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NFI2

forest area: avalanches SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %±
inside perimetern/a............
less than 10 years ago61.513.5..31.47.929.73.58.64.728.72.8
11-20 years ago15.410.0..25.77.418.93.014.45.919.02.4
21-30 years ago7.77.4..25.77.418.32.98.64.717.42.4
31-40 years ago15.410.0..5.73.913.12.614.35.912.42.0
41-50 years ago....2.92.86.31.82.92.85.01.4
over 50 years ago....8.54.713.72.651.48.517.52.4
total100.0...100.0.100.0.100.0.100.0.
outside perimetern/a......0.10.1..0.00.0
less than 10 years ago54.32.269.31.844.82.231.71.710.91.845.20.9
11-20 years ago27.92.021.41.629.32.019.61.59.91.722.50.8
21-30 years ago8.61.25.10.910.31.311.01.29.01.68.80.5
31-40 years ago5.01.01.70.54.30.99.01.19.91.75.70.4
41-50 years ago1.50.50.90.43.90.87.10.915.92.14.90.4
over 50 years ago2.70.71.60.57.31.121.41.544.32.912.80.6
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a......0.10.1..0.00.0
less than 10 years ago54.52.269.31.844.02.131.31.510.71.743.80.9
11-20 years ago27.61.921.41.629.01.919.51.310.41.722.20.8
21-30 years ago8.61.25.10.911.31.312.41.18.91.69.50.5
31-40 years ago5.21.01.70.54.40.99.81.010.41.76.20.4
41-50 years ago1.50.50.90.43.90.86.90.814.61.94.90.4
over 50 years ago2.60.71.60.57.41.119.91.345.02.713.20.6
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 #156528/142907

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a............
less than 10 years ago2.935..4.03018.0141.15825.911
11-20 years ago0.771..3.23311.4171.84517.214
21-30 years ago0.4100..3.23311.1171.15815.715
31-40 years ago0.771..0.7717.9211.84511.218
41-50 years ago....0.41003.8300.41004.528
over 50 years ago....1.1588.3206.42315.815
total4.727..12.61660.5712.41690.36
outside perimetern/a......0.3100..0.3100
less than 10 years ago103.74156.7386.1580.6611.717438.92
11-20 years ago53.3748.5856.2749.9810.618218.64
21-30 years ago16.41411.61719.81328.0119.61985.46
31-40 years ago9.5193.9308.32022.81210.61855.18
41-50 years ago2.9352.1417.62118.01417.01447.68
over 50 years ago5.1263.53114.11654.4747.37124.55
total190.92226.31192.12254.22106.94970.41
totaln/a......0.3100..0.3100
less than 10 years ago106.64156.7390.1598.6512.816464.82
11-20 years ago54.0748.5859.5761.3712.416235.73
21-30 years ago16.81411.61723.11239.1910.618101.26
31-40 years ago10.2183.9309.02030.81012.41666.37
41-50 years ago2.9352.1417.92121.81217.41452.18
over 50 years ago5.1263.53115.11562.7753.77140.25
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156529/142908

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
inside perimetern/a..............
less than 10 years ago61.613.530.46.143.67.923.95.127.36.78.64.728.72.8
11-20 years ago15.410.030.46.110.34.915.54.322.76.314.45.919.12.5
21-30 years ago7.77.421.45.525.67.012.84.022.76.38.64.717.52.4
31-40 years ago15.410.07.13.410.34.921.14.84.53.114.35.912.32.0
41-50 years ago..3.62.55.13.58.43.34.53.12.92.85.01.4
over 50 years ago..7.13.45.13.518.34.618.25.851.48.517.42.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a......0.50.5....0.00.0
less than 10 years ago62.51.443.92.341.52.921.32.933.22.710.91.845.30.9
11-20 years ago24.31.326.72.027.72.610.92.223.72.59.91.722.50.8
21-30 years ago6.70.711.21.58.41.613.42.410.51.89.01.68.80.5
31-40 years ago3.20.54.20.96.01.412.92.48.51.69.91.75.70.4
41-50 years ago1.20.34.00.95.01.311.92.35.11.315.92.14.90.4
over 50 years ago2.10.410.01.411.41.829.23.219.02.344.32.912.80.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a......0.40.4....0.00.0
less than 10 years ago62.51.442.42.241.82.722.02.532.42.510.71.743.90.9
11-20 years ago24.21.227.11.925.72.412.12.023.62.310.41.722.20.8
21-30 years ago6.70.712.31.410.41.713.22.112.11.88.91.69.50.5
31-40 years ago3.30.54.50.96.51.315.02.28.01.510.41.76.20.4
41-50 years ago1.20.34.00.95.01.211.01.95.01.214.61.94.90.4
over 50 years ago2.00.49.71.310.61.726.42.718.92.145.02.713.20.6
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 #156530/142909

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches 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..............
less than 10 years ago2.9356.1245.9245.8244.2281.15826.011
11-20 years ago0.7716.1241.4503.8303.5311.84517.314
21-30 years ago0.41004.3293.4313.1333.5311.15815.815
31-40 years ago0.7711.4501.4505.1250.7711.84511.218
41-50 years ago..0.7710.7712.1410.7710.41004.528
over 50 years ago..1.4500.7714.5272.8356.42315.815
total4.72820.21313.41524.41115.51412.41690.56
outside perimetern/a......0.3100....0.3100
less than 10 years ago261.1274.7642.9814.71434.4911.717439.42
11-20 years ago101.6545.4828.6107.52124.61110.618218.44
21-30 years ago27.91119.1138.6199.31910.9179.61985.46
31-40 years ago13.2167.2226.2239.0198.81910.61855.08
41-50 years ago5.0276.9235.2258.2205.32517.01447.58
over 50 years ago8.62016.91411.71620.21219.61347.37124.55
total417.41170.22103.2369.35103.63106.94970.61
totaln/a......0.3100....0.3100
less than 10 years ago264.0280.8548.7720.61238.6812.816465.42
11-20 years ago102.3551.6730.01011.31728.11012.416235.73
21-30 years ago28.31123.41212.11612.41614.41510.618101.26
31-40 years ago14.0168.7207.62114.1159.51912.41666.27
41-50 years ago5.0277.6225.92410.3186.02417.41452.18
over 50 years ago8.62018.41312.41624.71122.51253.77140.35
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156531/142910

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years) %± %± %±
Western Juran/a......
less than 10 years ago61.713.552.22.552.52.4
11-20 years ago15.310.029.02.328.52.2
21-30 years ago7.77.49.21.49.11.4
31-40 years ago15.310.04.71.15.01.1
41-50 years ago..1.50.61.40.6
over 50 years ago..3.50.93.40.9
total100.0.100.0.100.0.
Eastern Juran/a......
less than 10 years ago..61.44.561.44.5
11-20 years ago..24.43.924.43.9
21-30 years ago..6.62.36.62.3
31-40 years ago..5.92.25.92.2
41-50 years ago..1.71.21.71.2
over 50 years ago......
total..100.0.100.0.
Western Plateaun/a......
less than 10 years ago..55.44.755.44.7
11-20 years ago..23.64.023.64.0
21-30 years ago..8.72.68.72.6
31-40 years ago..5.22.15.22.1
41-50 years ago..3.51.73.51.7
over 50 years ago..3.51.73.51.7
total..100.0.100.0.
Central Plateaun/a......
less than 10 years ago..70.03.170.03.1
11-20 years ago..24.02.924.02.9
21-30 years ago..2.71.12.71.1
31-40 years ago..0.90.60.90.6
41-50 years ago..0.90.60.90.6
over 50 years ago..1.40.81.40.8
total..100.0.100.0.
Eastern Plateaun/a......
less than 10 years ago..73.72.573.72.5
11-20 years ago..18.82.218.82.2
21-30 years ago..5.51.35.51.3
31-40 years ago..1.00.61.00.6
41-50 years ago......
over 50 years ago..1.00.61.00.6
total..100.0.100.0.
Western Pre-Alpsn/a......
less than 10 years ago12.611.833.94.732.44.5
11-20 years ago37.717.227.24.427.94.3
21-30 years ago37.717.217.53.819.03.7
31-40 years ago..4.92.14.52.0
41-50 years ago..4.92.14.52.0
over 50 years ago12.011.211.73.211.73.1
total100.0.100.0.100.0.
Central Pre-Alpsn/a......
less than 10 years ago31.610.750.23.248.93.1
11-20 years ago31.610.729.42.929.52.8
21-30 years ago10.57.19.41.99.51.8
31-40 years ago10.57.12.41.03.01.1
41-50 years ago5.35.12.00.92.30.9
over 50 years ago10.57.16.51.66.81.6
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a......
less than 10 years ago50.017.743.83.744.03.6
11-20 years ago..30.33.429.03.3
21-30 years ago50.017.77.61.99.32.1
31-40 years ago..6.51.86.21.7
41-50 years ago..5.91.75.71.7
over 50 years ago..5.91.75.71.7
total100.0.100.0.100.0.
Northwestern Alpsn/a......
less than 10 years ago34.58.839.54.438.63.9
11-20 years ago27.68.321.03.722.23.4
21-30 years ago24.18.09.72.712.42.7
31-40 years ago6.94.77.22.37.22.1
41-50 years ago3.43.47.32.36.52.0
over 50 years ago3.43.415.33.213.12.7
total100.0.100.0.100.0.
Central Alpsn/a......
less than 10 years ago42.913.340.17.040.76.2
11-20 years ago7.16.917.95.415.64.5
21-30 years ago21.411.010.14.312.64.2
31-40 years ago21.411.02.02.06.23.0
41-50 years ago..2.02.01.61.6
over 50 years ago7.16.927.96.323.35.3
total100.0.100.0.100.0.
Northeastern Alpsn/a......
less than 10 years ago41.212.036.56.137.55.4
11-20 years ago17.69.327.05.625.04.9
21-30 years ago17.69.39.53.711.23.5
31-40 years ago5.95.77.93.47.53.0
41-50 years ago11.87.84.82.76.22.7
over 50 years ago5.95.714.34.412.53.7
total100.0.100.0.100.0.
Southwestern Alpsn/a..0.50.50.40.4
less than 10 years ago23.95.121.32.922.02.5
11-20 years ago15.54.310.92.212.12.0
21-30 years ago12.84.013.42.413.22.1
31-40 years ago21.14.812.92.415.02.2
41-50 years ago8.43.311.92.311.01.9
over 50 years ago18.34.629.23.226.42.7
total100.0.100.0.100.0.
Southeastern Alpsn/a......
less than 10 years ago27.36.733.22.732.42.5
11-20 years ago22.76.323.72.523.62.3
21-30 years ago22.76.310.51.812.11.8
31-40 years ago4.53.18.51.68.01.5
41-50 years ago4.53.15.11.35.01.2
over 50 years ago18.25.819.02.318.92.1
total100.0.100.0.100.0.
Southern Alpsn/a......
less than 10 years ago8.64.710.91.810.71.7
11-20 years ago14.45.99.91.710.41.7
21-30 years ago8.64.79.01.68.91.6
31-40 years ago14.35.99.91.710.41.7
41-50 years ago2.92.815.92.114.61.9
over 50 years ago51.48.544.32.945.02.7
total100.0.100.0.100.0.
Switzerlandn/a..0.00.00.00.0
less than 10 years ago28.72.845.10.943.70.9
11-20 years ago19.12.522.50.822.20.8
21-30 years ago17.52.48.90.59.60.5
31-40 years ago12.32.05.70.46.30.4
41-50 years ago5.01.44.90.44.90.4
over 50 years ago17.42.312.80.613.20.6
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156532/142911

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
Western Juran/a......
less than 10 years ago2.93575.3578.15
11-20 years ago0.77141.8842.58
21-30 years ago0.410013.21613.616
31-40 years ago0.7716.8237.521
41-50 years ago..2.1412.141
over 50 years ago..5.0265.026
total4.627144.22148.92
Eastern Juran/a......
less than 10 years ago..28.9828.98
11-20 years ago..11.51611.516
21-30 years ago..3.1353.135
31-40 years ago..2.8372.837
41-50 years ago..0.8700.870
over 50 years ago......
total..47.0347.03
Western Plateaun/a......
less than 10 years ago..26.1926.19
11-20 years ago..11.11711.117
21-30 years ago..4.1304.130
31-40 years ago..2.5402.540
41-50 years ago..1.6491.649
over 50 years ago..1.6491.649
total..47.2447.24
Central Plateaun/a......
less than 10 years ago..48.1548.15
11-20 years ago..16.51216.512
21-30 years ago..1.9401.940
31-40 years ago..0.6710.671
41-50 years ago..0.6710.671
over 50 years ago..1.0581.058
total..68.7268.72
Eastern Plateaun/a......
less than 10 years ago..81.1481.14
11-20 years ago..20.71220.712
21-30 years ago..6.1246.124
31-40 years ago..1.1581.158
41-50 years ago......
over 50 years ago..1.1581.158
total..110.12110.12
Western Pre-Alpsn/a......
less than 10 years ago0.410012.91513.314
11-20 years ago1.15710.41711.516
21-30 years ago1.1576.7227.820
31-40 years ago..1.9441.944
41-50 years ago..1.9441.944
over 50 years ago0.41004.4284.827
total2.93538.1541.14
Central Pre-Alpsn/a......
less than 10 years ago2.24044.1746.37
11-20 years ago2.24025.81028.010
21-30 years ago0.7718.2209.019
31-40 years ago0.7712.2402.935
41-50 years ago0.41001.8442.240
over 50 years ago0.7715.7246.523
total6.82287.8394.72
Eastern Pre-Alpsn/a......
less than 10 years ago1.45028.9930.49
11-20 years ago..20.01220.012
21-30 years ago1.4505.0266.423
31-40 years ago..4.3284.328
41-50 years ago..3.9293.929
over 50 years ago..3.9293.929
total2.93566.1368.93
Northwestern Alpsn/a......
less than 10 years ago3.63117.51321.111
11-20 years ago2.9359.31812.116
21-30 years ago2.5374.3286.822
31-40 years ago0.7713.2333.929
41-50 years ago0.41003.2333.631
over 50 years ago0.41006.8227.221
total10.41744.3654.74
Central Alpsn/a......
less than 10 years ago2.1406.9219.018
11-20 years ago0.31003.1323.430
21-30 years ago1.0571.7442.834
31-40 years ago1.0570.31001.449
41-50 years ago..0.31000.3100
over 50 years ago0.31004.8255.224
total4.82517.31122.18
Northeastern Alpsn/a......
less than 10 years ago2.5378.21910.716
11-20 years ago1.1576.1237.221
21-30 years ago1.1572.1403.232
31-40 years ago0.41001.8442.140
41-50 years ago0.7701.1571.844
over 50 years ago0.41003.2323.630
total6.12222.6928.76
Southwestern Alpsn/a..0.31000.3100
less than 10 years ago5.82414.71420.612
11-20 years ago3.8307.52111.317
21-30 years ago3.1339.31912.416
31-40 years ago5.1259.01914.115
41-50 years ago2.1418.22010.318
over 50 years ago4.52720.21224.711
total24.41169.3593.73
Southeastern Alpsn/a......
less than 10 years ago4.22834.4938.68
11-20 years ago3.53124.61128.110
21-30 years ago3.53110.91714.415
31-40 years ago0.7718.8199.519
41-50 years ago0.7715.3256.024
over 50 years ago2.83519.61322.512
total15.514103.63119.03
Southern Alpsn/a......
less than 10 years ago1.15811.71712.816
11-20 years ago1.84510.61812.416
21-30 years ago1.1589.61910.618
31-40 years ago1.84510.61812.416
41-50 years ago0.410017.01417.414
over 50 years ago6.42347.3753.77
total12.416106.94119.33
Switzerlandn/a..0.31000.3100
less than 10 years ago26.111439.02465.12
11-20 years ago17.314219.04236.33
21-30 years ago15.91586.26102.16
31-40 years ago11.11755.7866.97
41-50 years ago4.52847.9852.58
over 50 years ago15.815124.95140.75
total90.86973.211063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156533/142912

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigneddegree of mixture %± %± %± %± %± %± %±
inside perimetern/a....1.01.03.12.1....1.20.7
pure conifer forest7.77.4..55.84.986.54.289.25.186.45.770.32.8
mixed conifer forest53.913.8..23.14.16.02.92.72.75.53.814.92.2
mixed broadleaf forest38.413.5..14.43.41.51.52.72.7..8.61.7
pure broadleaf forest....5.82.33.02.15.43.78.14.55.11.4
total100.0...100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.40.30.40.21.70.5..0.80.61.30.60.90.2
pure conifer forest27.22.032.01.751.21.872.83.385.62.325.12.543.00.9
mixed conifer forest29.92.028.71.723.31.510.52.33.41.28.51.621.80.8
mixed broadleaf forest21.11.817.81.412.21.26.11.84.21.37.81.513.80.7
pure broadleaf forest21.51.821.01.511.61.110.52.35.91.557.32.820.50.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.30.40.21.60.40.80.60.70.51.20.60.90.2
pure conifer forest26.71.932.01.751.81.776.52.786.12.131.72.545.40.9
mixed conifer forest30.52.028.71.723.21.49.31.83.31.18.21.521.20.7
mixed broadleaf forest21.51.817.81.412.41.14.91.44.01.27.01.413.30.6
pure broadleaf forest20.91.821.01.510.91.08.51.85.91.452.02.719.20.7
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 #156534/142913

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigneddegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a....0.41000.771....1.158
pure conifer forest0.4100..20.61319.81211.71711.41763.87
mixed conifer forest2.538..8.5201.4500.41000.77113.516
mixed broadleaf forest1.845..5.3260.31000.4100..7.821
pure broadleaf forest....2.1410.7710.7711.1584.628
total4.727..36.9922.91113.11613.21690.86
outside perimetern/a0.7711.1584.828..0.7711.4508.720
pure conifer forest50.1781.36142.3444.9771.6527.411417.62
mixed conifer forest55.1772.8664.676.5222.8359.319211.24
mixed broadleaf forest38.9945.3833.8103.8303.5318.520133.85
pure broadleaf forest39.6953.4732.3106.5225.02662.66199.44
total184.52253.91277.7261.6583.64109.24970.61
totaln/a0.7711.1585.1270.7710.7711.4509.719
pure conifer forest50.4781.36162.9464.7583.3438.89481.42
mixed conifer forest57.6772.8673.167.9203.23310.018224.64
mixed broadleaf forest40.7845.3839.194.1283.9308.520141.65
pure broadleaf forest39.6953.4734.4107.2215.72563.76203.94
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156535/142914

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of mixture %± %± %±
AGn/a......
pure conifer forest..21.53.721.53.7
mixed conifer forest..23.13.823.13.8
mixed broadleaf forest..24.03.924.03.9
pure broadleaf forest..31.44.231.44.2
total..100.0.100.0.
AIn/a......
pure conifer forest66.727.958.314.560.012.9
mixed conifer forest33.328.041.714.640.013.0
mixed broadleaf forest......
pure broadleaf forest......
total100.0.100.0.100.0.
ARn/a..4.24.24.04.0
pure conifer forest100.0.45.810.348.010.1
mixed conifer forest..41.710.240.09.9
mixed broadleaf forest..4.24.24.04.0
pure broadleaf forest..4.24.24.04.0
total100.0.100.0.100.0.
BEn/a..1.40.61.30.5
pure conifer forest58.57.748.52.449.32.3
mixed conifer forest24.56.727.02.126.82.0
mixed broadleaf forest17.05.912.21.612.71.5
pure broadleaf forest..10.91.59.91.4
total100.0.100.0.100.0.
BL/BSn/a......
pure conifer forest..14.65.114.65.1
mixed conifer forest..12.84.912.84.9
mixed broadleaf forest..21.46.021.46.0
pure broadleaf forest..51.37.351.37.3
total..100.0.100.0.
FRn/a......
pure conifer forest66.727.351.44.951.84.8
mixed conifer forest..20.63.920.03.8
mixed broadleaf forest33.327.311.23.111.83.1
pure broadleaf forest..16.83.616.43.5
total100.0.100.0.100.0.
GEn/a......
pure conifer forest..21.019.921.019.9
mixed conifer forest......
mixed broadleaf forest..21.019.921.019.9
pure broadleaf forest..58.123.758.123.7
total..100.0.100.0.
GLn/a......
pure conifer forest60.015.629.08.236.67.6
mixed conifer forest20.012.829.08.226.87.0
mixed broadleaf forest10.09.66.54.57.34.1
pure broadleaf forest10.09.635.58.729.37.2
total100.0.100.0.100.0.
GRn/a..0.90.50.70.4
pure conifer forest82.25.175.02.376.02.1
mixed conifer forest7.13.48.81.58.61.4
mixed broadleaf forest1.81.84.81.14.41.0
pure broadleaf forest8.93.810.51.610.31.5
total100.0.100.0.100.0.
JUn/a......
pure conifer forest..25.94.825.34.7
mixed conifer forest50.035.524.64.725.24.7
mixed broadleaf forest50.035.518.84.319.64.3
pure broadleaf forest..30.65.029.94.9
total100.0.100.0.100.0.
LUn/a..1.61.11.61.1
pure conifer forest50.035.552.84.552.84.5
mixed conifer forest50.035.527.64.027.94.0
mixed broadleaf forest..9.72.79.62.6
pure broadleaf forest..8.32.58.12.5
total100.0.100.0.100.0.
NEn/a..1.51.51.41.4
pure conifer forest33.327.448.55.548.05.4
mixed conifer forest33.327.430.35.130.45.0
mixed broadleaf forest33.327.46.12.67.02.8
pure broadleaf forest..13.63.813.13.7
total100.0.100.0.100.0.
NWn/a......
pure conifer forest33.327.835.713.135.311.8
mixed conifer forest33.327.828.612.329.411.3
mixed broadleaf forest..7.17.05.95.8
pure broadleaf forest33.327.828.612.329.411.3
total100.0.100.0.100.0.
OWn/a..2.01.91.81.8
pure conifer forest40.022.143.67.343.27.0
mixed conifer forest..26.16.523.66.0
mixed broadleaf forest60.022.117.45.621.65.8
pure broadleaf forest..10.94.69.84.2
total100.0.100.0.100.0.
SGn/a..2.31.32.21.2
pure conifer forest50.015.828.34.029.93.9
mixed conifer forest10.09.533.14.231.44.0
mixed broadleaf forest30.014.522.13.722.63.6
pure broadleaf forest10.09.514.23.113.93.0
total100.0.100.0.100.0.
SHn/a......
pure conifer forest..22.27.022.27.0
mixed conifer forest..25.07.325.07.3
mixed broadleaf forest..25.07.325.07.3
pure broadleaf forest..27.87.527.87.5
total..100.0.100.0.
SOn/a......
pure conifer forest..12.03.612.03.6
mixed conifer forest..27.74.927.74.9
mixed broadleaf forest..36.15.336.15.3
pure broadleaf forest..24.14.724.14.7
total..100.0.100.0.
SZn/a16.715.3..1.41.4
pure conifer forest16.715.361.56.057.75.8
mixed conifer forest50.020.515.44.518.34.6
mixed broadleaf forest..12.34.111.33.8
pure broadleaf forest16.715.310.83.911.33.8
total100.0.100.0.100.0.
TGn/a..1.41.41.41.4
pure conifer forest..28.55.428.55.4
mixed conifer forest..35.65.735.65.7
mixed broadleaf forest..13.24.113.24.1
pure broadleaf forest..21.34.921.34.9
total..100.0.100.0.
TIn/a..1.20.71.10.6
pure conifer forest82.57.919.22.524.62.6
mixed conifer forest8.86.07.41.77.51.6
mixed broadleaf forest..7.81.77.11.6
pure broadleaf forest8.75.964.53.159.73.0
total100.0.100.0.100.0.
URn/a......
pure conifer forest88.910.546.98.655.67.6
mixed conifer forest11.110.511.65.511.54.9
mixed broadleaf forest..20.77.016.45.7
pure broadleaf forest..20.77.016.45.7
total100.0.100.0.100.0.
VDn/a..0.40.40.40.4
pure conifer forest30.014.534.33.134.13.0
mixed conifer forest50.015.828.93.029.72.9
mixed broadleaf forest20.012.720.32.620.32.6
pure broadleaf forest..16.12.415.42.3
total100.0.100.0.100.0.
VSn/a2.92.01.00.71.50.7
pure conifer forest84.44.368.43.372.52.7
mixed conifer forest7.03.011.42.210.21.8
mixed broadleaf forest2.82.07.41.86.21.5
pure broadleaf forest2.82.011.92.39.51.8
total100.0.100.0.100.0.
ZGn/a......
pure conifer forest..38.513.938.513.9
mixed conifer forest..23.112.123.112.1
mixed broadleaf forest..23.112.123.112.1
pure broadleaf forest..15.410.415.410.4
total..100.0.100.0.
ZHn/a......
pure conifer forest..26.63.726.63.7
mixed conifer forest..31.53.931.53.9
mixed broadleaf forest..23.13.523.13.5
pure broadleaf forest..18.93.318.93.3
total..100.0.100.0.
Switzerlandn/a1.20.70.90.20.90.2
pure conifer forest70.12.842.60.944.90.9
mixed conifer forest14.92.221.60.821.10.7
mixed broadleaf forest8.71.814.00.713.60.6
pure broadleaf forest5.11.420.90.719.60.7
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #156536/142915

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of mixture1000 ha± %1000 ha± %1000 ha± %
AGn/a......
pure conifer forest..10.51810.518
mixed conifer forest..11.31711.317
mixed broadleaf forest..11.71611.716
pure broadleaf forest..15.31415.314
total..48.7248.72
AIn/a......
pure conifer forest0.6692.3302.924
mixed conifer forest0.31001.6391.934
mixed broadleaf forest......
pure broadleaf forest......
total1.0543.9174.811
ARn/a..0.31000.3100
pure conifer forest0.31003.5233.822
mixed conifer forest..3.2253.225
mixed broadleaf forest..0.31000.3100
pure broadleaf forest..0.31000.3100
total0.31007.768.05
BEn/a..2.1412.141
pure conifer forest8.22071.8680.15
mixed conifer forest3.43140.1843.58
mixed broadleaf forest2.43818.11320.512
pure broadleaf forest..16.11416.114
total14.115148.22162.32
BL/BSn/a......
pure conifer forest..2.8362.836
mixed conifer forest..2.4392.439
mixed broadleaf forest..4.1294.129
pure broadleaf forest..9.8159.815
total..19.1619.16
FRn/a......
pure conifer forest0.77020.51021.310
mixed conifer forest..8.2198.219
mixed broadleaf forest0.41004.5284.926
pure broadleaf forest..6.7226.722
total1.15740.0441.13
GEn/a......
pure conifer forest..0.51000.5100
mixed conifer forest......
mixed broadleaf forest..0.51000.5100
pure broadleaf forest..1.3541.354
total..2.2342.234
GLn/a......
pure conifer forest2.3393.5315.822
mixed conifer forest0.8703.5314.227
mixed broadleaf forest0.41000.8701.257
pure broadleaf forest0.41004.2274.626
total3.92911.91215.88
GRn/a..1.0581.058
pure conifer forest16.11492.04108.14
mixed conifer forest1.45010.81712.216
mixed broadleaf forest0.31005.9246.323
pure broadleaf forest1.74512.91614.715
total19.613122.83142.33
JUn/a......
pure conifer forest..8.6198.619
mixed conifer forest0.41008.1198.519
mixed broadleaf forest0.41006.2236.622
pure broadleaf forest..10.11710.117
total0.87033.1333.93
LUn/a..0.6700.670
pure conifer forest0.310020.5920.89
mixed conifer forest0.310010.71511.015
mixed broadleaf forest..3.8283.828
pure broadleaf forest..3.2313.231
total0.67038.7339.33
NEn/a..0.41000.4100
pure conifer forest0.310012.81213.112
mixed conifer forest0.31008.0178.317
mixed broadleaf forest0.31001.6441.940
pure broadleaf forest..3.6293.629
total1.05726.4527.44
NWn/a......
pure conifer forest0.41001.9402.336
mixed conifer forest0.41001.5461.940
mixed broadleaf forest..0.41000.4100
pure broadleaf forest0.41001.5461.940
total1.2555.4176.513
OWn/a..0.31000.3100
pure conifer forest0.7707.5188.216
mixed conifer forest..4.5264.526
mixed broadleaf forest1.1573.0334.127
pure broadleaf forest..1.9431.943
total1.94317.2619.04
SGn/a..1.1581.158
pure conifer forest1.84413.01514.814
mixed conifer forest0.410015.21415.513
mixed broadleaf forest1.15710.11711.216
pure broadleaf forest0.41006.5226.922
total3.63145.9549.54
SHn/a......
pure conifer forest..2.8322.832
mixed conifer forest..3.2293.229
mixed broadleaf forest..3.2293.229
pure broadleaf forest..3.6273.627
total..12.8312.83
SOn/a......
pure conifer forest..3.8303.830
mixed conifer forest..8.7188.718
mixed broadleaf forest..11.41511.415
pure broadleaf forest..7.6207.620
total..31.4431.44
SZn/a0.4100..0.4100
pure conifer forest0.410014.51114.811
mixed conifer forest1.1573.6304.726
mixed broadleaf forest..2.9342.934
pure broadleaf forest0.41002.5362.934
total2.24023.5625.75
TGn/a..0.31000.3100
pure conifer forest..6.0196.019
mixed conifer forest..7.5167.516
mixed broadleaf forest..2.8322.832
pure broadleaf forest..4.5234.523
total..21.0421.04
TIn/a..1.1581.158
pure conifer forest6.82216.81423.611
mixed conifer forest0.7716.5237.222
mixed broadleaf forest..6.8226.822
pure broadleaf forest0.77156.5657.26
total8.32087.6495.94
URn/a......
pure conifer forest2.6345.3238.017
mixed conifer forest0.31001.3491.743
mixed broadleaf forest..2.4372.437
pure broadleaf forest..2.4372.437
total3.03111.41414.311
VDn/a..0.41000.4100
pure conifer forest1.15830.71031.89
mixed conifer forest1.94425.81127.710
mixed broadleaf forest0.87118.21318.913
pure broadleaf forest..14.41514.415
total3.83189.4393.23
VSn/a0.7710.7711.450
pure conifer forest20.61247.4768.05
mixed conifer forest1.7447.9209.618
mixed broadleaf forest0.7715.1255.824
pure broadleaf forest0.7718.2208.919
total24.41169.3593.73
ZGn/a......
pure conifer forest..2.1372.137
mixed conifer forest..1.3531.353
mixed broadleaf forest..1.3531.353
pure broadleaf forest..0.9680.968
total..5.695.69
ZHn/a......
pure conifer forest..13.41413.414
mixed conifer forest..15.91315.913
mixed broadleaf forest..11.61511.615
pure broadleaf forest..9.5189.518
total..50.4250.42
Switzerlandn/a1.1588.3209.419
pure conifer forest63.47414.42477.82
mixed conifer forest13.516210.84224.24
mixed broadleaf forest7.921136.65144.45
pure broadleaf forest4.628203.54208.24
total90.46973.611064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #156537/142916

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigneddegree of mixture %± %± %± %± %± %±
inside perimetern/a......1.71.0..1.20.7
pure conifer forest7.77.4..51.48.576.03.285.65.970.32.8
mixed conifer forest53.813.8..22.97.112.02.55.84.014.92.2
mixed broadleaf forest38.513.5..20.06.85.71.8..8.61.8
pure broadleaf forest....5.73.94.61.68.64.75.01.4
total100.0...100.0.100.0.100.0.100.0.
outside perimetern/a0.40.30.60.31.10.51.10.41.30.70.90.2
pure conifer forest25.61.932.11.851.62.266.61.725.22.543.00.9
mixed conifer forest28.72.028.91.827.41.911.81.28.31.621.80.8
mixed broadleaf forest22.01.818.01.510.31.39.31.17.31.513.80.7
pure broadleaf forest23.31.920.41.69.61.311.21.257.92.820.50.7
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.40.30.60.31.10.41.20.41.20.60.90.2
pure conifer forest25.21.932.11.851.62.168.41.531.52.545.30.9
mixed conifer forest29.32.028.91.827.11.911.91.18.01.521.20.7
mixed broadleaf forest22.41.818.01.510.91.38.60.96.51.313.40.6
pure broadleaf forest22.81.820.41.69.31.29.91.052.82.719.20.7
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 #156538/142917

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigneddegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a......1.158..1.158
pure conifer forest0.4100..6.52345.9810.61863.47
mixed conifer forest2.638..2.9357.3220.77113.416
mixed broadleaf forest1.845..2.5383.531..7.821
pure broadleaf forest....0.7712.8351.1584.528
total4.727..12.61660.5712.41690.36
outside perimetern/a0.7711.4502.2412.8351.4508.520
pure conifer forest48.9872.7699.15169.3426.911416.92
mixed conifer forest54.8765.3652.6730.1108.920211.74
mixed broadleaf forest42.0840.8919.81323.6127.821133.95
pure broadleaf forest44.5846.1818.41328.41161.96199.34
total190.92226.31192.12254.22106.94970.41
totaln/a0.7711.4502.2413.9301.4509.619
pure conifer forest49.3872.76105.64215.2337.59480.32
mixed conifer forest57.3765.3655.5737.499.619225.14
mixed broadleaf forest43.8840.8922.41227.0117.821141.75
pure broadleaf forest44.5846.1819.11331.21063.06203.84
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156539/142918

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigneddegree of mixture %± %± %± %± %± %± %±
inside perimetern/a....2.62.52.92.0....1.20.7
pure conifer forest7.77.458.96.659.07.984.44.379.56.185.65.970.32.8
mixed conifer forest53.913.821.45.520.56.57.03.09.14.35.84.014.82.2
mixed broadleaf forest38.413.517.95.110.34.92.82.02.32.2..8.61.8
pure broadleaf forest..1.81.87.74.32.82.09.14.38.64.75.01.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.50.21.30.51.40.71.00.70.70.51.30.70.90.2
pure conifer forest29.21.356.82.341.22.968.43.379.62.325.22.543.00.9
mixed conifer forest28.81.322.91.926.22.611.42.28.11.68.31.621.80.8
mixed broadleaf forest19.81.210.01.415.92.17.41.84.71.27.31.513.80.7
pure broadleaf forest21.71.29.11.315.42.111.92.36.81.557.92.820.50.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.50.21.10.51.50.71.50.70.60.41.20.60.90.2
pure conifer forest29.01.357.02.243.22.772.52.779.62.231.52.545.40.9
mixed conifer forest29.11.322.71.825.62.410.21.88.31.58.01.521.20.7
mixed broadleaf forest20.01.210.81.415.22.06.21.54.41.16.51.313.30.6
pure broadleaf forest21.41.28.31.214.51.99.51.87.11.452.82.719.20.7
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 #156540/142919

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigneddegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a....0.31000.771....1.158
pure conifer forest0.410011.9177.92020.61212.31610.61863.77
mixed conifer forest2.5384.3292.8351.7441.4500.77113.416
mixed broadleaf forest1.8453.6311.4500.7710.4100..7.821
pure broadleaf forest..0.41001.0580.7711.4501.1584.528
total4.72820.21313.41524.41115.51412.41690.56
outside perimetern/a2.2412.2411.4500.7710.7711.4508.520
pure conifer forest122.0596.6542.5847.4782.5526.911417.82
mixed conifer forest120.2538.9927.1107.9208.4208.920211.44
mixed broadleaf forest82.6616.91416.4145.1254.9267.821133.85
pure broadleaf forest90.5615.51515.9148.2207.12261.96199.14
total417.41170.22103.2369.35103.63106.94970.61
totaln/a2.2412.2411.8451.4500.7711.4509.619
pure conifer forest122.35108.5450.4768.0594.8437.59481.52
mixed conifer forest122.7543.3829.8109.6189.8189.619224.84
mixed broadleaf forest84.4620.61317.7135.8245.3257.821141.65
pure broadleaf forest90.5615.91516.9138.9198.52063.06203.64
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156541/142920

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of mixture %± %± %±
Western Juran/a..0.50.40.50.3
pure conifer forest7.77.428.72.328.12.2
mixed conifer forest54.013.832.22.332.92.3
mixed broadleaf forest38.313.519.32.019.92.0
pure broadleaf forest..19.32.018.71.9
total100.0.100.0.100.0.
Eastern Juran/a......
pure conifer forest..15.03.315.03.3
mixed conifer forest..16.83.416.83.4
mixed broadleaf forest..31.14.231.14.2
pure broadleaf forest..37.04.437.04.4
total..100.0.100.0.
Western Plateaun/a......
pure conifer forest..31.54.431.54.4
mixed conifer forest..24.54.024.54.0
mixed broadleaf forest..22.53.922.53.9
pure broadleaf forest..21.63.821.63.8
total..100.0.100.0.
Central Plateaun/a..1.40.81.40.8
pure conifer forest..39.73.339.73.3
mixed conifer forest..27.23.027.23.0
mixed broadleaf forest..14.02.314.02.3
pure broadleaf forest..17.82.617.82.6
total..100.0.100.0.
Eastern Plateaun/a..0.30.30.30.3
pure conifer forest..26.92.526.92.5
mixed conifer forest..31.82.731.82.7
mixed broadleaf forest..19.22.219.22.2
pure broadleaf forest..21.82.421.82.4
total..100.0.100.0.
Western Pre-Alpsn/a..1.01.00.90.9
pure conifer forest62.317.263.14.863.04.6
mixed conifer forest25.115.420.44.020.83.9
mixed broadleaf forest12.611.85.82.36.32.3
pure broadleaf forest..9.72.99.02.7
total100.0.100.0.100.0.
Central Pre-Alpsn/a..0.80.60.80.5
pure conifer forest47.411.554.73.254.23.1
mixed conifer forest26.310.126.92.826.92.7
mixed broadleaf forest21.19.49.81.910.61.9
pure broadleaf forest5.35.17.81.77.61.6
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a..1.60.91.60.9
pure conifer forest50.017.741.13.641.53.6
mixed conifer forest12.511.731.93.431.13.3
mixed broadleaf forest25.015.313.52.514.02.5
pure broadleaf forest12.511.711.92.411.92.3
total100.0.100.0.100.0.
Northwestern Alpsn/a..2.41.42.01.1
pure conifer forest65.58.855.64.557.54.0
mixed conifer forest17.27.016.93.417.03.0
mixed broadleaf forest17.27.013.73.114.42.8
pure broadleaf forest..11.32.99.22.3
total100.0.100.0.100.0.
Central Alpsn/a7.16.9..1.61.6
pure conifer forest64.312.849.97.153.06.3
mixed conifer forest28.612.110.04.214.04.3
mixed broadleaf forest..18.15.514.14.4
pure broadleaf forest..22.15.917.34.8
total100.0.100.0.100.0.
Northeastern Alpsn/a..1.61.61.31.3
pure conifer forest58.812.034.96.040.05.5
mixed conifer forest17.69.322.25.321.24.6
mixed broadleaf forest11.87.820.65.118.74.4
pure broadleaf forest11.87.820.65.118.74.4
total100.0.100.0.100.0.
Southwestern Alpsn/a2.92.01.00.71.50.7
pure conifer forest84.44.368.43.372.52.7
mixed conifer forest7.03.011.42.210.21.8
mixed broadleaf forest2.82.07.41.86.21.5
pure broadleaf forest2.82.011.92.39.51.8
total100.0.100.0.100.0.
Southeastern Alpsn/a..0.70.50.60.4
pure conifer forest79.56.179.62.379.62.2
mixed conifer forest9.14.38.11.68.31.5
mixed broadleaf forest2.32.24.71.24.41.1
pure broadleaf forest9.14.36.81.57.11.4
total100.0.100.0.100.0.
Southern Alpsn/a..1.30.71.20.6
pure conifer forest85.65.925.22.531.52.5
mixed conifer forest5.84.08.31.68.01.5
mixed broadleaf forest..7.31.56.51.3
pure broadleaf forest8.64.757.92.852.82.7
total100.0.100.0.100.0.
Switzerlandn/a1.20.70.90.20.90.2
pure conifer forest70.32.842.90.945.20.9
mixed conifer forest14.82.221.70.821.10.7
mixed broadleaf forest8.61.813.90.713.40.6
pure broadleaf forest5.11.420.60.719.30.7
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156542/142921

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · degree of mixture · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of mixture1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..0.7710.771
pure conifer forest0.410041.4841.88
mixed conifer forest2.53846.4748.97
mixed broadleaf forest1.84527.91029.610
pure broadleaf forest..27.81027.810
total4.627144.22148.92
Eastern Juran/a......
pure conifer forest..7.1227.122
mixed conifer forest..7.9217.921
mixed broadleaf forest..14.61414.614
pure broadleaf forest..17.41217.412
total..47.0347.03
Western Plateaun/a......
pure conifer forest..14.81414.814
mixed conifer forest..11.51711.517
mixed broadleaf forest..10.61810.618
pure broadleaf forest..10.21810.218
total..47.2447.24
Central Plateaun/a..0.9570.957
pure conifer forest..27.3827.38
mixed conifer forest..18.71118.711
mixed broadleaf forest..9.6179.617
pure broadleaf forest..12.21512.215
total..68.7268.72
Eastern Plateaun/a..0.41000.4100
pure conifer forest..29.7929.79
mixed conifer forest..35.0835.08
mixed broadleaf forest..21.11221.112
pure broadleaf forest..23.91123.911
total..110.12110.12
Western Pre-Alpsn/a..0.41000.4100
pure conifer forest1.84424.0925.99
mixed conifer forest0.7707.8208.519
mixed broadleaf forest0.41002.2402.637
pure broadleaf forest..3.7303.730
total2.93538.1541.14
Central Pre-Alpsn/a..0.7710.771
pure conifer forest3.23348.0751.36
mixed conifer forest1.84423.71125.510
mixed broadleaf forest1.4508.62010.018
pure broadleaf forest0.41006.8227.222
total6.82287.8394.72
Eastern Pre-Alpsn/a..1.1581.158
pure conifer forest1.45027.1928.69
mixed conifer forest0.410021.11121.411
mixed broadleaf forest0.7718.9199.618
pure broadleaf forest0.41007.9208.220
total2.93566.1368.93
Northwestern Alpsn/a..1.1581.158
pure conifer forest6.82224.71031.48
mixed conifer forest1.8447.5219.318
mixed broadleaf forest1.8446.1237.920
pure broadleaf forest..5.0265.026
total10.41744.3654.74
Central Alpsn/a0.3100..0.3100
pure conifer forest3.1328.61811.714
mixed conifer forest1.4491.7443.132
mixed broadleaf forest..3.1323.132
pure broadleaf forest..3.8293.829
total4.82517.31122.18
Northeastern Alpsn/a..0.41000.4100
pure conifer forest3.6307.92011.515
mixed conifer forest1.1575.0256.122
mixed broadleaf forest0.7704.7265.424
pure broadleaf forest0.7704.7265.424
total6.12222.6928.76
Southwestern Alpsn/a0.7710.7711.450
pure conifer forest20.61247.4768.05
mixed conifer forest1.7447.9209.618
mixed broadleaf forest0.7715.1255.824
pure broadleaf forest0.7718.2208.919
total24.41169.3593.73
Southeastern Alpsn/a..0.7710.771
pure conifer forest12.31682.5594.84
mixed conifer forest1.4508.4209.818
mixed broadleaf forest0.41004.9265.325
pure broadleaf forest1.4507.1228.520
total15.514103.63119.03
Southern Alpsn/a..1.4501.450
pure conifer forest10.61826.91137.59
mixed conifer forest0.7718.9209.619
mixed broadleaf forest..7.8217.821
pure broadleaf forest1.15861.9663.06
total12.416106.94119.33
Switzerlandn/a1.1588.4209.519
pure conifer forest63.87417.42481.22
mixed conifer forest13.516211.54225.04
mixed broadleaf forest7.821135.35143.15
pure broadleaf forest4.628200.64205.24
total90.86973.211063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156543/142922

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha15.410.0..18.33.825.45.324.37.132.67.722.92.6
101-200 stems/ha15.410.0..24.04.225.35.329.77.540.48.127.12.8
201-300 stems/ha46.213.8..18.33.822.45.118.96.416.26.120.52.5
301-400 stems/ha23.011.7..17.33.713.44.216.26.15.43.714.72.2
401-500 stems/ha....12.53.26.02.98.14.52.72.78.11.7
501- 600 stems/ha....6.72.54.52.52.72.7..4.31.3
more than 600 stems/ha....2.91.63.02.1..2.72.72.30.9
total100.0...100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha19.31.723.31.624.11.541.73.730.73.048.32.927.40.8
101-200 stems/ha29.12.023.11.624.81.527.73.330.03.021.82.425.50.8
201-300 stems/ha26.82.024.81.623.51.517.22.819.02.616.92.122.90.8
301-400 stems/ha14.11.516.61.413.01.29.52.211.82.17.81.513.20.6
401-500 stems/ha7.81.27.81.07.10.92.81.24.61.43.91.16.60.5
501- 600 stems/ha1.20.52.60.63.10.60.60.62.10.91.30.62.20.3
more than 600 stems/ha1.80.61.80.54.30.70.60.61.70.8..2.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha19.21.723.31.623.41.437.33.129.92.846.62.727.00.8
101-200 stems/ha28.82.023.11.624.71.427.12.830.02.823.82.325.60.8
201-300 stems/ha27.21.924.81.622.91.418.62.519.02.416.82.022.70.8
301-400 stems/ha14.31.516.61.413.51.210.52.012.42.07.61.413.40.6
401-500 stems/ha7.61.27.81.07.80.93.71.25.11.33.81.06.70.5
501- 600 stems/ha1.10.52.60.63.50.61.60.82.20.91.20.62.30.3
more than 600 stems/ha1.70.61.80.54.20.71.20.71.50.70.30.32.20.3
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, 07.11.2014 #156544/142923

NFI2

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 NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
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/ha0.771..6.7235.8243.2334.32920.813
101-200 stems/ha0.771..8.9205.8243.9305.32524.612
201-300 stems/ha2.241..6.7235.1252.5372.14118.614
301-400 stems/ha1.158..6.4233.1332.1410.77113.416
401-500 stems/ha....4.6281.4501.1580.41007.422
501- 600 stems/ha....2.5381.0580.4100..3.930
more than 600 stems/ha....1.1580.771..0.41002.141
total4.727..36.9922.91113.11613.21690.86
outside perimeter0-100 stems/ha35.7959.1767.0725.71025.71152.77265.83
101-200 stems/ha53.7758.7768.8717.11325.11123.811247.23
201-300 stems/ha49.3762.9765.2710.61715.91418.513222.54
301-400 stems/ha25.91142.1836.295.8249.9188.520128.55
401-500 stems/ha14.41519.81319.9131.7453.9304.32963.97
501- 600 stems/ha2.2416.7238.5200.31001.8441.45020.913
more than 600 stems/ha3.2334.62812.1170.31001.450..21.713
total184.52253.91277.7261.6583.64109.24970.61
total0-100 stems/ha36.4959.1773.7631.5928.91057.07286.63
101-200 stems/ha54.4758.7777.7622.91129.01029.110271.83
201-300 stems/ha51.5762.9772.0615.71418.41320.612241.13
301-400 stems/ha27.01142.1842.698.91912.0169.319141.95
401-500 stems/ha14.41519.81324.5123.1334.9264.62771.37
501- 600 stems/ha2.2416.72311.0181.4502.1411.45024.812
more than 600 stems/ha3.2334.62813.1161.0581.4500.410023.812
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #156545/142924

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstem count/ha (DBH >= 24cm, classified) %± %± %±
AG0-100 stems/ha..24.03.924.03.9
101-200 stems/ha..31.44.231.44.2
201-300 stems/ha..24.03.924.03.9
301-400 stems/ha..14.03.214.03.2
401-500 stems/ha..5.82.15.82.1
501- 600 stems/ha..0.80.80.80.8
more than 600 stems/ha......
total..100.0.100.0.
AI0-100 stems/ha..16.711.113.39.0
101-200 stems/ha......
201-300 stems/ha..16.711.113.39.0
301-400 stems/ha66.727.941.714.646.713.2
401-500 stems/ha33.328.08.38.213.39.0
501- 600 stems/ha..16.711.113.39.0
more than 600 stems/ha......
total100.0.100.0.100.0.
AR0-100 stems/ha..16.77.716.07.5
101-200 stems/ha..8.35.78.05.5
201-300 stems/ha..25.09.024.08.7
301-400 stems/ha..20.88.420.08.1
401-500 stems/ha..12.56.912.06.6
501- 600 stems/ha100.0...4.04.0
more than 600 stems/ha..16.77.716.07.5
total100.0.100.0.100.0.
BE0-100 stems/ha19.66.218.71.918.81.8
101-200 stems/ha19.46.227.02.126.42.0
201-300 stems/ha31.87.325.42.125.92.0
301-400 stems/ha12.25.115.91.815.61.7
401-500 stems/ha12.25.18.11.38.41.3
501- 600 stems/ha2.42.41.80.61.90.6
more than 600 stems/ha2.42.43.00.83.00.8
total100.0.100.0.100.0.
BL/BS0-100 stems/ha..21.46.021.46.0
101-200 stems/ha..40.67.240.67.2
201-300 stems/ha..10.74.610.74.6
301-400 stems/ha..12.84.912.84.9
401-500 stems/ha..12.84.912.84.9
501- 600 stems/ha..1.71.71.71.7
more than 600 stems/ha......
total..100.0.100.0.
FR0-100 stems/ha66.727.319.63.920.93.9
101-200 stems/ha..14.03.413.63.3
201-300 stems/ha..28.04.427.34.3
301-400 stems/ha..18.73.818.23.7
401-500 stems/ha33.327.310.32.910.93.0
501- 600 stems/ha..3.71.83.61.8
more than 600 stems/ha..5.62.25.52.2
total100.0.100.0.100.0.
GE0-100 stems/ha..41.923.741.923.7
101-200 stems/ha......
201-300 stems/ha..41.923.741.923.7
301-400 stems/ha..16.214.416.214.4
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..100.0.100.0.
GL0-100 stems/ha40.015.629.08.231.77.3
101-200 stems/ha40.015.622.67.626.87.0
201-300 stems/ha..16.16.712.25.2
301-400 stems/ha..6.54.54.93.4
401-500 stems/ha..16.16.712.25.2
501- 600 stems/ha20.012.83.23.27.34.1
more than 600 stems/ha..6.54.54.93.4
total100.0.100.0.100.0.
GR0-100 stems/ha28.66.030.62.530.42.3
101-200 stems/ha32.16.231.02.531.12.3
201-300 stems/ha14.34.719.02.118.41.9
301-400 stems/ha16.14.910.21.611.01.6
401-500 stems/ha7.13.45.11.25.41.1
501- 600 stems/ha1.81.82.80.92.70.8
more than 600 stems/ha..1.10.61.00.5
total100.0.100.0.100.0.
JU0-100 stems/ha..16.54.016.14.0
101-200 stems/ha50.035.530.55.031.05.0
201-300 stems/ha50.035.522.44.523.04.5
301-400 stems/ha..15.33.915.03.8
401-500 stems/ha..8.23.08.12.9
501- 600 stems/ha..2.41.72.31.6
more than 600 stems/ha..4.72.34.62.3
total100.0.100.0.100.0.
LU0-100 stems/ha..13.83.113.63.1
101-200 stems/ha..27.74.127.34.0
201-300 stems/ha..25.94.025.53.9
301-400 stems/ha50.035.516.23.316.73.3
401-500 stems/ha..8.92.68.82.5
501- 600 stems/ha..2.41.42.41.4
more than 600 stems/ha50.035.55.02.05.72.1
total100.0.100.0.100.0.
NE0-100 stems/ha..23.34.722.54.6
101-200 stems/ha33.327.434.25.334.25.2
201-300 stems/ha33.327.426.74.926.94.8
301-400 stems/ha33.327.412.13.612.93.6
401-500 stems/ha..2.41.72.31.6
501- 600 stems/ha..1.21.21.21.2
more than 600 stems/ha......
total100.0.100.0.100.0.
NW0-100 stems/ha..21.411.217.69.4
101-200 stems/ha..14.39.611.88.0
201-300 stems/ha33.327.828.612.329.411.3
301-400 stems/ha33.327.828.612.329.411.3
401-500 stems/ha33.327.8..5.95.8
501- 600 stems/ha..7.17.05.95.8
more than 600 stems/ha......
total100.0.100.0.100.0.
OW0-100 stems/ha..32.57.029.36.4
101-200 stems/ha40.022.119.65.921.65.8
201-300 stems/ha20.018.124.06.323.66.0
301-400 stems/ha..8.74.27.93.8
401-500 stems/ha20.018.16.53.77.93.8
501- 600 stems/ha20.018.12.22.23.92.7
more than 600 stems/ha..6.53.75.93.3
total100.0.100.0.100.0.
SG0-100 stems/ha20.012.720.43.620.43.4
101-200 stems/ha30.014.521.33.621.93.5
201-300 stems/ha20.012.722.93.722.63.6
301-400 stems/ha10.09.516.53.316.13.1
401-500 stems/ha10.09.59.52.69.52.5
501- 600 stems/ha10.09.53.91.74.41.8
more than 600 stems/ha..5.52.05.11.9
total100.0.100.0.100.0.
SH0-100 stems/ha..27.87.527.87.5
101-200 stems/ha..19.46.719.46.7
201-300 stems/ha..22.27.022.27.0
301-400 stems/ha..19.46.719.46.7
401-500 stems/ha..5.63.95.63.9
501- 600 stems/ha..2.82.82.82.8
more than 600 stems/ha..2.82.82.82.8
total..100.0.100.0.
SO0-100 stems/ha..19.34.319.34.3
101-200 stems/ha..21.74.521.74.5
201-300 stems/ha..33.75.233.75.2
301-400 stems/ha..16.94.116.94.1
401-500 stems/ha..6.02.66.02.6
501- 600 stems/ha..1.21.21.21.2
more than 600 stems/ha..1.21.21.21.2
total..100.0.100.0.
SZ0-100 stems/ha16.715.315.44.515.54.3
101-200 stems/ha50.020.532.35.833.85.6
201-300 stems/ha..24.65.422.55.0
301-400 stems/ha33.319.316.94.718.34.6
401-500 stems/ha..6.23.05.62.8
501- 600 stems/ha..3.12.22.82.0
more than 600 stems/ha..1.51.51.41.4
total100.0.100.0.100.0.
TG0-100 stems/ha..28.55.428.55.4
101-200 stems/ha..21.34.921.34.9
201-300 stems/ha..28.95.528.95.5
301-400 stems/ha..14.24.214.24.2
401-500 stems/ha..5.72.85.72.8
501- 600 stems/ha..1.41.41.41.4
more than 600 stems/ha......
total..100.0.100.0.
TI0-100 stems/ha26.29.251.93.249.73.1
101-200 stems/ha43.410.319.22.521.22.5
201-300 stems/ha21.78.617.12.417.52.3
301-400 stems/ha4.34.38.21.87.81.6
401-500 stems/ha..3.31.13.01.0
501- 600 stems/ha..0.40.40.40.4
more than 600 stems/ha4.34.3..0.40.4
total100.0.100.0.100.0.
UR0-100 stems/ha11.110.533.28.128.67.0
101-200 stems/ha22.213.923.27.223.06.4
201-300 stems/ha22.213.917.46.518.45.9
301-400 stems/ha22.213.98.74.811.54.9
401-500 stems/ha11.110.58.74.89.24.4
501- 600 stems/ha..2.92.92.32.3
more than 600 stems/ha11.110.55.84.06.93.9
total100.0.100.0.100.0.
VD0-100 stems/ha10.09.529.63.028.82.9
101-200 stems/ha10.09.524.52.823.92.7
201-300 stems/ha30.014.525.52.825.72.8
301-400 stems/ha30.014.59.41.910.21.9
401-500 stems/ha10.09.56.81.66.91.6
501- 600 stems/ha10.09.52.10.92.41.0
more than 600 stems/ha..2.10.92.00.9
total100.0.100.0.100.0.
VS0-100 stems/ha25.45.240.13.536.32.9
101-200 stems/ha23.95.127.73.126.72.7
201-300 stems/ha22.55.016.82.618.32.3
301-400 stems/ha14.14.19.92.111.01.9
401-500 stems/ha7.03.04.01.44.81.3
501- 600 stems/ha4.22.41.00.71.80.8
more than 600 stems/ha2.82.00.50.51.10.6
total100.0.100.0.100.0.
ZG0-100 stems/ha..30.813.230.813.2
101-200 stems/ha..23.112.123.112.1
201-300 stems/ha..46.214.346.214.3
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..28.73.828.73.8
101-200 stems/ha..21.73.521.73.5
201-300 stems/ha..23.83.623.83.6
301-400 stems/ha..15.43.015.43.0
401-500 stems/ha..6.32.06.32.0
501- 600 stems/ha..3.51.53.51.5
more than 600 stems/ha..0.70.70.70.7
total..100.0.100.0.
Switzerland0-100 stems/ha23.02.627.50.827.10.8
101-200 stems/ha27.22.825.50.825.60.8
201-300 stems/ha20.52.522.90.822.70.8
301-400 stems/ha14.62.213.20.613.30.6
401-500 stems/ha8.11.76.60.56.70.5
501- 600 stems/ha4.31.32.10.32.30.3
more than 600 stems/ha2.20.92.20.32.20.3
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 07.11.2014 #156546/142925

NFI2

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 NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %
AG0-100 stems/ha..11.71611.716
101-200 stems/ha..15.31415.314
201-300 stems/ha..11.71611.716
301-400 stems/ha..6.8236.823
401-500 stems/ha..2.8372.837
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha......
total..48.7248.72
AI0-100 stems/ha..0.6690.669
101-200 stems/ha......
201-300 stems/ha..0.6690.669
301-400 stems/ha0.6691.6392.330
401-500 stems/ha0.31000.31000.669
501- 600 stems/ha..0.6690.669
more than 600 stems/ha......
total1.0543.9174.811
AR0-100 stems/ha..1.3471.347
101-200 stems/ha..0.6690.669
201-300 stems/ha..1.9361.936
301-400 stems/ha..1.6411.641
401-500 stems/ha..1.0551.055
501- 600 stems/ha0.3100..0.3100
more than 600 stems/ha..1.3471.347
total0.31007.768.05
BE0-100 stems/ha2.83527.81030.510
101-200 stems/ha2.73540.1842.88
201-300 stems/ha4.52737.6942.18
301-400 stems/ha1.74523.61125.311
401-500 stems/ha1.74512.01613.715
501- 600 stems/ha0.31002.7353.133
more than 600 stems/ha0.31004.5274.826
total14.115148.22162.32
BL/BS0-100 stems/ha..4.1294.129
101-200 stems/ha..7.7197.719
201-300 stems/ha..2.0432.043
301-400 stems/ha..2.4392.439
401-500 stems/ha..2.4392.439
501- 600 stems/ha..0.31000.3100
more than 600 stems/ha......
total..19.1619.16
FR0-100 stems/ha0.7707.8208.619
101-200 stems/ha..5.6245.624
201-300 stems/ha..11.21611.216
301-400 stems/ha..7.5207.520
401-500 stems/ha0.41004.1294.527
501- 600 stems/ha..1.5491.549
more than 600 stems/ha..2.2402.240
total1.15740.0441.13
GE0-100 stems/ha..0.9650.965
101-200 stems/ha......
201-300 stems/ha..0.9650.965
301-400 stems/ha..0.41000.4100
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..2.2342.234
GL0-100 stems/ha1.5493.5315.024
101-200 stems/ha1.5492.7364.227
201-300 stems/ha..1.9431.943
301-400 stems/ha..0.8700.870
401-500 stems/ha..1.9431.943
501- 600 stems/ha0.8700.41001.257
more than 600 stems/ha..0.8700.870
total3.92911.91215.88
GR0-100 stems/ha5.62537.6943.28
101-200 stems/ha6.32338.0944.38
201-300 stems/ha2.83523.41126.211
301-400 stems/ha3.13312.61615.714
401-500 stems/ha1.4506.3237.721
501- 600 stems/ha0.31003.5313.830
more than 600 stems/ha..1.4501.450
total19.613122.83142.33
JU0-100 stems/ha..5.5255.525
101-200 stems/ha0.410010.11710.516
201-300 stems/ha0.41007.4207.820
301-400 stems/ha..5.1265.126
401-500 stems/ha..2.7362.736
501- 600 stems/ha..0.8700.870
more than 600 stems/ha..1.6491.649
total0.87033.1333.93
LU0-100 stems/ha..5.3235.323
101-200 stems/ha..10.71510.715
201-300 stems/ha..10.01610.016
301-400 stems/ha0.31006.3216.620
401-500 stems/ha..3.5293.529
501- 600 stems/ha..0.9570.957
more than 600 stems/ha0.31001.9402.337
total0.67038.7339.33
NE0-100 stems/ha..6.2216.221
101-200 stems/ha0.31009.0169.416
201-300 stems/ha0.31007.0197.418
301-400 stems/ha0.31003.2303.528
401-500 stems/ha..0.6700.670
501- 600 stems/ha..0.31000.3100
more than 600 stems/ha......
total1.05726.4527.44
NW0-100 stems/ha..1.2551.255
101-200 stems/ha..0.8690.869
201-300 stems/ha0.41001.5461.940
301-400 stems/ha0.41001.5461.940
401-500 stems/ha0.4100..0.4100
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha......
total1.2555.4176.513
OW0-100 stems/ha..5.6235.623
101-200 stems/ha0.7703.4314.127
201-300 stems/ha0.41004.1274.526
301-400 stems/ha..1.5491.549
401-500 stems/ha0.41001.1571.549
501- 600 stems/ha0.41000.41000.770
more than 600 stems/ha..1.1571.157
total1.94317.2619.04
SG0-100 stems/ha0.7709.41910.118
101-200 stems/ha1.1579.81810.817
201-300 stems/ha0.77010.51711.216
301-400 stems/ha0.41007.6208.020
401-500 stems/ha0.41004.3284.727
501- 600 stems/ha0.41001.8442.240
more than 600 stems/ha..2.5372.537
total3.63145.9549.54
SH0-100 stems/ha..3.6273.627
101-200 stems/ha..2.5342.534
201-300 stems/ha..2.8322.832
301-400 stems/ha..2.5342.534
401-500 stems/ha..0.7700.770
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha..0.41000.4100
total..12.8312.83
SO0-100 stems/ha..6.1236.123
101-200 stems/ha..6.8216.821
201-300 stems/ha..10.61610.616
301-400 stems/ha..5.3255.325
401-500 stems/ha..1.9441.944
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha..0.41000.4100
total..31.4431.44
SZ0-100 stems/ha0.41003.6304.028
101-200 stems/ha1.1577.6198.717
201-300 stems/ha..5.8235.823
301-400 stems/ha0.7704.0294.726
401-500 stems/ha..1.4491.449
501- 600 stems/ha..0.7700.770
more than 600 stems/ha..0.41000.4100
total2.24023.5625.75
TG0-100 stems/ha..6.0196.019
101-200 stems/ha..4.5234.523
201-300 stems/ha..6.1206.120
301-400 stems/ha..3.0303.030
401-500 stems/ha..1.2491.249
501- 600 stems/ha..0.31000.3100
more than 600 stems/ha......
total..21.0421.04
TI0-100 stems/ha2.24145.5747.67
101-200 stems/ha3.63116.81420.412
201-300 stems/ha1.84415.01516.814
301-400 stems/ha0.41007.2227.521
401-500 stems/ha..2.9352.935
501- 600 stems/ha..0.41000.4100
more than 600 stems/ha0.4100..0.4100
total8.32087.6495.94
UR0-100 stems/ha0.31003.8294.128
101-200 stems/ha0.7702.6343.330
201-300 stems/ha0.7702.0392.634
301-400 stems/ha0.7701.0571.743
401-500 stems/ha0.31001.0571.349
501- 600 stems/ha..0.31000.3100
more than 600 stems/ha0.31000.7701.057
total3.03111.41414.311
VD0-100 stems/ha0.410026.51126.910
101-200 stems/ha0.410021.91222.312
201-300 stems/ha1.15822.81123.911
301-400 stems/ha1.1588.4209.519
401-500 stems/ha0.41006.1246.524
501- 600 stems/ha0.41001.9452.341
more than 600 stems/ha..1.9441.944
total3.83189.4393.23
VS0-100 stems/ha6.22327.81034.09
101-200 stems/ha5.82419.21225.011
201-300 stems/ha5.52511.71617.113
301-400 stems/ha3.4316.92210.318
401-500 stems/ha1.7442.8354.527
501- 600 stems/ha1.0580.7711.744
more than 600 stems/ha0.7710.31001.058
total24.41169.3593.73
ZG0-100 stems/ha..1.7441.744
101-200 stems/ha..1.3531.353
201-300 stems/ha..2.6322.632
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..5.695.69
ZH0-100 stems/ha..14.51314.513
101-200 stems/ha..10.91610.916
201-300 stems/ha..12.01512.015
301-400 stems/ha..7.8207.820
401-500 stems/ha..3.2323.232
501- 600 stems/ha..1.8441.844
more than 600 stems/ha..0.41000.4100
total..50.4250.42
Switzerland0-100 stems/ha20.813267.33288.13
101-200 stems/ha24.612247.93272.63
201-300 stems/ha18.514223.24241.83
301-400 stems/ha13.216128.45141.55
401-500 stems/ha7.32264.2771.67
501- 600 stems/ha3.93020.91324.812
more than 600 stems/ha2.04121.71323.712
total90.46973.611064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 07.11.2014 #156547/142926

NFI2

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %±
inside perimeter0-100 stems/ha15.410.0..14.35.923.53.231.67.922.92.6
101-200 stems/ha15.410.0..20.06.826.83.439.98.327.12.8
201-300 stems/ha46.113.8..14.35.920.63.117.16.420.62.5
301-400 stems/ha23.111.7..25.77.413.72.65.73.914.82.2
401-500 stems/ha....14.35.98.62.12.92.88.11.7
501- 600 stems/ha....8.64.74.61.6..4.31.3
more than 600 stems/ha....2.92.82.31.12.92.82.30.9
total100.0...100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha20.61.823.61.719.31.732.91.748.42.927.30.8
101-200 stems/ha29.22.022.51.623.51.828.61.721.22.325.50.8
201-300 stems/ha25.81.925.21.725.91.919.01.417.22.222.90.8
301-400 stems/ha14.31.516.51.515.61.610.11.18.01.613.30.6
401-500 stems/ha6.71.18.41.17.31.15.40.84.01.16.60.5
501- 600 stems/ha1.50.52.30.63.20.82.00.51.30.72.20.3
more than 600 stems/ha1.70.61.60.55.31.01.90.5..2.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha20.51.723.61.719.01.631.11.546.62.727.00.8
101-200 stems/ha28.92.022.51.623.21.828.31.523.12.325.60.8
201-300 stems/ha26.31.925.21.725.21.819.31.317.22.122.70.8
301-400 stems/ha14.61.516.51.516.21.510.81.07.71.513.40.6
401-500 stems/ha6.51.18.41.17.71.16.00.83.91.16.70.5
501- 600 stems/ha1.50.52.30.63.50.82.50.51.20.62.30.3
more than 600 stems/ha1.70.61.60.55.10.92.00.50.30.32.20.3
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 #156548/142927

NFI2

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 NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
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/ha0.771..1.84514.2153.93020.613
101-200 stems/ha0.771..2.53816.2145.02624.512
201-300 stems/ha2.241..1.84512.4162.14118.614
301-400 stems/ha1.158..3.2338.3200.77113.316
401-500 stems/ha....1.8455.2260.41007.322
501- 600 stems/ha....1.1582.835..3.830
more than 600 stems/ha....0.41001.4500.41002.141
total4.727..12.61660.5712.41690.36
outside perimeter0-100 stems/ha39.4953.4737.1983.6651.77265.33
101-200 stems/ha55.8751.0745.1872.7622.612247.23
201-300 stems/ha49.3856.9749.7848.4818.413222.74
301-400 stems/ha27.41137.2929.91025.6118.520128.75
401-500 stems/ha12.81619.01314.11613.8164.32963.97
501- 600 stems/ha2.9355.3266.1245.2261.45020.913
more than 600 stems/ha3.3333.53110.1194.827..21.713
total190.92226.31192.12254.22106.94970.41
total0-100 stems/ha40.2953.4738.9997.8555.67285.93
101-200 stems/ha56.6751.0747.6888.9627.610271.63
201-300 stems/ha51.5756.9751.5760.8720.512241.23
301-400 stems/ha28.51137.2933.21033.9109.219142.05
401-500 stems/ha12.81619.01315.91519.0134.62771.27
501- 600 stems/ha2.9355.3267.2228.0211.45024.812
more than 600 stems/ha3.3333.53110.4186.2230.410023.812
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #156549/142928

NFI2

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 NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha15.410.016.14.920.56.525.45.225.06.531.67.922.92.6
101-200 stems/ha15.410.019.65.330.87.423.95.131.87.039.98.327.12.8
201-300 stems/ha46.213.825.05.810.34.922.55.015.95.517.16.420.62.5
301-400 stems/ha23.111.714.34.717.96.214.14.118.25.85.73.914.72.2
401-500 stems/ha..16.14.97.74.37.03.06.83.82.92.88.21.7
501- 600 stems/ha..5.43.010.34.94.22.42.32.2..4.21.3
more than 600 stems/ha..3.62.52.62.52.82.0..2.92.82.30.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha22.31.222.71.922.82.440.13.530.12.748.42.927.40.8
101-200 stems/ha25.51.325.42.022.42.427.73.131.22.721.22.325.50.8
201-300 stems/ha25.41.325.42.022.42.416.82.619.32.317.22.222.90.8
301-400 stems/ha15.51.113.61.613.72.09.92.110.91.88.01.613.20.6
401-500 stems/ha7.60.86.11.19.41.74.01.44.71.24.01.16.60.5
501- 600 stems/ha2.00.43.00.83.01.01.00.72.40.91.30.72.20.3
more than 600 stems/ha1.60.43.80.96.41.40.50.51.40.7..2.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha22.21.222.01.822.52.336.32.929.52.546.62.727.00.8
101-200 stems/ha25.41.324.81.923.42.326.72.731.32.523.12.325.60.8
201-300 stems/ha25.71.325.41.921.02.218.32.318.92.117.22.122.70.8
301-400 stems/ha15.61.113.61.514.21.911.01.911.81.87.71.513.40.6
401-500 stems/ha7.50.87.21.19.21.64.81.35.01.23.91.16.70.5
501- 600 stems/ha1.90.43.20.83.81.01.80.82.40.81.20.62.30.3
more than 600 stems/ha1.60.43.80.85.91.31.10.61.20.60.30.32.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 07.11.2014 #156550/142929

NFI2

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 NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
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/ha0.7713.2332.8356.2233.9303.93020.713
101-200 stems/ha0.7714.0304.1285.8244.9265.02624.512
201-300 stems/ha2.2415.0261.4505.5252.5382.14118.614
301-400 stems/ha1.1582.9352.4383.4312.8350.77113.316
401-500 stems/ha..3.2331.0581.7441.1580.41007.422
501- 600 stems/ha..1.1581.4501.0580.4100..3.830
more than 600 stems/ha..0.7710.31000.771..0.41002.141
total4.72820.21313.41524.41115.51412.41690.56
outside perimeter0-100 stems/ha93.0638.6923.51127.81031.21051.77265.83
101-200 stems/ha106.6543.3823.11119.21232.3922.612247.13
201-300 stems/ha106.2543.3823.11111.71620.01218.413222.64
301-400 stems/ha64.7723.11214.2156.92211.2178.520128.65
401-500 stems/ha31.81010.5189.7182.8354.9264.32963.97
501- 600 stems/ha8.2215.0263.1330.7712.5381.45020.913
more than 600 stems/ha6.8236.5236.6220.31001.450..21.613
total417.41170.22103.2369.35103.63106.94970.61
total0-100 stems/ha93.7641.8826.31134.0935.1955.67286.53
101-200 stems/ha107.3547.2827.31025.01137.2927.610271.73
201-300 stems/ha108.4548.3824.51117.11322.51220.512241.33
301-400 stems/ha65.8726.01116.61410.31814.1159.219141.95
401-500 stems/ha31.81013.71610.7174.5276.0244.62771.37
501- 600 stems/ha8.2216.1244.5271.7442.8351.45024.812
more than 600 stems/ha6.8237.2226.9221.0581.4500.410023.712
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 07.11.2014 #156551/142930
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