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NFI3
forest area
protection forest perimeter SilvaProtect · regeneration cover
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectregeneration cover %± %± %± %± %± %± %±
outside of perimeter< 1%4.00.52.50.84.51.30.0.1.60.81.91.43.40.3
1-9%18.10.928.12.230.02.929.24.136.93.028.94.523.00.8
10-25%25.41.031.72.329.52.936.44.338.03.039.24.928.70.8
26-50%20.81.023.52.120.92.623.53.915.72.318.03.820.80.8
51-75%15.70.99.51.58.81.89.02.65.41.48.02.712.80.6
76-100%16.00.94.81.16.31.51.81.22.30.94.02.011.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeter< 1%4.41.23.50.84.81.23.10.95.91.32.40.73.80.4
1-9%16.52.222.31.827.02.437.22.538.32.638.92.130.50.9
10-25%27.92.637.02.127.02.433.32.430.12.435.92.132.71.0
26-50%28.22.622.71.822.12.319.22.019.72.114.91.620.60.8
51-75%13.72.07.81.211.61.85.61.24.31.15.71.07.70.5
76-100%9.31.76.81.17.61.51.60.61.60.72.10.64.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total< 1%4.00.43.00.64.70.92.30.74.10.82.30.63.60.3
1-9%17.90.824.81.428.31.835.22.137.71.937.21.926.40.6
10-25%25.71.034.61.628.11.934.12.133.41.936.51.930.50.6
26-50%21.80.923.01.421.61.720.31.818.01.515.41.520.70.6
51-75%15.40.88.50.910.41.36.51.14.80.96.11.010.50.4
76-100%15.10.85.90.87.01.11.60.61.90.62.40.68.30.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #858120/324451
NFI4
forest area
protection forest perimeter SilvaProtect · concept of transportation system
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
protection forest perimeter SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
outside of perimeterroad and skidding track56.12.161.03.678.82.974.42.577.51.841.35.617.62.541.93.913.53.68.03.86.14.220.93.730.32.91.91.350.90.9
road and skidding road31.11.929.63.312.92.413.92.014.61.68.43.123.92.818.73.17.32.88.13.94.53.18.12.57.91.727.24.418.60.7
road and cable line3.10.72.21.10.90.62.00.83.70.826.15.026.42.917.13.045.95.430.76.658.78.123.53.838.53.122.34.113.30.6
road and flight path0.0.0.0.0.0.0.0.0.0.6.83.24.41.38.42.114.53.814.55.122.46.732.64.321.82.630.74.66.30.4
no access intended9.61.27.21.87.51.99.71.74.20.917.44.527.72.913.92.718.84.238.67.08.34.714.93.21.50.717.93.810.90.6
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.
inside perimeterroad and skidding track22.73.346.99.954.410.333.46.854.29.019.33.615.22.433.83.66.11.97.03.416.63.811.01.617.12.02.10.614.90.7
road and skidding road50.43.930.29.029.69.430.36.624.27.99.82.821.02.716.72.86.41.93.52.45.82.44.31.13.61.08.81.312.60.7
road and cable line15.42.87.65.13.83.89.94.29.35.149.64.643.83.337.23.659.73.867.56.153.45.141.42.559.82.630.52.041.01.0
road and flight path1.81.00.0.0.0.4.12.93.43.35.32.05.41.47.32.012.82.613.44.416.93.935.42.518.92.148.92.222.40.8
no access intended9.82.315.47.112.26.722.25.98.94.916.03.414.72.45.11.715.02.88.63.77.32.77.91.40.50.49.71.39.10.6
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.
totalroad and skidding track48.81.859.33.476.22.868.72.476.21.827.93.216.41.737.72.68.61.87.52.513.63.013.41.522.61.72.10.634.70.6
road and skidding road35.31.829.73.114.62.416.21.915.11.59.22.122.41.917.62.16.71.55.62.35.51.95.31.05.40.911.81.315.90.5
road and cable line5.80.92.91.21.20.73.10.94.00.840.53.535.02.227.42.455.03.150.94.854.94.337.02.150.92.029.11.825.80.5
road and flight path0.40.20.0.0.0.0.60.40.20.25.91.74.91.07.81.413.42.113.93.418.53.434.72.120.21.646.02.013.60.4
no access intended9.61.18.21.88.01.811.51.74.50.916.52.721.21.99.41.616.32.322.24.07.62.49.61.30.90.411.01.310.10.4
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, 11.07.2020 #858121/324452
NFI4
forest area
protection forest perimeter SilvaProtect · crown closure
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
protection forest perimeter SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
outside of perimetern/a0.80.60.0.0.0.1.40.60.0.5.01.910.510.50.0.1.50.60.0.1.81.00.0.0.0.6.13.42.71.60.0.0.0.2.51.80.0.0.80.80.0.1.10.53.61.40.0.0.50.51.40.2
crowded35.13.153.214.039.99.927.42.142.35.738.34.131.615.919.06.910.81.735.74.626.33.413.63.022.610.319.85.522.53.841.76.727.93.823.04.831.44.822.23.717.26.426.62.215.72.825.811.430.22.926.00.8
normal38.93.214.29.830.98.927.92.134.65.420.23.631.615.913.66.412.21.728.74.333.33.623.83.822.910.623.26.129.34.350.46.836.54.024.04.830.54.818.13.45.43.827.42.38.22.123.210.835.43.126.40.8
loose10.92.10.0.12.77.18.81.313.03.910.22.60.0.3.83.711.91.710.62.99.22.315.33.20.0.0.0.10.53.04.82.616.03.110.63.621.44.32.31.32.52.58.01.46.91.934.911.616.52.510.40.5
open10.42.016.310.72.92.913.41.68.93.39.32.721.114.016.66.917.42.09.82.816.72.915.03.312.48.56.93.510.53.03.22.213.12.816.64.39.02.812.82.912.15.618.62.016.72.911.68.213.02.213.70.6
scattered2.21.08.17.78.86.15.71.11.21.26.72.25.24.98.94.918.22.17.22.53.61.45.02.117.09.317.65.38.42.70.0.3.51.610.53.55.62.421.43.69.85.39.41.529.93.54.54.51.70.89.00.5
grouped crowded0.40.48.17.70.0.4.71.00.0.4.81.90.0.22.67.612.71.80.90.91.81.02.41.312.48.56.43.63.51.70.0.2.91.55.12.50.0.9.72.519.86.83.81.06.21.80.0.0.40.44.60.4
grouped normal0.0.0.0.4.94.93.60.90.0.4.41.80.0.12.55.911.41.72.51.41.91.14.92.06.46.314.45.011.63.10.0.0.0.4.92.42.11.68.32.416.96.41.90.74.61.60.0.1.60.84.40.4
heterogeneous1.30.70.0.0.0.7.11.20.0.1.01.00.0.3.02.93.91.04.62.05.41.820.13.36.46.35.63.21.11.10.0.0.0.2.71.90.0.4.51.816.46.23.20.98.22.10.0.0.80.54.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.7.57.30.0.3.91.00.0.2.61.8..0.0.3.40.80.0.2.62.60.0.6.86.62.12.12.01.10.0.0.0.4.22.40.0.0.60.40.0.0.0.2.30.86.05.90.0.2.30.3
crowded33.815.931.312.258.812.426.72.232.211.025.25.1..32.26.912.31.444.16.542.58.112.87.046.212.328.86.638.33.950.036.154.413.229.15.529.212.735.32.226.76.735.64.719.31.96.05.935.116.826.60.9
normal44.916.718.410.030.411.922.52.140.711.418.84.5..22.56.016.11.631.86.024.96.814.47.915.68.722.96.526.83.50.0.13.29.021.05.050.213.920.31.826.76.633.24.614.81.723.712.227.416.320.70.8
loose21.313.527.812.15.35.38.91.411.97.913.83.9..4.93.311.61.410.34.07.64.229.210.10.0.9.74.67.02.10.0.5.25.19.03.614.810.05.31.08.84.26.52.49.51.436.913.70.0.9.10.6
open0.0.7.57.30.0.15.71.815.28.211.83.7..15.75.017.01.66.83.311.15.327.810.015.38.522.46.16.92.10.0.21.311.110.83.95.75.612.01.59.34.48.22.622.42.17.27.123.815.014.80.7
scattered0.0.0.0.5.45.34.01.00.0.7.33.2..10.14.314.11.50.0.2.62.60.0.11.77.98.34.18.22.250.036.15.95.86.23.00.0.7.71.25.73.15.72.313.51.77.27.113.712.78.80.6
grouped crowded0.0.7.57.30.0.4.61.00.0.15.54.3..8.74.28.61.20.0.0.0.0.0.0.0.2.12.15.51.90.0.0.0.7.83.30.0.9.11.38.13.95.82.33.50.97.27.10.0.6.30.5
grouped normal0.0.0.0.0.0.3.20.90.0.2.51.8..5.83.210.91.40.0.0.0.9.46.40.0.2.12.14.81.70.0.0.0.8.63.30.0.6.71.18.64.22.01.43.70.90.0.0.0.5.50.4
heterogeneous0.0.0.0.0.0.10.41.50.0.2.51.8..0.0.6.01.06.93.48.84.86.36.14.44.41.51.50.60.60.0.0.0.3.32.30.0.2.90.86.23.52.91.711.11.66.05.90.0.5.90.5
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.80.63.93.90.0.2.60.50.0.4.11.410.510.50.0.2.60.50.0.2.01.00.0.3.33.34.22.02.30.90.0.0.0.3.31.50.0.0.60.30.0.0.90.42.70.72.62.60.50.51.80.2
crowded35.13.141.89.646.57.927.11.540.35.033.83.131.615.927.05.111.71.138.63.729.43.213.52.734.08.224.14.031.72.842.06.630.53.725.83.631.14.532.61.922.64.628.52.018.21.617.37.130.42.926.30.6
normal39.13.116.46.930.77.325.41.535.84.919.72.831.615.919.04.514.51.229.73.531.73.222.53.419.46.923.04.427.92.748.86.734.33.722.63.432.94.619.91.617.54.228.72.012.81.423.48.135.23.023.90.5
loose11.32.114.67.010.15.08.91.012.83.511.52.20.0.4.52.511.71.110.52.48.92.017.33.10.0.4.72.38.41.84.62.615.02.99.82.520.64.04.70.96.12.67.71.28.71.235.78.815.92.49.80.4
open10.02.011.76.41.91.914.51.210.23.110.22.221.114.016.04.117.21.38.82.215.62.616.83.213.86.014.43.58.41.83.12.113.92.713.92.98.62.612.21.310.53.516.41.720.61.79.75.713.32.214.20.5
scattered2.10.93.93.77.64.44.90.70.90.96.91.75.24.99.73.215.81.24.71.63.41.34.31.814.46.113.13.48.21.71.51.53.71.58.52.34.92.110.61.27.43.08.61.318.51.65.64.02.10.98.90.4
grouped crowded0.40.47.85.30.0.4.60.70.0.8.51.90.0.14.24.010.21.00.60.61.50.82.01.26.44.54.42.14.71.30.0.2.71.36.42.10.0.9.21.213.13.74.30.94.30.93.13.10.40.45.40.3
grouped normal0.0.0.0.3.23.23.40.60.0.3.71.30.0.8.43.011.11.11.70.91.50.95.52.03.33.38.52.87.61.60.0.0.0.6.62.01.91.47.01.012.13.61.90.64.00.80.0.1.60.84.90.3
heterogeneous1.20.70.0.0.0.8.71.00.0.1.60.90.0.1.21.25.10.75.41.76.11.718.23.05.43.93.61.80.80.60.0.0.0.3.01.50.0.3.20.710.63.43.10.810.21.32.62.60.70.55.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #858122/324453
NFI3
forest area
protection forest perimeter SilvaProtect · regeneration cover
unit of reference: economic region
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
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
economic regionregeneration cover1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%6.1182.1308.315
1-9%20.496.41726.88
10-25%33.879.01442.86
26-50%23.297.11630.37
51-75%16.6104.02120.69
76-100%13.3122.82716.111
total113.3231.47144.81
Eastern Jura< 1%2.2310.0.2.231
1-9%5.9181.3407.116
10-25%9.0141.43710.413
26-50%6.9161.7358.614
51-75%4.8200.4715.219
76-100%11.6120.65812.211
total40.335.41945.72
Western Plateau< 1%1.5370.21001.735
1-9%7.2160.4717.615
10-25%10.9131.73512.611
26-50%10.4132.03112.411
51-75%7.8150.21008.015
76-100%4.2210.4714.620
total42.035.01947.02
Central Plateau< 1%0.9440.21001.141
1-9%11.5120.85012.311
10-25%14.8102.92517.79
26-50%13.6114.02117.69
51-75%10.0131.04410.912
76-100%8.8140.6589.413
total59.539.41369.01
Eastern Plateau< 1%3.6230.0.3.623
1-9%18.990.55719.59
10-25%21.291.04522.38
26-50%19.891.33821.19
51-75%17.0102.13019.19
76-100%19.191.04520.19
total99.626.018105.61
Western Pre-Alps< 1%0.4710.9451.338
1-9%5.0196.71611.711
10-25%4.1226.51710.613
26-50%4.4216.91611.312
51-75%1.7362.3303.922
76-100%0.21001.3381.535
total15.61024.7740.33
Central Pre-Alps< 1%1.0451.6352.728
1-9%11.8128.41520.29
10-25%16.41018.91035.36
26-50%11.71311.51323.28
51-75%4.9203.3248.215
76-100%2.0323.5245.519
total47.9547.2595.12
Eastern Pre-Alps< 1%0.9441.1402.030
1-9%8.3159.81318.19
10-25%10.5139.01419.59
26-50%8.0157.91515.910
51-75%3.2254.3217.516
76-100%2.1312.7274.720
total32.9634.8667.73
Northwestern Alps< 1%0.6580.9451.535
1-9%6.0188.21514.211
10-25%5.31913.71119.09
26-50%2.9265.8188.715
51-75%1.2412.5283.823
76-100%1.6352.3303.922
total17.61033.5651.13
Central Alps< 1%0.6580.4710.944
1-9%3.1243.7216.715
10-25%3.1243.7216.815
26-50%1.4371.9313.323
51-75%0.8491.6352.428
76-100%0.6580.21000.850
total9.51211.51020.95
Northeastern Alps< 1%0.8511.7352.528
1-9%3.4234.0217.414
10-25%1.2414.9196.117
26-50%1.2404.4195.617
51-75%0.4721.6332.130
76-100%0.5582.4302.926
total7.61519.1726.65
Southwestern Alps< 1%0.0.2.3292.329
1-9%7.21627.7734.96
10-25%8.91424.8833.87
26-50%5.81814.31120.19
51-75%2.2304.2216.417
76-100%0.4711.2411.635
total24.5874.5399.02
Southeastern Alps< 1%0.8504.2225.020
1-9%18.71027.1845.85
10-25%19.21021.3940.56
26-50%7.91513.91121.89
51-75%2.8263.1255.818
76-100%1.2411.2412.329
total50.6570.74121.32
Southern Alps< 1%0.4712.5292.826
1-9%5.81840.0645.85
10-25%7.91637.0644.96
26-50%3.62315.41119.010
51-75%1.6355.9187.516
76-100%0.8502.2303.026
total20.19103.03123.12
Switzerland< 1%19.91018.11038.07
1-9%133.04144.93278.02
10-25%166.23156.13322.32
26-50%120.7498.24218.93
51-75%74.9536.67111.44
76-100%66.5522.2988.74
total581.21476.111057.41
© WSL, Swiss National Forest Inventory, 19.06.2020 #858123/324454
NFI4
forest area
protection forest perimeter SilvaProtect · concept of transportation system
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectconcept of transportation system %± %± %± %± %± %± %±
outside of perimeterroad and skidding track68.61.118.71.724.02.215.52.421.72.01.60.843.50.8
road and skidding road21.10.915.31.611.91.78.61.96.21.116.32.316.40.6
road and cable line2.70.429.32.023.42.217.22.531.72.213.02.113.70.5
road and flight path0.0.9.21.318.52.039.93.238.42.329.12.912.30.5
no access intended7.60.627.52.022.22.218.82.62.00.740.03.114.10.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track32.32.713.31.522.12.111.01.518.11.91.70.514.20.7
road and skidding road40.92.913.51.510.31.64.21.03.20.98.71.111.90.6
road and cable line12.11.950.22.146.22.639.42.456.92.426.01.739.20.9
road and flight path2.00.87.71.112.71.736.82.421.32.051.62.024.80.8
no access intended12.71.915.31.58.81.58.51.40.40.312.01.39.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track63.61.016.01.123.01.512.61.319.91.41.70.431.10.5
road and skidding road23.80.914.41.111.11.25.80.94.70.710.81.014.50.4
road and cable line4.00.440.01.534.81.831.41.844.11.722.41.424.40.5
road and flight path0.30.18.40.815.61.338.01.930.01.545.31.717.60.4
no access intended8.30.621.21.315.51.312.21.31.20.419.91.312.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #858124/324455
NFI3
forest area
protection forest perimeter SilvaProtect · degree of cover of assured regeneration
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectdegree of cover of assured regeneration %± %± %± %± %± %± %±
outside of perimeterless than 1%9.80.75.61.111.81.82.81.25.31.32.91.38.20.5
1-4%12.90.816.61.718.32.212.92.519.52.215.22.714.70.6
5-9%15.20.819.31.817.52.221.13.120.72.222.43.217.20.7
10-25%26.61.029.22.125.12.538.03.730.12.528.13.427.80.8
26-50%16.30.920.31.917.12.216.52.815.22.023.13.217.20.7
51-75%12.10.87.01.26.81.57.62.06.11.37.02.09.80.5
76-100%7.10.62.10.73.41.01.20.83.11.01.20.95.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 1%8.81.75.31.010.11.64.21.011.21.64.80.97.00.5
1-4%11.01.813.21.418.42.017.41.921.72.117.01.516.50.7
5-9%14.42.019.41.716.72.024.82.118.31.923.71.720.10.8
10-25%29.82.736.02.128.22.433.52.328.92.233.21.932.10.9
26-50%22.12.415.91.615.71.914.81.815.31.813.21.415.70.7
51-75%9.81.77.61.18.11.44.31.03.91.06.61.06.60.5
76-100%4.01.12.70.72.80.91.00.50.70.41.60.52.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 1%9.70.65.40.710.91.23.80.88.61.04.40.77.70.3
1-4%12.60.714.71.118.41.516.01.520.71.516.61.315.50.5
5-9%15.10.819.31.217.01.523.61.819.41.523.41.518.50.5
10-25%27.01.032.81.526.81.734.92.029.41.732.01.729.70.6
26-50%17.10.817.91.216.31.415.31.515.21.315.31.316.50.5
51-75%11.80.77.30.87.51.05.30.94.90.86.70.98.40.4
76-100%6.60.52.50.53.10.71.10.41.80.51.50.43.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #858125/324456
NFI3
root mass of live trees (Zell, Wutzler)
conifers and broadleaves
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
conifers and broadleaves %± %± %± %± %± %±
conifers57.41.257.41.377.11.186.50.847.62.469.70.6
broadleaves42.61.242.61.322.91.113.50.852.42.430.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #858126/324457
NFI1
total timber volume NFI1
ownership · tree state (alive/dead)
unit of reference: production region
unit: 1000 m³
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
ownershiptree state (alive/dead)1000 m³± %1000 m³± %1000 m³± %1000 m³± %1000 m³± %1000 m³± %
publicalive4656834986744126847422131702552289502
dead535143042259915205474291539205
total4710335017044186747627531745352328702
privatealive176197411414459984216396564491320412
dead3342724717473214462212322162411
total179537413884464714220856576791336652
totalalive6418829100828726629586022266943609911
dead8691355114107212250075521355445
total6505729155928833829836122322143665351
© WSL, Swiss National Forest Inventory, 19.06.2020 #858127/324458
NFI1
total timber volume NFI1
ownership · conifers and broadleaves
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
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
ownershipconifers and broadleaves %± %± %± %± %± %±
publicconifers56.51.562.91.680.71.492.20.668.72.374.80.6
broadleaves43.51.537.11.619.31.47.80.631.32.325.20.6
total100.0.100.0.100.0.100.0.100.0.100.0.
privateconifers57.62.868.01.778.71.479.72.112.93.369.81.0
broadleaves42.42.832.01.721.31.420.32.187.13.330.21.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totalconifers56.81.365.31.279.71.089.40.754.82.373.00.5
broadleaves43.21.334.71.220.31.010.60.745.22.327.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #858128/324459
NFI4
root mass of live trees (Zell, Wutzler)
conifers and broadleaves
unit of reference: canton
unit: 1000 kg/ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
conifers and broadleaves
conifersbroadleavestotal
canton1000 kg/ha± %1000 kg/ha± %1000 kg/ha± %
AG18.8924.6643.34
AI58.51312.92571.49
AR63.81217.11980.99
BE40.3314.4554.72
BL/BS15.41633.8849.36
FR36.7718.8855.64
GE6.75931.62638.324
GL39.51219.41458.97
GR47.034.4951.42
JU28.8723.5752.34
LU41.9514.21056.14
NE42.1611.81053.94
NW29.81715.01944.811
OW45.5911.81657.37
SG41.1620.0761.14
SH22.81227.2950.05
SO18.6927.2645.84
SZ40.5713.91154.45
TG25.51122.6848.15
TI17.4627.2644.64
UR43.4910.01953.47
VD34.2417.1551.33
VS43.234.7947.93
ZG37.51613.72051.211
ZH27.2620.7648.03
Switzerland35.6115.8251.41
© WSL, Swiss National Forest Inventory, 19.06.2020 #858129/324460
NFI3
forest area
protection forest perimeter SilvaProtect · concept of transportation system
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
protection forest perimeter SilvaProtect
outside of perimeterinside perimetertotal
economic regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track75.8414.61190.43
road and skidding road35.7711.01346.75
road and cable line1.4382.8264.221
road and flight path1.0450.21001.241
no access intended6.3183.7239.914
total120.2232.37152.51
Eastern Juraroad and skidding track29.564.02233.55
road and skidding road10.3130.85011.112
road and cable line0.7580.6581.341
road and flight path0.0.0.0.0.0.
no access intended0.7580.0.0.758
total41.235.41946.62
Western Plateauroad and skidding track34.053.32437.34
road and skidding road9.0141.53810.413
road and cable line0.0.0.0.0.0.
road and flight path0.21000.0.0.2100
no access intended1.5370.4711.933
total44.735.21949.92
Central Plateauroad and skidding track47.946.01753.93
road and skidding road12.0122.32814.310
road and cable line0.21000.8501.045
road and flight path0.0.0.0.0.0.
no access intended0.8500.4701.240
total60.929.41370.31
Eastern Plateauroad and skidding track79.433.72383.13
road and skidding road18.691.73320.39
road and cable line2.2300.21002.429
road and flight path0.0.0.0.0.0.
no access intended1.9320.4712.329
total102.116.018108.11
Western Pre-Alpsroad and skidding track6.3176.01812.311
road and skidding road3.4245.0208.415
road and cable line5.21912.21217.49
road and flight path1.2451.5392.729
no access intended2.1311.6333.722
total18.2926.2644.43
Central Pre-Alpsroad and skidding track19.01014.21133.27
road and skidding road12.91213.01225.88
road and cable line13.11216.61029.67
road and flight path4.5204.2218.814
no access intended2.2301.0453.125
total51.6549.05100.62
Eastern Pre-Alpsroad and skidding track17.51012.41129.97
road and skidding road7.9158.71516.610
road and cable line6.21712.61118.89
road and flight path2.8271.3384.121
no access intended2.2302.2304.421
total36.6637.2573.82
Northwestern Alpsroad and skidding track7.2166.91614.111
road and skidding road1.9311.8333.723
road and cable line6.91719.0925.97
road and flight path4.1222.3306.417
no access intended4.8206.11810.813
total24.9836.0560.93
Central Alpsroad and skidding track2.0311.0443.025
road and skidding road0.9451.6352.527
road and cable line2.5276.4158.912
road and flight path3.3243.1246.416
no access intended4.0211.1405.219
total12.71013.3926.04
Northeastern Alpsroad and skidding track2.2293.9226.117
road and skidding road0.6591.7332.329
road and cable line2.3298.81311.111
road and flight path1.1451.7332.826
no access intended3.6224.6208.214
total9.81320.7730.64
Southwestern Alpsroad and skidding track7.71612.81220.59
road and skidding road2.2303.9226.118
road and cable line7.31630.0737.26
road and flight path7.81616.91024.78
no access intended10.31415.91026.28
total35.3779.53114.82
Southeastern Alpsroad and skidding track14.5118.61523.09
road and skidding road6.3177.21613.512
road and cable line22.0946.1568.14
road and flight path5.4196.51712.013
no access intended16.91012.11229.08
total65.1580.54145.62
Southern Alpsroad and skidding track6.41711.81318.210
road and skidding road1.0454.6215.619
road and cable line4.32128.8733.17
road and flight path1.6359.51411.113
no access intended20.3965.5485.84
total33.67120.12153.72
Switzerlandroad and skidding track349.52109.04458.51
road and skidding road122.8464.75187.53
road and cable line74.25184.93259.02
road and flight path33.0847.3680.35
no access intended77.55114.84192.43
total657.01520.711177.71
© WSL, Swiss National Forest Inventory, 19.06.2020 #858130/324461
NFI3
forest area
protection forest perimeter SilvaProtect · cause of salvage logging
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
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
protection forest perimeter SilvaProtectcause of salvage logging %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
outside of perimetern/a66.53.034.59.550.47.932.51.763.55.036.13.3100.0.28.45.532.11.745.93.956.73.655.64.341.49.232.95.026.72.977.65.675.03.541.14.458.14.615.71.628.95.660.32.321.71.839.78.263.83.040.30.6
insects8.81.80.0.3.23.25.40.84.42.28.72.10.0.4.42.51.30.46.11.99.02.02.21.33.63.53.01.87.21.712.14.44.91.73.31.68.32.70.20.24.22.46.71.21.70.62.82.89.11.94.60.3
fungi0.40.40.0.0.0.0.30.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.50.50.10.0
windthrow18.32.411.16.25.03.712.61.28.93.018.92.80.0.1.31.31.00.411.92.514.42.524.13.63.83.714.23.76.51.67.23.59.12.38.32.520.33.90.0.1.31.37.91.30.20.211.55.320.82.58.60.4
snow load0.0.0.0.0.0.0.20.20.0.1.10.80.0.1.31.31.90.50.0.1.00.70.70.70.0.0.0.0.0.0.0.0.80.80.0.1.21.20.0.0.0.0.20.20.0.0.0.0.80.60.50.1
avalanches0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.30.20.0.0.0.0.0.0.0.0.0.0.40.40.0.0.0.0.0.0.0.0.0.2.82.00.0.0.40.30.0.0.0.0.20.1
landslides0.0.0.0.3.23.20.10.10.0.0.0.0.0.0.0.0.60.30.0.0.0.0.0.0.0.0.0.0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.20.1
flooding0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.00.0
forest fire0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.00.0
loss of vitality1.70.90.0.3.23.20.50.33.52.00.50.50.0.0.0.0.10.11.20.80.0.2.51.50.0.0.0.0.0.0.0.0.50.50.0.0.0.0.0.0.0.0.70.40.40.30.0.1.70.80.60.1
others0.40.40.0.0.0.0.10.10.0.0.0.0.0.0.0.0.30.20.0.0.0.0.70.70.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.90.40.20.20.0.0.0.0.20.1
total96.11.345.59.965.07.051.81.880.34.265.33.2100.0.35.55.837.51.865.13.781.12.885.82.948.79.150.15.441.23.296.92.190.32.452.84.587.83.116.31.637.25.976.92.024.81.954.08.996.61.255.20.6
inside perimetern/a3.91.336.39.624.36.233.71.717.54.023.92.90.0.56.06.055.41.826.53.414.22.510.62.637.47.931.64.948.63.21.51.58.62.337.14.39.72.881.61.755.16.019.11.970.02.015.46.32.21.037.90.6
insects0.0.0.0.6.94.14.20.71.01.04.51.40.0.3.92.22.40.60.0.2.21.11.20.90.0.5.52.45.71.50.0.0.60.64.61.80.0.1.00.53.12.21.30.52.40.70.0.0.50.52.40.2
fungi0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
windthrow0.0.7.05.01.91.98.31.01.31.35.21.60.0.4.62.61.90.57.82.12.61.11.81.013.96.29.33.22.81.11.51.50.50.54.71.91.81.30.60.34.62.72.00.61.40.530.68.80.40.43.40.2
snow load0.0.0.0.1.91.90.0.0.0.0.50.50.0.0.0.1.30.40.0.0.0.0.0.0.0.1.21.20.70.50.0.0.0.0.80.80.70.70.40.30.0.0.20.20.60.40.0.0.30.30.40.1
avalanches0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.60.30.0.0.0.0.0.0.0.0.0.0.90.70.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.1
landslides0.0.0.0.0.0.0.50.20.0.0.60.60.0.0.0.0.30.20.0.0.0.0.0.0.0.2.31.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.50.30.20.20.0.0.0.0.20.1
flooding0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
forest fire0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.00.0
loss of vitality0.0.11.16.30.0.1.10.40.0.0.0.0.0.0.0.0.10.10.60.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.30.0.0.0.0.30.1
others0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.40.20.0.0.0.0.60.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.0
total3.91.354.59.935.07.048.21.819.74.234.73.20.0.64.55.862.51.834.93.718.92.814.22.951.39.149.95.458.83.23.12.19.72.447.24.512.23.183.71.662.85.923.12.075.21.946.08.93.41.244.80.6
totaln/a70.32.970.89.174.76.966.21.781.04.160.03.4100.0.84.44.487.51.272.43.570.93.266.24.078.77.464.55.175.32.879.25.583.63.078.33.667.74.197.40.783.94.579.41.991.71.255.19.265.92.978.20.5
insects8.81.80.0.10.15.09.61.05.42.413.22.50.0.8.43.33.70.76.11.911.22.33.51.63.63.58.62.912.92.212.14.45.51.87.92.48.32.71.20.57.33.28.01.34.00.92.82.89.51.96.90.3
fungi0.40.40.0.0.0.0.40.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.50.50.10.0
windthrow18.32.418.17.66.94.120.81.410.23.224.13.00.0.5.92.92.90.619.73.117.02.725.93.717.76.723.54.69.31.98.73.89.62.413.13.022.14.10.60.35.92.99.81.41.60.642.29.221.22.611.90.4
snow load0.0.0.0.1.91.90.20.20.0.1.61.00.0.1.31.33.30.70.0.1.00.70.70.70.0.1.21.20.70.50.0.0.80.80.80.81.91.40.40.30.0.0.50.30.60.40.0.1.20.71.00.1
avalanches0.0.0.0.0.0.0.30.20.0.0.0.0.0.0.0.0.80.30.0.0.0.0.0.0.0.0.0.1.30.80.0.0.0.0.0.0.0.0.0.2.82.00.0.0.40.30.0.0.0.0.30.1
landslides0.0.0.0.3.23.20.60.30.0.0.60.60.0.0.0.0.80.30.0.0.0.0.0.0.0.2.31.60.40.40.0.0.0.0.0.0.0.0.0.0.0.0.70.40.20.20.0.0.0.0.40.1
flooding0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.00.0
forest fire0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.20.20.0.0.0.0.00.0
loss of vitality1.70.911.16.33.23.21.60.43.52.00.50.50.0.0.0.0.30.21.81.00.0.2.51.50.0.0.0.0.0.0.0.0.50.50.0.0.0.0.0.0.0.0.70.40.80.40.0.1.70.80.90.1
others0.40.40.0.0.0.0.20.20.0.0.0.0.0.0.0.0.70.30.0.0.0.1.20.90.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.90.40.20.20.0.0.0.0.30.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #858132/324463
NFI2
forest area
protection forest perimeter SilvaProtect · cause of salvage logging
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
protection forest perimeter SilvaProtectcause of salvage logging %± %± %± %± %± %±
outside of perimetern/a63.41.664.71.434.81.526.51.116.01.541.50.6
insects4.90.73.20.52.10.50.90.20.0.2.20.2
fungi0.50.21.30.30.10.10.10.10.0.0.40.1
windthrow6.60.813.91.07.40.84.20.50.0.6.80.3
snow load0.0.0.40.20.50.21.40.30.0.0.60.1
avalanches0.0.0.0.0.0.0.30.10.0.0.10.0
landslides0.0.0.50.20.20.10.10.10.0.0.20.1
flooding0.0.0.0.0.0.0.0.0.0.0.0.
forest fire0.10.10.0.0.0.0.0.0.20.20.00.0
loss of vitality4.70.76.40.72.30.50.60.20.20.22.80.2
others0.20.20.30.20.20.10.10.10.0.0.20.1
total80.41.390.70.947.61.634.21.216.31.554.90.6
inside perimetern/a15.31.17.20.839.81.551.61.280.61.636.90.6
insects1.70.40.30.21.50.42.10.40.50.31.30.2
fungi0.10.10.20.10.10.10.0.0.0.0.10.0
windthrow0.90.30.90.38.00.98.20.71.00.44.50.3
snow load0.0.0.20.10.40.21.80.30.50.30.70.1
avalanches0.0.0.0.0.0.0.20.10.30.20.10.0
landslides0.0.0.10.10.40.20.20.10.20.20.20.1
flooding0.0.0.0.0.0.0.0.0.20.20.00.0
forest fire0.0.0.0.0.0.0.10.10.20.20.00.0
loss of vitality1.60.40.40.21.90.41.10.30.0.1.10.1
others0.0.0.0.0.20.10.40.20.30.20.20.1
total19.61.39.30.952.41.665.81.283.71.545.10.6
totaln/a78.71.371.91.374.61.478.21.096.60.778.40.6
insects6.60.83.50.53.70.63.00.40.50.33.60.3
fungi0.60.31.50.40.20.10.10.10.0.0.50.1
windthrow7.50.914.81.115.51.112.40.81.00.411.30.4
snow load0.0.0.60.20.90.33.20.40.50.31.30.2
avalanches0.0.0.0.0.0.0.40.20.30.20.20.1
landslides0.0.0.50.20.60.20.20.10.20.20.30.1
flooding0.0.0.0.0.0.0.0.0.20.20.00.0
forest fire0.10.10.0.0.0.0.10.10.30.20.10.0
loss of vitality6.30.86.80.84.20.61.70.30.20.23.90.3
others0.20.20.30.20.40.20.60.20.30.20.40.1
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #858133/324464
NFI4
forest area
protection forest perimeter SilvaProtect · cause of salvage logging
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/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 SilvaProtectcause of salvage logging %± %± %± %± %± %± %±
outside of perimetern/a72.21.039.11.638.92.023.21.939.42.015.51.447.80.6
insects5.60.53.20.61.60.50.20.20.50.30.0.3.00.2
fungi1.30.30.0.0.20.20.0.0.0.0.0.0.50.1
windthrow3.60.40.90.30.90.40.60.30.60.30.50.31.80.2
snow load1.00.20.20.21.00.40.40.31.20.40.20.20.80.1
avalanches0.0.0.0.0.0.0.0.0.0.0.0.0.0.
landslides0.0.0.20.10.20.20.0.0.0.0.0.0.10.0
flooding0.0.0.0.0.0.0.0.0.0.0.0.0.0.
forest fire0.0.0.0.0.0.0.0.0.0.0.0.0.0.
loss of vitality2.00.30.0.0.30.20.20.20.0.0.20.20.80.1
others0.30.10.10.10.0.0.20.20.0.0.0.0.10.1
total86.00.843.71.643.12.024.81.941.72.016.31.554.90.6
inside perimetern/a12.40.750.91.650.42.171.02.054.32.081.41.641.70.6
insects0.60.22.50.52.50.70.0.1.00.40.50.31.10.1
fungi0.00.00.0.0.20.20.0.0.0.0.0.0.00.0
windthrow0.50.12.40.51.60.51.40.51.70.50.50.31.20.1
snow load0.10.10.20.21.20.51.50.51.30.50.90.40.60.1
avalanches0.0.0.0.0.0.0.20.20.0.0.30.20.10.0
landslides0.10.10.10.10.40.30.0.0.0.0.0.0.10.0
flooding0.0.0.0.0.0.0.20.20.0.0.0.0.00.0
forest fire0.0.0.0.0.0.0.0.0.0.0.0.0.0.
loss of vitality0.20.10.20.20.50.30.80.40.0.0.0.0.30.1
others0.0.0.0.0.0.0.20.20.0.0.0.0.00.0
total14.00.856.31.656.92.075.21.958.32.083.71.545.10.6
totaln/a84.60.889.91.089.31.394.21.193.61.097.00.789.40.4
insects6.20.55.70.84.20.80.20.21.60.50.50.34.10.3
fungi1.40.30.0.0.40.30.0.0.0.0.0.0.60.1
windthrow4.10.43.30.62.50.62.00.62.30.61.00.43.00.2
snow load1.20.20.40.22.20.61.90.62.50.61.10.41.40.2
avalanches0.0.0.0.0.0.0.20.20.0.0.30.20.10.0
landslides0.10.10.30.20.60.30.0.0.0.0.0.0.20.1
flooding0.0.0.0.0.0.0.20.20.0.0.0.0.00.0
forest fire0.0.0.0.0.0.0.0.0.0.0.0.0.0.
loss of vitality2.20.30.20.20.80.41.00.50.0.0.20.21.10.1
others0.30.10.10.10.0.0.40.30.0.0.0.0.20.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #858134/324465
NFI4
forest area
protection forest perimeter SilvaProtect · stand stability
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
protection forest perimeter SilvaProtectstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetercritical2.8275.9185.4197.7161.04522.89
less stable50.3685.0443.6645.769.614234.33
stable100.13110.1347.7655.869.514323.32
total153.22201.0196.84109.3420.19580.41
inside perimetercritical0.4710.4716.91716.0117.21630.98
less stable13.81210.71354.15100.8460.04239.32
stable23.199.51445.5693.0435.86206.93
total37.3720.59106.53209.92103.03477.11
totalcritical3.2256.31712.31323.898.21553.76
less stable64.1595.7497.74146.5369.64473.72
stable123.33119.5393.24148.8345.36530.21
total190.51221.51203.31319.11123.121057.51
© WSL, Swiss National Forest Inventory, 19.06.2020 #858135/324466
NFI3
forest area
protection forest perimeter SilvaProtect · cause of salvage logging
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectcause of salvage logging %± %± %± %± %± %±
outside of perimetern/a62.31.558.51.434.61.533.71.121.31.441.90.6
insects6.20.89.40.94.10.62.10.30.10.14.30.3
fungi0.0.0.40.20.0.0.0.0.0.0.10.0
windthrow10.31.020.71.29.50.91.10.20.10.17.90.3
snow load0.20.10.70.20.20.10.80.20.0.0.50.1
avalanches0.0.0.0.0.0.0.60.20.0.0.20.1
landslides0.0.0.20.10.20.10.20.10.0.0.10.0
flooding0.0.0.0.0.0.0.10.10.0.0.00.0
forest fire0.0.0.0.0.0.0.0.0.10.10.00.0
loss of vitality1.50.40.80.30.20.10.30.10.0.0.50.1
others0.40.20.30.20.0.0.20.10.10.10.20.1
total80.91.290.90.848.71.539.01.121.81.555.70.6
inside perimetern/a15.81.17.00.734.71.453.91.176.41.537.70.5
insects0.50.21.00.34.80.62.90.40.80.32.20.2
fungi0.0.0.0.0.10.10.0.0.0.0.00.0
windthrow2.60.50.90.39.30.92.20.30.40.23.10.2
snow load0.10.10.10.10.60.20.80.20.30.20.40.1
avalanches0.0.0.0.0.0.0.40.10.0.0.10.0
landslides0.0.0.10.10.80.30.30.10.10.10.30.1
flooding0.0.0.0.0.0.0.10.10.0.0.00.0
forest fire0.0.0.0.0.0.0.10.10.10.10.00.0
loss of vitality0.10.10.0.1.00.30.20.10.0.0.30.1
others0.10.10.0.0.0.0.20.10.0.0.10.0
total19.11.29.10.851.31.561.01.178.21.544.30.6
totaln/a78.01.365.51.469.31.487.60.897.80.579.60.5
insects6.70.810.40.98.90.95.00.50.90.36.50.3
fungi0.0.0.40.20.10.10.0.0.0.0.10.0
windthrow12.91.121.61.218.81.23.40.40.50.311.00.4
snow load0.30.20.80.30.80.31.60.30.30.20.90.1
avalanches0.0.0.0.0.0.1.00.20.0.0.30.1
landslides0.0.0.30.20.90.30.50.20.10.10.40.1
flooding0.0.0.0.0.0.0.10.10.0.0.00.0
forest fire0.0.0.0.0.0.0.10.10.30.20.10.0
loss of vitality1.60.40.80.31.20.30.50.20.0.0.80.1
others0.50.20.30.20.0.0.40.10.10.10.30.1
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #858136/324467
NFI2
forest area
protection forest perimeter SilvaProtect · cause of salvage logging
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectcause of salvage logging %± %± %± %± %± %± %±
outside of perimetern/a64.51.034.31.531.91.823.61.834.31.818.41.542.50.6
insects3.90.41.90.42.30.60.40.30.40.20.0.2.20.2
fungi0.90.20.10.10.0.0.0.0.20.20.0.0.40.1
windthrow10.50.75.60.78.01.12.30.74.20.80.0.6.50.3
snow load0.20.10.40.20.30.20.20.23.20.70.0.0.60.1
avalanches0.0.0.30.20.0.0.0.0.10.10.0.0.10.0
landslides0.20.10.20.10.0.0.0.0.30.20.0.0.20.1
flooding0.0.0.0.0.0.0.0.0.0.0.0.0.0.
forest fire0.00.00.0.0.0.0.0.0.0.0.10.10.00.0
loss of vitality5.50.51.90.41.30.50.50.30.60.30.10.12.70.2
others0.30.10.30.20.0.0.20.20.30.20.0.0.20.1
total86.20.745.01.643.82.027.21.943.61.918.71.555.40.6
inside perimetern/a10.80.742.31.641.01.962.22.143.51.978.51.636.70.6
insects0.90.21.30.42.30.61.90.62.00.50.40.31.30.1
fungi0.10.10.0.0.10.10.0.0.0.0.0.0.10.0
windthrow0.90.28.40.910.31.26.71.15.30.90.90.34.30.3
snow load0.10.10.20.10.50.30.0.4.20.80.40.20.70.1
avalanches0.0.0.0.0.30.20.0.0.10.10.30.20.10.0
landslides0.00.00.30.20.20.20.0.0.40.30.10.10.20.1
flooding0.0.0.0.0.0.0.0.0.0.0.10.10.00.0
forest fire0.0.0.0.0.0.0.20.20.0.0.10.10.00.0
loss of vitality1.00.22.30.50.80.41.60.50.60.30.0.1.10.1
others0.0.0.10.10.60.30.30.20.30.20.30.20.20.1
total13.80.755.01.656.22.072.81.956.41.981.31.544.60.6
totaln/a75.30.976.61.372.91.885.81.577.81.697.00.779.20.5
insects4.80.53.20.64.60.82.30.62.40.60.40.33.50.2
fungi1.10.20.10.10.10.10.0.0.20.20.0.0.50.1
windthrow11.30.714.01.118.31.58.91.29.51.10.90.310.90.4
snow load0.30.10.60.30.80.40.20.27.51.00.40.21.30.1
avalanches0.0.0.30.20.30.20.0.0.30.20.30.20.20.1
landslides0.30.10.50.20.20.20.0.0.80.30.10.10.30.1
flooding0.0.0.0.0.0.0.0.0.0.0.10.10.00.0
forest fire0.00.00.0.0.0.0.20.20.0.0.30.20.10.0
loss of vitality6.50.54.20.62.10.62.10.61.20.40.10.13.80.3
others0.30.10.40.20.60.30.50.30.60.30.30.20.40.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #858137/324468
NFI3
forest area
protection forest perimeter SilvaProtect · main type of harvest
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
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectmain type of harvest %± %± %± %± %± %±
outside of perimeterskidder77.31.570.91.461.42.233.42.024.14.362.30.9
forwarder19.91.427.11.45.31.04.90.911.13.116.80.7
mobile tower yarder1.20.41.10.311.51.414.81.53.91.95.50.4
cable crane0.40.20.50.211.11.419.11.714.53.56.20.4
helicopter0.80.30.20.110.11.427.01.945.45.08.60.5
others0.40.20.30.20.60.40.70.40.90.90.50.1
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterskidder70.53.380.03.950.92.221.71.312.21.432.50.9
forwarder13.72.513.43.33.80.81.50.42.70.73.80.4
mobile tower yarder7.41.93.71.819.01.722.71.37.41.216.60.8
cable crane4.21.41.91.317.31.628.21.423.91.921.80.8
helicopter1.60.91.00.98.11.224.31.352.72.224.10.8
others2.61.20.0.1.00.41.50.41.00.41.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totalskidder76.01.471.71.355.91.525.71.114.21.448.90.6
forwarder18.71.325.81.34.50.72.70.44.10.810.90.4
mobile tower yarder2.40.51.30.315.41.120.01.06.91.010.50.4
cable crane1.10.30.60.214.41.125.11.122.31.713.30.4
helicopter1.00.30.30.29.00.925.31.151.52.015.60.5
others0.80.30.30.20.80.31.20.31.00.40.80.1
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #858138/324469
NFI3
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
outside of perimeterless than 10 years ago59.21.019.61.218.51.57.21.111.41.13.00.628.60.5
11-20 years ago13.90.78.10.98.31.12.80.77.40.92.90.68.80.4
21-30 years ago7.80.65.40.75.80.95.40.96.60.94.50.76.30.3
31-40 years ago2.50.34.10.62.60.63.00.74.70.73.20.63.20.2
41-50 years ago1.10.21.80.42.30.64.20.83.40.62.60.52.20.2
over 50 years ago1.70.38.30.910.41.210.91.316.11.310.21.07.80.3
total86.20.747.41.647.91.933.51.849.71.726.41.456.90.6
inside perimeterless than 10 years ago7.30.624.51.421.91.613.21.414.41.27.20.913.40.4
11-20 years ago2.40.39.70.910.41.18.81.111.51.15.80.86.80.3
21-30 years ago1.80.35.70.75.80.96.61.06.80.97.60.94.90.3
31-40 years ago0.70.24.20.64.50.86.01.03.80.75.70.83.40.2
41-50 years ago0.50.22.80.52.90.67.91.12.60.66.40.83.00.2
over 50 years ago1.10.25.80.76.60.924.01.711.21.140.91.711.70.4
total13.80.752.61.652.11.966.51.850.31.773.61.443.10.6
totalless than 10 years ago66.51.044.11.640.41.920.41.625.81.510.21.042.00.6
11-20 years ago16.30.817.91.218.71.511.51.318.91.48.71.015.60.5
21-30 years ago9.60.611.11.011.61.212.01.313.41.212.11.111.20.4
31-40 years ago3.20.48.30.97.11.09.01.28.51.08.91.06.60.3
41-50 years ago1.70.34.60.65.20.812.11.36.10.89.01.05.20.3
over 50 years ago2.70.414.11.117.01.435.01.927.41.551.11.719.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #858139/324470
NFI2
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI2
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a21.5917.31016.21011.21221.5919.09106.64
less than 10 years ago231.9236.5723.986.51618.293.124320.02
11-20 years ago76.3421.3912.0124.22012.0123.123129.03
21-30 years ago21.298.1154.7193.5225.0192.03044.56
31-40 years ago7.3154.4201.6332.4273.6222.52721.89
41-50 years ago2.4273.1242.1291.8312.0302.52713.911
over 50 years ago6.4179.6136.3166.91613.0119.51351.76
total367.01100.3366.9436.4675.2441.76687.51
inside perimetern/a4.02111.11311.21211.1129.91327.4874.65
less than 10 years ago26.4845.5627.3716.01026.0813.111154.33
11-20 years ago12.51224.7816.11010.01316.31010.81290.44
21-30 years ago4.71913.3117.6159.9137.4159.41352.36
31-40 years ago3.1235.4185.1189.8136.31610.01339.76
41-50 years ago2.1293.8222.9247.2153.72215.11034.97
over 50 years ago4.8198.4146.71617.0911.21241.7689.94
total57.65112.3376.8381.0381.03127.42536.11
totaln/a25.4828.4827.4822.3831.4746.36181.23
less than 10 years ago258.3282.0451.2522.5844.2516.110474.31
11-20 years ago88.8446.0628.1714.21028.3714.011219.43
21-30 years ago25.9821.4912.31113.41112.41211.41296.84
31-40 years ago10.4139.9136.71612.2119.91312.41161.55
41-50 years ago4.5206.9165.0189.0135.81717.6948.86
over 50 years ago11.21218.01013.01124.0824.2851.25141.63
total424.61212.61143.72117.42156.22169.211223.60
© WSL, Swiss National Forest Inventory, 19.06.2020 #858140/324471
NFI2
forest area
protection forest perimeter SilvaProtect · percentage of salvage logging
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectpercentage of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimetern/a123.9347.1627.6818.41032.1717.310266.42
0%140.2313.8127.3162.7266.6172.529173.03
1-50%37.676.1182.3300.8502.2300.0.49.06
over 50%52.6614.51112.6122.6289.6140.47192.34
total354.3181.4449.7524.5850.6520.19580.61
inside perimetern/a30.4859.9540.1659.6446.1591.83327.82
0%14.81121.097.4163.9227.1167.41661.56
1-50%6.2188.9154.6212.0323.2250.85025.69
over 50%6.51715.31113.5129.11414.3112.92661.55
total57.85105.0365.5474.5370.74103.03476.51
totaln/a154.33106.9367.6478.0378.34109.12594.21
0%154.9334.7714.7116.61713.7129.914234.52
1-50%43.7615.0116.8172.8275.5190.85074.65
over 50%59.1529.7826.1811.61323.983.324153.83
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #858141/324472
NFI3
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimeterless than 10 years ago94.03157.8253.2641.574.820351.32
11-20 years ago31.4728.8818.41024.093.623106.24
21-30 years ago20.9912.71212.51219.9104.32170.35
31-40 years ago7.1163.7237.11712.2132.82732.98
41-50 years ago2.8271.9322.8278.6152.42918.510
over 50 years ago4.9202.62812.61241.2715.71177.05
total161.02207.61106.53147.4333.67656.11
inside perimeterless than 10 years ago19.01012.41258.8562.6512.013164.83
11-20 years ago5.8184.42119.61043.969.61483.15
21-30 years ago6.0181.63512.31326.4812.31258.56
31-40 years ago2.4290.6587.71620.5108.71539.97
41-50 years ago1.7330.6584.22119.2109.71435.47
over 50 years ago3.3241.2419.61458.1567.94140.03
total38.1620.79112.23230.72120.12521.81
totalless than 10 years ago113.03170.22112.03104.1416.710516.01
11-20 years ago37.2733.1738.0767.8513.112189.33
21-30 years ago26.9814.31124.7946.3616.610128.94
31-40 years ago9.5144.32114.81132.7811.51372.85
41-50 years ago4.5212.5287.01727.7812.21253.96
over 50 years ago8.2153.72322.2999.3483.54217.03
total199.21228.31218.71378.01153.721177.91
© WSL, Swiss National Forest Inventory, 19.06.2020 #858142/324473
NFI3
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
outside of perimeterless than 10 years ago248.9239.3625.788.21417.7104.520344.32
11-20 years ago59.6515.9109.8133.92112.0123.223104.34
21-30 years ago36.0711.0137.2155.31810.4134.61974.55
31-40 years ago10.7137.6154.0213.8225.3182.92534.27
41-50 years ago5.1183.2242.3283.2232.7262.22918.710
over 50 years ago7.91514.01110.41312.41217.01015.51077.25
total368.1191.1459.4536.8665.1432.87653.31
inside perimeterless than 10 years ago31.4751.6530.8715.81023.5813.611166.73
11-20 years ago9.81321.2914.31010.21317.698.71481.84
21-30 years ago7.71512.5128.1147.71511.01211.91258.95
31-40 years ago2.8258.8145.9177.3156.0178.81439.67
41-50 years ago2.1296.5163.7229.0133.5229.91334.87
over 50 years ago4.62012.4128.81427.9718.5967.24139.43
total58.45113.1371.6477.9380.03120.12521.21
totalless than 10 years ago280.3291.0456.5524.0841.3618.09511.01
11-20 years ago69.4537.1624.0814.01129.6711.912186.13
21-30 years ago43.7623.5815.31013.01121.4916.510133.43
31-40 years ago13.51116.4109.91311.11211.21211.71273.95
41-50 years ago7.3159.7136.01712.2116.21712.11253.56
over 50 years ago12.51226.4819.3940.3635.5682.73216.62
total426.61204.21131.02114.72145.12152.921174.50
© WSL, Swiss National Forest Inventory, 19.06.2020 #858143/324474
NFI3
forest area
protection forest perimeter SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: accessible forest
grid: terrestrial grid NFI3
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
outside of perimeterless than 10 years ago57.41.675.51.248.62.122.01.311.12.049.20.8
11-20 years ago18.91.314.01.016.81.514.11.110.72.015.40.6
21-30 years ago14.11.26.50.712.81.413.51.117.32.411.70.5
31-40 years ago4.20.71.90.47.01.010.00.911.62.05.90.4
41-50 years ago2.00.50.90.32.50.68.10.99.21.83.80.3
over 50 years ago3.40.61.20.312.41.332.31.540.13.114.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 10 years ago50.23.560.14.551.22.027.01.210.91.231.40.8
11-20 years ago15.92.518.43.518.21.518.41.17.11.015.50.7
21-30 years ago14.42.410.82.810.71.211.90.910.31.111.40.6
31-40 years ago5.71.63.31.66.41.09.20.87.71.07.80.5
41-50 years ago4.21.42.51.44.20.88.00.88.71.16.90.5
over 50 years ago9.52.05.02.09.31.125.41.255.31.927.10.8
total100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 10 years ago56.01.574.01.250.01.424.80.910.91.041.50.5
11-20 years ago18.41.214.41.017.51.116.50.88.00.915.40.4
21-30 years ago14.11.06.90.711.70.912.60.712.21.111.60.4
31-40 years ago4.50.62.00.46.70.79.50.68.70.96.70.3
41-50 years ago2.40.51.10.33.40.58.10.68.80.95.10.3
over 50 years ago4.50.61.60.310.80.928.50.951.31.619.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #858144/324475
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