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NFI3

forest area: altitudinal vegetation zone · degree of cover of assured regeneration · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
altitudinal vegetation zonedegree of cover of assured regeneration %± %± %± %± %± %± %±
upper subalpineless than 1%........11.17.4..3.72.6
1-4%..50.035.4100.0.26.310.122.29.815.310.025.96.0
5-9%..50.035.4..36.811.122.29.845.913.833.36.4
10-25%......31.610.733.311.131.212.929.76.2
26-50%......5.35.111.17.47.67.47.43.6
51-75%..............
76-100%..............
total..100.0.100.0.100.0.100.0.100.0.100.0.
lower subalpineless than 1%..7.34.122.78.94.42.511.74.9..7.81.9
1-4%49.635.422.06.513.67.314.34.230.27.010.75.819.02.7
5-9%..22.06.513.87.432.85.616.35.628.58.524.23.0
10-25%50.435.434.17.422.78.931.45.527.96.842.99.432.13.3
26-50%..4.93.422.78.917.14.513.95.310.75.813.52.4
51-75%..9.84.64.54.4....3.63.53.01.2
76-100%..........3.63.50.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
upper montaneless than 1%21.411.01.51.515.85.92.22.217.56.05.03.48.21.8
1-4%21.411.015.24.415.85.920.06.020.06.325.06.918.92.5
5-9%..24.25.321.16.622.26.215.05.622.56.620.12.6
10-25%21.411.030.35.728.97.433.37.027.57.122.56.628.42.9
26-50%21.411.019.74.913.25.513.35.117.56.017.66.016.92.4
51-75%7.16.99.13.55.33.68.94.22.52.57.54.27.01.6
76-100%7.16.9..........0.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
lower montaneless than 1%....4.94.8......2.02.0
1-4%30.014.530.114.533.310.3......26.06.2
5-9%20.012.710.09.59.56.4..11.110.5..12.04.6
10-25%30.014.510.09.533.310.3..44.416.6..29.86.5
26-50%20.012.739.915.54.84.6..33.315.7..20.25.7
51-75%....14.37.6..11.110.5..7.93.8
76-100%..10.09.5........2.02.0
total100.0.100.0.100.0...100.0...100.0.
colline/submontaneless than 1%..............
1-4%..............
5-9%........100.0...16.815.3
10-25%..49.535.4..33.327.2....33.319.2
26-50%..50.535.4..66.727.2....50.020.4
51-75%..............
76-100%..............
total..100.0...100.0.100.0...100.0.
totalless than 1%11.56.33.31.614.53.93.01.512.63.22.51.77.01.1
1-4%26.98.719.03.621.74.517.53.222.54.018.54.320.01.7
5-9%7.75.222.33.815.74.029.23.917.13.628.35.022.11.8
10-25%26.98.729.74.227.74.932.14.029.74.330.95.130.01.9
26-50%19.27.716.53.413.23.715.33.116.23.513.63.815.41.5
51-75%3.83.88.32.57.22.82.91.41.81.34.92.44.90.9
76-100%3.83.80.80.8......1.21.20.50.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169198/155581
NFI4b
number of forest plots
altitudinal vegetation zone · area of largest gap (aerial photo, 5 classes)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
altitudinal vegetation zonearea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %±
upper subalpineno gap.0.0.0.0.0.02.92.03.63.53.01.7
small gap.0.0.0.050.035.425.05.132.18.827.54.4
medium gap.0.0.0.050.035.436.15.728.58.534.34.7
large gap.0.0.0.0.0.034.75.632.18.833.34.7
very large gap.0.0.0.0.0.01.41.43.73.62.01.4
total.0.0.0.0100.0.100.0.100.0.100.0.
lower subalpineno gap.0.0.0.07.93.49.31.914.34.79.71.6
small gap74.921.7.0.025.45.523.42.728.56.025.22.3
medium gap25.121.7.0.025.45.523.02.723.25.623.52.2
large gap.0.0.0.039.76.241.03.234.06.339.22.6
very large gap.0.0.0.01.61.63.31.2.0.02.50.8
total100.0..0.0100.0.100.0.100.0.100.0.
upper montaneno gap30.010.250.035.426.53.822.62.928.64.625.52.0
small gap45.011.150.035.436.84.130.43.231.74.733.32.2
medium gap5.04.9.0.019.93.419.62.814.33.517.81.8
large gap20.09.0.0.016.23.224.53.024.44.321.71.9
very large gap.0.0.0.00.70.72.91.21.01.01.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.
lower montaneno gap50.07.125.09.732.15.228.24.733.36.633.82.8
small gap32.06.660.111.039.55.439.15.147.17.040.82.9
medium gap10.04.2.0.016.04.110.93.23.92.710.21.8
large gap8.03.815.08.012.33.720.74.215.75.114.92.1
very large gap.0.0.0.0.0.01.11.1.0.00.30.3
total100.0.100.0.100.0.100.0.100.0.100.0.
colline/submontaneno gap32.38.437.99.038.28.348.07.145.65.242.33.2
small gap35.58.648.39.326.57.632.06.639.25.136.43.1
medium gap19.47.110.35.717.76.510.04.28.72.911.92.1
large gap12.96.03.43.417.66.510.04.26.52.69.41.9
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totalno gap39.04.833.36.625.32.418.31.529.52.524.51.1
small gap37.14.753.07.034.22.728.61.835.72.732.91.2
medium gap12.43.25.93.319.92.220.71.613.81.917.81.0
large gap11.43.17.83.819.92.230.01.820.32.223.41.1
very large gap.0.0.0.00.60.42.40.60.60.41.40.3
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #169199/155582
NFI4b
number of forest plots
altitudinal vegetation zone · area of largest gap (aerial photo, 5 classes)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
altitudinal vegetation zonearea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %± %±
upper subalpineno gap.0.0.0.0.0.06.14.1.0.03.63.53.01.7
small gap.0.025.021.7.0.026.47.625.07.232.18.827.44.4
medium gap.0.050.025.0.0.035.28.236.18.028.58.534.34.7
large gap.0.025.021.7.0.029.47.838.98.132.18.833.34.7
very large gap.0.0.0.0.0.02.92.9.0.03.73.62.01.4
total.0.0100.0..0.0100.0.100.0.100.0.100.0.
lower subalpineno gap.0.09.83.115.35.76.52.67.63.014.34.79.71.6
small gap75.121.625.04.528.77.325.04.519.04.428.56.025.22.3
medium gap24.921.625.04.520.06.425.04.521.54.623.25.623.42.2
large gap.0.038.05.133.67.641.35.146.85.634.06.339.22.6
very large gap.0.02.21.52.52.52.21.55.12.5.0.02.50.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
upper montaneno gap31.99.919.23.536.25.325.45.717.74.628.64.625.42.0
small gap45.410.635.44.234.95.232.26.126.55.431.74.733.32.2
medium gap4.54.422.33.79.63.218.65.127.95.414.33.517.91.8
large gap18.28.221.53.616.84.122.05.425.05.324.44.321.71.9
very large gap.0.01.51.12.41.71.71.72.92.11.01.01.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
lower montaneno gap42.85.935.06.231.35.721.78.621.78.633.36.633.72.8
small gap40.05.945.06.429.95.647.810.443.410.347.17.040.92.9
medium gap7.13.111.74.117.94.74.34.313.07.03.92.710.21.8
large gap10.03.68.33.619.44.826.19.221.98.615.75.114.92.1
very large gap.0.0.0.01.51.5.0.0.0.0.0.00.30.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
colline/submontaneno gap35.06.242.39.748.19.642.910.840.015.545.65.242.33.2
small gap41.76.426.98.725.98.438.110.630.014.539.25.136.53.1
medium gap15.04.611.56.314.86.89.56.420.012.78.72.911.92.1
large gap8.33.619.27.711.16.19.56.410.09.56.52.69.31.9
very large gap.0.0.0.0.0.0.0.0.0.0.0.0.0.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalno gap37.23.921.22.332.33.216.22.412.52.329.52.524.41.1
small gap42.34.033.32.731.13.230.63.025.53.035.72.732.91.2
medium gap10.32.420.52.314.72.421.42.725.02.913.81.917.91.0
large gap10.32.423.72.420.02.730.13.034.33.220.32.223.51.1
very large gap.0.01.30.61.80.91.70.92.81.10.60.41.40.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #169200/155583

NFI3

forest area: altitudinal vegetation zone · degree of cover of assured regeneration · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
altitudinal vegetation zonedegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
upper subalpineless than 1%........0.471..0.471
1-4%..0.21000.3710.9450.7500.4712.427
5-9%..0.2100..1.2380.7501.1413.124
10-25%......1.0411.1410.7502.825
26-50%......0.21000.4710.21000.750
51-75%..............
76-100%..............
total..0.4710.3713.2233.2232.3289.414
lower subalpineless than 1%..0.5580.9450.5580.945..2.825
1-4%0.21001.6330.5581.7312.3280.5586.816
5-9%..1.6330.5583.9211.2381.4358.714
10-25%0.21002.5270.9453.7212.1292.12911.612
26-50%..0.4710.9452.0291.1410.5584.919
51-75%..0.7500.2100....0.21001.141
76-100%..........0.21000.2100
total0.4717.4153.82111.9117.5155.01936.07
upper montaneless than 1%0.5580.21001.0410.21001.2380.4713.522
1-4%0.5581.8321.0411.5331.4351.8328.115
5-9%..2.9251.4351.7311.1411.6338.614
10-25%0.5583.6221.9302.6261.9301.63312.112
26-50%0.5582.3280.9451.0411.2381.2387.216
51-75%0.21001.1410.3710.7500.21000.5583.024
76-100%0.2100..........0.2100
total2.52711.9126.6167.7147.0167.11642.86
lower montaneless than 1%....0.2100......0.2100
1-4%0.5580.5581.238......2.328
5-9%0.4710.21000.371..0.2100..1.141
10-25%0.5580.21001.238..0.750..2.626
26-50%0.4710.7500.2100..0.558..1.832
51-75%....0.558..0.2100..0.750
76-100%..0.2100........0.2100
total1.8321.8323.622..1.633..8.814
colline/submontaneless than 1%..............
1-4%..............
5-9%........0.2100..0.2100
10-25%..0.2100..0.2100....0.371
26-50%..0.2100..0.371....0.558
51-75%..............
76-100%..............
total..0.471..0.5580.2100..1.041
totalless than 1%0.5580.7502.1290.7502.5270.4716.816
1-4%1.3384.2213.1234.1204.4202.72619.79
5-9%0.4714.9192.3286.8153.3234.12121.79
10-25%1.3386.5164.0217.5155.8174.42029.58
26-50%0.9453.6221.9303.6223.2231.93015.111
51-75%0.21001.8321.0410.7500.4710.7504.819
76-100%0.21000.2100......0.21000.558
total4.72021.9914.41023.4819.4914.31198.04

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169201/155584
NFI4b
number of forest plots
altitudinal vegetation zone · area of largest gap (aerial photo, 5 classes)
unit of reference: biogeographical region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
altitudinal vegetation zonearea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %± %±
upper subalpineno gap.0.0.0.0.0.06.94.7.0.05.55.43.72.1
small gap.0.0.0.0.0.029.98.425.87.938.811.529.25.0
medium gap.0.0.0.066.727.239.98.935.58.627.710.636.55.3
large gap.0.0.0.033.327.223.37.738.78.822.29.829.35.0
very large gap.0.0.0.0.0.0.0.0.0.05.85.61.31.3
total.0.0.0.0100.0.100.0.100.0.100.0.100.0.
lower subalpineno gap.0.0.0.010.92.75.12.57.73.313.45.19.11.6
small gap75.121.6.0.024.63.726.95.020.05.028.96.825.42.4
medium gap24.921.6.0.022.43.524.34.923.15.222.26.223.02.3
large gap.0.0.0.039.24.242.45.644.66.235.57.140.02.7
very large gap.0.0.0.02.91.41.31.34.62.6.0.02.40.8
total100.0..0.0100.0.100.0.100.0.100.0.100.0.
upper montaneno gap30.110.333.319.325.72.923.96.312.85.427.54.725.02.1
small gap45.011.133.319.334.23.234.87.025.67.031.94.933.52.3
medium gap5.04.916.715.218.52.621.76.130.87.414.33.718.41.9
large gap20.08.916.715.219.82.717.45.625.67.025.24.521.22.0
very large gap.0.0.0.01.80.92.22.25.13.51.11.11.90.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
lower montaneno gap49.16.934.38.429.74.225.09.721.411.037.87.234.52.8
small gap32.16.453.28.839.84.540.011.035.712.846.77.440.82.9
medium gap9.44.0.0.016.13.45.04.921.411.04.43.110.61.8
large gap9.44.012.55.813.63.230.010.321.611.011.14.713.82.0
very large gap.0.0.0.00.80.8.0.0.0.0.0.00.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
colline/submontaneno gap41.49.234.17.448.07.138.911.525.021.746.15.242.93.2
small gap27.68.351.27.824.06.038.911.550.025.039.65.136.93.2
medium gap17.27.09.84.616.05.211.17.4.0.08.83.011.62.1
large gap13.86.44.93.412.04.611.17.425.021.75.52.48.61.8
very large gap.0.0.0.0.0.0.0.0.0.0.0.0.0.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalno gap41.54.834.25.324.71.915.12.69.12.331.42.724.91.2
small gap34.94.650.65.631.82.031.83.424.83.536.62.833.41.3
medium gap11.33.16.32.719.01.722.93.026.83.613.12.017.81.0
large gap12.33.28.93.222.81.829.23.336.03.918.22.322.51.1
very large gap.0.0.0.01.70.61.00.73.31.40.70.51.30.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #169202/155585
NFI4b
number of forest plots
altitudinal vegetation zone · area of largest gap (aerial photo, 5 classes)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
cantonarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %±
AGno gap.0.0.0.0.0.0.0.0.0.0.0.0
small gap.0.0.0.0.0.0.0.066.727.366.727.3
medium gap.0.0.0.0.0.0.0.033.327.333.327.3
large gap.0.0.0.0.0.0.0.0.0.0.0.0
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0.0.0.0.0100.0.100.0.
AIno gap.0.0.0.025.022.3.0.0.0.010.09.8
small gap.0.033.328.075.022.066.727.9.0.060.015.7
medium gap.0.0.0.0.0.033.328.0.0.010.09.8
large gap.0.066.727.9.0.0.0.0.0.020.013.0
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0100.0.100.0.100.0..0.0100.0.
ARno gap.0.0.0.033.327.740.022.350.036.040.015.8
small gap.0.0.0.033.327.7.0.050.036.020.012.9
medium gap.0.0.0.033.327.740.022.3.0.030.014.8
large gap.0.0.0.0.0.020.018.2.0.010.09.7
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0100.0.100.0.100.0.100.0.
BEno gap.0.012.04.619.64.532.26.139.98.923.82.9
small gap.0.022.15.937.55.547.56.533.38.635.63.2
medium gap66.727.224.06.016.84.36.83.310.05.515.52.4
large gap33.327.237.96.923.54.813.64.516.96.923.32.9
very large gap.0.04.02.82.61.8.0.0.0.01.80.9
total100.0.100.0.100.0.100.0.100.0.100.0.
BL/BSno gap.0.0.0.0.0.075.021.850.020.660.015.6
small gap.0.0.0.0.0.025.021.8.0.010.09.6
medium gap.0.0.0.0.0.0.0.050.020.630.014.6
large gap.0.0.0.0.0.0.0.0.0.0.0.0
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0.0.0100.0.100.0.100.0.
FRno gap.0.09.69.113.07.150.015.950.035.522.16.2
small gap.0.020.112.726.19.230.014.550.035.526.76.6
medium gap.0.040.215.634.810.010.09.5.0.028.96.8
large gap.0.030.114.626.19.210.09.5.0.022.26.2
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0100.0.100.0.100.0.100.0.100.0.
GEno gap.0.0.0.0.0.0.0.0.0.0.0.0
small gap.0.0.0.0.0.0.0.0.0.0.0.0
medium gap.0.0.0.0.0.0.0.0.0.0.0.0
large gap.0.0.0.0.0.0.0.0.0.0.0.0
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0.0.0.0.0.0.0.0.0
GLno gap.0.0.0.040.015.650.015.9.0.034.69.4
small gap.0.020.018.130.014.620.012.8100.0.26.98.8
medium gap.0.020.018.0.0.020.012.8.0.011.56.3
large gap.0.040.022.130.014.6.0.0.0.019.27.8
very large gap.0.020.018.0.0.010.09.6.0.07.75.3
total.0.0100.0.100.0.100.0.100.0.100.0.
GRno gap.0.07.32.916.34.022.28.038.911.513.12.1
small gap23.76.919.54.431.45.051.89.633.311.128.72.9
medium gap34.27.722.04.625.64.711.16.016.78.823.52.7
large gap39.47.946.35.524.54.614.96.911.17.431.92.9
very large gap2.72.74.92.42.31.6.0.0.0.02.81.0
total100.0.100.0.100.0.100.0.100.0.100.0.
JUno gap.0.0.0.033.327.425.010.927.313.526.78.1
small gap.0.0.0.066.727.368.811.636.414.656.79.0
medium gap.0.0.0.0.0.06.36.19.18.76.74.6
large gap.0.0.0.0.0.0.0.027.313.510.05.5
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0100.0.100.0.100.0.100.0.
LUno gap.0.0.0.037.517.214.313.325.021.722.79.0
small gap.0.066.727.312.511.742.918.850.025.136.410.3
medium gap.0.033.327.325.015.428.617.125.021.727.39.5
large gap.0.0.0.025.015.414.313.3.0.013.67.3
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0100.0.100.0.100.0.100.0.100.0.
NEno gap.0.0.0.0.0.062.517.2.0.035.712.9
small gap.0.0100.0.100.0.12.511.8.0.050.013.4
medium gap.0.0.0.0.0.012.511.8.0.07.16.9
large gap.0.0.0.0.0.012.511.8.0.07.16.9
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0100.0.100.0.100.0..0.0100.0.
NWno gap.0.0.0.050.025.550.036.1.0.042.919.1
small gap.0.0100.0.50.025.550.036.1.0.057.119.0
medium gap.0.0.0.0.0.0.0.0.0.0.0.0
large gap.0.0.0.0.0.0.0.0.0.0.0.0
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0100.0.100.0.100.0..0.0100.0.
OWno gap.0.07.16.916.715.460.022.1.0.019.27.8
small gap.0.014.39.416.715.4.0.0100.0.15.47.1
medium gap.0.021.411.133.319.440.022.1.0.026.98.8
large gap.0.057.113.333.319.4.0.0.0.038.59.6
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0100.0.100.0.100.0.100.0.100.0.
SGno gap.0.017.911.435.79.123.18.347.411.532.15.1
small gap.0.018.211.735.79.146.19.836.811.136.95.3
medium gap.0.018.211.77.14.911.56.315.88.411.93.5
large gap.0.045.615.021.47.819.27.8.0.019.14.3
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0100.0.100.0.100.0.100.0.100.0.
SHno gap.0.0.0.0.0.0100.0..0.050.035.8
small gap.0.0.0.0.0.0.0.0100.0.50.035.8
medium gap.0.0.0.0.0.0.0.0.0.0.0.0
large gap.0.0.0.0.0.0.0.0.0.0.0.0
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0.0.0100.0.100.0.100.0.
SOno gap.0.0.0.0100.0.50.035.5100.0.83.315.3
small gap.0.0.0.0.0.0.0.0.0.0.0.0
medium gap.0.0.0.0.0.050.035.5.0.016.715.3
large gap.0.0.0.0.0.0.0.0.0.0.0.0
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0100.0.100.0.100.0.100.0.
SZno gap.0.014.313.338.110.750.015.9100.0.40.07.8
small gap.0.028.617.228.59.910.09.5.0.022.56.6
medium gap.0.014.313.314.37.720.012.7.0.015.05.7
large gap.0.042.918.89.56.420.012.7.0.017.56.0
very large gap.0.0.0.09.56.4.0.0.0.05.03.5
total.0.0100.0.100.0.100.0.100.0.100.0.
TGno gap.0.0.0.0100.0.50.035.657.118.860.015.6
small gap.0.0.0.0.0.050.035.614.313.320.012.7
medium gap.0.0.0.0.0.0.0.014.313.310.09.5
large gap.0.0.0.0.0.0.0.014.313.310.09.5
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0100.0.100.0.100.0.100.0.
TIno gap9.18.714.45.932.96.041.07.946.95.535.43.2
small gap54.515.031.47.926.35.741.07.939.85.435.93.2
medium gap27.313.422.87.113.14.35.13.58.43.112.22.2
large gap9.18.731.47.926.05.612.85.44.82.416.12.4
very large gap.0.0.0.01.61.6.0.0.0.00.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.
URno gap.0.022.213.938.617.428.617.250.025.132.58.9
small gap.0.033.315.836.917.114.313.325.021.828.48.6
medium gap.0.033.315.812.311.628.617.225.021.824.98.2
large gap.0.011.110.512.311.628.617.2.0.014.26.6
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0100.0.100.0.100.0.100.0.100.0.
VDno gap.0.0.0.021.19.445.715.133.313.624.15.8
small gap.0.058.314.342.311.445.115.050.014.548.16.8
medium gap.0.08.38.021.19.4.0.08.38.011.14.3
large gap.0.033.313.615.58.29.18.78.38.016.65.1
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0100.0.100.0.100.0.100.0.100.0.
VSno gap6.94.75.82.526.46.122.78.942.910.816.52.6
small gap29.98.425.64.732.16.445.510.638.110.631.13.2
medium gap39.98.925.64.720.85.64.54.49.56.422.62.9
large gap23.37.741.95.318.95.427.39.59.56.428.83.1
very large gap.0.01.21.21.91.9.0.0.0.00.90.7
total100.0.100.0.100.0.100.0.100.0.100.0.
ZGno gap.0.0100.0..0.016.715.8.0.022.214.3
small gap.0.0.0.050.036.650.021.1.0.044.417.1
medium gap.0.0.0.050.036.6.0.0.0.011.110.8
large gap.0.0.0.0.0.033.319.9.0.022.214.3
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0100.0.100.0.100.0..0.0100.0.
ZHno gap.0.0.0.0.0.0.0.0.0.0.0.0
small gap.0.0.0.0100.0..0.033.327.350.025.1
medium gap.0.0.0.0.0.0.0.0.0.0.0.0
large gap.0.0.0.0.0.0.0.066.727.350.025.1
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0100.0..0.0100.0.100.0.
Switzerlandno gap3.72.19.11.625.12.134.62.842.73.225.01.2
small gap29.35.025.52.433.42.340.92.937.03.233.41.3
medium gap36.55.323.02.318.41.910.51.811.72.117.81.0
large gap29.25.040.02.721.22.013.72.08.61.822.51.1
very large gap1.31.32.40.81.90.70.40.4.0.01.30.3
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #169203/155586

NFI3

forest area: altitudinal vegetation zone · degree of cover of assured regeneration · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic regiondegree of cover of assured regeneration %± %± %± %± %± %±
Western Juraless than 1%....21.411.0....12.06.5
1-4%..49.835.421.411.033.315.7..28.09.0
5-9%......22.213.9..8.05.4
10-25%..50.235.421.411.033.315.7..28.09.0
26-50%....21.411.011.110.5..16.07.3
51-75%....7.16.9....4.03.9
76-100%....7.16.9....4.03.9
total..100.0.100.0.100.0...100.0.
Eastern Juraless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
Western Plateauless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
Central Plateauless than 1%............
1-4%............
5-9%............
10-25%............
26-50%......100.0...100.0.
51-75%............
76-100%............
total......100.0...100.0.
Eastern Plateauless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
Western Pre-Alpsless than 1%..14.313.2......3.93.8
1-4%..28.617.118.89.8....19.37.8
5-9%..14.313.231.311.6....23.18.3
10-25%..14.313.218.89.8..48.935.319.17.7
26-50%..14.313.225.010.8100.0.51.135.327.08.7
51-75%..14.313.26.36.1....7.75.2
76-100%............
total..100.0.100.0.100.0.100.0.100.0.
Central Pre-Alpsless than 1%..18.211.6......6.14.2
1-4%100.0.18.211.613.38.833.319.3..21.27.1
5-9%..18.211.620.010.316.715.2..18.26.7
10-25%..36.414.540.012.716.715.2..33.38.2
26-50%....6.76.433.319.3..9.15.0
51-75%..9.18.720.010.3....12.15.7
76-100%............
total100.0.100.0.100.0.100.0...100.0.
Eastern Pre-Alpsless than 1%..33.327.216.715.2....12.58.3
1-4%......42.918.7..18.89.8
5-9%..66.727.250.020.4....31.311.6
10-25%....16.715.228.617.1..18.89.8
26-50%......14.313.2..6.36.1
51-75%....16.715.214.313.2..12.58.3
76-100%............
total..100.0.100.0.100.0...100.0.
Northwestern Alpsless than 1%....2.92.8....1.61.6
1-4%..21.78.614.35.933.427.3..17.74.9
5-9%100.0.26.19.222.97.1....24.25.4
10-25%..39.110.231.47.8....32.35.9
26-50%..4.34.322.97.133.227.1..16.14.7
51-75%..8.75.95.73.9....6.53.1
76-100%......33.427.3..1.61.6
total100.0.100.0.100.0.100.0...100.0.
Central Alpsless than 1%..22.213.918.89.823.620.8..19.27.1
1-4%100.0.33.315.725.010.825.522.0..32.38.4
5-9%....12.58.325.522.0..9.75.3
10-25%..33.315.731.311.6....25.97.9
26-50%..11.110.512.58.3....9.75.3
51-75%......25.522.0..3.23.2
76-100%............
total100.0.100.0.100.0.100.0...100.0.
Northeastern Alpsless than 1%..19.812.612.58.3....11.15.2
1-4%....12.58.330.014.5..13.95.8
5-9%..10.710.118.89.810.09.5..14.15.8
10-25%..19.812.631.311.650.015.8..33.37.9
26-50%..39.715.518.89.8....19.46.6
51-75%..9.99.46.36.110.09.5..8.34.6
76-100%............
total..100.0.100.0.100.0...100.0.
Southwestern Alpsless than 1%..4.42.52.22.2....3.01.5
1-4%26.310.114.34.220.06.0....17.53.2
5-9%36.811.132.85.622.26.2....29.23.9
10-25%31.610.731.45.533.37.0..33.327.232.14.0
26-50%5.35.117.14.513.35.1..66.727.215.33.1
51-75%....8.94.2....2.91.4
76-100%............
total100.0.100.0.100.0...100.0.100.0.
Southeastern Alpsless than 1%11.17.411.74.917.56.0....12.63.2
1-4%22.29.830.27.020.06.3....22.54.0
5-9%22.29.816.35.615.05.611.110.5100.0.17.13.6
10-25%33.311.127.96.827.57.144.416.6..29.74.3
26-50%11.17.413.95.317.56.033.315.7..16.23.5
51-75%....2.52.511.110.5..1.81.3
76-100%............
total100.0.100.0.100.0.100.0.100.0.100.0.
Southern Alpsless than 1%....5.03.4....2.51.7
1-4%15.310.010.75.825.06.9....18.54.3
5-9%45.913.828.58.522.56.6....28.35.0
10-25%31.212.942.99.422.56.6....30.95.1
26-50%7.67.410.75.817.66.0....13.63.8
51-75%..3.63.57.54.2....4.92.4
76-100%..3.63.5......1.21.2
total100.0.100.0.100.0.....100.0.
Switzerlandless than 1%3.72.67.81.98.31.82.02.0..7.01.1
1-4%26.16.019.12.719.02.526.16.2..20.11.7
5-9%33.26.424.13.020.12.612.14.616.715.322.11.8
10-25%29.66.232.13.328.32.929.66.433.119.230.01.9
26-50%7.43.613.42.416.92.420.15.750.220.415.41.5
51-75%..3.01.27.01.68.03.9..4.80.9
76-100%..0.50.50.40.42.02.0..0.50.3
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169204/155587
NFI4b
number of forest plots
altitudinal vegetation zone · area of largest gap (aerial photo, 5 classes)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
altitudinal vegetation zonearea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %±
upper subalpineno gap.0.0.0.0.0.03.32.35.55.43.72.1
small gap.0.0.0.0.0.027.05.638.811.529.35.0
medium gap.0.0.0.0100.0.38.16.127.710.636.55.3
large gap.0.0.0.0.0.031.75.922.29.829.25.0
very large gap.0.0.0.0.0.0.0.05.85.61.31.3
total.0.0.0.0100.0.100.0.100.0.100.0.
lower subalpineno gap.0.0.0.08.13.58.71.913.45.19.11.6
small gap74.921.7.0.025.85.623.72.928.96.825.52.4
medium gap25.121.7.0.024.25.422.82.822.26.223.02.3
large gap.0.0.0.040.36.241.63.335.57.140.02.7
very large gap.0.0.0.01.61.63.21.2.0.02.40.8
total100.0..0.0100.0.100.0.100.0.100.0.
upper montaneno gap31.510.750.035.424.63.822.73.128.44.825.02.1
small gap42.111.350.035.437.74.330.23.431.95.033.62.3
medium gap5.35.1.0.020.03.521.13.013.63.718.41.9
large gap21.19.4.0.016.93.322.73.124.94.621.22.0
very large gap.0.0.0.00.80.83.21.31.11.11.90.7
total100.0.100.0.100.0.100.0.100.0.100.0.
lower montaneno gap50.07.125.09.731.35.228.44.838.67.334.52.8
small gap32.06.660.111.040.05.539.85.245.57.540.72.9
medium gap10.04.2.0.016.34.111.33.44.53.110.71.8
large gap8.03.815.08.012.53.719.44.211.44.813.82.0
very large gap.0.0.0.0.0.01.11.1.0.00.30.3
total100.0.100.0.100.0.100.0.100.0.100.0.
colline/submontaneno gap33.38.637.99.038.28.349.07.146.15.242.83.2
small gap36.78.848.39.326.57.632.76.739.65.136.93.2
medium gap16.76.810.35.717.76.510.24.38.83.011.62.1
large gap13.36.23.43.417.66.58.23.95.52.48.61.8
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totalno gap39.84.833.36.624.42.518.61.631.82.825.01.2
small gap36.94.853.07.034.52.729.11.836.42.833.41.3
medium gap11.73.25.93.319.92.321.21.712.92.017.81.0
large gap11.73.27.83.820.52.328.81.818.22.322.51.1
very large gap.0.0.0.00.70.52.30.60.70.51.30.3
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #169205/155588
NFI4b
number of forest plots
altitudinal vegetation zone · area of largest gap (aerial photo, 5 classes)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
altitudinal vegetation zonearea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %± %±
upper subalpineno gap.0.0.0.0.0.06.94.7.0.05.55.43.72.1
small gap.0.0.0.0.0.029.98.425.87.938.811.529.25.0
medium gap.0.066.727.2.0.039.98.935.58.627.710.636.55.3
large gap.0.033.327.2.0.023.37.738.78.822.29.829.35.0
very large gap.0.0.0.0.0.0.0.0.0.05.85.61.31.3
total.0.0100.0..0.0100.0.100.0.100.0.100.0.
lower subalpineno gap.0.09.23.116.76.25.82.56.93.013.45.19.11.6
small gap75.121.626.44.724.67.225.64.719.44.728.96.825.42.4
medium gap24.921.623.04.519.26.525.64.722.24.922.26.223.02.3
large gap.0.039.15.236.78.141.95.345.85.935.57.140.02.7
very large gap.0.02.31.62.72.71.21.25.62.7.0.02.40.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
upper montaneno gap33.410.319.03.535.15.426.46.115.34.728.44.824.92.1
small gap42.810.835.74.336.45.532.16.425.45.731.95.033.52.3
medium gap4.84.622.23.710.43.520.85.630.56.013.63.718.41.9
large gap19.08.621.43.715.64.118.95.425.45.724.94.621.22.0
very large gap.0.01.61.12.61.81.91.93.42.41.11.11.90.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
lower montaneno gap42.85.932.86.231.85.722.78.922.78.938.67.334.52.8
small gap40.05.946.66.630.45.745.510.645.410.645.57.540.92.9
medium gap7.13.112.14.318.24.74.54.413.67.34.53.110.61.8
large gap10.03.68.63.718.24.727.39.518.38.311.44.813.72.0
very large gap.0.0.0.01.51.5.0.0.0.0.0.00.30.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
colline/submontaneno gap35.66.242.39.750.09.842.910.840.015.546.15.242.83.2
small gap42.46.426.98.726.98.738.110.630.014.539.65.137.03.2
medium gap13.64.511.56.315.47.19.56.420.012.78.83.011.62.1
large gap8.53.619.27.77.75.29.56.410.09.55.52.48.61.8
very large gap.0.0.0.0.0.0.0.0.0.0.0.0.0.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalno gap37.73.920.72.332.73.316.52.611.92.331.82.824.91.2
small gap42.24.034.02.731.23.231.13.225.83.136.42.833.41.3
medium gap9.72.420.02.315.12.522.62.925.83.112.92.017.81.0
large gap10.42.524.02.519.22.828.83.133.53.418.22.322.61.1
very large gap.0.01.30.71.91.00.90.73.11.20.70.51.30.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #169206/155589

NFI3

forest area: altitudinal vegetation zone · degree of cover of assured regeneration · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic regiondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 1%....0.558....0.558
1-4%..0.21000.5580.558..1.338
5-9%......0.471..0.471
10-25%..0.21000.5580.558..1.338
26-50%....0.5580.2100..0.750
51-75%....0.2100....0.2100
76-100%....0.2100....0.2100
total..0.4712.5271.633..4.520
Eastern Juraless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
Western Plateauless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
Central Plateauless than 1%............
1-4%............
5-9%............
10-25%............
26-50%......0.2100..0.2100
51-75%............
76-100%............
total......0.2100..0.2100
Eastern Plateauless than 1%............
1-4%............
5-9%............
10-25%............
26-50%............
51-75%............
76-100%............
total............
Western Pre-Alpsless than 1%..0.2100......0.2100
1-4%..0.4710.658....0.944
5-9%..0.21000.944....1.140
10-25%..0.21000.658..0.21000.945
26-50%..0.21000.7500.21000.21001.337
51-75%..0.21000.2100....0.471
76-100%............
total..1.3372.9240.21000.4714.819
Central Pre-Alpsless than 1%..0.471......0.471
1-4%0.21000.4710.4710.471..1.338
5-9%..0.4710.5580.2100..1.141
10-25%..0.7501.1410.2100..2.030
26-50%....0.21000.471..0.558
51-75%..0.21000.558....0.750
76-100%............
total0.21002.0302.7261.141..5.917
Eastern Pre-Alpsless than 1%..0.21000.2100....0.471
1-4%......0.558..0.558
5-9%..0.4710.558....0.945
10-25%....0.21000.471..0.558
26-50%......0.2100..0.2100
51-75%....0.21000.2100..0.471
76-100%............
total..0.5581.1411.238..2.825
Northwestern Alpsless than 1%....0.2100....0.2100
1-4%..0.9440.9440.2100..2.030
5-9%0.21001.1411.435....2.725
10-25%..1.6332.030....3.622
26-50%..0.21001.4350.2100..1.831
51-75%..0.4710.471....0.750
76-100%......0.2100..0.2100
total0.21004.1206.3160.558..11.212
Central Alpsless than 1%..0.4710.6570.2100..1.140
1-4%0.4710.6570.8500.2100..1.931
5-9%....0.4710.2100..0.657
10-25%..0.6570.944....1.535
26-50%..0.21000.471....0.657
51-75%......0.2100..0.2100
76-100%............
total0.4711.7333.0240.750..5.817
Northeastern Alpsless than 1%..0.3710.371....0.750
1-4%....0.3710.557..0.844
5-9%..0.21000.5570.2100..0.945
10-25%..0.3710.8440.844..2.028
26-50%..0.7500.557....1.237
51-75%..0.21000.21000.2100..0.557
76-100%............
total..1.7312.7241.731..6.116
Southwestern Alpsless than 1%..0.5580.2100....0.750
1-4%0.9451.7311.533....4.120
5-9%1.2383.9211.731....6.815
10-25%1.0413.7212.626..0.21007.515
26-50%0.21002.0291.041..0.3713.622
51-75%....0.750....0.750
76-100%............
total3.22311.9117.714..0.55823.48
Southeastern Alpsless than 1%0.4710.9451.238....2.527
1-4%0.7502.3281.435....4.420
5-9%0.7501.2381.1410.21000.21003.323
10-25%1.1412.1291.9300.750..5.817
26-50%0.4711.1411.2380.558..3.223
51-75%....0.21000.2100..0.471
76-100%............
total3.2237.5157.0161.6330.210019.49
Southern Alpsless than 1%....0.471....0.471
1-4%0.4710.5581.832....2.726
5-9%1.1411.4351.633....4.121
10-25%0.7502.1291.633....4.420
26-50%0.21000.5581.238....1.930
51-75%..0.21000.558....0.750
76-100%..0.2100......0.2100
total2.3285.0197.116....14.311
Switzerlandless than 1%0.4712.8253.6220.2100..6.916
1-4%2.5276.9168.2152.328..19.89
5-9%3.1248.7148.7141.1410.210021.89
10-25%2.82511.61212.2122.6260.37129.58
26-50%0.7504.9197.3161.8320.55815.111
51-75%..1.1413.0240.750..4.819
76-100%..0.21000.21000.2100..0.558
total9.41436.1743.068.8141.04198.44

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169207/155590
NFI4b
number of forest plots
altitudinal vegetation zone · area of largest gap (aerial photo, 5 classes)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
altitudinal vegetation zone
upper subalpinelower subalpineupper montanelower montanecolline/submontanetotal
economic regionarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %±
Western Jurano gap.0.0.0.031.710.746.77.433.310.338.25.2
small gap.0.075.221.542.011.333.37.038.110.638.25.2
medium gap.0.024.821.55.35.111.14.79.56.410.13.2
large gap.0.0.0.021.09.38.94.219.08.613.53.6
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0100.0.100.0.100.0.100.0.100.0.
Eastern Jurano gap.0.0.0.0.0.080.017.933.315.850.013.4
small gap.0.0.0.0.0.020.018.033.315.828.612.1
medium gap.0.0.0.0.0.0.0.033.315.821.411.0
large gap.0.0.0.0.0.0.0.0.0.0.0.0
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0.0.0100.0.100.0.100.0.
Western Plateauno gap.0.0.0.0.0.029.217.425.021.725.312.7
small gap.0.0.0.0100.0.56.218.975.021.766.313.7
medium gap.0.0.0.0.0.0.0.0.0.0.0.0
large gap.0.0.0.0.0.014.613.5.0.08.48.1
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0100.0.100.0.100.0.100.0.
Central Plateauno gap.0.0.0.0.0.020.012.741.714.331.89.9
small gap.0.0.0.0.0.060.015.550.014.554.510.6
medium gap.0.0.0.0.0.0.0.08.38.04.54.5
large gap.0.0.0.0.0.020.012.7.0.09.16.1
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0.0.0100.0.100.0.100.0.
Eastern Plateauno gap.0.0.0.0100.0.33.327.338.513.541.211.9
small gap.0.0.0.0.0.066.727.338.513.541.211.9
medium gap.0.0.0.0.0.0.0.015.410.011.87.8
large gap.0.0.0.0.0.0.0.07.77.45.95.7
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0100.0.100.0.100.0.100.0.
Western Pre-Alpsno gap.0.09.86.617.76.642.918.828.817.219.14.8
small gap.0.030.110.326.57.628.617.114.413.426.55.4
medium gap.0.035.110.732.48.114.313.343.218.832.45.7
large gap.0.025.19.723.47.314.313.313.712.722.05.0
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0100.0.100.0.100.0.100.0.100.0.
Central Pre-Alpsno gap.0.03.73.618.55.325.07.236.414.518.63.4
small gap.0.022.28.040.76.755.68.336.414.540.34.3
medium gap100.0.18.57.520.45.513.95.8.0.017.13.3
large gap.0.051.99.620.45.55.63.827.313.423.33.7
very large gap.0.03.73.6.0.0.0.0.0.00.80.8
total100.0.100.0.100.0.100.0.100.0.100.0.
Eastern Pre-Alpsno gap.0.013.38.838.17.535.17.943.812.434.54.5
small gap.0.026.711.442.97.727.07.325.010.832.74.5
medium gap.0.020.010.39.54.518.96.418.89.815.53.5
large gap.0.040.012.77.14.018.96.412.58.316.43.5
very large gap.0.0.0.02.42.4.0.0.0.00.90.9
total.0.0100.0.100.0.100.0.100.0.100.0.
Northwestern Alpsno gap.0.012.55.221.16.646.712.962.517.124.34.2
small gap.0.027.57.136.87.833.312.225.015.331.14.6
medium gap50.035.420.06.315.85.96.76.5.0.015.53.6
large gap50.035.437.57.721.16.613.38.812.511.726.24.3
very large gap.0.02.52.55.33.6.0.0.0.02.91.7
total100.0.100.0.100.0.100.0.100.0.100.0.
Central Alpsno gap.0.020.012.738.913.637.517.266.719.338.08.0
small gap.0.030.014.622.911.712.511.716.715.321.66.8
medium gap.0.030.014.622.911.725.015.416.715.324.37.1
large gap.0.020.012.77.67.425.015.4.0.013.55.6
very large gap.0.0.0.07.67.4.0.0.0.02.72.7
total.0.0100.0.100.0.100.0.100.0.100.0.
Northeastern Alpsno gap.0.018.411.627.39.523.89.350.025.125.95.8
small gap.0.018.111.731.810.042.910.850.025.134.56.3
medium gap.0.09.18.74.54.514.37.7.0.08.63.7
large gap.0.045.315.036.410.314.37.7.0.027.65.9
very large gap.0.09.18.7.0.04.84.7.0.03.42.4
total.0.0100.0.100.0.100.0.100.0.100.0.
Southwestern Alpsno gap6.94.75.82.526.46.122.78.942.910.816.52.6
small gap29.98.425.64.732.16.445.510.638.110.631.13.2
medium gap39.98.925.64.720.85.64.54.49.56.422.62.9
large gap23.37.741.95.318.95.427.39.59.56.428.83.1
very large gap.0.01.21.21.91.9.0.0.0.00.90.7
total100.0.100.0.100.0.100.0.100.0.100.0.
Southeastern Alpsno gap.0.06.93.015.34.722.78.940.015.511.92.3
small gap25.87.919.44.725.45.745.410.630.014.525.83.1
medium gap35.58.622.24.930.56.013.67.320.012.725.83.1
large gap38.78.845.85.925.45.718.38.310.09.533.53.4
very large gap.0.05.62.73.42.4.0.0.0.03.11.2
total100.0.100.0.100.0.100.0.100.0.100.0.
Southern Alpsno gap5.55.413.45.128.44.838.67.346.15.231.82.8
small gap38.811.528.96.831.95.045.57.539.65.136.42.8
medium gap27.710.622.26.213.63.74.53.18.83.012.92.0
large gap22.29.835.57.124.94.611.44.85.52.418.22.3
very large gap5.85.6.0.01.11.1.0.0.0.00.70.5
total100.0.100.0.100.0.100.0.100.0.100.0.
Switzerlandno gap3.72.19.11.625.02.134.62.842.83.224.91.2
small gap29.25.025.52.433.52.340.72.936.93.233.41.3
medium gap36.55.323.02.318.41.910.61.811.72.117.81.0
large gap29.35.040.02.721.22.013.72.08.61.822.51.1
very large gap1.31.32.40.81.90.70.40.4.0.01.30.3
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #169208/155591
NFI4b
number of forest plots
area of largest gap (aerial photo, 5 classes) · altitudinal vegetation zone
unit of reference: biogeographical region
unit: %
unit of evaluation: accessible forest without shrub forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
area of largest gap (aerial photo, 5 classes)altitudinal vegetation zone %± %± %± %± %± %± %±
no gapupper subalpine.0.0.0.0.0.06.44.4.0.01.81.31.10.5
lower subalpine.0.0.0.011.72.718.76.936.811.19.12.910.61.6
upper montane13.75.27.45.044.64.237.48.642.311.330.14.633.22.5
lower montane59.17.440.79.526.63.715.66.415.78.317.03.827.52.3
colline/submontane27.36.751.99.617.23.221.87.35.25.141.94.927.72.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
small gapupper subalpine.0.0.0.00.60.614.14.320.96.28.92.66.11.1
lower subalpine7.94.4.0.020.83.134.45.934.97.314.03.119.31.8
upper montane26.37.15.03.445.53.726.65.527.96.826.34.031.82.1
lower montane44.78.142.57.826.43.314.14.311.64.920.53.724.82.0
colline/submontane21.06.652.57.96.71.910.93.94.73.230.34.218.01.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
medium gapupper subalpine.0.0.0.01.81.327.36.728.96.817.45.613.32.1
lower subalpine7.77.4.0.033.94.543.27.535.67.128.36.632.72.9
upper montane7.77.420.017.938.54.722.76.328.96.832.66.931.32.9
lower montane38.513.5.0.018.33.72.32.26.73.74.33.011.92.0
colline/submontane46.213.880.017.97.32.54.53.1.0.017.45.610.81.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
large gapupper subalpine.0.0.0.00.80.815.44.521.25.013.24.19.71.6
lower subalpine.0.0.0.042.34.355.56.250.06.228.05.540.92.6
upper montane30.812.814.313.237.74.316.94.621.25.038.15.930.22.5
lower montane38.513.557.118.713.83.09.23.64.62.611.83.912.61.8
colline/submontane30.812.828.617.15.42.03.12.13.12.18.83.46.61.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
very large gapupper subalpine.0.0.0.0.0.040.722.1.0.051.035.314.57.7
lower subalpine.0.0.0.044.416.639.521.860.021.9.0.042.610.8
upper montane.0.0.0.044.416.619.817.740.021.949.035.338.110.6
lower montane.0.0.0.011.110.5.0.0.0.0.0.04.84.7
colline/submontane.0.0.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0100.0.100.0.100.0.100.0.100.0.
totalupper subalpine.0.0.0.00.70.416.72.620.23.09.11.67.10.7
lower subalpine3.71.8.0.026.41.940.53.441.63.717.22.125.01.1
upper montane19.53.87.63.042.12.124.33.027.53.430.82.531.81.2
lower montane49.14.840.55.521.71.710.02.17.92.015.42.020.01.0
colline/submontane27.84.351.95.69.01.28.61.92.81.227.52.416.10.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #169209/155592

NFI3

forest area: slope (20% classes) · altitude (400 m classes) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
slope (20% classes)altitude (400 m classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
to 20%above 1800 m..............
1401-1800 m..............
1001-1400 m..............
601-1000 m..............
to 600 m..............
total..............
21-40 %above 1800 m....0.92414.91054.41211.928212.2165
1401-1800 m0.2100..8.210210.2708.1837.69234.339
1001-1400 m2.9254..22.81515.4993.71184.213939.196
601-1000 m1.3141..5.399......6.692
to 600 m..............
total4.3240..37.314020.64916.15613.816592.174
over 100%above 1800 m..........0.7500.750
1401-1800 m....0.5580.5580.21000.5581.832
1001-1400 m0.2100..2.0300.5580.21000.4713.224
601-1000 m0.2100..0.471......0.558
to 600 m..............
total0.471..2.9251.0410.4711.6336.217
totalabove 1800 m....0.9454.9184.4202.72612.911
1401-1800 m0.2100..8.71410.7128.2148.11436.07
1001-1400 m3.124..24.886.0163.9214.61942.36
601-1000 m1.435..5.718......7.216
to 600 m..............
total4.719..40.1621.6816.51015.41098.34

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169210/155593
NFI4b
number of forest plots
area of largest gap (aerial photo, 5 classes) · altitudinal vegetation zone
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
area of largest gap (aerial photo, 5 classes)
no gapsmall gapmedium gaplarge gapvery large gaptotal
cantonaltitudinal vegetation zone %± %± %± %± %± %±
AGupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine.0.0.0.0.0.0.0.0.0.0.0.0
upper montane.0.0.0.0.0.0.0.0.0.0.0.0
lower montane.0.0.0.0.0.0.0.0.0.0.0.0
colline/submontane.0.0100.0.100.0..0.0.0.0100.0.
total.0.0100.0.100.0..0.0.0.0100.0.
AIupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine.0.016.715.6.0.0100.0..0.030.014.9
upper montane100.0.50.020.9.0.0.0.0.0.040.015.8
lower montane.0.033.319.8100.0..0.0.0.030.014.9
colline/submontane.0.0.0.0.0.0.0.0.0.0.0.0
total100.0.100.0.100.0.100.0..0.0100.0.
ARupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine.0.0.0.0.0.0.0.0.0.0.0.0
upper montane25.022.150.036.033.327.7.0.0.0.030.014.8
lower montane50.025.4.0.066.727.6100.0..0.050.016.1
colline/submontane25.022.150.036.0.0.0.0.0.0.020.012.9
total100.0.100.0.100.0.100.0..0.0100.0.
BEupper subalpine.0.0.0.05.73.91.91.9.0.01.30.8
lower subalpine12.94.613.83.937.18.237.66.650.025.023.42.8
upper montane28.06.138.75.437.18.236.06.650.025.035.53.2
lower montane36.96.635.05.311.45.415.04.9.0.026.52.9
colline/submontane22.25.712.53.78.64.79.54.1.0.013.32.3
total100.0.100.0.100.0.100.0.100.0.100.0.
BL/BSupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine.0.0.0.0.0.0.0.0.0.0.0.0
upper montane.0.0.0.0.0.0.0.0.0.0.0.0
lower montane50.020.6100.0..0.0.0.0.0.036.414.6
colline/submontane50.020.6.0.0100.0..0.0.0.063.614.6
total100.0.100.0.100.0..0.0.0.0100.0.
FRupper subalpine.0.07.77.4.0.0.0.0.0.02.12.1
lower subalpine9.69.115.410.035.712.830.014.5.0.023.36.2
upper montane30.114.646.213.957.113.360.015.5.0.049.07.3
lower montane50.215.923.111.77.16.910.09.5.0.021.36.0
colline/submontane10.09.67.77.4.0.0.0.0.0.04.33.0
total100.0.100.0.100.0.100.0..0.0100.0.
GEupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine.0.0.0.0.0.0.0.0.0.0.0.0
upper montane.0.0.0.0.0.0.0.0.0.0.0.0
lower montane.0.0.0.0.0.0.0.0.0.0.0.0
colline/submontane.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0.0.0.0.0.0.0.0.0
GLupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine.0.032.715.733.327.540.022.150.035.724.88.2
upper montane44.416.733.715.9.0.060.022.1.0.035.89.1
lower montane55.616.722.414.166.727.4.0.050.035.735.89.1
colline/submontane.0.011.210.7.0.0.0.0.0.03.63.5
total100.0.100.0.100.0.100.0.100.0.100.0.
GRupper subalpine2.22.212.53.726.25.519.84.114.813.616.62.2
lower subalpine19.66.222.54.729.25.644.75.156.818.831.82.7
upper montane46.67.837.55.435.45.927.14.528.417.034.62.8
lower montane14.65.520.04.54.62.65.22.3.0.010.41.8
colline/submontane17.05.97.52.94.62.63.21.8.0.06.61.5
total100.0.100.0.100.0.100.0.100.0.100.0.
JUupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine.0.0.0.0.0.0.0.0.0.0.0.0
upper montane12.511.811.87.9.0.0.0.0.0.010.05.5
lower montane50.017.864.711.650.035.5.0.0.0.053.39.1
colline/submontane37.517.223.510.350.035.5100.0..0.036.78.8
total100.0.100.0.100.0.100.0..0.0100.0.
LUupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine.0.025.015.416.715.3.0.0.0.013.67.3
upper montane60.022.012.511.733.319.366.727.3.0.036.410.3
lower montane20.018.037.517.233.319.333.327.3.0.031.810.0
colline/submontane20.018.025.015.416.715.3.0.0.0.018.28.3
total100.0.100.0.100.0.100.0..0.0100.0.
NEupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine.0.014.313.3.0.0.0.0.0.07.16.9
upper montane.0.071.417.1.0.0.0.0.0.035.712.9
lower montane100.0.14.313.3100.0.100.0..0.057.113.2
colline/submontane.0.0.0.0.0.0.0.0.0.0.0.0
total100.0.100.0.100.0.100.0..0.0100.0.
NWupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine.0.025.022.1.0.0.0.0.0.012.511.9
upper montane50.025.550.025.5.0.0.0.0.0.050.018.0
lower montane50.025.525.022.1.0.0.0.0.0.037.517.5
colline/submontane.0.0.0.0.0.0.0.0.0.0.0.0
total100.0.100.0..0.0.0.0.0.0100.0.
OWupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine20.018.050.025.242.918.867.713.3.0.050.39.5
upper montane20.018.025.021.828.617.232.313.4.0.028.18.5
lower montane60.022.1.0.028.617.2.0.0.0.018.07.3
colline/submontane.0.025.021.8.0.0.0.0.0.03.63.6
total100.0.100.0.100.0.100.0..0.0100.0.
SGupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine6.84.66.34.325.012.529.411.1.0.013.33.6
upper montane41.49.234.48.416.710.835.311.6.0.034.45.0
lower montane20.77.537.58.633.313.635.311.6.0.031.14.9
colline/submontane31.18.621.97.325.012.5.0.0.0.021.14.3
total100.0.100.0.100.0.100.0..0.0100.0.
SHupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine.0.0.0.0.0.0.0.0.0.0.0.0
upper montane.0.0.0.0.0.0.0.0.0.0.0.0
lower montane100.0..0.0.0.0.0.0.0.050.035.8
colline/submontane.0.0100.0..0.0.0.0.0.050.035.8
total100.0.100.0..0.0.0.0.0.0100.0.
SOupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine.0.0.0.0.0.0.0.0.0.0.0.0
upper montane20.018.0.0.0.0.0.0.0.0.016.715.3
lower montane20.018.0.0.0100.0..0.0.0.033.319.3
colline/submontane60.022.0.0.0.0.0.0.0.0.050.020.5
total100.0..0.0100.0..0.0.0.0100.0.
SZupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine5.65.422.213.928.617.237.517.2.0.018.25.8
upper montane55.611.866.715.842.918.825.015.4100.0.52.37.6
lower montane27.810.611.110.528.617.225.015.4.0.022.76.3
colline/submontane11.17.4.0.0.0.012.511.8.0.06.83.8
total100.0.100.0.100.0.100.0.100.0.100.0.
TGupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine.0.0.0.0.0.0.0.0.0.0.0.0
upper montane16.715.3.0.0.0.0.0.0.0.010.09.5
lower montane16.715.350.035.6.0.0.0.0.0.020.012.7
colline/submontane66.719.350.035.6100.0.100.0..0.070.014.5
total100.0.100.0.100.0.100.0..0.0100.0.
TIupper subalpine1.21.110.33.111.85.58.44.0.0.07.11.6
lower subalpine9.33.115.73.732.48.027.26.4.0.017.72.3
upper montane26.54.719.84.129.47.837.37.0100.0.26.72.7
lower montane18.44.218.84.05.94.016.75.4.0.016.62.3
colline/submontane44.75.335.44.920.66.910.44.4.0.031.92.9
total100.0.100.0.100.0.100.0.100.0.100.0.
URupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine21.913.833.315.842.918.816.715.3.0.028.98.2
upper montane34.416.044.416.714.313.350.020.5.0.035.88.7
lower montane21.913.811.110.528.617.233.319.4.0.022.57.5
colline/submontane21.913.811.110.514.313.3.0.0.0.012.86.0
total100.0.100.0.100.0.100.0..0.0100.0.
VDupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine.0.027.08.725.015.344.816.6.0.022.95.6
upper montane35.712.830.99.162.517.132.815.6.0.036.86.4
lower montane35.712.819.07.7.0.011.210.6.0.019.25.2
colline/submontane28.612.123.18.312.511.711.210.6.0.021.15.4
total100.0.100.0.100.0.100.0..0.0100.0.
VSupper subalpine5.43.712.74.024.56.114.34.240.722.115.12.3
lower subalpine18.46.333.85.646.97.155.85.939.521.840.83.2
upper montane39.47.926.85.322.46.018.54.619.817.725.32.9
lower montane13.15.515.54.32.02.08.63.3.0.09.92.0
colline/submontane23.66.911.33.84.12.82.92.0.0.09.01.9
total100.0.100.0.100.0.100.0.100.0.100.0.
ZGupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine50.036.6.0.0.0.0.0.0.0.011.110.8
upper montane.0.025.022.4100.0..0.0.0.022.214.3
lower montane50.036.675.022.2.0.0100.0..0.066.716.1
colline/submontane.0.0.0.0.0.0.0.0.0.0.0.0
total100.0.100.0.100.0.100.0..0.0100.0.
ZHupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine.0.0.0.0.0.0.0.0.0.0.0.0
upper montane.0.050.035.5.0.0.0.0.0.025.021.7
lower montane.0.0.0.0.0.0.0.0.0.0.0.0
colline/submontane.0.050.035.5.0.0100.0..0.075.021.7
total.0.0100.0..0.0100.0..0.0100.0.
Switzerlandupper subalpine1.10.56.11.113.22.19.61.614.47.77.10.7
lower subalpine10.41.619.31.832.72.940.92.642.510.824.91.1
upper montane33.22.531.62.131.42.930.12.537.910.631.71.2
lower montane27.62.424.92.011.82.012.71.85.25.020.11.0
colline/submontane27.62.318.11.710.91.96.71.3.0.016.20.9
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #169211/155594

NFI3

forest area: slope (20% classes) · altitude (400 m classes) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
slope (20% classes)
to 20%21-40 %over 100%total
cantonaltitude (400 m classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
AIabove 1800 m........
1401-1800 m........
1001-1400 m..0.51700.21000.648
601-1000 m........
to 600 m........
total..0.51700.21000.648
ARabove 1800 m........
1401-1800 m........
1001-1400 m..0.2100..0.2100
601-1000 m..0.2100..0.2100
to 600 m........
total..0.370..0.370
BEabove 1800 m..0.5300..0.558
1401-1800 m..2.81470.21003.024
1001-1400 m..8.91490.21009.114
601-1000 m..1.6186..1.633
to 600 m........
total..13.91330.47114.211
BL/BSabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
FRabove 1800 m........
1401-1800 m..0.2100..0.2100
1001-1400 m..0.9241..0.944
601-1000 m..0.2100..0.2100
to 600 m........
total..1.3199..1.337
GEabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
GLabove 1800 m........
1401-1800 m..1.0120..1.040
1001-1400 m..1.5134..1.532
601-1000 m..1.22150.21001.434
to 600 m........
total..3.81610.21004.019
GRabove 1800 m..5.11070.4715.418
1401-1800 m..11.0740.210011.212
1001-1400 m..6.5910.3716.816
601-1000 m........
to 600 m........
total..22.6490.94523.58
JUabove 1800 m........
1401-1800 m........
1001-1400 m..0.7271..0.750
601-1000 m....0.21000.2100
to 600 m........
total..0.72710.21000.944
LUabove 1800 m........
1401-1800 m..0.2100..0.2100
1001-1400 m..0.3200..0.371
601-1000 m........
to 600 m........
total..0.5171..0.558
NEabove 1800 m........
1401-1800 m........
1001-1400 m..0.21000.21000.470
601-1000 m..0.7157..0.750
to 600 m........
total..0.91500.21001.140
NWabove 1800 m........
1401-1800 m....0.21000.2100
1001-1400 m..0.8480.21001.043
601-1000 m..0.470..0.470
to 600 m........
total..1.2380.4701.632
OWabove 1800 m........
1401-1800 m..0.21000.21000.470
1001-1400 m..1.140..1.140
601-1000 m..0.2100..0.2100
to 600 m........
total..1.41370.21001.632
SGabove 1800 m........
1401-1800 m..0.2100..0.2100
1001-1400 m..1.82350.4712.128
601-1000 m..1.4191..1.435
to 600 m........
total..3.31420.4713.721
SHabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
SOabove 1800 m........
1401-1800 m........
1001-1400 m..0.2100..0.2100
601-1000 m........
to 600 m........
total..0.2100..0.2100
SZabove 1800 m........
1401-1800 m........
1001-1400 m..0.91280.5581.535
601-1000 m........
to 600 m........
total..0.91280.5581.535
TGabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
TIabove 1800 m..1.23280.4711.633
1401-1800 m..5.01030.5585.518
1001-1400 m..2.81580.4713.223
601-1000 m........
to 600 m........
total..9.01771.23810.313
URabove 1800 m..0.4200..0.470
1401-1800 m..1.1120..1.140
1001-1400 m..2.1860.21002.228
601-1000 m..0.42000.21000.657
to 600 m........
total..3.9610.4704.319
VDabove 1800 m........
1401-1800 m..2.0195..2.030
1001-1400 m..3.11710.21003.323
601-1000 m........
to 600 m........
total..5.11100.21005.318
VSabove 1800 m..5.0105..5.018
1401-1800 m..10.6690.55811.112
1001-1400 m..6.6890.5587.215
601-1000 m..0.2100..0.2100
to 600 m........
total..22.3471.04123.48
ZGabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m..0.2100..0.2100
to 600 m........
total..0.2100..0.2100
ZHabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
Switzerlandabove 1800 m..12.21650.75012.911
1401-1800 m..34.3391.83236.17
1001-1400 m..39.0963.22442.26
601-1000 m..6.6920.5587.116
to 600 m........
total..92.0746.21798.24

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #169212/155595
NFI4b
number of forest plots
area of largest gap (aerial photo, 5 classes) · altitudinal vegetation zone
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
area of largest gap (aerial photo, 5 classes)altitudinal vegetation zone %± %± %± %± %± %±
no gapupper subalpine.0.0.0.0.0.01.61.11.91.31.10.5
lower subalpine.0.0.0.06.22.719.33.59.32.910.51.6
upper montane14.65.55.95.745.05.639.24.428.74.633.22.5
lower montane61.07.629.411.132.55.220.73.617.43.827.62.3
colline/submontane24.46.764.711.616.34.119.13.542.85.027.62.3
total100.0.100.0.100.0.100.0.100.0.100.0.
small gapupper subalpine.0.0.0.00.90.99.42.19.12.66.11.1
lower subalpine7.74.3.0.014.83.430.43.314.23.219.31.8
upper montane23.16.83.73.646.34.833.03.425.94.031.82.1
lower montane41.07.944.59.629.64.418.92.820.03.724.92.0
colline/submontane28.27.251.89.68.32.78.42.030.84.218.01.7
total100.0.100.0.100.0.100.0.100.0.100.0.
medium gapupper subalpine.0.0.0.01.61.618.83.317.85.713.22.1
lower subalpine7.77.4.0.025.45.540.64.228.96.832.72.9
upper montane7.77.4.0.042.96.229.03.931.16.931.32.9
lower montane38.513.5.0.020.65.18.02.34.43.112.02.0
colline/submontane46.213.8100.0.9.53.73.61.617.85.710.81.9
total100.0.100.0.100.0.100.0.100.0.100.0.
large gapupper subalpine.0.0.0.0.0.012.42.313.44.29.71.6
lower subalpine.0.0.0.039.16.149.03.528.45.540.82.6
upper montane33.313.6.0.035.96.026.23.137.25.930.12.5
lower montane33.313.675.021.715.64.59.42.111.94.012.71.8
colline/submontane33.313.625.021.79.43.63.01.29.03.56.71.3
total100.0.100.0.100.0.100.0.100.0.100.0.
very large gapupper subalpine.0.0.0.0.0.012.18.051.035.314.77.8
lower subalpine.0.0.0.050.035.446.912.1.0.042.610.8
upper montane.0.0.0.050.035.435.211.649.035.338.010.6
lower montane.0.0.0.0.0.05.95.7.0.04.74.6
colline/submontane.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0.0.0100.0.100.0.100.0.100.0.
totalupper subalpine.0.0.0.00.60.410.81.29.31.67.10.7
lower subalpine3.81.9.0.019.92.236.41.917.52.124.91.1
upper montane19.03.83.92.743.22.831.41.829.82.531.81.2
lower montane47.64.939.36.825.62.513.81.315.42.020.11.0
colline/submontane29.54.556.86.910.71.77.61.028.02.516.20.9
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #169213/155596
NFI4b
number of forest plots
area of largest gap (aerial photo, 5 classes) · altitudinal vegetation zone
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
area of largest gap (aerial photo, 5 classes)altitudinal vegetation zone %± %± %± %± %± %± %±
no gapupper subalpine.0.0.0.0.0.05.43.7.0.01.91.31.10.5
lower subalpine.0.013.64.28.63.318.46.323.37.79.32.910.51.6
upper montane12.14.337.96.043.75.939.47.946.89.128.74.633.22.5
lower montane51.76.631.85.729.55.413.15.516.66.817.43.827.52.3
colline/submontane36.26.316.74.618.24.623.66.913.36.242.85.027.72.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
small gapupper subalpine.0.01.01.0.0.012.74.016.14.99.12.66.11.1
lower subalpine4.62.622.14.116.64.633.85.628.66.014.23.219.41.8
upper montane15.14.444.24.944.26.126.85.332.16.225.94.031.82.1
lower montane42.46.126.04.329.15.515.54.317.95.120.03.724.82.0
colline/submontane37.96.06.72.510.13.611.33.85.43.030.84.218.01.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
medium gapupper subalpine.0.03.12.2.0.024.56.124.15.817.85.713.32.1
lower subalpine6.36.135.96.026.57.646.97.131.56.328.96.832.82.9
upper montane6.36.145.36.223.57.322.46.035.26.531.16.931.42.9
lower montane31.311.610.93.938.28.32.02.05.63.14.43.111.82.0
colline/submontane56.312.44.72.611.85.54.12.83.72.617.85.710.71.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
large gapupper subalpine.0.01.31.3.0.014.34.218.24.413.44.29.71.6
lower subalpine.0.046.75.830.27.055.85.948.05.728.45.541.02.6
upper montane25.010.838.75.633.87.118.54.624.74.937.25.930.12.5
lower montane43.812.46.72.929.26.88.63.36.52.811.94.012.61.8
colline/submontane31.311.66.72.96.73.82.92.02.61.89.03.56.61.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
very large gapupper subalpine.0.0.0.0.0.040.722.1.0.051.035.314.67.8
lower subalpine.0.050.025.025.021.739.521.866.719.3.0.042.710.8
upper montane.0.050.025.050.025.019.817.733.319.349.035.338.010.6
lower montane.0.0.0.025.021.7.0.0.0.0.0.04.74.6
colline/submontane.0.0.0.0.0.0.0.0.0.0.0.0.0.0
total.0.0100.0.100.0.100.0.100.0.100.0.100.0.
totalupper subalpine.0.01.30.6.0.015.12.316.12.59.31.67.10.7
lower subalpine2.61.329.42.618.42.640.83.236.33.217.52.125.01.1
upper montane14.12.841.92.838.93.325.32.932.33.129.82.531.81.2
lower montane44.94.019.22.230.63.19.92.010.32.015.42.020.01.0
colline/submontane38.53.98.31.612.12.29.01.94.91.528.02.516.10.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #169214/155597

NFI3

forest area: slope (20% classes) · altitude (400 m classes) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
slope (20% classes)altitude (400 m classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
to 20%above 1800 m............
1401-1800 m............
1001-1400 m............
601-1000 m............
to 600 m............
total............
21-40 %above 1800 m....0.42009.9741.928212.2165
1401-1800 m0.2100..1.411125.9456.79434.239
1001-1400 m2.9254..7.79224.11474.113938.896
601-1000 m1.11450.21002.5762.8173..6.692
to 600 m............
total4.22410.210012.07362.712912.716691.874
over 100%above 1800 m........0.7500.750
1401-1800 m....0.5580.7500.5581.832
1001-1400 m0.2100..0.9451.7320.4713.224
601-1000 m0.2100....0.371..0.558
to 600 m............
total0.471..1.4352.8251.6336.217
totalabove 1800 m....0.4719.9132.72612.912
1401-1800 m0.2100..2.03026.687.31536.07
1001-1400 m3.124..8.61425.984.42042.06
601-1000 m1.3380.21002.5273.123..7.116
to 600 m............
total4.6200.210013.41165.4514.31198.04

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169215/155598
NFI4b
number of forest plots
area of largest gap (aerial photo, 5 classes) · altitudinal vegetation zone
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
restriction: protection forest perimeter SilvaProtect = inside perimeter
grid: grid NFI4 2009-2013
state 2009/13
area of largest gap (aerial photo, 5 classes)
no gapsmall gapmedium gaplarge gapvery large gaptotal
economic regionaltitudinal vegetation zone %± %± %± %± %± %±
Western Juraupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine.0.08.74.810.09.5.0.0.0.04.42.2
upper montane17.76.625.77.410.09.533.313.6.0.022.04.3
lower montane61.78.342.88.450.015.833.313.6.0.049.45.2
colline/submontane20.66.922.87.130.014.533.313.6.0.024.24.5
total100.0.100.0.100.0.100.0..0.0100.0.
Eastern Juraupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine.0.0.0.0.0.0.0.0.0.0.0.0
upper montane.0.0.0.0.0.0.0.0.0.0.0.0
lower montane57.118.825.021.7.0.0.0.0.0.035.712.8
colline/submontane42.918.875.021.7100.0..0.0.0.064.312.8
total100.0.100.0.100.0..0.0.0.0100.0.
Western Plateauupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine.0.0.0.0.0.0.0.0.0.0.0.0
upper montane.0.012.711.9.0.0.0.0.0.08.48.1
lower montane66.727.349.117.7.0.0100.0..0.057.814.3
colline/submontane33.327.338.217.3.0.0.0.0.0.033.713.7
total100.0.100.0..0.0100.0..0.0100.0.
Central Plateauupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine.0.0.0.0.0.0.0.0.0.0.0.0
upper montane.0.0.0.0.0.0.0.0.0.0.0.0
lower montane28.617.150.014.5.0.0100.0..0.045.510.6
colline/submontane71.417.150.014.5100.0..0.0.0.054.510.6
total100.0.100.0.100.0.100.0..0.0100.0.
Eastern Plateauupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine.0.0.0.0.0.0.0.0.0.0.0.0
upper montane14.313.2.0.0.0.0.0.0.0.05.95.7
lower montane14.313.228.617.1.0.0.0.0.0.017.69.3
colline/submontane71.417.171.417.1100.0.100.0..0.076.510.3
total100.0.100.0.100.0.100.0..0.0100.0.
Western Pre-Alpsupper subalpine.0.05.35.1.0.0.0.0.0.01.41.4
lower subalpine14.09.231.610.733.39.633.512.2.0.029.25.4
upper montane50.213.447.411.550.010.253.412.9.0.050.05.9
lower montane21.511.010.57.14.24.16.76.5.0.09.73.5
colline/submontane14.39.45.35.112.56.86.46.2.0.09.73.5
total100.0.100.0.100.0.100.0..0.0100.0.
Central Pre-Alpsupper subalpine.0.0.0.04.54.4.0.0.0.00.80.8
lower subalpine4.03.911.54.422.78.945.18.9100.0.20.63.5
upper montane40.09.842.36.850.010.738.78.8.0.042.04.3
lower montane40.09.838.56.722.78.96.44.4.0.028.23.9
colline/submontane16.07.37.73.7.0.09.75.3.0.08.42.4
total100.0.100.0.100.0.100.0.100.0.100.0.
Eastern Pre-Alpsupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine4.93.410.85.117.69.333.311.1.0.013.23.2
upper montane46.37.851.38.223.510.316.78.8100.0.40.34.6
lower montane31.77.327.07.341.212.038.911.5.0.032.54.4
colline/submontane17.15.910.85.117.69.311.17.4.0.014.03.3
total100.0.100.0.100.0.100.0.100.0.100.0.
Northwestern Alpsupper subalpine.0.0.0.05.65.43.43.4.0.01.81.3
lower subalpine22.28.033.38.255.611.755.19.233.327.340.04.7
upper montane29.78.845.58.733.311.131.18.666.727.336.44.6
lower montane29.68.815.26.35.65.46.94.7.0.014.53.4
colline/submontane18.57.56.14.2.0.03.43.4.0.07.32.5
total100.0.100.0.100.0.100.0.100.0.100.0.
Central Alpsupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine13.38.833.315.840.015.622.013.8.0.024.96.5
upper montane40.312.744.416.630.014.645.016.7100.0.41.17.5
lower montane19.910.311.110.520.012.722.013.8.0.018.15.8
colline/submontane26.511.411.110.510.09.511.010.4.0.015.85.5
total100.0.100.0.100.0.100.0.100.0.100.0.
Northeastern Alpsupper subalpine.0.0.0.0.0.0.0.0.0.0.0.0
lower subalpine13.58.818.28.328.617.129.411.150.035.522.35.3
upper montane39.912.731.810.014.313.347.112.1.0.034.96.0
lower montane33.312.240.910.557.118.823.510.350.035.536.56.1
colline/submontane13.38.89.16.1.0.0.0.0.0.06.33.1
total100.0.100.0.100.0.100.0.100.0.100.0.
Southwestern Alpsupper subalpine5.43.712.74.024.56.114.34.240.722.115.12.3
lower subalpine18.46.333.85.646.97.155.85.939.521.840.83.2
upper montane39.47.926.85.322.46.018.54.619.817.725.32.9
lower montane13.15.515.54.32.02.08.63.3.0.09.92.0
colline/submontane23.66.911.33.84.12.82.92.0.0.09.01.9
total100.0.100.0.100.0.100.0.100.0.100.0.
Southeastern Alpsupper subalpine.0.016.14.924.15.818.24.4.0.016.12.5
lower subalpine23.37.728.66.031.56.348.05.766.719.336.33.2
upper montane46.89.132.16.235.26.524.74.933.319.332.33.1
lower montane16.66.817.95.15.63.16.52.8.0.010.32.0
colline/submontane13.36.25.43.03.72.62.61.8.0.04.91.5
total100.0.100.0.100.0.100.0.100.0.100.0.
Southern Alpsupper subalpine1.91.39.12.617.85.713.44.251.035.39.31.6
lower subalpine9.32.914.23.228.96.828.45.5.0.017.52.1
upper montane28.74.625.94.031.16.937.25.949.035.329.82.5
lower montane17.43.820.03.74.43.111.94.0.0.015.42.0
colline/submontane42.85.030.84.217.85.79.03.5.0.028.02.5
total100.0.100.0.100.0.100.0.100.0.100.0.
Switzerlandupper subalpine1.10.56.11.113.22.19.71.614.57.77.10.7
lower subalpine10.51.619.31.832.72.940.92.642.710.824.91.1
upper montane33.32.531.92.131.42.930.22.538.010.631.81.2
lower montane27.62.424.82.011.92.012.61.84.84.720.01.0
colline/submontane27.62.318.01.710.81.96.61.3.0.016.10.9
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #169216/155599

NFI3

forest area: slope (20% classes) · altitude (400 m classes) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
slope (20% classes)altitude (400 m classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
to 20%above 1800 m..............
1401-1800 m..............
1001-1400 m..............
601-1000 m..............
to 600 m..............
total..............
21-40 %above 1800 m..0.53000.32005.01054.41211.928212.2165
1401-1800 m0.21005.21152.37810.6699.3806.79434.239
1001-1400 m2.925413.21656.91506.6895.3984.113939.096
601-1000 m1.31411.81713.31300.2100....6.592
to 600 m..............
total4.324020.815112.88522.34718.95212.716691.974
over 100%above 1800 m..........0.7500.750
1401-1800 m..0.558..0.5580.21000.5581.832
1001-1400 m0.21000.5581.2380.5580.4710.4713.224
601-1000 m0.2100..0.371......0.558
to 600 m..............
total0.4711.1411.6331.0410.5581.6336.217
totalabove 1800 m..0.5580.3715.0184.4202.72612.911
1401-1800 m0.21005.8172.32811.1129.5137.31536.07
1001-1400 m3.12413.7118.1147.2155.6174.42042.16
601-1000 m1.4351.8323.6220.2100....7.016
to 600 m..............
total4.72021.9914.41023.4819.4914.31198.04

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169218/155601

NFI3

forest area: slope (20% classes) · altitude (400 m classes) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
slope (20% classes)
to 20%21-40 %over 100%total
economic regionaltitude (400 m classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraabove 1800 m........
1401-1800 m..0.2100..0.2100
1001-1400 m..2.92540.21003.024
601-1000 m..1.11450.21001.338
to 600 m........
total..4.12410.4714.520
Eastern Juraabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
Western Plateauabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
Central Plateauabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m..0.2100..0.2100
to 600 m........
total..0.2100..0.2100
Eastern Plateauabove 1800 m........
1401-1800 m........
1001-1400 m........
601-1000 m........
to 600 m........
total........
Western Pre-Alpsabove 1800 m..0.2100..0.2100
1401-1800 m..0.9128..0.944
1001-1400 m..2.91460.4713.323
601-1000 m..0.471..0.471
to 600 m........
total..4.41120.4714.819
Central Pre-Alpsabove 1800 m..0.2100..0.2100
1401-1800 m..0.5580.5581.141
1001-1400 m..3.61750.21003.821
601-1000 m..0.9128..0.945
to 600 m........
total..5.21280.7505.917
Eastern Pre-Alpsabove 1800 m........
1401-1800 m........
1001-1400 m..1.21150.4711.633
601-1000 m..1.2115..1.238
to 600 m........
total..2.51730.4712.825
Northwestern Alpsabove 1800 m..0.2100..0.2100
1401-1800 m..3.8125..3.821
1001-1400 m..6.7187..6.716
601-1000 m..0.5171..0.558
to 600 m........
total..11.2167..11.212
Central Alpsabove 1800 m..0.4200..0.471
1401-1800 m..1.1120..1.140
1001-1400 m..3.2700.6583.821
601-1000 m..0.42000.21000.657
to 600 m........
total..5.1540.7505.817
Northeastern Alpsabove 1800 m........
1401-1800 m..1.2107..1.237
1001-1400 m..2.71980.3713.023
601-1000 m..1.71940.21001.930
to 600 m........
total..5.61220.5576.116
Southwestern Alpsabove 1800 m..5.0105..5.018
1401-1800 m..10.6690.55811.112
1001-1400 m..6.6890.5587.215
601-1000 m..0.2100..0.2100
to 600 m........
total..22.3471.04123.48
Southeastern Alpsabove 1800 m..4.4121..4.420
1401-1800 m..9.3800.21009.513
1001-1400 m..5.3980.4715.617
601-1000 m........
to 600 m........
total..18.9520.55819.49
Southern Alpsabove 1800 m..1.92820.7502.726
1401-1800 m..6.7940.5587.315
1001-1400 m..4.11390.4714.420
601-1000 m........
to 600 m........
total..12.71661.63314.311
Switzerlandabove 1800 m..12.21650.75012.911
1401-1800 m..34.3391.83236.17
1001-1400 m..39.2963.22442.46
601-1000 m..6.5920.5587.116
to 600 m........
total..92.2746.21798.44

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169220/155603

NFI3

forest area: degree of mixture · crown closure · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
degree of mixturecrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a....1.8320.7500.7500.21003.423
crowded..............
normal..............
loose..............
open..............
scattered..............
grouped crowded..............
grouped normal..............
heterogeneous..............
total....1.8320.7500.7500.21003.423
pure conifer forestn/a..............
crowded0.471..5.0192.2281.2381.23810.013
normal0.2100..3.6223.1232.6261.14110.513
loose....1.1412.6262.8251.1417.515
open....3.0243.4222.8252.32811.512
scattered0.2100..1.1411.0411.1410.9454.220
grouped crowded....1.4352.4260.9451.2385.917
grouped normal....1.4352.4261.2381.9307.016
heterogeneous....1.8321.2381.9301.6336.516
total0.750..18.41018.2914.61011.31263.25
mixed conifer forestn/a..............
crowded1.141..1.8320.3710.21000.4713.722
normal1.141..2.3280.371..0.21003.921
loose....0.471......0.471
open0.2100..1.8320.2100....2.129
scattered......0.2100..0.21000.371
grouped crowded....0.21000.21000.471..0.750
grouped normal....0.750....0.21000.945
heterogeneous....1.4350.2100..0.5582.129
total2.428..8.6141.4350.5581.43514.211
mixed broadleaf forestn/a..............
crowded0.2100..2.030......2.129
normal0.471..1.238....0.21001.832
loose0.2100..0.558....0.21000.945
open0.2100..1.633......1.832
scattered....0.750..0.2100..0.945
grouped crowded..........0.21000.2100
grouped normal....0.2100......0.2100
heterogeneous..............
total0.945..6.217..0.21000.5587.915
pure broadleaf forestn/a..............
crowded0.2100..2.3280.5580.4711.1414.420
normal0.2100..1.1410.3710.2100..1.832
loose0.2100..0.4710.2100..0.4711.141
open....0.7500.2100..0.21001.141
scattered0.2100..0.21000.2100....0.558
grouped crowded....0.2100....0.21000.471
grouped normal....0.471....0.21000.558
heterogeneous..............
total0.750..5.2181.4350.5581.9309.713
totaln/a....1.8320.7500.7500.21003.423
crowded1.831..11.1133.1231.8312.62620.39
normal1.831..8.2153.7212.8251.43518.010
loose0.471..2.3282.7252.8251.6339.813
open0.471..7.1163.7212.8252.52716.510
scattered0.471..2.0301.4351.2381.1416.017
grouped crowded....1.8322.6261.2381.6337.216
grouped normal....2.7262.4261.2382.3288.614
heterogeneous....3.2231.4351.9302.1298.614
total4.719..40.1621.6816.51015.41098.34

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169222/155605

NFI3

forest area: degree of mixture · crown closure · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
degree of mixture
n/apure conifer forestmixed conifer forestmixed broadleaf forestpure broadleaf foresttotal
cantoncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
AIn/a............
crowded............
normal....0.2100....0.2100
loose............
open..0.556......0.556
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.5560.2100....0.648
ARn/a............
crowded..0.2100......0.2100
normal............
loose....0.2100....0.2100
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.21000.2100....0.370
BEn/a1.141........1.141
crowded..1.1411.4350.4710.21003.024
normal..2.0301.1410.471..3.423
loose..0.558..0.2100..0.750
open..0.471..0.5580.21001.141
scattered..0.750..0.2100..0.945
grouped crowded..0.9450.2100..0.21001.238
grouped normal..0.5580.21000.21000.4711.238
heterogeneous..0.7500.945....1.633
total1.1416.8163.7221.8310.94514.211
BL/BSn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
FRn/a0.2100........0.2100
crowded..0.2100......0.2100
normal....0.21000.2100..0.471
loose............
open..0.2100......0.2100
scattered............
grouped crowded............
grouped normal..0.2100......0.2100
heterogeneous....0.2100....0.2100
total0.21000.5580.4710.2100..1.337
GEn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
GLn/a0.2100........0.2100
crowded..0.5570.370..0.5571.434
normal..0.21000.2100..0.21000.557
loose..0.2100......0.2100
open....0.3700.3700.21000.944
scattered..0.2100......0.2100
grouped crowded..0.2100......0.2100
grouped normal............
heterogeneous..0.558......0.558
total0.21001.7310.9440.3700.9444.019
GRn/a0.750........0.750
crowded..1.4350.3710.21000.9452.825
normal..3.522..0.21000.3714.021
loose..3.123..0.2100..3.323
open..4.4200.371..0.3715.118
scattered..1.041..0.2100..1.238
grouped crowded..1.1410.371....1.435
grouped normal..1.7310.371....2.129
heterogeneous..2.6260.2100....2.825
total0.75018.991.6330.7501.63323.58
JUn/a............
crowded............
normal....0.4710.2100..0.557
loose........0.21000.2100
open....0.2100....0.2100
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total....0.5570.21000.21000.944
LUn/a............
crowded..0.3710.2100....0.558
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.3710.2100....0.558
NEn/a............
crowded............
normal..0.21000.470..0.21000.750
loose............
open......0.2100..0.2100
scattered........0.21000.2100
grouped crowded............
grouped normal............
heterogeneous............
total..0.21000.4700.21000.4701.140
NWn/a............
crowded......0.4700.4700.848
normal..0.21000.2100..0.21000.656
loose............
open............
scattered............
grouped crowded..0.2100......0.2100
grouped normal............
heterogeneous............
total..0.4700.21000.4700.6561.632
OWn/a............
crowded..0.2100..0.21000.21000.557
normal....0.470....0.470
loose............
open....0.2100....0.2100
scattered............
grouped crowded..0.2100......0.2100
grouped normal..0.470......0.470
heterogeneous............
total..0.7490.5570.21000.21001.632
SGn/a............
crowded..0.5580.4710.21000.7501.831
normal..0.21000.21000.21000.21000.750
loose......0.2100..0.2100
open..0.558..0.2100..0.750
scattered......0.21000.21000.471
grouped crowded............
grouped normal............
heterogeneous............
total..1.2370.5580.9441.1413.721
SHn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
SOn/a............
crowded....0.2100....0.2100
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total....0.2100....0.2100
SZn/a............
crowded......0.2100..0.2100
normal....0.2100..0.21000.470
loose....0.21000.21000.21000.557
open..0.470......0.470
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total..0.4700.4700.4710.4701.535
TGn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
TIn/a0.2100........0.2100
crowded..1.1410.2100..0.9452.129
normal..0.21000.21000.2100..0.558
loose..0.750....0.4711.141
open..1.141....0.21001.238
scattered..0.9450.2100....1.141
grouped crowded..1.141..0.21000.21001.435
grouped normal..1.435....0.21001.633
heterogeneous..0.7500.471....1.141
total0.21007.1150.9450.4711.83110.313
URn/a0.470........0.470
crowded..1.140..0.2100..1.337
normal..0.657......0.657
loose..0.470....0.21000.657
open..0.21000.470....0.657
scattered......0.470..0.470
grouped crowded............
grouped normal..0.21000.2100....0.470
heterogeneous..0.2100......0.2100
total0.4702.6250.6570.6570.21004.319
VDn/a............
crowded..0.7500.21000.471..1.338
normal..0.4710.21000.4710.21001.141
loose......0.2100..0.2100
open..0.5580.4710.558..1.535
scattered..0.471......0.471
grouped crowded............
grouped normal..0.21000.2100....0.471
heterogeneous..0.558......0.558
total..2.7260.9451.5350.21005.318
VSn/a0.750........0.750
crowded..2.7250.5580.21000.7504.120
normal..3.2230.3710.21000.3714.120
loose..2.626....0.21002.725
open..3.4220.2100..0.21003.721
scattered..1.0410.2100..0.21001.435
grouped crowded..2.4270.2100....2.626
grouped normal..2.427......2.427
heterogeneous..1.2380.558....1.731
total0.75018.991.9300.3711.53323.48
ZGn/a............
crowded............
normal............
loose............
open....0.2100....0.2100
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total....0.2100....0.2100
ZHn/a............
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total............
Switzerlandn/a3.423........3.423
crowded..10.0133.7222.2294.42020.39
normal..10.5133.9211.8321.83218.010
loose..7.5150.3710.9451.1419.813
open..11.5122.1291.8321.04116.410
scattered..4.2200.3710.9450.5586.017
grouped crowded..5.9170.7500.21000.4717.216
grouped normal..7.0160.9450.21000.5588.614
heterogeneous..6.5162.129....8.614
total3.42363.2514.1117.9159.71398.24

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #169225/155608

NFI3

forest area: degree of mixture · crown closure · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
restriction: avalanches SilvaProtect, modelled and assigned = inside perimeter
grid: terrestrial grid NFI3
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
degree of mixturecrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a....0.7502.4270.21003.323
crowded............
normal............
loose............
open............
scattered............
grouped crowded............
grouped normal............
heterogeneous............
total....0.7502.4270.21003.323
pure conifer forestn/a............
crowded0.471..1.6336.9161.14110.013
normal0.2100..0.9458.3141.14110.513
loose....0.21006.2171.1417.515
open....1.4358.0152.12911.512
scattered0.2100....3.1230.9454.220
grouped crowded....0.7504.0211.2386.017
grouped normal....0.9454.5201.6337.016
heterogeneous....0.5584.3201.6336.516
total0.750..6.31745.5610.61363.15
mixed conifer forestn/a............
crowded1.141..0.4711.9300.4713.722
normal0.9450.21001.3381.4350.21003.921
loose....0.21000.2100..0.471
open0.2100..0.5581.435..2.129
scattered......0.21000.21000.371
grouped crowded......0.750..0.750
grouped normal......0.945..0.945
heterogeneous....0.7500.9450.5582.129
total2.2290.21003.0247.5151.23814.111
mixed broadleaf forestn/a............
crowded0.2100..0.9451.141..2.129
normal0.471..0.4710.9450.21001.832
loose0.2100..0.4710.21000.21000.945
open0.2100..0.5581.041..1.832
scattered....0.21000.750..0.945
grouped crowded........0.21000.2100
grouped normal......0.2100..0.2100
heterogeneous............
total0.945..2.3284.0210.5587.815
pure broadleaf forestn/a............
crowded0.2100..0.5582.8250.9454.420
normal0.2100..0.5581.041..1.832
loose0.2100....0.5580.4711.141
open......0.9450.21001.041
scattered0.2100....0.371..0.558
grouped crowded......0.21000.21000.371
grouped normal......0.4710.21000.558
heterogeneous............
total0.750..1.1416.1171.8319.713
totaln/a....0.7502.4270.21003.323
crowded1.831..3.42312.7122.32820.29
normal1.6330.21003.02411.6121.43517.910
loose0.471..0.7507.1151.6339.813
open0.471..2.52711.3122.32816.510
scattered0.471..0.21004.3201.1415.917
grouped crowded....0.7504.9191.6337.216
grouped normal....0.9455.9171.8318.614
heterogeneous....1.3385.2182.1298.614
total4.6200.210013.41165.4514.31198.04

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #169227/155610
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