324.63.127.02.127.12.434.83.032.84.434.14.145.02.240.82.049.42.029.70.6
10-25%27.11.618.32.730.13.122.12.221.71.833.53.436.82.228.72.531.62.932.64.525.13.832.42.128.71.826.91.828.10.6
26-50%19.11.423.12.922.62.824.12.320.21.717.42.719.71.919.72.216.52.322.64.014.73.013.41.512.41.311.91.317.60.5
51-75%16.21.415.22.514.92.418.42.121.31.812.72.58.31.312.21.88.41.76.52.48.62.43.70.85.90.92.90.711.00.4
76-100%13.91.326.82.99.81.915.61.922.41.84.81.66.01.16.31.35.71.51.81.37.22.20.60.31.30.51.00.48.70.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #874392/340724
NFI4
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track62.63.151.014.061.09.749.62.462.95.662.64.289.510.57.34.925.72.348.14.733.93.656.14.60.0.7.63.743.54.786.64.462.04.110.83.682.34.12.21.317.56.262.22.519.83.155.512.477.92.748.00.8
road and skidding road25.72.816.210.118.57.918.41.829.55.310.52.70.0.0.0.7.51.443.74.718.53.036.54.410.57.36.93.523.64.110.24.021.03.411.93.813.33.725.03.87.84.318.42.08.22.137.412.311.02.117.70.7
road and cable line0.40.48.38.120.58.416.91.83.12.211.32.60.0.60.38.936.62.60.90.911.22.51.51.141.712.546.17.013.63.31.61.66.92.223.64.91.21.213.02.919.56.85.01.120.93.17.17.08.91.913.70.6
road and flight path0.0.24.612.40.0.0.90.50.0.1.61.10.0.19.27.126.22.40.0.0.0.0.0.18.810.113.04.719.23.80.0.0.0.4.12.30.0.36.74.227.17.64.61.135.23.70.0.0.0.8.50.5
no access intended11.32.10.0.0.0.14.21.74.52.514.13.110.510.513.36.34.01.17.22.536.43.75.82.229.011.026.46.30.0.1.61.610.12.649.65.73.21.923.13.728.17.79.71.516.02.80.0.2.21.012.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track..0.0.0.0.4.62.6..0.0...5.65.514.73.318.717.50.0.17.616.323.620.60.0.15.38.3..0.0.0.0...0.0.0.0.6.84.77.62.40.0...8.01.2
road and skidding road..36.729.30.0.7.93.4..0.0...0.0.0.80.858.622.70.0.82.416.30.0.0.0.9.86.7..0.0.0.0...4.12.80.0.8.25.61.61.10.0...4.71.0
road and cable line..36.729.3100.0.59.66.1..51.020.5..52.811.153.54.60.0.30.926.30.0.38.822.860.716.644.411.2..0.0.74.115.6..22.96.162.811.156.79.848.64.5100.0...49.12.3
road and flight path..26.623.60.0.17.34.7..16.315.1..27.09.529.34.20.0.38.128.80.0.22.319.339.316.624.99.8..0.0.13.612.5..67.16.830.810.528.39.034.64.30.0...31.42.1
no access intended..0.0.0.0.10.63.8..32.719.2..14.67.91.71.222.719.430.926.30.0.15.214.60.0.5.65.5..100.0.12.311.5..6.03.46.46.10.0.7.62.40.0...6.81.1
total..100.0.100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.100.0...100.0.
outside perimeterroad and skidding track..67.514.172.010.821.12.342.711.624.05.1..17.37.515.21.818.55.319.36.518.49.715.310.47.34.233.63.9100.0.31.412.26.83.452.113.81.40.615.17.017.14.212.51.929.512.938.717.515.80.8
road and skidding road..16.311.111.27.623.62.327.010.516.54.5..0.0.5.71.272.36.112.25.869.711.619.211.510.75.015.53.00.0.40.513.613.44.533.013.49.31.43.73.612.43.65.51.420.311.527.416.313.90.7
road and cable line..16.311.116.89.037.92.719.89.146.86.1..49.89.657.12.53.72.628.57.70.0.49.814.058.68.036.04.20.0.8.58.259.96.514.810.021.92.052.59.645.25.636.12.850.114.233.916.437.81.0
road and flight path..0.0.0.0.2.00.80.0.0.0...15.77.219.32.00.0.6.14.20.0.9.69.111.95.614.13.10.0.0.0.1.81.80.0.56.52.415.07.010.33.437.22.90.0.0.0.22.90.9
no access intended..0.0.0.0.15.32.010.57.212.74.2..17.27.12.80.85.53.133.98.012.08.16.26.211.54.80.80.80.0.19.610.518.05.10.0.11.01.513.86.415.14.08.81.70.0.0.0.9.70.6
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track62.63.152.49.763.57.734.91.658.85.148.63.489.510.510.33.419.41.338.03.730.93.150.94.38.55.06.82.536.32.887.04.358.94.08.62.478.74.01.40.512.63.751.92.313.71.443.49.276.62.733.20.6
road and skidding road25.72.818.47.615.75.819.61.429.04.712.12.30.0.0.0.5.80.853.13.817.12.741.64.112.05.77.82.718.42.49.93.922.63.411.92.715.63.612.21.34.62.316.91.75.51.029.57.611.52.115.30.5
road and cable line0.40.414.67.020.76.628.51.56.52.623.72.80.0.54.75.748.31.71.81.014.52.51.30.944.18.752.34.927.32.81.51.57.02.141.34.22.81.720.11.640.75.314.41.634.11.927.17.89.71.925.20.5
road and flight path0.0.14.67.00.0.2.60.60.0.1.50.90.0.20.04.623.51.40.0.1.60.90.0.16.16.714.93.717.12.30.0.0.0.3.71.60.0.53.12.023.94.86.81.136.02.00.0.0.0.15.50.4
no access intended11.32.10.0.0.0.14.31.25.72.514.12.510.510.515.04.13.10.67.12.035.93.46.22.019.36.718.23.80.90.61.51.511.52.634.64.02.81.713.11.418.24.310.11.410.71.30.0.2.10.910.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #874393/340725
NFI4
forest area
avalanches SilvaProtect · degree of cover of assured regeneration
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectdegree of cover of assured regeneration %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aless than 1%2.40.64.91.54.61.46.91.34.30.83.31.21.90.65.11.13.41.10.70.76.11.81.80.55.10.83.20.63.70.2
1-4%10.01.19.32.012.72.28.61.58.51.26.81.78.41.28.61.56.51.410.82.76.62.07.31.111.71.25.30.88.60.4
5-9%12.21.26.21.614.82.37.01.39.71.25.41.610.11.38.31.47.21.57.32.25.31.88.51.16.50.94.90.88.30.4
10-25%22.41.523.22.827.22.918.12.024.41.812.62.317.81.713.71.816.02.115.23.110.02.39.41.213.81.26.40.915.90.5
26-50%14.61.318.42.614.72.219.82.119.51.76.21.78.31.28.51.54.91.210.32.63.01.44.20.85.20.83.00.69.60.4
51-75%11.11.111.62.210.52.017.12.014.51.56.81.84.60.94.61.12.70.92.91.53.01.31.40.53.10.60.70.36.40.3
76-100%6.30.917.62.45.31.48.71.514.11.40.40.41.60.62.50.81.30.60.0.1.00.70.50.30.60.30.20.24.10.2
total79.01.491.31.989.92.086.21.895.00.941.63.452.62.251.32.642.02.847.24.235.03.733.21.845.81.823.71.556.60.6
inside perimeterless than 1%0.10.10.0.0.0.0.0.0.0.0.0.0.20.21.00.51.90.82.81.43.91.61.10.42.90.61.10.41.00.1
1-4%0.30.20.0.0.0.0.0.0.0.1.90.91.20.50.20.22.00.83.61.62.61.36.41.02.10.52.60.61.70.2
5-9%0.80.30.0.0.0.0.0.0.0.2.10.91.10.50.70.43.61.13.51.62.41.24.50.81.90.51.80.51.60.2
10-25%0.60.30.0.0.0.0.0.0.0.5.31.61.80.60.0.5.81.45.72.07.72.16.21.03.50.72.10.52.40.2
26-50%0.70.30.0.0.0.0.0.0.0.0.40.40.80.41.40.61.70.84.31.70.60.61.30.51.90.50.80.30.90.1
51-75%0.40.20.0.0.0.0.0.0.0.0.0.0.40.30.0.1.00.60.70.73.11.40.20.20.30.20.0.0.30.1
76-100%0.10.10.0.0.0.0.0.0.0.0.40.40.20.20.20.21.00.60.0.0.60.60.0.0.10.10.10.10.20.1
total3.00.60.0.0.0.0.0.0.0.10.22.05.61.03.60.917.02.220.73.521.03.219.81.612.81.28.51.08.10.3
outside perimeterless than 1%0.40.20.40.40.0.0.60.40.20.23.51.30.90.44.91.10.90.51.51.03.31.33.70.87.00.96.60.92.90.2
1-4%1.60.50.90.60.40.41.40.60.0.5.71.54.00.98.21.48.11.61.41.010.52.410.51.210.51.117.31.36.80.3
5-9%3.70.71.30.70.50.51.10.50.60.35.81.67.71.23.81.07.91.65.61.83.61.59.71.27.30.916.61.36.50.3
10-25%5.60.83.21.25.11.45.01.10.80.418.92.716.41.713.51.813.12.010.42.612.72.614.31.410.71.117.91.410.70.4
26-50%3.00.60.80.62.91.14.61.11.20.58.11.97.31.210.41.66.71.411.12.77.52.07.71.14.70.86.40.95.50.3
51-75%2.40.51.30.70.90.60.90.52.20.65.31.63.50.82.50.82.70.92.21.34.71.61.20.41.20.42.10.52.20.2
76-100%1.20.40.90.60.40.40.30.30.0.1.00.72.00.61.80.71.70.80.0.1.81.00.0.0.0.0.90.30.80.1
total17.91.38.71.910.12.013.81.85.00.948.23.541.82.245.22.641.12.832.14.044.03.847.12.041.41.867.81.635.40.6
totalless than 1%2.90.65.41.54.61.47.51.44.50.96.91.72.90.711.01.56.11.45.01.913.32.66.71.015.01.311.01.17.60.3
1-4%11.91.210.22.013.12.210.01.68.51.214.42.413.61.517.12.016.62.115.83.119.73.124.21.724.31.525.21.517.10.5
5-9%16.71.37.51.815.32.48.11.410.31.313.22.418.91.712.81.718.72.216.33.111.32.522.71.715.61.323.31.516.30.5
10-25%28.61.626.43.032.33.023.12.225.21.836.83.335.92.127.32.334.82.731.34.030.53.630.01.828.01.626.41.629.10.6
26-50%18.31.419.22.717.62.424.42.320.81.714.72.516.31.720.32.113.41.925.73.611.12.413.21.411.81.210.11.116.00.5
51-75%13.91.212.82.211.42.118.02.016.71.612.02.38.51.27.01.46.41.45.82.010.82.42.70.74.60.82.80.68.90.4
76-100%7.60.918.52.55.71.58.91.514.11.41.90.93.80.94.51.14.01.10.0.3.41.40.50.30.70.31.20.45.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #874394/340726
NFI4
forest area
avalanches SilvaProtect · degree of cover of regeneration (7 classes)
unit of reference: protection forest region
unit: %
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 regeneration (7 classes) %± %± %± %± %± %± %±
n/a< 1%2.30.31.70.42.00.50.70.33.60.71.90.52.10.2
1-4%7.20.66.60.88.31.16.21.010.01.13.90.77.00.3
5-9%8.20.66.60.86.61.08.91.26.40.95.40.87.20.3
10-25%20.10.916.21.213.11.38.61.213.01.36.10.914.90.5
26-50%17.70.88.50.97.61.03.60.86.50.93.00.610.30.4
51-75%15.40.84.40.74.90.91.60.53.70.70.80.37.60.3
76-100%15.80.82.00.52.50.60.50.31.30.40.30.26.60.3
total86.60.746.01.645.02.030.11.944.51.821.31.555.80.6
inside perimeter< 1%0.10.10.50.21.80.51.00.42.20.60.90.30.80.1
1-4%0.10.11.60.41.40.56.11.02.90.62.90.61.80.2
5-9%0.30.12.20.51.50.54.30.81.80.51.50.41.50.2
10-25%0.20.13.30.63.40.77.21.13.60.72.00.52.40.2
26-50%0.20.11.30.41.40.52.10.61.60.51.50.41.10.1
51-75%0.10.10.70.31.40.50.0.1.00.40.0.0.40.1
76-100%0.20.10.60.30.50.30.20.20.10.10.10.10.30.1
total1.10.210.10.911.41.320.81.613.31.39.01.08.30.3
outside perimeter< 1%0.10.11.40.43.10.72.90.74.50.84.40.72.00.2
1-4%0.60.24.50.75.80.910.81.310.91.217.51.46.30.3
5-9%1.60.37.20.85.40.910.31.37.11.017.61.46.60.3
10-25%3.70.414.61.111.91.315.11.511.11.218.31.410.40.4
26-50%3.00.49.00.910.81.27.71.16.10.98.61.06.50.3
51-75%2.00.34.20.64.20.82.30.62.40.62.40.62.80.2
76-100%1.20.22.90.52.50.60.0.0.10.10.90.31.30.2
total12.20.743.91.643.51.949.02.142.21.869.71.635.90.6
total< 1%2.50.33.60.66.91.04.60.910.21.17.30.94.90.3
1-4%7.80.612.71.115.51.423.11.723.91.624.21.515.10.5
5-9%10.10.615.91.213.41.323.61.815.31.324.61.615.30.5
10-25%24.00.934.11.528.51.830.81.927.71.726.41.627.70.6
26-50%21.00.918.81.219.81.613.31.414.21.313.11.217.80.5
51-75%17.50.89.40.910.51.23.90.87.11.03.10.610.80.4
76-100%17.10.85.60.75.50.90.70.41.60.51.30.48.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 17.06.2020 #874395/340727
NFI4
forest area
avalanches SilvaProtect · main type of harvest
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectmain type of harvest %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/askidder63.32.040.83.547.63.455.82.857.22.135.15.350.23.155.53.726.74.020.55.022.66.124.63.325.22.412.52.645.80.9
forwarder31.51.952.93.650.13.342.22.837.72.118.74.36.71.67.72.03.41.73.22.31.91.96.91.910.61.79.42.326.10.7
mobile tower yarder3.30.73.11.31.70.81.00.63.80.814.13.722.72.611.82.418.03.624.45.513.44.816.72.817.22.17.32.08.70.5
cable crane0.70.30.60.60.0.1.00.60.40.314.63.89.21.85.91.722.13.97.83.429.36.72.41.219.72.29.12.25.70.4
helicopter0.50.30.0.0.50.50.0.0.40.316.44.211.21.917.42.828.94.242.46.332.96.848.23.827.22.556.63.912.90.6
others0.60.32.61.10.0.0.0.0.50.31.11.10.0.1.71.00.80.81.71.70.0.1.20.90.0.5.01.70.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder51.710.4........28.19.711.76.429.612.424.76.00.0.14.35.913.93.115.53.74.22.416.11.7
forwarder18.38.2........0.0.0.0.6.86.60.0.0.0.0.0.1.61.10.90.90.0.1.70.6
mobile tower yarder21.48.5........44.110.620.57.522.311.327.26.325.58.410.05.529.44.126.94.512.34.024.32.0
cable crane0.0.........15.57.232.18.920.510.722.05.936.69.435.98.612.93.026.54.521.65.021.51.9
helicopter4.14.0........12.36.835.69.020.810.726.06.237.89.439.98.841.44.530.24.760.45.935.82.2
others4.64.5........0.0.0.0.0.0.0.0.0.0.0.0.0.80.80.0.1.51.50.60.4
total100.0.........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterskidder61.34.140.811.158.210.266.06.867.68.933.74.748.63.544.83.822.13.820.06.333.65.717.62.317.32.28.91.227.71.0
forwarder16.43.149.011.241.810.219.85.717.97.36.02.43.81.37.12.01.61.12.32.32.61.93.11.04.71.23.50.86.20.5
mobile tower yarder14.02.910.26.80.0.8.24.06.94.838.24.822.72.922.53.232.94.331.77.410.83.726.72.630.52.612.21.421.40.9
cable crane2.71.30.0.0.0.1.81.80.0.11.63.120.32.815.42.822.63.829.57.235.65.69.11.728.82.612.91.515.90.8
helicopter2.11.20.0.0.0.4.12.93.73.69.22.94.71.510.22.320.73.716.65.717.44.642.82.918.02.260.22.127.70.9
others3.51.60.0.0.0.0.0.3.93.81.31.30.0.0.0.0.0.0.0.0.0.0.70.50.70.52.30.71.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder62.61.740.83.348.73.257.22.657.72.133.73.347.32.249.62.624.42.516.13.325.93.618.91.620.61.59.31.136.90.6
forwarder28.41.652.53.449.33.239.22.636.72.010.52.25.11.07.41.42.10.82.31.31.81.04.00.86.80.94.50.816.90.4
mobile tower yarder5.80.83.71.31.60.82.00.74.00.829.13.222.61.917.12.025.92.626.93.911.42.624.21.724.11.611.21.114.60.4
cable crane1.00.40.60.60.0.1.10.50.40.313.22.315.21.610.81.622.32.520.63.533.63.97.91.124.51.612.91.210.60.4
helicopter0.90.30.0.0.50.50.60.40.50.312.52.49.81.314.21.825.02.533.34.027.33.744.12.123.71.659.41.820.10.5
others1.30.42.31.00.0.0.0.0.70.31.10.80.0.0.90.50.30.30.80.80.0.0.90.40.30.22.80.60.90.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #874396/340728
NFI4
forest area
avalanches SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/an/a0.10.10.10.10.0.0.0.0.0.0.00.0
less than 10 years ago47.31.667.91.422.01.39.10.72.90.628.70.5
11-20 years ago17.01.214.11.011.41.06.40.61.90.510.00.4
21-30 years ago6.90.84.60.64.20.64.80.51.80.54.60.3
31-40 years ago4.30.62.00.43.30.53.90.42.80.63.30.2
41-50 years ago2.80.50.90.32.70.52.70.41.80.52.20.2
over 50 years ago3.10.61.60.45.20.711.50.710.21.16.80.3
total81.51.291.20.848.91.538.41.121.31.555.80.6
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago0.80.30.0.1.60.44.30.50.90.31.90.2
11-20 years ago0.30.20.0.1.70.43.20.40.40.21.40.2
21-30 years ago0.40.20.0.0.70.32.30.30.80.31.10.1
31-40 years ago0.50.20.0.0.40.21.60.30.80.30.80.1
41-50 years ago0.0.0.0.0.80.31.40.30.90.40.70.1
over 50 years ago0.30.20.0.0.70.24.70.55.20.82.30.2
total2.40.50.0.5.90.717.50.99.01.08.30.3
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago7.70.85.40.722.01.311.50.78.01.011.20.4
11-20 years ago3.30.61.70.410.10.97.70.64.30.75.80.3
21-30 years ago1.20.30.90.34.00.66.00.55.30.83.70.2
31-40 years ago0.90.30.40.23.10.53.80.45.20.82.70.2
41-50 years ago0.70.30.20.11.60.43.30.46.20.92.30.2
over 50 years ago2.40.50.30.14.30.611.80.740.61.810.30.4
total16.11.28.80.845.21.544.11.169.71.636.00.6
totaln/a0.10.10.10.10.0.0.0.0.0.0.00.0
less than 10 years ago55.81.673.31.345.71.525.01.011.81.241.80.6
11-20 years ago20.51.315.71.123.31.317.30.96.60.917.30.5
21-30 years ago8.50.95.50.78.90.913.10.87.91.09.40.4
31-40 years ago5.70.72.50.56.80.89.20.78.71.06.80.3
41-50 years ago3.50.61.10.35.20.77.40.68.91.05.30.3
over 50 years ago5.80.71.80.410.20.928.01.056.01.819.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 17.06.2020 #874397/340729
NFI4
forest area
avalanches SilvaProtect · percentage of salvage logging
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonpercentage of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0%39.430.0.0.0.39.43
1-50%5.6180.0.0.0.5.618
over 50%2.5270.0.0.0.2.527
total47.520.0.0.0.47.52
AI0%2.4250.6572.2245.210
1-50%0.0.0.0.0.0.0.0.
over 50%0.21000.0.0.0.0.2100
total2.5240.6572.2245.310
AR0%4.9150.21002.2247.38
1-50%0.4730.0.0.3710.751
over 50%0.0.0.0.0.21000.2100
total5.3130.21002.7228.16
BE0%75.8411.71358.35145.82
1-50%7.9160.8503.42412.212
over 50%5.6190.6584.72010.913
total89.3413.11266.54168.91
BL/BS0%13.480.0.2.62716.06
1-50%2.1310.0.0.7572.826
over 50%0.9500.0.0.8501.735
total16.360.0.4.12120.43
FR0%23.761.04011.71136.53
1-50%1.2450.0.0.8502.033
over 50%2.1310.0.0.8502.926
total27.051.04013.41041.43
GE0%3.3130.0.0.0.3.313
1-50%0.0.0.0.0.0.0.0.
over 50%0.41000.0.0.0.0.4100
total3.750.0.0.0.3.75
GL0%5.4173.8205.21714.47
1-50%0.21000.21000.0.0.469
over 50%0.4710.0.0.0.0.471
total6.0164.0205.21715.26
GR0%66.2521.5975.24162.92
1-50%1.4380.21000.8502.429
over 50%2.2301.0452.9266.218
total69.8522.7979.04171.52
JU0%19.670.94310.11230.63
1-50%1.2400.0.0.21001.437
over 50%1.2400.0.0.21001.437
total21.960.94310.51133.43
LU0%28.250.6586.51635.24
1-50%1.2410.0.0.21001.438
over 50%3.4230.0.0.4713.722
total32.840.6587.01640.42
NE0%19.561.0442.52623.15
1-50%3.2240.0.0.3713.522
over 50%1.5350.0.0.0.1.535
total24.151.0442.82428.03
NW0%4.3181.2442.8248.27
1-50%0.0.0.0.0.0.0.0.
over 50%0.0.0.0.0.0.0.0.
total4.3181.2442.8248.27
OW0%9.1121.3386.91417.35
1-50%0.4710.0.0.4700.849
over 50%0.3720.4720.21000.945
total9.9111.7337.51319.04
SG0%20.594.22223.7748.34
1-50%1.2410.21001.6352.925
over 50%0.8500.0.1.3372.130
total22.484.42126.5753.33
SH0%10.270.0.0.46910.66
1-50%1.3390.0.0.0.1.339
over 50%0.4690.0.0.0.0.469
total11.940.0.0.46912.33
SO0%24.950.21002.72727.84
1-50%3.1250.0.0.21003.324
over 50%1.0450.0.0.0.1.045
total29.030.21002.92632.12
SZ0%14.0101.6359.41224.95
1-50%0.0.0.0.0.8500.850
over 50%1.3390.0.1.5372.826
total15.391.63511.71128.54
TG0%13.670.0.2.32715.96
1-50%2.1280.0.0.11002.227
over 50%2.0290.0.0.0.2.029
total17.740.0.2.42620.12
TI0%24.888.81484.23117.82
1-50%0.21000.21001.2411.635
over 50%0.6580.6580.8501.931
total25.689.51486.23121.32
UR0%6.6153.5224.91715.06
1-50%0.0.0.0.0.0.0.0.
over 50%0.21000.21000.4710.849
total6.8153.7215.31615.86
VD0%65.744.42115.11185.12
1-50%3.0260.21000.6583.823
over 50%6.1170.6580.0.6.717
total74.735.21915.61095.62
VS0%32.3722.5852.65107.52
1-50%0.4710.4710.8501.635
over 50%1.6350.8502.4294.820
total34.3723.7855.84113.82
ZG0%2.3220.21001.0373.516
1-50%0.4670.0.0.9411.331
over 50%0.6570.0.0.4721.042
total3.3170.21002.3225.76
ZH0%41.030.0.1.43842.43
1-50%4.2210.0.0.21004.521
over 50%2.6270.0.0.0.2.627
total47.820.0.1.63549.42
Switzerland0%570.9189.14383.921043.91
1-50%40.672.23013.61256.36
over 50%37.774.12217.01158.86
total649.2195.44414.521159.11
© WSL, Swiss National Forest Inventory, 17.06.2020 #874398/340730
NFI4
forest area
avalanches SilvaProtect · basal area (standing live trees)
unit of reference: canton
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
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGto 19 m2/ha17.780.0.0.0.17.78
20-39 m2/ha20.570.0.0.0.20.57
40-59 m2/ha7.0150.0.0.0.7.015
from 60 m2/ha1.4370.0.0.0.1.437
total46.720.0.0.0.46.72
AIto 19 m2/ha0.0.0.0.0.4680.468
20-39 m2/ha1.0430.0.0.9442.029
40-59 m2/ha0.9420.4680.7492.124
from 60 m2/ha0.4720.21000.21000.747
total2.3250.6572.2245.19
ARto 19 m2/ha1.1400.0.0.3711.434
20-39 m2/ha1.1420.0.0.4731.534
40-59 m2/ha1.7330.0.1.1342.823
from 60 m2/ha1.4350.21000.9442.423
total5.3130.21002.7228.16
BEto 19 m2/ha27.084.42112.91244.36
20-39 m2/ha31.573.72327.9863.14
40-59 m2/ha17.7104.02216.71038.36
from 60 m2/ha7.4160.6587.41615.311
total83.5412.71264.94161.11
BL/BSto 19 m2/ha4.4160.0.0.6595.115
20-39 m2/ha7.6130.0.2.52710.110
40-59 m2/ha2.8270.0.0.7573.523
from 60 m2/ha0.9500.0.0.0.0.950
total15.760.0.3.92219.64
FRto 19 m2/ha9.6120.21002.52812.310
20-39 m2/ha6.7160.5573.72210.912
40-59 m2/ha7.2150.4714.91812.510
from 60 m2/ha2.4260.0.1.7324.119
total25.951.04012.81039.73
GEto 19 m2/ha0.8660.0.0.0.0.866
20-39 m2/ha2.0320.0.0.0.2.032
40-59 m2/ha0.41000.0.0.0.0.4100
from 60 m2/ha0.0.0.0.0.0.0.0.
total3.1130.0.0.0.3.113
GLto 19 m2/ha1.1400.9441.9304.019
20-39 m2/ha1.4381.2401.5354.119
40-59 m2/ha1.4370.5551.0443.022
from 60 m2/ha1.0441.2400.6572.824
total4.9183.8205.11713.87
GRto 19 m2/ha16.6103.62317.21037.56
20-39 m2/ha20.299.91428.3858.45
40-59 m2/ha12.9125.11919.2937.16
from 60 m2/ha4.5212.2304.91911.612
total54.2520.7969.64144.52
JUto 19 m2/ha5.1170.0.2.2297.314
20-39 m2/ha8.8130.7495.31714.88
40-59 m2/ha6.0160.21002.5278.713
from 60 m2/ha1.4370.0.0.6571.931
total21.360.94310.51132.83
LUto 19 m2/ha8.1130.0.1.3379.411
20-39 m2/ha13.2100.0.2.32815.59
40-59 m2/ha7.2150.4712.42810.012
from 60 m2/ha3.5220.21000.8504.519
total31.940.6586.81639.43
NEto 19 m2/ha5.1160.0.0.9456.015
20-39 m2/ha10.6110.8501.23812.79
40-59 m2/ha6.7140.21000.7497.713
from 60 m2/ha0.9480.0.0.0.0.948
total23.451.0442.82427.33
NWto 19 m2/ha0.8560.5680.9502.328
20-39 m2/ha1.0490.4721.0422.427
40-59 m2/ha1.5370.21000.6572.327
from 60 m2/ha0.31000.0.0.0.0.3100
total3.5211.2442.6267.29
OWto 19 m2/ha3.3220.21002.4255.914
20-39 m2/ha1.6330.7512.6274.918
40-59 m2/ha3.2240.7511.3405.217
from 60 m2/ha1.0440.0.1.1432.129
total9.1121.7337.41318.14
SGto 19 m2/ha5.8180.9504.71911.412
20-39 m2/ha6.4171.7358.91417.09
40-59 m2/ha4.9190.8507.31513.111
from 60 m2/ha3.0240.9503.4227.315
total20.194.42124.3748.84
SHto 19 m2/ha2.3270.0.0.0.2.327
20-39 m2/ha6.8120.0.0.21006.912
40-59 m2/ha2.9240.0.0.21003.022
from 60 m2/ha0.0.0.0.0.0.0.0.
total11.940.0.0.46912.33
SOto 19 m2/ha7.7140.0.0.4728.114
20-39 m2/ha15.190.0.1.73516.88
40-59 m2/ha5.0180.21000.7515.916
from 60 m2/ha0.8510.0.0.0.0.851
total28.530.21002.92631.62
SZto 19 m2/ha2.7260.21002.5275.417
20-39 m2/ha6.1170.4713.3239.812
40-59 m2/ha3.1230.6583.7217.413
from 60 m2/ha1.5350.21001.2412.924
total13.5101.43710.71125.54
TGto 19 m2/ha5.7120.0.0.5596.212
20-39 m2/ha6.1150.0.1.2357.413
40-59 m2/ha4.5170.0.0.7565.116
from 60 m2/ha0.9450.0.0.0.0.945
total17.250.0.2.42619.63
TIto 19 m2/ha7.2161.73319.8928.87
20-39 m2/ha6.9174.22135.8646.95
40-59 m2/ha1.8331.34115.61018.79
from 60 m2/ha0.4710.8494.3225.519
total16.3108.01575.6399.92
URto 19 m2/ha1.3360.3700.21001.829
20-39 m2/ha1.9301.2413.1246.115
40-59 m2/ha0.8491.5321.0443.420
from 60 m2/ha0.8480.4710.4691.634
total4.8183.5214.61812.96
VDto 19 m2/ha18.980.6584.62024.17
20-39 m2/ha30.871.9315.91838.65
40-59 m2/ha12.9111.3402.52716.710
from 60 m2/ha4.9191.1412.3288.314
total67.535.01915.21087.72
VSto 19 m2/ha12.6123.82317.21033.66
20-39 m2/ha8.3159.11419.8937.26
40-59 m2/ha2.6266.31710.31319.29
from 60 m2/ha1.0443.6224.3208.913
total24.5822.9851.6599.02
ZGto 19 m2/ha0.6460.0.0.6461.227
20-39 m2/ha1.5320.21000.9432.622
40-59 m2/ha0.6590.0.0.8471.335
from 60 m2/ha0.21000.0.0.0.0.2100
total2.9190.21002.3225.48
ZHto 19 m2/ha14.980.0.0.85015.77
20-39 m2/ha19.280.0.0.65819.87
40-59 m2/ha11.1110.0.0.210011.311
from 60 m2/ha2.0320.0.0.0.2.032
total47.120.0.1.63548.82
Switzerlandto 19 m2/ha180.5317.41195.04293.02
20-39 m2/ha236.0236.77159.23432.02
40-59 m2/ha126.8424.1994.74245.62
from 60 m2/ha41.9711.51333.8787.34
total585.2189.84382.821057.81
© WSL, Swiss National Forest Inventory, 17.06.2020 #874399/340731
NFI4
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 12cm, classified)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 12cm, classified) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-100 stems/ha14.72.10.0.21.48.011.41.57.32.516.63.112.512.411.96.58.31.712.13.06.81.94.42.07.77.520.55.716.43.73.92.713.12.88.83.413.53.210.93.415.57.313.11.717.03.415.37.512.31.911.80.6
101-200 stems/ha19.12.517.811.54.94.916.51.815.24.312.33.10.0.11.56.316.42.310.12.911.42.59.72.90.0.9.74.612.33.413.74.613.62.95.72.811.63.412.13.68.45.818.52.120.53.76.15.918.92.614.90.7
201-300 stems/ha18.62.50.0.12.77.115.31.824.15.016.13.412.512.416.77.713.12.011.93.119.23.122.53.822.311.77.53.818.03.918.85.220.03.324.45.420.44.114.84.015.87.214.81.99.12.616.110.416.42.416.40.7
301-400 stems/ha17.12.50.0.13.56.617.51.921.84.916.23.312.512.414.76.815.02.217.33.617.03.025.24.114.69.420.26.112.43.321.55.612.92.819.24.86.22.114.53.916.97.714.31.914.83.212.27.621.02.716.50.7
401-500 stems/ha8.21.813.08.34.94.912.01.610.73.69.22.612.512.412.97.016.02.211.83.112.92.616.93.57.77.58.64.114.83.512.94.610.92.717.94.818.24.06.02.64.14.011.21.710.52.88.07.912.52.212.00.6
501-600 stems/ha8.21.88.88.313.56.810.01.510.03.77.32.450.018.723.98.49.51.811.93.09.32.36.82.25.04.91.51.54.82.16.73.310.12.68.93.515.43.68.83.211.26.29.61.66.72.310.26.69.21.99.40.5
more than 600 stems/ha14.12.260.413.829.19.217.21.811.03.722.33.80.0.8.45.821.72.525.04.123.53.314.53.142.713.831.96.921.24.222.55.619.43.214.94.414.63.532.95.228.09.118.62.021.53.732.212.39.91.819.00.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha..0.0.0.0.14.34.4..16.315.1..5.95.78.42.70.0.0.0.0.0.23.620.60.0.4.54.4..0.0.14.313.2..11.95.04.94.80.0.6.02.20.0...7.91.3
101-200 stems/ha..0.0.0.0.12.44.1..16.315.1..21.29.515.43.50.0.0.0.23.620.40.0.0.0.15.48.2..0.0.12.211.6..17.76.115.78.215.97.33.51.7100.0...11.81.5
201-300 stems/ha..0.0.0.0.12.74.2..16.315.1..23.59.316.93.618.717.50.0.35.220.823.620.627.716.417.98.3..0.0.0.0...15.25.717.39.215.67.217.83.50.0...16.61.7
301-400 stems/ha..36.729.30.0.12.74.2..0.0...9.36.316.03.60.0.30.926.341.222.715.214.60.0.5.65.5..0.0.44.919.2..14.45.50.0.7.95.422.83.90.0...15.51.7
401-500 stems/ha..63.329.3100.0.18.84.9..18.316.3..0.0.12.23.20.0.0.0.0.0.22.319.333.016.08.35.7..0.0.0.0...7.24.022.19.812.36.716.83.40.0...14.01.6
501-600 stems/ha..0.0.0.0.9.03.5..16.315.1..0.0.9.42.840.022.40.0.0.0.15.214.60.0.11.27.4..0.0.16.414.9..12.05.116.28.711.56.38.42.60.0...9.51.4
more than 600 stems/ha..0.0.0.0.20.15.0..16.315.1..40.111.221.54.041.422.769.126.30.0.0.0.39.316.637.110.6..100.0.12.211.6..21.66.423.710.336.89.724.74.00.0...24.72.0
total..100.0.100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0...100.0.100.0.100.0.100.0.100.0...100.0.
outside perimeter0-100 stems/ha..18.911.95.75.66.21.35.04.810.43.9..15.17.110.21.63.72.58.64.75.55.428.812.912.85.46.82.30.0.8.58.27.93.79.18.79.21.50.0.3.72.19.11.86.46.311.310.78.50.6
101-200 stems/ha..0.0.5.65.613.41.912.78.314.14.4..8.05.513.61.818.65.22.72.735.712.36.86.815.45.810.32.750.036.120.410.88.23.99.18.79.71.53.73.617.94.412.72.115.410.127.416.312.40.8
201-300 stems/ha..0.0.5.65.616.52.116.18.710.43.8..7.14.918.22.116.85.119.46.55.55.413.79.27.24.023.73.90.0.11.07.412.54.523.912.211.91.78.55.816.64.218.42.421.811.723.815.015.70.8
301-400 stems/ha..48.815.016.89.016.72.111.27.610.73.9..19.68.019.92.112.94.58.64.717.59.36.86.88.14.714.63.20.0.8.58.217.55.311.57.715.51.98.35.717.34.310.61.925.612.90.0.15.40.8
401-500 stems/ha..0.0.11.27.614.41.927.210.713.44.2..10.85.910.41.614.94.912.05.712.08.10.0.8.14.712.93.00.0.11.07.410.94.320.611.014.71.913.57.314.24.014.02.124.312.713.712.713.20.8
501-600 stems/ha..13.78.932.012.313.41.94.94.88.83.4..15.27.29.11.57.43.65.63.918.49.716.911.415.86.19.62.70.0.17.110.912.14.45.75.67.21.422.18.94.92.49.01.80.0.13.712.79.90.7
more than 600 stems/ha..18.711.823.011.419.42.223.010.232.35.7..24.18.518.62.025.75.943.28.45.55.426.913.332.77.822.03.750.036.123.411.930.96.320.110.931.82.443.910.525.55.026.22.76.46.310.19.724.91.0
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha14.72.18.25.615.85.59.61.06.82.214.62.312.512.411.43.89.21.19.02.17.01.74.31.817.76.715.53.510.61.93.82.612.62.68.72.513.03.09.71.37.13.010.71.310.31.411.04.512.21.910.30.4
101-200 stems/ha19.12.58.15.55.03.714.91.314.73.813.02.50.0.12.94.114.91.312.52.59.72.113.03.02.42.411.23.311.62.114.94.614.22.87.12.311.33.210.71.48.73.418.21.812.51.513.25.619.12.613.70.5
201-300 stems/ha18.62.50.0.10.15.015.61.322.54.414.32.612.512.415.14.316.11.413.62.618.92.821.33.519.57.59.23.120.82.618.35.019.13.018.13.520.83.912.61.513.64.215.21.715.91.618.07.716.62.416.20.5
301-400 stems/ha17.12.525.28.614.35.216.81.319.74.314.02.512.512.415.04.217.51.415.42.815.72.625.03.712.05.813.43.712.92.220.85.512.42.619.93.56.92.015.31.69.33.714.41.714.41.617.57.020.32.616.00.5
401-500 stems/ha8.21.813.06.18.84.513.51.213.93.610.82.212.512.48.53.412.71.212.52.612.52.315.73.17.35.110.63.313.32.112.54.510.92.514.03.118.53.712.71.512.34.111.71.513.81.514.77.112.52.112.60.5
501-600 stems/ha8.21.89.95.419.46.211.31.19.03.18.01.950.018.714.14.19.31.111.22.48.52.07.72.110.85.27.22.77.81.76.53.210.72.610.62.714.23.37.81.216.54.78.91.38.31.25.53.79.31.89.60.4
more than 600 stems/ha14.12.235.69.326.67.118.31.313.33.625.43.00.0.23.05.120.21.525.73.327.63.213.02.830.38.732.94.923.02.723.45.620.23.121.53.615.33.331.22.032.65.820.81.924.71.920.17.59.91.821.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #874400/340732
NFI4
forest area
avalanches SilvaProtect · stem count/ha (DBH >= 36cm, classified)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-100 stems/ha51.51.957.63.059.42.962.42.461.41.949.15.555.73.048.63.855.15.253.76.857.18.077.43.758.72.967.04.757.90.8
101-200 stems/ha38.31.932.93.128.83.029.52.429.51.926.85.028.52.930.63.629.14.928.36.421.86.618.83.429.72.829.04.530.70.8
201-300 stems/ha8.61.18.01.910.82.07.11.47.81.218.34.210.82.015.62.710.13.216.15.221.16.73.11.58.91.84.01.99.20.5
301-400 stems/ha0.90.41.50.90.50.50.60.51.10.53.41.94.51.43.41.33.21.80.0.0.0.0.80.82.81.00.0.1.60.2
401-500 stems/ha0.50.30.0.0.50.50.0.0.20.22.31.60.50.51.81.12.41.72.01.90.0.0.0.0.0.0.0.0.50.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.20.20.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-100 stems/ha39.610.2........49.910.648.59.537.913.260.06.933.19.246.18.842.24.548.75.352.36.347.02.3
101-200 stems/ha56.210.4........33.29.847.29.527.611.926.76.342.79.738.18.839.64.543.05.334.26.138.82.3
201-300 stems/ha4.24.1........13.17.10.0.34.412.79.54.119.78.09.25.214.93.28.33.09.83.811.31.5
301-400 stems/ha0.0.........3.93.84.24.10.0.2.12.14.44.36.64.72.51.40.0.3.72.62.50.8
401-500 stems/ha0.0.........0.0.0.0.0.0.1.71.70.0.0.0.0.0.0.0.0.0.0.20.2
501- 600 stems/ha0.0.........0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.........0.0.0.0.0.0.0.0.0.0.0.0.0.80.80.0.0.0.0.20.2
total100.0.........100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha44.54.140.110.959.610.047.17.047.79.448.44.844.83.443.63.758.24.454.58.349.95.864.12.754.32.970.22.156.21.1
101-200 stems/ha48.34.250.011.221.38.544.87.148.59.430.74.643.23.536.33.626.24.129.07.831.95.827.52.635.02.823.51.932.61.0
201-300 stems/ha6.52.19.96.715.37.06.03.43.93.818.13.69.82.116.72.912.22.913.85.717.04.47.01.59.21.75.51.19.40.7
301-400 stems/ha0.70.70.0.3.83.82.02.00.0.2.71.62.21.12.91.32.41.42.82.71.31.31.50.71.10.70.80.41.60.3
401-500 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.60.60.90.90.0.0.0.0.0.0.0.0.0.0.10.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.40.0.0.10.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha49.81.656.02.859.42.760.32.160.71.848.93.050.52.045.82.457.52.849.24.251.03.962.31.955.41.868.01.856.40.6
101-200 stems/ha40.71.734.52.928.02.831.62.230.51.829.53.136.02.133.22.527.32.831.84.330.54.028.11.933.91.825.41.732.10.6
201-300 stems/ha8.11.08.21.811.31.97.01.37.61.117.72.49.71.416.81.911.01.816.23.416.33.07.91.18.91.15.60.99.50.4
301-400 stems/ha0.80.31.40.80.80.60.80.51.00.43.11.23.50.93.00.92.61.01.91.32.21.31.50.51.70.51.00.41.70.2
401-500 stems/ha0.40.20.0.0.50.50.0.0.20.20.90.60.20.21.20.61.60.80.90.90.0.0.0.0.0.0.0.0.30.1
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.10.10.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.20.20.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #874402/340734
NFI4
forest area
landslide/mudflow SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-20%1.30.52.11.02.31.01.50.70.90.41.81.81.60.80.60.60.0.0.0.0.0.0.90.90.80.50.90.91.20.2
21-40%1.30.50.50.51.40.81.10.62.90.75.02.82.00.98.32.24.72.34.33.011.84.912.13.09.01.82.01.43.50.3
41-60%8.01.12.61.28.61.86.41.43.00.819.04.718.52.411.02.518.74.226.56.219.76.725.64.027.62.815.63.611.50.6
61-80%21.61.710.02.217.42.719.42.315.11.625.85.134.03.124.43.337.65.230.76.523.37.034.54.340.43.126.54.423.40.8
over 80%67.81.984.82.670.33.071.42.478.11.648.55.544.03.155.63.738.95.138.56.645.28.026.93.922.22.654.94.960.30.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.03.05.25.10.0.0.0.0.0.0.0.0.30.2
21-40%0.0.0.0.0.0.0.0.0.0.0.0.3.83.80.0.0.0.6.15.89.66.53.51.74.22.31.61.12.30.6
41-60%0.0.11.47.60.0.0.0.0.0.5.45.30.0.7.45.012.35.70.0.4.54.421.83.916.24.36.42.29.71.2
61-80%17.04.513.18.624.121.113.08.510.710.221.011.034.29.922.08.017.76.621.79.89.26.233.44.436.25.518.13.523.81.8
over 80%83.04.575.510.675.921.187.08.589.310.273.511.662.010.170.68.767.08.167.011.276.79.141.34.543.45.673.93.963.92.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.0.0.3.63.50.0.1.31.30.90.61.51.05.31.90.0.3.52.00.40.40.40.40.80.41.20.3
21-40%1.11.10.0.0.0.0.0.0.0.9.63.03.21.23.61.66.92.24.83.32.31.65.21.48.01.61.70.64.30.5
41-60%3.41.90.0.0.0.2.62.60.0.13.33.38.31.85.72.014.83.112.45.210.33.519.72.433.02.87.91.313.80.8
61-80%15.43.80.0.16.18.515.86.59.06.136.64.732.03.220.53.425.73.824.16.728.75.238.73.037.72.925.92.229.41.1
over 80%80.14.2100.0.83.98.578.07.391.06.139.34.355.73.468.73.847.44.358.77.755.25.636.02.920.92.463.72.451.31.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.00.41.80.82.10.91.60.70.80.41.41.01.20.50.90.53.21.10.90.92.01.10.40.30.50.30.60.31.10.1
21-40%1.20.40.50.51.30.71.00.62.70.77.11.92.60.75.61.25.21.44.82.16.11.96.51.18.01.11.70.53.70.3
41-60%6.70.93.21.27.71.65.81.22.90.714.92.613.01.48.41.515.82.316.73.512.12.821.71.828.71.88.91.112.10.4
61-80%20.41.59.82.117.42.518.82.114.81.531.23.333.12.222.52.328.82.826.74.324.33.736.52.138.62.024.51.725.50.6
over 80%70.71.684.72.471.62.772.72.178.81.645.42.950.12.262.52.447.02.951.04.555.54.134.92.124.21.764.31.957.60.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #874403/340735
NFI4
forest area
landslide/mudflow SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-20%1.30.52.00.92.21.01.50.70.80.41.61.61.50.70.60.50.0.0.0.0.0.2.41.21.60.71.91.11.30.2
21-40%2.30.60.50.51.30.81.10.62.80.78.33.22.61.08.72.16.02.210.03.915.44.915.72.811.31.812.92.65.20.4
41-60%8.61.12.61.28.71.86.41.43.00.719.84.520.32.414.22.620.83.824.15.421.76.129.73.529.02.523.23.313.50.6
61-80%22.01.79.82.217.52.619.42.315.41.624.84.733.62.924.13.236.54.432.35.926.86.530.13.537.22.722.73.323.50.7
over 80%65.91.885.12.570.32.971.52.477.91.645.65.142.03.052.53.536.64.433.65.736.26.822.13.120.82.239.43.856.40.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.92.94.14.00.0.0.0.0.0.0.0.0.30.2
21-40%0.0.0.0.0.0.0.0.0.0.0.0.3.83.80.0.0.0.9.06.19.66.53.41.76.22.72.91.43.00.7
41-60%0.0.11.47.60.0.0.0.0.0.5.15.00.0.7.45.011.95.612.76.84.54.421.93.816.84.18.72.410.81.3
61-80%16.84.413.18.624.121.113.08.510.710.219.810.434.29.922.08.020.36.921.58.79.26.234.14.334.65.117.93.323.91.7
over 80%83.24.475.510.675.921.187.08.589.310.275.111.062.010.170.68.764.98.152.710.476.79.140.74.442.35.370.53.962.12.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.0.0.3.63.50.0.1.21.21.30.71.41.05.01.80.0.3.21.80.70.50.70.51.10.51.30.3
21-40%1.11.10.0.0.0.0.0.0.0.9.22.93.11.13.41.57.22.24.43.03.21.85.91.49.11.63.20.84.90.5
41-60%3.41.90.0.0.0.2.62.60.0.14.93.48.11.86.22.014.03.013.65.213.83.720.12.433.32.69.81.414.70.8
61-80%15.33.70.0.16.18.515.86.59.06.136.14.632.23.220.93.325.93.724.36.527.54.937.62.937.02.725.92.029.21.0
over 80%80.34.1100.0.83.98.578.07.391.06.138.64.255.43.468.13.747.94.257.87.452.25.335.72.819.92.260.02.249.81.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.00.41.80.82.00.91.60.70.80.41.30.91.30.50.90.52.70.90.70.71.81.01.10.41.00.41.10.41.20.1
21-40%2.00.50.40.41.20.71.00.62.60.78.12.02.90.75.81.25.91.47.92.47.92.08.31.19.81.15.20.84.90.3
41-60%7.10.93.21.27.81.65.81.22.80.716.12.514.01.410.31.616.52.218.43.315.02.923.31.829.51.712.51.213.60.4
61-80%20.71.49.72.017.52.518.82.115.11.530.33.233.02.122.62.229.52.727.63.924.93.534.62.036.81.823.81.525.50.6
over 80%69.21.685.02.471.52.772.82.178.61.544.22.848.82.160.52.345.32.745.44.050.43.832.61.923.01.557.41.754.80.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #874404/340736
NFI4
forest area
landslide/mudflow SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-20%1.40.52.00.92.20.91.50.70.80.41.51.52.10.90.50.50.0.0.0.0.0.2.51.12.30.83.21.31.60.2
21-40%2.40.60.50.51.30.81.10.62.80.79.03.23.21.08.82.18.72.512.74.216.44.718.02.714.21.913.62.56.20.4
41-60%8.61.12.51.19.11.86.71.43.10.818.94.320.22.314.42.622.43.723.05.226.35.830.93.327.92.422.93.014.00.6
61-80%22.31.710.12.217.42.619.52.315.61.625.84.733.12.825.23.134.44.232.25.725.65.827.73.234.62.523.03.023.40.7
over 80%65.31.884.92.570.02.971.12.477.71.644.85.041.42.951.13.434.54.132.15.431.75.920.92.821.02.137.33.554.80.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.92.93.83.70.0.0.0.0.0.0.0.0.30.2
21-40%0.0.0.0.0.0.0.0.0.0.0.0.3.83.80.0.0.0.8.35.69.66.54.21.87.12.82.81.43.30.7
41-60%0.0.11.47.60.0.0.0.0.0.5.15.00.0.7.45.011.95.611.76.34.54.421.73.816.34.09.92.510.91.3
61-80%16.84.413.18.624.121.112.28.110.710.219.810.434.29.922.08.020.36.923.88.69.26.233.84.335.85.118.13.324.11.7
over 80%83.24.475.510.675.921.187.88.189.310.275.111.062.010.170.68.764.98.152.410.076.79.140.34.440.85.269.23.961.41.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.0.0.3.63.50.0.1.21.21.30.71.41.04.91.80.0.3.11.71.10.60.60.51.10.51.40.3
21-40%1.11.10.0.0.0.0.0.0.0.9.22.93.01.13.41.57.12.14.12.83.11.76.51.59.11.63.30.85.00.5
41-60%3.41.90.0.0.0.2.62.60.0.14.93.48.81.86.82.013.82.914.85.213.13.620.02.333.42.69.81.414.90.8
61-80%15.13.70.0.16.18.515.86.59.06.136.14.632.03.220.73.325.53.724.86.327.84.837.52.837.32.726.42.029.31.0
over 80%80.54.1100.0.83.98.578.07.391.06.138.64.254.93.367.63.748.74.156.37.252.95.234.92.819.52.259.32.249.41.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.10.41.70.82.00.91.60.70.80.41.30.91.70.50.90.52.60.90.70.71.60.91.40.51.30.41.40.41.40.2
21-40%2.10.50.40.41.20.71.00.62.60.78.42.03.10.75.91.27.01.48.92.48.52.09.91.211.21.15.70.85.50.3
41-60%7.20.93.11.28.21.66.01.23.00.715.82.514.41.410.81.617.22.218.13.216.72.823.91.728.91.612.91.214.00.4
61-80%20.91.49.92.017.42.518.92.115.21.530.63.232.72.123.12.228.72.628.13.824.83.433.51.935.91.724.21.525.50.5
over 80%68.71.684.82.471.22.772.52.178.41.543.92.848.12.159.42.344.62.744.13.948.43.631.31.822.71.455.81.653.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #874405/340737
NFI4
forest area
landslide/mudflow SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-20%1.30.52.00.92.21.01.50.70.80.41.51.51.50.70.50.50.70.71.31.30.0.2.01.01.20.62.71.11.40.2
21-40%2.30.60.50.51.30.81.10.62.80.77.83.12.61.08.52.18.22.49.43.416.14.214.82.510.71.513.72.35.70.4
41-60%8.61.12.61.28.71.86.81.43.00.723.34.621.12.415.02.721.93.622.04.718.44.628.73.227.92.223.62.814.30.6
61-80%22.01.79.82.217.52.619.32.315.41.624.44.633.12.924.23.234.14.136.45.430.75.529.63.237.92.424.62.924.20.7
over 80%65.91.885.12.570.32.971.32.477.91.643.04.941.73.051.73.535.04.030.95.034.85.524.93.022.22.135.53.154.30.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.92.93.93.90.0.0.0.1.11.10.0.0.50.3
21-40%0.0.0.0.0.0.0.0.0.0.0.0.3.83.80.0.0.0.8.75.89.66.53.41.76.02.62.91.43.00.7
41-60%0.0.11.47.60.0.0.0.0.0.5.15.00.0.7.45.011.95.612.16.54.54.422.53.818.64.28.72.411.11.3
61-80%16.84.413.18.624.121.113.08.510.710.219.810.434.29.922.08.020.36.924.88.99.26.233.84.333.45.017.73.323.81.7
over 80%83.24.475.510.675.921.187.08.589.310.275.111.062.010.170.68.764.98.150.510.276.79.140.34.440.95.270.73.961.61.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.0.0.3.63.50.0.1.21.21.30.71.41.05.01.80.0.3.21.80.70.50.70.51.40.51.40.3
21-40%1.11.10.0.0.0.0.0.0.0.9.12.93.11.13.41.57.22.23.92.73.21.86.21.48.91.63.60.85.00.5
41-60%3.41.90.0.0.0.2.62.60.0.15.63.58.11.86.82.014.03.014.25.013.83.719.92.433.72.610.21.314.90.8
61-80%15.33.70.0.16.18.515.86.59.06.135.84.632.23.220.73.325.93.727.96.427.54.937.32.936.72.725.82.029.11.0
over 80%80.34.1100.0.83.98.578.07.391.06.138.34.255.43.467.63.747.94.254.07.052.25.335.82.820.02.259.12.249.51.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.00.41.80.82.00.91.60.70.80.41.20.91.30.50.90.52.90.91.30.91.50.91.00.41.00.41.50.41.30.1
21-40%2.00.50.40.41.20.71.00.62.60.77.91.92.90.75.71.26.91.47.52.19.22.18.51.19.51.06.10.85.20.3
41-60%7.10.93.21.27.81.66.11.22.80.718.12.614.51.511.01.617.22.117.83.114.62.623.41.729.21.613.51.114.20.4
61-80%20.71.49.72.017.52.518.72.115.11.529.93.132.82.122.62.228.92.631.83.826.73.434.01.937.01.724.21.425.80.5
over 80%69.21.685.02.471.52.772.62.178.61.542.92.748.62.159.82.344.12.741.63.747.93.533.01.823.41.454.71.653.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #874406/340738
NFI4
forest area
landslide/mudflow SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-20%1.40.52.00.92.20.91.50.70.80.41.41.42.10.80.50.50.70.72.41.60.0.2.21.01.80.64.41.31.70.2
21-40%2.40.60.50.51.30.81.10.62.80.78.53.13.21.09.02.110.92.616.54.016.64.018.12.513.91.614.82.27.00.4
41-60%8.61.12.51.19.11.87.11.43.10.822.34.420.72.316.12.623.63.519.44.222.44.729.73.027.72.123.02.614.90.6
61-80%22.31.710.12.217.42.619.52.315.61.625.44.532.82.824.63.132.03.934.55.129.45.127.52.935.12.324.32.724.00.7
over 80%65.31.884.92.570.02.970.82.477.71.642.34.841.32.949.83.432.83.827.34.531.65.122.52.721.41.933.42.952.50.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.92.93.83.70.0.0.0.1.11.10.0.0.50.3
21-40%0.0.0.0.0.0.0.0.0.0.0.0.3.83.80.0.0.0.8.35.69.66.54.21.86.92.72.81.43.30.7
41-60%0.0.11.47.60.0.0.0.0.0.5.15.00.0.7.45.011.95.611.76.34.54.422.33.817.94.09.82.511.31.3
61-80%16.84.413.18.624.121.112.28.110.710.219.810.434.29.922.08.020.36.923.88.69.26.233.54.334.65.017.93.223.91.7
over 80%83.24.475.510.675.921.187.88.189.310.275.111.062.010.170.68.764.98.152.410.076.79.140.04.439.55.069.53.861.11.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.0.0.3.63.50.0.1.21.21.70.81.41.04.91.80.0.3.11.71.10.60.90.51.40.51.50.3
21-40%1.11.10.0.0.0.0.0.0.0.9.12.93.01.13.41.57.12.13.82.63.11.76.51.58.91.63.50.85.00.5
41-60%3.41.90.0.0.0.2.62.60.0.15.63.58.71.86.82.013.82.913.74.913.13.619.92.333.42.610.41.415.00.8
61-80%15.13.70.0.16.18.515.86.59.06.135.84.631.93.120.73.325.53.728.76.327.84.837.32.836.92.625.91.929.21.0
over 80%80.54.1100.0.83.98.578.07.391.06.138.34.254.73.367.63.748.74.153.86.952.95.235.22.819.92.158.72.149.21.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.10.41.70.82.00.91.60.70.80.41.20.91.80.60.80.52.80.91.81.01.40.81.30.51.40.42.00.51.50.2
21-40%2.10.50.40.41.20.71.00.52.60.78.21.93.10.76.11.28.11.511.32.49.62.010.31.211.21.06.60.86.00.3
41-60%7.20.93.11.28.21.66.31.23.00.717.72.614.61.411.71.618.02.116.42.816.22.623.91.728.91.513.81.114.60.4
61-80%20.91.49.92.017.42.518.82.115.21.530.23.132.52.022.82.127.92.531.03.626.53.233.01.835.71.624.21.425.60.5
over 80%68.71.684.82.471.22.772.32.178.41.542.62.747.92.058.62.343.22.639.43.546.23.431.51.822.71.453.31.652.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #874407/340739
NFI4
forest area
landslide/mudflow SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: %
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-20%1.30.52.00.92.20.91.80.80.80.42.51.72.10.91.10.80.70.73.52.00.0.2.31.01.20.54.11.21.70.2
21-40%2.30.60.50.51.30.71.10.62.80.78.33.02.50.98.92.18.12.28.33.015.34.114.02.410.41.512.92.05.70.4
41-60%8.71.12.61.28.61.86.71.43.00.722.44.421.52.414.82.621.73.422.94.518.84.629.23.128.22.223.12.514.70.6
61-80%21.91.79.72.217.72.619.12.215.41.624.54.532.42.823.83.135.53.934.55.130.55.430.73.138.42.425.72.624.50.7
over 80%65.91.885.22.570.22.971.22.377.91.642.44.841.52.951.43.534.03.830.94.735.45.423.72.821.82.034.22.853.40.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.92.83.63.60.0.0.0.1.11.10.0.0.50.3
21-40%0.0.0.0.0.0.0.0.0.0.0.0.3.83.80.0.0.0.8.05.49.06.13.31.66.92.72.71.33.10.7
41-60%0.0.11.47.60.0.0.0.0.0.5.15.00.0.7.45.011.65.411.36.14.24.122.33.819.14.19.62.411.31.3
61-80%16.64.413.18.624.121.112.28.110.710.219.810.434.29.922.08.019.86.723.08.38.65.934.34.333.44.918.83.223.91.7
over 80%83.44.475.510.675.921.187.88.189.310.275.111.062.010.170.68.765.78.054.19.878.18.640.04.439.55.068.93.861.31.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.0.0.3.63.50.0.1.21.21.20.71.41.04.81.70.0.2.71.51.40.70.90.51.50.51.50.3
21-40%1.11.10.0.0.0.0.0.0.0.8.92.83.01.13.21.47.02.13.42.42.71.56.01.49.11.63.60.84.90.5
41-60%3.41.90.0.0.0.2.62.60.0.17.23.68.61.86.62.013.62.914.24.713.93.520.22.333.12.510.71.315.10.8
61-80%15.33.70.0.16.18.515.86.59.06.135.14.531.43.120.73.225.13.624.45.727.04.637.42.836.02.626.11.928.81.0
over 80%80.34.1100.0.83.98.578.07.391.06.137.54.155.83.368.13.649.44.158.06.553.54.934.92.720.92.258.12.149.61.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.00.41.80.82.00.81.90.70.80.41.60.91.60.51.10.62.70.92.31.21.40.81.50.51.10.42.00.51.50.2
21-40%1.90.50.40.41.20.71.00.52.60.78.01.92.80.75.81.26.81.46.61.98.31.98.31.19.51.06.10.85.20.3
41-60%7.20.93.11.27.71.66.01.22.80.718.62.614.91.410.71.617.12.118.22.914.72.523.71.729.21.514.11.114.50.4
61-80%20.61.49.62.017.72.518.52.015.11.529.53.132.02.022.32.129.32.529.43.526.43.234.51.936.91.624.91.425.90.5
over 80%69.21.685.02.471.42.772.62.178.61.542.32.748.72.060.02.344.12.643.53.549.23.432.01.823.31.452.91.552.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #874408/340740
NFI2
forest area
landslide/mudflow SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
n/a0-20%0.90.40.60.21.50.64.10.91.91.41.60.2
21-40%3.40.71.20.35.21.015.81.67.82.65.40.4
41-60%9.61.04.20.618.01.730.12.019.74.013.30.6
61-80%28.31.621.41.334.02.229.21.938.44.827.40.8
over 80%57.91.772.61.441.32.220.81.732.24.752.30.9
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.0.0.1.60.80.90.90.90.4
21-40%1.21.20.0.3.12.29.41.85.62.16.11.0
41-60%1.21.20.0.7.43.217.12.310.62.811.21.3
61-80%37.95.127.68.325.85.437.13.024.53.932.72.0
over 80%59.75.272.48.363.75.934.82.958.44.449.12.1
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.1.10.52.80.60.70.41.60.3
21-40%0.0.0.0.2.60.711.41.14.91.16.70.6
41-60%2.01.43.92.214.41.627.31.620.92.020.30.9
61-80%33.44.825.35.038.32.335.61.732.42.435.11.1
over 80%64.64.870.85.343.52.322.81.541.02.436.31.1
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.80.30.60.21.20.33.00.41.00.41.50.2
21-40%2.80.51.10.33.90.612.60.85.50.95.90.3
41-60%8.00.94.00.615.71.126.61.118.71.515.50.5
61-80%29.71.521.81.235.41.533.71.231.81.930.60.6
over 80%58.71.572.41.343.81.524.11.043.01.946.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 17.06.2020 #874409/340741
NFI4
forest area
landslide/mudflow SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-20%1.40.52.00.92.20.91.80.80.80.42.41.72.70.91.10.70.60.63.01.70.0.2.30.91.70.65.41.31.90.2
21-40%2.40.60.50.51.70.91.10.62.80.79.03.13.01.09.42.111.02.414.43.516.33.817.62.413.81.614.22.07.10.4
41-60%8.71.12.51.18.91.87.01.43.10.821.54.321.62.315.82.623.83.321.94.121.44.431.02.928.22.123.72.515.50.6
61-80%22.21.710.02.217.62.619.32.215.71.625.44.431.82.724.13.032.73.634.04.728.94.828.12.835.32.225.52.524.20.7
over 80%65.31.885.02.569.62.970.82.477.51.641.84.740.92.849.63.331.93.626.74.233.44.921.12.521.01.931.22.751.30.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.92.83.63.60.0.0.0.1.11.10.0.0.50.3
21-40%0.0.0.0.0.0.0.0.0.0.0.0.3.83.80.0.0.0.8.05.49.06.15.02.06.72.63.31.53.50.7
41-60%0.0.11.47.60.0.0.0.0.0.5.15.00.0.7.45.011.65.411.36.14.24.122.03.719.84.110.12.511.51.3
61-80%16.64.413.18.624.121.112.28.110.710.219.810.434.29.922.08.019.86.723.08.38.65.933.74.333.84.918.53.223.81.7
over 80%83.44.475.510.675.921.187.88.189.310.275.111.062.010.170.68.765.78.054.19.878.18.639.34.338.65.068.03.860.71.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.0.0.3.43.40.0.1.21.21.70.81.41.04.81.70.0.2.71.51.40.71.20.61.50.51.60.3
21-40%1.11.10.0.0.0.0.0.0.0.8.92.82.91.13.21.47.02.13.42.32.71.56.31.49.11.53.60.85.00.5
41-60%3.41.90.0.0.0.2.52.50.0.17.23.68.91.86.62.013.62.914.04.613.93.520.42.332.92.510.81.315.30.8
61-80%15.13.70.0.16.18.515.46.39.06.135.14.531.43.120.73.225.13.625.65.827.04.637.42.836.32.626.21.928.91.0
over 80%80.54.1100.0.83.98.578.67.191.06.137.54.155.03.368.13.649.44.157.06.553.54.934.62.720.52.158.02.149.21.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.10.41.70.82.00.81.90.70.80.41.60.92.10.61.10.52.60.82.21.11.30.71.50.51.40.42.50.51.70.2
21-40%2.00.50.40.41.60.81.00.52.60.78.31.93.00.76.21.28.21.510.02.29.21.910.41.211.31.06.80.86.10.3
41-60%7.30.93.11.28.01.66.31.23.00.718.22.615.31.411.41.618.32.117.92.816.22.524.81.629.21.514.71.115.00.4
61-80%20.81.49.92.017.62.518.62.015.41.529.83.131.82.022.62.128.22.429.83.426.03.133.11.835.51.624.81.425.70.5
over 80%68.71.684.92.470.92.772.32.178.21.542.02.747.82.058.72.242.72.540.13.347.43.230.21.722.61.351.31.551.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 06.07.2020 #874410/340742
NFI2
forest area
landslide/mudflow SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
n/a0-20%1.00.40.60.21.60.63.80.83.11.51.60.2
21-40%4.00.71.20.36.11.117.21.511.52.86.50.4
41-60%10.81.14.70.619.01.730.71.822.33.714.70.6
61-80%28.01.621.31.333.42.129.01.836.24.227.20.8
over 80%56.21.772.21.339.92.119.41.526.83.950.00.8
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.0.0.1.40.70.80.80.90.4
21-40%1.21.20.0.3.12.19.81.86.62.16.61.0
41-60%1.21.20.0.7.33.217.62.211.22.711.71.3
61-80%37.15.027.68.326.95.437.12.924.83.732.81.9
over 80%60.65.172.48.362.75.934.12.856.64.348.12.0
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.1.30.52.90.60.90.41.80.3
21-40%0.0.0.0.2.70.712.31.16.91.27.50.6
41-60%1.91.43.92.215.01.627.51.521.31.920.70.9
61-80%32.84.725.05.038.72.234.81.631.82.334.61.1
over 80%65.34.871.25.242.42.222.51.439.12.335.41.1
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.80.30.60.21.40.43.00.41.30.41.60.2
21-40%3.40.61.10.34.30.613.70.87.71.06.80.3
41-60%9.00.94.60.616.41.127.11.019.61.516.40.5
61-80%29.31.421.71.235.41.533.11.131.31.830.30.6
over 80%57.51.572.11.342.51.423.21.040.21.844.80.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 17.06.2020 #874411/340743
NFI2
forest area
landslide/mudflow SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
n/a0-20%0.90.30.60.21.40.53.60.72.71.31.50.2
21-40%4.20.71.20.36.01.016.91.410.12.56.40.4
41-60%11.01.04.70.618.61.630.01.723.03.514.60.6
61-80%27.31.521.91.234.62.030.41.736.84.027.80.7
over 80%56.51.671.71.339.42.019.11.427.43.749.70.8
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.0.0.1.60.70.70.70.90.4
21-40%1.11.10.0.2.61.89.41.66.42.06.30.9
41-60%1.11.10.0.7.53.017.32.111.02.511.61.2
61-80%38.24.930.38.026.65.037.32.724.83.533.01.8
over 80%59.65.069.78.063.35.434.42.657.04.048.21.9
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.1.10.52.70.50.80.41.60.3
21-40%0.0.0.0.2.70.712.01.07.91.27.60.6
41-60%1.81.33.52.016.31.627.31.420.81.820.80.9
61-80%31.94.427.74.838.62.135.01.531.82.134.81.0
over 80%66.34.568.85.041.32.123.11.338.62.235.11.0
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.80.30.50.21.20.32.80.41.20.41.50.2
21-40%3.50.61.10.34.30.613.40.88.11.06.80.3
41-60%9.20.94.50.616.81.026.71.019.31.416.40.4
61-80%28.71.422.51.135.81.433.71.131.41.730.70.6
over 80%57.81.471.41.241.81.323.40.940.11.744.60.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 17.06.2020 #874412/340744
NFI2
forest area
landslide/mudflow SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: production region
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
n/a0-20%1.00.40.70.31.60.54.00.71.90.91.80.2
21-40%4.00.71.20.36.41.115.31.210.32.16.70.4
41-60%10.71.14.70.618.91.728.61.626.73.015.50.6
61-80%28.11.621.31.233.62.029.71.635.83.327.80.8
over 80%56.21.672.11.339.62.122.41.425.43.048.30.8
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.0.0.1.40.70.80.80.80.4
21-40%1.21.20.0.3.12.19.91.86.22.06.61.0
41-60%1.21.20.0.7.33.218.22.312.02.712.21.3
61-80%36.75.026.78.126.95.437.02.825.53.732.71.9
over 80%61.05.173.38.162.75.933.42.755.54.147.72.0
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.1.60.63.10.61.50.52.10.3
21-40%0.0.0.0.2.80.711.81.16.21.07.30.6
41-60%1.91.43.82.214.81.627.51.521.91.821.00.9
61-80%32.84.724.64.937.92.234.61.633.02.134.61.0
over 80%65.34.871.55.142.92.222.91.437.42.135.01.0
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.80.30.60.21.50.43.20.41.50.41.80.2
21-40%3.30.61.10.34.50.613.00.77.20.96.90.3
41-60%8.90.94.50.616.31.126.71.021.51.417.10.5
61-80%29.41.421.61.235.11.432.91.032.51.630.60.6
over 80%57.51.572.11.342.51.424.20.937.41.643.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 17.06.2020 #874413/340745
NFI2
forest area
landslide/mudflow SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: production region
unit: %
unit of evaluation: forest
grid: terrestrial grid NFI2
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
n/a0-20%0.90.30.60.21.40.53.80.61.70.81.70.2
21-40%4.20.71.20.36.31.015.01.29.61.96.60.4
41-60%11.11.04.60.618.51.528.01.526.82.915.40.6
61-80%27.41.521.91.234.71.930.81.535.53.128.20.7
over 80%56.41.571.61.339.21.922.31.326.42.948.10.7
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter0-20%0.0.0.0.0.0.1.60.70.70.70.90.4
21-40%1.11.10.0.2.61.89.61.66.11.96.30.9
41-60%1.11.10.0.7.53.017.92.111.72.512.01.2
61-80%37.84.929.47.826.65.037.22.725.33.432.91.8
over 80%60.05.070.67.863.35.433.82.656.23.947.91.9
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.0.0.0.1.40.52.90.51.40.51.90.3
21-40%0.0.0.0.2.80.711.61.07.21.17.50.5
41-60%1.81.33.41.916.11.527.31.421.71.721.10.8
61-80%31.94.427.44.837.82.034.61.532.62.034.51.0
over 80%66.34.569.24.941.92.023.61.337.22.034.91.0
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.80.30.60.21.30.33.10.41.30.41.70.2
21-40%3.50.61.10.34.50.612.70.77.60.86.90.3
41-60%9.30.94.40.616.71.026.30.921.21.317.00.4
61-80%28.81.322.41.135.61.333.41.032.11.530.80.5
over 80%57.71.471.51.241.91.324.50.937.71.543.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 17.06.2020 #874414/340746
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