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NFI4
stem number
lower/higher altitudinal zones
unit of reference: production region
unit: n/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
lower/higher altitudinal zones n/ha± % n/ha± % n/ha± % n/ha± % n/ha± % n/ha± %
lowlands408237524503468453944221
high altitude areas4094352134293435243344291
total408237424372442248434261
© WSL, Swiss National Forest Inventory, 16.06.2020 #887105/353437
NFI4
root mass of live trees (Zell, Wutzler)
conifers and broadleaves
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
conifers and broadleaves %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
conifers43.33.182.04.978.84.273.71.331.44.466.12.917.49.367.04.791.40.855.12.974.72.678.12.466.56.679.43.667.32.345.74.840.73.074.43.153.04.139.12.481.33.766.71.790.30.973.25.756.72.669.20.5
broadleaves56.73.118.04.921.24.226.31.368.64.433.92.982.69.333.04.78.60.844.92.925.32.621.92.433.56.620.63.632.72.354.34.859.33.025.63.147.04.160.92.418.73.733.31.79.70.926.85.743.32.630.80.5
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 #887106/353438
NFI3
root mass of live trees (Zell, Wutzler)
conifers and broadleaves
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
conifers and broadleaves %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
conifers63.61.233.12.551.83.061.92.256.41.782.72.079.11.572.11.776.22.479.22.766.63.690.90.894.00.747.92.269.70.5
broadleaves36.41.266.92.548.23.038.12.243.61.717.32.020.91.527.91.723.82.420.82.733.43.69.10.86.00.752.12.230.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 03.07.2020 #887107/353439
NFI3
volume
rockfall SilvaProtect · main tree species
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 SilvaProtectmain tree species %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aspruce36.71.618.32.432.33.036.62.235.21.764.95.156.42.759.32.866.15.162.85.963.18.636.84.161.32.521.53.742.40.8
fir24.91.48.41.711.42.022.11.913.41.314.13.425.12.416.72.16.12.013.54.25.52.51.91.02.60.83.52.115.70.6
pine2.80.54.00.83.51.02.40.55.70.70.00.01.70.80.40.20.40.22.21.20.30.38.32.010.71.63.61.73.70.2
larch0.10.11.10.52.30.80.80.31.40.30.0.0.60.50.60.32.81.1-0.10.10.80.634.53.615.01.619.33.03.30.2
stone pine0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.40.20.90.70.0.3.71.14.10.80.20.10.40.1
other conifers0.10.01.50.70.90.51.80.60.80.40.0.0.0.0.00.00.10.10.10.10.0.0.10.10.20.10.00.00.50.1
beech24.31.242.32.725.42.324.12.023.81.412.83.511.71.812.51.612.04.89.52.516.53.91.81.12.50.76.61.919.80.6
maple3.80.34.40.72.30.51.90.44.00.42.20.82.20.52.70.53.71.13.81.12.91.31.10.40.20.11.51.02.90.1
ash2.50.36.61.27.51.34.71.27.70.74.41.51.30.75.61.11.70.62.61.46.74.51.80.80.90.44.21.44.40.3
oak2.60.47.51.59.81.83.20.65.10.70.80.40.30.10.60.30.90.71.71.30.20.21.70.60.60.42.71.13.30.3
chestnut0.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.00.00.0.0.0.1.20.80.0.18.94.30.50.1
other broadleaves2.10.35.91.74.21.02.40.53.10.40.80.30.70.21.70.55.92.43.11.23.92.27.11.71.90.417.92.93.20.2
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.
inside perimeterspruce19.76.381.1...66.9...70.620.225.914.60.0.48.011.173.68.943.29.635.28.558.711.425.06.138.93.5
fir3.61.70.0...0.0...0.0.27.910.55.64.53.62.59.56.24.23.69.75.810.46.94.74.27.71.9
pine8.54.70.0...0.0...0.0.1.31.20.0.1.21.37.14.40.0.6.93.718.88.74.64.16.01.6
larch1.51.40.0...0.0...0.0.0.0.0.0.1.61.60.0.13.17.933.88.52.41.511.44.19.32.0
stone pine0.0.0.0...0.0...0.0.0.0.0.0.0.50.50.0.0.0.3.92.35.53.80.0.1.20.5
other conifers0.0.0.0...0.0...11.313.10.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.10.1
beech55.510.518.90.0..1.00.0..0.0.34.211.180.59.734.211.34.02.223.88.93.11.24.22.88.72.820.02.8
maple4.22.10.0...17.8...10.81.31.11.11.61.32.81.31.01.05.41.50.40.30.00.01.40.52.10.4
ash2.52.10.0...11.5...5.56.37.05.16.15.43.63.63.12.57.94.10.90.50.0.3.32.03.30.9
oak1.81.60.0...0.0...1.92.20.0.4.03.50.0.0.0.0.0.0.80.70.0.2.21.10.90.3
chestnut0.0.0.0...0.0...0.0.0.0.0.0.0.0.0.0.0.0.1.50.90.0.20.75.74.71.4
other broadleaves2.71.80.0...2.70.0..0.0.2.61.32.21.94.43.41.61.22.32.13.82.40.0.17.94.15.81.1
total100.0.100.0...100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterspruce21.62.713.93.832.69.222.64.719.54.159.33.143.02.444.82.862.43.353.66.351.75.050.62.271.71.930.92.346.90.9
fir27.52.87.83.64.02.622.74.419.64.424.43.029.92.420.81.913.32.316.94.011.12.74.20.94.00.85.00.914.10.6
pine3.51.24.92.82.11.31.40.92.21.10.0.0.50.30.90.50.80.43.92.02.31.66.30.92.90.60.50.32.10.2
larch0.0.0.50.40.0.0.60.62.52.20.30.30.10.10.70.40.80.40.30.33.01.328.02.013.21.414.51.38.30.4
stone pine0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.30.30.0.3.20.62.40.50.0.0.80.1
other conifers0.60.40.30.30.0.0.40.20.60.60.30.30.20.20.10.00.10.10.00.0-0.10.10.00.00.10.00.20.10.20.1
beech34.62.655.35.228.47.234.94.623.54.410.11.720.12.321.22.111.01.914.03.617.63.12.20.52.60.820.22.115.60.6
maple5.30.75.31.96.53.23.30.911.73.43.00.52.20.34.90.75.60.92.80.88.62.00.80.20.70.20.80.22.80.2
ash4.41.26.32.315.84.59.32.815.44.11.60.62.00.44.40.81.90.64.52.62.80.90.80.20.50.21.90.42.60.2
oak0.70.41.00.75.92.93.51.73.61.60.10.10.20.10.50.20.70.40.90.60.0.0.40.20.20.12.90.61.00.1
chestnut0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.00.012.71.32.10.2
other broadleaves1.70.34.81.64.73.51.30.51.50.70.90.21.50.41.60.43.50.92.80.93.00.93.20.51.60.410.40.93.40.2
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.
totalspruce33.31.317.82.132.32.934.72.034.31.761.42.749.31.850.72.062.92.760.53.855.04.246.91.967.31.529.11.944.10.6
fir24.91.28.31.610.81.822.11.813.71.220.42.327.51.718.81.410.11.514.32.68.31.84.10.83.70.64.80.814.80.4
pine3.10.44.10.83.40.92.30.45.50.60.00.01.10.40.70.30.60.33.61.21.30.86.80.86.30.81.30.53.10.2
larch0.10.11.00.42.10.70.80.21.50.30.20.20.30.30.70.31.60.50.10.13.31.229.71.713.61.014.91.25.50.2
stone pine0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.00.00.20.10.50.30.0.3.40.53.20.40.00.00.60.1
other conifers0.20.11.30.60.90.41.60.50.70.30.20.20.10.10.10.00.10.10.10.0-0.00.10.00.00.10.00.20.10.40.1
beech27.21.143.92.525.72.225.61.823.71.311.11.616.21.418.01.412.72.210.61.817.92.32.10.42.60.517.41.718.00.4
maple4.10.34.50.62.60.62.10.44.40.42.70.42.20.33.90.44.70.62.90.66.21.20.90.20.50.11.00.22.80.1
ash2.90.46.61.18.31.25.41.18.10.72.70.71.80.45.00.61.90.53.41.34.81.81.00.30.70.22.40.43.70.2
oak2.20.46.71.49.51.63.20.55.00.70.40.20.30.10.60.20.70.31.10.60.10.10.70.20.40.22.80.52.30.1
chestnut0.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.00.00.0.0.0.0.40.20.00.014.21.21.30.1
other broadleaves2.00.25.81.54.30.92.30.43.00.40.90.21.20.21.60.34.41.02.70.73.31.04.00.51.70.312.00.93.30.1
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.
© WSL, Swiss National Forest Inventory, 03.07.2020 #887108/353440
NFI3
forest area
altitudinal vegetation zone · degree of cover (aerial photo, 5 classes)
unit of reference: canton
unit: %
unit of evaluation: protection forest perimeter SilvaProtect: access. forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
altitudinal vegetation zonedegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
upper subalpine0-20%0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.0.0.0.10.1
21-40%0.0.0.0.0.0.0.30.30.0.0.0...0.0.1.30.50.0.0.0.0.0.0.0.2.22.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.90.70.0.0.0.0.60.2
41-60%0.0.0.0.0.0.0.0.0.0.0.0...0.0.4.61.00.0.0.0.0.0.0.0.0.0.0.70.70.0.0.0.0.0.0.0.1.10.50.0.0.0.4.11.00.0.0.0.1.80.3
61-80%0.0.0.0.0.0.0.80.50.0.0.0...0.0.5.81.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.40.62.92.90.0.4.21.00.0.0.0.2.20.3
over 80%0.0.0.0.0.0.0.0.0.0.0.0...0.0.3.80.90.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.10.50.0.0.0.4.71.10.0.0.0.1.70.3
total0.0.0.0.0.0.1.10.50.0.0.0...0.0.15.91.70.0.0.0.0.0.0.0.2.22.20.70.70.0.0.0.0.0.0.0.3.70.92.92.90.0.15.21.80.0.0.0.6.40.5
lower subalpine0-20%0.0.0.0.0.0.1.60.60.0.1.71.7..2.02.00.40.30.0.0.0.0.0.7.37.00.0.0.70.70.0.0.0.1.81.80.0.0.20.20.0.1.01.00.50.46.05.90.0.0.80.2
21-40%0.0.0.0.0.0.1.30.60.0.0.0...2.02.02.50.70.0.0.0.0.0.7.37.01.51.50.0.0.0.0.0.1.81.80.0.0.70.40.0.0.0.2.30.80.0.0.0.1.30.2
41-60%0.0.20.411.00.0.5.01.10.0.6.93.0..2.02.06.81.20.0.0.0.0.0.0.0.9.34.40.0.0.0.0.0.6.63.20.0.1.80.62.42.42.91.75.81.20.0.0.0.4.20.4
61-80%0.0.0.0.0.0.7.41.30.0.6.93.0..4.63.213.11.60.0.5.33.60.0.0.0.16.95.66.02.10.0.0.0.9.83.90.0.5.51.18.64.18.72.810.91.60.0.0.0.8.20.6
over 80%0.0.0.0.0.0.6.21.20.0.9.53.4..9.14.411.11.40.0.12.05.54.74.613.88.714.45.27.22.30.0.0.0.2.81.90.0.6.41.217.06.013.73.419.42.00.0.0.0.9.70.6
total0.0.20.411.00.0.21.42.00.0.24.95.1..19.75.934.02.20.0.17.36.34.74.628.511.442.17.214.03.00.0.0.0.22.75.30.0.14.61.728.17.026.44.439.02.46.05.90.0.24.30.8
upper montane0-20%0.0.0.0.0.0.0.80.50.0.0.0...0.0.0.90.50.0.0.0.0.0.0.0.0.0.2.21.30.0.0.0.0.0.0.0.0.30.32.42.40.90.90.30.30.0.0.0.0.60.2
21-40%0.0.0.0.0.0.1.00.50.0.1.71.7..2.62.52.70.80.0.0.0.0.0.0.0.0.0.2.31.30.0.0.0.0.0.0.0.0.50.30.0.0.0.0.50.46.05.910.19.71.10.2
41-60%0.0.0.0.0.0.2.10.70.0.5.92.9..4.02.86.31.10.0.0.0.0.0.0.0.4.43.02.21.20.0.0.0.5.12.90.0.1.40.50.0.2.01.44.51.10.0.0.0.3.20.4
61-80%0.0.5.45.45.45.36.91.30.0.13.03.8..6.63.77.51.21.51.55.63.913.57.30.0.6.63.85.92.10.0.0.0.6.02.90.0.5.01.14.22.94.02.06.31.20.0.0.0.6.10.5
over 80%0.0.30.011.926.510.425.02.10.0.29.25.3..28.46.816.91.711.13.728.07.520.59.135.312.217.85.923.23.50.0.16.110.334.76.15.75.621.71.924.46.828.74.513.81.830.913.00.0.20.70.8
total0.0.35.512.731.911.235.82.40.0.49.95.9..41.57.434.42.212.63.833.67.833.910.435.312.228.76.935.84.00.0.16.110.345.96.45.75.628.82.131.07.335.64.725.42.236.913.710.19.731.80.9
lower montane0-20%0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.40.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.81.80.0.0.50.30.0.0.0.0.20.20.0.0.0.0.20.1
21-40%0.0.0.0.0.0.0.20.20.0.0.0...0.0.0.60.40.0.0.0.4.74.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.20.1
41-60%0.0.0.0.0.0.0.80.50.0.1.21.2..2.02.00.20.20.0.0.0.0.0.0.0.0.0.2.11.20.0.8.07.70.0.0.0.0.50.32.92.90.0.0.60.415.410.10.0.0.70.2
61-80%0.0.0.0.0.0.2.80.80.0.1.21.2..10.74.62.40.77.13.30.0.4.04.00.0.0.0.3.41.50.0.5.95.84.92.70.0.1.90.72.42.42.01.42.60.80.0.0.0.2.60.3
over 80%0.0.31.211.852.112.125.52.151.111.916.74.5..21.55.85.81.145.96.328.47.246.311.019.48.817.65.825.53.550.036.129.511.619.55.111.57.715.91.817.86.214.13.47.51.327.412.227.416.316.90.7
total0.0.31.211.852.112.129.32.251.111.919.14.8..34.26.89.51.453.16.428.47.255.010.919.48.817.65.830.93.750.036.143.513.026.25.711.57.719.01.923.16.816.13.610.91.542.813.927.416.320.70.8
colline/submontane0-20%0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.0.00.0
21-40%0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
41-60%0.0.0.0.0.0.0.0.0.0.0.0...0.0.0.0.3.52.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.32.42.40.0.0.80.50.0.0.0.0.30.1
61-80%11.310.70.0.0.0.0.80.50.0.1.41.4..0.0.2.00.73.52.42.52.40.0.0.0.4.63.20.0.0.0.5.95.81.81.85.75.63.50.90.0.2.91.71.60.70.0.10.19.71.90.3
over 80%88.710.712.99.015.98.611.61.648.911.94.72.7..4.63.24.30.927.35.818.26.26.36.116.89.34.93.418.53.150.036.134.512.73.52.477.110.329.92.012.55.419.03.87.11.314.39.552.417.814.60.7
total100.0.12.99.015.98.612.41.748.911.96.13.0..4.63.26.31.134.36.220.76.56.36.116.89.39.44.618.53.150.036.140.413.15.23.082.89.233.92.114.95.721.94.09.61.514.39.562.517.416.90.7
total0-20%0.0.0.0.0.0.2.40.80.0.1.71.7..2.02.02.00.70.0.0.0.0.0.7.37.00.0.3.01.40.0.0.0.3.62.40.0.1.30.62.42.41.91.31.30.66.05.90.0.1.80.3
21-40%0.0.0.0.0.0.2.90.90.0.1.71.7..4.63.27.11.20.0.0.0.4.74.67.37.03.72.62.31.30.0.0.0.1.81.80.0.1.40.60.0.0.0.4.71.16.05.910.19.73.40.4
41-60%0.0.20.411.00.0.7.91.40.0.14.04.1..8.03.817.91.83.52.40.0.0.0.0.0.13.75.25.01.80.0.8.07.711.74.10.0.5.11.07.74.44.92.115.71.915.410.10.0.10.20.6
61-80%11.310.75.45.45.45.318.72.00.0.22.54.8..21.86.230.92.212.14.213.45.617.58.10.0.28.16.815.33.10.0.11.97.822.55.45.75.617.31.818.25.717.73.825.72.20.0.10.19.721.10.8
over 80%88.710.774.111.794.65.368.22.3100.0.60.05.6..63.77.042.02.284.34.586.65.677.88.985.49.154.67.474.43.6100.0.80.110.460.46.194.35.675.02.171.77.075.54.352.52.572.610.979.812.963.60.9
total100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #887109/353441
NFI3
forest area
number of types natural hazards SilvaProtect
unit of reference: economic region
unit: 1000 ha
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
number of types natural hazards SilvaProtect
no natural hazardone natural hazardtwo natural hazardsthree natural hazardsfour natural hazardstotal
economic region1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura119.2225.585.3191.1410.2100151.31
Eastern Jura41.434.9190.5710.0.0.0.46.82
Western Plateau44.735.0190.0.0.0.0.0.49.72
Central Plateau60.529.3140.4710.0.0.0.70.11
Eastern Plateau101.615.5190.5570.0.0.0.107.61
Western Pre-Alps19.4922.373.0261.1410.0.45.83
Central Pre-Alps53.8542.755.9181.0450.2100103.62
Eastern Pre-Alps37.4632.464.9190.4700.0.75.02
Northwestern Alps30.1723.887.8154.0220.65866.33
Central Alps17.197.4146.0171.5341.43733.34
Northeastern Alps14.91015.894.5192.0321.24138.43
Southwestern Alps44.0649.4521.799.2141.931126.32
Southeastern Alps83.0462.2518.7103.7230.471168.02
Southern Alps53.5598.0325.787.7161.241186.01
Switzerland720.61404.12104.9431.787.0171268.30
© WSL, Swiss National Forest Inventory, 16.06.2020 #887110/353442
NFI3
forest area
processes in channels SilvaProtect · regeneration cover
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
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
processes in channels SilvaProtectregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a< 1%8.2155.9182.4292.7270.47119.710
1-9%26.6838.1725.1938.175.818133.74
10-25%43.4647.0631.0837.777.916167.03
26-50%30.3844.2624.3919.0103.623121.34
51-75%21.7934.279.8147.4161.63574.75
76-100%24.2932.474.3224.4210.85066.25
total154.42201.8197.04109.3420.19582.61
inside perimeter< 1%1.4380.21003.5237.9162.52915.311
1-9%4.2221.24123.4960.0536.86125.44
10-25%6.6174.62131.1859.3533.97135.54
26-50%4.3215.71823.3934.4714.51182.25
51-75%1.6352.6289.31511.3135.91830.78
76-100%1.8331.4387.1175.5191.63517.411
total19.8915.61197.63178.4295.23406.62
outside perimeter< 1%0.8500.21000.21001.6350.0.2.827
1-9%3.2250.4711.73510.9133.32519.410
10-25%3.6231.0453.1269.5143.12520.310
26-50%4.4211.2412.5296.3170.85015.211
51-75%2.7270.8500.8501.7330.0.6.118
76-100%1.6350.6580.4711.4380.6584.721
total16.3114.2228.71531.487.81668.45
total< 1%10.4146.3176.11812.2122.82637.87
1-9%34.0739.7650.16108.9445.85278.52
10-25%53.5552.6565.25106.5444.96322.72
26-50%38.9651.0650.1659.7519.010218.83
51-75%26.0837.6719.91020.5107.516111.54
76-100%27.6834.4711.91311.3133.02688.34
total190.51221.51203.31319.11123.121057.51
© WSL, Swiss National Forest Inventory, 16.06.2020 #887111/353443
NFI3
forest area
processes in channels SilvaProtect · regeneration cover
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
processes in channels SilvaProtectregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a< 1%9.5146.7173.2253.1250.65823.19
1-9%29.7838.7727.7848.369.914154.43
10-25%44.8649.1633.3748.4611.613187.23
26-50%31.1745.4627.4826.887.716138.44
51-75%21.7935.8710.41412.4132.82783.15
76-100%25.4832.774.8218.2151.04572.05
total162.22208.41106.73147.4333.67658.31
inside perimeter< 1%1.6350.21003.5238.5152.52916.111
1-9%4.2221.24125.3863.9540.96135.53
10-25%6.6174.62132.1764.9539.36147.53
26-50%4.3215.91824.9939.2717.11091.44
51-75%1.8332.6289.91413.6128.41536.27
76-100%1.8331.4387.6166.5172.82720.110
total20.2915.811103.33196.62111.03446.92
outside perimeter< 1%0.8500.21000.21001.8330.0.3.026
1-9%3.2250.4711.73512.0133.72320.910
10-25%4.0221.0453.12610.3143.22521.710
26-50%4.4211.2412.5296.7171.24116.011
51-75%2.7270.8500.8501.7330.21006.318
76-100%1.6350.6580.4711.4380.8504.920
total16.7104.2228.71534.079.11472.75
total< 1%11.9137.1166.91713.4123.02642.27
1-9%37.1740.3654.65124.3354.45310.82
10-25%55.4554.7568.55123.6354.25356.42
26-50%39.8652.4554.9572.7526.18245.93
51-75%26.2839.2721.1927.8811.413125.74
76-100%28.8834.6712.71216.2114.62197.04
total199.21228.31218.71378.01153.721177.91
© WSL, Swiss National Forest Inventory, 16.06.2020 #887112/353444
NFI4
forest area
processes in channels SilvaProtect · concept of transportation system
unit of reference: canton
unit: %
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
processes in channels SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track62.63.151.014.060.49.443.82.262.85.559.54.290.010.05.63.118.51.748.54.733.33.556.94.50.0.8.53.737.24.186.84.361.04.110.13.481.34.11.20.712.03.960.42.514.52.258.412.177.12.741.70.7
road and skidding road25.72.816.210.117.57.616.41.629.85.212.02.80.0.0.0.5.61.043.44.717.92.935.94.49.76.86.23.121.33.510.03.921.53.411.23.614.33.816.92.44.02.317.51.97.71.634.911.910.92.015.80.6
road and cable line0.40.48.38.122.18.316.51.63.02.110.72.50.0.38.06.229.82.00.90.912.52.61.51.038.411.741.16.515.23.11.61.66.82.123.34.81.21.28.01.811.33.85.51.115.22.26.66.69.91.913.30.5
road and flight path0.0.24.612.40.0.3.10.80.0.1.51.10.0.29.15.938.62.10.0.0.60.60.0.21.59.911.64.224.93.70.0.0.0.3.82.20.0.26.82.926.15.36.11.241.03.10.0.0.0.13.00.5
no access intended11.32.10.0.0.0.20.21.84.32.416.33.310.010.027.35.97.51.27.22.535.73.75.72.130.510.632.66.31.41.01.61.610.72.651.65.53.21.847.23.246.66.110.51.521.62.60.0.2.10.916.20.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track..58.013.869.513.216.82.048.716.120.84.8..8.24.413.61.621.26.615.55.813.913.020.411.18.54.227.73.5..17.011.26.33.152.113.81.20.53.92.814.13.510.01.627.412.236.620.212.60.7
road and skidding road..22.111.715.310.219.92.231.315.116.24.5..0.0.3.70.968.27.514.25.972.216.915.710.08.64.113.32.6..45.916.212.24.133.013.46.71.12.12.18.22.83.91.026.012.136.620.210.30.6
road and cable line..14.09.715.310.243.32.711.310.747.36.0..49.57.655.92.35.33.729.47.60.0.38.513.051.47.340.83.9..0.0.57.56.214.810.019.31.848.16.947.85.140.52.546.513.626.916.839.31.0
road and flight path..5.95.80.0.3.81.00.0.1.31.3..23.46.522.91.90.0.6.34.30.0.15.310.118.05.717.63.1..0.0.4.92.70.0.56.72.225.06.217.43.937.22.50.0.0.0.26.40.9
no access intended..0.0.0.0.16.12.08.78.414.54.3..18.96.23.90.95.33.734.67.813.913.010.16.713.54.70.70.7..37.215.419.14.90.0.16.21.620.95.812.53.48.41.40.0.0.0.11.30.6
total..100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0...100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track..0.0.65.121.024.55.336.116.637.121.5..20.912.820.74.217.68.134.627.719.210.00.0.0.0.41.313.4100.0.53.423.00.0...0.0.27.216.313.48.915.84.90.0...20.12.1
road and skidding road..0.0.0.0.23.85.222.214.20.0...0.0.6.52.673.09.60.0.69.311.70.0.0.0.13.79.10.0.23.320.20.0...28.57.30.0.29.912.47.43.60.0...18.92.0
road and cable line..100.0.34.921.032.25.829.114.636.421.3..45.915.442.95.20.0.0.0.0.0.100.0.100.0.0.0.0.0.23.320.286.512.5..26.77.339.217.742.613.327.06.0100.0...32.52.4
road and flight path..0.0.0.0.9.03.50.0.0.0...16.610.927.64.70.0.33.427.30.0.0.0.0.0.35.613.80.0.0.0.0.0...37.47.90.0.7.67.340.46.70.0...20.12.1
no access intended..0.0.0.0.10.53.712.611.826.521.7..16.610.92.31.69.46.332.026.711.57.80.0.0.0.9.48.90.0.0.0.13.512.5..7.44.133.616.36.56.39.44.00.0...8.41.4
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.
totalroad and skidding track62.63.152.49.763.07.532.51.558.95.146.73.490.010.08.12.616.61.138.73.730.23.151.44.28.24.88.12.732.52.587.24.258.14.08.02.377.84.11.10.49.92.750.42.212.21.244.39.176.12.730.00.5
road and skidding road25.72.818.47.615.25.618.21.329.34.713.12.30.0.0.0.4.90.752.63.817.02.640.74.111.55.47.02.416.92.19.73.823.13.411.12.616.53.710.81.13.01.516.11.65.60.930.47.911.62.014.00.4
road and cable line0.40.414.67.021.86.527.51.46.32.622.82.70.0.43.24.642.21.51.71.015.42.51.30.942.28.548.24.627.52.61.51.56.92.140.64.02.81.616.31.327.33.714.51.529.71.725.37.410.31.923.70.5
road and flight path0.0.14.67.00.0.3.80.60.0.1.40.80.0.25.74.230.91.40.0.2.11.00.0.17.76.613.93.321.62.40.0.0.0.4.11.60.0.46.81.823.93.98.31.238.91.90.0.0.0.18.30.4
no access intended11.32.10.0.0.0.18.01.35.52.416.02.610.010.023.14.05.50.77.02.035.43.36.62.120.56.622.83.91.40.71.51.512.02.636.23.92.81.625.01.535.84.210.81.413.61.30.0.2.10.914.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 03.07.2020 #887113/353445
NFI3
forest area
processes in channels SilvaProtect · concept of transportation system
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track74.546.4167.51588.43
road and skidding road36.666.6163.82147.15
road and cable line1.6332.4260.9454.919
road and flight path0.9450.0.0.21001.141
no access intended7.2152.1291.63310.912
total120.8217.6913.911152.31
Eastern Juraroad and skidding track30.651.7331.63533.94
road and skidding road10.1120.4700.210010.612
road and cable line0.8500.21000.4711.438
road and flight path0.0.0.0.0.0.0.0.
no access intended0.6580.0.0.0.0.658
total42.232.2282.13046.52
Western Plateauroad and skidding track34.152.6260.55837.24
road and skidding road8.7141.3370.210010.212
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.21000.0.0.0.0.2100
no access intended1.5350.4710.0.1.931
total44.534.3200.75049.62
Central Plateauroad and skidding track47.743.7212.22853.53
road and skidding road12.3111.8300.75014.810
road and cable line0.21000.8450.21001.238
road and flight path0.0.0.0.0.0.0.0.
no access intended0.7500.4700.0.1.141
total60.926.7153.02370.71
Eastern Plateauroad and skidding track80.433.0240.47183.72
road and skidding road17.691.5330.0.19.29
road and cable line2.1290.21000.0.2.327
road and flight path0.0.0.0.0.0.0.0.
no access intended1.9300.4710.0.2.328
total102.015.1180.471107.51
Western Pre-Alpsroad and skidding track5.9175.1180.55811.611
road and skidding road3.3224.7190.7498.713
road and cable line5.21811.8110.85017.88
road and flight path1.0451.2380.4712.626
no access intended2.0291.2340.3713.621
total17.5824.162.72544.33
Central Pre-Alpsroad and skidding track17.8912.9111.04531.77
road and skidding road12.51213.1110.210025.77
road and cable line12.71116.3101.04430.07
road and flight path4.7183.9210.5589.113
no access intended2.4271.3380.0.3.722
total50.1547.452.726100.22
Eastern Pre-Alpsroad and skidding track17.3911.8111.73130.86
road and skidding road7.7157.7140.47115.810
road and cable line6.41611.5110.84418.78
road and flight path2.6261.2380.0.3.821
no access intended2.0302.5260.21004.719
total36.0634.753.02373.72
Northwestern Alpsroad and skidding track6.4166.0171.14113.611
road and skidding road1.9301.7310.21003.821
road and cable line6.71616.892.42626.07
road and flight path3.7222.0300.0.5.717
no access intended4.7196.0170.37111.012
total23.4832.554.02060.03
Central Alpsroad and skidding track2.2280.7500.4713.323
road and skidding road1.1411.5350.0.2.526
road and cable line2.6255.2171.2389.011
road and flight path3.3223.1230.4716.815
no access intended3.6221.1400.21004.918
total12.81011.5102.12926.44
Northeastern Alpsroad and skidding track2.3263.8210.0.6.116
road and skidding road0.6581.5330.0.2.129
road and cable line3.1237.1141.23711.510
road and flight path1.1411.0410.5592.625
no access intended3.7213.9210.7518.313
total10.81117.382.52630.74
Southwestern Alpsroad and skidding track8.11411.2121.93021.18
road and skidding road2.1292.8250.9455.817
road and cable line7.31526.572.42636.26
road and flight path7.91514.4102.22824.68
no access intended11.31213.5112.12926.97
total36.8668.339.613114.72
Southeastern Alpsroad and skidding track14.1117.5151.83223.58
road and skidding road7.0155.2181.83214.011
road and cable line21.6937.867.71567.14
road and flight path5.4184.8191.63311.812
no access intended17.0109.9131.93028.87
total65.1465.2414.810145.12
Southern Alpsroad and skidding track5.9179.4132.03017.310
road and skidding road1.1414.1210.6585.717
road and cable line4.02125.782.52732.27
road and flight path1.8328.7141.14111.512
no access intended20.0963.742.52686.23
total32.87111.528.614152.92
Switzerlandroad and skidding track347.3286.0422.49455.61
road and skidding road122.5454.069.614186.03
road and cable line74.55162.3321.59258.42
road and flight path32.7740.266.91679.74
no access intended78.85106.249.813194.93
total655.81448.7170.151174.60
© WSL, Swiss National Forest Inventory, 16.06.2020 #887114/353446
NFI3
forest area
processes in channels SilvaProtect · concept of transportation system
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 SilvaProtectconcept of transportation system %± %± %± %± %± %± %±
n/aroad and skidding track72.41.034.12.236.32.821.93.122.22.319.13.053.30.8
road and skidding road23.11.019.41.815.72.16.21.89.71.62.91.318.60.7
road and cable line1.20.226.72.018.92.320.53.133.82.612.82.511.30.5
road and flight path0.30.110.41.412.11.922.03.28.31.54.61.65.00.4
no access intended3.00.49.41.316.92.229.33.526.02.460.53.711.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterroad and skidding track49.33.724.31.923.72.315.71.910.71.78.81.219.00.8
road and skidding road33.33.517.91.718.22.24.21.17.91.53.60.812.00.7
road and cable line9.22.143.22.238.92.739.42.658.62.723.61.836.71.0
road and flight path0.0.6.81.18.41.621.12.27.21.47.51.18.90.6
no access intended8.22.07.81.210.71.719.52.115.72.056.62.123.40.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track59.54.826.16.524.16.718.45.310.73.622.36.230.82.4
road and skidding road25.44.212.74.95.13.69.74.113.74.06.73.814.61.9
road and cable line5.72.344.57.343.67.826.16.051.55.828.96.830.12.4
road and flight path1.01.010.54.512.35.222.55.712.33.913.05.010.31.6
no access intended8.42.76.23.514.95.623.35.911.73.729.16.814.21.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track69.81.028.91.429.41.817.91.615.81.411.81.238.90.6
road and skidding road24.00.918.31.216.31.45.40.99.31.13.60.715.90.5
road and cable line2.10.335.61.530.21.832.41.946.81.821.51.522.10.5
road and flight path0.30.18.60.910.31.221.51.78.21.07.20.96.80.3
no access intended3.70.48.50.913.81.322.91.819.91.555.81.816.30.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 16.06.2020 #887115/353447
NFI3
forest area
processes in channels SilvaProtect · degree of cover of assured regeneration
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 SilvaProtectdegree of cover of assured regeneration %± %± %± %± %± %±
n/aless than 1%11.31.18.40.86.91.16.40.82.71.28.10.5
1-4%12.11.113.21.017.21.617.71.315.02.614.70.6
5-9%16.21.214.21.018.01.619.41.422.33.116.90.6
10-25%27.61.526.51.328.81.930.51.629.23.328.20.7
26-50%15.01.218.01.120.91.715.21.223.33.117.30.6
51-75%10.41.013.01.06.71.07.60.96.51.89.80.5
76-100%7.40.96.70.71.40.53.20.61.10.85.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterless than 1%11.63.02.11.56.51.06.60.75.40.96.30.5
1-4%10.72.98.83.014.91.519.41.216.81.516.90.7
5-9%20.43.88.72.918.81.620.11.224.71.720.50.8
10-25%30.04.341.25.132.41.930.71.431.71.931.70.9
26-50%15.03.424.04.516.51.516.21.113.01.315.70.7
51-75%6.32.313.03.58.81.25.50.77.01.07.00.5
76-100%6.22.32.11.52.00.61.50.41.40.51.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 1%12.33.58.45.71.81.810.82.32.22.18.91.4
1-4%16.73.90.0.13.15.017.22.814.95.215.31.8
5-9%12.23.48.45.725.26.323.13.127.06.420.42.0
10-25%22.34.425.28.938.37.132.33.435.36.930.72.3
26-50%25.34.624.78.815.05.210.12.210.44.415.11.8
51-75%7.82.824.88.86.63.73.71.46.23.56.61.2
76-100%3.31.98.45.70.0.2.81.24.12.83.10.9
total100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 1%11.41.08.00.86.50.76.90.54.70.77.50.3
1-4%12.41.012.70.915.91.018.50.816.31.215.60.4
5-9%16.31.113.71.018.71.120.10.924.31.518.50.5
10-25%27.41.327.51.230.91.330.71.031.31.629.70.6
26-50%15.91.118.51.118.51.115.30.815.11.216.60.5
51-75%9.80.913.20.97.70.86.20.56.80.98.50.3
76-100%6.90.86.40.71.70.42.30.31.50.43.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 16.06.2020 #887116/353448
NFI3
forest area
processes in channels SilvaProtect · type of next treatment (interview survey)
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 SilvaProtecttype of next treatment (interview survey) %± %± %± %± %± %±
n/ano treatment10.91.07.40.812.51.020.71.011.81.313.60.5
tending9.50.915.91.05.80.71.10.30.30.26.50.3
thinning24.71.433.21.47.10.82.50.41.60.513.70.4
establishment cut10.71.014.01.09.80.93.10.40.50.37.70.4
removal cut4.90.78.50.83.90.61.50.30.20.23.90.3
plentering12.51.00.40.22.20.50.20.10.20.22.80.2
thinning of mountain forest0.10.10.10.12.90.54.20.50.20.21.90.2
coppice cut0.20.10.0.0.10.10.10.10.80.40.20.1
conversion1.20.42.50.51.10.30.0.0.0.1.00.1
transformation0.10.10.30.20.0.0.10.10.0.0.10.0
sanitary felling1.40.41.00.30.50.20.20.10.0.0.60.1
plentering in broadleaf forest2.50.55.70.70.30.20.0.0.20.21.70.2
tending of forest edge0.50.21.50.40.70.30.20.10.20.20.60.1
planting0.10.10.50.20.10.10.0.0.0.0.10.1
agrosilvicultural treatments1.70.40.20.10.70.30.40.20.50.30.70.1
total81.01.391.10.847.71.634.21.216.31.555.10.6
inside perimeterno treatment3.00.61.40.410.81.027.11.157.02.017.70.5
tending0.50.21.00.33.90.63.40.50.70.32.10.2
thinning3.40.62.30.48.40.94.60.56.11.04.80.3
establishment cut1.30.40.80.311.21.05.20.52.10.64.40.3
removal cut1.10.30.90.32.90.52.50.42.40.62.00.2
plentering0.40.20.0.2.90.50.30.10.0.0.70.1
thinning of mountain forest0.0.0.0.4.70.611.30.85.40.95.00.3
coppice cut0.0.0.0.0.0.0.10.11.40.50.20.1
conversion0.30.20.20.11.20.30.0.0.20.20.30.1
transformation0.0.0.0.0.0.0.0.0.0.0.0.
sanitary felling0.20.10.10.10.60.20.30.10.30.20.30.1
plentering in broadleaf forest0.0.0.20.10.30.20.0.0.20.20.10.0
tending of forest edge0.0.0.10.10.20.10.10.10.0.0.10.0
planting0.0.0.10.10.40.20.20.10.0.0.20.1
agrosilvicultural treatments0.10.10.0.0.50.20.90.21.70.50.60.1
total10.41.07.00.848.01.655.91.277.31.738.40.6
outside perimeterno treatment1.70.40.50.21.00.34.10.54.00.82.30.2
tending0.50.20.30.20.40.20.70.20.0.0.40.1
thinning2.80.50.50.21.10.31.20.30.40.21.20.1
establishment cut1.20.40.30.21.10.31.20.30.20.20.90.1
removal cut0.80.30.10.10.30.20.40.20.80.40.40.1
plentering0.80.30.0.0.10.10.10.10.0.0.20.1
thinning of mountain forest0.0.0.0.0.10.12.00.40.60.30.70.1
coppice cut0.0.0.0.0.0.0.0.0.40.20.00.0
conversion0.20.10.0.0.0.0.0.0.0.0.00.0
transformation0.0.0.0.0.0.0.0.0.0.0.0.
sanitary felling0.20.10.0.0.10.10.0.0.0.0.10.0
plentering in broadleaf forest0.0.0.10.10.10.10.0.0.0.0.00.0
tending of forest edge0.10.10.10.10.0.0.0.0.0.0.00.0
planting0.0.0.0.0.0.0.10.10.0.0.00.0
agrosilvicultural treatments0.20.10.0.0.0.0.10.10.0.0.10.0
total8.50.91.90.44.30.69.80.76.31.06.50.3
totalno treatment15.61.29.40.924.31.351.91.272.81.833.60.6
tending10.60.917.11.010.10.95.20.61.00.49.10.4
thinning30.91.436.11.416.61.28.20.78.01.119.70.5
establishment cut13.21.115.11.122.21.39.50.72.70.713.00.5
removal cut6.80.89.50.97.10.84.40.53.40.76.30.3
plentering13.81.10.40.25.20.70.60.20.20.23.80.2
thinning of mountain forest0.10.10.10.17.70.817.60.96.20.97.50.3
coppice cut0.20.10.0.0.10.10.10.12.50.60.40.1
conversion1.80.42.70.52.30.50.0.0.20.21.30.2
transformation0.10.10.30.20.0.0.10.10.0.0.10.0
sanitary felling1.80.41.10.31.20.40.50.20.30.21.00.1
plentering in broadleaf forest2.50.55.90.70.70.30.0.0.30.21.90.2
tending of forest edge0.60.31.70.40.90.30.30.10.20.20.70.1
planting0.10.10.60.20.50.20.30.10.0.0.30.1
agrosilvicultural treatments2.00.50.20.11.20.31.40.32.20.61.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #887117/353449
NFI3
forest area
processes in channels SilvaProtect · type of next treatment (interview survey)
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
processes in channels SilvaProtecttype of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/ano treatment22.8917.31030.8892.3425.48188.63
tending19.0935.8612.4125.6190.47173.25
thinning48.6574.3414.9119.1152.429149.33
establishment cut21.1931.8720.9910.4140.65885.05
removal cut9.51419.0108.3165.1190.85042.77
plentering24.380.8504.6210.6580.210030.58
thinning of mountain forest0.21000.21005.81814.5120.210020.910
coppice cut0.4710.0.0.21000.21001.0451.833
conversion2.4295.5192.2300.0.0.0.10.114
transformation0.21000.6580.0.0.21000.0.1.045
sanitary felling2.9272.6281.1450.8500.0.7.317
plentering in broadleaf forest4.72012.6120.6580.0.0.210018.210
tending of forest edge1.0454.0221.4380.8500.21007.416
planting0.21001.1440.21000.0.0.0.1.537
agrosilvicultural treatments3.3250.4711.8332.8270.6589.015
total160.62206.01105.33142.5332.07646.41
inside perimeterno treatment5.7183.12523.2998.6483.04213.63
tending1.0452.1308.31511.9130.85024.19
thinning6.7175.11917.51015.6117.61652.56
establishment cut2.5281.83323.6916.9102.82647.66
removal cut2.1302.0316.0188.4153.02621.510
plentering0.8500.0.6.0181.0450.0.7.816
thinning of mountain forest0.0.0.0.9.81437.077.11653.86
coppice cut0.0.0.0.0.0.0.21001.7351.933
conversion0.6580.4712.6280.21000.21004.022
transformation0.0.0.0.0.0.0.0.0.0.0.0.
sanitary felling0.4710.21001.2411.0450.4713.225
plentering in broadleaf forest0.0.0.4710.6580.0.0.21001.241
tending of forest edge0.0.0.21000.4710.21000.0.0.850
planting0.0.0.21000.8500.8500.0.1.833
agrosilvicultural treatments0.21000.0.1.2413.3242.3297.017
total20.0915.611101.03195.02109.03440.72
outside perimeterno treatment3.2251.2412.03213.9125.51925.89
tending1.0450.6580.9502.2300.0.4.721
thinning5.3191.2412.1313.9220.85013.312
establishment cut2.2300.6582.3303.9220.21009.315
removal cut1.6350.21000.6581.2411.0454.621
plentering1.6350.0.0.21000.4700.0.2.230
thinning of mountain forest0.0.0.0.0.21006.9170.8507.916
coppice cut0.0.0.0.0.0.0.0.0.4700.470
conversion0.4710.0.0.0.0.0.0.0.0.471
transformation0.0.0.0.0.0.0.0.0.0.0.0.
sanitary felling0.4710.0.0.21000.0.0.0.0.658
plentering in broadleaf forest0.21000.21000.21000.0.0.0.0.658
tending of forest edge0.21000.21000.0.0.21000.21000.850
planting0.0.0.0.0.0.0.21000.0.0.2100
agrosilvicultural treatments0.4710.0.0.0.0.4710.0.0.850
total16.5114.2228.71533.378.91571.65
totalno treatment31.7721.6955.95204.82113.93428.02
tending20.9938.5621.6919.8101.241102.04
thinning60.6580.7434.5728.5810.913215.23
establishment cut25.9834.3746.8631.283.623141.83
removal cut13.21221.2914.91114.8114.82068.85
plentering26.780.85010.8132.0310.210040.57
thinning of mountain forest0.21000.210015.81158.458.01582.65
coppice cut0.4710.0.0.21000.4713.1254.122
conversion3.4245.9184.8200.21000.210014.512
transformation0.21000.6580.0.0.21000.0.1.045
sanitary felling3.6232.8272.5291.8330.47111.013
plentering in broadleaf forest5.02013.2121.4380.0.0.47119.910
tending of forest edge1.2414.4211.8331.2410.4719.015
planting0.21001.2401.0451.0450.0.3.524
agrosilvicultural treatments3.9230.4713.0266.5172.92616.811
total197.11225.71215.11370.81150.021158.71
© WSL, Swiss National Forest Inventory, 10.07.2020 #887118/353450
NFI3
forest area
processes in channels 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
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtectcause of salvage logging %± %± %± %± %± %± %±
n/an/a60.11.130.61.532.41.921.71.835.31.915.91.540.30.6
insects7.80.63.90.64.30.81.70.61.50.50.20.24.50.3
fungi0.20.10.0.0.0.0.0.0.0.0.0.0.10.0
windthrow16.30.88.50.95.60.90.20.21.20.40.0.8.60.4
snow load0.50.20.20.10.20.20.0.2.30.60.0.0.50.1
avalanches0.0.0.10.10.50.30.40.30.30.20.0.0.20.1
landslides0.10.10.10.10.20.20.0.0.70.30.0.0.20.1
flooding0.0.0.0.0.0.0.20.20.0.0.0.0.00.0
forest fire0.0.0.0.0.0.0.0.0.0.0.20.20.00.0
loss of vitality1.10.20.20.20.20.20.40.30.10.10.0.0.50.1
others0.30.10.0.0.0.0.20.20.30.20.20.20.20.1
total86.40.743.71.643.32.124.81.941.72.016.31.555.10.6
inside perimetern/a6.80.535.31.639.52.060.22.140.92.075.71.732.30.6
insects0.50.25.00.73.90.82.20.62.30.61.00.42.10.2
fungi0.0.0.10.10.0.0.0.0.0.0.0.0.00.0
windthrow1.10.28.70.94.70.91.40.51.90.60.50.32.90.2
snow load0.00.00.20.20.90.40.60.41.10.40.20.20.40.1
avalanches0.0.0.10.10.40.20.0.0.70.30.0.0.10.1
landslides0.10.10.90.30.0.0.20.20.30.20.0.0.20.1
flooding0.0.0.0.0.0.0.0.0.0.0.0.0.0.
forest fire0.0.0.0.0.0.0.20.20.0.0.0.0.00.0
loss of vitality0.00.01.00.30.50.30.20.20.20.20.0.0.30.1
others0.0.0.10.10.0.0.0.0.30.20.0.0.10.0
total8.60.651.41.649.82.165.02.147.72.077.31.738.40.6
outside perimetern/a4.00.43.80.65.91.09.81.38.91.26.11.05.50.3
insects0.20.10.30.20.50.30.20.20.50.30.0.0.30.1
fungi0.0.0.0.0.0.0.0.0.0.0.0.0.0.
windthrow0.60.20.80.30.50.30.0.0.50.30.0.0.50.1
snow load0.10.10.0.0.0.0.0.0.50.30.20.20.10.0
avalanches0.0.0.0.0.0.0.0.0.0.0.0.0.0.
landslides0.0.0.0.0.0.0.0.0.0.0.0.0.0.
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 vitality0.0.0.0.0.0.0.20.20.0.0.0.0.00.0
others0.00.00.0.0.0.0.0.0.20.20.0.0.00.0
total5.00.54.90.76.91.110.21.310.61.26.31.06.50.3
totaln/a70.91.069.71.577.71.791.71.285.11.497.70.678.10.5
insects8.60.69.20.98.71.24.00.94.30.81.10.46.90.3
fungi0.20.10.10.10.0.0.0.0.0.0.0.0.10.0
windthrow18.00.818.01.310.81.31.60.63.50.80.50.312.00.4
snow load0.60.20.40.21.00.40.60.43.90.80.40.21.00.1
avalanches0.0.0.20.20.90.40.40.31.00.40.0.0.30.1
landslides0.20.11.00.30.20.20.20.21.00.40.0.0.40.1
flooding0.0.0.0.0.0.0.20.20.0.0.0.0.00.0
forest fire0.0.0.0.0.0.0.20.20.0.0.20.20.00.0
loss of vitality1.20.21.20.40.70.30.80.40.30.20.0.0.90.1
others0.40.10.10.10.0.0.20.20.80.40.20.20.30.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 16.06.2020 #887119/353451
NFI3
forest area
processes in channels 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
processes in channels SilvaProtectcause of salvage logging %± %± %± %± %± %±
n/an/a62.91.558.71.434.71.533.71.121.31.442.00.6
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
total81.51.291.30.848.81.539.01.121.81.555.90.6
inside perimetern/a8.40.95.20.631.51.445.91.170.61.632.20.5
insects0.20.10.80.34.50.62.60.40.80.31.90.2
fungi0.0.0.0.0.10.10.0.0.0.0.00.0
windthrow1.50.40.80.38.70.91.80.30.40.22.70.2
snow load0.0.0.10.10.60.20.70.20.10.10.40.1
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
others0.0.0.0.0.0.0.20.10.0.0.10.0
total10.20.96.90.747.21.552.01.172.21.637.90.6
outside perimetern/a6.80.81.60.43.10.58.10.65.80.85.40.3
insects0.30.20.20.10.40.20.30.10.0.0.30.1
fungi0.0.0.0.0.0.0.0.0.0.0.0.
windthrow1.10.30.10.10.60.20.40.10.0.0.40.1
snow load0.10.10.0.0.0.0.20.10.10.10.10.0
avalanches0.0.0.0.0.0.0.0.0.0.0.0.
landslides0.0.0.0.0.0.0.0.0.0.0.0.
flooding0.0.0.0.0.0.0.0.0.0.0.0.
forest fire0.0.0.0.0.0.0.0.0.0.0.0.
loss of vitality0.0.0.0.0.0.0.10.10.0.0.00.0
others0.10.10.0.0.0.0.10.10.0.0.00.0
total8.40.91.80.44.00.69.00.75.90.96.20.3
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, 16.06.2020 #887120/353452
NFI4
forest area
processes in channels SilvaProtect · stand stability
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
processes in channels SilvaProtectstand stability %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/acritical2.10.90.0.0.0.2.00.50.0.3.31.30.0.3.02.12.30.63.01.34.81.60.0.3.83.70.0.2.21.01.91.90.50.53.11.64.52.00.80.44.52.62.00.72.40.70.0.4.11.32.20.2
less stable45.43.320.57.938.07.423.81.530.04.930.13.325.016.219.24.713.71.328.83.531.03.324.63.630.38.723.44.517.92.424.65.831.83.724.83.936.84.88.21.222.15.226.32.18.41.229.48.936.53.122.40.6
stable52.53.325.18.327.07.126.01.550.35.431.93.475.016.213.34.221.51.533.33.745.33.661.24.114.66.826.74.721.22.670.56.158.14.024.83.846.54.97.31.210.73.948.62.413.91.524.68.356.93.230.80.6
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 perimetercritical0.0.4.14.11.91.91.70.50.0.0.0.0.0.1.31.33.80.70.0.2.11.00.0.10.25.61.91.42.51.00.0.0.0.5.52.00.0.5.41.04.32.51.10.55.31.04.34.30.30.32.40.2
less stable0.0.19.97.13.72.618.81.41.91.318.72.60.0.29.85.624.21.69.42.29.92.11.20.923.08.029.44.932.73.10.0.4.01.622.33.76.12.346.52.222.95.210.61.432.22.014.86.11.30.719.70.5
stable0.0.26.48.818.85.919.71.47.92.913.42.40.0.17.64.524.51.612.52.65.51.63.61.610.85.213.33.719.22.50.0.2.41.213.83.16.12.325.81.926.05.58.41.327.52.023.57.70.90.616.10.5
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 perimetercritical0.0.0.0.0.0.0.40.20.0.0.0.0.0.1.31.30.30.20.60.60.50.50.0.0.0.0.80.80.0.0.0.0.0.0.70.70.0.1.00.51.31.30.0.1.50.50.0.0.0.0.40.1
less stable0.0.4.14.13.82.62.70.66.52.61.20.80.0.8.63.43.80.75.31.70.0.3.31.52.42.42.41.72.41.00.0.1.61.11.61.10.0.3.30.88.23.51.30.54.10.93.33.30.0.2.70.2
stable0.0.0.0.6.94.14.90.83.52.01.50.80.0.5.92.96.00.97.22.01.00.76.12.04.83.32.21.52.00.93.12.11.81.03.41.70.0.1.70.60.0.1.60.64.60.90.0.0.0.3.30.2
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
totalcritical2.10.94.14.11.91.94.10.70.0.3.31.30.0.5.62.76.40.93.61.47.31.90.0.13.96.22.71.64.61.41.91.90.50.59.22.64.52.07.21.210.13.73.20.89.31.34.34.34.41.35.10.3
less stable45.43.344.510.045.57.845.31.838.45.249.93.725.016.257.66.041.71.843.43.940.93.529.13.855.89.355.15.253.03.224.65.837.33.948.74.542.84.958.02.253.26.338.22.344.72.247.69.837.83.144.80.7
stable52.53.351.410.052.77.950.61.861.65.246.83.675.016.236.95.851.91.853.03.951.83.670.93.830.38.442.25.142.33.273.65.962.23.942.04.452.64.934.82.136.76.158.62.346.02.248.19.857.83.250.20.7
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.
© WSL, Swiss National Forest Inventory, 03.07.2020 #887121/353453
NFI3
forest area
processes in channels SilvaProtect · stand stability
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 SilvaProtectstand stability %± %± %± %± %± %± %±
n/acritical5.90.52.60.52.60.61.70.52.00.50.50.33.40.2
less stable28.61.017.51.213.01.39.91.212.01.27.81.018.30.5
stable52.31.126.11.429.71.819.11.630.71.713.51.234.20.6
total86.70.746.21.645.31.930.71.944.71.821.81.555.90.6
inside perimetercritical0.40.13.40.63.40.73.30.81.50.42.60.62.00.2
less stable2.70.321.11.315.81.419.41.614.61.324.91.613.40.4
stable5.30.524.61.329.51.837.62.029.11.744.71.822.60.5
total8.40.649.11.648.71.960.32.045.21.872.21.637.90.5
outside perimetercritical0.30.10.30.20.30.20.40.20.60.30.20.20.30.1
less stable1.50.32.30.52.10.63.00.73.00.62.60.62.20.2
stable3.00.42.10.53.70.75.60.96.50.93.00.63.60.2
total4.90.54.80.76.10.99.01.210.11.15.90.96.20.3
totalcritical6.60.56.30.86.30.95.40.94.00.73.40.75.70.3
less stable32.81.040.91.530.91.832.41.929.71.735.31.733.90.6
stable60.61.052.81.662.91.962.22.066.31.861.31.860.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 16.06.2020 #887122/353454
NFI3
forest area
processes in channels SilvaProtect · stand stability
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
processes in channels SilvaProtectstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/acritical8.41516.5115.4198.0160.85039.07
less stable44.8675.4437.4743.1710.813211.53
stable107.43114.1362.6591.5420.49396.02
total160.62206.01105.33142.5332.07646.41
inside perimetercritical0.8501.0457.0179.8143.92322.49
less stable5.3196.31737.2768.9537.76155.43
stable14.0118.31556.95116.3367.54262.92
total20.0915.611101.03195.02109.03440.72
outside perimetercritical1.2410.21000.8501.4380.4713.922
less stable5.3191.2413.82311.3133.92325.59
stable10.0142.8274.12220.6104.72142.17
total16.5114.2228.71533.378.91571.65
totalcritical10.31417.61013.11219.2105.02065.35
less stable55.4582.9478.44123.3352.45392.42
stable131.42125.23123.53228.3292.63701.01
total197.11225.71215.11370.81150.021158.71
© WSL, Swiss National Forest Inventory, 16.06.2020 #887123/353455
NFI4
forest area
processes in channels SilvaProtect · degree of cover of regeneration (7 classes)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%2.5290.21000.21002.927
1-4%12.7121.2410.85014.711
5-9%15.5112.3292.92620.79
10-25%31.176.5174.02241.66
26-50%22.593.2242.52828.38
51-75%19.693.1251.43824.18
76-100%16.7101.3382.42920.49
total120.6217.81014.211152.71
Eastern Jura< 1%1.1450.0.0.21001.341
1-4%3.6230.21000.21004.122
5-9%1.9330.21000.21002.330
10-25%7.0160.8500.7588.615
26-50%10.4130.4700.210011.012
51-75%7.1160.0.0.0.7.116
76-100%12.0110.4710.65813.011
total43.232.0312.13147.42
Western Plateau< 1%1.0440.0.0.0.1.044
1-4%4.8200.0.0.0.4.820
5-9%5.6180.21000.21006.018
10-25%12.7111.5370.210014.310
26-50%9.2141.6350.210011.012
51-75%6.5170.9500.0.7.416
76-100%4.4200.0.0.21004.620
total44.334.2210.85049.22
Central Plateau< 1%2.1300.0.0.0.2.130
1-4%4.9190.21000.21005.319
5-9%5.0191.0440.6586.616
10-25%12.9111.6350.85015.310
26-50%13.0112.9250.94516.810
51-75%11.5120.8500.47112.711
76-100%10.6130.21000.210010.912
total60.026.6163.12569.71
Eastern Plateau< 1%3.5230.0.0.0.3.523
1-4%5.4190.0.0.0.5.419
5-9%6.8160.4710.0.7.216
10-25%22.980.6580.0.23.58
26-50%20.391.7330.0.22.09
51-75%20.891.8330.47123.08
76-100%23.880.4710.0.24.28
total103.614.9200.471108.91
Western Pre-Alps< 1%1.3381.6360.0.2.826
1-4%2.0322.8260.0.4.820
5-9%1.9333.0240.6595.518
10-25%6.4178.1151.04415.510
26-50%3.1253.7230.6577.416
51-75%3.2262.4300.31005.918
76-100%0.4701.5380.21002.132
total18.4923.172.72744.23
Central Pre-Alps< 1%1.4380.9450.0.2.329
1-4%7.5164.0230.0.11.513
5-9%8.4157.7160.65816.810
10-25%19.7916.4100.65836.86
26-50%9.8149.9141.24420.99
51-75%4.9203.7230.4719.014
76-100%2.6283.5240.0.6.218
total54.4546.252.827103.42
Eastern Pre-Alps< 1%1.9312.9240.21005.118
1-4%6.7174.5200.47111.612
5-9%4.8203.6220.4708.914
10-25%11.2138.1151.24120.59
26-50%6.6178.4150.47115.411
51-75%4.4213.7230.4708.515
76-100%2.8271.9310.21004.920
total38.5633.263.12574.82
Northwestern Alps< 1%0.8500.9440.21002.031
1-4%4.0224.8200.5589.414
5-9%3.4247.3160.210010.913
10-25%9.5149.3141.14419.99
26-50%5.1195.6190.47111.013
51-75%1.6352.7270.8505.119
76-100%1.2411.3410.6583.126
total25.8831.763.92261.43
Central Alps< 1%0.0.0.4710.4710.850
1-4%1.7321.2390.0.2.925
5-9%2.5271.9300.21004.619
10-25%4.3203.9200.6588.813
26-50%3.0253.3230.8497.115
51-75%0.8501.2400.0.2.031
76-100%0.4710.4710.0.0.850
total12.71012.2102.03026.94
Northeastern Alps< 1%0.9451.9310.31003.124
1-4%3.0253.0250.4716.416
5-9%1.7351.9320.6594.221
10-25%2.5285.7170.6598.814
26-50%1.2412.6260.5574.320
51-75%1.5351.9310.4713.821
76-100%0.5581.4380.0.1.931
total11.41218.482.72632.54
Southwestern Alps< 1%1.6353.7230.8506.118
1-4%7.81617.5101.93227.38
5-9%11.01314.6112.42928.08
10-25%11.21322.093.52336.76
26-50%5.31910.1141.63517.010
51-75%2.7282.2300.4715.319
76-100%0.6580.21000.0.0.850
total40.2670.4310.513121.12
Southeastern Alps< 1%5.1209.2140.85015.011
1-4%15.91115.6114.92036.47
5-9%10.41411.1131.83323.39
10-25%20.4916.3105.31942.06
26-50%10.21410.4131.04521.79
51-75%5.7184.2221.04511.013
76-100%1.8330.4710.0.2.330
total69.5467.2414.911151.62
Southern Alps< 1%4.1227.8150.210012.112
1-4%7.21629.371.43837.96
5-9%8.71527.082.52938.26
10-25%9.91428.683.22541.76
26-50%5.51913.5121.83320.89
51-75%1.5353.7230.0.5.319
76-100%0.6581.6350.0.2.230
total37.57111.639.114158.32
Switzerland< 1%27.4829.583.22560.16
1-4%87.3584.2510.813182.33
5-9%87.7582.2513.212183.13
10-25%181.83129.3422.89333.92
26-50%125.4477.3512.213214.93
51-75%92.1432.285.819130.14
76-100%78.4514.6124.42197.34
total680.11449.5272.451201.91
© WSL, Swiss National Forest Inventory, 16.06.2020 #887124/353456
NFI3
forest area
processes in channels SilvaProtect · main type of harvest
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
processes in channels SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonmain type of harvest1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGskidder36.040.0.0.0.36.04
forwarder10.9110.0.0.0.10.911
mobile tower yarder0.0.0.0.0.0.0.0.
cable crane0.5570.0.0.0.0.557
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total47.520.0.0.0.47.52
AIskidder1.9262.0230.0.3.914
forwarder0.0.0.21000.0.0.2100
mobile tower yarder0.21000.0.0.0.0.2100
cable crane0.0.0.3720.0.0.372
helicopter0.4710.3690.21000.942
others0.0.0.0.0.0.0.0.
total2.4232.8170.21005.48
ARskidder3.5201.4320.8455.613
forwarder1.2370.11000.0.1.334
mobile tower yarder0.0.0.11000.0.0.1100
cable crane0.4570.11000.21000.845
helicopter0.4680.0.0.0.0.468
others0.0.0.0.0.0.0.0.
total5.5121.8261.0408.36
BEskidder54.9534.967.01696.83
forwarder14.3112.8251.63318.79
mobile tower yarder6.11712.2121.93020.29
cable crane4.51912.1121.33817.99
helicopter7.7157.0150.94515.510
others0.3711.6330.0.1.930
total87.8370.6412.712171.11
BL/BSskidder11.791.8320.75914.17
forwarder4.0210.3700.4714.719
mobile tower yarder0.4720.0.0.7501.241
cable crane0.21000.21000.0.0.470
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total16.462.3281.83320.53
FRskidder16.586.4150.55823.56
forwarder4.7191.1410.3716.116
mobile tower yarder1.9303.9200.0.5.816
cable crane1.4351.9300.0.3.322
helicopter1.5350.9440.21002.626
others0.21000.0.0.0.0.2100
total26.2514.291.14141.42
GEskidder1.1510.0.0.0.1.151
forwarder2.6210.0.0.0.2.621
mobile tower yarder0.0.0.0.0.0.0.0.
cable crane0.0.0.0.0.0.0.0.
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total3.750.0.0.0.3.75
GLskidder2.3271.3350.0.3.621
forwarder0.0.0.21000.0.0.2100
mobile tower yarder1.0400.9400.6572.524
cable crane1.3352.3260.21003.919
helicopter2.2272.1271.0415.316
others0.0.0.11000.21000.371
total6.8147.0131.92915.76
GRskidder22.3815.8103.22341.46
forwarder3.9211.7320.6586.117
mobile tower yarder8.01514.1114.32026.48
cable crane19.0935.364.61958.85
helicopter18.5918.193.72240.36
others0.5581.0410.3711.930
total72.2486.1316.610175.01
JUskidder20.765.9163.62130.23
forwarder1.4350.4710.4712.128
mobile tower yarder0.0.0.4700.0.0.470
cable crane0.0.0.4700.0.0.470
helicopter0.21000.0.0.0.0.2100
others0.21000.0.0.0.0.2100
total22.567.0143.92033.42
LUskidder26.853.8200.55831.14
forwarder1.3350.21000.0.1.533
mobile tower yarder2.4261.5330.0.3.920
cable crane2.9230.7500.0.3.620
helicopter0.4700.3710.0.0.749
others0.0.0.0.0.0.0.0.
total33.846.5150.55840.82
NEskidder22.250.9452.72425.84
forwarder1.5330.21000.0.1.631
mobile tower yarder0.3710.21000.0.0.557
cable crane0.21000.0.0.0.0.2100
helicopter0.21000.0.0.0.0.2100
others0.21000.21000.21000.557
total24.541.4352.92328.83
NWskidder0.8501.0430.21001.928
forwarder0.0.0.0.0.0.0.0.
mobile tower yarder0.6570.9480.21001.732
cable crane0.9481.6340.21002.725
helicopter1.3380.6580.0.1.930
others0.21000.0.0.0.0.2100
total3.8184.0180.5528.36
OWskidder3.0231.5350.21004.818
forwarder0.0.0.21000.0.0.2100
mobile tower yarder2.6261.8310.4714.817
cable crane1.5351.9300.0.3.322
helicopter3.2222.8250.5596.514
others0.0.0.0.0.0.0.0.
total10.3118.2121.14119.64
SGskidder17.3916.191.13734.55
forwarder0.7501.7330.0.2.428
mobile tower yarder0.3701.9300.21002.426
cable crane2.2297.8140.47110.412
helicopter2.2292.1300.21004.520
others0.21000.5580.0.0.750
total23.0830.161.93054.93
SHskidder4.2170.0.0.5574.715
forwarder7.5100.0.0.0.7.510
mobile tower yarder0.0.0.0.0.0.0.0.
cable crane0.0.0.0.0.0.0.0.
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total11.740.0.0.55712.23
SOskidder14.580.8450.94516.38
forwarder13.390.8500.0.14.19
mobile tower yarder0.9450.11000.21001.238
cable crane0.0.0.4710.0.0.471
helicopter0.0.0.0.0.0.0.0.
others0.4670.0.0.0.0.467
total29.232.1291.14132.42
SZskidder6.6153.8210.210010.611
forwarder0.21000.21000.0.0.471
mobile tower yarder2.4261.9291.1395.416
cable crane3.0234.8170.21008.013
helicopter2.9241.2380.0.4.120
others0.0.0.21000.0.0.2100
total15.1912.1101.53428.73
TGskidder13.072.0270.0.15.06
forwarder4.7160.5580.0.5.215
mobile tower yarder0.0.0.0.0.0.0.0.
cable crane0.0.0.0.0.0.0.0.
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total17.742.5230.0.20.23
TIskidder5.91710.1132.12918.19
forwarder2.0302.3280.6584.919
mobile tower yarder0.5584.0210.0.4.520
cable crane1.93018.191.63321.68
helicopter15.11055.942.32773.44
others0.21000.4710.0.0.558
total25.6890.736.616123.02
URskidder1.8311.5340.21003.421
forwarder0.0.0.0.0.0.0.0.
mobile tower yarder0.0.1.0400.21001.237
cable crane0.5582.5240.21003.221
helicopter4.5182.9230.5588.012
others0.4710.21000.21000.749
total7.3138.0111.33716.65
VDskidder58.148.3142.02968.53
forwarder12.9111.0410.210014.110
mobile tower yarder1.6334.0210.9456.516
cable crane1.4352.9240.0.4.320
helicopter2.3282.1300.0.4.420
others0.0.0.0.0.0.0.0.
total76.3318.493.12397.82
VSskidder10.51314.6102.92428.17
forwarder1.8310.7500.0.2.527
mobile tower yarder4.81918.392.22725.47
cable crane2.5279.2130.37112.011
helicopter16.91025.083.92145.75
others0.21000.5580.21000.945
total36.8668.339.613114.72
ZGskidder2.6201.2360.0.3.914
forwarder0.4710.0.0.0.0.471
mobile tower yarder0.21001.0360.21001.431
cable crane0.21000.21000.0.0.471
helicopter0.0.0.0.0.0.0.0.
others0.0.0.0.0.0.0.0.
total3.4152.4200.21006.05
ZHskidder30.950.4700.0.31.35
forwarder13.3100.21000.0.13.510
mobile tower yarder2.3280.21000.0.2.427
cable crane0.7500.4700.0.1.141
helicopter0.0.0.0.0.0.0.0.
others0.5570.0.0.0.0.557
total47.821.1410.0.48.92
Switzerlandskidder389.42135.5329.48554.31
forwarder102.5414.6114.021121.23
mobile tower yarder36.6768.5513.112118.24
cable crane45.36103.149.114157.43
helicopter79.95121.3313.411214.62
others3.4234.7191.0419.214
total657.11447.8170.051174.90
© WSL, Swiss National Forest Inventory, 16.06.2020 #887125/353457
NFI4
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.0.0.50.50.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago45.81.852.43.356.63.269.02.471.71.916.02.624.21.922.22.210.81.88.52.36.81.96.01.09.61.02.80.627.30.5
11-20 years ago15.21.323.92.915.12.313.51.814.21.58.21.912.01.511.71.76.51.47.02.16.21.83.60.87.50.92.00.59.70.4
21-30 years ago7.00.96.21.67.91.82.00.75.21.06.81.73.00.84.51.15.61.39.72.44.91.71.80.55.70.82.40.54.70.3
31-40 years ago4.70.82.71.14.01.20.80.51.90.62.21.03.90.93.20.92.91.06.12.04.71.54.50.85.10.84.60.73.80.2
41-50 years ago3.10.61.80.92.21.00.0.0.90.43.21.22.70.72.80.94.81.21.91.11.91.13.30.74.20.73.10.62.80.2
over 50 years ago3.00.63.71.33.51.21.10.61.10.45.41.66.01.16.21.312.91.917.93.116.42.714.21.417.61.311.61.18.80.4
total78.81.491.11.989.82.086.41.895.10.941.83.451.92.250.52.643.62.851.14.041.03.733.51.849.71.726.41.457.20.5
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago5.10.81.30.76.61.65.51.22.50.721.62.822.51.920.32.116.02.111.82.716.32.812.61.38.71.06.60.910.20.4
11-20 years ago1.90.51.80.91.20.72.30.80.90.410.52.111.71.510.61.67.71.59.82.411.12.37.81.18.61.03.80.75.90.3
21-30 years ago1.00.40.40.40.0.0.80.51.00.45.41.54.30.94.61.18.71.66.01.96.51.95.80.96.20.85.30.84.00.2
31-40 years ago1.10.40.90.60.40.40.60.40.0.5.21.51.80.63.51.04.01.13.81.53.31.34.70.94.80.85.70.83.00.2
41-50 years ago0.60.30.0.0.40.40.0.0.0.3.31.11.50.62.30.84.61.22.61.33.11.45.00.92.90.66.20.82.60.2
over 50 years ago2.00.50.0.0.0.0.30.30.20.26.41.73.50.84.01.09.11.68.02.210.82.321.91.710.01.040.51.711.10.4
total11.71.14.41.38.51.89.51.54.50.952.33.445.32.245.32.650.22.842.04.051.03.857.91.941.31.768.21.537.00.5
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago4.80.82.31.00.80.62.30.80.40.31.70.81.70.61.70.73.51.03.51.53.31.42.50.62.20.51.30.42.30.2
11-20 years ago1.80.51.30.80.0.0.80.40.0.1.50.90.20.21.00.50.70.51.30.91.81.11.00.41.70.50.50.21.00.1
21-30 years ago0.90.30.0.0.50.50.30.30.0.0.40.40.0.0.0.1.00.60.70.71.00.70.50.31.80.50.20.20.60.1
31-40 years ago0.60.30.0.0.0.0.60.40.0.0.40.40.0.0.80.40.30.30.0.0.50.50.30.21.20.40.50.20.50.1
41-50 years ago0.20.20.0.0.40.40.0.0.0.0.40.40.0.0.60.40.0.0.70.70.0.1.00.40.60.30.60.30.40.1
over 50 years ago1.10.40.90.60.0.0.30.30.0.1.50.90.80.40.30.30.70.50.60.61.31.03.30.71.60.42.30.51.30.1
total9.41.14.51.41.70.84.21.10.40.36.01.62.80.84.21.06.31.46.92.07.92.18.61.19.11.05.40.85.90.3
totaln/a0.0.0.50.50.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago55.71.856.13.364.03.176.82.274.61.839.23.348.42.344.12.630.42.623.83.526.53.421.21.720.51.410.81.139.80.6
11-20 years ago18.91.426.93.016.32.416.52.015.21.520.22.724.01.923.32.214.92.018.23.119.13.012.41.317.81.36.30.816.60.5
21-30 years ago9.01.06.61.68.31.83.10.96.21.012.62.27.31.29.11.515.32.116.43.012.52.58.11.113.71.27.90.99.30.4
31-40 years ago6.30.93.61.24.41.32.00.71.90.67.91.85.71.17.41.47.31.59.92.48.52.09.61.211.11.110.71.17.30.3
41-50 years ago4.00.71.80.93.01.10.0.0.90.46.81.64.10.95.71.29.51.75.21.85.01.79.31.27.70.99.91.05.80.3
over 50 years ago6.20.94.61.43.51.21.70.71.20.513.32.410.41.410.41.622.72.426.63.628.53.439.42.029.21.654.41.721.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 03.07.2020 #887126/353458
NFI4
forest area
processes in channels SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
processes in channels SilvaProtecttime of last treatment (classes of 10 years) %± %± %± %± %± %±
n/an/a0.10.10.10.10.10.10.0.0.0.0.00.0
less than 10 years ago47.11.667.61.421.31.28.00.62.60.526.40.5
11-20 years ago16.91.214.11.010.90.95.80.51.90.59.40.4
21-30 years ago6.80.84.70.64.20.64.60.42.40.54.60.3
31-40 years ago4.20.62.00.43.30.54.50.44.50.73.80.2
41-50 years ago2.90.50.90.32.70.53.50.43.10.62.70.2
over 50 years ago3.40.61.90.46.90.817.20.814.31.110.10.4
total81.51.291.20.849.41.543.61.028.81.456.90.5
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago4.30.64.20.621.11.211.30.76.20.89.90.4
11-20 years ago1.90.41.40.310.80.98.30.63.50.65.80.3
21-30 years ago0.90.30.70.24.50.66.30.54.80.73.90.2
31-40 years ago1.00.30.30.23.10.54.40.45.30.73.00.2
41-50 years ago0.50.20.10.12.20.43.60.46.00.82.60.2
over 50 years ago1.60.40.20.14.90.614.20.740.21.611.90.4
total10.10.96.90.746.71.548.21.066.01.537.20.5
outside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago4.20.61.10.31.70.42.60.31.20.42.20.2
11-20 years ago1.80.40.20.10.70.21.20.20.50.21.00.1
21-30 years ago0.70.30.20.10.10.11.10.20.20.10.50.1
31-40 years ago0.40.20.20.10.40.20.60.20.40.20.40.1
41-50 years ago0.20.10.10.10.30.10.50.20.50.20.40.1
over 50 years ago1.10.30.20.10.70.32.10.32.30.51.40.1
total8.40.91.90.43.90.68.20.65.20.75.90.3
totaln/a0.10.10.10.10.10.10.0.0.0.0.00.0
less than 10 years ago55.51.672.91.344.11.521.90.910.01.038.50.6
11-20 years ago20.51.315.71.122.51.315.40.85.90.816.10.5
21-30 years ago8.40.95.50.78.80.911.90.77.50.99.00.4
31-40 years ago5.70.72.50.56.80.89.60.610.21.07.30.3
41-50 years ago3.60.61.00.35.20.77.60.69.61.05.70.3
over 50 years ago6.10.82.20.412.61.033.61.056.81.623.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 16.06.2020 #887127/353459
NFI4
forest area
processes in channels SilvaProtect · percentage of salvage logging
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
processes in channels SilvaProtectpercentage of salvage logging %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a0%83.02.444.89.659.97.544.91.765.54.757.43.489.510.535.45.538.61.658.63.869.73.369.73.851.78.547.95.238.43.082.95.077.63.448.94.267.74.520.41.641.65.468.82.128.41.840.28.583.32.449.30.6
1-50%11.72.10.0.5.13.74.70.710.23.12.91.30.0.1.21.20.80.33.51.43.01.211.32.70.0.2.21.52.20.910.94.29.82.40.0.10.52.90.20.20.0.3.10.80.30.26.14.19.01.93.50.2
over 50%5.31.42.82.80.0.3.30.64.22.15.01.610.510.52.71.91.30.43.61.48.31.95.21.80.0.1.71.31.50.73.12.13.21.44.61.89.92.90.50.31.51.56.41.11.40.510.76.05.21.43.30.2
total100.0.47.69.765.07.052.91.779.94.165.23.1100.0.39.35.640.71.765.73.681.12.886.22.851.78.551.85.242.03.096.92.190.52.453.54.288.13.021.11.643.15.578.21.930.11.957.18.497.51.056.00.6
inside perimeter0%0.0.48.59.720.65.834.51.68.42.929.32.90.0.46.55.747.61.720.93.116.12.64.01.741.98.837.95.048.63.10.0.5.71.933.44.011.23.071.11.846.85.517.71.758.02.016.96.22.51.035.30.6
1-50%0.0.0.0.1.91.92.30.51.21.21.50.90.0.0.0.0.50.20.0.0.50.50.70.70.0.2.31.63.31.10.0.0.60.62.81.40.70.71.00.40.0.0.60.40.50.316.36.50.0.1.10.1
over 50%0.0.0.0.1.91.92.60.50.90.91.50.90.0.0.0.1.70.40.60.60.90.70.0.0.0.3.01.72.10.80.0.0.0.5.21.90.0.1.10.42.41.60.60.42.30.66.64.80.0.1.50.2
total0.0.48.59.724.36.239.41.710.63.232.33.00.0.46.55.749.91.721.53.117.52.74.71.841.98.843.15.154.03.10.0.6.21.941.44.211.93.073.21.849.15.418.91.860.82.039.98.62.51.037.80.6
outside perimeter0%0.0.3.93.98.84.56.90.94.22.11.60.90.0.13.13.98.81.012.32.51.40.88.62.36.43.35.02.23.61.13.12.13.31.55.11.80.0.5.60.96.52.92.60.78.01.13.13.10.0.5.50.3
1-50%0.0.0.0.1.91.90.20.22.11.50.50.50.0.1.21.20.10.10.60.60.0.0.60.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.20.20.50.30.0.0.0.0.30.1
over 50%0.0.0.0.0.0.0.60.33.11.80.50.50.0.0.0.0.60.20.0.0.0.0.0.0.0.0.0.0.30.30.0.0.0.0.0.0.0.0.0.1.31.30.0.0.60.30.0.0.0.0.30.1
total0.0.3.93.910.74.87.80.99.53.12.51.10.0.14.34.09.41.012.82.61.40.89.12.36.43.35.02.24.01.23.12.13.31.55.11.80.0.5.70.97.83.12.90.89.11.23.13.10.0.6.10.3
total0%83.02.497.22.889.34.686.31.278.24.388.22.389.510.594.92.595.00.791.82.187.22.482.33.2100.0.90.82.990.71.786.04.786.52.787.42.878.93.997.10.794.92.589.11.494.41.060.29.185.82.390.10.4
1-50%11.72.10.0.8.84.47.20.913.53.54.81.60.0.2.41.71.40.44.11.53.51.312.52.80.0.4.42.25.51.410.94.210.32.42.81.411.23.01.30.50.0.4.00.91.40.522.56.89.01.94.90.3
over 50%5.31.42.82.81.91.96.50.88.32.97.01.810.510.52.71.93.60.64.21.59.32.05.21.80.0.4.72.13.91.13.12.13.21.49.92.59.92.91.60.55.12.57.01.24.20.817.37.15.21.45.10.3
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 #887128/353460
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