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NFI1

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of mixture %± %± %±
Western Juran/a..3.60.53.50.5
pure conifer forest15.35.830.41.230.01.2
mixed conifer forest35.97.730.51.230.61.2
mixed broadleaf forest38.57.816.91.017.51.0
pure broadleaf forest10.34.918.61.018.41.0
total100.0.100.0.100.0.
Eastern Juran/a..4.81.04.81.0
pure conifer forest..18.41.818.41.8
mixed conifer forest..14.41.714.41.7
mixed broadleaf forest..16.41.716.41.7
pure broadleaf forest..46.02.346.02.3
total..100.0.100.0.
Western Plateaun/a..4.81.04.81.0
pure conifer forest..34.42.234.42.2
mixed conifer forest..16.61.716.61.7
mixed broadleaf forest..14.21.614.21.6
pure broadleaf forest..30.02.130.02.1
total..100.0.100.0.
Central Plateaun/a..3.70.73.70.7
pure conifer forest..44.01.943.91.9
mixed conifer forest48.735.322.61.622.71.6
mixed broadleaf forest51.335.312.21.212.31.2
pure broadleaf forest..17.41.417.41.4
total100.0.100.0.100.0.
Eastern Plateaun/a..3.30.53.30.5
pure conifer forest..35.71.435.71.4
mixed conifer forest..26.11.326.11.3
mixed broadleaf forest..13.71.013.71.0
pure broadleaf forest..21.21.221.21.2
total..100.0.100.0.
Western Pre-Alpsn/a8.74.27.91.48.01.3
pure conifer forest54.37.461.72.560.92.4
mixed conifer forest23.96.315.61.916.51.8
mixed broadleaf forest6.53.69.01.58.71.4
pure broadleaf forest6.53.65.81.25.91.1
total100.0.100.0.100.0.
Central Pre-Alpsn/a..5.60.75.30.7
pure conifer forest63.56.760.31.660.51.6
mixed conifer forest21.25.719.31.319.41.3
mixed broadleaf forest5.83.27.80.97.70.8
pure broadleaf forest9.64.17.00.87.20.8
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a..8.01.07.71.0
pure conifer forest32.09.345.91.945.41.9
mixed conifer forest36.09.626.11.726.41.7
mixed broadleaf forest16.07.39.81.110.01.1
pure broadleaf forest16.07.310.21.210.41.2
total100.0.100.0.100.0.
Northwestern Alpsn/a5.52.26.41.26.31.1
pure conifer forest68.84.459.32.461.32.1
mixed conifer forest9.22.813.91.712.91.5
mixed broadleaf forest11.03.09.61.49.91.3
pure broadleaf forest5.52.210.81.59.71.3
total100.0.100.0.100.0.
Central Alpsn/a3.62.59.92.38.41.8
pure conifer forest64.36.450.63.854.03.3
mixed conifer forest25.05.811.22.414.62.3
mixed broadleaf forest3.62.514.72.712.02.2
pure broadleaf forest3.62.513.52.611.12.1
total100.0.100.0.100.0.
Northeastern Alpsn/a11.94.28.91.99.51.7
pure conifer forest40.76.444.93.344.02.9
mixed conifer forest20.35.213.82.315.12.1
mixed broadleaf forest11.94.212.02.212.01.9
pure broadleaf forest15.34.720.42.719.42.3
total100.0.100.0.100.0.
Southwestern Alpsn/a4.41.37.40.96.70.8
pure conifer forest82.52.469.81.772.91.4
mixed conifer forest7.21.67.50.97.40.8
mixed broadleaf forest3.21.14.00.73.80.6
pure broadleaf forest2.81.011.31.19.20.9
total100.0.100.0.100.0.
Southeastern Alpsn/a3.31.34.00.63.90.5
pure conifer forest87.52.483.01.183.71.0
mixed conifer forest4.31.56.10.75.90.7
mixed broadleaf forest0.50.52.40.52.10.4
pure broadleaf forest4.31.54.50.64.40.6
total100.0.100.0.100.0.
Southern Alpsn/a1.41.03.30.53.00.5
pure conifer forest72.43.729.31.334.01.3
mixed conifer forest11.72.76.00.76.70.7
mixed broadleaf forest2.81.45.60.75.30.6
pure broadleaf forest11.72.755.91.551.01.4
total100.0.100.0.100.0.
Switzerlandn/a3.90.65.00.24.90.2
pure conifer forest70.11.547.10.549.10.5
mixed conifer forest13.01.117.50.417.10.4
mixed broadleaf forest6.20.810.10.39.80.3
pure broadleaf forest6.70.820.40.419.20.4
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155835/142214

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of mixture1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..5.3145.314
pure conifer forest0.64144.5445.14
mixed conifer forest1.42744.6446.04
mixed broadleaf forest1.52624.7626.26
pure broadleaf forest0.45027.2627.66
total3.916146.31150.31
Eastern Juran/a..2.3212.321
pure conifer forest..8.6108.610
mixed conifer forest..6.7126.712
mixed broadleaf forest..7.6117.611
pure broadleaf forest..21.5621.56
total..46.7246.72
Western Plateaun/a..2.4212.421
pure conifer forest..16.9716.97
mixed conifer forest..8.1118.111
mixed broadleaf forest..7.0127.012
pure broadleaf forest..14.7714.77
total..49.1249.12
Central Plateaun/a..2.5192.519
pure conifer forest..29.9529.95
mixed conifer forest0.110015.4715.57
mixed broadleaf forest0.11008.3108.410
pure broadleaf forest..11.8811.88
total0.27167.9268.12
Eastern Plateaun/a..3.6163.616
pure conifer forest..39.1439.14
mixed conifer forest..28.6528.65
mixed broadleaf forest..15.0815.08
pure broadleaf forest..23.2623.26
total..109.41109.41
Western Pre-Alpsn/a0.4503.0183.417
pure conifer forest2.52023.1525.65
mixed conifer forest1.1305.8126.911
mixed broadleaf forest0.3583.4173.716
pure broadleaf forest0.3582.2212.520
total4.61437.5342.03
Central Pre-Alpsn/a..5.2145.214
pure conifer forest3.31756.2359.53
mixed conifer forest1.13018.0719.17
mixed broadleaf forest0.3587.3117.611
pure broadleaf forest0.5456.6127.112
total5.21493.3298.42
Eastern Pre-Alpsn/a..5.4135.413
pure conifer forest0.83531.1532.05
mixed conifer forest0.93317.7718.67
mixed broadleaf forest0.4506.6127.011
pure broadleaf forest0.4506.9127.311
total2.52067.8270.32
Northwestern Alpsn/a0.6412.7193.417
pure conifer forest7.71125.3532.94
mixed conifer forest1.0315.9136.912
mixed broadleaf forest1.2294.1155.313
pure broadleaf forest0.6414.6155.214
total11.1942.6453.73
Central Alpsn/a0.2711.7241.923
pure conifer forest3.7168.81012.58
mixed conifer forest1.4262.0223.417
mixed broadleaf forest0.2712.6192.819
pure broadleaf forest0.2712.4202.619
total5.81217.4623.25
Northeastern Alpsn/a0.7382.0222.719
pure conifer forest2.42010.0912.48
mixed conifer forest1.2283.1174.315
mixed broadleaf forest0.7382.7193.416
pure broadleaf forest0.9334.6145.413
total5.81222.3528.24
Southwestern Alpsn/a1.1305.6136.712
pure conifer forest20.2652.5472.73
mixed conifer forest1.8235.7137.411
mixed broadleaf forest0.8353.0183.816
pure broadleaf forest0.7388.5109.210
total24.5675.3399.72
Southeastern Alpsn/a0.6414.4155.014
pure conifer forest16.1890.92107.02
mixed conifer forest0.8356.7127.511
mixed broadleaf forest0.11002.6202.719
pure broadleaf forest0.8354.9145.713
total18.47109.52127.92
Southern Alpsn/a0.2713.8164.016
pure conifer forest10.41033.9544.34
mixed conifer forest1.7247.0128.710
mixed broadleaf forest0.4506.4126.812
pure broadleaf forest1.72464.7366.33
total14.38115.72130.12
Switzerlandn/a3.81649.8453.64
pure conifer forest67.54470.91538.41
mixed conifer forest12.59175.12187.62
mixed broadleaf forest6.013101.23107.23
pure broadleaf forest6.512203.72210.12
total96.331000.711097.01

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155836/142215

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha7.54.2..20.12.022.62.824.53.440.94.024.11.4
101-200 stems/ha30.07.2..21.62.127.42.927.03.533.13.826.01.4
201-300 stems/ha25.06.8..23.42.226.92.922.63.313.62.822.61.3
301-400 stems/ha25.06.8..17.21.912.62.212.62.65.81.913.91.1
401-500 stems/ha7.54.2100.0.9.41.55.61.55.01.73.21.46.80.8
501- 600 stems/ha5.03.4..5.21.13.91.36.92.02.61.34.80.7
more than 600 stems/ha....3.10.90.90.61.30.90.60.61.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha23.41.024.50.925.90.842.61.934.61.654.11.430.30.5
101-200 stems/ha27.11.022.70.823.80.825.01.726.21.522.91.224.30.4
201-300 stems/ha25.11.023.30.820.70.817.31.517.31.313.31.020.80.4
301-400 stems/ha15.40.815.90.714.40.77.21.011.91.16.20.713.30.3
401-500 stems/ha5.60.58.30.58.00.54.10.85.80.82.10.46.50.2
501- 600 stems/ha2.30.33.20.44.00.42.70.62.90.60.80.32.90.2
more than 600 stems/ha1.10.22.10.33.10.31.20.41.40.40.70.21.90.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha23.11.024.50.925.20.837.51.633.11.452.61.429.80.4
101-200 stems/ha27.11.022.70.823.60.725.61.426.31.424.01.224.50.4
201-300 stems/ha25.11.023.30.821.10.719.71.318.11.213.40.920.90.4
301-400 stems/ha15.60.815.80.714.80.68.60.912.01.06.20.713.30.3
401-500 stems/ha5.70.58.40.58.10.54.50.75.70.72.20.46.50.2
501- 600 stems/ha2.30.33.20.44.10.43.00.63.50.61.00.33.10.2
more than 600 stems/ha1.10.22.10.33.10.31.10.31.40.40.70.21.90.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155837/142216

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha0.358..7.7115.1143.9166.21223.26
101-200 stems/ha1.229..8.3116.1124.3155.11425.06
201-300 stems/ha1.032..9.0106.0123.6162.12221.77
301-400 stems/ha1.032..6.6122.8182.0220.93313.39
401-500 stems/ha0.3580.11003.6171.3280.8350.5456.612
501- 600 stems/ha0.271..2.0220.9331.1300.4504.615
more than 600 stems/ha....1.2290.2710.2710.11001.724
total4.1160.110038.5522.4615.8815.3896.13
outside perimeter0-100 stems/ha43.9461.8474.1328.1531.1564.03303.02
101-200 stems/ha50.7457.4468.1416.5723.5627.06243.32
201-300 stems/ha47.1458.8459.3411.4915.5815.78207.82
301-400 stems/ha28.8640.1541.254.81410.797.311132.93
401-500 stems/ha10.51021.1722.862.7195.2142.52064.84
501- 600 stems/ha4.3158.21111.491.8232.6190.93329.16
more than 600 stems/ha2.1225.3148.9110.8351.3280.83519.27
total187.41252.71285.8166.0389.82118.221000.01
total0-100 stems/ha44.2461.8481.9333.1534.9570.23326.22
101-200 stems/ha51.9457.4476.4322.6627.8532.15268.32
201-300 stems/ha48.1458.8468.3417.4719.1717.87229.62
301-400 stems/ha29.8540.1547.847.61112.798.211146.22
401-500 stems/ha10.9921.2726.464.0156.0133.01871.34
501- 600 stems/ha4.5158.21113.492.6193.7161.32833.75
more than 600 stems/ha2.1225.31410.1101.0321.5260.93320.97
total191.51252.81324.3188.32105.72133.521096.11

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155838/142217

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstem count/ha (DBH >= 24cm, classified) %± %± %±
AG0-100 stems/ha..27.32.027.32.0
101-200 stems/ha..25.62.025.62.0
201-300 stems/ha..25.02.025.02.0
301-400 stems/ha..14.11.614.11.6
401-500 stems/ha..6.41.16.41.1
501- 600 stems/ha..1.20.51.20.5
more than 600 stems/ha..0.40.30.40.3
total..100.0.100.0.
AI0-100 stems/ha..26.66.424.25.9
101-200 stems/ha20.018.012.24.712.94.6
201-300 stems/ha20.018.014.25.014.84.8
301-400 stems/ha20.018.014.45.114.94.9
401-500 stems/ha40.022.018.35.520.35.5
501- 600 stems/ha..8.13.97.43.6
more than 600 stems/ha..6.13.45.53.1
total100.0.100.0.100.0.
AR0-100 stems/ha..17.74.317.34.2
101-200 stems/ha50.035.517.74.318.54.3
201-300 stems/ha..10.13.49.93.3
301-400 stems/ha..19.04.418.54.3
401-500 stems/ha..20.34.519.84.4
501- 600 stems/ha50.035.57.63.08.73.1
more than 600 stems/ha..7.63.07.42.9
total100.0.100.0.100.0.
BE0-100 stems/ha15.03.022.91.122.21.0
101-200 stems/ha24.33.625.41.125.31.1
201-300 stems/ha22.93.524.71.124.51.1
301-400 stems/ha17.93.214.90.915.10.9
401-500 stems/ha12.12.86.60.67.10.6
501- 600 stems/ha4.31.73.40.53.50.5
more than 600 stems/ha3.61.62.10.42.20.4
total100.0.100.0.100.0.
BL/BS0-100 stems/ha..24.63.124.63.1
101-200 stems/ha..29.83.329.83.3
201-300 stems/ha..20.52.920.52.9
301-400 stems/ha..17.02.717.02.7
401-500 stems/ha..5.01.65.01.6
501- 600 stems/ha..2.61.12.61.1
more than 600 stems/ha..0.50.50.50.5
total..100.0.100.0.
FR0-100 stems/ha27.810.625.62.225.72.2
101-200 stems/ha11.17.418.62.018.21.9
201-300 stems/ha33.311.116.51.917.31.9
301-400 stems/ha11.17.414.91.814.81.8
401-500 stems/ha11.17.412.61.712.51.7
501- 600 stems/ha5.65.47.31.37.31.3
more than 600 stems/ha..4.51.14.31.0
total100.0.100.0.100.0.
GE0-100 stems/ha..51.69.851.69.8
101-200 stems/ha..30.18.930.18.9
201-300 stems/ha..11.36.211.36.2
301-400 stems/ha..3.23.13.23.1
401-500 stems/ha..3.83.73.83.7
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
GL0-100 stems/ha28.67.633.24.532.13.9
101-200 stems/ha20.06.819.83.819.93.3
201-300 stems/ha14.35.912.63.213.02.8
301-400 stems/ha14.35.916.23.515.83.0
401-500 stems/ha11.45.412.63.212.42.7
501- 600 stems/ha5.73.94.52.04.81.8
more than 600 stems/ha5.73.90.90.92.11.2
total100.0.100.0.100.0.
GR0-100 stems/ha28.03.036.21.335.01.2
101-200 stems/ha28.43.025.01.225.51.1
201-300 stems/ha20.42.717.41.117.91.0
301-400 stems/ha11.62.111.40.911.50.8
401-500 stems/ha4.91.45.50.65.40.6
501- 600 stems/ha5.81.63.00.53.40.5
more than 600 stems/ha0.90.61.40.31.30.3
total100.0.100.0.100.0.
JU0-100 stems/ha20.017.923.62.323.62.3
101-200 stems/ha60.021.926.12.426.62.4
201-300 stems/ha..23.62.323.32.3
301-400 stems/ha..14.81.914.61.9
401-500 stems/ha20.017.96.71.46.91.4
501- 600 stems/ha..2.10.82.10.8
more than 600 stems/ha..3.00.93.00.9
total100.0.100.0.100.0.
LU0-100 stems/ha..19.51.919.21.9
101-200 stems/ha..24.92.124.62.1
201-300 stems/ha32.819.121.22.021.32.0
301-400 stems/ha34.419.618.61.918.81.9
401-500 stems/ha..8.81.48.71.4
501- 600 stems/ha32.819.14.00.94.41.0
more than 600 stems/ha..3.00.83.00.8
total100.0.100.0.100.0.
NE0-100 stems/ha..17.82.317.32.2
101-200 stems/ha44.416.636.02.936.32.9
201-300 stems/ha22.213.925.82.625.72.6
301-400 stems/ha22.213.910.91.911.31.9
401-500 stems/ha..5.51.45.31.3
501- 600 stems/ha11.110.52.51.02.81.0
more than 600 stems/ha..1.50.71.40.7
total100.0.100.0.100.0.
NW0-100 stems/ha7.77.429.55.925.65.1
101-200 stems/ha15.410.019.65.118.94.6
201-300 stems/ha23.111.718.14.919.04.6
301-400 stems/ha23.111.719.85.120.34.7
401-500 stems/ha15.410.09.73.810.73.6
501- 600 stems/ha15.410.03.32.35.42.6
more than 600 stems/ha......
total100.0.100.0.100.0.
OW0-100 stems/ha23.510.325.33.425.13.2
101-200 stems/ha23.510.319.33.119.72.9
201-300 stems/ha17.69.321.13.220.83.0
301-400 stems/ha11.87.817.52.917.02.8
401-500 stems/ha17.69.310.82.411.52.4
501- 600 stems/ha..3.61.53.31.3
more than 600 stems/ha5.95.72.41.22.71.2
total100.0.100.0.100.0.
SG0-100 stems/ha17.96.120.81.920.61.8
101-200 stems/ha25.67.021.21.921.51.8
201-300 stems/ha25.67.024.22.024.31.9
301-400 stems/ha17.96.115.51.715.71.6
401-500 stems/ha5.13.58.91.38.61.2
501- 600 stems/ha5.13.54.71.04.70.9
more than 600 stems/ha2.62.54.91.04.70.9
total100.0.100.0.100.0.
SH0-100 stems/ha..31.14.231.14.2
101-200 stems/ha..26.14.026.14.0
201-300 stems/ha..22.73.822.73.8
301-400 stems/ha..11.83.011.83.0
401-500 stems/ha..5.92.25.92.2
501- 600 stems/ha..0.80.80.80.8
more than 600 stems/ha..1.71.21.71.2
total..100.0.100.0.
SO0-100 stems/ha..22.72.422.52.4
101-200 stems/ha..22.02.421.92.3
201-300 stems/ha50.035.426.92.527.02.5
301-400 stems/ha50.035.419.72.319.92.3
401-500 stems/ha..6.51.46.41.4
501- 600 stems/ha..1.90.81.90.8
more than 600 stems/ha..0.30.30.30.3
total100.0.100.0.100.0.
SZ0-100 stems/ha17.69.323.42.723.02.6
101-200 stems/ha29.411.128.12.928.22.8
201-300 stems/ha17.69.322.82.722.52.6
301-400 stems/ha29.411.112.02.113.22.1
401-500 stems/ha..8.31.87.81.7
501- 600 stems/ha5.95.72.51.02.71.0
more than 600 stems/ha..2.91.12.71.0
total100.0.100.0.100.0.
TG0-100 stems/ha..29.83.129.83.1
101-200 stems/ha..18.62.718.62.7
201-300 stems/ha..21.42.821.42.8
301-400 stems/ha..16.32.516.32.5
401-500 stems/ha..7.41.87.41.8
501- 600 stems/ha..3.31.23.31.2
more than 600 stems/ha..3.31.23.31.2
total..100.0.100.0.
TI0-100 stems/ha44.24.955.11.654.11.5
101-200 stems/ha31.74.623.81.424.61.3
201-300 stems/ha13.53.312.61.112.71.0
301-400 stems/ha5.82.35.40.75.40.7
401-500 stems/ha2.91.62.10.52.20.4
501- 600 stems/ha1.01.00.40.20.50.2
more than 600 stems/ha1.01.00.50.20.60.2
total100.0.100.0.100.0.
UR0-100 stems/ha10.85.141.45.033.04.0
101-200 stems/ha18.96.419.24.019.13.4
201-300 stems/ha32.47.719.24.022.83.6
301-400 stems/ha18.96.49.12.911.82.8
401-500 stems/ha8.14.56.12.46.62.1
501- 600 stems/ha5.43.74.02.04.41.8
more than 600 stems/ha5.43.71.01.02.21.3
total100.0.100.0.100.0.
VD0-100 stems/ha28.67.026.81.526.91.5
101-200 stems/ha19.06.125.51.525.21.4
201-300 stems/ha23.86.624.81.524.81.4
301-400 stems/ha14.35.413.71.213.81.1
401-500 stems/ha7.14.05.20.75.30.7
501- 600 stems/ha7.14.02.30.52.50.5
more than 600 stems/ha..1.60.41.50.4
total100.0.100.0.100.0.
VS0-100 stems/ha22.72.643.61.838.51.5
101-200 stems/ha26.72.824.21.524.81.4
201-300 stems/ha27.52.816.51.319.21.2
301-400 stems/ha13.12.17.91.09.20.9
401-500 stems/ha5.21.44.30.74.50.6
501- 600 stems/ha3.61.22.50.62.70.5
more than 600 stems/ha1.20.71.00.41.10.3
total100.0.100.0.100.0.
ZG0-100 stems/ha..24.65.724.15.6
101-200 stems/ha..36.86.336.26.3
201-300 stems/ha..19.35.219.05.2
301-400 stems/ha100.0.17.55.019.05.2
401-500 stems/ha..1.81.71.71.7
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
ZH0-100 stems/ha..22.91.922.91.9
101-200 stems/ha..20.31.820.31.8
201-300 stems/ha..23.71.923.71.9
301-400 stems/ha..18.71.818.71.8
401-500 stems/ha..7.71.27.71.2
501- 600 stems/ha..3.90.93.90.9
more than 600 stems/ha..2.80.72.80.7
total..100.0.100.0.
Switzerland0-100 stems/ha24.21.430.30.529.80.4
101-200 stems/ha26.01.424.30.424.50.4
201-300 stems/ha22.61.320.80.420.90.4
301-400 stems/ha13.91.113.30.313.30.3
401-500 stems/ha6.80.86.50.26.50.2
501- 600 stems/ha4.80.72.90.23.10.2
more than 600 stems/ha1.80.41.90.11.90.1
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 07.11.2014 #155839/142218

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %
AG0-100 stems/ha..13.2813.28
101-200 stems/ha..12.4812.48
201-300 stems/ha..12.1812.18
301-400 stems/ha..6.8116.811
401-500 stems/ha..3.1173.117
501- 600 stems/ha..0.6410.641
more than 600 stems/ha..0.2710.271
total..48.4248.42
AI0-100 stems/ha..1.2261.226
101-200 stems/ha0.11000.6390.736
201-300 stems/ha0.11000.7360.833
301-400 stems/ha0.11000.7370.834
401-500 stems/ha0.2700.9311.028
501- 600 stems/ha..0.4490.449
more than 600 stems/ha..0.3570.357
total0.5434.795.17
AR0-100 stems/ha..1.4251.425
101-200 stems/ha0.11001.4251.524
201-300 stems/ha..0.8340.834
301-400 stems/ha..1.5241.524
401-500 stems/ha..1.6231.623
501- 600 stems/ha0.11000.6400.736
more than 600 stems/ha..0.6400.640
total0.2707.968.15
BE0-100 stems/ha2.12234.1536.25
101-200 stems/ha3.41737.9541.34
201-300 stems/ha3.21836.8540.05
301-400 stems/ha2.52022.2624.76
401-500 stems/ha1.7249.91011.69
501- 600 stems/ha0.6415.1145.713
more than 600 stems/ha0.5453.1183.617
total14.08149.12163.11
BL/BS0-100 stems/ha..5.1135.113
101-200 stems/ha..6.2116.211
201-300 stems/ha..4.2154.215
301-400 stems/ha..3.5163.516
401-500 stems/ha..1.0311.031
501- 600 stems/ha..0.5440.544
more than 600 stems/ha..0.11000.1100
total..20.7320.73
FR0-100 stems/ha0.5459.9910.49
101-200 stems/ha0.2717.2117.411
201-300 stems/ha0.6416.4127.011
301-400 stems/ha0.2715.8126.012
401-500 stems/ha0.2714.8145.013
501- 600 stems/ha0.11002.8182.918
more than 600 stems/ha..1.7241.724
total1.82338.5340.43
GE0-100 stems/ha..1.6221.622
101-200 stems/ha..0.9310.931
201-300 stems/ha..0.3560.356
301-400 stems/ha..0.11000.1100
401-500 stems/ha..0.11000.1100
501- 600 stems/ha......
more than 600 stems/ha......
total..3.1123.112
GL0-100 stems/ha1.0313.8154.813
101-200 stems/ha0.7372.2213.018
201-300 stems/ha0.5441.4261.922
301-400 stems/ha0.5441.8232.420
401-500 stems/ha0.4501.4261.823
501- 600 stems/ha0.2710.5440.737
more than 600 stems/ha0.2710.11000.357
total3.61611.4714.96
GR0-100 stems/ha6.31246.9453.14
101-200 stems/ha6.41232.4538.85
201-300 stems/ha4.61522.6627.16
301-400 stems/ha2.62014.8817.47
401-500 stems/ha1.1307.2128.311
501- 600 stems/ha1.3283.9165.214
more than 600 stems/ha0.2711.8232.022
total22.46129.52151.92
JU0-100 stems/ha0.11007.8107.910
101-200 stems/ha0.3588.6108.99
201-300 stems/ha..7.8107.810
301-400 stems/ha..4.9134.913
401-500 stems/ha0.11002.2212.320
501- 600 stems/ha..0.7370.737
more than 600 stems/ha..1.0311.031
total0.54433.1233.62
LU0-100 stems/ha..7.8107.810
101-200 stems/ha..10.0910.09
201-300 stems/ha0.2718.5108.710
301-400 stems/ha0.2717.5107.710
401-500 stems/ha..3.6163.616
501- 600 stems/ha0.2711.6241.823
more than 600 stems/ha..1.2271.227
total0.64140.2340.73
NE0-100 stems/ha..4.9134.913
101-200 stems/ha0.4509.8910.28
201-300 stems/ha0.2717.1117.310
301-400 stems/ha0.2713.0173.217
401-500 stems/ha..1.5251.525
501- 600 stems/ha0.11000.7380.835
more than 600 stems/ha..0.4500.450
total0.93327.3328.23
NW0-100 stems/ha0.11001.9222.021
101-200 stems/ha0.2701.3271.525
201-300 stems/ha0.3571.2281.525
301-400 stems/ha0.3571.3271.624
401-500 stems/ha0.2700.6400.834
501- 600 stems/ha0.2700.2700.449
more than 600 stems/ha......
total1.4266.587.96
OW0-100 stems/ha0.4504.2144.713
101-200 stems/ha0.4503.2173.615
201-300 stems/ha0.3573.5163.815
301-400 stems/ha0.2712.9173.117
401-500 stems/ha0.3571.8232.121
501- 600 stems/ha..0.6400.640
more than 600 stems/ha0.11000.4500.544
total1.72316.8418.54
SG0-100 stems/ha0.7389.7910.49
101-200 stems/ha1.0319.9910.99
201-300 stems/ha1.03111.3912.38
301-400 stems/ha0.7387.3117.911
401-500 stems/ha0.2714.2154.415
501- 600 stems/ha0.2712.2212.420
more than 600 stems/ha0.11002.3212.420
total3.91646.9350.83
SH0-100 stems/ha..3.8143.814
101-200 stems/ha..3.2163.216
201-300 stems/ha..2.8172.817
301-400 stems/ha..1.4251.425
401-500 stems/ha..0.7370.737
501- 600 stems/ha..0.11000.1100
more than 600 stems/ha..0.2700.270
total..12.3412.34
SO0-100 stems/ha..7.1117.111
101-200 stems/ha..6.9116.911
201-300 stems/ha0.11008.4108.510
301-400 stems/ha0.11006.2126.312
401-500 stems/ha..2.0222.022
501- 600 stems/ha..0.6410.641
more than 600 stems/ha..0.11000.1100
total0.27131.3331.52
SZ0-100 stems/ha0.3586.0126.312
101-200 stems/ha0.5447.2117.710
201-300 stems/ha0.3585.9126.212
301-400 stems/ha0.5443.1183.616
401-500 stems/ha..2.1222.122
501- 600 stems/ha0.11000.6410.738
more than 600 stems/ha..0.7380.738
total1.82425.6427.43
TG0-100 stems/ha..6.2116.211
101-200 stems/ha..3.8153.815
201-300 stems/ha..4.4144.414
301-400 stems/ha..3.4163.416
401-500 stems/ha..1.5241.524
501- 600 stems/ha..0.7380.738
more than 600 stems/ha..0.7370.737
total..20.6320.63
TI0-100 stems/ha4.61552.8457.43
101-200 stems/ha3.31722.8626.16
201-300 stems/ha1.42712.1913.58
301-400 stems/ha0.6415.2145.813
401-500 stems/ha0.3582.0222.321
501- 600 stems/ha0.11000.4500.545
more than 600 stems/ha0.11000.5450.641
total10.3995.72106.12
UR0-100 stems/ha0.4504.1154.614
101-200 stems/ha0.7371.9222.619
201-300 stems/ha1.2281.9223.117
301-400 stems/ha0.7370.9331.624
401-500 stems/ha0.3580.6410.933
501- 600 stems/ha0.2710.4500.640
more than 600 stems/ha0.2710.11000.358
total3.81510.0813.86
VD0-100 stems/ha1.22924.3625.56
101-200 stems/ha0.83523.1623.96
201-300 stems/ha1.03122.5623.56
301-400 stems/ha0.64112.4913.08
401-500 stems/ha0.3584.7145.014
501- 600 stems/ha0.3582.0222.421
more than 600 stems/ha..1.4271.427
total4.31590.4294.72
VS0-100 stems/ha5.61332.8538.44
101-200 stems/ha6.51218.2724.86
201-300 stems/ha6.71212.4919.17
301-400 stems/ha3.2175.9139.210
401-500 stems/ha1.3283.2174.515
501- 600 stems/ha0.9331.9232.719
more than 600 stems/ha0.3580.8351.130
total24.5675.3399.72
ZG0-100 stems/ha..1.4241.424
101-200 stems/ha..2.1182.118
201-300 stems/ha..1.1281.128
301-400 stems/ha0.11001.0301.128
401-500 stems/ha..0.11000.1100
501- 600 stems/ha......
more than 600 stems/ha......
total0.11005.675.76
ZH0-100 stems/ha..11.4911.49
101-200 stems/ha..10.1910.19
201-300 stems/ha..11.8811.88
301-400 stems/ha..9.3109.310
401-500 stems/ha..3.8163.816
501- 600 stems/ha..1.9231.923
more than 600 stems/ha..1.4261.426
total..49.8249.82
Switzerland0-100 stems/ha23.36303.52326.72
101-200 stems/ha25.16243.52268.52
201-300 stems/ha21.87208.02229.82
301-400 stems/ha13.49132.83146.22
401-500 stems/ha6.61264.8471.34
501- 600 stems/ha4.61529.1633.65
more than 600 stems/ha1.72419.1720.87
total96.331000.711097.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 07.11.2014 #155840/142219

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %±
inside perimeter0-100 stems/ha7.74.3..13.83.123.71.740.04.124.21.4
101-200 stems/ha30.87.4..24.43.924.41.733.83.926.01.4
201-300 stems/ha25.77.0..25.23.924.01.713.82.922.61.3
301-400 stems/ha23.06.7100.0.16.33.314.41.45.51.913.91.1
401-500 stems/ha7.74.3..11.42.96.71.03.41.56.80.8
501- 600 stems/ha5.13.5..7.32.34.70.82.81.44.80.7
more than 600 stems/ha....1.61.12.10.60.70.71.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha23.71.025.60.921.20.935.40.954.61.530.30.5
101-200 stems/ha27.61.022.00.923.81.025.10.822.61.224.30.4
201-300 stems/ha24.81.023.80.921.80.917.90.713.21.020.80.4
301-400 stems/ha15.00.815.90.815.80.811.00.66.10.713.30.3
401-500 stems/ha5.50.58.10.68.90.65.90.52.00.46.50.2
501- 600 stems/ha2.30.32.80.34.60.53.10.30.80.32.90.2
more than 600 stems/ha1.20.31.80.33.90.41.60.20.70.21.90.1
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha23.31.025.50.920.80.933.10.853.01.429.80.4
101-200 stems/ha27.61.022.00.923.80.925.00.723.81.224.50.4
201-300 stems/ha24.81.023.70.922.00.919.10.713.30.920.90.4
301-400 stems/ha15.10.816.00.815.80.811.70.66.10.713.30.3
401-500 stems/ha5.60.58.10.69.00.66.00.42.10.46.50.2
501- 600 stems/ha2.30.32.80.34.80.53.40.31.00.33.10.2
more than 600 stems/ha1.20.21.80.33.70.41.70.20.70.21.90.1
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155841/142220

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha0.358..1.72415.585.71323.26
101-200 stems/ha1.229..3.01816.084.81425.06
201-300 stems/ha1.032..3.11815.782.02221.77
301-400 stems/ha0.9330.2712.0229.4100.83513.39
401-500 stems/ha0.358..1.4274.4150.5456.612
501- 600 stems/ha0.271..0.9333.1180.4504.615
more than 600 stems/ha....0.2711.4270.11001.724
total4.0160.27112.3965.3414.3896.13
outside perimeter0-100 stems/ha45.6457.9442.1594.2363.23303.02
101-200 stems/ha53.2449.8447.2466.8426.26243.22
201-300 stems/ha47.8453.8443.4447.5415.38207.82
301-400 stems/ha28.9636.0531.4529.367.112132.73
401-500 stems/ha10.71018.4717.7715.782.32164.74
501- 600 stems/ha4.4156.4129.2108.2110.93329.06
more than 600 stems/ha2.3214.2157.7114.2150.83519.27
total192.91226.41198.61265.91115.72999.51
total0-100 stems/ha46.0457.9443.84109.7368.93326.22
101-200 stems/ha54.4449.8450.2482.8331.05268.22
201-300 stems/ha48.8453.8446.5463.1417.37229.52
301-400 stems/ha29.8536.2533.4538.857.911146.02
401-500 stems/ha11.0918.4719.0720.072.81971.24
501- 600 stems/ha4.6156.41210.11011.391.32833.65
more than 600 stems/ha2.3214.2157.9115.6130.93320.87
total196.91226.61210.81331.31130.121095.71

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155842/142221

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha7.34.118.42.719.43.322.72.627.73.340.04.124.21.4
101-200 stems/ha29.37.121.72.922.13.526.72.826.13.233.83.926.01.4
201-300 stems/ha24.46.723.73.022.13.527.52.821.73.013.82.922.61.3
301-400 stems/ha26.86.915.52.518.63.313.12.113.02.55.51.913.91.1
401-500 stems/ha7.34.111.62.28.62.45.21.44.91.63.41.56.80.8
501- 600 stems/ha4.93.46.31.75.72.03.61.25.41.72.81.44.80.7
more than 600 stems/ha..2.91.23.61.61.20.71.10.80.70.71.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha24.70.723.41.024.71.343.61.833.21.454.61.530.30.5
101-200 stems/ha24.50.724.61.022.71.324.21.526.51.322.61.224.30.4
201-300 stems/ha24.20.722.11.019.61.216.51.317.71.213.21.020.80.4
301-400 stems/ha15.50.615.20.914.81.17.91.011.81.06.10.713.30.3
401-500 stems/ha7.00.47.60.69.40.94.30.76.30.72.00.46.50.2
501- 600 stems/ha2.60.24.30.54.50.62.50.63.10.50.80.32.90.2
more than 600 stems/ha1.60.22.90.44.30.61.00.41.40.40.70.21.90.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha24.50.722.91.024.11.238.51.532.51.353.01.429.80.4
101-200 stems/ha24.60.724.31.022.61.224.81.426.51.223.81.224.50.4
201-300 stems/ha24.20.722.30.919.91.119.21.218.31.113.30.920.90.4
301-400 stems/ha15.60.615.20.815.21.09.20.912.00.96.10.713.30.3
401-500 stems/ha7.00.48.00.69.30.84.50.66.10.72.10.46.50.2
501- 600 stems/ha2.60.24.50.54.60.62.70.53.40.51.00.33.10.2
more than 600 stems/ha1.50.22.90.44.20.61.10.31.30.30.70.21.90.1
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, 07.11.2014 #155843/142222

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha0.3583.8162.7195.6135.1145.71323.26
101-200 stems/ha1.2294.5153.1186.5124.8144.81425.06
201-300 stems/ha1.0324.9143.1186.7124.0162.02221.77
301-400 stems/ha1.1303.2182.6193.2172.4200.83513.39
401-500 stems/ha0.3582.4201.2291.3280.9330.5456.612
501- 600 stems/ha0.2711.3280.8350.9331.0320.4504.615
more than 600 stems/ha..0.6410.5450.3580.2710.11001.724
total4.11620.7714.0824.5618.4714.3896.03
outside perimeter0-100 stems/ha103.6340.7526.3632.8536.4563.23303.02
101-200 stems/ha102.9342.7424.2618.2729.1526.26243.22
201-300 stems/ha101.6338.4520.9612.4919.4715.38207.92
301-400 stems/ha64.9426.3615.785.91312.987.112132.93
401-500 stems/ha29.2613.2810.1103.2176.9122.32164.84
501- 600 stems/ha10.8107.4114.8141.9233.4170.93329.16
more than 600 stems/ha6.5125.0144.6150.8351.5260.83519.27
total419.41173.62106.6275.33109.52115.721000.21
total0-100 stems/ha103.9344.5429.0538.4441.5468.93326.22
101-200 stems/ha104.1347.2427.3624.8633.8531.05268.22
201-300 stems/ha102.6343.3424.0619.1723.4617.37229.62
301-400 stems/ha66.0429.5518.379.21015.387.911146.22
401-500 stems/ha29.5615.6811.394.5157.8112.81971.44
501- 600 stems/ha11.098.7115.6132.7194.4151.32833.75
more than 600 stems/ha6.5125.6135.1141.1301.7240.93320.97
total423.51194.41120.6299.72127.92130.121096.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155844/142223

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstem count/ha (DBH >= 24cm, classified) %± %± %±
Western Jura0-100 stems/ha7.74.322.81.122.41.1
101-200 stems/ha30.87.427.81.227.91.2
201-300 stems/ha25.77.024.81.124.91.1
301-400 stems/ha23.06.714.70.915.00.9
401-500 stems/ha7.74.36.00.66.00.6
501- 600 stems/ha5.13.52.60.42.60.4
more than 600 stems/ha..1.30.31.30.3
total100.0.100.0.100.0.
Eastern Jura0-100 stems/ha..26.52.126.52.1
101-200 stems/ha..26.82.126.82.1
201-300 stems/ha..24.52.024.52.0
301-400 stems/ha..15.71.715.71.7
401-500 stems/ha..4.20.94.20.9
501- 600 stems/ha..1.30.51.30.5
more than 600 stems/ha..0.90.40.90.4
total..100.0.100.0.
Western Plateau0-100 stems/ha..28.82.128.82.1
101-200 stems/ha..21.21.921.21.9
201-300 stems/ha..20.81.920.81.9
301-400 stems/ha..14.61.614.61.6
401-500 stems/ha..8.91.38.91.3
501- 600 stems/ha..3.40.83.40.8
more than 600 stems/ha..2.30.72.30.7
total..100.0.100.0.
Central Plateau0-100 stems/ha..23.01.622.91.6
101-200 stems/ha..23.11.623.01.6
201-300 stems/ha..25.31.625.31.6
301-400 stems/ha100.0.16.71.416.91.4
401-500 stems/ha..7.81.07.81.0
501- 600 stems/ha..2.60.62.60.6
more than 600 stems/ha..1.60.51.60.5
total100.0.100.0.100.0.
Eastern Plateau0-100 stems/ha..25.81.325.81.3
101-200 stems/ha..21.61.221.61.2
201-300 stems/ha..24.01.324.01.3
301-400 stems/ha..15.91.115.91.1
401-500 stems/ha..8.00.88.00.8
501- 600 stems/ha..2.70.52.70.5
more than 600 stems/ha..1.80.41.80.4
total..100.0.100.0.
Western Pre-Alps0-100 stems/ha21.86.124.52.224.22.1
101-200 stems/ha19.65.819.52.019.51.9
201-300 stems/ha26.16.520.02.120.72.0
301-400 stems/ha13.05.015.61.915.31.7
401-500 stems/ha10.94.69.01.59.21.4
501- 600 stems/ha8.74.26.11.26.31.2
more than 600 stems/ha..5.31.14.71.0
total100.0.100.0.100.0.
Central Pre-Alps0-100 stems/ha9.64.120.11.319.51.3
101-200 stems/ha26.96.225.41.425.51.4
201-300 stems/ha26.96.223.21.423.41.3
301-400 stems/ha15.45.016.91.216.81.2
401-500 stems/ha9.64.18.20.98.30.9
501- 600 stems/ha7.73.73.80.64.00.6
more than 600 stems/ha3.82.72.50.52.50.5
total100.0.100.0.100.0.
Eastern Pre-Alps0-100 stems/ha8.05.420.91.620.41.5
101-200 stems/ha28.09.023.91.624.01.6
201-300 stems/ha20.08.021.01.621.01.5
301-400 stems/ha24.08.514.51.414.91.3
401-500 stems/ha16.07.39.81.110.01.1
501- 600 stems/ha4.03.94.90.84.90.8
more than 600 stems/ha..5.00.84.90.8
total100.0.100.0.100.0.
Northwestern Alps0-100 stems/ha21.13.929.92.228.12.0
101-200 stems/ha20.23.827.32.225.81.9
201-300 stems/ha21.13.921.52.021.41.8
301-400 stems/ha16.53.611.01.512.11.4
401-500 stems/ha12.83.25.01.16.61.1
501- 600 stems/ha4.62.03.60.93.80.8
more than 600 stems/ha3.71.81.70.62.10.6
total100.0.100.0.100.0.
Central Alps0-100 stems/ha17.95.135.83.731.33.1
101-200 stems/ha19.65.321.23.120.82.7
201-300 stems/ha26.85.918.93.020.82.7
301-400 stems/ha19.65.312.42.514.22.3
401-500 stems/ha7.13.45.31.75.71.5
501- 600 stems/ha5.43.03.51.44.01.3
more than 600 stems/ha3.62.52.91.33.11.2
total100.0.100.0.100.0.
Northeastern Alps0-100 stems/ha25.45.727.63.027.12.6
101-200 stems/ha22.05.420.42.720.82.4
201-300 stems/ha18.65.116.02.416.52.2
301-400 stems/ha15.34.717.32.516.92.2
401-500 stems/ha6.83.311.62.110.61.8
501- 600 stems/ha6.83.34.01.34.61.2
more than 600 stems/ha5.12.93.11.23.51.1
total100.0.100.0.100.0.
Southwestern Alps0-100 stems/ha22.72.643.61.838.51.5
101-200 stems/ha26.72.824.21.524.81.4
201-300 stems/ha27.52.816.51.319.21.2
301-400 stems/ha13.12.17.91.09.20.9
401-500 stems/ha5.21.44.30.74.50.6
501- 600 stems/ha3.61.22.50.62.70.5
more than 600 stems/ha1.20.71.00.41.10.3
total100.0.100.0.100.0.
Southeastern Alps0-100 stems/ha27.73.333.21.432.51.3
101-200 stems/ha26.13.226.51.326.51.2
201-300 stems/ha21.73.017.71.218.31.1
301-400 stems/ha13.02.511.81.012.00.9
401-500 stems/ha4.91.66.30.76.10.7
501- 600 stems/ha5.41.73.10.53.40.5
more than 600 stems/ha1.10.81.40.41.30.3
total100.0.100.0.100.0.
Southern Alps0-100 stems/ha40.04.154.61.553.01.4
101-200 stems/ha33.83.922.61.223.81.2
201-300 stems/ha13.82.913.21.013.30.9
301-400 stems/ha5.51.96.10.76.10.7
401-500 stems/ha3.41.52.00.42.10.4
501- 600 stems/ha2.81.40.80.31.00.3
more than 600 stems/ha0.70.70.70.20.70.2
total100.0.100.0.100.0.
Switzerland0-100 stems/ha24.11.430.30.529.80.4
101-200 stems/ha26.01.424.30.424.50.4
201-300 stems/ha22.61.320.80.420.90.4
301-400 stems/ha13.91.113.30.313.30.3
401-500 stems/ha6.80.86.50.26.50.2
501- 600 stems/ha4.80.72.90.23.10.2
more than 600 stems/ha1.80.41.90.11.90.1
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155845/142224

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %
Western Jura0-100 stems/ha0.35833.3533.65
101-200 stems/ha1.22940.7441.94
201-300 stems/ha1.03236.4537.45
301-400 stems/ha0.93321.6622.56
401-500 stems/ha0.3588.7119.010
501- 600 stems/ha0.2713.7163.916
more than 600 stems/ha..1.9231.923
total3.916146.31150.31
Eastern Jura0-100 stems/ha..12.4812.48
101-200 stems/ha..12.5812.58
201-300 stems/ha..11.5911.59
301-400 stems/ha..7.3117.311
401-500 stems/ha..2.0232.023
501- 600 stems/ha..0.6410.641
more than 600 stems/ha..0.4500.450
total..46.7246.72
Western Plateau0-100 stems/ha..14.1814.18
101-200 stems/ha..10.4910.49
201-300 stems/ha..10.2910.29
301-400 stems/ha..7.2117.211
401-500 stems/ha..4.4154.415
501- 600 stems/ha..1.7251.725
more than 600 stems/ha..1.1301.130
total..49.1249.12
Central Plateau0-100 stems/ha..15.6715.67
101-200 stems/ha..15.7715.77
201-300 stems/ha..17.2717.27
301-400 stems/ha0.27111.3911.59
401-500 stems/ha..5.3135.313
501- 600 stems/ha..1.7231.723
more than 600 stems/ha..1.1301.130
total0.27167.9268.12
Eastern Plateau0-100 stems/ha..28.3528.35
101-200 stems/ha..23.7623.76
201-300 stems/ha..26.3626.36
301-400 stems/ha..17.4717.47
401-500 stems/ha..8.8108.810
501- 600 stems/ha..3.0183.018
more than 600 stems/ha..2.0222.022
total..109.41109.41
Western Pre-Alps0-100 stems/ha1.0319.21010.29
101-200 stems/ha0.9337.3118.210
201-300 stems/ha1.2297.5118.710
301-400 stems/ha0.6415.8126.412
401-500 stems/ha0.5453.4173.915
501- 600 stems/ha0.4502.3202.719
more than 600 stems/ha..2.0222.022
total4.61437.5342.03
Central Pre-Alps0-100 stems/ha0.54518.7719.27
101-200 stems/ha1.42723.7625.16
201-300 stems/ha1.42721.6623.06
301-400 stems/ha0.83515.7716.57
401-500 stems/ha0.5457.7118.211
501- 600 stems/ha0.4503.6164.016
more than 600 stems/ha0.2712.3212.520
total5.21493.3298.42
Eastern Pre-Alps0-100 stems/ha0.27114.2814.48
101-200 stems/ha0.73816.2716.97
201-300 stems/ha0.54514.3814.88
301-400 stems/ha0.6419.81010.59
401-500 stems/ha0.4506.6127.011
501- 600 stems/ha0.11003.3173.417
more than 600 stems/ha..3.4173.417
total2.52067.8270.32
Northwestern Alps0-100 stems/ha2.32112.7815.18
101-200 stems/ha2.22111.6913.98
201-300 stems/ha2.3219.21011.59
301-400 stems/ha1.8234.7146.512
401-500 stems/ha1.4262.1223.617
501- 600 stems/ha0.5451.5262.022
more than 600 stems/ha0.4500.7381.130
total11.1942.6453.73
Central Alps0-100 stems/ha1.0316.2127.311
101-200 stems/ha1.1303.7164.814
201-300 stems/ha1.5253.3174.814
301-400 stems/ha1.1302.2213.317
401-500 stems/ha0.4500.9331.327
501- 600 stems/ha0.3580.6410.933
more than 600 stems/ha0.2710.5450.738
total5.81217.4623.25
Northeastern Alps0-100 stems/ha1.5256.2127.611
101-200 stems/ha1.3274.6145.912
201-300 stems/ha1.1303.6164.714
301-400 stems/ha0.9333.9154.814
401-500 stems/ha0.4502.6193.018
501- 600 stems/ha0.4500.9331.327
more than 600 stems/ha0.3580.7381.031
total5.81222.3528.24
Southwestern Alps0-100 stems/ha5.61332.8538.44
101-200 stems/ha6.51218.2724.86
201-300 stems/ha6.71212.4919.17
301-400 stems/ha3.2175.9139.210
401-500 stems/ha1.3283.2174.515
501- 600 stems/ha0.9331.9232.719
more than 600 stems/ha0.3580.8351.130
total24.5675.3399.72
Southeastern Alps0-100 stems/ha5.11436.4541.54
101-200 stems/ha4.81429.1533.85
201-300 stems/ha4.01619.4723.46
301-400 stems/ha2.42012.9815.38
401-500 stems/ha0.9336.9127.811
501- 600 stems/ha1.0323.4174.415
more than 600 stems/ha0.2711.5261.724
total18.47109.52127.92
Southern Alps0-100 stems/ha5.71363.2368.93
101-200 stems/ha4.81426.2631.05
201-300 stems/ha2.02215.3817.37
301-400 stems/ha0.8357.1127.911
401-500 stems/ha0.5452.3212.819
501- 600 stems/ha0.4500.9331.328
more than 600 stems/ha0.11000.8350.933
total14.38115.72130.12
Switzerland0-100 stems/ha23.26303.32326.52
101-200 stems/ha25.06243.52268.52
201-300 stems/ha21.87208.02229.72
301-400 stems/ha13.49132.93146.22
401-500 stems/ha6.61264.8471.44
501- 600 stems/ha4.61529.1633.75
more than 600 stems/ha1.72419.2720.97
total96.331000.711097.01

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155846/142225

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 36cm, classified) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha62.57.6100.0.50.02.660.03.259.73.969.53.757.61.6
101-200 stems/ha35.07.5..37.82.535.23.126.43.526.03.533.31.5
201-300 stems/ha2.52.5..9.61.54.31.310.72.53.91.67.40.8
301-400 stems/ha....2.60.80.40.43.11.40.60.61.80.4
401-500 stems/ha..............
501- 600 stems/ha..............
more than 600 stems/ha..............
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha64.41.153.91.057.00.977.31.665.01.684.81.062.90.5
101-200 stems/ha31.21.132.70.929.90.919.11.526.61.513.11.027.80.4
201-300 stems/ha4.00.511.40.610.90.63.50.77.10.91.70.47.80.3
301-400 stems/ha0.40.21.80.31.80.20.10.11.30.40.40.21.20.1
401-500 stems/ha..0.10.10.40.1....0.10.10.10.0
501- 600 stems/ha..0.00.00.10.1......0.00.0
more than 600 stems/ha..............
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha64.41.154.01.056.10.972.91.564.21.583.01.062.50.5
101-200 stems/ha31.21.132.70.930.80.823.11.426.61.414.51.028.30.4
201-300 stems/ha4.00.411.40.610.80.53.70.67.60.81.90.47.80.3
301-400 stems/ha0.40.11.80.31.90.20.20.21.60.40.40.21.30.1
401-500 stems/ha..0.10.10.30.1....0.10.10.10.0
501- 600 stems/ha..0.00.00.10.1......0.00.0
more than 600 stems/ha..............
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155847/142226

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 36cm, classified) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 36cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha2.5200.110019.3713.489.51010.6955.44
101-200 stems/ha1.427..14.587.9114.2154.01632.05
201-300 stems/ha0.1100..3.7161.0321.7240.6417.112
301-400 stems/ha....1.0320.11000.5450.11001.724
401-500 stems/ha..............
501- 600 stems/ha..............
more than 600 stems/ha..............
total4.1160.110038.5522.4615.8815.3896.13
outside perimeter0-100 stems/ha120.72136.32162.8251.0458.43100.22629.31
101-200 stems/ha58.4482.7385.3312.6823.9615.48278.42
201-300 stems/ha7.51128.9631.252.3206.4122.02278.33
301-400 stems/ha0.8354.5155.1140.11001.2290.54512.29
401-500 stems/ha..0.2711.130....0.11001.427
501- 600 stems/ha..0.11000.358......0.450
more than 600 stems/ha..............
total187.41252.71285.8166.0389.82118.221000.01
total0-100 stems/ha123.22136.42182.0264.4367.83110.82684.71
101-200 stems/ha59.8482.7399.9320.4628.1519.47310.42
201-300 stems/ha7.61128.9634.953.3178.1112.61985.43
301-400 stems/ha0.8354.5156.1130.2711.7240.64113.98
401-500 stems/ha..0.2711.130....0.11001.427
501- 600 stems/ha..0.11000.358......0.450
more than 600 stems/ha..............
total191.51252.81324.3188.32105.72133.521096.11

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155848/142227

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 36cm, classified) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstem count/ha (DBH >= 36cm, classified) %± %± %±
AG0-100 stems/ha..62.52.262.52.2
101-200 stems/ha..28.32.028.32.0
201-300 stems/ha..8.01.28.01.2
301-400 stems/ha..1.20.51.20.5
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
AI0-100 stems/ha20.018.059.17.155.56.8
101-200 stems/ha40.022.026.66.427.96.1
201-300 stems/ha40.022.06.13.49.23.9
301-400 stems/ha..4.12.83.72.6
401-500 stems/ha..4.12.83.72.6
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
AR0-100 stems/ha50.035.538.05.538.35.4
101-200 stems/ha..36.75.535.85.4
201-300 stems/ha50.035.520.24.521.04.5
301-400 stems/ha..5.12.54.92.4
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
BE0-100 stems/ha45.04.253.71.353.01.2
101-200 stems/ha45.74.232.61.233.71.2
201-300 stems/ha7.12.211.60.811.20.8
301-400 stems/ha2.11.21.60.31.70.3
401-500 stems/ha..0.30.10.20.1
501- 600 stems/ha..0.20.10.20.1
more than 600 stems/ha......
total100.0.100.0.100.0.
BL/BS0-100 stems/ha..67.23.467.23.4
101-200 stems/ha..30.23.330.23.3
201-300 stems/ha..2.11.02.11.0
301-400 stems/ha..0.50.50.50.5
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
FR0-100 stems/ha44.411.753.72.653.22.5
101-200 stems/ha50.011.827.82.328.82.3
201-300 stems/ha5.65.414.91.814.51.8
301-400 stems/ha..3.10.93.00.9
401-500 stems/ha..0.50.40.50.4
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
GE0-100 stems/ha..89.35.989.35.9
101-200 stems/ha..7.55.27.55.2
201-300 stems/ha..3.23.13.23.1
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
GL0-100 stems/ha60.08.260.34.760.24.1
101-200 stems/ha28.67.629.84.429.53.8
201-300 stems/ha8.64.78.12.68.22.3
301-400 stems/ha2.92.81.81.22.01.2
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
GR0-100 stems/ha60.03.365.21.364.51.2
101-200 stems/ha28.03.026.11.226.41.1
201-300 stems/ha8.91.97.10.77.40.7
301-400 stems/ha3.11.21.50.31.70.3
401-500 stems/ha..0.10.10.10.1
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
JU0-100 stems/ha80.017.861.52.761.82.7
101-200 stems/ha20.017.933.92.633.72.6
201-300 stems/ha..4.21.14.21.1
301-400 stems/ha..0.30.30.30.3
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
LU0-100 stems/ha16.415.052.52.452.02.4
101-200 stems/ha50.820.435.22.335.42.3
201-300 stems/ha16.415.010.71.510.81.5
301-400 stems/ha16.415.01.40.61.60.6
401-500 stems/ha..0.20.20.20.2
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
NE0-100 stems/ha66.715.757.13.057.42.9
101-200 stems/ha33.315.738.92.938.72.9
201-300 stems/ha..3.61.13.51.1
301-400 stems/ha..0.40.40.40.4
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
NW0-100 stems/ha53.813.873.85.770.35.3
101-200 stems/ha38.513.516.34.720.24.7
201-300 stems/ha7.77.48.23.58.13.2
301-400 stems/ha..1.61.61.41.4
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
OW0-100 stems/ha47.112.154.83.954.13.7
101-200 stems/ha52.912.127.73.530.13.4
201-300 stems/ha..15.12.813.72.5
301-400 stems/ha..1.81.01.60.9
401-500 stems/ha..0.60.60.50.5
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
SG0-100 stems/ha56.47.949.62.350.12.2
101-200 stems/ha23.16.734.72.233.92.1
201-300 stems/ha12.85.412.71.512.71.5
301-400 stems/ha7.74.32.50.72.90.7
401-500 stems/ha..0.40.30.40.3
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
SH0-100 stems/ha..70.63.970.63.9
101-200 stems/ha..26.14.026.14.0
201-300 stems/ha..3.41.73.41.7
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
SO0-100 stems/ha100.0.62.82.863.02.7
101-200 stems/ha..30.42.630.22.6
201-300 stems/ha..5.81.35.81.3
301-400 stems/ha..1.00.61.00.6
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
SZ0-100 stems/ha29.411.155.73.254.03.1
101-200 stems/ha41.211.933.53.034.02.9
201-300 stems/ha29.411.110.01.911.32.0
301-400 stems/ha..0.80.60.80.5
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
TG0-100 stems/ha..62.83.362.83.3
101-200 stems/ha..26.03.026.03.0
201-300 stems/ha..10.72.110.72.1
301-400 stems/ha..0.50.50.50.5
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
TI0-100 stems/ha75.04.287.11.186.01.1
101-200 stems/ha22.14.111.41.012.41.0
201-300 stems/ha2.91.61.30.41.50.4
301-400 stems/ha..0.10.10.10.1
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
UR0-100 stems/ha51.48.272.74.566.94.0
101-200 stems/ha32.47.722.24.225.03.7
201-300 stems/ha16.26.15.12.28.12.3
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
VD0-100 stems/ha64.37.465.21.665.11.6
101-200 stems/ha28.67.028.71.528.71.5
201-300 stems/ha4.83.35.00.75.00.7
301-400 stems/ha2.42.41.10.41.20.4
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
VS0-100 stems/ha59.83.176.81.572.61.4
101-200 stems/ha35.43.018.81.422.91.3
201-300 stems/ha4.41.34.10.74.20.6
301-400 stems/ha0.40.40.30.20.30.2
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
ZG0-100 stems/ha..54.46.553.46.4
101-200 stems/ha100.0.38.66.439.76.4
201-300 stems/ha..7.03.46.93.3
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
ZH0-100 stems/ha..50.12.350.12.3
101-200 stems/ha..35.12.235.12.2
201-300 stems/ha..12.61.512.61.5
301-400 stems/ha..1.80.61.80.6
401-500 stems/ha..0.20.20.20.2
501- 600 stems/ha..0.20.20.20.2
more than 600 stems/ha......
total..100.0.100.0.
Switzerland0-100 stems/ha57.61.663.00.562.50.5
101-200 stems/ha33.31.527.80.428.30.4
201-300 stems/ha7.40.87.80.37.80.3
301-400 stems/ha1.80.41.20.11.30.1
401-500 stems/ha..0.10.00.10.0
501- 600 stems/ha..0.00.00.00.0
more than 600 stems/ha......
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 07.11.2014 #155849/142228

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 36cm, classified) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstem count/ha (DBH >= 36cm, classified)1000 ha± %1000 ha± %1000 ha± %
AG0-100 stems/ha..30.3430.34
101-200 stems/ha..13.7713.77
201-300 stems/ha..3.9153.915
301-400 stems/ha..0.6410.641
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..48.4248.42
AI0-100 stems/ha0.11002.8152.814
101-200 stems/ha0.2701.2261.423
201-300 stems/ha0.2700.3570.543
301-400 stems/ha..0.2700.270
401-500 stems/ha..0.2700.270
501- 600 stems/ha......
more than 600 stems/ha......
total0.5434.795.17
AR0-100 stems/ha0.11003.0163.115
101-200 stems/ha..2.9162.916
201-300 stems/ha0.11001.6231.722
301-400 stems/ha..0.4490.449
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total0.2707.968.15
BE0-100 stems/ha6.31280.2386.53
101-200 stems/ha6.41248.6455.04
201-300 stems/ha1.03217.3718.37
301-400 stems/ha0.3582.4202.719
401-500 stems/ha..0.4500.450
501- 600 stems/ha..0.3580.358
more than 600 stems/ha......
total14.08149.12163.11
BL/BS0-100 stems/ha..13.9613.96
101-200 stems/ha..6.3116.311
201-300 stems/ha..0.4500.450
301-400 stems/ha..0.11000.1100
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..20.7320.73
FR0-100 stems/ha0.83520.7621.55
101-200 stems/ha0.93310.7911.68
201-300 stems/ha0.11005.8125.912
301-400 stems/ha..1.2291.229
401-500 stems/ha..0.2710.271
501- 600 stems/ha......
more than 600 stems/ha......
total1.82338.5340.43
GE0-100 stems/ha..2.7132.713
101-200 stems/ha..0.2700.270
201-300 stems/ha..0.11000.1100
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..3.1123.112
GL0-100 stems/ha2.2216.8119.09
101-200 stems/ha1.0313.4164.414
201-300 stems/ha0.3570.9331.228
301-400 stems/ha0.11000.2710.358
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total3.61611.4714.96
GR0-100 stems/ha13.4884.5397.92
101-200 stems/ha6.31233.8540.15
201-300 stems/ha2.0229.21011.29
301-400 stems/ha0.7381.9232.620
401-500 stems/ha..0.11000.1100
501- 600 stems/ha......
more than 600 stems/ha......
total22.46129.52151.92
JU0-100 stems/ha0.45020.4520.85
101-200 stems/ha0.110011.2811.38
201-300 stems/ha..1.4261.426
301-400 stems/ha..0.11000.1100
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total0.54433.1233.62
LU0-100 stems/ha0.110021.1521.25
101-200 stems/ha0.35814.1714.47
201-300 stems/ha0.11004.3144.414
301-400 stems/ha0.11000.6410.738
401-500 stems/ha..0.11000.1100
501- 600 stems/ha......
more than 600 stems/ha......
total0.64140.2340.73
NE0-100 stems/ha0.64115.6616.26
101-200 stems/ha0.35810.6810.98
201-300 stems/ha..1.0311.031
301-400 stems/ha..0.11000.1100
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total0.93327.3328.23
NW0-100 stems/ha0.7364.8115.510
101-200 stems/ha0.5441.1301.624
201-300 stems/ha0.11000.5440.640
301-400 stems/ha..0.11000.1100
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total1.4266.587.96
OW0-100 stems/ha0.8359.2810.08
101-200 stems/ha0.9334.7135.612
201-300 stems/ha..2.5192.519
301-400 stems/ha..0.3570.357
401-500 stems/ha..0.11000.1100
501- 600 stems/ha......
more than 600 stems/ha......
total1.72316.8418.54
SG0-100 stems/ha2.22123.3625.45
101-200 stems/ha0.93316.3717.27
201-300 stems/ha0.5456.0126.512
301-400 stems/ha0.3581.2291.526
401-500 stems/ha..0.2710.271
501- 600 stems/ha......
more than 600 stems/ha......
total3.91646.9350.83
SH0-100 stems/ha..8.778.77
101-200 stems/ha..3.2163.216
201-300 stems/ha..0.4490.449
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..12.3412.34
SO0-100 stems/ha0.27119.6519.85
101-200 stems/ha..9.599.59
201-300 stems/ha..1.8231.823
301-400 stems/ha..0.3580.358
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total0.27131.3331.52
SZ0-100 stems/ha0.54414.3714.87
101-200 stems/ha0.7378.6109.39
201-300 stems/ha0.5442.6203.118
301-400 stems/ha..0.2710.271
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total1.82425.6427.43
TG0-100 stems/ha..13.0613.06
101-200 stems/ha..5.4125.412
201-300 stems/ha..2.2202.220
301-400 stems/ha..0.11000.1100
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..20.6320.63
TI0-100 stems/ha7.71183.4291.22
101-200 stems/ha2.32110.9913.28
201-300 stems/ha0.3581.3281.625
301-400 stems/ha..0.11000.1100
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total10.3995.72106.12
UR0-100 stems/ha1.9227.3109.29
101-200 stems/ha1.2282.2213.416
201-300 stems/ha0.6400.5441.130
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total3.81510.0813.86
VD0-100 stems/ha2.81958.9361.73
101-200 stems/ha1.22925.9627.25
201-300 stems/ha0.2714.5154.714
301-400 stems/ha0.11001.0321.130
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total4.31590.4294.72
VS0-100 stems/ha14.6857.8372.43
101-200 stems/ha8.71014.2822.86
201-300 stems/ha1.1303.1184.215
301-400 stems/ha0.11000.2710.358
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total24.5675.3399.72
ZG0-100 stems/ha..3.0143.014
101-200 stems/ha0.11002.2182.317
201-300 stems/ha..0.4490.449
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total0.11005.675.76
ZH0-100 stems/ha..24.9524.95
101-200 stems/ha..17.5617.56
201-300 stems/ha..6.3126.312
301-400 stems/ha..0.9330.933
401-500 stems/ha..0.11000.1100
501- 600 stems/ha..0.11000.1100
more than 600 stems/ha......
total..49.8249.82
Switzerland0-100 stems/ha55.54630.11685.61
101-200 stems/ha32.05278.42310.42
201-300 stems/ha7.11278.3385.43
301-400 stems/ha1.72412.2913.98
401-500 stems/ha..1.4271.427
501- 600 stems/ha..0.4500.450
more than 600 stems/ha......
total96.331000.711097.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 07.11.2014 #155850/142229

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · stand stability · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedstand stability %± %± %± %± %± %± %±
inside perimetern/a3.61.24.31.64.01.76.61.66.01.83.11.14.50.6
critical4.01.37.42.16.32.26.11.611.92.53.41.16.10.7
less stable40.93.356.83.953.24.434.13.153.03.951.03.147.11.5
stable51.63.331.53.636.54.353.33.329.23.542.63.042.21.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a3.80.36.40.69.10.97.50.94.20.63.50.65.20.2
critical4.20.37.40.68.10.87.70.98.00.84.00.65.90.2
less stable43.30.851.71.248.61.534.91.745.71.549.41.545.70.5
stable48.60.834.61.134.31.449.91.842.11.543.11.543.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a3.80.36.20.58.50.87.30.84.40.63.40.55.10.2
critical4.20.37.40.67.90.87.30.88.50.83.90.55.90.2
less stable43.20.852.11.149.11.434.71.546.71.449.71.445.80.5
stable48.80.834.31.134.51.450.71.640.41.443.01.443.10.5
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, 04.11.2014 #155851/142230

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · stand stability · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a0.8350.7380.5451.5261.0320.8355.314
critical0.9331.2290.8351.4272.0220.9337.112
less stable9.3109.2106.7127.6118.91013.3854.94
stable11.795.1144.61511.994.91411.1949.24
total22.6716.2812.5922.3616.8726.06116.53
outside perimetern/a15.3811.399.8105.8134.7143.71650.54
critical17.0813.198.7106.0138.9104.21557.84
less stable173.7292.1352.5427.0550.8451.54447.61
stable194.9261.6437.0538.6446.7444.84423.71
total400.91178.11108.0277.43111.12104.12979.61
totaln/a16.1812.0910.3107.2115.7134.51555.84
critical17.9714.389.5107.31110.995.01465.04
less stable183.02101.3359.2334.6559.7364.73502.51
stable206.6266.7341.6450.5451.6455.94473.01
total423.51194.41120.6299.72127.92130.121096.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155852/142231

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · stand stability · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstand stability %± %± %±
Western Juran/a4.41.83.30.53.40.5
critical2.91.42.40.42.50.4
less stable38.24.236.91.337.01.3
stable54.44.357.31.357.11.3
total100.0.100.0.100.0.
Eastern Juran/a..5.21.14.81.0
critical6.34.33.80.94.00.9
less stable40.68.745.32.444.92.3
stable53.18.845.72.446.22.3
total100.0.100.0.100.0.
Western Plateaun/a22.514.04.30.94.61.0
critical..4.30.94.20.9
less stable11.210.632.92.232.42.2
stable66.315.858.62.358.72.3
total100.0.100.0.100.0.
Central Plateaun/a..3.90.73.70.7
critical9.75.37.11.07.21.0
less stable54.88.953.01.953.11.9
stable35.58.636.01.836.01.8
total100.0.100.0.100.0.
Eastern Plateaun/a..3.60.63.60.6
critical..4.80.74.70.6
less stable52.912.149.11.549.11.5
stable47.112.142.51.542.61.5
total100.0.100.0.100.0.
Western Pre-Alpsn/a3.23.28.41.48.01.3
critical9.75.310.11.510.11.5
less stable48.49.046.72.546.82.4
stable38.78.734.82.435.12.3
total100.0.100.0.100.0.
Central Pre-Alpsn/a3.72.65.60.85.50.7
critical5.63.16.00.86.00.8
less stable66.76.454.41.655.11.6
stable24.15.834.01.533.51.5
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a4.32.98.31.18.01.0
critical4.32.95.70.95.60.9
less stable48.97.349.22.049.11.9
stable42.67.236.91.937.31.8
total100.0.100.0.100.0.
Northwestern Alpsn/a5.22.56.21.16.11.0
critical7.83.17.81.37.81.2
less stable53.25.750.52.450.92.2
stable33.85.435.52.335.32.1
total100.0.100.0.100.0.
Central Alpsn/a2.42.49.72.28.41.8
critical4.93.411.32.310.12.0
less stable70.77.056.83.659.43.3
stable22.06.522.23.122.12.8
total100.0.100.0.100.0.
Northeastern Alpsn/a5.33.610.62.09.91.8
critical10.55.011.82.111.61.9
less stable39.57.941.13.140.82.9
stable44.78.136.63.137.72.9
total100.0.100.0.100.0.
Southwestern Alpsn/a6.61.67.50.97.30.8
critical6.11.67.70.97.30.8
less stable34.13.134.91.734.71.5
stable53.33.349.91.850.71.6
total100.0.100.0.100.0.
Southeastern Alpsn/a6.01.84.20.64.40.6
critical11.92.58.00.88.50.8
less stable53.03.945.71.546.71.4
stable29.23.542.11.540.41.4
total100.0.100.0.100.0.
Southern Alpsn/a3.11.13.50.63.40.5
critical3.41.14.00.63.90.5
less stable51.03.149.41.549.71.4
stable42.63.043.11.543.01.4
total100.0.100.0.100.0.
Switzerlandn/a4.50.65.20.25.10.2
critical6.10.75.90.25.90.2
less stable47.11.545.60.545.80.5
stable42.21.443.30.543.20.5
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155853/142232

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · stand stability · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstand stability1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.6414.5155.214
critical0.4503.3173.716
less stable5.31450.3455.64
stable7.51178.3385.83
total13.88136.51150.31
Eastern Juran/a..2.3212.321
critical0.2711.7251.923
less stable1.32719.6621.06
stable1.82419.8621.65
total3.31743.3246.72
Western Plateaun/a0.2712.1222.321
critical..2.1222.122
less stable0.110015.8715.97
stable0.64128.2528.84
total0.93348.1249.12
Central Plateaun/a..2.5192.519
critical0.3584.6144.914
less stable1.62434.5436.14
stable1.13023.5524.55
total3.01865.1268.12
Eastern Plateaun/a..3.9163.916
critical..5.2145.214
less stable0.93352.8353.73
stable0.83545.8446.64
total1.724107.71109.41
Western Pre-Alpsn/a0.11003.3173.417
critical0.3584.0154.315
less stable1.52518.2619.76
stable1.22913.6714.77
total3.11739.0342.03
Central Pre-Alpsn/a0.2715.2145.413
critical0.3585.6135.913
less stable3.61650.7354.23
stable1.32831.7532.95
total5.41393.1298.42
Eastern Pre-Alpsn/a0.2715.4135.613
critical0.2713.7163.916
less stable2.32132.3534.64
stable2.02224.2626.25
total4.71465.6270.32
Northwestern Alpsn/a0.4502.8193.317
critical0.6413.6174.215
less stable4.21523.1627.35
stable2.71916.3718.97
total7.81145.9353.73
Central Alpsn/a0.11001.8231.923
critical0.2712.1212.420
less stable3.01810.8813.87
stable0.9334.2155.113
total4.21519.0623.25
Northeastern Alpsn/a0.2712.6192.819
critical0.4502.9183.317
less stable1.52510.0911.58
stable1.7248.91010.69
total3.81624.4528.24
Southwestern Alpsn/a1.5265.8137.211
critical1.4276.0137.311
less stable7.61127.0534.65
stable11.9938.6450.54
total22.3677.4399.72
Southeastern Alpsn/a1.0324.7145.713
critical2.0228.91010.99
less stable8.91050.8459.73
stable4.91446.7451.64
total16.87111.12127.92
Southern Alpsn/a0.8353.7164.515
critical0.9334.2155.014
less stable13.3851.5464.73
stable11.1944.8455.94
total26.06104.12130.12
Switzerlandn/a5.31450.6455.84
critical7.21257.7464.94
less stable55.04447.41502.51
stable49.34424.51473.81
total116.83980.211097.01

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155854/142233

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
inside perimetern/a....1.30.70.50.5....0.40.2
less than 10 years ago57.93.765.25.946.22.926.43.149.04.125.12.741.21.4
11-20 years ago18.52.916.74.619.32.314.42.418.13.213.52.116.71.1
21-30 years ago10.72.34.52.612.81.918.72.712.12.715.32.213.51.0
31-40 years ago3.91.54.52.68.91.613.52.44.01.621.32.510.90.9
41-50 years ago1.71.01.51.51.60.73.41.22.01.27.81.63.40.5
over 50 years ago7.32.07.63.39.81.723.12.914.82.916.92.313.81.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a1.10.20.20.10.60.1..0.30.20.10.10.50.1
less than 10 years ago66.61.179.40.850.30.920.91.540.51.613.91.153.50.5
11-20 years ago18.50.913.60.720.00.717.51.414.41.211.81.016.50.4
21-30 years ago5.30.52.70.38.80.516.91.49.11.011.11.07.50.3
31-40 years ago2.20.41.10.25.70.411.61.28.20.915.51.15.60.2
41-50 years ago0.60.20.30.12.60.34.90.84.50.710.40.92.80.2
over 50 years ago5.80.62.60.312.10.628.31.723.01.437.21.513.50.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a1.00.20.20.10.70.10.10.10.30.20.10.10.50.1
less than 10 years ago65.81.179.00.849.90.922.21.441.71.516.11.052.20.4
11-20 years ago18.50.913.70.719.90.716.81.214.91.112.10.916.50.4
21-30 years ago5.80.52.80.39.20.517.31.39.50.911.90.98.10.3
31-40 years ago2.40.41.20.26.00.412.01.17.60.816.71.06.20.2
41-50 years ago0.70.20.30.12.50.34.50.74.10.69.90.82.90.2
over 50 years ago5.90.52.80.311.90.627.11.521.81.333.21.313.50.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155855/142234

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a....0.4500.1100....0.545
less than 10 years ago10.5104.31514.185.3137.3116.61248.14
11-20 years ago3.3171.1305.9132.9182.7193.61719.57
21-30 years ago1.9230.3583.9163.8161.8234.11515.88
31-40 years ago0.7380.3582.7192.7190.6415.61312.79
41-50 years ago0.3580.11000.5450.7380.3582.1224.016
over 50 years ago1.3280.5453.0184.7142.2214.51516.28
total18.176.61230.6620.2614.8826.46116.73
outside perimetern/a1.8230.6411.824..0.3580.11004.615
less than 10 years ago115.52195.41147.6214.2836.8514.98524.41
11-20 years ago32.0533.5558.6411.9913.1812.69161.72
21-30 years ago9.1106.81225.9611.598.31111.9973.44
31-40 years ago3.9162.81916.687.9117.51116.6755.34
41-50 years ago1.0320.7387.5113.3174.11511.1927.76
over 50 years ago10.0106.51235.6519.3720.9639.94132.23
total173.41246.21293.8168.1390.82107.02979.41
totaln/a1.8230.6412.2210.11000.3580.11005.114
less than 10 years ago126.02199.71161.8219.6744.0421.56572.61
11-20 years ago35.4534.6564.6414.8815.7816.28181.22
21-30 years ago11.197.11229.8615.3810.11015.9889.23
31-40 years ago4.6153.11819.3710.698.11122.3668.04
41-50 years ago1.3280.8358.0114.0154.41513.2831.75
over 50 years ago11.497.01238.6524.0623.1644.34148.32
total191.51252.81324.3188.32105.72133.521096.11

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155856/142235

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years) %± %± %±
AGn/a......
less than 10 years ago56.312.481.81.880.91.8
11-20 years ago6.36.113.31.613.11.5
21-30 years ago6.36.12.80.82.90.8
31-40 years ago12.58.30.80.41.20.5
41-50 years ago6.36.1..0.20.2
over 50 years ago12.58.31.30.51.60.6
total100.0.100.0.100.0.
AIn/a......
less than 10 years ago33.327.464.56.462.76.3
11-20 years ago66.727.323.86.026.26.0
21-30 years ago..2.01.91.81.8
31-40 years ago..3.92.73.72.6
41-50 years ago......
over 50 years ago..5.93.35.53.1
total100.0.100.0.100.0.
ARn/a......
less than 10 years ago70.014.559.25.960.55.5
11-20 years ago20.012.729.65.428.45.0
21-30 years ago10.09.52.82.03.72.1
31-40 years ago..1.41.41.21.2
41-50 years ago..2.82.02.51.7
over 50 years ago..4.22.43.72.1
total100.0.100.0.100.0.
BEn/a..0.30.20.30.1
less than 10 years ago53.24.067.31.266.01.2
11-20 years ago21.23.316.11.016.60.9
21-30 years ago13.52.75.80.66.50.6
31-40 years ago5.11.82.10.42.40.4
41-50 years ago2.61.30.90.21.00.3
over 50 years ago4.51.77.50.77.20.6
total100.0.100.0.100.0.
BL/BSn/a......
less than 10 years ago55.611.776.93.274.93.1
11-20 years ago33.311.114.62.716.42.7
21-30 years ago11.17.44.01.54.61.5
31-40 years ago..0.60.60.50.5
41-50 years ago......
over 50 years ago..4.01.53.61.3
total100.0.100.0.100.0.
FRn/a......
less than 10 years ago46.113.851.92.551.82.5
11-20 years ago7.77.425.12.224.52.2
21-30 years ago7.77.48.31.48.31.4
31-40 years ago23.111.75.41.26.01.2
41-50 years ago..0.50.40.50.4
over 50 years ago15.410.08.81.49.01.4
total100.0.100.0.100.0.
GEn/a..3.83.73.83.7
less than 10 years ago..29.08.829.08.8
11-20 years ago..7.55.27.55.2
21-30 years ago..29.68.929.68.9
31-40 years ago..18.87.718.87.7
41-50 years ago..3.83.73.83.7
over 50 years ago..7.55.27.55.2
total..100.0.100.0.
GLn/a......
less than 10 years ago35.010.751.64.549.34.1
11-20 years ago25.09.711.92.913.72.8
21-30 years ago10.06.77.92.48.22.3
31-40 years ago5.04.96.42.26.22.0
41-50 years ago5.04.91.61.12.11.2
over 50 years ago20.09.020.63.620.53.3
total100.0.100.0.100.0.
GRn/a..0.30.20.30.1
less than 10 years ago45.33.437.81.338.81.2
11-20 years ago18.82.714.41.015.10.9
21-30 years ago13.72.410.20.810.70.8
31-40 years ago5.71.69.80.89.20.7
41-50 years ago2.41.05.90.65.40.6
over 50 years ago14.22.421.61.120.61.0
total100.0.100.0.100.0.
JUn/a......
less than 10 years ago46.29.857.62.856.72.7
11-20 years ago26.98.721.42.321.82.3
21-30 years ago7.75.28.11.58.11.5
31-40 years ago..2.91.02.70.9
41-50 years ago......
over 50 years ago19.27.710.01.710.71.7
total100.0.100.0.100.0.
LUn/a......
less than 10 years ago55.616.672.02.271.72.2
11-20 years ago11.110.517.81.917.71.8
21-30 years ago11.110.52.80.83.00.8
31-40 years ago11.110.51.90.72.10.7
41-50 years ago..0.90.50.90.5
over 50 years ago11.110.54.61.04.71.0
total100.0.100.0.100.0.
NEn/a..0.80.60.70.5
less than 10 years ago67.78.374.72.773.92.6
11-20 years ago19.47.116.22.316.52.2
21-30 years ago..2.41.02.10.9
31-40 years ago3.23.22.41.02.50.9
41-50 years ago......
over 50 years ago9.75.33.61.24.21.2
total100.0.100.0.100.0.
NWn/a22.213.96.23.08.13.2
less than 10 years ago44.416.658.46.156.75.8
11-20 years ago..13.94.312.23.8
21-30 years ago11.110.53.02.14.02.2
31-40 years ago11.110.56.23.06.82.9
41-50 years ago......
over 50 years ago11.110.512.44.112.23.8
total100.0.100.0.100.0.
OWn/a......
less than 10 years ago50.014.445.63.845.93.7
11-20 years ago..11.72.510.92.3
21-30 years ago8.38.09.42.29.32.1
31-40 years ago..9.92.39.32.1
41-50 years ago..7.02.06.61.8
over 50 years ago41.714.216.42.818.02.8
total100.0.100.0.100.0.
SGn/a......
less than 10 years ago63.07.160.02.360.32.2
11-20 years ago19.65.815.11.715.51.6
21-30 years ago6.53.68.01.37.81.2
31-40 years ago6.53.75.61.15.71.0
41-50 years ago4.33.02.40.72.50.7
over 50 years ago..9.01.38.21.2
total100.0.100.0.100.0.
SHn/a..1.71.21.71.2
less than 10 years ago50.025.173.93.873.13.8
11-20 years ago25.021.716.53.516.83.4
21-30 years ago..4.31.94.21.8
31-40 years ago25.021.73.51.74.21.8
41-50 years ago......
over 50 years ago......
total100.0.100.0.100.0.
SOn/a......
less than 10 years ago68.29.978.92.478.12.3
11-20 years ago4.54.413.52.012.91.9
21-30 years ago9.16.13.11.03.51.0
31-40 years ago9.16.11.40.71.90.8
41-50 years ago..0.30.30.30.3
over 50 years ago9.16.12.81.03.21.0
total100.0.100.0.100.0.
SZn/a......
less than 10 years ago50.010.254.43.354.03.1
11-20 years ago12.56.816.22.415.92.3
21-30 years ago25.08.811.52.112.82.1
31-40 years ago8.35.66.01.56.21.5
41-50 years ago..2.61.02.30.9
over 50 years ago4.24.19.31.98.81.8
total100.0.100.0.100.0.
TGn/a..0.50.50.50.5
less than 10 years ago100.0.82.02.782.32.6
11-20 years ago..14.72.414.42.4
21-30 years ago..0.90.70.90.7
31-40 years ago..0.50.50.50.5
41-50 years ago......
over 50 years ago..1.40.81.40.8
total100.0.100.0.100.0.
TIn/a..0.10.10.10.1
less than 10 years ago22.92.811.21.113.61.0
11-20 years ago12.82.312.11.112.31.0
21-30 years ago14.62.411.11.111.81.0
31-40 years ago23.72.915.51.217.21.2
41-50 years ago8.61.99.91.09.60.9
over 50 years ago17.42.640.11.735.41.5
total100.0.100.0.100.0.
URn/a......
less than 10 years ago52.010.029.74.333.84.1
11-20 years ago16.07.318.03.617.63.3
21-30 years ago8.05.47.22.57.32.2
31-40 years ago..6.32.35.21.9
41-50 years ago4.03.96.32.35.92.0
over 50 years ago20.08.032.44.530.13.9
total100.0.100.0.100.0.
VDn/a..2.00.51.80.4
less than 10 years ago36.06.153.51.752.31.6
11-20 years ago16.44.723.21.422.71.4
21-30 years ago18.04.97.30.98.00.9
31-40 years ago14.84.53.70.64.40.7
41-50 years ago..2.20.52.10.5
over 50 years ago14.84.58.20.98.60.9
total100.0.100.0.100.0.
VSn/a1.30.81.10.41.20.3
less than 10 years ago27.93.020.91.422.51.3
11-20 years ago15.72.418.21.417.61.2
21-30 years ago17.92.515.91.316.31.2
31-40 years ago13.12.211.01.111.41.0
41-50 years ago3.11.14.80.84.40.6
over 50 years ago21.02.728.11.626.51.4
total100.0.100.0.100.0.
ZGn/a......
less than 10 years ago100.0.84.24.384.54.2
11-20 years ago..14.04.613.84.5
21-30 years ago......
31-40 years ago......
41-50 years ago......
over 50 years ago..1.81.71.71.7
total100.0.100.0.100.0.
ZHn/a......
less than 10 years ago100.0.80.21.880.31.8
11-20 years ago..14.31.614.21.6
21-30 years ago..2.70.72.60.7
31-40 years ago..0.60.40.60.4
41-50 years ago......
over 50 years ago..2.20.72.20.7
total100.0.100.0.100.0.
Switzerlandn/a0.40.20.50.10.50.1
less than 10 years ago41.21.453.50.552.20.4
11-20 years ago16.71.116.50.416.50.4
21-30 years ago13.61.07.50.38.20.3
31-40 years ago10.90.95.70.26.20.2
41-50 years ago3.40.52.80.22.90.2
over 50 years ago13.91.013.50.313.50.3
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #155857/142236

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGn/a......
less than 10 years ago0.93338.3339.23
11-20 years ago0.11006.3126.412
21-30 years ago0.11001.3271.426
31-40 years ago0.2710.4500.641
41-50 years ago0.1100..0.1100
over 50 years ago0.2710.6410.835
total1.62546.8248.42
AIn/a......
less than 10 years ago0.11003.1123.212
11-20 years ago0.2701.2271.325
21-30 years ago..0.11000.1100
31-40 years ago..0.2700.270
41-50 years ago......
over 50 years ago..0.3570.357
total0.3574.885.17
ARn/a......
less than 10 years ago0.7364.2124.910
11-20 years ago0.2702.1202.319
21-30 years ago0.11000.2700.357
31-40 years ago..0.11000.1100
41-50 years ago..0.2700.270
over 50 years ago..0.3570.357
total1.0307.178.15
BEn/a..0.5450.545
less than 10 years ago8.31199.32107.62
11-20 years ago3.31723.8627.16
21-30 years ago2.1228.51110.69
31-40 years ago0.8353.1183.916
41-50 years ago0.4501.3281.724
over 50 years ago0.73811.1911.89
total15.68147.52163.11
BL/BSn/a......
less than 10 years ago1.13114.4615.55
11-20 years ago0.6402.7193.417
21-30 years ago0.2710.7371.033
31-40 years ago..0.11000.1100
41-50 years ago......
over 50 years ago..0.7370.737
total1.92318.8420.73
FRn/a......
less than 10 years ago0.64120.3620.95
11-20 years ago0.11009.899.99
21-30 years ago0.11003.2173.317
31-40 years ago0.3582.1212.420
41-50 years ago..0.2710.271
over 50 years ago0.2713.4173.616
total1.32739.1340.43
GEn/a..0.11000.1100
less than 10 years ago..0.9330.933
11-20 years ago..0.2700.270
21-30 years ago..0.9320.932
31-40 years ago..0.6420.642
41-50 years ago..0.11000.1100
over 50 years ago..0.2700.270
total..3.1123.112
GLn/a......
less than 10 years ago0.7376.6117.410
11-20 years ago0.5441.5252.121
21-30 years ago0.2711.0311.228
31-40 years ago0.11000.8350.933
41-50 years ago0.11000.2710.357
over 50 years ago0.4502.7193.117
total2.12112.9714.96
GRn/a..0.4500.450
less than 10 years ago9.51049.4459.04
11-20 years ago4.01618.9722.96
21-30 years ago2.91813.3816.28
31-40 years ago1.22912.8914.08
41-50 years ago0.5457.7118.211
over 50 years ago3.01828.3631.35
total21.17130.82151.92
JUn/a......
less than 10 years ago1.22817.8619.15
11-20 years ago0.7376.6117.311
21-30 years ago0.2712.5192.719
31-40 years ago..0.9330.933
41-50 years ago......
over 50 years ago0.5443.1173.616
total2.61931.0333.62
LUn/a......
less than 10 years ago0.54528.7429.24
11-20 years ago0.11007.1117.211
21-30 years ago0.11001.1291.227
31-40 years ago0.11000.7350.833
41-50 years ago..0.4500.450
over 50 years ago0.11001.8231.922
total0.83339.9340.73
NEn/a..0.2710.271
less than 10 years ago2.12118.8520.95
11-20 years ago0.6414.1154.714
21-30 years ago..0.6410.641
31-40 years ago0.11000.6410.737
41-50 years ago......
over 50 years ago0.3580.9331.228
total3.11725.1428.23
NWn/a0.2700.4490.640
less than 10 years ago0.4494.0134.512
11-20 years ago..1.0321.032
21-30 years ago0.11000.2710.358
31-40 years ago0.11000.4490.544
41-50 years ago......
over 50 years ago0.11000.9341.032
total1.0326.977.96
OWn/a......
less than 10 years ago0.6407.9108.59
11-20 years ago..2.0212.021
21-30 years ago0.11001.6241.723
31-40 years ago..1.7231.723
41-50 years ago..1.2281.228
over 50 years ago0.5442.8183.316
total1.22817.3418.54
SGn/a......
less than 10 years ago2.91827.7530.64
11-20 years ago0.9337.0117.811
21-30 years ago0.3583.7164.015
31-40 years ago0.3582.6192.918
41-50 years ago0.2711.1301.327
over 50 years ago..4.2154.215
total4.61446.2350.83
SHn/a..0.2700.270
less than 10 years ago0.2708.879.06
11-20 years ago0.11002.0212.121
21-30 years ago..0.5440.544
31-40 years ago0.11000.4490.544
41-50 years ago......
over 50 years ago......
total0.44911.9412.34
SOn/a......
less than 10 years ago1.52523.1424.64
11-20 years ago0.11003.9154.015
21-30 years ago0.2710.9331.130
31-40 years ago0.2710.4500.641
41-50 years ago..0.11000.1100
over 50 years ago0.2710.8351.031
total2.22129.2331.52
SZn/a......
less than 10 years ago1.32813.5714.87
11-20 years ago0.3584.0154.415
21-30 years ago0.6402.9183.516
31-40 years ago0.2711.5261.724
41-50 years ago..0.6400.640
over 50 years ago0.11002.3212.420
total2.62024.9427.43
TGn/a..0.11000.1100
less than 10 years ago0.45016.6517.05
11-20 years ago..3.0173.017
21-30 years ago..0.2710.271
31-40 years ago..0.11000.1100
41-50 years ago......
over 50 years ago..0.3580.358
total0.45020.3420.63
TIn/a..0.11000.1100
less than 10 years ago5.0149.41014.48
11-20 years ago2.81910.21013.08
21-30 years ago3.2179.31012.59
31-40 years ago5.21413.1818.37
41-50 years ago1.9238.31110.210
over 50 years ago3.81633.8537.65
total21.7684.32106.12
URn/a......
less than 10 years ago1.3273.3164.714
11-20 years ago0.4502.0222.420
21-30 years ago0.2710.8351.031
31-40 years ago..0.7370.737
41-50 years ago0.11000.7370.835
over 50 years ago0.5443.6164.215
total2.51911.2813.86
VDn/a..1.7241.724
less than 10 years ago2.32147.3449.54
11-20 years ago1.03120.5721.56
21-30 years ago1.1306.4127.611
31-40 years ago0.9333.3174.215
41-50 years ago..1.9231.923
over 50 years ago0.9337.3128.211
total6.31288.4294.72
VSn/a0.3580.9331.229
less than 10 years ago6.21216.2722.46
11-20 years ago3.51714.1817.67
21-30 years ago4.01512.3916.37
31-40 years ago2.9188.51011.49
41-50 years ago0.7383.7164.415
over 50 years ago4.71421.8626.56
total22.3677.4399.72
ZGn/a......
less than 10 years ago0.11004.784.88
11-20 years ago..0.8340.834
21-30 years ago......
31-40 years ago......
41-50 years ago......
over 50 years ago..0.11000.1100
total0.11005.675.76
ZHn/a......
less than 10 years ago0.35839.7340.03
11-20 years ago..7.1117.111
21-30 years ago..1.3271.327
31-40 years ago..0.3580.358
41-50 years ago......
over 50 years ago..1.1301.130
total0.35849.5249.82
Switzerlandn/a0.5454.7155.214
less than 10 years ago48.14524.31572.51
11-20 years ago19.57161.82181.32
21-30 years ago15.8873.7489.53
31-40 years ago12.7955.5468.24
41-50 years ago4.01627.8631.75
over 50 years ago16.28132.43148.62
total116.93980.111097.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #155858/142237
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