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NFI4
forest area
processes in channels SilvaProtect · percentage 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
processes in channels SilvaProtectpercentage of salvage logging %± %± %± %± %± %± %±
n/a0%72.61.039.11.638.92.023.21.939.42.015.51.447.90.6
1-50%7.90.61.90.41.60.50.40.30.80.40.30.23.80.3
over 50%5.90.52.80.52.80.71.20.51.50.50.50.33.50.3
total86.40.743.71.643.32.124.81.941.72.016.31.555.10.6
inside perimeter0%7.60.646.41.644.22.162.12.144.52.075.51.735.70.6
1-50%0.50.22.40.52.60.70.60.30.70.31.00.41.10.1
over 50%0.40.12.60.53.00.72.40.72.50.60.90.41.60.2
total8.60.651.41.649.82.165.02.147.72.077.31.738.40.6
outside perimeter0%4.30.44.50.76.21.08.91.39.81.26.01.05.80.3
1-50%0.30.10.10.10.30.20.60.30.20.20.20.20.30.1
over 50%0.30.10.30.20.30.20.70.40.60.30.20.20.40.1
total5.00.54.90.76.91.110.21.310.61.26.31.06.50.3
total0%84.60.889.91.089.31.394.21.193.61.097.00.789.40.4
1-50%8.80.64.30.74.50.91.60.61.60.51.40.55.20.3
over 50%6.60.55.70.86.21.04.20.94.70.91.60.55.40.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 16.06.2020 #887129/353461
NFI3
forest area
processes in channels SilvaProtect · basal area (standing live trees)
unit of reference: protection forest region
unit: %
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
processes in channels SilvaProtectbasal area (standing live trees) %± %± %± %± %± %± %±
n/ato 19 m2/ha24.80.816.51.015.61.320.61.519.51.313.61.119.80.5
20-39 m2/ha37.71.013.01.014.21.37.61.014.81.25.10.820.80.5
40-59 m2/ha19.30.89.70.99.11.02.20.67.60.92.30.511.20.4
from 60 m2/ha5.00.45.50.76.50.91.70.52.90.60.30.24.00.2
total86.70.744.61.545.51.832.11.844.91.721.41.455.80.5
inside perimeterto 19 m2/ha1.80.313.01.011.81.217.21.512.11.126.51.510.90.4
20-39 m2/ha4.00.418.61.117.71.424.81.719.61.431.31.515.60.4
40-59 m2/ha2.20.314.11.012.61.213.41.311.11.111.11.08.80.3
from 60 m2/ha0.40.15.10.66.60.94.20.82.20.54.10.73.00.2
total8.50.650.71.548.81.859.61.945.01.772.91.538.20.5
outside perimeterto 19 m2/ha0.90.21.30.31.10.43.00.73.10.61.60.41.60.2
20-39 m2/ha2.20.31.30.32.10.52.20.64.60.72.90.62.40.2
40-59 m2/ha1.50.31.40.41.70.52.20.61.60.41.10.31.60.2
from 60 m2/ha0.20.10.60.20.90.30.90.40.90.30.0.0.50.1
total4.80.44.70.65.80.98.31.110.21.15.60.86.00.3
totalto 19 m2/ha27.50.830.81.228.61.540.81.734.71.541.81.532.30.5
20-39 m2/ha43.91.032.81.434.01.734.61.839.01.739.31.638.80.6
40-59 m2/ha23.00.825.21.223.41.517.81.420.31.414.41.221.50.5
from 60 m2/ha5.50.511.20.914.01.26.80.95.90.84.40.77.50.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 16.06.2020 #887130/353462
NFI3
forest area
processes in channels SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: canton
unit: %
unit of evaluation: accessible forest
grid: terrestrial grid NFI3
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
processes in channels SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-20%0.70.50.0.0.0.2.50.70.0.4.61.74.74.53.52.43.10.80.0.0.0.1.71.20.0.5.02.81.51.00.0.0.60.66.02.61.71.33.21.36.53.12.00.72.51.00.0.1.30.72.10.2
21-40%1.80.87.97.50.0.4.80.90.0.2.31.30.0.8.83.811.91.40.80.83.01.21.01.016.99.011.24.19.62.50.0.0.70.713.03.71.21.213.12.46.53.13.90.922.12.70.0.1.60.86.30.4
41-60%3.41.10.0.8.05.49.01.20.0.12.42.79.59.519.05.220.91.82.61.55.11.68.82.511.67.919.45.012.02.80.0.3.61.514.53.93.11.822.03.018.75.110.81.420.72.60.0.1.30.710.80.5
61-80%5.71.444.213.19.15.214.21.55.42.614.02.90.0.21.35.328.12.019.93.518.52.713.53.024.010.520.15.318.33.32.32.35.31.825.84.75.62.325.03.130.56.116.81.824.82.814.58.06.41.516.60.6
over 80%88.31.847.912.982.97.069.61.994.62.666.83.785.810.347.56.436.02.176.73.673.53.075.03.447.611.644.26.458.64.197.72.389.92.440.65.088.33.136.83.537.86.266.52.129.92.985.58.089.41.664.20.7
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 perimeter0-20%..0.0.0.0.2.30.70.0.5.42.6..2.32.22.50.70.0.2.62.60.0.5.95.80.0.2.51.2..0.0.6.33.00.0.2.50.73.82.71.81.31.10.56.16.00.0.2.30.3
21-40%..0.0.0.0.3.20.90.0.1.41.4..2.92.98.71.30.0.0.0.0.0.5.95.83.92.83.81.5..0.0.1.61.60.0.3.40.83.72.62.01.46.71.36.16.013.813.04.60.4
41-60%..16.28.90.0.7.51.30.0.14.53.9..12.84.920.21.82.82.80.0.0.0.0.0.16.65.66.01.8..10.39.612.13.90.0.8.31.29.64.14.92.215.61.814.59.40.0.11.50.6
61-80%..10.27.10.0.20.62.07.57.324.94.7..18.36.029.82.05.33.710.55.012.111.45.95.834.87.217.73.0..24.612.421.55.05.35.217.21.620.95.618.43.825.82.27.37.313.813.021.70.8
over 80%..73.710.5100.0.66.42.392.57.353.85.3..63.77.338.82.191.84.486.95.487.911.482.38.844.77.370.13.4..65.114.058.55.894.75.268.51.961.96.672.94.450.82.565.912.272.417.159.90.9
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.
outside perimeter0-20%..0.0.0.0.4.22.30.0.0.0...0.0.1.11.00.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.3.62.50.0...1.50.6
21-40%..0.0.0.0.1.41.40.0.0.0...8.48.15.42.30.0.0.0.6.25.90.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.1.81.80.0...2.30.7
41-60%..0.0.0.0.6.93.00.0.0.0...0.0.11.63.34.64.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0...7.54.230.618.00.0.11.54.40.0...7.11.3
61-80%..0.0.14.113.212.63.90.0.0.0...29.914.530.14.723.69.033.327.216.38.70.0.0.0.0.0.0.0.18.616.727.116.0..13.85.812.411.711.57.621.95.60.0...18.72.0
over 80%..100.0.85.913.274.95.1100.0.100.0...61.715.251.85.171.99.566.727.277.610.0100.0.100.0.100.0.100.0.81.416.772.916.0..78.66.757.019.188.57.661.36.6100.0...70.42.3
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.
total0-20%0.70.50.0.0.0.2.50.50.0.4.71.34.74.52.71.52.60.50.0.0.40.41.41.02.82.82.71.52.00.80.0.0.50.55.81.91.51.12.50.64.92.01.90.61.80.52.52.51.30.72.10.2
21-40%1.80.83.53.40.0.3.90.60.0.1.90.90.0.6.62.49.90.90.50.52.51.01.51.010.64.97.62.56.21.30.0.0.60.67.52.11.01.05.60.84.91.93.40.811.71.22.52.51.90.85.40.3
41-60%3.41.18.54.95.33.68.20.80.0.12.82.29.59.514.83.319.81.22.91.24.21.37.52.15.33.817.23.58.41.50.0.3.91.412.82.62.71.611.71.115.53.49.31.217.11.45.84.11.30.710.80.4
61-80%5.71.425.07.77.73.716.61.25.22.317.42.40.0.21.03.929.11.417.32.617.42.413.72.713.95.625.04.217.42.12.22.27.01.924.03.35.62.119.01.425.23.916.91.625.11.711.25.56.61.518.60.5
over 80%88.31.863.08.487.04.968.71.494.82.363.22.885.810.355.04.538.61.479.32.675.52.675.93.167.46.847.64.666.02.497.82.288.02.449.83.589.12.861.21.749.54.368.41.844.31.878.16.889.01.663.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 03.07.2020 #887131/353463
NFI3
forest area
processes in channels SilvaProtect · degree of cover (aerial photo, 5 classes)
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
processes in channels SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-20%0.80.50.0.0.0.0.90.30.0.1.20.80.0.0.0.1.40.40.0.0.0.1.71.20.0.1.11.10.80.60.0.0.60.61.61.11.81.30.20.21.31.30.90.50.60.40.0.1.00.70.80.1
21-40%1.60.84.03.90.0.1.50.40.0.1.81.00.0.4.72.62.70.60.60.62.51.11.01.00.0.6.02.42.10.90.0.0.80.86.22.11.21.20.80.41.31.32.10.74.20.90.0.1.30.82.10.2
41-60%3.81.20.0.6.44.33.70.70.0.7.31.90.0.6.83.07.51.00.60.62.11.06.42.27.35.18.92.83.51.20.0.3.91.68.02.41.91.41.70.68.93.46.91.25.61.00.0.1.00.74.60.3
61-80%5.51.516.37.41.91.97.00.94.72.39.42.20.0.7.23.110.71.112.62.516.12.611.02.711.35.810.33.16.31.60.0.4.21.613.02.94.52.04.91.012.54.112.11.56.41.15.53.75.81.58.20.4
over 80%88.41.925.28.656.77.838.71.775.64.745.63.3100.0.16.84.415.31.351.33.960.43.465.73.930.18.423.84.528.52.996.92.180.93.224.13.778.44.18.71.313.24.155.02.38.01.248.58.988.41.939.70.6
total100.0.45.59.965.07.051.81.880.34.265.33.2100.0.35.55.837.51.865.13.781.12.885.82.948.79.150.15.441.23.296.92.190.32.452.84.587.83.116.31.637.25.976.92.024.81.954.08.997.51.055.40.6
inside perimeter0-20%0.0.0.0.0.0.0.90.30.0.0.60.60.0.1.31.31.10.40.0.0.0.0.0.3.83.70.0.1.80.80.0.0.0.1.71.20.0.1.10.51.51.50.40.30.60.42.82.80.0.0.70.1
21-40%0.0.0.0.0.0.1.30.40.0.0.60.60.0.1.61.64.30.80.0.0.0.0.0.3.83.71.81.31.30.80.0.0.0.0.80.80.0.1.10.50.0.0.0.3.40.82.82.80.30.31.40.2
41-60%0.0.11.16.30.0.3.10.60.0.4.91.50.0.5.22.510.21.10.60.60.0.0.0.0.0.6.82.72.91.10.0.0.80.85.52.00.0.4.10.91.51.51.10.510.61.47.15.10.0.4.10.3
61-80%0.0.3.03.00.0.7.90.90.0.7.81.80.0.9.43.415.91.31.20.92.11.00.70.70.0.14.03.79.01.90.0.1.10.89.02.50.70.713.41.510.13.73.90.916.91.70.0.0.30.38.20.4
over 80%0.0.36.39.624.36.227.01.59.83.118.22.70.0.31.25.620.81.520.03.015.42.64.21.736.58.821.94.339.43.10.0.4.41.724.53.811.53.158.02.240.15.814.71.733.62.130.17.71.80.923.80.5
total0.0.50.49.924.36.240.21.79.83.132.13.10.0.48.86.152.41.821.83.217.52.74.81.844.09.444.65.354.43.20.0.6.32.041.54.412.23.177.71.853.26.020.21.965.02.142.79.12.51.038.20.6
outside perimeter0-20%0.0.0.0.0.0.0.30.20.0.0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.30.0.0.0.0.10.0
21-40%0.0.0.0.0.0.0.10.10.0.0.0.0.0.1.31.30.10.10.0.0.0.0.70.70.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.10.0
41-60%0.0.0.0.0.0.0.60.30.0.0.0.0.0.0.0.1.00.40.60.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.23.32.40.0.1.30.50.0.0.0.0.40.1
61-80%0.0.0.0.1.91.91.10.40.0.0.0.0.0.4.62.63.40.73.01.30.50.51.81.00.0.0.0.0.0.0.0.0.0.1.71.10.0.1.10.51.31.30.20.22.40.70.0.0.0.1.30.2
over 80%0.0.4.14.18.84.55.90.89.93.22.61.20.0.9.93.65.40.89.52.31.00.76.92.17.33.85.32.44.31.33.12.13.31.54.01.80.0.4.70.94.92.82.70.86.01.03.33.30.0.4.50.3
total0.0.4.14.110.74.88.01.09.93.22.61.20.0.15.84.410.11.113.12.61.50.89.42.47.33.85.32.44.31.33.12.13.31.55.72.10.0.6.01.19.63.82.90.810.21.33.33.30.0.6.40.3
total0-20%0.80.50.0.0.0.2.00.50.0.1.81.00.0.1.31.32.70.60.0.0.0.1.71.23.83.71.11.12.61.00.0.0.60.63.31.61.81.31.30.52.82.01.40.61.70.62.82.81.00.71.60.2
21-40%1.60.84.03.90.0.2.90.60.0.2.41.10.0.7.63.37.10.90.60.62.51.11.71.23.83.77.82.73.51.20.0.0.80.87.02.21.21.21.90.61.31.32.10.77.81.22.82.81.70.83.60.3
41-60%3.81.211.16.36.44.37.50.90.0.12.22.30.0.12.03.718.71.41.91.12.11.06.42.27.35.115.73.76.51.60.0.4.71.813.53.01.91.46.01.013.84.38.01.317.41.77.15.11.00.79.10.4
61-80%5.51.519.27.93.82.516.01.34.72.317.22.60.0.21.24.930.01.716.92.718.72.713.52.911.35.824.34.515.32.30.0.5.41.823.63.75.22.119.41.823.95.216.21.725.71.95.53.76.21.517.70.5
over 80%88.41.965.69.589.84.971.61.595.32.366.43.1100.0.57.95.641.51.780.72.876.72.976.73.373.97.451.04.972.22.8100.0.88.62.552.63.989.92.971.42.058.25.672.42.047.52.281.96.290.21.768.10.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 03.07.2020 #887132/353464
NFI4
forest area
processes in channels SilvaProtect · degree of cover (aerial photo, 5 classes)
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
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
cantondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0-20%0.5560.0.0.0.0.556
21-40%1.1380.0.0.0.1.138
41-60%1.5350.0.0.0.1.535
61-80%5.3180.0.0.0.5.318
over 80%39.030.0.0.0.39.03
total47.520.0.0.0.47.52
AI0-20%0.0.0.0.0.0.0.0.
21-40%0.21000.21000.0.0.471
41-60%0.6570.21000.0.0.849
61-80%0.0.0.8480.0.0.848
over 80%1.7281.4310.21003.316
total2.5242.6210.21005.310
AR0-20%0.0.0.0.0.0.0.0.
21-40%0.5710.0.0.0.0.571
41-60%0.0.0.21000.0.0.2100
61-80%1.2390.6590.21001.929
over 80%3.6201.3310.7505.613
total5.3132.0260.9458.16
BE0-20%1.0441.6350.4713.125
21-40%2.2303.9220.21006.317
41-60%10.7136.9170.85018.410
61-80%23.9917.1103.22544.26
over 80%51.5537.168.51597.03
total89.3466.5413.112168.91
BL/BS0-20%0.21000.0.0.0.0.2100
21-40%0.0.0.0.0.0.0.0.
41-60%0.21000.0.0.21000.471
61-80%0.6580.0.0.31000.951
over 80%15.372.2301.53719.04
total16.362.2301.93320.43
FR0-20%0.0.0.0.0.0.0.0.
21-40%1.2430.6580.0.1.834
41-60%3.8221.9310.0.5.717
61-80%5.2205.5180.0.10.712
over 80%16.885.4171.04523.25
total27.0513.4101.04541.43
GE0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.0.0.0.
41-60%0.21000.0.0.0.0.2100
61-80%0.41000.0.0.0.0.4100
over 80%3.1130.0.0.0.3.113
total3.750.0.0.0.3.75
GL0-20%0.0.0.4700.0.0.470
21-40%0.9440.0.0.21001.140
41-60%1.2400.7500.0.1.931
61-80%1.3371.1400.4712.924
over 80%2.5254.9171.6349.09
total6.0167.1132.22915.26
GR0-20%1.2410.6580.0.1.833
21-40%8.2156.7170.85015.711
41-60%20.31024.883.42448.46
61-80%25.5830.675.11961.15
over 80%14.61122.886.91644.35
total69.8585.5416.211171.52
JU0-20%0.21000.0.0.0.0.2100
21-40%0.0.0.0.0.0.0.0.
41-60%2.0300.0.0.0.2.030
61-80%4.3200.8490.6575.617
over 80%15.596.4163.72225.55
total21.967.2154.32033.43
LU0-20%0.4700.6560.0.1.042
21-40%0.6570.0.0.0.0.657
41-60%5.4170.6580.0.5.916
61-80%10.9121.6350.210012.711
over 80%15.594.3200.47120.17
total32.847.1150.65840.42
NE0-20%0.31000.0.0.0.0.3100
21-40%0.0.0.0.0.0.0.0.
41-60%2.3280.21000.0.2.527
61-80%5.4170.5570.6586.615
over 80%16.170.6591.92918.66
total24.151.3382.62628.03
NW0-20%0.0.0.0.0.0.0.0.
21-40%0.31000.21000.0.0.572
41-60%0.8560.31000.0.1.147
61-80%1.2421.3420.0.2.627
over 80%2.0331.7320.5524.117
total4.3183.5220.5528.27
OW0-20%0.6570.0.0.0.0.657
21-40%0.4700.21000.21000.849
41-60%2.9230.9440.0.3.819
61-80%2.5253.4220.21006.114
over 80%3.5213.7200.6587.811
total9.9118.2121.04519.04
SG0-20%0.4710.21000.0.0.657
21-40%2.1311.3390.0.3.423
41-60%3.2262.8270.0.6.018
61-80%6.3185.9180.210012.412
over 80%10.31218.691.93130.95
total22.4828.862.13053.33
SH0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.0.0.0.
41-60%0.21000.0.0.0.0.2100
61-80%1.9310.0.0.0.1.931
over 80%9.870.0.0.46910.27
total11.940.0.0.46912.33
SO0-20%0.21000.0.0.0.0.2100
21-40%0.5680.0.0.0.0.568
41-60%0.6580.0.0.0.0.658
61-80%3.5240.21000.21004.022
over 80%24.251.8330.85126.74
total29.032.0311.14532.12
SZ0-20%0.0.0.21000.0.0.2100
21-40%2.0310.4710.0.2.528
41-60%3.6221.0440.0.4.619
61-80%3.1243.6230.0.6.715
over 80%6.5156.6151.43614.57
total15.3911.8111.43628.54
TG0-20%0.7560.0.0.0.0.756
21-40%0.5680.0.0.0.0.568
41-60%0.6580.0.0.0.0.658
61-80%2.7240.4730.0.3.122
over 80%13.272.0280.0.15.25
total17.742.4260.0.20.12
TI0-20%0.4710.8500.0.1.241
21-40%3.1252.9250.0.6.018
41-60%5.6186.5170.210012.312
61-80%5.21920.591.34126.98
over 80%11.21358.145.51974.83
total25.6888.836.917121.32
UR0-20%0.0.0.0.0.21000.2100
21-40%0.21000.5560.21000.944
41-60%1.7321.6340.0.3.323
61-80%3.1231.9300.4715.417
over 80%1.8323.8190.4716.014
total6.8157.8121.24015.86
VD0-20%1.7340.0.0.0.1.734
21-40%3.1250.4710.0.3.524
41-60%8.6140.8500.21009.614
61-80%18.693.7230.85023.18
over 80%42.8513.2111.73357.74
total74.7318.192.72795.62
VS0-20%0.8500.4710.0.1.241
21-40%5.4193.5240.6589.514
41-60%10.21415.0111.43826.68
61-80%10.31324.984.22139.46
over 80%7.61525.484.12037.16
total34.3769.2310.313113.82
ZG0-20%0.0.0.11000.0.0.1100
21-40%0.0.0.0.0.0.0.0.
41-60%0.11000.21000.0.0.371
61-80%1.0350.3710.0.1.329
over 80%2.2231.6300.21004.013
total3.3172.3220.21005.76
ZH0-20%0.0.0.0.0.0.0.0.
21-40%1.4360.0.0.0.1.436
41-60%1.3400.0.0.0.1.340
61-80%8.1150.21000.0.8.214
over 80%37.441.1440.0.38.44
total48.221.2410.0.49.42
Switzerland0-20%8.7155.0200.65814.312
21-40%33.9820.8102.33056.96
41-60%87.6564.556.218158.33
61-80%151.73124.7417.711294.22
over 80%367.72223.8344.07635.51
total649.61438.7270.851159.11
© WSL, Swiss National Forest Inventory, 16.06.2020 #887133/353465
NFI3
forest area
processes in channels SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtectdegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0-20%3.9234.8202.6281.2412.6282.82718.011
21-40%6.4187.3166.01810.0149.7147.71647.16
41-60%15.91116.91110.21410.01418.11011.41382.55
61-80%34.3722.4916.51110.81324.9914.311123.24
over 80%311.7154.4535.7713.01229.6818.710463.11
total372.31105.8471.1445.0684.8454.95733.91
inside perimeter0-20%0.0.2.9262.4280.8501.4384.62112.113
21-40%0.0.3.1252.2304.8207.4164.72022.29
41-60%0.85010.0147.01612.21216.81011.51358.36
61-80%2.92623.7912.01218.5922.1924.78103.94
over 80%32.3764.5546.3535.8622.1978.44279.42
total36.07104.1369.9472.2369.94123.82475.91
outside perimeter0-20%0.0.0.4710.0.0.6580.21000.0.1.241
21-40%0.21000.21000.4700.21000.8500.0.1.833
41-60%0.6580.6580.7581.2412.4290.6586.118
61-80%2.8271.2411.5382.3295.6191.43814.912
over 80%17.7107.4176.2176.1176.9167.71652.06
total21.299.8148.81510.51315.9119.71476.05
total0-20%3.9238.1155.0192.6284.2227.41631.28
21-40%6.61710.6138.61515.01117.91012.31271.25
41-60%17.21027.5817.91023.5937.3723.49146.93
61-80%40.0747.3630.0731.7752.6540.46242.03
over 80%361.71126.2288.2354.9458.65104.83794.51
total429.51219.81149.72127.72170.62188.411285.70
© WSL, Swiss National Forest Inventory, 16.06.2020 #887134/353466
NFI3
forest area
processes in channels SilvaProtect · stem count/ha (DBH >= 12cm, classified)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
processes in channels SilvaProtectstem count/ha (DBH >= 12cm, classified) %± %± %± %± %± %±
n/a0-100 stems/ha8.10.812.60.86.80.78.80.65.30.78.60.3
101-200 stems/ha10.90.913.30.95.80.76.60.52.60.58.00.3
201-300 stems/ha13.51.014.31.08.10.84.80.54.20.78.60.3
301-400 stems/ha13.11.014.11.06.90.74.80.52.30.58.10.3
401-500 stems/ha11.41.011.70.95.60.73.90.40.70.36.60.3
501-600 stems/ha8.90.96.90.73.70.53.40.42.20.54.90.3
more than 600 stems/ha15.91.118.31.110.70.97.00.64.20.711.00.4
total81.71.291.00.847.51.439.41.021.41.455.80.5
inside perimeter0-100 stems/ha0.30.20.40.24.50.65.70.59.11.04.00.2
101-200 stems/ha1.10.30.80.34.90.66.90.59.51.04.70.3
201-300 stems/ha1.50.41.70.47.40.88.20.69.61.05.80.3
301-400 stems/ha1.50.41.20.39.60.87.80.610.81.16.20.3
401-500 stems/ha1.30.31.40.35.50.75.80.58.51.04.50.3
501-600 stems/ha1.30.30.30.24.70.64.80.55.50.83.40.2
more than 600 stems/ha3.20.51.20.311.90.912.60.719.81.39.60.4
total10.20.97.10.748.51.451.81.172.91.538.20.5
outside perimeter0-100 stems/ha0.40.20.20.10.30.11.00.20.50.20.50.1
101-200 stems/ha0.90.30.20.10.40.21.40.30.50.20.80.1
201-300 stems/ha1.20.30.50.20.30.11.30.20.70.30.80.1
301-400 stems/ha1.10.30.30.20.50.21.30.20.70.30.80.1
401-500 stems/ha1.20.30.20.10.80.30.80.20.50.20.70.1
501-600 stems/ha1.10.30.10.10.40.21.00.20.80.30.70.1
more than 600 stems/ha2.30.40.40.21.30.32.10.32.00.51.60.2
total8.10.81.90.43.90.68.70.65.60.86.00.3
total0-100 stems/ha8.70.813.10.811.50.815.60.814.91.213.10.4
101-200 stems/ha12.91.014.31.011.10.914.90.812.61.113.40.4
201-300 stems/ha16.21.116.51.015.81.014.20.814.41.215.30.4
301-400 stems/ha15.71.115.61.016.91.113.90.713.81.215.10.4
401-500 stems/ha13.81.013.30.912.00.910.50.79.71.011.80.4
501-600 stems/ha11.30.97.30.78.80.89.10.68.61.09.00.4
more than 600 stems/ha21.41.219.91.123.91.221.70.926.01.522.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 16.06.2020 #887135/353467
NFI3
forest area
processes in channels SilvaProtect · stem count/ha (DBH >= 12cm, classified)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
processes in channels SilvaProtectstem count/ha (DBH >= 12cm, classified) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0-100 stems/ha14.52.00.0.5.83.814.81.613.83.216.63.315.711.421.87.016.42.014.33.07.81.95.12.112.88.417.35.314.93.35.83.213.22.711.93.79.12.822.63.624.87.212.31.630.03.513.56.716.52.014.80.6
101-200 stems/ha18.72.50.0.2.92.815.11.77.03.110.92.80.0.15.76.515.31.96.42.313.22.611.32.912.88.417.55.412.63.314.14.711.02.516.94.414.63.813.23.015.36.317.52.017.22.90.0.15.72.414.30.6
201-300 stems/ha12.52.124.612.422.58.614.51.727.45.214.03.010.510.513.66.415.11.914.13.316.12.920.93.86.05.921.55.814.93.415.34.715.93.023.64.919.14.219.93.514.66.113.91.811.72.54.54.516.52.415.70.6
301-400 stems/ha15.72.30.0.25.28.815.61.713.23.918.83.510.510.515.86.614.81.914.23.312.92.619.83.622.69.58.44.010.32.812.14.418.13.320.04.611.23.210.72.72.52.514.71.88.72.25.45.217.42.514.60.6
401-500 stems/ha13.62.220.010.22.92.813.51.67.13.113.03.021.114.07.34.910.31.69.92.811.42.419.13.56.46.38.04.013.33.214.14.712.82.89.33.413.63.53.11.58.85.013.71.88.72.136.612.39.92.011.80.6
501-600 stems/ha8.91.90.0.7.85.69.31.414.94.25.52.110.510.59.85.59.01.515.03.410.12.37.32.410.17.02.22.28.82.710.64.25.71.97.73.09.93.010.12.710.85.18.91.58.32.111.68.27.41.78.90.5
more than 600 stems/ha16.12.455.414.033.09.417.21.816.64.321.23.731.615.916.06.419.22.126.04.128.53.516.53.329.311.425.16.125.14.128.06.023.33.510.63.622.53.820.43.623.27.319.02.015.52.728.411.316.62.319.90.7
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..8.17.90.0.7.91.511.310.712.04.0..17.26.311.91.52.72.78.44.50.0.44.911.16.73.811.02.5..0.0.7.13.40.0.12.51.513.64.85.52.47.71.46.46.30.0.10.10.6
101-200 stems/ha..8.17.915.310.210.81.711.310.74.02.3..10.75.115.01.713.85.85.43.732.518.65.15.011.54.84.81.8..21.313.612.04.218.211.411.91.59.54.615.83.814.51.96.46.313.412.812.10.7
201-300 stems/ha..0.0.7.87.416.42.028.714.416.04.5..12.75.416.41.813.65.78.14.513.913.010.16.711.14.818.33.3..7.97.710.04.035.413.312.51.65.23.615.33.815.01.929.512.918.316.514.80.8
301-400 stems/ha..36.113.422.912.020.42.231.315.114.14.2..10.95.217.91.810.95.213.65.70.0.7.47.215.15.817.23.2..9.18.718.45.10.0.14.81.74.93.516.73.915.21.929.512.918.316.516.40.8
401-500 stems/ha..5.95.87.67.513.81.90.0.12.43.9..5.74.010.61.521.96.97.94.40.0.5.15.09.34.514.23.0..0.0.9.83.914.810.012.81.617.16.011.93.412.01.717.911.60.0.12.00.7
501-600 stems/ha..19.910.815.310.29.71.68.78.46.93.0..12.85.48.01.310.95.210.95.225.816.00.0.9.74.85.32.0..28.114.316.04.70.0.6.71.212.95.512.83.510.61.610.29.436.620.29.10.6
more than 600 stems/ha..21.911.531.214.421.02.28.78.434.65.7..30.07.720.21.926.27.045.78.027.816.927.411.136.77.629.33.8..33.615.726.65.731.612.428.72.136.77.522.04.425.12.30.0.13.412.825.40.9
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.
outside perimeter0-100 stems/ha..0.0.0.0.9.53.69.89.40.0...18.912.212.53.74.54.432.026.70.0.0.0.20.518.40.0.0.0.23.320.20.0...6.64.50.0.15.29.87.63.70.0...9.01.5
101-200 stems/ha..0.0.0.0.10.93.912.611.818.216.8..18.612.018.54.34.64.40.0.36.113.30.0.22.419.60.0.50.036.10.0.15.514.1..11.65.50.0.0.0.15.15.00.0...13.21.8
201-300 stems/ha..0.0.0.0.11.44.09.69.30.0...16.610.915.84.017.68.00.0.15.710.50.0.0.0.26.213.20.0.15.014.30.0...11.75.531.818.56.96.715.45.0100.0...13.61.8
301-400 stems/ha..0.0.29.923.318.54.80.0.19.017.2..8.27.915.94.14.54.50.0.16.710.866.728.50.0.11.510.70.0.38.322.215.514.1..11.85.519.017.115.19.817.65.30.0...15.21.9
401-500 stems/ha..100.0.34.921.010.83.90.0.18.216.8..8.48.28.73.122.78.70.0.19.310.30.0.14.213.625.312.80.0.0.0.14.713.8..8.74.816.314.912.98.67.23.50.0...11.21.6
501-600 stems/ha..0.0.0.0.10.43.736.116.626.521.7..8.48.212.03.613.47.334.627.70.0.0.0.22.419.68.48.10.0.0.0.14.713.8..12.15.732.819.514.99.75.63.20.0...11.41.7
more than 600 stems/ha..0.0.35.221.428.65.631.915.618.216.8..20.912.816.64.132.79.933.427.312.28.233.328.520.518.428.614.050.036.123.320.239.718.6..37.68.30.0.35.012.831.46.40.0...26.42.3
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.
total0-100 stems/ha14.52.03.93.93.82.511.71.013.22.914.72.315.711.419.24.313.81.110.62.18.21.74.41.825.46.612.93.312.21.85.63.112.72.69.32.48.02.514.31.417.43.811.11.314.41.410.34.216.11.912.70.4
101-200 stems/ha18.72.53.93.95.63.113.01.28.02.98.82.10.0.13.83.815.41.27.72.111.72.214.63.08.75.015.23.77.91.715.24.811.32.414.83.015.13.612.21.311.33.616.71.715.31.52.62.615.62.313.40.4
201-300 stems/ha12.52.111.76.416.56.015.01.225.94.614.32.510.510.513.63.915.81.214.42.614.52.520.13.57.44.215.93.717.22.314.94.615.42.816.83.221.04.014.01.411.33.614.01.614.11.417.46.316.52.415.20.5
301-400 stems/ha15.72.317.57.425.17.017.71.313.93.517.32.710.510.512.43.816.51.212.32.512.82.418.63.319.16.210.93.314.12.111.84.318.23.119.13.39.82.913.81.45.02.515.11.613.51.414.95.817.42.415.40.5
401-500 stems/ha13.62.216.36.87.43.513.41.25.72.512.92.321.114.06.72.910.31.014.12.610.62.118.23.25.43.98.93.014.32.213.74.611.62.59.82.513.83.310.51.313.53.813.31.510.61.328.08.59.71.911.80.4
501-600 stems/ha8.91.99.65.58.84.59.51.016.23.96.51.810.510.511.03.58.81.013.92.610.62.17.52.25.23.86.42.66.91.610.24.06.92.011.52.78.72.77.71.113.53.99.81.39.41.210.76.08.11.79.10.4
more than 600 stems/ha16.12.437.09.532.87.519.61.417.23.825.43.031.615.923.24.819.41.326.93.231.63.216.73.128.78.029.94.627.52.728.76.023.93.418.73.323.63.627.41.828.05.020.01.822.81.716.26.716.52.322.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 03.07.2020 #887136/353468
NFI3
forest area
processes in channels SilvaProtect · stem count/ha (DBH >= 24cm, classified)
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
processes in channels SilvaProtectstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %±
n/a0-100 stems/ha18.71.128.61.213.01.011.60.87.41.016.20.5
101-200 stems/ha24.71.422.71.211.61.08.90.72.60.614.40.5
201-300 stems/ha18.51.221.41.29.90.95.90.63.20.711.90.4
301-400 stems/ha11.71.010.60.95.90.74.20.51.50.56.90.3
401-500 stems/ha5.00.75.40.73.80.62.10.40.80.43.50.3
501- 600 stems/ha1.90.41.10.31.40.40.90.20.60.31.20.1
more than 600 stems/ha0.60.31.20.32.10.50.70.20.20.21.00.1
total81.01.391.10.847.71.634.21.216.31.555.10.6
inside perimeter0-100 stems/ha1.40.41.30.39.50.915.00.921.61.69.40.4
101-200 stems/ha3.10.62.30.511.71.015.30.925.41.810.90.4
201-300 stems/ha2.40.51.60.411.71.012.20.815.91.58.50.4
301-400 stems/ha1.80.41.20.37.40.87.30.68.51.15.20.3
401-500 stems/ha1.00.30.40.24.50.63.00.43.10.72.40.2
501- 600 stems/ha0.40.20.10.11.80.42.10.41.70.51.30.2
more than 600 stems/ha0.20.10.10.11.40.40.90.21.10.40.70.1
total10.41.07.00.848.01.655.91.277.31.738.40.6
outside perimeter0-100 stems/ha1.40.40.40.20.60.32.50.41.50.51.40.2
101-200 stems/ha1.70.40.50.20.70.32.80.42.70.71.70.2
201-300 stems/ha2.60.50.50.20.90.32.10.40.80.41.50.2
301-400 stems/ha1.80.40.30.20.80.31.20.30.60.31.00.1
401-500 stems/ha0.70.30.20.10.60.30.50.20.40.20.50.1
501- 600 stems/ha0.10.10.0.0.20.20.60.20.20.20.20.1
more than 600 stems/ha0.30.20.0.0.40.20.10.10.20.20.20.1
total8.50.91.90.44.30.69.80.76.31.06.50.3
total0-100 stems/ha21.51.230.31.223.11.229.21.130.51.827.00.6
101-200 stems/ha29.41.525.51.324.01.427.01.130.71.927.00.6
201-300 stems/ha23.51.323.61.222.51.320.21.019.91.621.90.6
301-400 stems/ha15.31.212.11.014.21.112.70.810.61.213.10.5
401-500 stems/ha6.70.85.90.78.90.95.60.64.30.86.30.3
501- 600 stems/ha2.50.51.20.33.40.63.60.52.50.62.70.2
more than 600 stems/ha1.10.31.30.33.90.61.80.31.40.51.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 16.06.2020 #887137/353469
NFI3
forest area
processes in channels SilvaProtect · stem count/ha (DBH >= 36cm, classified)
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
processes in channels SilvaProtectstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %±
n/a0-100 stems/ha48.31.027.31.325.01.625.51.731.01.617.91.333.70.6
101-200 stems/ha29.20.911.91.012.81.34.00.810.51.13.80.716.30.5
201-300 stems/ha7.70.64.40.65.80.91.00.42.80.60.10.14.70.3
301-400 stems/ha1.10.21.80.41.40.40.20.20.40.20.0.0.90.1
401-500 stems/ha0.30.10.40.20.10.10.0.0.0.0.0.0.20.1
501- 600 stems/ha0.00.00.20.10.0.0.0.0.0.0.0.0.10.0
more than 600 stems/ha0.00.00.10.10.10.10.0.0.0.0.0.0.00.0
total86.70.746.21.645.31.930.71.944.71.821.81.555.90.6
inside perimeter0-100 stems/ha3.90.424.71.322.51.637.02.026.91.653.31.822.10.5
101-200 stems/ha3.80.417.41.117.91.517.61.513.41.214.91.211.70.4
201-300 stems/ha0.60.26.00.76.40.95.10.84.20.73.40.63.40.2
301-400 stems/ha0.10.10.90.31.60.50.50.30.60.30.50.30.60.1
401-500 stems/ha0.0.0.10.10.10.10.0.0.0.0.10.10.00.0
501- 600 stems/ha0.0.0.0.0.10.10.0.0.0.0.0.0.00.0
more than 600 stems/ha0.0.0.0.0.0.0.0.0.10.10.0.0.00.0
total8.40.649.11.648.71.960.32.045.21.872.21.637.90.5
outside perimeter0-100 stems/ha2.50.32.20.52.80.75.81.05.40.84.90.83.50.2
101-200 stems/ha2.00.31.60.41.80.52.30.63.80.70.80.32.00.2
201-300 stems/ha0.30.10.80.31.10.40.50.30.80.30.20.20.60.1
301-400 stems/ha0.10.10.10.10.10.10.20.20.0.0.0.0.10.0
401-500 stems/ha0.0.0.0.0.10.10.0.0.10.10.0.0.00.0
501- 600 stems/ha0.0.0.0.0.0.0.0.0.0.0.0.0.0.
more than 600 stems/ha0.00.00.0.0.0.0.20.20.0.0.0.0.00.0
total4.90.54.80.76.10.99.01.210.11.15.90.96.20.3
total0-100 stems/ha54.60.954.21.450.31.768.41.763.31.576.11.459.30.6
101-200 stems/ha35.01.030.91.432.51.824.01.727.71.519.51.430.00.6
201-300 stems/ha8.60.611.21.013.31.36.60.97.81.03.70.78.70.4
301-400 stems/ha1.30.22.80.53.20.70.80.41.00.40.50.31.60.2
401-500 stems/ha0.30.10.50.20.40.20.0.0.10.10.10.10.30.1
501- 600 stems/ha0.00.00.20.10.10.10.0.0.0.0.0.0.10.0
more than 600 stems/ha0.10.10.10.10.10.10.20.20.10.10.0.0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 16.06.2020 #887138/353470
NFI4
forest area
processes in channels SilvaProtect
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
processes in channels SilvaProtect %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a100.0.47.69.766.36.854.01.780.34.165.53.1100.0.43.05.442.41.665.53.681.32.786.42.852.88.451.25.043.83.097.02.190.62.353.14.288.23.023.21.643.55.378.41.833.21.858.78.197.61.056.80.6
inside perimeter0.0.48.59.723.46.038.41.610.43.132.03.00.0.44.05.548.41.621.83.117.32.74.61.741.08.644.15.052.53.00.0.6.11.941.94.111.83.071.21.749.15.318.81.758.11.938.38.32.41.037.30.6
outside perimeter0.0.3.93.910.34.77.60.99.33.02.51.10.0.13.13.79.20.912.72.61.40.89.02.36.23.24.72.13.71.13.02.13.21.55.01.80.0.5.60.97.53.02.80.78.71.13.02.90.0.6.00.3
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, 03.07.2020 #887139/353471
NFI4
forest area
processes in channels SilvaProtect
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtect1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a373.81111.1377.5452.5591.6458.75765.11
inside perimeter36.07103.2368.8472.6371.54123.82475.91
outside perimeter21.099.4158.81510.71316.1119.71475.85
total430.91223.71155.12135.82179.22192.111316.80
© WSL, Swiss National Forest Inventory, 16.06.2020 #887140/353472
NFI3
forest area
rockfall SilvaProtect · stand structure
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectstand structure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a1.00.42.51.14.01.22.70.92.90.74.62.55.11.34.01.52.51.43.02.13.92.71.20.81.50.70.60.62.50.3
single-layered30.51.937.53.537.93.341.02.841.22.149.05.332.72.936.53.640.94.547.56.231.36.437.43.737.22.746.23.837.70.8
multi-layered49.12.056.33.649.53.348.02.851.62.221.34.335.43.047.53.723.03.818.64.837.96.934.73.623.72.427.13.441.80.8
stratified17.41.53.81.48.61.98.21.64.30.923.34.622.82.69.92.223.73.929.55.723.05.823.93.232.12.622.13.115.80.6
clustered structure1.90.60.0.0.0.0.0.0.0.1.81.34.01.22.21.19.82.71.41.43.92.72.81.35.41.24.11.52.20.3
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.
inside perimetern/a0.0.0.0...0.0...0.0.0.0.0.0.5.85.70.0.5.45.33.13.00.0.0.0.1.60.9
single-layered38.611.50.0...0.0...0.0.29.624.030.326.034.811.635.411.859.112.141.68.335.410.758.06.744.73.6
multi-layered50.211.8100.0...0.0...0.0.22.720.369.726.028.611.047.312.222.19.844.08.325.49.829.46.235.23.5
stratified11.27.50.0...100.0...100.0.23.220.60.0.30.711.311.57.613.48.911.35.339.210.912.64.517.52.8
clustered structure0.0.0.0...0.0...0.0.24.521.40.0.0.0.5.85.60.0.0.0.0.0.0.0.1.00.7
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.
outside perimetern/a0.0.0.0.4.24.10.0.3.02.912.23.02.71.02.91.24.31.63.92.63.31.91.70.73.81.00.90.42.80.3
single-layered33.33.936.49.723.78.530.96.721.27.232.94.025.82.839.13.637.43.829.46.537.85.245.62.643.72.553.32.141.11.0
multi-layered53.04.159.79.958.99.956.57.269.48.225.53.738.33.151.73.726.93.557.16.938.15.235.12.525.52.228.31.935.51.0
stratified13.72.83.93.813.27.012.64.86.54.524.53.930.93.06.41.925.13.49.74.117.84.015.91.923.32.116.71.618.60.8
clustered structure0.0.0.0.0.0.0.0.0.0.4.92.02.30.90.0.6.31.90.0.3.11.81.70.73.71.00.70.42.00.3
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.
totaln/a0.80.32.20.94.01.22.30.82.90.79.02.03.90.83.40.93.61.12.91.43.71.51.60.52.70.60.80.32.60.2
single-layered31.21.737.13.336.53.139.62.640.12.139.43.229.42.037.72.538.72.839.04.338.03.942.82.040.61.852.11.839.30.6
multi-layered49.91.856.93.450.53.149.02.652.62.123.72.836.72.149.82.625.42.537.04.136.33.935.52.024.71.628.21.639.00.6
stratified16.61.33.81.39.11.99.11.54.40.824.32.926.72.08.11.424.92.519.63.419.03.118.11.627.71.617.61.317.00.5
clustered structure1.50.40.0.0.0.0.0.0.0.3.61.33.40.81.10.57.41.51.41.03.01.31.90.64.40.81.40.42.10.2
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.
© WSL, Swiss National Forest Inventory, 03.07.2020 #887141/353473
NFI3
forest area
rockfall SilvaProtect · degree of mixture
unit of reference: protection forest region
unit: %
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
rockfall SilvaProtectdegree of mixture %± %± %± %± %± %± %±
n/an/a2.40.34.50.93.61.01.50.91.40.60.50.52.50.3
pure conifer forest26.01.054.82.248.22.765.03.379.42.140.83.640.30.8
mixed conifer forest24.00.918.91.720.92.28.92.07.41.47.11.919.70.7
mixed broadleaf forest19.00.99.91.310.51.75.81.63.61.04.81.614.00.6
pure broadleaf forest28.61.011.91.416.82.118.72.78.41.446.83.623.50.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.3.53.42.62.62.82.80.0.0.0.1.50.8
pure conifer forest18.88.528.08.541.17.958.37.980.98.622.05.238.63.3
mixed conifer forest24.09.421.67.815.85.912.95.45.04.94.72.612.42.3
mixed broadleaf forest14.27.615.06.94.73.210.65.09.46.36.33.09.12.0
pure broadleaf forest43.010.832.08.835.87.715.45.84.74.667.15.938.43.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.60.55.60.93.30.91.80.73.60.90.80.42.80.3
pure conifer forest11.51.848.62.030.52.473.02.279.91.932.51.846.90.9
mixed conifer forest29.32.622.51.727.42.39.01.46.31.27.11.015.90.7
mixed broadleaf forest24.92.512.51.420.42.15.91.22.50.87.41.111.30.6
pure broadleaf forest33.72.710.81.318.52.010.31.57.71.352.11.923.20.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a2.10.35.00.63.40.71.80.52.50.50.70.32.60.2
pure conifer forest24.10.950.91.539.11.869.61.779.71.433.51.542.90.6
mixed conifer forest24.70.920.91.223.81.59.21.16.80.96.90.917.90.5
mixed broadleaf forest19.80.811.40.915.11.36.10.93.20.66.80.912.70.4
pure broadleaf forest29.40.911.81.018.61.413.31.37.90.952.11.623.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 16.06.2020 #887142/353474
NFI3
forest area
rockfall SilvaProtect · regeneration cover
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectregeneration cover %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a< 1%4.80.74.31.33.61.21.90.73.40.70.70.51.30.51.80.61.10.52.01.12.41.20.50.30.60.30.30.22.00.2
1-9%14.91.213.12.216.82.316.11.817.81.511.32.012.91.412.51.612.41.816.73.113.22.59.71.215.11.36.30.813.10.4
10-25%23.11.419.12.523.22.621.82.019.61.610.42.017.31.615.11.812.61.812.92.87.32.011.51.214.91.27.60.915.70.4
26-50%16.31.314.82.321.52.519.52.019.51.612.32.111.71.411.71.66.21.39.52.54.51.56.31.08.31.04.90.711.70.4
51-75%10.91.110.21.916.52.314.21.716.51.53.81.24.90.94.61.02.90.94.11.63.51.43.30.73.90.71.70.47.10.3
76-100%9.31.026.72.88.31.712.61.617.51.50.80.62.00.62.70.83.81.03.41.54.51.60.80.42.10.50.60.36.10.3
total79.31.488.32.189.81.986.21.794.30.939.43.150.02.148.62.439.12.748.64.135.43.632.11.844.91.721.41.455.70.5
inside perimeter< 1%0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.60.60.50.50.0.0.10.10.10.10.10.0
1-9%0.70.30.0.0.0.0.0.0.0.0.0.0.40.30.20.21.80.73.51.64.01.52.60.60.90.33.00.61.20.1
10-25%0.80.30.0.0.0.0.0.0.0.0.30.30.40.30.0.0.90.52.71.31.81.01.50.50.80.32.60.50.90.1
26-50%0.10.10.50.50.0.0.30.30.0.0.40.40.40.30.0.1.30.62.81.41.00.71.20.40.60.30.80.30.50.1
51-75%0.20.20.0.0.0.0.0.0.0.0.0.0.20.20.50.40.60.43.41.51.10.80.30.20.30.20.60.30.40.1
76-100%0.10.10.0.0.0.0.0.0.0.0.0.0.20.20.0.0.50.40.0.1.30.90.10.10.0.0.20.20.10.0
total2.20.50.50.50.0.0.30.30.0.0.70.51.50.50.70.45.31.213.02.89.72.35.80.92.70.67.30.93.20.2
outside perimeter< 1%1.40.40.0.0.40.40.30.30.0.2.31.01.60.51.30.51.10.61.30.94.31.62.20.62.70.61.90.51.50.2
1-9%3.50.62.51.00.80.51.00.50.80.414.62.28.51.215.41.714.51.912.82.810.22.322.21.619.91.426.41.512.30.4
10-25%5.30.83.21.13.51.14.31.00.80.416.92.419.71.712.71.622.92.311.72.713.72.620.51.615.31.324.81.513.30.4
26-50%4.30.72.81.14.01.25.51.11.30.515.82.311.01.411.41.69.31.67.02.116.22.713.01.310.31.110.81.18.50.3
51-75%2.50.50.80.60.80.51.60.62.00.67.01.73.80.85.71.24.51.15.01.94.91.63.60.72.90.65.30.83.50.2
76-100%1.50.42.00.90.80.50.90.50.80.43.21.13.70.84.21.03.31.00.60.65.61.80.80.31.30.42.00.52.00.2
total18.51.311.22.010.21.913.61.75.70.959.93.248.42.150.72.455.62.738.44.055.03.862.11.852.51.771.31.541.20.5
total< 1%6.40.84.31.34.01.22.10.73.40.73.11.12.90.73.10.82.50.83.91.57.32.02.60.63.50.62.40.53.60.2
1-9%19.11.315.62.317.62.417.11.918.61.625.92.821.81.728.22.228.62.533.03.927.53.334.51.835.91.735.71.626.50.5
10-25%29.21.622.32.726.62.726.12.220.51.627.62.937.42.127.92.236.42.627.43.722.83.233.41.831.01.635.01.629.90.6
26-50%20.81.418.12.525.52.725.32.120.81.628.52.923.01.823.12.116.82.119.33.321.63.020.51.619.21.416.51.320.80.5
51-75%13.71.211.02.017.32.315.81.818.41.610.82.08.91.210.81.58.11.512.52.79.42.27.21.07.00.97.60.910.90.4
76-100%10.91.128.72.99.11.713.61.718.31.64.01.35.91.06.91.37.61.54.01.611.42.51.70.53.40.62.80.68.20.3
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.
© WSL, Swiss National Forest Inventory, 03.07.2020 #887143/353475
NFI3
forest area
rockfall SilvaProtect · concept of transportation system
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
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %± %±
n/aroad and skidding track62.41.015.81.216.61.56.61.09.81.14.00.729.70.5
road and skidding road20.00.99.00.96.71.01.90.64.40.80.70.310.40.4
road and cable line1.00.212.61.18.61.16.41.015.31.32.70.66.40.3
road and flight path0.30.14.60.75.60.96.31.03.70.71.00.42.70.2
no access intended2.50.34.00.67.51.08.91.211.31.212.91.26.40.3
total86.20.746.01.645.02.030.11.944.51.821.31.555.60.6
inside perimeterroad and skidding track0.40.10.30.20.60.31.30.50.0.0.50.30.50.1
road and skidding road0.10.10.30.20.30.20.40.30.10.10.30.20.20.1
road and cable line0.10.11.00.32.60.61.80.51.50.51.20.41.00.1
road and flight path0.0.0.20.11.30.41.40.50.30.20.80.30.40.1
no access intended0.30.10.40.20.90.41.30.50.70.34.40.71.00.1
total0.90.22.20.55.70.96.21.02.60.67.20.93.20.2
outside perimeterroad and skidding track7.00.612.71.112.51.39.91.26.00.97.20.98.80.4
road and skidding road4.00.49.00.98.41.13.10.74.60.82.70.65.10.3
road and cable line0.90.222.51.319.51.624.51.830.51.717.81.414.90.4
road and flight path0.00.03.70.63.70.713.51.44.30.85.30.83.60.2
no access intended0.90.23.80.65.10.912.71.47.51.038.51.88.70.3
total12.90.751.71.649.32.063.71.952.91.871.41.641.10.6
totalroad and skidding track69.81.028.81.429.81.817.81.615.81.411.71.239.00.6
road and skidding road24.10.918.31.215.41.45.40.99.21.13.60.715.80.5
road and cable line2.10.336.11.530.71.832.71.947.31.921.81.522.30.5
road and flight path0.30.18.50.910.61.221.21.78.21.07.10.96.80.3
no access intended3.60.48.30.913.61.322.91.819.51.555.81.816.10.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 16.06.2020 #887144/353476
NFI3
forest area
rockfall SilvaProtect · concept of transportation system
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectconcept of transportation system %± %± %± %± %± %± %±
n/aroad and skidding track72.31.031.12.031.42.418.92.517.21.813.92.249.20.7
road and skidding road23.00.918.61.713.61.75.41.58.51.32.41.017.40.6
road and cable line1.30.225.81.918.82.018.02.528.12.110.21.911.00.5
road and flight path0.30.111.51.412.11.722.02.710.41.44.71.35.80.4
no access intended3.20.412.91.424.02.235.83.135.82.268.72.916.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track43.210.814.96.812.75.322.66.70.0.7.93.414.92.4
road and skidding road14.27.610.15.65.23.65.33.74.34.23.02.16.01.6
road and cable line14.37.646.49.541.67.830.37.449.810.215.94.630.93.1
road and flight path0.0.11.26.125.67.020.66.513.27.115.44.515.92.5
no access intended28.39.817.47.114.95.621.16.632.79.557.76.232.33.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track53.92.823.91.726.52.216.11.812.21.69.31.121.20.8
road and skidding road30.12.618.01.616.41.94.61.08.71.43.90.812.40.6
road and cable line8.41.643.52.037.42.537.72.456.02.423.01.635.20.9
road and flight path0.30.36.81.07.41.321.52.07.71.37.11.08.50.5
no access intended7.21.57.81.112.31.720.02.015.41.756.71.922.70.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track69.70.927.01.328.21.617.41.414.41.210.41.037.00.5
road and skidding road23.80.918.11.114.51.24.90.88.50.93.40.615.10.4
road and cable line2.30.335.41.428.61.630.41.741.91.619.21.221.30.5
road and flight path0.30.19.10.810.61.121.61.69.21.07.00.87.20.3
no access intended3.90.410.40.918.11.325.71.726.01.459.91.619.50.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 16.06.2020 #887145/353477
NFI3
forest area
rockfall SilvaProtect · concept of transportation system
unit of reference: canton
unit: 1000 ha
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGroad and skidding track31.550.0.1.43732.95
road and skidding road13.0110.0.0.210013.210
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended1.2410.0.0.21001.437
total45.720.0.1.83347.52
AIroad and skidding track1.7310.0.1.8283.517
road and skidding road0.0.0.0.0.21000.2100
road and cable line0.21000.0.0.4720.657
road and flight path0.0.0.0.0.0.0.0.
no access intended0.6570.0.0.4681.041
total2.5240.0.2.8205.310
ARroad and skidding track3.3210.0.1.6324.915
road and skidding road1.1400.0.1.0382.127
road and cable line0.3710.0.0.3690.648
road and flight path0.5670.0.0.0.0.567
no access intended0.0.0.0.0.0.0.0.
total5.3130.0.2.8208.16
BEroad and skidding track51.851.24126.0879.14
road and skidding road17.3100.47115.41133.17
road and cable line11.0132.03225.5838.56
road and flight path6.8170.0.3.62310.414
no access intended10.9131.0456.21818.110
total97.834.62176.74179.21
BL/BSroad and skidding track11.1100.31002.23013.68
road and skidding road4.5200.0.0.6565.119
road and cable line0.7580.21000.7571.637
road and flight path0.0.0.0.0.0.0.0.
no access intended0.31000.0.0.21000.572
total16.660.5723.62220.73
FRroad and skidding track15.790.0.3.32419.08
road and skidding road5.9180.0.4.1219.913
road and cable line3.7220.0.6.0169.712
road and flight path0.9490.0.0.6591.538
no access intended1.6350.0.0.6582.230
total27.850.0.14.6942.42
GEroad and skidding track2.7190.0.0.0.2.719
road and skidding road1.0570.0.0.0.1.057
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended0.21000.0.0.0.0.2100
total3.970.0.0.0.3.97
GLroad and skidding track1.3370.21000.4711.931
road and skidding road0.21000.0.0.4710.658
road and cable line2.3281.4363.3227.014
road and flight path1.8330.21001.6353.522
no access intended4.2200.7492.3277.314
total9.8122.5258.01220.34
GRroad and skidding track14.8110.47111.71326.98
road and skidding road6.6170.4716.71713.712
road and cable line26.583.22554.9584.64
road and flight path9.0151.0457.91617.910
no access intended37.672.52820.2960.45
total94.547.516101.53203.51
JUroad and skidding track11.9110.4703.72216.08
road and skidding road8.4130.4715.41814.29
road and cable line0.0.0.0.0.4700.470
road and flight path0.0.0.0.0.0.0.0.
no access intended1.6350.4700.8502.726
total21.961.24010.31233.43
LUroad and skidding track18.380.0.3.42321.67
road and skidding road9.3130.0.1.53710.812
road and cable line4.9190.0.2.6277.515
road and flight path0.4710.0.0.0.0.471
no access intended0.8490.0.0.4711.241
total33.740.0.7.81441.62
NEroad and skidding track15.290.21002.03017.57
road and skidding road7.8140.0.1.4359.213
road and cable line0.4700.0.0.21000.558
road and flight path0.21000.0.0.0.0.2100
no access intended0.6590.0.0.21000.851
total24.150.21003.82028.23
NWroad and skidding track0.6590.0.0.9491.536
road and skidding road0.4720.0.0.4670.848
road and cable line1.8330.21002.0314.119
road and flight path1.3420.0.0.5711.934
no access intended0.21000.0.0.0.0.2100
total4.4170.21003.8208.46
OWroad and skidding track0.8450.0.0.4711.338
road and skidding road1.4350.21001.6353.223
road and cable line4.4200.0.4.0208.512
road and flight path2.8240.11002.9255.916
no access intended0.8500.0.0.21001.045
total10.3110.3729.21119.84
SGroad and skidding track13.0110.210011.41224.77
road and skidding road3.9230.4716.01810.213
road and cable line2.0310.85010.01312.811
road and flight path1.4380.0.0.9502.330
no access intended4.6211.0493.3258.915
total25.082.43031.6659.03
SHroad and skidding track10.660.0.0.46911.05
road and skidding road1.3390.0.0.0.1.339
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended0.0.0.0.0.0.0.0.
total11.940.0.0.46912.33
SOroad and skidding track21.060.21001.14122.46
road and skidding road6.7150.21000.8517.814
road and cable line0.6590.21000.21001.045
road and flight path0.0.0.0.0.0.0.0.
no access intended0.7570.21000.0.0.950
total29.030.9502.13032.12
SZroad and skidding track4.2210.0.1.3405.418
road and skidding road1.6350.0.1.8333.523
road and cable line5.4170.7568.21314.29
road and flight path2.5280.21001.3384.022
no access intended2.0310.0.0.8492.826
total15.790.84913.4929.93
TGroad and skidding track15.360.0.1.43516.85
road and skidding road2.2280.0.0.8453.024
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.0.0.0.0.0.0.0.
no access intended0.11000.0.0.21000.473
total17.740.0.2.42620.12
TIroad and skidding track5.6190.8508.11514.511
road and skidding road1.0450.21004.5215.719
road and cable line1.8330.85016.41019.010
road and flight path1.0450.8506.9178.715
no access intended32.676.01864.14102.73
total41.968.615100.13150.61
URroad and skidding track1.2400.4720.21001.832
road and skidding road0.4710.0.1.0441.437
road and cable line0.3700.8502.9234.019
road and flight path2.8251.7321.5356.116
no access intended6.3170.8501.5358.614
total11.1113.8217.21322.05
VDroad and skidding track49.450.0.7.41656.94
road and skidding road16.7100.0.1.73318.49
road and cable line2.4290.0.7.3169.814
road and flight path1.0450.21000.6581.833
no access intended7.4160.4713.92211.612
total76.930.65821.0998.52
VSroad and skidding track7.9151.53511.31220.79
road and skidding road2.4290.4713.5236.317
road and cable line7.7162.32927.9737.96
road and flight path9.4141.83316.11027.38
no access intended16.6111.63515.91034.17
total44.067.61674.73126.32
ZGroad and skidding track1.1390.0.0.8411.926
road and skidding road2.0270.0.0.5672.422
road and cable line0.21000.0.1.4281.628
road and flight path0.0.0.0.0.0.0.0.
no access intended0.0.0.0.0.0.0.0.
total3.3170.0.2.6185.95
ZHroad and skidding track37.240.0.0.47137.64
road and skidding road7.3160.0.0.4727.715
road and cable line2.7270.0.0.8503.523
road and flight path0.0.0.0.0.0.0.0.
no access intended0.6580.0.0.0.0.658
total47.820.0.1.63549.42
Switzerlandroad and skidding track347.426.019102.74456.12
road and skidding road122.242.62859.86184.73
road and cable line79.4512.712175.43267.42
road and flight path41.975.91844.6692.54
no access intended131.7414.612121.34267.72
total722.7141.87503.911268.40
© WSL, Swiss National Forest Inventory, 16.06.2020 #887146/353478
NFI4
forest area
rockfall SilvaProtect · concept of transportation system
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aroad and skidding track253.2219.51017.0107.21617.7100.850315.42
road and skidding road77.9515.8118.6153.8235.4197.716119.24
road and cable line9.91430.1816.0117.81624.985.71894.34
road and flight path0.0.7.7169.61414.71119.91013.21265.25
no access intended28.3825.7911.1136.7171.53510.21483.55
total369.3198.8462.2540.2669.5437.57677.51
inside perimeterroad and skidding track0.6580.21001.5381.4380.8500.4714.820
road and skidding road1.4380.6580.21000.4710.0.0.6583.125
road and cable line0.8502.3303.7231.5351.2411.63511.113
road and flight path0.4711.2411.6353.5232.3297.81616.811
no access intended0.8500.21001.0450.4710.0.0.6582.926
total3.9224.5217.9157.2164.42111.01338.97
outside perimeterroad and skidding track18.31014.51214.6117.61614.3111.83371.15
road and skidding road22.6914.3127.3163.0262.72710.01460.06
road and cable line6.31853.1530.0730.6745.9631.17196.93
road and flight path0.8507.3167.51626.0814.51154.95111.04
no access intended6.71716.2114.8206.5170.47111.91246.56
total54.76105.4364.2473.7377.84109.73485.51
totalroad and skidding track272.1234.2733.1716.21032.872.926391.32
road and skidding road101.9430.6816.1107.2168.21518.310182.33
road and cable line17.01185.5449.6539.9672.0438.46302.42
road and flight path1.24116.31118.61044.3636.7775.94193.03
no access intended35.7742.1616.91013.6121.93222.89132.94
total427.91208.71134.32121.12151.62158.321201.91
© WSL, Swiss National Forest Inventory, 16.06.2020 #887147/353479
NFI3
forest area
rockfall SilvaProtect · degree of cover of assured regeneration
unit of reference: protection forest region
unit: %
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
rockfall SilvaProtectdegree of cover of assured regeneration %± %± %± %± %± %± %±
n/aless than 1%9.70.75.61.011.51.73.91.35.01.12.71.28.10.5
1-4%12.70.717.21.718.92.113.92.419.02.115.02.614.70.6
5-9%15.00.818.71.716.62.019.32.720.62.122.33.116.90.6
10-25%26.91.029.32.024.82.437.33.431.02.429.23.328.10.7
26-50%16.70.820.11.817.42.115.42.515.11.923.33.117.30.6
51-75%11.90.77.11.17.51.48.92.06.21.36.51.89.80.5
76-100%7.10.62.00.63.31.01.50.83.00.91.10.85.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 1%14.37.63.83.77.54.22.82.89.66.41.71.75.31.6
1-4%23.69.222.18.017.25.921.56.74.74.623.15.219.72.7
5-9%14.37.610.65.823.56.928.77.422.68.922.25.221.32.8
10-25%18.98.538.39.133.97.628.57.340.310.530.55.831.73.2
26-50%19.28.614.86.87.44.110.44.913.47.212.94.312.42.3
51-75%4.74.60.0.10.54.95.43.79.46.38.13.56.71.7
76-100%5.04.910.45.70.0.2.62.50.0.1.61.62.81.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 1%8.51.65.00.99.41.54.01.011.01.55.60.96.90.5
1-4%10.11.713.21.418.52.017.61.923.02.016.01.516.40.7
5-9%13.62.020.31.617.21.923.42.118.61.925.11.820.40.8
10-25%31.82.735.11.926.72.333.82.427.42.132.11.931.50.9
26-50%21.72.316.21.516.41.916.21.815.21.712.81.315.90.7
51-75%10.11.78.21.18.61.54.21.03.90.96.81.06.90.5
76-100%4.21.12.00.63.10.90.80.40.90.41.60.52.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 1%9.50.65.20.710.31.13.90.88.21.04.70.77.50.3
1-4%12.50.715.21.118.61.416.71.420.81.416.31.215.60.4
5-9%14.90.719.41.217.31.422.41.619.61.424.31.518.50.5
10-25%27.50.932.61.426.21.634.61.929.41.631.31.629.60.6
26-50%17.30.817.91.116.41.415.61.415.11.215.11.216.60.5
51-75%11.60.77.50.88.21.05.80.95.10.86.80.98.50.3
76-100%6.70.52.20.43.00.61.10.41.80.51.50.43.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 16.06.2020 #887148/353480
NFI4
forest area
rockfall SilvaProtect · type of next treatment (interview survey)
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
rockfall SilvaProtecttype of next treatment (interview survey) %± %± %± %± %± %± %±
n/ano treatment7.80.611.81.113.01.418.31.725.91.811.21.312.50.4
tending11.80.64.90.73.00.71.30.51.80.50.30.26.10.3
thinning27.61.07.70.97.31.10.40.31.30.50.60.313.20.4
establishment cut10.60.75.00.75.70.90.70.45.50.90.60.36.40.3
removal cut4.50.51.40.40.50.30.40.30.70.30.30.22.20.2
plentering6.10.53.90.60.70.30.0.1.30.50.0.3.30.2
thinning of mountain forest0.10.16.80.86.41.02.60.74.30.81.40.52.90.2
coppice cut0.30.10.0.0.0.0.0.0.0.0.50.30.20.1
conversion0.80.20.20.20.0.0.0.0.0.0.0.0.30.1
transformation0.10.10.0.0.0.0.0.0.0.0.0.0.10.0
sanitary felling1.70.30.70.30.30.20.20.20.0.0.30.20.90.1
plentering in broadleaf forest10.60.70.40.24.30.80.0.0.0.0.0.4.70.3
tending of forest edge1.50.30.20.21.00.40.20.20.20.20.30.20.80.1
planting0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
agrosilvicultural treatments2.30.30.60.20.80.40.60.40.70.30.70.31.30.2
total86.00.843.71.643.12.024.81.941.72.016.31.554.90.6
inside perimeterno treatment0.20.10.50.21.10.43.70.81.10.45.30.91.40.2
tending0.10.10.60.30.50.30.20.20.20.20.0.0.20.1
thinning0.20.10.60.30.0.0.40.30.0.0.20.20.20.1
establishment cut0.30.10.0.0.70.30.20.20.80.40.0.0.30.1
removal cut0.00.00.0.0.20.20.0.0.0.0.0.0.00.0
plentering0.0.0.0.0.0.0.0.0.10.10.0.0.00.0
thinning of mountain forest0.10.10.70.32.40.62.40.70.20.22.00.60.90.1
coppice cut0.0.0.0.0.0.0.0.0.0.0.20.20.00.0
conversion0.0.0.0.0.0.0.0.0.0.0.0.0.0.
transformation0.0.0.0.0.0.0.0.0.0.0.0.0.0.
sanitary felling0.0.0.0.0.0.0.0.0.0.0.0.0.0.
plentering in broadleaf forest0.10.10.0.1.00.40.0.0.0.0.0.0.10.1
tending of forest edge0.0.0.0.0.0.0.0.0.0.0.0.0.0.
planting0.0.0.0.0.0.0.0.0.0.0.0.0.0.
agrosilvicultural treatments0.0.0.0.0.0.0.0.0.0.0.20.20.00.0
total0.90.22.30.55.81.06.91.12.40.67.81.13.20.2
outside perimeterno treatment2.00.312.31.112.11.433.62.134.01.949.82.017.10.5
tending1.10.25.60.84.50.81.80.62.50.60.90.42.50.2
thinning3.50.45.20.78.61.13.10.82.80.74.70.94.40.3
establishment cut2.50.35.70.85.40.97.41.18.41.13.00.74.60.3
removal cut0.70.21.40.41.60.50.40.30.80.42.00.61.10.1
plentering0.80.26.00.81.50.50.20.20.70.30.20.21.70.2
thinning of mountain forest0.70.214.61.19.01.218.91.75.91.010.71.27.50.3
coppice cut0.10.10.0.0.0.0.20.20.0.2.20.60.30.1
conversion0.0.0.60.30.50.30.0.0.0.0.50.30.20.1
transformation0.0.0.10.10.20.20.0.0.0.0.20.20.10.0
sanitary felling0.20.10.90.30.50.30.80.40.0.0.60.30.50.1
plentering in broadleaf forest1.00.20.60.36.11.00.0.0.10.10.0.1.20.1
tending of forest edge0.20.10.30.20.70.30.20.20.30.20.20.20.30.1
planting0.0.0.0.0.0.0.0.0.0.0.0.0.0.
agrosilvicultural treatments0.30.10.60.30.30.21.80.60.30.20.80.40.60.1
total13.10.754.01.651.12.168.42.055.92.075.81.741.80.6
totalno treatment10.00.724.61.426.21.855.62.261.02.066.41.931.00.6
tending12.90.711.01.08.01.13.30.84.50.81.30.48.80.4
thinning31.21.013.51.115.81.53.80.84.00.85.60.917.70.5
establishment cut13.40.710.71.011.81.38.31.214.71.43.60.811.30.4
removal cut5.20.52.90.62.20.60.80.41.50.52.40.63.30.2
plentering6.90.59.91.02.20.60.20.22.10.60.20.25.00.3
thinning of mountain forest0.90.222.11.317.81.623.91.910.51.214.11.411.30.4
coppice cut0.40.10.0.0.0.0.20.20.0.2.80.70.50.1
conversion0.80.20.80.30.50.30.0.0.0.0.50.30.60.1
transformation0.10.10.10.10.20.20.0.0.0.0.20.20.10.0
sanitary felling2.00.31.60.40.80.41.00.40.0.1.00.41.30.2
plentering in broadleaf forest11.70.71.00.311.51.30.0.0.10.10.0.6.00.3
tending of forest edge1.70.30.60.31.70.50.40.30.50.30.50.31.10.1
planting0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
agrosilvicultural treatments2.60.41.20.41.20.42.40.71.00.41.60.51.90.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #887149/353481
NFI4
forest area
rockfall SilvaProtect · type of next treatment (interview survey)
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
rockfall SilvaProtecttype of next treatment (interview survey) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/ano treatment6.61.632.713.426.39.020.51.97.33.213.93.126.314.541.38.767.82.515.33.411.52.56.12.354.112.645.07.021.03.91.61.615.33.048.15.64.02.175.43.857.88.317.62.075.63.35.45.26.41.627.40.7
tending17.42.10.0.6.84.711.41.511.02.918.73.231.615.96.44.44.61.114.53.310.82.24.31.76.46.310.94.312.83.23.92.711.42.52.81.916.73.00.80.70.0.13.91.75.51.813.56.712.42.010.50.5
thinning34.03.144.814.228.39.226.62.130.35.327.84.042.116.86.14.12.80.929.44.332.23.67.92.310.57.31.41.423.84.062.06.436.24.010.53.546.74.84.61.88.44.523.12.12.81.324.111.127.62.822.40.7
establishment cut11.92.16.05.916.37.011.51.511.63.719.63.40.0.0.0.9.91.614.13.215.62.73.71.86.05.910.84.514.33.34.82.612.82.717.74.413.03.51.51.10.0.15.01.82.21.10.0.6.31.610.70.5
removal cut6.91.70.0.4.94.93.60.94.92.47.42.40.0.0.0.1.20.68.02.62.91.31.51.112.48.53.62.62.71.50.0.3.91.61.51.58.92.91.51.10.0.5.91.21.10.80.0.2.61.13.70.3
plentering0.0.0.0.0.0.5.81.10.0.0.0.0.0.0.0.2.50.81.81.211.42.452.54.40.0.3.62.64.62.00.0.0.50.50.0.0.0.0.0.0.0.12.21.70.0.7.17.00.30.35.40.4
thinning of mountain forest0.0.0.0.0.0.7.91.20.0.2.71.30.0.24.17.88.11.50.0.12.32.60.0.6.05.924.76.23.61.80.0.0.0.18.14.40.0.5.21.931.37.90.50.48.12.17.17.00.0.5.00.4
coppice cut0.0.0.0.0.0.0.0.0.0.1.61.10.0.0.0.0.30.30.0.0.0.0.80.80.0.0.0.0.0.0.0.0.0.0.0.0.0.2.31.30.0.1.00.50.0.0.0.0.40.40.40.1
conversion0.90.60.0.0.0.1.40.61.51.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.80.80.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.0.0.3.61.20.60.1
transformation0.0.0.0.0.0.0.40.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.80.80.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.1
sanitary felling1.30.80.0.0.0.2.30.70.0.5.12.10.0.3.83.70.0.3.61.80.0.5.52.10.0.0.0.1.61.10.0.0.50.50.0.0.80.81.61.10.0.2.00.71.10.80.0.1.20.71.50.2
plentering in broadleaf forest18.02.516.510.77.85.66.01.125.85.00.0.0.0.18.36.40.0.0.0.0.60.62.11.20.0.0.0.8.72.725.95.818.23.21.41.47.52.60.0.0.0.0.20.20.0.42.812.836.33.27.90.4
tending of forest edge2.71.10.0.5.73.90.90.57.63.03.21.60.0.0.0.0.30.31.81.31.91.10.90.80.0.0.0.2.51.41.91.91.10.80.0.2.51.72.41.40.0.0.80.50.60.60.0.2.00.91.50.2
planting0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.50.50.10.0
agrosilvicultural treatments0.40.40.0.3.93.81.40.50.0.0.0.0.0.0.0.2.40.811.42.90.60.614.03.24.54.40.0.3.51.70.0.0.0.0.0.0.0.4.71.92.52.57.31.43.01.30.0.0.40.42.80.3
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 perimeterno treatment......30.89.60.0.....15.49.963.58.40.0...0.0.0.0.0.0.16.815.2..19.818.20.0...71.17.318.910.070.025.755.58.3....45.13.6
tending......21.98.60.0.....7.77.43.33.20.0...0.0.0.0.59.134.216.815.2..0.0.0.0...0.0.14.69.50.0.2.82.8....6.61.8
thinning......30.69.658.934.2....0.0.0.0.16.515.1..0.0.0.0.0.0.0.0...0.0.0.0...2.72.60.0.0.0.5.23.6....6.61.8
establishment cut......0.0.41.134.2....0.0.15.36.350.520.4..100.0.0.0.0.0.37.217.8..53.525.233.327.7..0.0.0.0.0.0.2.82.7....9.32.1
removal cut......4.14.00.0.....0.0.0.0.0.0...0.0.0.0.0.0.0.0...0.0.33.327.7..0.0.0.0.0.0.0.0.....1.10.8
plentering......0.0.0.0.....0.0.2.82.80.0...0.0.0.0.0.0.0.0...0.0.0.0...0.0.0.0.0.0.0.0.....0.50.5
thinning of mountain forest......12.66.80.0.....31.712.915.16.233.019.0..0.0.100.0.40.934.216.815.2..0.0.33.327.7..21.56.766.512.530.025.733.77.9....25.93.2
coppice cut......0.0.0.0.....0.0.0.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0...2.42.40.0.0.0.0.0.....0.50.5
conversion......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.
transformation......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.
sanitary felling......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.
plentering in broadleaf forest......0.0.0.0.....45.314.30.0.0.0...0.0.0.0.0.0.12.311.7..26.722.90.0...0.0.0.0.0.0.0.0.....3.91.4
tending of forest edge......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.
planting......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.
agrosilvicultural treatments......0.0.0.0.....0.0.0.0.0.0...0.0.0.0.0.0.0.0...0.0.0.0...2.42.40.0.0.0.0.0.....0.50.5
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.
outside perimeterno treatment33.815.922.511.25.35.325.92.222.110.011.13.8..30.57.759.62.224.15.95.03.59.46.413.99.237.47.428.83.80.0.23.013.928.45.70.0.72.42.118.27.012.93.351.42.60.0.0.0.43.51.0
tending10.09.57.57.312.78.37.61.40.0.6.22.9..8.44.75.51.09.64.012.45.15.14.933.610.714.45.09.42.40.0.0.0.13.34.39.18.70.20.28.54.512.43.22.80.96.05.925.015.45.90.5
thinning56.216.623.610.039.612.211.71.625.310.913.84.1..0.0.4.71.023.05.830.37.18.65.80.0.9.24.522.43.4100.0.23.312.27.33.248.813.45.91.115.96.413.73.44.51.112.07.613.712.79.90.6
establishment cut0.0.5.45.437.111.39.91.511.88.014.74.2..0.0.12.01.522.75.810.04.75.04.99.26.25.53.711.22.60.0.0.0.14.74.50.0.3.20.93.33.233.54.610.41.60.0.0.0.10.40.6
removal cut0.0.0.0.0.0.2.40.817.09.16.83.0..5.13.52.30.77.63.72.52.50.0.4.64.62.42.42.51.20.0.0.0.4.42.50.0.1.70.70.0.2.81.60.50.40.0.0.0.2.30.3
plentering0.0.7.57.30.0.13.21.70.0.11.03.4..0.0.1.00.50.0.5.03.457.611.04.64.60.0.4.81.80.0.0.0.1.61.50.0.0.0.0.0.1.01.00.30.37.27.10.0.3.70.4
thinning of mountain forest0.0.12.99.00.0.20.92.10.0.28.55.2..22.07.012.21.57.63.734.87.39.36.434.111.131.07.15.52.00.0.0.0.28.75.70.0.11.31.550.99.216.33.726.12.30.0.0.0.17.20.8
coppice cut0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.00.80.0.1.91.30.20.20.0.0.0.0.70.2
conversion0.0.7.57.30.0.1.10.60.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.70.0.0.0.0.0.0.0.0.70.40.0.1.01.00.0.16.610.90.0.0.50.2
transformation0.0.0.0.0.0.0.0.0.0.1.21.2..0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.19.70.10.1
sanitary felling0.0.0.0.0.0.1.40.65.15.02.71.9..0.0.0.0.1.71.70.0.0.0.0.0.0.0.1.81.10.0.0.0.0.0.5.75.60.90.40.0.3.61.81.10.50.0.0.0.1.00.2
plentering in broadleaf forest0.0.12.99.05.35.32.50.813.48.81.41.4..31.47.80.20.20.0.0.0.5.04.90.0.0.0.10.82.50.0.46.315.50.0.36.413.50.0.0.0.0.0.0.0.58.313.337.517.42.70.3
tending of forest edge0.0.0.0.0.0.1.60.75.25.11.31.3..2.62.50.60.40.0.0.0.0.0.0.0.0.0.1.30.90.0.0.0.0.0.0.0.0.20.20.0.0.0.0.30.30.0.13.712.70.70.2
planting0.0.0.0.0.0.0.0.0.0.0.0...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.
agrosilvicultural treatments0.0.0.0.0.0.1.80.70.0.1.41.4..0.0.1.40.53.82.60.0.0.0.0.0.0.0.0.80.80.0.7.47.21.61.60.0.0.50.33.33.20.90.92.50.80.0.0.0.1.40.2
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalno treatment7.61.727.48.618.96.323.21.49.83.212.92.426.314.532.55.163.11.617.42.910.32.26.52.134.48.340.75.025.22.71.51.515.92.938.34.03.61.873.01.835.45.116.91.758.92.03.13.16.21.534.60.6
tending17.22.03.93.98.94.110.01.08.82.314.32.331.615.97.53.05.00.712.52.411.12.04.41.618.86.413.43.211.01.93.82.610.42.37.42.215.82.80.30.26.02.613.51.53.60.810.34.212.82.08.50.3
thinning34.83.033.78.832.27.220.11.430.14.722.93.042.116.82.41.73.80.627.03.431.83.17.92.15.43.95.02.322.42.563.16.334.33.88.82.447.04.45.40.99.62.921.01.84.00.818.97.327.12.816.80.5
establishment cut11.42.05.73.823.65.710.51.012.33.417.92.60.0.0.0.11.31.118.02.914.62.34.71.87.44.28.22.713.22.04.62.613.12.716.83.011.43.22.60.71.21.218.91.77.41.10.0.6.01.610.50.4
removal cut6.61.60.0.3.23.23.10.67.02.67.21.90.0.2.31.61.80.47.62.02.91.21.30.98.55.03.01.72.50.90.0.3.51.43.51.57.82.61.60.50.0.5.21.00.70.30.0.2.51.03.10.2
plentering0.0.3.93.90.0.9.01.00.0.3.81.20.0.0.0.1.70.41.20.810.22.152.74.02.12.11.81.34.61.30.0.0.50.50.70.70.0.0.0.0.0.9.71.30.20.27.15.10.30.34.50.2
thinning of mountain forest0.0.6.84.90.0.13.81.10.0.11.72.10.0.24.34.910.61.03.51.416.52.51.20.921.06.327.94.65.01.40.0.0.0.23.13.50.0.10.71.345.45.64.10.921.11.74.14.00.0.10.60.4
coppice cut0.0.0.0.0.0.0.0.0.0.1.10.70.0.0.0.0.20.20.0.0.0.0.70.70.0.0.0.0.0.0.0.0.0.0.0.0.0.2.80.70.0.1.20.50.10.10.0.0.40.40.50.1
conversion0.80.63.93.90.0.1.20.41.21.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.50.0.0.0.0.0.0.0.0.50.30.0.0.40.30.0.7.15.13.51.20.60.1
transformation0.0.0.0.0.0.0.20.20.0.0.40.40.0.0.0.0.10.10.0.0.0.0.70.70.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.10.0
sanitary felling1.30.70.0.0.0.1.80.50.90.94.31.50.0.1.51.50.0.2.91.30.0.4.81.80.0.0.0.1.70.70.0.0.50.50.0.1.41.01.00.40.0.2.40.71.00.40.0.1.20.71.30.1
plentering in broadleaf forest17.32.414.67.06.94.14.30.723.04.30.50.50.0.28.34.90.10.10.0.0.50.52.41.20.0.0.0.10.01.825.15.720.43.20.70.710.93.00.0.0.0.0.20.20.0.49.59.336.43.15.60.3
tending of forest edge2.61.00.0.3.72.61.20.47.02.62.51.10.0.1.21.20.50.21.20.81.60.90.70.70.0.0.0.1.80.81.91.91.00.70.0.2.21.50.70.30.0.0.60.40.30.20.0.2.41.01.10.1
planting0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.50.50.00.0
agrosilvicultural treatments0.40.40.0.2.52.51.50.40.0.0.50.50.0.0.0.1.80.58.72.10.50.512.02.72.32.30.0.1.90.90.0.0.50.50.70.70.0.1.50.52.31.65.91.12.50.70.0.0.40.42.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #887150/353482
NFI3
forest area
rockfall SilvaProtect · stand stability
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectstand stability %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/acritical4.70.82.41.15.01.46.11.39.11.22.81.22.80.71.90.72.30.93.81.62.91.31.70.52.00.50.50.33.40.2
less stable20.91.528.43.031.13.032.62.534.82.012.82.321.51.913.61.814.02.014.53.110.72.59.91.212.01.27.81.018.30.5
stable53.21.857.63.353.53.247.82.650.52.125.43.027.02.034.02.524.62.530.74.018.63.119.11.630.71.713.51.234.20.6
total78.81.488.52.189.62.086.61.894.51.040.93.451.32.249.62.640.92.849.04.332.23.830.71.944.71.821.81.555.80.6
inside perimetercritical0.10.10.0.0.0.0.0.0.0.0.0.0.20.20.30.30.30.30.80.81.10.70.20.20.0.0.10.10.10.0
less stable0.70.30.0.0.0.0.30.30.0.0.0.0.60.40.30.33.41.07.42.35.11.82.90.71.10.42.50.61.40.2
stable1.40.40.60.60.0.0.0.0.0.0.40.40.0.0.30.32.00.84.61.84.51.73.10.71.60.54.50.71.60.2
total2.20.50.60.60.0.0.30.30.0.0.40.40.80.40.80.55.71.312.83.010.72.56.11.02.70.67.20.93.20.2
outside perimetercritical0.90.30.80.60.80.50.80.50.20.23.71.33.60.83.81.03.01.00.70.73.71.53.50.82.00.52.70.62.10.2
less stable5.50.83.11.22.51.05.01.22.60.720.12.721.91.913.91.824.22.511.82.820.13.319.61.616.51.425.01.614.20.4
stable12.61.27.01.77.21.77.31.32.70.734.83.322.41.931.82.426.22.525.73.833.33.840.12.034.01.743.21.824.70.5
total18.91.411.02.110.42.013.11.85.51.058.73.447.92.249.62.653.42.938.24.257.14.063.11.952.61.871.01.641.00.6
totalcritical5.70.83.31.25.81.56.91.39.31.26.51.76.61.16.01.35.71.35.31.97.72.05.40.94.00.73.40.75.60.3
less stable27.11.631.53.133.63.137.92.637.52.132.93.243.92.227.82.341.62.933.84.235.93.932.41.929.71.735.31.733.90.6
stable67.21.765.23.260.73.255.12.653.22.160.63.449.52.366.22.552.72.961.04.356.44.062.22.066.31.861.31.860.50.6
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, 03.07.2020 #887151/353483
NFI4
forest area
rockfall SilvaProtect · degree of cover of regeneration (7 classes)
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
rockfall SilvaProtectdegree of cover of regeneration (7 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a< 1%2.51.06.84.91.91.91.60.41.21.22.81.110.510.53.92.23.40.61.20.82.41.11.01.09.75.41.01.02.10.97.53.60.80.80.60.65.01.91.80.50.0.1.80.60.70.38.15.41.90.82.10.2
1-4%5.91.511.76.413.85.66.80.93.31.96.31.710.510.59.13.39.61.04.01.58.52.08.52.411.55.36.82.77.11.611.44.15.11.87.22.12.71.33.00.74.02.310.81.46.21.06.64.86.31.57.00.3
5-9%5.61.56.74.63.23.26.20.82.21.68.32.05.24.96.82.96.40.87.72.112.92.46.62.06.44.512.73.55.51.49.43.99.32.311.12.65.52.15.20.95.82.610.11.48.91.22.62.65.41.57.20.3
10-25%20.32.63.93.717.16.114.81.215.73.823.93.131.615.95.02.511.71.119.93.127.43.121.33.510.95.417.13.813.02.114.04.717.83.120.63.415.13.56.31.014.14.021.01.88.61.227.58.519.92.615.00.5
26-50%20.12.618.67.615.85.79.71.021.44.312.82.410.510.55.12.55.40.811.32.416.82.623.33.513.25.89.13.07.31.623.95.717.23.15.21.920.53.83.70.813.53.714.91.63.60.84.14.015.52.310.30.4
51-75%18.12.50.0.9.65.07.20.913.73.69.52.221.114.05.82.53.20.612.32.58.82.016.53.20.0.4.32.14.01.213.34.419.73.26.72.118.03.80.80.33.41.910.81.41.60.53.13.122.92.77.70.3
76-100%23.82.70.0.3.82.66.40.822.44.21.50.910.510.53.52.01.10.49.32.24.41.49.02.40.0.0.70.73.01.117.45.120.63.12.21.321.33.90.30.22.31.68.71.30.50.35.13.424.92.86.50.3
total96.21.247.69.765.07.052.91.779.94.165.23.1100.0.39.35.640.71.765.73.681.12.886.22.851.78.551.85.242.03.096.92.190.52.453.54.288.13.021.11.643.15.578.21.930.11.957.18.496.71.255.90.6
inside perimeter< 1%0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.21.20.10.10.0.0.0.0.0.0.0.0.0.0.50.50.0.0.0.0.0.0.0.0.0.3.92.30.0.0.0.0.0.0.0.0.10.0
1-4%0.0.0.0.0.0.0.10.10.0.0.0.0.0.3.92.21.70.40.0.0.0.0.0.0.0.0.0.0.30.30.0.0.0.0.0.0.0.1.70.51.21.20.0.0.80.40.0.0.0.0.60.1
5-9%0.0.0.0.0.0.0.60.30.0.0.0.0.0.2.41.70.40.21.81.00.0.0.90.90.0.0.70.70.0.0.0.0.80.80.0.0.0.1.80.52.51.70.20.22.30.60.0.0.0.0.70.1
10-25%0.0.0.0.0.0.0.80.32.21.60.0.0.0.3.92.21.30.40.60.60.0.0.0.0.0.0.0.0.80.60.0.1.30.90.80.80.0.1.80.56.42.80.40.31.50.50.0.0.0.1.00.1
26-50%0.0.0.0.0.0.0.20.20.0.0.0.0.0.1.21.20.40.20.0.0.0.0.0.2.12.10.0.0.70.50.0.0.80.80.80.80.0.1.00.43.62.10.0.1.20.50.0.0.0.0.50.1
51-75%0.0.0.0.0.0.0.50.20.0.0.0.0.0.2.71.90.0.0.60.60.0.0.0.0.0.1.01.00.0.0.0.0.0.0.0.0.0.0.20.21.31.30.0.0.30.20.0.0.0.0.20.1
76-100%0.0.0.0.0.0.0.50.20.0.0.0.0.0.0.0.0.0.0.60.60.0.0.0.0.0.0.0.0.50.50.0.0.0.0.80.80.0.0.20.20.0.0.0.0.0.0.0.0.0.0.10.1
total0.0.0.0.0.0.2.70.62.21.60.0.0.0.15.24.03.80.63.51.40.0.0.90.92.12.11.71.32.71.00.0.2.91.42.41.30.0.6.61.018.94.50.60.46.21.00.0.0.0.3.20.2
outside perimeter< 1%0.0.11.86.41.91.91.00.31.21.22.61.10.0.5.42.67.00.90.60.60.60.60.0.3.13.12.21.54.71.30.0.0.0.3.01.30.0.4.40.81.51.50.40.33.90.84.14.00.0.2.70.2
1-4%0.40.49.65.58.24.75.00.80.90.93.21.20.0.8.33.214.01.22.31.11.60.90.70.73.13.17.62.86.81.61.51.50.0.5.62.00.0.18.01.54.92.41.40.516.11.50.0.0.0.7.60.3
5-9%0.40.47.95.43.72.67.70.92.81.63.71.30.0.2.41.79.51.02.81.31.90.90.0.10.75.310.23.28.01.70.0.0.0.7.22.10.0.18.31.64.92.44.61.012.31.40.0.0.0.7.30.3
10-25%0.80.613.56.411.24.215.31.27.82.811.92.20.0.10.93.514.31.211.02.46.01.72.51.25.53.813.93.713.92.20.0.2.01.013.22.82.81.618.61.68.93.26.21.120.71.711.35.41.20.711.90.4
26-50%0.40.46.84.95.63.29.81.03.01.76.11.60.0.10.13.57.60.95.81.87.01.83.21.46.43.35.82.311.11.90.0.0.80.810.12.64.92.09.21.214.44.04.40.98.51.212.86.30.50.57.00.3
51-75%0.80.62.82.84.43.13.80.70.0.4.41.40.0.6.22.72.80.64.71.60.90.73.01.36.64.54.32.16.91.50.0.0.80.83.51.54.21.92.70.63.62.02.40.71.90.68.74.90.70.52.90.2
76-100%0.80.60.0.0.0.1.80.52.11.52.91.20.0.2.31.60.30.23.61.40.90.73.61.610.85.32.61.53.81.21.51.53.11.41.51.10.0.0.90.40.0.1.70.60.20.26.14.10.90.61.50.2
total3.81.252.49.735.07.044.41.717.83.934.83.10.0.45.65.755.51.730.73.518.92.813.02.746.28.746.45.255.23.13.12.16.72.044.14.211.93.072.31.838.15.321.21.863.71.942.98.43.31.240.90.6
total< 1%2.51.018.67.63.72.62.60.52.41.75.41.510.510.510.53.510.51.01.81.03.01.21.01.012.86.13.21.87.21.67.53.60.80.83.61.45.01.96.11.05.42.72.20.74.60.912.26.21.90.85.00.3
1-4%6.31.621.38.122.06.712.01.14.22.19.52.110.510.521.34.725.31.56.31.810.12.29.22.414.65.614.33.714.32.213.04.35.11.812.82.82.71.322.71.710.13.412.21.523.11.76.64.86.31.515.20.5
5-9%6.01.514.67.06.94.114.61.25.02.212.02.35.24.911.63.716.21.312.32.514.72.57.42.217.16.723.64.413.52.19.43.910.12.418.33.25.52.125.31.813.23.614.91.623.61.82.62.65.41.515.30.5
10-25%21.12.717.37.128.37.030.91.625.84.735.83.431.615.919.84.527.31.531.53.633.43.323.83.716.46.331.04.827.82.714.04.721.23.334.54.117.93.726.81.829.35.227.72.030.81.938.89.321.12.727.80.6
26-50%20.52.625.48.521.46.119.71.424.44.518.92.810.510.516.34.213.31.217.12.923.83.026.53.721.76.814.93.719.12.423.95.718.83.216.13.125.44.013.91.431.55.119.41.813.31.416.87.215.92.417.70.5
51-75%19.02.52.82.814.05.811.61.113.73.613.92.521.114.014.73.86.00.817.62.99.72.019.53.46.64.59.73.010.91.913.34.420.43.310.22.522.24.13.70.88.33.013.21.53.90.811.85.423.62.710.90.4
76-100%24.62.70.0.3.82.68.71.024.54.34.41.410.510.55.92.61.40.413.52.65.31.512.62.810.85.33.31.67.21.618.95.323.63.34.51.821.33.91.40.52.31.610.41.40.70.411.35.425.82.88.20.3
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.
© WSL, Swiss National Forest Inventory, 03.07.2020 #887152/353484
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