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NFI1

forest area: rockfall SilvaProtect, modelled and assigned · degree of mixture · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of mixture %± %± %± %± %± %±
inside perimetern/a5.94.0..4.24.14.21.53.11.74.01.0
pure conifer forest14.66.1..20.88.356.53.623.54.340.22.6
mixed conifer forest23.57.333.327.220.88.314.72.65.12.213.51.8
mixed broadleaf forest17.76.5..16.77.610.02.25.12.29.71.6
pure broadleaf forest38.38.366.727.237.59.914.72.663.24.932.52.5
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a3.80.43.70.46.70.56.00.43.00.54.90.2
pure conifer forest27.51.038.01.056.01.172.40.834.91.449.40.5
mixed conifer forest26.91.023.10.921.10.98.50.56.80.717.20.4
mixed broadleaf forest17.20.913.40.78.60.65.10.45.30.69.80.3
pure broadleaf forest24.61.021.80.97.70.68.10.550.01.418.70.4
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a3.80.43.70.46.60.55.90.43.00.54.90.2
pure conifer forest27.31.038.01.055.61.171.50.834.01.349.10.5
mixed conifer forest26.81.023.10.921.10.98.80.56.70.717.10.4
mixed broadleaf forest17.20.913.40.78.70.65.40.45.30.69.80.3
pure broadleaf forest24.81.021.80.98.00.68.40.551.01.419.10.4
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155665/142044

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · degree of mixture · 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
rockfall SilvaProtect, modelled and assigneddegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a0.271..0.11000.8350.3581.427
pure conifer forest0.545..0.54510.7102.32114.08
mixed conifer forest0.8350.11000.5452.8190.5454.715
mixed broadleaf forest0.641..0.4501.9230.5453.417
pure broadleaf forest1.3280.2710.9332.8196.11311.39
total3.5170.3582.42018.979.71034.85
outside perimetern/a7.3128.51113.9818.873.71652.14
pure conifer forest53.3486.03116.72226.0242.04524.01
mixed conifer forest52.0452.2444.1426.568.211182.92
mixed broadleaf forest33.3530.3517.8715.986.312103.63
pure broadleaf forest47.6449.3416.0825.2660.23198.32
total193.41226.31208.41312.31120.421060.91
totaln/a7.5118.51114.0819.674.01653.54
pure conifer forest53.8486.03117.22236.7244.34538.01
mixed conifer forest52.8452.3444.6429.368.710187.62
mixed broadleaf forest33.9530.3518.2717.876.812107.03
pure broadleaf forest48.9449.5416.9728.0666.33209.62
total196.91226.61210.81331.31130.121095.71

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155666/142045

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · degree of mixture · 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
rockfall SilvaProtect, modelled and assigneddegree of mixture %± %± %± %± %± %± %±
inside perimetern/a5.43.7..3.02.19.43.72.42.43.11.74.01.0
pure conifer forest13.55.634.97.337.35.964.06.078.06.523.54.340.22.6
mixed conifer forest24.37.114.05.326.95.49.43.67.34.15.12.213.51.8
mixed broadleaf forest16.26.120.96.210.43.77.93.44.93.45.12.29.81.6
pure broadleaf forest40.58.130.27.022.45.19.43.67.34.163.24.932.62.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a3.80.36.30.68.60.86.50.84.00.63.00.54.90.2
pure conifer forest33.30.761.41.147.21.573.51.483.91.034.91.449.40.5
mixed conifer forest24.80.717.10.921.31.27.30.85.80.76.80.717.20.4
mixed broadleaf forest15.10.68.20.610.90.93.50.62.00.45.30.69.80.3
pure broadleaf forest23.10.77.10.612.11.09.20.94.30.650.01.418.70.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a3.80.36.10.58.30.86.70.83.90.53.00.54.90.2
pure conifer forest33.10.760.81.146.71.472.91.483.71.034.01.349.10.5
mixed conifer forest24.80.717.00.921.61.27.40.85.90.76.70.717.10.4
mixed broadleaf forest15.10.68.50.610.80.93.80.62.10.45.30.69.80.3
pure broadleaf forest23.20.77.60.612.61.09.20.94.40.651.01.419.10.4
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 #155667/142046

NFI1

forest area: rockfall SilvaProtect, modelled and assigned · degree of mixture · 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
rockfall SilvaProtect, modelled and assigneddegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a0.271..0.2710.6410.11000.3581.427
pure conifer forest0.5451.5262.5204.0153.2182.32114.08
mixed conifer forest0.9330.6411.8230.6410.3580.5454.715
mixed broadleaf forest0.6410.9330.7380.5450.2710.5453.417
pure broadleaf forest1.5261.3281.5260.6410.3586.11311.39
total3.7164.3156.7126.3124.1159.71034.75
outside perimetern/a15.8811.999.8106.1134.9143.71652.14
pure conifer forest139.62116.7253.8468.73103.8242.04524.61
mixed conifer forest104.1332.4524.266.8127.2128.211183.02
mixed broadleaf forest63.5415.6812.493.3172.5206.312103.63
pure broadleaf forest96.9313.4813.788.6105.41360.23198.22
total419.81190.11113.9293.52123.82120.421061.41
totaln/a16.0811.9910.0106.7125.0144.01653.54
pure conifer forest140.12118.2256.3372.73107.0244.34538.51
mixed conifer forest105.0333.0526.067.4117.5118.710187.62
mixed broadleaf forest64.1416.5813.183.8162.7196.812107.03
pure broadleaf forest98.4314.7815.289.2105.71366.33209.52
total423.51194.41120.6299.72127.92130.121096.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155668/142047

NFI1

forest area: rockfall 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
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of mixture %± %± %±
Western Juran/a6.74.63.40.53.50.5
pure conifer forest13.36.230.41.230.01.2
mixed conifer forest26.78.130.71.230.61.2
mixed broadleaf forest20.07.317.41.017.51.0
pure broadleaf forest33.48.618.11.018.41.0
total100.0.100.0.100.0.
Eastern Juran/a..4.91.04.81.0
pure conifer forest25.021.718.31.818.41.8
mixed conifer forest..14.51.714.41.7
mixed broadleaf forest..16.51.816.41.7
pure broadleaf forest75.021.645.82.446.02.3
total100.0.100.0.100.0.
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 forest100.0.29.92.130.02.1
total100.0.100.0.100.0.
Central Plateaun/a..3.70.73.70.7
pure conifer forest..44.01.943.91.9
mixed conifer forest50.035.422.61.622.71.6
mixed broadleaf forest..12.31.212.31.2
pure broadleaf forest50.035.417.31.417.41.4
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/a..8.11.38.01.3
pure conifer forest25.021.761.32.460.92.4
mixed conifer forest25.021.716.41.816.51.8
mixed broadleaf forest25.021.78.51.48.71.4
pure broadleaf forest25.021.75.71.15.91.1
total100.0.100.0.100.0.
Central Pre-Alpsn/a..5.30.75.30.7
pure conifer forest30.812.860.91.660.51.6
mixed conifer forest23.111.719.41.319.41.3
mixed broadleaf forest7.77.47.70.97.70.8
pure broadleaf forest38.413.56.80.87.20.8
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a14.313.27.61.07.71.0
pure conifer forest..45.91.945.41.9
mixed conifer forest14.313.226.61.726.41.7
mixed broadleaf forest28.617.19.81.110.01.1
pure broadleaf forest42.918.710.11.110.41.2
total100.0.100.0.100.0.
Northwestern Alpsn/a..6.61.16.31.1
pure conifer forest38.59.562.52.261.32.1
mixed conifer forest7.75.213.21.512.91.5
mixed broadleaf forest26.98.79.01.39.91.3
pure broadleaf forest26.98.78.81.39.71.3
total100.0.100.0.100.0.
Central Alpsn/a..9.82.18.41.8
pure conifer forest57.68.653.43.654.03.3
mixed conifer forest24.27.513.02.414.62.3
mixed broadleaf forest9.15.012.42.412.02.2
pure broadleaf forest9.15.011.42.311.12.1
total100.0.100.0.100.0.
Northeastern Alpsn/a3.73.610.11.99.51.7
pure conifer forest22.28.046.33.144.02.9
mixed conifer forest33.39.113.22.115.12.1
mixed broadleaf forest7.45.012.42.112.01.9
pure broadleaf forest33.39.117.92.419.42.3
total100.0.100.0.100.0.
Southwestern Alpsn/a9.43.76.50.86.70.8
pure conifer forest64.06.073.51.472.91.4
mixed conifer forest9.43.67.30.87.40.8
mixed broadleaf forest7.93.43.50.63.80.6
pure broadleaf forest9.43.69.20.99.20.9
total100.0.100.0.100.0.
Southeastern Alpsn/a2.42.44.00.63.90.5
pure conifer forest78.06.583.91.083.71.0
mixed conifer forest7.34.15.80.75.90.7
mixed broadleaf forest4.93.42.00.42.10.4
pure broadleaf forest7.34.14.30.64.40.6
total100.0.100.0.100.0.
Southern Alpsn/a3.11.73.00.53.00.5
pure conifer forest23.54.334.91.434.01.3
mixed conifer forest5.12.26.80.76.70.7
mixed broadleaf forest5.12.25.30.65.30.6
pure broadleaf forest63.24.950.01.451.01.4
total100.0.100.0.100.0.
Switzerlandn/a4.01.04.90.24.90.2
pure conifer forest40.32.649.40.549.10.5
mixed conifer forest13.51.817.20.417.10.4
mixed broadleaf forest9.81.69.80.39.80.3
pure broadleaf forest32.52.518.70.419.20.4
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155669/142048

NFI1

forest area: rockfall 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
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of mixture1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.2715.1145.314
pure conifer forest0.45044.7445.14
mixed conifer forest0.83545.2446.04
mixed broadleaf forest0.64125.6626.26
pure broadleaf forest1.03226.6627.66
total3.018147.21150.31
Eastern Juran/a..2.3212.321
pure conifer forest0.11008.5108.610
mixed conifer forest..6.7126.712
mixed broadleaf forest..7.6117.611
pure broadleaf forest0.35821.2621.56
total0.45046.2246.72
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 forest0.110014.6714.77
total0.110049.0249.12
Central Plateaun/a..2.5192.519
pure conifer forest..29.9529.95
mixed conifer forest0.110015.4715.57
mixed broadleaf forest..8.4108.410
pure broadleaf forest0.110011.7811.88
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/a..3.4173.417
pure conifer forest0.110025.5525.65
mixed conifer forest0.11006.8116.911
mixed broadleaf forest0.11003.6163.716
pure broadleaf forest0.11002.4202.520
total0.45041.6342.03
Central Pre-Alpsn/a..5.2145.214
pure conifer forest0.45059.1359.53
mixed conifer forest0.35818.8719.17
mixed broadleaf forest0.11007.5117.611
pure broadleaf forest0.5456.6127.112
total1.32897.2298.42
Eastern Pre-Alpsn/a0.11005.3135.413
pure conifer forest..32.0532.05
mixed conifer forest0.110018.5718.67
mixed broadleaf forest0.2716.8127.011
pure broadleaf forest0.3587.0127.311
total0.73869.6270.32
Northwestern Alpsn/a..3.4173.417
pure conifer forest1.03131.9532.94
mixed conifer forest0.2716.7126.912
mixed broadleaf forest0.7384.6155.313
pure broadleaf forest0.7384.5155.214
total2.71951.1353.73
Central Alpsn/a..1.9231.923
pure conifer forest2.02210.6912.58
mixed conifer forest0.8352.6193.417
mixed broadleaf forest0.3582.5202.819
pure broadleaf forest0.3582.3212.619
total3.41719.8523.25
Northeastern Alpsn/a0.11002.6192.719
pure conifer forest0.64111.8812.48
mixed conifer forest0.9333.4174.315
mixed broadleaf forest0.2713.2173.416
pure broadleaf forest0.9334.6145.413
total2.71925.5428.24
Southwestern Alpsn/a0.6416.1136.712
pure conifer forest4.01568.7372.73
mixed conifer forest0.6416.8127.411
mixed broadleaf forest0.5453.3173.816
pure broadleaf forest0.6418.6109.210
total6.31293.5299.72
Southeastern Alpsn/a0.11004.9145.014
pure conifer forest3.218103.82107.02
mixed conifer forest0.3587.2127.511
mixed broadleaf forest0.2712.5202.719
pure broadleaf forest0.3585.4135.713
total4.115123.82127.92
Southern Alpsn/a0.3583.7164.016
pure conifer forest2.32142.0444.34
mixed conifer forest0.5458.2118.710
mixed broadleaf forest0.5456.3126.812
pure broadleaf forest6.11360.2366.33
total9.710120.42130.12
Switzerlandn/a1.42752.2453.64
pure conifer forest14.08524.41538.41
mixed conifer forest4.715182.92187.62
mixed broadleaf forest3.417103.83107.23
pure broadleaf forest11.39198.82210.12
total34.951062.111097.01

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155670/142049

NFI1

forest area: rockfall 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
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha20.66.933.627.319.13.738.86.227.87.555.95.034.22.5
101-200 stems/ha11.85.533.227.220.93.824.25.427.87.524.04.322.32.2
201-300 stems/ha29.47.8..22.63.924.15.433.27.811.03.121.22.2
301-400 stems/ha23.57.333.227.219.13.79.73.72.82.85.02.212.31.8
401-500 stems/ha11.85.5..11.33.01.61.65.63.84.02.06.91.4
501- 600 stems/ha2.92.9..6.12.2..2.82.7..2.60.9
more than 600 stems/ha....0.90.91.61.6....0.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha23.11.024.50.925.50.837.41.733.21.552.31.429.60.4
101-200 stems/ha27.41.022.70.823.70.825.71.526.31.424.01.224.50.4
201-300 stems/ha25.01.023.30.821.00.719.41.417.61.213.51.020.90.4
301-400 stems/ha15.40.815.80.714.60.68.51.012.31.06.20.713.40.3
401-500 stems/ha5.60.58.40.68.00.54.70.75.70.72.10.46.50.2
501- 600 stems/ha2.30.33.20.44.10.43.20.63.50.61.00.33.10.2
more than 600 stems/ha1.10.22.10.33.20.31.10.41.50.40.70.21.90.1
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 #155671/142050

NFI1

forest area: rockfall 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
rockfall 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/ha0.7380.11002.2212.3201.0325.51311.99
101-200 stems/ha0.4500.11002.4201.5261.0322.4207.811
201-300 stems/ha1.032..2.6201.5261.2291.1307.412
301-400 stems/ha0.8350.11002.2210.6410.11000.5454.315
401-500 stems/ha0.450..1.3280.11000.2710.4502.420
501- 600 stems/ha0.1100..0.738..0.1100..0.933
more than 600 stems/ha....0.11000.1100....0.271
total3.4170.35811.596.0123.6179.91034.85
outside perimeter0-100 stems/ha43.5461.7479.7330.8533.9564.73314.32
101-200 stems/ha51.5457.3474.0321.1626.8629.75260.52
201-300 stems/ha47.1458.8465.7416.0717.9716.77222.22
301-400 stems/ha29.0640.0545.647.01112.697.711141.93
401-500 stems/ha10.41021.2725.163.9165.8132.61968.94
501- 600 stems/ha4.4158.21112.792.6193.6161.32832.85
more than 600 stems/ha2.1225.31410.0100.9331.5260.93320.77
total188.11252.51312.8182.32102.12123.621061.31
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 #155672/142051

NFI1

forest area: rockfall 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
rockfall 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..24.25.924.25.9
101-200 stems/ha..12.94.612.94.6
201-300 stems/ha..14.84.814.84.8
301-400 stems/ha..14.94.914.94.9
401-500 stems/ha..20.35.520.35.5
501- 600 stems/ha..7.43.67.43.6
more than 600 stems/ha..5.53.15.53.1
total..100.0.100.0.
AR0-100 stems/ha..17.34.217.34.2
101-200 stems/ha..18.54.318.54.3
201-300 stems/ha..9.93.39.93.3
301-400 stems/ha..18.54.318.54.3
401-500 stems/ha..19.84.419.84.4
501- 600 stems/ha..8.73.18.73.1
more than 600 stems/ha..7.42.97.42.9
total..100.0.100.0.
BE0-100 stems/ha17.96.122.31.022.21.0
101-200 stems/ha17.96.125.51.125.31.1
201-300 stems/ha28.27.224.51.124.51.1
301-400 stems/ha23.16.714.90.915.10.9
401-500 stems/ha7.74.37.10.67.10.6
501- 600 stems/ha5.13.53.40.53.50.5
more than 600 stems/ha..2.30.42.20.4
total100.0.100.0.100.0.
BL/BS0-100 stems/ha25.021.724.63.124.63.1
101-200 stems/ha..30.43.329.83.3
201-300 stems/ha50.025.019.92.920.52.9
301-400 stems/ha25.021.716.82.717.02.7
401-500 stems/ha..5.21.65.01.6
501- 600 stems/ha..2.61.22.61.1
more than 600 stems/ha..0.50.50.50.5
total100.0.100.0.100.0.
FR0-100 stems/ha100.0.25.22.225.72.2
101-200 stems/ha..18.41.918.21.9
201-300 stems/ha..17.41.917.31.9
301-400 stems/ha..14.91.814.81.8
401-500 stems/ha..12.61.712.51.7
501- 600 stems/ha..7.31.37.31.3
more than 600 stems/ha..4.31.04.31.0
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/ha31.311.632.24.132.13.9
101-200 stems/ha6.36.121.53.619.93.3
201-300 stems/ha6.36.113.93.013.02.8
301-400 stems/ha31.311.613.93.015.83.0
401-500 stems/ha18.89.811.62.812.42.7
501- 600 stems/ha6.36.14.61.84.81.8
more than 600 stems/ha..2.31.32.11.2
total100.0.100.0.100.0.
GR0-100 stems/ha36.45.934.91.235.01.2
101-200 stems/ha30.35.725.31.125.51.1
201-300 stems/ha24.25.317.61.017.91.0
301-400 stems/ha3.02.111.80.811.50.8
401-500 stems/ha4.52.65.50.65.40.6
501- 600 stems/ha1.51.53.50.53.40.5
more than 600 stems/ha..1.40.31.30.3
total100.0.100.0.100.0.
JU0-100 stems/ha30.014.523.42.423.62.3
101-200 stems/ha10.09.527.12.526.62.4
201-300 stems/ha10.09.523.72.423.32.3
301-400 stems/ha40.015.513.81.914.61.9
401-500 stems/ha10.09.56.81.46.91.4
501- 600 stems/ha..2.20.82.10.8
more than 600 stems/ha..3.11.03.00.9
total100.0.100.0.100.0.
LU0-100 stems/ha52.335.319.01.919.21.9
101-200 stems/ha..24.72.124.62.1
201-300 stems/ha..21.42.021.32.0
301-400 stems/ha..18.91.918.81.9
401-500 stems/ha47.735.38.51.38.71.4
501- 600 stems/ha..4.41.04.41.0
more than 600 stems/ha..3.00.83.00.8
total100.0.100.0.100.0.
NE0-100 stems/ha..17.42.317.32.2
101-200 stems/ha..36.52.936.32.9
201-300 stems/ha50.035.425.52.625.72.6
301-400 stems/ha..11.31.911.31.9
401-500 stems/ha50.035.45.01.35.31.3
501- 600 stems/ha..2.81.02.81.0
more than 600 stems/ha..1.40.71.40.7
total100.0.100.0.100.0.
NW0-100 stems/ha50.025.124.35.125.65.1
101-200 stems/ha50.025.117.14.518.94.6
201-300 stems/ha..20.14.819.04.6
301-400 stems/ha..21.54.920.34.7
401-500 stems/ha..11.33.810.73.6
501- 600 stems/ha..5.72.85.42.6
more than 600 stems/ha......
total100.0.100.0.100.0.
OW0-100 stems/ha25.021.725.13.225.13.2
101-200 stems/ha..20.13.019.72.9
201-300 stems/ha..21.23.120.83.0
301-400 stems/ha25.021.716.82.817.02.8
401-500 stems/ha50.025.010.62.311.52.4
501- 600 stems/ha..3.41.33.31.3
more than 600 stems/ha..2.81.22.71.2
total100.0.100.0.100.0.
SG0-100 stems/ha14.39.420.71.820.61.8
101-200 stems/ha14.39.421.71.921.51.8
201-300 stems/ha21.411.024.31.924.31.9
301-400 stems/ha21.411.015.51.615.71.6
401-500 stems/ha14.39.48.51.28.61.2
501- 600 stems/ha7.16.94.60.94.70.9
more than 600 stems/ha7.16.94.60.94.70.9
total100.0.100.0.100.0.
SH0-100 stems/ha..31.44.231.14.2
101-200 stems/ha100.0.25.44.026.14.0
201-300 stems/ha..22.93.822.73.8
301-400 stems/ha..11.93.011.83.0
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
total100.0.100.0.100.0.
SO0-100 stems/ha..22.82.422.52.4
101-200 stems/ha25.021.721.82.421.92.3
201-300 stems/ha50.025.026.72.527.02.5
301-400 stems/ha25.021.719.92.319.92.3
401-500 stems/ha..6.51.46.41.4
501- 600 stems/ha..2.00.81.90.8
more than 600 stems/ha..0.30.30.30.3
total100.0.100.0.100.0.
SZ0-100 stems/ha..24.12.723.02.6
101-200 stems/ha25.012.528.42.928.22.8
201-300 stems/ha50.014.421.22.622.52.6
301-400 stems/ha25.012.512.62.113.22.1
401-500 stems/ha..8.11.77.81.7
501- 600 stems/ha..2.81.12.71.0
more than 600 stems/ha..2.81.12.71.0
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/ha58.85.853.71.654.11.5
101-200 stems/ha20.64.724.91.424.61.3
201-300 stems/ha9.63.413.01.112.71.0
301-400 stems/ha6.93.05.30.75.40.7
401-500 stems/ha4.12.32.00.42.20.4
501- 600 stems/ha..0.50.20.50.2
more than 600 stems/ha..0.60.20.60.2
total100.0.100.0.100.0.
UR0-100 stems/ha12.56.837.54.633.04.0
101-200 stems/ha29.29.317.03.519.13.4
201-300 stems/ha20.88.323.24.022.83.6
301-400 stems/ha8.35.612.53.111.82.8
401-500 stems/ha12.56.85.32.16.62.1
501- 600 stems/ha16.77.61.81.34.41.8
more than 600 stems/ha..2.71.52.21.3
total100.0.100.0.100.0.
VD0-100 stems/ha12.511.727.01.526.91.5
101-200 stems/ha25.015.325.21.425.21.4
201-300 stems/ha50.017.724.61.424.81.4
301-400 stems/ha12.511.713.81.113.81.1
401-500 stems/ha..5.30.75.30.7
501- 600 stems/ha..2.50.52.50.5
more than 600 stems/ha..1.50.41.50.4
total100.0.100.0.100.0.
VS0-100 stems/ha37.66.138.51.638.51.5
101-200 stems/ha25.05.424.81.424.81.4
201-300 stems/ha23.45.318.91.319.21.2
301-400 stems/ha9.43.69.20.99.20.9
401-500 stems/ha3.12.24.60.74.50.6
501- 600 stems/ha..2.90.52.70.5
more than 600 stems/ha1.61.51.00.31.10.3
total100.0.100.0.100.0.
ZG0-100 stems/ha..24.15.624.15.6
101-200 stems/ha..36.26.336.26.3
201-300 stems/ha..19.05.219.05.2
301-400 stems/ha..19.05.219.05.2
401-500 stems/ha..1.71.71.71.7
501- 600 stems/ha......
more than 600 stems/ha......
total..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/ha34.12.529.60.429.80.4
101-200 stems/ha22.32.224.60.424.50.4
201-300 stems/ha21.22.220.90.420.90.4
301-400 stems/ha12.41.813.40.313.30.3
401-500 stems/ha6.91.36.50.26.50.2
501- 600 stems/ha2.60.93.10.23.10.2
more than 600 stems/ha0.60.41.90.11.90.1
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 07.11.2014 #155673/142052

NFI1

forest area: rockfall 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
rockfall 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/ha..0.7360.736
201-300 stems/ha..0.8330.833
301-400 stems/ha..0.8340.834
401-500 stems/ha..1.0281.028
501- 600 stems/ha..0.4490.449
more than 600 stems/ha..0.3570.357
total..5.175.17
AR0-100 stems/ha..1.4251.425
101-200 stems/ha..1.5241.524
201-300 stems/ha..0.8340.834
301-400 stems/ha..1.5241.524
401-500 stems/ha..1.6231.623
501- 600 stems/ha..0.7360.736
more than 600 stems/ha..0.6400.640
total..8.158.15
BE0-100 stems/ha0.73835.5536.25
101-200 stems/ha0.73840.6541.34
201-300 stems/ha1.13038.9540.05
301-400 stems/ha0.93323.8624.76
401-500 stems/ha0.35811.3911.69
501- 600 stems/ha0.2715.5135.713
more than 600 stems/ha..3.6173.617
total3.916159.21163.11
BL/BS0-100 stems/ha0.11005.0135.113
101-200 stems/ha..6.2116.211
201-300 stems/ha0.2714.0154.215
301-400 stems/ha0.11003.4163.516
401-500 stems/ha..1.0311.031
501- 600 stems/ha..0.5440.544
more than 600 stems/ha..0.11000.1100
total0.45020.3420.73
FR0-100 stems/ha0.35810.1910.49
101-200 stems/ha..7.4117.411
201-300 stems/ha..7.0117.011
301-400 stems/ha..6.0126.012
401-500 stems/ha..5.0135.013
501- 600 stems/ha..2.9182.918
more than 600 stems/ha..1.7241.724
total0.35840.1340.43
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/ha0.5444.3144.813
101-200 stems/ha0.11002.9183.018
201-300 stems/ha0.11001.8231.922
301-400 stems/ha0.5441.8232.420
401-500 stems/ha0.3571.5251.823
501- 600 stems/ha0.11000.6400.737
more than 600 stems/ha..0.3570.357
total1.62413.3614.96
GR0-100 stems/ha2.42050.8453.14
101-200 stems/ha2.02236.8538.85
201-300 stems/ha1.62525.6627.16
301-400 stems/ha0.27117.2717.47
401-500 stems/ha0.3588.0118.311
501- 600 stems/ha0.11005.1145.214
more than 600 stems/ha..2.0222.022
total6.612145.32151.92
JU0-100 stems/ha0.3587.6107.910
101-200 stems/ha0.11008.8108.99
201-300 stems/ha0.11007.7107.810
301-400 stems/ha0.4504.5144.913
401-500 stems/ha0.11002.2212.320
501- 600 stems/ha..0.7370.737
more than 600 stems/ha..1.0311.031
total1.03132.6333.62
LU0-100 stems/ha0.11007.7107.810
101-200 stems/ha..10.0910.09
201-300 stems/ha..8.7108.710
301-400 stems/ha..7.7107.710
401-500 stems/ha0.11003.5163.616
501- 600 stems/ha..1.8231.823
more than 600 stems/ha..1.2271.227
total0.27140.5340.73
NE0-100 stems/ha..4.9134.913
101-200 stems/ha..10.2810.28
201-300 stems/ha0.11007.2117.310
301-400 stems/ha..3.2173.217
401-500 stems/ha0.11001.4261.525
501- 600 stems/ha..0.8350.835
more than 600 stems/ha..0.4500.450
total0.27128.0328.23
NW0-100 stems/ha0.2701.8222.021
101-200 stems/ha0.2701.3271.525
201-300 stems/ha..1.5251.525
301-400 stems/ha..1.6241.624
401-500 stems/ha..0.8340.834
501- 600 stems/ha..0.4490.449
more than 600 stems/ha......
total0.4497.577.96
OW0-100 stems/ha0.11004.6144.713
101-200 stems/ha..3.6153.615
201-300 stems/ha..3.8153.815
301-400 stems/ha0.11003.0173.117
401-500 stems/ha0.2711.9222.121
501- 600 stems/ha..0.6400.640
more than 600 stems/ha..0.5440.544
total0.45018.1418.54
SG0-100 stems/ha0.27110.2910.49
101-200 stems/ha0.27110.7910.99
201-300 stems/ha0.35812.0812.38
301-400 stems/ha0.3587.6117.911
401-500 stems/ha0.2714.2154.415
501- 600 stems/ha0.11002.3212.420
more than 600 stems/ha0.11002.3212.420
total1.42649.4350.83
SH0-100 stems/ha..3.8143.814
101-200 stems/ha0.11003.1163.216
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
total0.110012.2412.34
SO0-100 stems/ha..7.1117.111
101-200 stems/ha0.11006.8116.911
201-300 stems/ha0.2718.3108.510
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
total0.45031.1331.52
SZ0-100 stems/ha..6.3126.312
101-200 stems/ha0.3587.4117.710
201-300 stems/ha0.6405.5136.212
301-400 stems/ha0.3583.3173.616
401-500 stems/ha..2.1222.122
501- 600 stems/ha..0.7380.738
more than 600 stems/ha..0.7380.738
total1.32826.2427.43
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/ha4.31553.1457.43
101-200 stems/ha1.52624.6626.16
201-300 stems/ha0.73812.8813.58
301-400 stems/ha0.5455.3135.813
401-500 stems/ha0.3582.0222.321
501- 600 stems/ha..0.5450.545
more than 600 stems/ha..0.6410.641
total7.21198.82106.12
UR0-100 stems/ha0.3584.3154.614
101-200 stems/ha0.7371.9222.619
201-300 stems/ha0.5442.6193.117
301-400 stems/ha0.2711.4261.624
401-500 stems/ha0.3580.6410.933
501- 600 stems/ha0.4500.2710.640
more than 600 stems/ha..0.3580.358
total2.42011.3813.86
VD0-100 stems/ha0.110025.4625.56
101-200 stems/ha0.27123.7623.96
201-300 stems/ha0.45023.1623.56
301-400 stems/ha0.110012.9813.08
401-500 stems/ha..5.0145.014
501- 600 stems/ha..2.4212.421
more than 600 stems/ha..1.4271.427
total0.83593.9294.72
VS0-100 stems/ha2.32036.0538.44
101-200 stems/ha1.62523.2624.86
201-300 stems/ha1.52617.7719.17
301-400 stems/ha0.6418.6109.210
401-500 stems/ha0.2714.3154.515
501- 600 stems/ha..2.7192.719
more than 600 stems/ha0.11001.0321.130
total6.31293.5299.72
ZG0-100 stems/ha..1.4241.424
101-200 stems/ha..2.1182.118
201-300 stems/ha..1.1281.128
301-400 stems/ha..1.1281.128
401-500 stems/ha..0.11000.1100
501- 600 stems/ha......
more than 600 stems/ha......
total..5.765.76
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/ha11.99314.82326.72
101-200 stems/ha7.811260.72268.52
201-300 stems/ha7.412222.42229.82
301-400 stems/ha4.315141.83146.22
401-500 stems/ha2.42068.9471.34
501- 600 stems/ha0.93332.7533.65
more than 600 stems/ha0.27120.6720.87
total35.051062.111097.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 07.11.2014 #155674/142053

NFI1

forest area: rockfall 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
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %±
inside perimeter0-100 stems/ha20.66.933.427.325.08.826.73.256.15.034.22.5
101-200 stems/ha11.85.533.327.212.56.824.63.123.54.322.32.2
201-300 stems/ha29.47.8..25.08.824.63.111.23.221.22.2
301-400 stems/ha23.57.3..25.08.812.62.45.12.212.31.8
401-500 stems/ha11.85.533.327.28.35.66.81.84.12.06.91.4
501- 600 stems/ha2.92.9..4.24.13.71.4..2.60.8
more than 600 stems/ha......1.00.7..0.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha23.41.025.50.920.70.933.50.852.71.429.60.4
101-200 stems/ha27.91.022.00.923.90.925.00.823.91.224.60.4
201-300 stems/ha24.71.023.80.922.00.918.70.713.51.020.90.4
301-400 stems/ha15.00.816.00.815.70.811.60.66.20.713.40.3
401-500 stems/ha5.50.58.10.69.00.66.00.42.00.46.50.2
501- 600 stems/ha2.30.32.80.34.80.53.40.31.10.33.10.2
more than 600 stems/ha1.20.31.80.33.80.41.70.20.70.21.90.1
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 #155675/142054

NFI1

forest area: rockfall 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
rockfall 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/ha0.7380.11000.6415.1145.41311.99
101-200 stems/ha0.4500.11000.3584.7152.3217.711
201-300 stems/ha1.032..0.6414.7151.1307.412
301-400 stems/ha0.835..0.6412.4200.5454.315
401-500 stems/ha0.4500.11000.2711.3280.4502.420
501- 600 stems/ha0.1100..0.11000.738..0.933
more than 600 stems/ha......0.271..0.271
total3.5170.3582.42018.979.71034.85
outside perimeter0-100 stems/ha45.2457.8443.24104.6363.53314.32
101-200 stems/ha54.0449.7449.9478.1328.75260.52
201-300 stems/ha47.8453.8445.9458.5416.27222.22
301-400 stems/ha29.0636.2532.8536.457.411141.83
401-500 stems/ha10.61018.3718.8718.772.42068.94
501- 600 stems/ha4.5156.41210.01010.6101.32832.75
more than 600 stems/ha2.3214.2157.9115.4140.93320.67
total193.41226.31208.41312.31120.421060.91
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 #155676/142055

NFI1

forest area: rockfall 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
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha21.66.823.36.416.44.537.66.129.37.156.15.034.22.5
101-200 stems/ha13.55.620.96.219.44.825.05.429.37.123.54.322.32.2
201-300 stems/ha27.07.325.66.722.45.123.45.329.27.111.23.221.22.2
301-400 stems/ha21.66.820.96.219.44.89.43.64.93.45.12.212.31.8
401-500 stems/ha13.55.67.03.911.94.03.12.24.93.44.12.06.91.4
501- 600 stems/ha2.72.72.32.39.03.5..2.42.4..2.60.9
more than 600 stems/ha....1.51.51.61.5....0.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha24.60.722.91.024.51.338.51.632.61.352.71.429.60.4
101-200 stems/ha24.70.724.31.022.81.224.81.426.41.323.91.224.50.4
201-300 stems/ha24.20.722.21.019.81.218.91.317.91.113.51.020.90.4
301-400 stems/ha15.50.615.10.815.01.19.20.912.20.96.20.713.40.3
401-500 stems/ha6.90.48.10.69.20.94.60.76.10.72.00.46.50.2
501- 600 stems/ha2.60.24.50.54.40.62.90.53.50.51.10.33.10.2
more than 600 stems/ha1.60.23.00.44.40.61.00.31.40.30.70.21.90.1
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 #155677/142056

NFI1

forest area: rockfall 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
rockfall 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/ha0.8351.0321.1302.3201.2295.41311.99
101-200 stems/ha0.5450.9331.3281.6251.2292.3217.711
201-300 stems/ha1.0321.1301.5261.5261.2291.1307.312
301-400 stems/ha0.8350.9331.3280.6410.2710.5454.315
401-500 stems/ha0.5450.3580.8350.2710.2710.4502.420
501- 600 stems/ha0.11000.11000.641..0.1100..0.933
more than 600 stems/ha....0.11000.1100....0.271
total3.7164.3156.7126.3124.1159.71034.75
outside perimeter0-100 stems/ha103.1343.5427.9636.0540.3463.53314.32
101-200 stems/ha103.6346.3426.0623.2632.7528.75260.52
201-300 stems/ha101.6342.2422.5617.7722.2616.27222.32
301-400 stems/ha65.2428.6617.078.61015.187.411141.93
401-500 stems/ha29.0615.3810.594.3157.6112.42069.04
501- 600 stems/ha10.9108.6115.0142.7194.3151.32832.85
more than 600 stems/ha6.5125.6135.0141.0321.7240.93320.77
total419.81190.11113.9293.52123.82120.421061.41
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 #155678/142057

NFI1

forest area: rockfall 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
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstem count/ha (DBH >= 24cm, classified) %± %± %±
Western Jura0-100 stems/ha20.07.322.41.122.41.1
101-200 stems/ha10.05.528.31.227.91.2
201-300 stems/ha26.78.124.81.124.91.1
301-400 stems/ha26.68.114.70.915.00.9
401-500 stems/ha13.36.25.80.66.00.6
501- 600 stems/ha3.33.32.60.42.60.4
more than 600 stems/ha..1.30.31.30.3
total100.0.100.0.100.0.
Eastern Jura0-100 stems/ha25.021.726.62.126.52.1
101-200 stems/ha25.021.726.82.126.82.1
201-300 stems/ha50.025.024.32.024.52.0
301-400 stems/ha..15.91.715.71.7
401-500 stems/ha..4.21.04.20.9
501- 600 stems/ha..1.30.51.30.5
more than 600 stems/ha..0.90.40.90.4
total100.0.100.0.100.0.
Western Plateau0-100 stems/ha100.0.28.62.128.82.1
101-200 stems/ha..21.31.921.21.9
201-300 stems/ha..20.81.920.81.9
301-400 stems/ha..14.71.614.61.6
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
total100.0.100.0.100.0.
Central Plateau0-100 stems/ha..23.01.622.91.6
101-200 stems/ha50.035.422.91.623.01.6
201-300 stems/ha..25.31.625.31.6
301-400 stems/ha..17.01.416.91.4
401-500 stems/ha50.035.47.61.07.81.0
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/ha50.025.024.02.124.22.1
101-200 stems/ha..19.71.919.51.9
201-300 stems/ha25.021.720.72.020.72.0
301-400 stems/ha25.021.715.21.715.31.7
401-500 stems/ha..9.31.49.21.4
501- 600 stems/ha..6.41.26.31.2
more than 600 stems/ha..4.71.04.71.0
total100.0.100.0.100.0.
Central Pre-Alps0-100 stems/ha30.812.819.41.319.51.3
101-200 stems/ha15.410.025.61.425.51.4
201-300 stems/ha15.410.023.51.423.41.3
301-400 stems/ha23.111.716.71.216.81.2
401-500 stems/ha15.410.08.20.98.30.9
501- 600 stems/ha..4.10.64.00.6
more than 600 stems/ha..2.60.52.50.5
total100.0.100.0.100.0.
Eastern Pre-Alps0-100 stems/ha..20.61.520.41.5
101-200 stems/ha14.313.224.11.624.01.6
201-300 stems/ha42.918.720.81.521.01.5
301-400 stems/ha28.617.114.71.314.91.3
401-500 stems/ha..10.11.110.01.1
501- 600 stems/ha14.313.24.80.84.90.8
more than 600 stems/ha..4.90.84.90.8
total100.0.100.0.100.0.
Northwestern Alps0-100 stems/ha15.47.128.72.028.12.0
101-200 stems/ha26.98.725.72.025.81.9
201-300 stems/ha30.89.121.01.821.41.8
301-400 stems/ha19.27.711.81.412.11.4
401-500 stems/ha3.83.86.81.16.61.1
501- 600 stems/ha3.83.83.80.93.80.8
more than 600 stems/ha..2.20.72.10.6
total100.0.100.0.100.0.
Central Alps0-100 stems/ha12.15.734.63.431.33.1
101-200 stems/ha27.37.719.72.920.82.7
201-300 stems/ha24.27.520.22.920.82.7
301-400 stems/ha15.26.214.02.514.22.3
401-500 stems/ha9.15.05.21.65.71.5
501- 600 stems/ha12.15.72.61.14.01.3
more than 600 stems/ha..3.61.33.11.2
total100.0.100.0.100.0.
Northeastern Alps0-100 stems/ha25.98.427.32.827.12.6
101-200 stems/ha11.16.121.82.620.82.4
201-300 stems/ha14.86.816.72.316.52.2
301-400 stems/ha22.28.016.32.316.92.2
401-500 stems/ha18.57.59.71.810.61.8
501- 600 stems/ha3.73.64.71.34.61.2
more than 600 stems/ha3.73.63.51.13.51.1
total100.0.100.0.100.0.
Southwestern Alps0-100 stems/ha37.66.138.51.638.51.5
101-200 stems/ha25.05.424.81.424.81.4
201-300 stems/ha23.45.318.91.319.21.2
301-400 stems/ha9.43.69.20.99.20.9
401-500 stems/ha3.12.24.60.74.50.6
501- 600 stems/ha..2.90.52.70.5
more than 600 stems/ha1.61.51.00.31.10.3
total100.0.100.0.100.0.
Southeastern Alps0-100 stems/ha29.37.132.61.332.51.3
101-200 stems/ha29.37.126.41.326.51.2
201-300 stems/ha29.27.117.91.118.31.1
301-400 stems/ha4.93.412.20.912.00.9
401-500 stems/ha4.93.46.10.76.10.7
501- 600 stems/ha2.42.43.50.53.40.5
more than 600 stems/ha..1.40.31.30.3
total100.0.100.0.100.0.
Southern Alps0-100 stems/ha56.15.052.71.453.01.4
101-200 stems/ha23.54.323.91.223.81.2
201-300 stems/ha11.23.213.51.013.30.9
301-400 stems/ha5.12.26.20.76.10.7
401-500 stems/ha4.12.02.00.42.10.4
501- 600 stems/ha..1.10.31.00.3
more than 600 stems/ha..0.70.20.70.2
total100.0.100.0.100.0.
Switzerland0-100 stems/ha34.12.529.60.429.80.4
101-200 stems/ha22.32.224.60.424.50.4
201-300 stems/ha21.22.220.90.420.90.4
301-400 stems/ha12.31.813.40.313.30.3
401-500 stems/ha6.91.46.50.26.50.2
501- 600 stems/ha2.60.93.10.23.10.2
more than 600 stems/ha0.60.41.90.11.90.1
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155679/142058

NFI1

forest area: rockfall 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
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %
Western Jura0-100 stems/ha0.64133.0533.65
101-200 stems/ha0.35841.6441.94
201-300 stems/ha0.83536.6537.45
301-400 stems/ha0.83521.7622.56
401-500 stems/ha0.4508.6119.010
501- 600 stems/ha0.11003.8163.916
more than 600 stems/ha..1.9231.923
total3.018147.21150.31
Eastern Jura0-100 stems/ha0.110012.3812.48
101-200 stems/ha0.110012.4812.58
201-300 stems/ha0.27111.2911.59
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
total0.45046.2246.72
Western Plateau0-100 stems/ha0.110014.0814.18
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
total0.110049.0249.12
Central Plateau0-100 stems/ha..15.6715.67
101-200 stems/ha0.110015.6715.77
201-300 stems/ha..17.2717.27
301-400 stems/ha..11.5911.59
401-500 stems/ha0.11005.2135.313
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/ha0.27110.0910.29
101-200 stems/ha..8.2108.210
201-300 stems/ha0.11008.6108.710
301-400 stems/ha0.11006.3126.412
401-500 stems/ha..3.9153.915
501- 600 stems/ha..2.7192.719
more than 600 stems/ha..2.0222.022
total0.45041.6342.03
Central Pre-Alps0-100 stems/ha0.45018.8719.27
101-200 stems/ha0.27124.9625.16
201-300 stems/ha0.27122.8623.06
301-400 stems/ha0.35816.2716.57
401-500 stems/ha0.2718.0118.211
501- 600 stems/ha..4.0164.016
more than 600 stems/ha..2.5202.520
total1.32897.2298.42
Eastern Pre-Alps0-100 stems/ha..14.4814.48
101-200 stems/ha0.110016.8716.97
201-300 stems/ha0.35814.5814.88
301-400 stems/ha0.27110.3910.59
401-500 stems/ha..7.0117.011
501- 600 stems/ha0.11003.3173.417
more than 600 stems/ha..3.4173.417
total0.73869.6270.32
Northwestern Alps0-100 stems/ha0.45014.7815.18
101-200 stems/ha0.73813.1813.98
201-300 stems/ha0.83510.7911.59
301-400 stems/ha0.5456.0136.512
401-500 stems/ha0.11003.5173.617
501- 600 stems/ha0.11001.9232.022
more than 600 stems/ha..1.1301.130
total2.71951.1353.73
Central Alps0-100 stems/ha0.4506.9117.311
101-200 stems/ha0.9333.9154.814
201-300 stems/ha0.8354.0154.814
301-400 stems/ha0.5442.8193.317
401-500 stems/ha0.3581.0311.327
501- 600 stems/ha0.4500.5440.933
more than 600 stems/ha..0.7380.738
total3.41719.8523.25
Northeastern Alps0-100 stems/ha0.7386.9117.611
101-200 stems/ha0.3585.6135.912
201-300 stems/ha0.4504.3154.714
301-400 stems/ha0.6414.2154.814
401-500 stems/ha0.5452.5203.018
501- 600 stems/ha0.11001.2281.327
more than 600 stems/ha0.11000.9331.031
total2.71925.5428.24
Southwestern Alps0-100 stems/ha2.32036.0538.44
101-200 stems/ha1.62523.2624.86
201-300 stems/ha1.52617.7719.17
301-400 stems/ha0.6418.6109.210
401-500 stems/ha0.2714.3154.515
501- 600 stems/ha..2.7192.719
more than 600 stems/ha0.11001.0321.130
total6.31293.5299.72
Southeastern Alps0-100 stems/ha1.22940.3441.54
101-200 stems/ha1.22932.7533.85
201-300 stems/ha1.22922.2623.46
301-400 stems/ha0.27115.1815.38
401-500 stems/ha0.2717.6117.811
501- 600 stems/ha0.11004.3154.415
more than 600 stems/ha..1.7241.724
total4.115123.82127.92
Southern Alps0-100 stems/ha5.41363.5368.93
101-200 stems/ha2.32128.7531.05
201-300 stems/ha1.13016.2717.37
301-400 stems/ha0.5457.4117.911
401-500 stems/ha0.4502.4202.819
501- 600 stems/ha..1.3281.328
more than 600 stems/ha..0.9330.933
total9.710120.42130.12
Switzerland0-100 stems/ha11.99314.62326.52
101-200 stems/ha7.811260.82268.52
201-300 stems/ha7.412222.32229.72
301-400 stems/ha4.315141.93146.22
401-500 stems/ha2.42069.0471.44
501- 600 stems/ha0.93332.8533.75
more than 600 stems/ha0.27120.7720.97
total34.951062.111097.01

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #155680/142059

NFI1

forest area: rockfall 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
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha67.78.0100.0.53.04.777.55.358.48.287.03.469.32.5
101-200 stems/ha26.47.6..35.74.522.55.325.07.211.03.124.02.3
201-300 stems/ha5.94.0..8.72.6..16.66.22.01.45.71.2
301-400 stems/ha....2.61.5......0.90.5
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/ha64.31.153.91.056.20.972.61.564.41.582.71.162.20.5
101-200 stems/ha31.31.132.80.930.60.823.21.526.61.414.81.028.50.4
201-300 stems/ha3.90.511.50.610.80.64.00.77.30.81.90.47.90.3
301-400 stems/ha0.40.21.80.31.90.20.20.21.70.40.50.21.30.1
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 #155681/142060

NFI1

forest area: rockfall 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
rockfall 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/ha2.3210.3586.1134.7142.1228.61024.16
101-200 stems/ha0.933..4.1161.4270.9331.1308.411
201-300 stems/ha0.271..1.032..0.6410.2712.022
301-400 stems/ha....0.358......0.358
401-500 stems/ha..............
501- 600 stems/ha..............
more than 600 stems/ha..............
total3.4170.35811.596.0123.6179.91034.85
outside perimeter0-100 stems/ha120.92136.12175.9259.7365.73102.22660.51
101-200 stems/ha58.9482.7395.8319.1727.2618.37302.02
201-300 stems/ha7.41228.9633.953.3177.5112.42083.43
301-400 stems/ha0.8354.5155.8130.2711.7240.64113.69
401-500 stems/ha..0.2711.130....0.11001.427
501- 600 stems/ha..0.11000.358......0.450
more than 600 stems/ha..............
total188.11252.51312.8182.32102.12123.621061.31
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 #155682/142061

NFI1

forest area: rockfall 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
rockfall 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/ha..55.56.855.56.8
101-200 stems/ha..27.96.127.96.1
201-300 stems/ha..9.23.99.23.9
301-400 stems/ha..3.72.63.72.6
401-500 stems/ha..3.72.63.72.6
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
AR0-100 stems/ha..38.35.438.35.4
101-200 stems/ha..35.85.435.85.4
201-300 stems/ha..21.04.521.04.5
301-400 stems/ha..4.92.44.92.4
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
BE0-100 stems/ha48.78.053.11.253.01.2
101-200 stems/ha38.57.833.61.233.71.2
201-300 stems/ha10.34.911.20.811.20.8
301-400 stems/ha2.62.51.60.31.70.3
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/ha50.025.067.53.467.23.4
101-200 stems/ha50.025.029.83.330.23.3
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......
total100.0.100.0.100.0.
FR0-100 stems/ha100.0.52.92.553.22.5
101-200 stems/ha..29.02.328.82.3
201-300 stems/ha..14.61.814.51.8
301-400 stems/ha..3.00.93.00.9
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/ha50.012.561.54.360.24.1
101-200 stems/ha37.512.128.54.029.53.8
201-300 stems/ha12.58.37.72.38.22.3
301-400 stems/ha..2.31.32.01.2
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
GR0-100 stems/ha66.75.864.41.364.51.2
101-200 stems/ha22.75.226.51.226.41.1
201-300 stems/ha10.53.87.30.77.40.7
301-400 stems/ha..1.80.31.70.3
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/ha90.09.460.92.761.82.7
101-200 stems/ha10.09.534.52.633.72.6
201-300 stems/ha..4.31.14.21.1
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/ha52.335.352.02.452.02.4
101-200 stems/ha..35.62.335.42.3
201-300 stems/ha..10.81.510.81.5
301-400 stems/ha47.735.31.40.61.60.6
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/ha50.035.457.42.957.42.9
101-200 stems/ha..39.02.938.72.9
201-300 stems/ha50.035.43.21.03.51.1
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/ha100.0.68.65.670.35.3
101-200 stems/ha..21.44.920.24.7
201-300 stems/ha..8.63.48.13.2
301-400 stems/ha..1.41.41.41.4
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
OW0-100 stems/ha50.025.054.23.754.13.7
101-200 stems/ha50.025.029.63.430.13.4
201-300 stems/ha..14.02.613.72.5
301-400 stems/ha..1.71.01.60.9
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/ha42.913.250.32.250.12.2
101-200 stems/ha42.913.233.62.133.92.1
201-300 stems/ha14.39.412.71.512.71.5
301-400 stems/ha..3.00.82.90.7
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/ha100.0.70.33.970.63.9
101-200 stems/ha..26.34.026.14.0
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......
total100.0.100.0.100.0.
SO0-100 stems/ha100.0.62.52.863.02.7
101-200 stems/ha..30.62.630.22.6
201-300 stems/ha..5.91.35.81.3
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/ha33.313.655.03.254.03.1
101-200 stems/ha50.014.433.23.034.02.9
201-300 stems/ha16.710.811.02.011.32.0
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/ha89.03.785.71.186.01.1
101-200 stems/ha9.63.412.71.112.41.0
201-300 stems/ha1.41.41.50.41.50.4
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/ha62.59.867.84.466.94.0
101-200 stems/ha33.39.623.24.025.03.7
201-300 stems/ha4.24.18.92.78.12.3
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/ha75.015.365.11.665.11.6
101-200 stems/ha25.015.328.71.528.71.5
201-300 stems/ha..5.00.75.00.7
301-400 stems/ha..1.20.41.20.4
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
VS0-100 stems/ha76.65.372.31.472.61.4
101-200 stems/ha21.85.223.01.422.91.3
201-300 stems/ha..4.50.74.20.6
301-400 stems/ha1.61.50.20.10.30.2
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total100.0.100.0.100.0.
ZG0-100 stems/ha..53.46.453.46.4
101-200 stems/ha..39.76.439.76.4
201-300 stems/ha..6.93.36.93.3
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..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/ha69.32.562.30.562.50.5
101-200 stems/ha24.12.328.40.428.30.4
201-300 stems/ha5.71.27.80.37.80.3
301-400 stems/ha0.80.51.30.11.30.1
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 #155683/142062

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stand stability · 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 assignedstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a....0.5453.4170.3584.215
critical....1.7245.4140.7387.711
less stable1.6250.2716.11332.057.91147.84
stable2.321..4.01624.665.41336.45
total4.0160.27112.3965.3414.3896.13
outside perimetern/a7.4128.71113.9817.574.21551.64
critical5.61312.2912.4922.574.31557.14
less stable74.93106.12102.42113.8356.84454.01
stable105.0299.4369.93112.1350.54436.91
total192.91226.41198.61265.91115.72999.51
totaln/a7.4128.71114.4820.974.51555.84
critical5.61312.2914.1827.965.01464.84
less stable76.53106.32108.52145.9264.73501.81
stable107.4299.4373.93136.7255.94473.21
total196.91226.61210.81331.31130.121095.71

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155684/142063

NFI1

forest area: avalanches 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
avalanches SilvaProtect, modelled and assignedstand stability %± %± %± %± %± %± %±
inside perimetern/a..5.31.66.42.15.21.43.31.32.11.24.30.7
critical..12.12.311.52.76.01.58.22.04.81.88.10.9
less stable43.97.854.63.554.24.238.63.153.33.755.24.149.91.6
stable56.17.728.03.127.83.850.23.235.33.537.94.037.71.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a3.80.36.30.68.80.97.91.04.60.63.60.55.20.2
critical4.30.36.80.67.40.87.81.08.60.83.80.65.70.2
less stable43.20.851.81.248.41.533.41.745.61.549.11.545.50.5
stable48.70.835.11.135.41.550.81.841.21.543.61.443.70.5
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 #155685/142064

NFI1

forest area: avalanches 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
avalanches SilvaProtect, modelled and assignedstand stability1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a..1.1300.9331.3280.6410.3584.215
critical..2.5201.6251.5261.5260.7387.811
less stable1.82411.397.6119.5109.8107.91147.94
stable2.3215.8133.91612.396.5125.41336.25
total4.11620.7714.0824.5618.4714.3896.03
outside perimetern/a16.1810.999.4106.0135.1144.21551.64
critical17.9711.897.9115.9139.4104.31557.24
less stable181.2290.0351.6425.2649.9456.84454.61
stable204.3260.9437.7538.3445.1450.54436.81
total419.41173.62106.6275.33109.52115.721000.21
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 #155686/142065

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stand stability · 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 regionstand stability %± %± %±
Western Juran/a..3.50.53.40.5
critical..2.60.42.50.4
less stable41.07.936.91.337.01.3
stable59.07.957.01.357.11.3
total100.0.100.0.100.0.
Eastern Juran/a..4.81.04.81.0
critical..4.00.94.00.9
less stable..44.92.344.92.3
stable..46.22.346.22.3
total..100.0.100.0.
Western Plateaun/a..4.61.04.61.0
critical..4.20.94.20.9
less stable..32.42.232.42.2
stable..58.72.358.72.3
total..100.0.100.0.
Central Plateaun/a..3.70.73.70.7
critical..7.21.07.21.0
less stable100.0.53.01.953.11.9
stable..36.11.836.01.8
total100.0.100.0.100.0.
Eastern Plateaun/a..3.60.63.60.6
critical..4.70.64.70.6
less stable..49.11.549.11.5
stable..42.61.542.61.5
total..100.0.100.0.
Western Pre-Alpsn/a8.74.27.91.48.01.3
critical15.25.39.51.510.11.5
less stable37.07.148.02.646.82.4
stable39.17.234.62.435.12.3
total100.0.100.0.100.0.
Central Pre-Alpsn/a1.91.95.70.85.50.7
critical11.54.45.70.86.00.8
less stable61.56.754.71.655.11.6
stable25.06.033.91.533.51.5
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a..8.31.18.01.0
critical16.07.35.20.95.60.9
less stable48.010.049.21.949.11.9
stable36.09.637.31.937.31.8
total100.0.100.0.100.0.
Northwestern Alpsn/a5.52.26.21.26.11.0
critical11.03.06.91.27.81.2
less stable58.74.748.82.450.92.2
stable24.84.138.02.435.32.1
total100.0.100.0.100.0.
Central Alpsn/a3.62.59.92.38.41.8
critical14.34.78.82.210.12.0
less stable66.16.357.13.859.43.3
stable16.14.924.13.322.12.8
total100.0.100.0.100.0.
Northeastern Alpsn/a11.94.29.41.99.91.8
critical6.83.312.92.211.61.9
less stable45.86.539.63.340.82.9
stable35.66.238.23.237.72.9
total100.0.100.0.100.0.
Southwestern Alpsn/a5.21.47.91.07.30.8
critical6.01.57.81.07.30.8
less stable38.63.133.41.734.71.5
stable50.23.250.81.850.71.6
total100.0.100.0.100.0.
Southeastern Alpsn/a3.31.34.60.64.40.6
critical8.22.08.60.88.50.8
less stable53.33.745.61.546.71.4
stable35.33.541.21.540.41.4
total100.0.100.0.100.0.
Southern Alpsn/a2.11.23.60.53.40.5
critical4.81.83.80.63.90.5
less stable55.24.149.11.549.71.4
stable37.94.043.61.443.01.4
total100.0.100.0.100.0.
Switzerlandn/a4.30.75.20.25.10.2
critical8.10.95.70.25.90.2
less stable49.91.645.40.545.80.5
stable37.71.643.70.543.20.5
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155687/142066

NFI1

forest area: avalanches 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
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstand stability1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..5.2145.214
critical..3.7163.716
less stable1.62554.0455.64
stable2.32183.4385.83
total3.916146.31150.31
Eastern Juran/a..2.3212.321
critical..1.9231.923
less stable..21.0621.06
stable..21.6521.65
total..46.7246.72
Western Plateaun/a..2.3212.321
critical..2.1222.122
less stable..15.9715.97
stable..28.8428.84
total..49.1249.12
Central Plateaun/a..2.5192.519
critical..4.9144.914
less stable0.27135.9436.14
stable..24.5524.55
total0.27167.9268.12
Eastern Plateaun/a..3.9163.916
critical..5.2145.214
less stable..53.7353.73
stable..46.6446.64
total..109.41109.41
Western Pre-Alpsn/a0.4503.0183.417
critical0.7383.6164.315
less stable1.72418.0619.76
stable1.82313.0814.77
total4.61437.5342.03
Central Pre-Alpsn/a0.11005.3145.413
critical0.6415.3135.913
less stable3.21751.1354.23
stable1.32831.7532.95
total5.21493.3298.42
Eastern Pre-Alpsn/a..5.6135.613
critical0.4503.5173.916
less stable1.22933.4434.64
stable0.93325.3526.25
total2.52067.8270.32
Northwestern Alpsn/a0.6412.6193.317
critical1.2293.0184.215
less stable6.51220.8627.35
stable2.81916.2718.97
total11.1942.6453.73
Central Alpsn/a0.2711.7241.923
critical0.8351.5262.420
less stable3.81610.0913.87
stable0.9334.2155.113
total5.81217.4623.25
Northeastern Alpsn/a0.7382.1222.819
critical0.4502.9183.317
less stable2.7198.81011.58
stable2.1218.51010.69
total5.81222.3528.24
Southwestern Alpsn/a1.3286.0137.211
critical1.5265.9137.311
less stable9.51025.2634.65
stable12.3938.3450.54
total24.5675.3399.72
Southeastern Alpsn/a0.6415.1145.713
critical1.5269.41010.99
less stable9.81049.9459.73
stable6.51245.1451.64
total18.47109.52127.92
Southern Alpsn/a0.3584.2154.515
critical0.7384.3155.014
less stable7.91156.8464.73
stable5.41350.5455.94
total14.38115.72130.12
Switzerlandn/a4.21551.7455.84
critical7.81157.1464.94
less stable48.14454.41502.51
stable36.35437.61473.81
total96.331000.711097.01

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155688/142067
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