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NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stand stability · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstand stability %± %± %±
Western Juran/a..3.50.93.40.9
critical..3.00.82.90.8
less stable31.012.936.92.436.72.4
stable69.012.956.72.557.12.4
total100.0.100.0.100.0.
Eastern Juran/a..5.92.25.92.2
critical..2.51.42.51.4
less stable..47.14.647.14.6
stable..44.54.644.54.6
total..100.0.100.0.
Western Plateaun/a..4.21.94.21.9
critical..3.51.73.51.7
less stable..39.24.639.24.6
stable..53.14.753.14.7
total..100.0.100.0.
Central Plateaun/a..3.81.33.81.3
critical..7.71.87.71.8
less stable..52.33.352.33.4
stable..36.23.236.23.2
total..100.0.100.0.
Eastern Plateaun/a..4.21.14.21.1
critical..8.81.68.81.6
less stable..44.22.844.22.8
stable..42.92.842.92.8
total..100.0.100.0.
Western Pre-Alpsn/a12.611.810.63.010.72.9
critical12.611.812.63.312.63.2
less stable24.615.141.84.940.64.7
stable50.317.735.04.736.14.6
total100.0.100.0.100.0.
Central Pre-Alpsn/a5.35.14.91.44.91.3
critical..3.31.13.01.1
less stable68.410.757.53.258.33.0
stable26.310.134.33.033.72.9
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a..4.91.64.71.5
critical12.511.73.21.33.61.3
less stable25.015.350.83.749.73.6
stable62.517.141.13.642.03.6
total100.0.100.0.100.0.
Northwestern Alpsn/a6.94.74.81.95.21.8
critical3.43.45.62.15.21.8
less stable69.08.649.24.553.04.0
stable20.77.540.34.436.63.9
total100.0.100.0.100.0.
Central Alpsn/a7.16.96.03.46.23.0
critical7.16.94.12.94.82.7
less stable78.611.070.06.571.95.6
stable7.16.919.95.717.14.7
total100.0.100.0.100.0.
Northeastern Alpsn/a5.95.74.82.75.02.4
critical5.95.717.44.815.04.0
less stable47.112.146.06.346.35.6
stable41.212.031.75.933.75.3
total100.0.100.0.100.0.
Southwestern Alpsn/a2.92.06.51.75.51.4
critical5.62.77.91.97.31.6
less stable39.45.834.13.335.52.9
stable52.15.951.53.551.63.0
total100.0.100.0.100.0.
Southeastern Alpsn/a4.53.13.71.13.81.0
critical6.83.89.21.78.81.5
less stable59.17.443.42.945.42.7
stable29.56.943.72.941.92.7
total100.0.100.0.100.0.
Southern Alpsn/a..2.70.92.40.8
critical2.92.83.31.03.31.0
less stable68.67.846.62.948.92.7
stable28.57.647.42.945.52.7
total100.0.100.0.100.0.
Switzerlandn/a3.91.24.50.44.50.4
critical5.01.45.90.45.80.4
less stable53.53.145.30.946.00.9
stable37.53.044.20.943.70.9
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155196/141575

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · stand stability · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstand stability1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..5.0265.026
critical..4.3294.329
less stable1.45053.2754.67
stable3.23381.7584.95
total4.627144.22148.92
Eastern Juran/a..2.8372.837
critical..1.2571.257
less stable..22.11022.110
stable..20.91120.911
total..47.0347.03
Western Plateaun/a..2.0442.044
critical..1.6491.649
less stable..18.51218.512
stable..25.01025.010
total..47.2447.24
Central Plateaun/a..2.6352.635
critical..5.3235.323
less stable..36.0736.07
stable..24.9924.99
total..68.7268.72
Eastern Plateaun/a..4.6274.627
critical..9.7189.718
less stable..48.6748.67
stable..47.2747.27
total..110.12110.12
Western Pre-Alpsn/a0.41004.0294.428
critical0.41004.8265.225
less stable0.77115.91216.712
stable1.54913.31414.813
total2.93538.1541.14
Central Pre-Alpsn/a0.41004.3294.727
critical..2.9352.935
less stable4.72750.5655.26
stable1.84430.1931.99
total6.82287.8394.72
Eastern Pre-Alpsn/a..3.2333.233
critical0.41002.1402.537
less stable0.77133.6834.38
stable1.84427.1928.99
total2.93566.1368.93
Northwestern Alpsn/a0.7712.1402.935
critical0.41002.5372.935
less stable7.12121.81129.09
stable2.14017.91220.012
total10.41744.3654.74
Central Alpsn/a0.31001.0571.449
critical0.31000.7711.158
less stable3.82912.11415.911
stable0.31003.4303.829
total4.82517.31122.18
Northeastern Alpsn/a0.41001.1571.449
critical0.41003.9294.327
less stable2.93410.41613.314
stable2.5377.2219.717
total6.12222.6928.76
Southwestern Alpsn/a0.7714.5275.225
critical1.4505.5256.922
less stable9.61823.71133.39
stable12.71635.7848.47
total24.41169.3593.73
Southeastern Alpsn/a0.7713.9304.627
critical1.1589.51910.518
less stable9.11945.0754.17
stable4.62745.3749.97
total15.514103.63119.03
Southern Alpsn/a..2.8352.835
critical0.41003.5313.930
less stable8.52049.8758.36
stable3.53150.7754.27
total12.416106.94119.33
Switzerlandn/a3.63244.0947.69
critical4.62857.5862.17
less stable48.68441.22489.72
stable34.110430.42464.52
total90.86973.211063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155197/141576

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
inside perimetern/a....1.01.0....2.72.70.80.6
less than 10 years ago53.813.8..33.64.620.95.035.17.910.95.128.42.8
11-20 years ago7.77.4..37.54.715.04.424.37.116.26.125.32.7
21-30 years ago30.712.8..10.63.029.85.65.43.713.55.616.22.3
31-40 years ago....4.82.110.43.75.43.78.14.56.51.5
41-50 years ago......4.52.510.85.110.85.14.31.3
over 50 years ago7.87.5..12.53.219.44.818.96.437.98.018.62.4
total100.0...100.0.100.0.100.0.100.0.100.0.
outside perimetern/a1.00.40.30.20.40.2......0.40.1
less than 10 years ago68.42.177.31.651.61.817.82.845.23.214.02.054.60.9
11-20 years ago16.41.614.81.318.61.415.62.713.52.211.41.815.80.7
21-30 years ago8.01.23.30.78.61.017.82.912.62.210.11.78.20.5
31-40 years ago1.60.51.30.46.90.913.32.55.11.417.92.25.90.4
41-50 years ago0.40.30.10.13.40.75.51.73.41.213.72.03.30.3
over 50 years ago4.30.92.90.610.51.130.03.420.22.632.92.711.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a1.00.40.30.20.50.2....0.30.30.40.1
less than 10 years ago68.02.077.31.649.51.718.62.543.83.013.71.952.30.8
11-20 years ago16.21.614.81.320.91.415.42.315.02.211.91.716.60.7
21-30 years ago8.61.23.30.78.81.021.12.611.71.910.51.78.90.5
31-40 years ago1.50.51.30.46.70.812.52.15.11.316.92.06.00.4
41-50 years ago0.40.30.10.13.00.65.31.44.41.213.31.83.40.3
over 50 years ago4.40.92.90.610.71.027.12.820.02.433.42.512.50.6
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 #155198/141577

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-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....0.4100....0.41000.771
less than 10 years ago2.538..12.4174.8264.6271.45025.712
11-20 years ago0.4100..13.8163.4313.2332.14122.912
21-30 years ago1.450..3.9306.8220.7711.84514.715
31-40 years ago....1.8452.4370.7711.1585.924
41-50 years ago......1.0581.4501.4503.930
over 50 years ago0.4100..4.6284.4272.5375.02616.914
total4.727..36.9922.91113.11613.21690.86
outside perimetern/a1.8450.7711.158......3.632
less than 10 years ago126.13196.32143.2410.91737.8815.315529.62
11-20 years ago30.31037.5951.889.61811.31712.516152.95
21-30 years ago14.8158.52023.81211.01710.61811.01779.66
31-40 years ago2.9353.23319.2138.2204.22819.61357.38
41-50 years ago0.7710.41009.6193.4312.83514.91531.810
over 50 years ago7.9217.42229.11118.51316.91435.99115.85
total184.52253.91277.7261.6583.64109.24970.61
totaln/a1.8450.7711.450....0.41004.329
less than 10 years ago128.63196.32155.6415.71442.4816.814555.42
11-20 years ago30.61037.5965.6713.01514.51514.615175.84
21-30 years ago16.2148.52027.71117.81311.31712.81694.36
31-40 years ago2.9353.23320.91310.6174.92620.71263.27
41-50 years ago0.7710.41009.6194.4274.22816.31435.710
over 50 years ago8.3217.42233.81022.91119.41340.98132.75
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155199/141578

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years) %± %± %±
AGn/a......
less than 10 years ago..73.64.073.64.0
11-20 years ago..18.23.518.23.5
21-30 years ago..5.82.15.82.1
31-40 years ago..0.80.80.80.8
41-50 years ago......
over 50 years ago..1.71.21.71.2
total..100.0.100.0.
AIn/a......
less than 10 years ago33.328.083.310.873.311.5
11-20 years ago66.727.98.38.220.010.6
21-30 years ago......
31-40 years ago..8.38.26.76.6
41-50 years ago......
over 50 years ago......
total100.0.100.0.100.0.
ARn/a......
less than 10 years ago..75.08.872.09.0
11-20 years ago100.0.16.77.720.08.1
21-30 years ago......
31-40 years ago......
41-50 years ago..4.24.24.04.0
over 50 years ago..4.24.24.04.0
total100.0.100.0.100.0.
BEn/a2.42.4..0.20.2
less than 10 years ago41.37.768.52.266.22.2
11-20 years ago34.07.414.81.716.51.7
21-30 years ago12.25.15.81.16.31.1
31-40 years ago2.42.42.50.82.50.7
41-50 years ago..1.60.61.50.6
over 50 years ago7.64.26.71.26.81.2
total100.0.100.0.100.0.
BL/BSn/a......
less than 10 years ago..70.56.670.56.6
11-20 years ago..23.16.223.16.2
21-30 years ago..4.33.04.33.0
31-40 years ago......
41-50 years ago......
over 50 years ago..2.12.12.12.1
total..100.0.100.0.
FRn/a......
less than 10 years ago100.0.48.64.950.04.8
11-20 years ago..27.14.326.44.2
21-30 years ago..8.42.78.22.6
31-40 years ago..4.62.04.52.0
41-50 years ago..0.90.90.90.9
over 50 years ago..10.33.010.02.9
total100.0.100.0.100.0.
GEn/a......
less than 10 years ago..37.122.337.122.3
11-20 years ago......
21-30 years ago..21.019.921.019.9
31-40 years ago..41.923.741.923.7
41-50 years ago......
over 50 years ago......
total..100.0.100.0.
GLn/a......
less than 10 years ago20.012.867.78.556.17.8
11-20 years ago40.015.69.75.417.15.9
21-30 years ago..6.54.54.93.4
31-40 years ago10.09.63.23.24.93.4
41-50 years ago......
over 50 years ago30.014.612.96.117.15.9
total100.0.100.0.100.0.
GRn/a......
less than 10 years ago35.86.440.42.639.72.4
11-20 years ago25.05.815.11.916.41.8
21-30 years ago5.43.012.21.711.31.6
31-40 years ago7.13.48.21.58.11.4
41-50 years ago10.74.14.61.15.41.1
over 50 years ago16.14.919.62.119.11.9
total100.0.100.0.100.0.
JUn/a......
less than 10 years ago50.035.562.45.362.15.2
11-20 years ago..18.74.218.34.2
21-30 years ago50.035.59.43.210.43.3
31-40 years ago..1.21.21.21.2
41-50 years ago......
over 50 years ago..8.23.08.12.9
total100.0.100.0.100.0.
LUn/a......
less than 10 years ago50.035.578.13.777.73.7
11-20 years ago50.035.517.03.417.53.4
21-30 years ago..1.61.11.61.1
31-40 years ago......
41-50 years ago..1.61.11.61.1
over 50 years ago..1.61.11.61.1
total100.0.100.0.100.0.
NEn/a..1.21.21.21.2
less than 10 years ago100.0.79.44.580.14.3
11-20 years ago..10.93.510.53.3
21-30 years ago..2.41.72.31.6
31-40 years ago..3.62.13.52.0
41-50 years ago......
over 50 years ago..2.41.72.31.6
total100.0.100.0.100.0.
NWn/a..7.17.05.95.8
less than 10 years ago33.327.835.713.135.311.8
11-20 years ago33.327.814.39.617.69.4
21-30 years ago......
31-40 years ago..21.411.217.69.4
41-50 years ago......
over 50 years ago33.327.821.411.223.510.5
total100.0.100.0.100.0.
OWn/a......
less than 10 years ago40.022.145.57.445.07.0
11-20 years ago..10.94.69.84.2
21-30 years ago20.018.18.74.29.84.2
31-40 years ago20.018.18.74.29.84.2
41-50 years ago..10.94.69.84.2
over 50 years ago20.018.115.25.315.75.1
total100.0.100.0.100.0.
SGn/a......
less than 10 years ago20.012.756.74.454.04.3
11-20 years ago50.015.817.33.419.73.4
21-30 years ago20.012.79.42.610.22.6
31-40 years ago10.09.57.12.37.32.2
41-50 years ago..2.41.42.21.3
over 50 years ago..7.12.36.62.1
total100.0.100.0.100.0.
SHn/a..2.82.82.82.8
less than 10 years ago..80.66.480.66.4
11-20 years ago..11.15.311.15.3
21-30 years ago..2.82.82.82.8
31-40 years ago..2.82.82.82.8
41-50 years ago......
over 50 years ago......
total..100.0.100.0.
SOn/a......
less than 10 years ago..78.34.578.34.5
11-20 years ago..8.43.18.43.1
21-30 years ago..8.43.18.43.1
31-40 years ago..2.41.72.41.7
41-50 years ago......
over 50 years ago..2.41.72.41.7
total..100.0.100.0.
SZn/a......
less than 10 years ago33.319.347.76.246.56.0
11-20 years ago50.020.512.34.115.54.3
21-30 years ago..16.94.715.54.3
31-40 years ago..7.73.37.03.1
41-50 years ago..3.12.22.82.0
over 50 years ago16.715.312.34.112.74.0
total100.0.100.0.100.0.
TGn/a......
less than 10 years ago..80.14.880.14.8
11-20 years ago..17.14.517.14.5
21-30 years ago......
31-40 years ago......
41-50 years ago......
over 50 years ago..2.82.02.82.0
total..100.0.100.0.
TIn/a4.34.3..0.40.4
less than 10 years ago..11.42.010.51.9
11-20 years ago8.75.911.92.111.62.0
21-30 years ago17.47.99.81.910.51.9
31-40 years ago4.34.318.02.516.82.3
41-50 years ago8.75.914.32.213.82.1
over 50 years ago56.610.334.63.036.52.9
total100.0.100.0.100.0.
URn/a......
less than 10 years ago11.110.544.08.637.27.4
11-20 years ago33.315.812.05.716.45.7
21-30 years ago33.315.86.24.311.85.0
31-40 years ago..5.84.04.63.2
41-50 years ago..5.84.04.63.2
over 50 years ago22.213.926.17.525.36.6
total100.0.100.0.100.0.
VDn/a..2.61.02.41.0
less than 10 years ago20.012.751.73.350.43.2
11-20 years ago30.014.522.02.722.32.7
21-30 years ago30.014.510.22.011.02.0
31-40 years ago10.09.54.61.44.81.4
41-50 years ago..2.10.92.00.9
over 50 years ago10.09.56.81.66.91.6
total100.0.100.0.100.0.
VSn/a..0.50.50.40.4
less than 10 years ago21.14.819.32.819.82.4
11-20 years ago17.04.515.92.616.12.2
21-30 years ago28.15.317.92.720.52.4
31-40 years ago9.93.513.32.412.42.0
41-50 years ago4.22.45.41.65.11.3
over 50 years ago19.74.727.73.225.62.6
total100.0.100.0.100.0.
ZGn/a......
less than 10 years ago..76.911.976.911.9
11-20 years ago..23.112.123.112.1
21-30 years ago......
31-40 years ago......
41-50 years ago......
over 50 years ago......
total..100.0.100.0.
ZHn/a......
less than 10 years ago..83.23.083.23.0
11-20 years ago..12.62.812.62.8
21-30 years ago..2.11.22.11.2
31-40 years ago......
41-50 years ago......
over 50 years ago..2.11.22.11.2
total..100.0.100.0.
Switzerlandn/a0.80.50.40.10.40.1
less than 10 years ago28.22.854.40.952.10.8
11-20 years ago25.22.715.80.716.60.7
21-30 years ago16.22.38.30.59.00.5
31-40 years ago6.61.65.90.46.00.4
41-50 years ago4.21.33.30.33.40.3
over 50 years ago18.82.411.90.612.50.6
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #155200/141579

NFI1

forest area: avalanches SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGn/a......
less than 10 years ago..35.8635.86
11-20 years ago..8.9198.919
21-30 years ago..2.8372.837
31-40 years ago..0.41000.4100
41-50 years ago......
over 50 years ago..0.8700.870
total..48.7248.72
AIn/a......
less than 10 years ago0.31003.2213.519
11-20 years ago0.6690.31001.054
21-30 years ago......
31-40 years ago..0.31000.3100
41-50 years ago......
over 50 years ago......
total1.0543.9174.811
ARn/a......
less than 10 years ago..5.8135.813
11-20 years ago0.31001.3471.641
21-30 years ago......
31-40 years ago......
41-50 years ago..0.31000.3100
over 50 years ago..0.31000.3100
total0.31007.768.05
BEn/a0.3100..0.3100
less than 10 years ago5.824101.64107.44
11-20 years ago4.82621.91226.711
21-30 years ago1.7458.62010.318
31-40 years ago0.31003.8304.129
41-50 years ago..2.4382.438
over 50 years ago1.15810.01811.117
total14.115148.22162.32
BL/BSn/a......
less than 10 years ago..13.51113.511
11-20 years ago..4.4284.428
21-30 years ago..0.8700.870
31-40 years ago......
41-50 years ago......
over 50 years ago..0.41000.4100
total..19.1619.16
FRn/a......
less than 10 years ago1.15719.41120.510
11-20 years ago..10.81610.816
21-30 years ago..3.4323.432
31-40 years ago..1.9441.944
41-50 years ago..0.41000.4100
over 50 years ago..4.1294.129
total1.15740.0441.13
GEn/a......
less than 10 years ago..0.8710.871
11-20 years ago......
21-30 years ago..0.51000.5100
31-40 years ago..0.9650.965
41-50 years ago......
over 50 years ago......
total..2.2342.234
GLn/a......
less than 10 years ago0.8708.1178.916
11-20 years ago1.5491.2572.736
21-30 years ago..0.8700.870
31-40 years ago0.41000.41000.870
41-50 years ago......
over 50 years ago1.2571.5492.736
total3.92911.91215.88
GRn/a......
less than 10 years ago7.02249.5756.57
11-20 years ago4.92618.51323.411
21-30 years ago1.05815.01516.014
31-40 years ago1.45010.11811.517
41-50 years ago2.1415.6257.721
over 50 years ago3.13324.11127.211
total19.613122.83142.33
JUn/a......
less than 10 years ago0.410020.7921.09
11-20 years ago..6.2236.223
21-30 years ago0.41003.1343.532
31-40 years ago..0.41000.4100
41-50 years ago......
over 50 years ago..2.7362.736
total0.87033.1333.93
LUn/a......
less than 10 years ago0.310030.2630.66
11-20 years ago0.31006.6206.920
21-30 years ago..0.6700.670
31-40 years ago......
41-50 years ago..0.6700.670
over 50 years ago..0.6700.670
total0.67038.7339.33
NEn/a..0.31000.3100
less than 10 years ago1.05721.0721.97
11-20 years ago..2.9322.932
21-30 years ago..0.6700.670
31-40 years ago..1.0571.057
41-50 years ago......
over 50 years ago..0.6700.670
total1.05726.4527.44
NWn/a..0.41000.4100
less than 10 years ago0.41001.9402.336
11-20 years ago0.41000.8691.255
21-30 years ago......
31-40 years ago..1.2551.255
41-50 years ago......
over 50 years ago0.41001.2551.546
total1.2555.4176.513
OWn/a......
less than 10 years ago0.7707.8188.616
11-20 years ago..1.9431.943
21-30 years ago0.41001.5491.943
31-40 years ago0.41001.5491.943
41-50 years ago..1.9431.943
over 50 years ago0.41002.6363.033
total1.94317.2619.04
SGn/a......
less than 10 years ago0.77026.0926.79
11-20 years ago1.8448.0209.818
21-30 years ago0.7704.3285.126
31-40 years ago0.41003.3333.631
41-50 years ago..1.1571.157
over 50 years ago..3.3333.333
total3.63145.9549.54
SHn/a..0.41000.4100
less than 10 years ago..10.3910.39
11-20 years ago..1.4481.448
21-30 years ago..0.41000.4100
31-40 years ago..0.41000.4100
41-50 years ago......
over 50 years ago......
total..12.8312.83
SOn/a......
less than 10 years ago..24.6724.67
11-20 years ago..2.6362.636
21-30 years ago..2.6362.636
31-40 years ago..0.8700.870
41-50 years ago......
over 50 years ago..0.8700.870
total..31.4431.44
SZn/a......
less than 10 years ago0.77011.21511.914
11-20 years ago1.1572.9344.028
21-30 years ago..4.0284.028
31-40 years ago..1.8441.844
41-50 years ago..0.7700.770
over 50 years ago0.41002.9343.332
total2.24023.5625.75
TGn/a......
less than 10 years ago..16.8716.87
11-20 years ago..3.6273.627
21-30 years ago......
31-40 years ago......
41-50 years ago......
over 50 years ago..0.6700.670
total..21.0421.04
TIn/a0.4100..0.4100
less than 10 years ago..10.01810.018
11-20 years ago0.77110.41811.117
21-30 years ago1.4508.62010.018
31-40 years ago0.410015.81416.114
41-50 years ago0.77112.51613.216
over 50 years ago4.72730.41035.09
total8.32087.6495.94
URn/a......
less than 10 years ago0.31005.0245.323
11-20 years ago1.0571.4502.437
21-30 years ago1.0570.7711.744
31-40 years ago..0.7700.770
41-50 years ago..0.7700.770
over 50 years ago0.7703.0313.628
total3.03111.41414.311
VDn/a..2.3402.340
less than 10 years ago0.87146.3747.07
11-20 years ago1.15819.71320.812
21-30 years ago1.1589.12010.218
31-40 years ago0.41004.1304.528
41-50 years ago..1.9441.944
over 50 years ago0.41006.1246.424
total3.83189.4393.23
VSn/a..0.31000.3100
less than 10 years ago5.12513.41518.513
11-20 years ago4.12911.01715.114
21-30 years ago6.92212.41619.212
31-40 years ago2.4379.31911.716
41-50 years ago1.0583.8304.826
over 50 years ago4.82619.21224.011
total24.41169.3593.73
ZGn/a......
less than 10 years ago..4.3184.318
11-20 years ago..1.3531.353
21-30 years ago......
31-40 years ago......
41-50 years ago......
over 50 years ago......
total..5.695.69
ZHn/a......
less than 10 years ago..41.9441.94
11-20 years ago..6.3226.322
21-30 years ago..1.1571.157
31-40 years ago......
41-50 years ago......
over 50 years ago..1.1571.157
total..50.4250.42
Switzerlandn/a0.7713.7314.429
less than 10 years ago25.512529.22554.72
11-20 years ago22.712154.25176.94
21-30 years ago14.71580.8695.56
31-40 years ago6.02457.7863.77
41-50 years ago3.83031.81035.710
over 50 years ago17.014116.15133.15
total90.46973.611064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #155201/141580

NFI1

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 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %±
inside perimetern/a......0.60.62.92.80.80.5
less than 10 years ago53.913.8..34.38.028.63.411.55.428.32.8
11-20 years ago7.77.4..40.08.325.73.314.35.925.22.7
21-30 years ago30.812.8..11.45.416.62.814.35.916.32.3
31-40 years ago....5.73.97.42.05.73.96.61.5
41-50 years ago......4.01.511.45.44.21.3
over 50 years ago7.67.3..8.54.717.12.840.08.318.62.4
total100.0...100.0.100.0.100.0.100.0.
outside perimetern/a1.10.50.20.20.20.20.30.2..0.40.1
less than 10 years ago67.12.177.81.659.82.137.91.813.62.054.60.9
11-20 years ago17.41.714.11.419.11.715.21.311.61.815.80.7
21-30 years ago7.81.23.40.76.91.112.81.210.31.78.20.5
31-40 years ago1.90.60.90.45.31.08.71.017.92.25.90.4
41-50 years ago0.40.30.20.22.40.74.40.813.92.03.30.3
over 50 years ago4.20.93.40.76.21.020.71.532.72.711.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a1.10.50.20.20.20.20.30.20.30.30.40.1
less than 10 years ago66.82.077.81.658.32.136.11.613.41.952.40.8
11-20 years ago17.21.614.11.420.41.717.31.311.91.816.60.7
21-30 years ago8.41.23.40.77.21.113.51.110.71.78.90.5
31-40 years ago1.90.60.90.45.30.98.50.916.62.05.90.4
41-50 years ago0.40.30.20.22.30.64.30.713.61.93.30.3
over 50 years ago4.30.93.40.76.31.020.01.333.52.612.50.6
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 #155202/141581

NFI1

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 1983/85
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......0.31000.41000.771
less than 10 years ago2.638..4.32917.3141.45025.612
11-20 years ago0.4100..5.02615.6151.84522.712
21-30 years ago1.550..1.45010.0181.84514.715
31-40 years ago....0.7714.5280.7715.924
41-50 years ago......2.4381.4503.830
over 50 years ago0.4100..1.15810.4185.02616.814
total4.727..12.61660.5712.41690.36
outside perimetern/a2.2410.41000.41000.771..3.632
less than 10 years ago128.13176.02115.0496.3514.515530.02
11-20 years ago33.21032.01036.8938.7912.416153.15
21-30 years ago15.0157.72113.31632.61011.01779.66
31-40 years ago3.7312.14110.11922.11219.11357.18
41-50 years ago0.7710.41004.72711.11714.81531.710
over 50 years ago8.0217.82111.91752.7835.09115.35
total190.92226.31192.12254.22106.94970.41
totaln/a2.2410.41000.41001.0580.41004.329
less than 10 years ago130.73176.02119.34113.6516.014555.62
11-20 years ago33.61032.01041.8854.3714.215175.84
21-30 years ago16.4147.72114.81542.6912.81694.36
31-40 years ago3.7312.14110.81826.61119.81363.07
41-50 years ago0.7710.41004.72713.51616.31435.510
over 50 years ago8.4217.82113.01663.0740.08132.15
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155203/141582

NFI1

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 1983/85
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..1.81.8......2.92.80.80.6
less than 10 years ago53.813.841.16.620.56.521.14.836.47.311.55.428.42.8
11-20 years ago7.77.432.16.246.28.017.04.525.06.514.35.925.22.7
21-30 years ago30.712.810.74.112.85.428.15.34.53.114.35.916.22.3
31-40 years ago..5.43.05.13.59.93.56.83.85.73.96.61.5
41-50 years ago......4.22.49.14.311.45.44.31.3
over 50 years ago7.87.58.93.815.45.819.74.718.25.840.08.318.62.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.60.20.40.3..0.50.5....0.40.1
less than 10 years ago73.01.354.72.357.52.919.32.843.82.913.62.054.60.9
11-20 years ago15.61.119.71.814.02.015.92.615.92.111.61.815.80.7
21-30 years ago5.40.76.81.29.11.717.92.712.21.910.31.78.20.5
31-40 years ago1.40.35.91.16.01.413.42.46.41.417.92.25.90.4
41-50 years ago0.30.13.40.83.01.05.41.63.11.013.92.03.30.3
over 50 years ago3.80.69.11.310.41.827.73.218.62.332.72.711.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.60.20.60.3..0.40.4..0.30.30.40.1
less than 10 years ago72.81.353.22.253.32.719.82.442.82.713.41.952.40.8
11-20 years ago15.51.121.01.817.72.116.12.217.12.011.91.816.60.7
21-30 years ago5.70.77.21.19.51.620.52.411.21.710.71.78.90.5
31-40 years ago1.40.35.91.05.91.312.42.06.51.316.62.05.90.4
41-50 years ago0.30.13.00.72.70.95.11.33.81.013.61.93.40.3
over 50 years ago3.80.69.11.310.91.725.62.618.62.133.52.612.50.6
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 #155204/141583

NFI1

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 1983/85
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..0.4100......0.41000.771
less than 10 years ago2.5388.3202.8355.1255.6251.45025.712
11-20 years ago0.41006.5236.2234.1293.9301.84522.812
21-30 years ago1.4502.2411.7446.9220.7711.84514.615
31-40 years ago..1.1580.7712.4371.1580.7715.924
41-50 years ago......1.0581.4501.4503.930
over 50 years ago0.41001.8452.1414.8262.8355.02616.814
total4.72820.21313.41524.41115.51412.41690.56
outside perimetern/a2.5380.771..0.3100....3.632
less than 10 years ago304.7293.0559.4613.41545.3714.515530.42
11-20 years ago65.1733.51014.51511.01716.51412.416153.05
21-30 years ago22.51211.5179.31912.41612.61611.01779.46
31-40 years ago5.72510.1196.2239.3196.72219.11357.18
41-50 years ago1.1585.8253.1333.8303.23314.81531.710
over 50 years ago15.71515.51510.71719.21219.31335.09115.45
total417.41170.22103.2369.35103.63106.94970.61
totaln/a2.5381.158..0.3100..0.41004.329
less than 10 years ago307.22101.3562.1618.51350.9716.014556.12
11-20 years ago65.5740.0920.71215.11420.41214.215175.94
21-30 years ago24.01213.71611.11719.21213.31612.81694.06
31-40 years ago5.72511.2186.92211.7167.72119.81363.07
41-50 years ago1.1585.8253.1334.8264.62716.31435.610
over 50 years ago16.11517.31412.81624.01122.11240.08132.25
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155205/141584

NFI1

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 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years) %± %± %±
Western Juran/a..1.20.61.20.5
less than 10 years ago53.713.866.62.366.22.3
11-20 years ago7.77.417.11.916.81.8
21-30 years ago30.712.87.71.38.41.4
31-40 years ago..1.70.61.70.6
41-50 years ago..0.50.30.50.3
over 50 years ago8.07.65.21.15.31.1
total100.0.100.0.100.0.
Eastern Juran/a..0.80.80.80.8
less than 10 years ago..69.04.369.04.3
11-20 years ago..18.43.618.43.6
21-30 years ago..8.42.68.42.6
31-40 years ago..2.51.42.51.4
41-50 years ago......
over 50 years ago..0.80.80.80.8
total..100.0.100.0.
Western Plateaun/a..0.90.90.90.9
less than 10 years ago..56.44.656.44.6
11-20 years ago..21.83.921.83.9
21-30 years ago..8.62.68.62.6
31-40 years ago..3.51.73.51.7
41-50 years ago..0.90.90.90.9
over 50 years ago..7.92.57.92.5
total..100.0.100.0.
Central Plateaun/a......
less than 10 years ago..85.42.485.42.4
11-20 years ago..7.71.87.71.8
21-30 years ago..3.21.23.21.2
31-40 years ago..0.90.60.90.6
41-50 years ago......
over 50 years ago..2.91.22.91.2
total..100.0.100.0.
Eastern Plateaun/a......
less than 10 years ago..80.22.380.22.3
11-20 years ago..15.92.115.92.1
21-30 years ago..1.60.71.60.7
31-40 years ago......
41-50 years ago......
over 50 years ago..2.30.92.30.9
total..100.0.100.0.
Western Pre-Alpsn/a......
less than 10 years ago37.717.241.84.941.54.7
11-20 years ago37.717.230.14.530.64.4
21-30 years ago12.611.87.82.68.12.6
31-40 years ago..6.82.56.32.3
41-50 years ago..3.91.93.61.8
over 50 years ago12.011.29.72.99.92.8
total100.0.100.0.100.0.
Central Pre-Alpsn/a..0.40.40.40.4
less than 10 years ago42.111.365.73.064.03.0
11-20 years ago26.310.117.62.418.22.4
21-30 years ago10.57.14.11.34.51.3
31-40 years ago10.57.13.71.24.21.2
41-50 years ago..2.41.02.30.9
over 50 years ago10.57.16.11.56.41.5
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a......
less than 10 years ago12.511.762.23.660.13.5
11-20 years ago75.015.315.12.617.62.7
21-30 years ago12.511.710.32.210.42.2
31-40 years ago..6.51.86.21.7
41-50 years ago..1.60.91.60.9
over 50 years ago..4.31.54.11.4
total100.0.100.0.100.0.
Northwestern Alpsn/a3.43.40.80.81.30.9
less than 10 years ago41.49.243.64.543.14.0
11-20 years ago34.58.815.33.218.93.2
21-30 years ago10.35.711.32.811.12.5
31-40 years ago3.43.49.72.78.52.3
41-50 years ago..4.81.93.91.6
over 50 years ago6.94.714.53.213.12.7
total100.0.100.0.100.0.
Central Alpsn/a......
less than 10 years ago21.411.040.07.035.96.0
11-20 years ago35.712.912.14.617.34.8
21-30 years ago21.411.06.13.49.53.7
31-40 years ago..4.02.83.12.2
41-50 years ago..8.03.86.23.0
over 50 years ago21.411.029.96.528.05.6
total100.0.100.0.100.0.
Northeastern Alpsn/a......
less than 10 years ago23.510.357.26.350.05.6
11-20 years ago41.212.012.74.218.74.4
21-30 years ago5.95.77.93.47.53.0
31-40 years ago11.87.86.33.17.53.0
41-50 years ago..3.22.22.51.8
over 50 years ago17.69.312.74.213.73.9
total100.0.100.0.100.0.
Southwestern Alpsn/a..0.50.50.40.4
less than 10 years ago21.14.819.32.819.82.4
11-20 years ago17.04.515.92.616.12.2
21-30 years ago28.15.317.92.720.52.4
31-40 years ago9.93.513.42.412.42.0
41-50 years ago4.22.45.41.65.11.3
over 50 years ago19.74.727.73.225.62.6
total100.0.100.0.100.0.
Southeastern Alpsn/a......
less than 10 years ago36.47.343.82.942.82.7
11-20 years ago25.06.515.92.117.12.0
21-30 years ago4.53.112.21.911.21.7
31-40 years ago6.83.86.41.46.51.3
41-50 years ago9.14.33.11.03.81.0
over 50 years ago18.25.818.62.318.62.1
total100.0.100.0.100.0.
Southern Alpsn/a2.92.8..0.30.3
less than 10 years ago11.55.413.62.013.41.9
11-20 years ago14.35.911.61.811.91.8
21-30 years ago14.35.910.31.710.71.7
31-40 years ago5.73.917.92.216.62.0
41-50 years ago11.45.413.92.013.61.9
over 50 years ago40.08.332.72.733.52.6
total100.0.100.0.100.0.
Switzerlandn/a0.80.60.40.10.40.1
less than 10 years ago28.42.854.40.952.10.8
11-20 years ago25.32.715.90.716.70.7
21-30 years ago16.22.38.20.58.90.5
31-40 years ago6.61.55.90.46.00.4
41-50 years ago4.21.33.30.33.40.3
over 50 years ago18.62.411.90.612.50.6
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155206/141585

NFI1

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 1983/85
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..1.8451.845
less than 10 years ago2.53896.0498.54
11-20 years ago0.410024.71125.011
21-30 years ago1.45011.11712.516
31-40 years ago..2.5382.538
41-50 years ago..0.7710.771
over 50 years ago0.41007.5217.921
total4.627144.22148.92
Eastern Juran/a..0.41000.4100
less than 10 years ago..32.4732.47
11-20 years ago..8.6208.620
21-30 years ago..4.0304.030
31-40 years ago..1.2571.257
41-50 years ago......
over 50 years ago..0.41000.4100
total..47.0347.03
Western Plateaun/a..0.41000.4100
less than 10 years ago..26.6926.69
11-20 years ago..10.31810.318
21-30 years ago..4.1314.131
31-40 years ago..1.6491.649
41-50 years ago..0.41000.4100
over 50 years ago..3.7323.732
total..47.2447.24
Central Plateaun/a......
less than 10 years ago..58.6358.63
11-20 years ago..5.3235.323
21-30 years ago..2.2372.237
31-40 years ago..0.6710.671
41-50 years ago......
over 50 years ago..2.0412.041
total..68.7268.72
Eastern Plateaun/a......
less than 10 years ago..88.3388.33
11-20 years ago..17.51317.513
21-30 years ago..1.8441.844
31-40 years ago......
41-50 years ago......
over 50 years ago..2.5372.537
total..110.12110.12
Western Pre-Alpsn/a......
less than 10 years ago1.15715.91317.012
11-20 years ago1.15711.51612.615
21-30 years ago0.41003.0343.332
31-40 years ago..2.6372.637
41-50 years ago..1.5491.549
over 50 years ago0.41003.7304.129
total2.93538.1541.14
Central Pre-Alpsn/a..0.41000.4100
less than 10 years ago2.93557.7660.65
11-20 years ago1.84415.41417.213
21-30 years ago0.7713.6314.328
31-40 years ago0.7713.2333.930
41-50 years ago..2.2402.240
over 50 years ago0.7715.4256.124
total6.82287.8394.72
Eastern Pre-Alpsn/a......
less than 10 years ago0.410041.1741.47
11-20 years ago2.14010.01812.116
21-30 years ago0.41006.8227.121
31-40 years ago..4.3284.328
41-50 years ago..1.1571.157
over 50 years ago..2.9352.935
total2.93566.1368.93
Northwestern Alpsn/a0.41000.41000.771
less than 10 years ago4.32819.31223.610
11-20 years ago3.6316.82210.417
21-30 years ago1.1575.0266.123
31-40 years ago0.41004.3284.727
41-50 years ago..2.1402.140
over 50 years ago0.7716.4237.221
total10.41744.3654.74
Central Alpsn/a......
less than 10 years ago1.0576.9207.919
11-20 years ago1.7442.1403.829
21-30 years ago1.0571.1582.140
31-40 years ago..0.7700.770
41-50 years ago..1.4491.449
over 50 years ago1.0575.2246.222
total4.82517.31122.18
Northeastern Alpsn/a......
less than 10 years ago1.44912.91414.313
11-20 years ago2.5372.9345.424
21-30 years ago0.41001.8442.140
31-40 years ago0.7701.4492.140
41-50 years ago..0.7700.770
over 50 years ago1.1572.9343.929
total6.12222.6928.76
Southwestern Alpsn/a..0.31000.3100
less than 10 years ago5.12513.41518.513
11-20 years ago4.12911.01715.114
21-30 years ago6.92212.41619.212
31-40 years ago2.4379.31911.716
41-50 years ago1.0583.8304.826
over 50 years ago4.82619.21224.011
total24.41169.3593.73
Southeastern Alpsn/a......
less than 10 years ago5.62545.3750.97
11-20 years ago3.93016.51420.412
21-30 years ago0.77112.61613.316
31-40 years ago1.1586.7227.721
41-50 years ago1.4503.2334.627
over 50 years ago2.83519.31322.112
total15.514103.63119.03
Southern Alpsn/a0.4100..0.4100
less than 10 years ago1.45014.51516.014
11-20 years ago1.84512.41614.215
21-30 years ago1.84511.01712.816
31-40 years ago0.77119.11319.813
41-50 years ago1.45014.81516.314
over 50 years ago5.02635.0940.08
total12.416106.94119.33
Switzerlandn/a0.7713.6324.429
less than 10 years ago25.812529.02554.82
11-20 years ago23.012154.95177.94
21-30 years ago14.71580.2694.96
31-40 years ago6.02457.5863.57
41-50 years ago3.93031.81035.710
over 50 years ago16.814116.05132.85
total90.86973.211063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155207/141586

NFI1

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 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigneddegree of mixture %± %± %± %± %± %± %±
inside perimetern/a....4.82.13.12.15.43.7..3.51.1
pure conifer forest38.513.5..54.84.988.04.089.25.186.45.771.92.8
mixed conifer forest30.712.8..27.94.41.51.52.72.78.24.514.92.2
mixed broadleaf forest30.712.8..6.72.54.52.5....5.51.4
pure broadleaf forest....5.82.33.02.12.72.75.43.74.31.3
total100.0...100.0.100.0.100.0.100.0.100.0.
outside perimetern/a3.70.84.50.85.80.84.51.52.51.02.30.94.30.4
pure conifer forest29.72.038.01.855.71.872.83.384.82.328.72.646.70.9
mixed conifer forest26.62.023.31.616.91.38.92.15.91.56.81.417.80.7
mixed broadleaf forest19.31.712.41.28.81.02.21.12.51.06.21.410.50.6
pure broadleaf forest20.71.821.91.512.81.211.72.44.21.356.12.820.70.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a3.60.84.50.85.60.84.11.32.91.02.00.84.20.4
pure conifer forest29.92.038.01.855.61.776.92.785.42.134.92.648.80.9
mixed conifer forest26.71.923.31.618.21.36.91.65.51.46.91.417.60.7
mixed broadleaf forest19.61.712.41.28.60.92.81.12.20.95.51.210.10.5
pure broadleaf forest20.21.821.91.512.01.19.31.84.01.250.62.719.30.7
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 #155208/141587

NFI1

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 1983/85
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....1.8450.7710.771..3.233
pure conifer forest1.845..20.21320.21211.71711.41765.37
mixed conifer forest1.450..10.3180.31000.41001.15813.516
mixed broadleaf forest1.450..2.5381.058....4.927
pure broadleaf forest....2.1410.7710.41000.7713.930
total4.727..36.9922.91113.11613.21690.86
outside perimetern/a6.92311.31716.0152.8352.1412.53841.69
pure conifer forest54.8796.55154.8444.9770.9531.310453.12
mixed conifer forest49.0859.0747.085.5244.9267.421172.94
mixed broadleaf forest35.7931.51024.5121.4502.1416.823101.96
pure broadleaf forest38.2955.5735.5107.2213.53161.26201.14
total184.52253.91277.7261.6583.64109.24970.61
totaln/a6.92311.31717.8143.5312.8352.53844.79
pure conifer forest56.6796.55175.0365.0582.6442.78518.42
mixed conifer forest50.4759.0757.375.8245.3258.520186.44
mixed broadleaf forest37.1931.51026.9112.4372.1416.823106.85
pure broadleaf forest38.2955.5737.697.9203.93061.96205.04
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155209/141588

NFI1

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 1983/85
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of mixture %± %± %±
AGn/a..6.62.36.62.3
pure conifer forest..28.14.128.14.1
mixed conifer forest..15.73.315.73.3
mixed broadleaf forest..14.93.214.93.2
pure broadleaf forest..34.74.334.74.3
total..100.0.100.0.
AIn/a..8.38.26.76.6
pure conifer forest66.727.958.314.560.012.9
mixed conifer forest33.328.033.314.033.312.5
mixed broadleaf forest......
pure broadleaf forest......
total100.0.100.0.100.0.
ARn/a......
pure conifer forest100.0.58.310.160.09.9
mixed conifer forest..25.09.024.08.7
mixed broadleaf forest..8.35.78.05.5
pure broadleaf forest..8.35.78.05.5
total100.0.100.0.100.0.
BEn/a4.93.44.91.04.91.0
pure conifer forest63.57.552.02.453.02.3
mixed conifer forest24.36.721.52.021.71.9
mixed broadleaf forest7.34.110.21.59.91.4
pure broadleaf forest..11.51.510.51.4
total100.0.100.0.100.0.
BL/BSn/a..8.54.18.54.1
pure conifer forest..17.15.517.15.5
mixed conifer forest..6.43.66.43.6
mixed broadleaf forest..23.56.223.56.2
pure broadleaf forest..44.57.344.57.3
total..100.0.100.0.
FRn/a33.327.39.32.89.92.8
pure conifer forest..44.94.843.74.7
mixed conifer forest66.727.318.73.820.03.8
mixed broadleaf forest..11.23.110.93.0
pure broadleaf forest..15.93.515.53.5
total100.0.100.0.100.0.
GEn/a......
pure conifer forest......
mixed conifer forest..21.019.921.019.9
mixed broadleaf forest......
pure broadleaf forest..79.019.979.019.9
total..100.0.100.0.
GLn/a..6.54.54.93.4
pure conifer forest70.014.635.58.743.97.8
mixed conifer forest10.09.616.16.714.65.6
mixed broadleaf forest10.09.612.96.112.25.2
pure broadleaf forest10.09.629.08.224.46.8
total100.0.100.0.100.0.
GRn/a3.62.53.10.93.20.9
pure conifer forest82.25.176.72.377.42.1
mixed conifer forest8.93.88.01.48.11.4
mixed broadleaf forest..2.60.82.20.7
pure broadleaf forest5.43.09.71.69.11.4
total100.0.100.0.100.0.
JUn/a..2.41.72.31.6
pure conifer forest50.035.524.74.725.34.7
mixed conifer forest..23.44.622.94.5
mixed broadleaf forest50.035.523.64.624.24.6
pure broadleaf forest..25.94.825.34.7
total100.0.100.0.100.0.
LUn/a..4.41.94.31.9
pure conifer forest50.035.560.04.459.84.4
mixed conifer forest50.035.518.63.519.13.5
mixed broadleaf forest..8.92.68.82.5
pure broadleaf forest..8.12.58.02.4
total100.0.100.0.100.0.
NEn/a..6.62.96.42.8
pure conifer forest66.727.352.15.552.75.4
mixed conifer forest..29.15.028.14.9
mixed broadleaf forest33.327.44.92.45.92.6
pure broadleaf forest..7.32.97.02.8
total100.0.100.0.100.0.
NWn/a......
pure conifer forest33.327.850.013.647.112.3
mixed conifer forest33.327.814.39.617.69.4
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..8.54.17.73.7
pure conifer forest40.022.154.57.353.07.0
mixed conifer forest20.018.115.25.315.75.1
mixed broadleaf forest20.018.18.74.29.84.2
pure broadleaf forest20.018.113.15.013.74.9
total100.0.100.0.100.0.
SGn/a10.09.53.21.63.71.6
pure conifer forest30.014.537.04.336.54.1
mixed conifer forest50.015.827.64.029.23.9
mixed broadleaf forest10.09.515.83.215.33.1
pure broadleaf forest..16.53.315.33.1
total100.0.100.0.100.0.
SHn/a..5.63.95.63.9
pure conifer forest..33.37.933.37.9
mixed conifer forest..16.76.316.76.3
mixed broadleaf forest..19.46.719.46.7
pure broadleaf forest..25.07.325.07.3
total..100.0.100.0.
SOn/a..1.21.21.21.2
pure conifer forest..16.94.116.94.1
mixed conifer forest..21.74.521.74.5
mixed broadleaf forest..30.15.030.15.0
pure broadleaf forest..30.15.130.15.1
total..100.0.100.0.
SZn/a16.715.33.12.24.22.4
pure conifer forest16.715.364.65.960.55.8
mixed conifer forest50.020.512.34.115.54.3
mixed broadleaf forest..7.73.37.03.1
pure broadleaf forest16.715.312.34.112.74.0
total100.0.100.0.100.0.
TGn/a..4.32.44.32.4
pure conifer forest..29.95.529.95.5
mixed conifer forest..29.95.529.95.5
mixed broadleaf forest..13.24.113.24.1
pure broadleaf forest..22.85.022.85.0
total..100.0.100.0.
TIn/a..2.00.91.90.8
pure conifer forest82.57.921.62.626.92.7
mixed conifer forest8.86.06.91.67.11.6
mixed broadleaf forest..6.51.66.01.5
pure broadleaf forest8.75.962.93.158.23.0
total100.0.100.0.100.0.
URn/a..5.84.04.63.2
pure conifer forest88.910.552.78.660.27.5
mixed conifer forest11.110.52.92.94.63.2
mixed broadleaf forest..14.56.011.54.9
pure broadleaf forest..24.17.419.16.1
total100.0.100.0.100.0.
VDn/a..4.21.34.01.3
pure conifer forest50.015.838.13.238.63.1
mixed conifer forest30.014.526.72.926.82.8
mixed broadleaf forest20.012.713.22.213.52.2
pure broadleaf forest..17.82.517.12.4
total100.0.100.0.100.0.
VSn/a2.92.05.01.54.41.3
pure conifer forest85.84.169.33.273.62.7
mixed conifer forest2.82.09.92.18.01.6
mixed broadleaf forest5.62.73.01.23.71.1
pure broadleaf forest2.82.012.92.410.21.8
total100.0.100.0.100.0.
ZGn/a......
pure conifer forest..53.814.253.814.2
mixed conifer forest..15.410.415.410.4
mixed broadleaf forest..15.410.415.410.4
pure broadleaf forest..15.410.415.410.4
total..100.0.100.0.
ZHn/a..3.51.53.51.5
pure conifer forest..35.04.035.04.0
mixed conifer forest..28.03.828.03.8
mixed broadleaf forest..14.02.914.02.9
pure broadleaf forest..19.63.319.63.3
total..100.0.100.0.
Switzerlandn/a3.51.24.30.44.20.4
pure conifer forest71.72.846.20.948.40.9
mixed conifer forest14.92.217.70.717.50.7
mixed broadleaf forest5.51.410.70.610.20.6
pure broadleaf forest4.41.321.10.819.70.7
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #155210/141589

NFI1

forest area: processes in channels SilvaProtect, modelled and assigned · stand structure · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedstand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a0.7710.7716.1246.2231.45015.215
single-layered5.5254.92732.11056.7741.58140.75
multi-layered12.4176.72345.1870.2636.79171.14
stratified1.1580.410013.31631.1109.21955.18
clustered structure....4.32912.8163.93021.013
total19.71312.716100.95177.0392.84403.12
outside perimetern/a7.3228.8205.4266.9221.15829.511
single-layered53.7798.4540.4944.3814.215250.93
multi-layered98.9599.4539.6956.977.421302.23
stratified14.6157.02213.71618.0143.23356.68
clustered structure1.550..4.72711.4170.77118.314
total176.02213.62103.84137.6426.511657.51
totaln/a8.0219.51911.51713.2162.53844.79
single-layered59.17103.3472.56101.0555.67391.62
multi-layered111.34106.1484.75127.1444.18473.42
stratified15.7157.42227.01149.1812.416111.75
clustered structure1.550..9.02024.2124.62739.39
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155211/141590

NFI1

forest area: processes in channels SilvaProtect, modelled and assigned · stand structure · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedstand structure %± %± %± %± %± %± %±
inside perimetern/a4.42.25.91.43.91.53.81.43.21.41.50.83.80.6
single-layered32.24.930.82.840.33.724.43.233.13.844.73.134.91.4
multi-layered58.95.242.13.049.03.844.03.728.73.639.63.042.41.5
stratified4.52.215.82.24.51.520.63.024.23.49.91.913.71.0
clustered structure..5.51.42.21.17.11.910.82.54.21.25.20.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a4.10.66.31.55.01.75.72.53.31.34.02.34.50.5
single-layered39.21.534.53.045.24.025.84.631.43.453.45.838.21.1
multi-layered50.81.538.43.033.93.848.35.343.43.727.85.245.91.2
stratified5.50.715.32.37.22.116.84.013.72.512.13.88.60.6
clustered structure0.40.25.51.48.82.23.41.98.22.02.71.92.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a4.20.66.11.04.41.14.41.33.21.02.10.84.20.4
single-layered38.61.432.62.042.62.724.92.632.22.546.62.737.00.9
multi-layered51.41.540.32.141.92.745.43.036.62.637.02.644.60.9
stratified5.40.715.51.65.71.319.42.418.62.110.41.710.50.6
clustered structure0.30.25.51.05.31.25.91.49.41.63.91.13.70.3
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, 04.11.2014 #155212/141591

NFI1

forest area: processes in channels SilvaProtect, modelled and assigned · stand structure · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtect, modelled and assignedstand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a1.4505.8252.4382.4381.8451.45015.215
single-layered10.41830.31024.91115.41418.31341.58140.75
multi-layered19.01341.5830.21027.81015.81436.79171.04
stratified1.45015.5152.83513.01513.4169.21955.38
clustered structure..5.4261.4504.5276.0243.93021.113
total32.21098.4561.6663.1555.2692.84403.32
outside perimetern/a16.1155.8252.8351.8452.1411.15829.611
single-layered152.7431.71024.9117.92020.01214.215251.43
multi-layered198.2335.3918.71314.81427.7107.421302.03
stratified21.51314.1163.9305.1258.8193.23356.68
clustered structure1.4505.0264.8261.0585.2260.77118.314
total389.9192.0555.0630.6963.9626.511657.91
totaln/a17.51411.5175.2254.2293.9302.53844.89
single-layered163.1462.0749.7723.31138.3855.67392.13
multi-layered217.1376.8648.8742.5743.5844.18473.02
stratified22.91229.6106.72318.21322.11212.416111.95
clustered structure1.45010.5186.2235.52511.2174.62739.49
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155213/141592

NFI1

forest area: processes in channels SilvaProtect, modelled and assigned · stand structure · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstand structure %± %± %±
Western Juran/a2.02.03.61.03.40.9
single-layered30.06.528.32.428.52.2
multi-layered62.06.956.12.656.82.4
stratified6.13.410.91.610.31.5
clustered structure..1.10.51.00.5
total100.0.100.0.100.0.
Eastern Juran/a25.021.76.12.26.72.3
single-layered..37.44.536.24.4
multi-layered75.021.756.54.657.14.6
stratified......
clustered structure......
total100.0.100.0.100.0.
Western Plateaun/a..4.62.04.21.9
single-layered49.315.941.04.841.74.6
multi-layered50.715.951.54.951.44.7
stratified..2.91.62.61.5
clustered structure......
total100.0.100.0.100.0.
Central Plateaun/a8.38.04.51.54.71.5
single-layered41.714.346.43.546.13.4
multi-layered50.014.544.43.444.73.4
stratified..4.81.54.51.4
clustered structure......
total100.0.100.0.100.0.
Eastern Plateaun/a7.16.93.71.13.91.1
single-layered28.612.147.62.946.82.8
multi-layered57.113.246.32.946.82.8
stratified7.16.92.40.92.60.9
clustered structure......
total100.0.100.0.100.0.
Western Pre-Alpsn/a8.43.613.44.710.72.9
single-layered28.95.944.26.936.14.6
multi-layered47.56.538.56.843.34.7
stratified5.12.93.92.74.52.0
clustered structure10.24.0..5.42.2
total100.0.100.0.100.0.
Central Pre-Alpsn/a5.72.13.61.64.61.3
single-layered29.04.130.73.929.92.8
multi-layered37.94.439.34.138.63.0
stratified23.43.821.43.522.32.6
clustered structure4.01.85.01.84.51.3
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a5.12.23.11.84.11.4
single-layered37.14.947.95.142.53.5
multi-layered51.55.136.44.944.03.6
stratified5.22.26.32.55.71.7
clustered structure1.01.06.32.53.61.3
total100.0.100.0.100.0.
Northwestern Alpsn/a4.42.26.33.15.21.8
single-layered34.45.034.96.034.63.9
multi-layered44.55.336.66.141.24.0
stratified12.23.511.14.011.82.6
clustered structure4.42.211.14.07.22.1
total100.0.100.0.100.0.
Central Alpsn/a3.13.19.35.26.23.0
single-layered37.48.640.98.739.26.1
multi-layered56.48.837.38.646.86.3
stratified..6.24.33.12.2
clustered structure3.13.16.24.34.72.6
total100.0.100.0.100.0.
Northeastern Alpsn/a2.02.06.54.43.72.1
single-layered49.07.241.98.946.35.6
multi-layered38.87.022.67.532.55.3
stratified6.13.49.75.37.53.0
clustered structure4.12.819.47.110.03.4
total100.0.100.0.100.0.
Southwestern Alpsn/a3.81.45.72.54.41.3
single-layered24.43.225.84.624.92.6
multi-layered44.03.748.35.345.43.0
stratified20.63.016.84.019.42.4
clustered structure7.11.93.41.95.91.4
total100.0.100.0.100.0.
Southeastern Alpsn/a3.21.43.31.33.21.0
single-layered33.13.831.43.432.22.5
multi-layered28.73.643.43.736.62.6
stratified24.23.413.72.518.62.1
clustered structure10.82.58.22.09.41.6
total100.0.100.0.100.0.
Southern Alpsn/a1.50.84.02.32.10.8
single-layered44.73.153.45.846.62.7
multi-layered39.63.027.85.237.02.6
stratified9.91.912.13.810.41.7
clustered structure4.21.22.71.93.91.1
total100.0.100.0.100.0.
Switzerlandn/a3.80.64.50.54.20.4
single-layered34.91.438.21.136.90.9
multi-layered42.41.546.01.244.60.9
stratified13.71.08.50.610.50.5
clustered structure5.20.72.80.43.70.3
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155214/141593

NFI1

forest area: processes in channels SilvaProtect, modelled and assigned · stand structure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
processes in channels SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstand structure1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.41004.7275.026
single-layered5.32537.1942.58
multi-layered11.11773.5584.65
stratified1.15814.31515.415
clustered structure..1.4501.450
total17.813131.03148.92
Eastern Juran/a0.41002.8373.234
single-layered..17.01217.012
multi-layered1.25725.6926.88
stratified......
clustered structure......
total1.64945.4347.03
Western Plateaun/a..2.0442.044
single-layered2.04417.71319.712
multi-layered2.14422.21024.310
stratified..1.2571.257
clustered structure......
total4.13143.1547.24
Central Plateaun/a0.31002.9333.231
single-layered1.54430.1831.78
multi-layered1.94028.8830.78
stratified..3.1313.131
clustered structure......
total3.72865.0368.72
Eastern Plateaun/a0.41003.9304.328
single-layered1.45050.0651.56
multi-layered2.93548.6751.56
stratified0.41002.5372.935
clustered structure......
total5.026105.12110.12
Western Pre-Alpsn/a1.8442.6374.428
single-layered6.3238.51914.813
multi-layered10.4177.42117.812
stratified1.1570.7701.944
clustered structure2.240..2.240
total21.81019.21141.14
Central Pre-Alpsn/a2.5381.8454.329
single-layered12.91615.41428.310
multi-layered16.81319.71236.68
stratified10.41810.81721.212
clustered structure1.8442.5374.328
total44.5750.2694.72
Eastern Pre-Alpsn/a1.8441.1572.935
single-layered12.91516.41329.39
multi-layered17.91312.51630.49
stratified1.8442.1403.929
clustered structure0.41002.1402.537
total34.6834.3868.93
Northwestern Alpsn/a1.4501.4502.935
single-layered11.1177.92018.912
multi-layered14.3148.22022.511
stratified3.9292.5376.423
clustered structure1.4502.5373.929
total32.1822.51154.74
Central Alpsn/a0.31001.0571.449
single-layered4.1274.5278.618
multi-layered6.2224.12710.316
stratified..0.7700.770
clustered structure0.31000.7701.057
total11.01511.11522.18
Northeastern Alpsn/a0.41000.7701.157
single-layered8.6194.72613.314
multi-layered6.8212.5379.317
stratified1.1571.1572.140
clustered structure0.7702.1402.934
total17.61111.11528.76
Southwestern Alpsn/a2.4381.8454.229
single-layered15.4147.92023.311
multi-layered27.81014.81442.57
stratified13.0155.12518.213
clustered structure4.5271.0585.525
total63.1530.6993.73
Southeastern Alpsn/a1.8452.1413.930
single-layered18.31320.01238.38
multi-layered15.81427.71043.58
stratified13.4168.81922.112
clustered structure6.0245.22611.217
total55.2663.96119.03
Southern Alpsn/a1.4501.1582.538
single-layered41.5814.21555.67
multi-layered36.797.42144.18
stratified9.2193.23312.416
clustered structure3.9300.7714.627
total92.8426.511119.33
Switzerlandn/a15.31529.81145.19
single-layered141.45251.53392.82
multi-layered171.74303.23474.92
stratified55.3856.18111.55
clustered structure21.21318.41439.69
total404.92659.011063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155215/141594

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · basal area (standing live trees) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedbasal area (standing live trees) %± %± %± %± %± %± %±
inside perimeterto 19 m2/ha16.45.026.310.125.84.529.95.618.96.442.26.227.42.4
20-39 m2/ha56.46.747.411.529.04.750.76.148.68.242.26.243.62.7
40-59 m2/ha25.55.921.19.437.75.016.44.521.66.810.93.923.62.3
from 60 m2/ha1.81.85.35.17.52.73.02.110.85.14.72.65.41.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterto 19 m2/ha27.72.125.51.627.31.642.33.734.53.151.13.031.00.9
20-39 m2/ha51.92.341.91.941.51.837.73.643.53.236.82.942.91.0
40-59 m2/ha18.31.828.21.722.51.517.22.816.92.410.01.821.10.8
from 60 m2/ha2.10.74.40.88.71.02.81.25.11.42.10.95.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 19 m2/ha26.51.925.51.627.11.538.93.132.42.849.42.730.60.8
20-39 m2/ha52.42.242.11.840.21.641.23.144.23.037.82.643.00.9
40-59 m2/ha19.11.728.01.724.11.417.02.417.52.310.21.621.40.7
from 60 m2/ha2.10.64.50.88.60.92.91.15.81.42.60.95.00.4
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 #155216/141595

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · basal area (standing live trees) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterto 19 m2/ha3.2331.8458.5206.8222.5379.61932.410
20-39 m2/ha11.2173.2339.61911.6166.4239.61951.58
40-59 m2/ha5.0261.45012.4173.8302.8352.53828.011
from 60 m2/ha0.41000.41002.5380.7711.4501.1586.424
total19.8136.72333.01022.91113.11622.812118.35
outside perimeterto 19 m2/ha46.8863.0776.8626.11028.91050.97292.43
20-39 m2/ha87.95103.65116.8523.31136.4836.69404.62
40-59 m2/ha31.01069.7663.5710.61714.11510.018198.94
from 60 m2/ha3.63111.01824.5121.7454.2282.14147.28
total169.32247.21281.6261.7583.6499.64943.01
totalto 19 m2/ha50.1764.7785.3632.9931.3960.56324.83
20-39 m2/ha99.14106.85126.3434.9842.8746.28456.12
40-59 m2/ha36.0971.1675.9614.41517.01312.516226.84
from 60 m2/ha4.03011.31727.0112.4385.7243.23353.68
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155217/141596

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · basal area (standing live trees) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonbasal area (standing live trees) %± %± %±
AGto 19 m2/ha33.327.329.74.229.84.2
20-39 m2/ha66.727.339.04.539.74.4
40-59 m2/ha..28.84.228.14.1
from 60 m2/ha..2.51.52.51.4
total100.0.100.0.100.0.
AIto 19 m2/ha..7.17.16.76.6
20-39 m2/ha..21.411.320.010.6
40-59 m2/ha100.0.50.013.753.313.2
from 60 m2/ha..21.411.320.010.6
total100.0.100.0.100.0.
ARto 19 m2/ha16.715.510.57.212.06.6
20-39 m2/ha33.319.636.811.236.09.7
40-59 m2/ha50.020.831.610.836.09.7
from 60 m2/ha..21.19.516.07.5
total100.0.100.0.100.0.
BEto 19 m2/ha17.65.321.52.021.11.9
20-39 m2/ha37.26.848.02.446.92.3
40-59 m2/ha39.36.825.02.126.62.0
from 60 m2/ha5.93.35.41.15.51.0
total100.0.100.0.100.0.
BL/BSto 19 m2/ha33.319.439.27.738.47.1
20-39 m2/ha50.020.639.27.740.67.2
40-59 m2/ha16.715.319.16.218.85.7
from 60 m2/ha..2.52.42.12.1
total100.0.100.0.100.0.
FRto 19 m2/ha50.025.125.44.226.34.2
20-39 m2/ha50.025.132.14.632.74.5
40-59 m2/ha..32.14.530.94.4
from 60 m2/ha..10.43.010.02.9
total100.0.100.0.100.0.
GEto 19 m2/ha..41.923.741.923.7
20-39 m2/ha..41.923.741.923.7
40-59 m2/ha..16.214.416.214.4
from 60 m2/ha......
total..100.0.100.0.
GLto 19 m2/ha25.015.433.38.331.77.3
20-39 m2/ha25.015.433.38.331.77.3
40-59 m2/ha25.015.418.26.819.56.2
from 60 m2/ha25.015.415.26.317.15.9
total100.0.100.0.100.0.
GRto 19 m2/ha25.96.035.62.534.32.4
20-39 m2/ha48.26.842.12.642.92.5
40-59 m2/ha16.75.118.42.118.11.9
from 60 m2/ha9.33.94.01.04.71.0
total100.0.100.0.100.0.
JUto 19 m2/ha20.018.020.84.520.74.4
20-39 m2/ha80.017.954.85.556.35.3
40-59 m2/ha..20.84.519.64.3
from 60 m2/ha..3.72.13.52.0
total100.0.100.0.100.0.
LUto 19 m2/ha..16.93.416.73.3
20-39 m2/ha100.0.47.84.548.24.5
40-59 m2/ha..28.94.128.74.1
from 60 m2/ha..6.42.26.42.2
total100.0.100.0.100.0.
NEto 19 m2/ha40.015.624.25.026.04.8
20-39 m2/ha60.015.559.65.659.75.3
40-59 m2/ha..13.33.911.73.5
from 60 m2/ha..3.02.12.61.8
total100.0.100.0.100.0.
NWto 19 m2/ha..25.011.123.510.5
20-39 m2/ha..37.512.335.311.8
40-59 m2/ha100.0.37.512.341.212.2
from 60 m2/ha......
total100.0.100.0.100.0.
OWto 19 m2/ha25.021.829.76.729.36.4
20-39 m2/ha25.021.827.76.627.56.3
40-59 m2/ha50.025.229.86.731.46.5
from 60 m2/ha..12.84.911.84.6
total100.0.100.0.100.0.
SGto 19 m2/ha23.610.324.23.924.13.7
20-39 m2/ha29.411.140.84.539.44.2
40-59 m2/ha41.112.021.73.824.13.7
from 60 m2/ha5.95.713.33.112.42.8
total100.0.100.0.100.0.
SHto 19 m2/ha..26.57.625.07.3
20-39 m2/ha50.035.852.98.652.88.4
40-59 m2/ha50.035.814.76.116.76.3
from 60 m2/ha..5.94.15.63.9
total100.0.100.0.100.0.
SOto 19 m2/ha..25.04.924.14.7
20-39 m2/ha66.727.455.05.655.45.5
40-59 m2/ha33.327.418.74.419.34.4
from 60 m2/ha..1.31.21.21.2
total100.0.100.0.100.0.
SZto 19 m2/ha20.018.025.85.425.35.2
20-39 m2/ha40.022.044.06.143.75.9
40-59 m2/ha40.022.024.25.325.35.2
from 60 m2/ha..6.13.05.62.8
total100.0.100.0.100.0.
TGto 19 m2/ha50.035.641.06.041.35.9
20-39 m2/ha50.035.635.65.936.05.8
40-59 m2/ha..20.54.919.94.8
from 60 m2/ha..2.92.12.82.0
total100.0.100.0.100.0.
TIto 19 m2/ha43.16.952.53.450.73.1
20-39 m2/ha41.26.937.33.338.13.0
40-59 m2/ha11.84.58.31.99.01.7
from 60 m2/ha3.92.71.80.92.20.9
total100.0.100.0.100.0.
URto 19 m2/ha..36.78.528.36.9
20-39 m2/ha30.014.632.98.232.27.1
40-59 m2/ha50.015.921.47.228.06.9
from 60 m2/ha20.012.79.05.011.54.9
total100.0.100.0.100.0.
VDto 19 m2/ha26.711.437.63.236.93.1
20-39 m2/ha33.312.239.53.239.13.1
40-59 m2/ha33.312.219.52.620.32.6
from 60 m2/ha6.76.53.51.23.71.2
total100.0.100.0.100.0.
VSto 19 m2/ha31.15.439.73.537.42.9
20-39 m2/ha50.05.839.63.542.43.0
40-59 m2/ha16.24.317.62.717.22.3
from 60 m2/ha2.71.93.01.22.91.0
total100.0.100.0.100.0.
ZGto 19 m2/ha..50.014.946.214.3
20-39 m2/ha100.0.50.014.953.814.2
40-59 m2/ha......
from 60 m2/ha......
total100.0.100.0.100.0.
ZHto 19 m2/ha..27.53.827.33.7
20-39 m2/ha..48.64.248.34.2
40-59 m2/ha100.0.21.13.421.73.5
from 60 m2/ha..2.81.42.81.4
total100.0.100.0.100.0.
Switzerlandto 19 m2/ha27.52.431.10.930.70.8
20-39 m2/ha43.62.742.81.042.90.9
40-59 m2/ha23.52.321.10.821.30.7
from 60 m2/ha5.41.25.00.45.00.4
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #155218/141597

NFI1

forest area: landslide/mudflow SilvaProtect, modelled and assigned · basal area (standing live trees) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1983/85
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %
AGto 19 m2/ha0.410014.11414.514
20-39 m2/ha0.87018.51219.311
40-59 m2/ha..13.71513.715
from 60 m2/ha..1.2571.257
total1.25747.5348.72
AIto 19 m2/ha..0.31000.3100
20-39 m2/ha..1.0541.054
40-59 m2/ha0.31002.3302.627
from 60 m2/ha..1.0541.054
total0.31004.5134.811
ARto 19 m2/ha0.31000.6691.055
20-39 m2/ha0.6692.2332.927
40-59 m2/ha1.0551.9362.927
from 60 m2/ha..1.3471.347
total1.9376.1128.05
BEto 19 m2/ha3.13331.11034.29
20-39 m2/ha6.52369.6676.15
40-59 m2/ha6.92236.2943.18
from 60 m2/ha1.0587.9208.919
total17.513144.83162.32
BL/BSto 19 m2/ha0.8706.5217.319
20-39 m2/ha1.2576.5217.719
40-59 m2/ha0.41003.2343.631
from 60 m2/ha..0.41000.4100
total2.43916.6819.16
FRto 19 m2/ha0.77010.11710.816
20-39 m2/ha0.77012.71513.414
40-59 m2/ha..12.71512.715
from 60 m2/ha..4.1294.129
total1.54939.6441.13
GEto 19 m2/ha..0.9650.965
20-39 m2/ha..0.9650.965
40-59 m2/ha..0.41000.4100
from 60 m2/ha......
total..2.2342.234
GLto 19 m2/ha0.8704.2275.024
20-39 m2/ha0.8704.2275.024
40-59 m2/ha0.8702.3393.133
from 60 m2/ha0.8701.9432.736
total3.13312.71115.88
GRto 19 m2/ha4.92643.9848.87
20-39 m2/ha9.11952.0761.16
40-59 m2/ha3.13322.71225.811
from 60 m2/ha1.7454.9266.623
total18.913123.53142.33
JUto 19 m2/ha0.41006.6227.021
20-39 m2/ha1.64917.51119.110
40-59 m2/ha..6.6226.622
from 60 m2/ha..1.2571.257
total1.94431.9433.93
LUto 19 m2/ha..6.6206.620
20-39 m2/ha0.310018.61019.010
40-59 m2/ha..11.31411.314
from 60 m2/ha..2.5342.534
total0.310039.0339.33
NEto 19 m2/ha1.3495.8227.119
20-39 m2/ha1.94014.41116.39
40-59 m2/ha..3.2303.230
from 60 m2/ha..0.7710.771
total3.23024.2627.44
NWto 19 m2/ha..1.5461.546
20-39 m2/ha..2.3362.336
40-59 m2/ha0.41002.3362.732
from 60 m2/ha......
total0.41006.1146.513
OWto 19 m2/ha0.41005.2245.623
20-39 m2/ha0.41004.9245.223
40-59 m2/ha0.7705.2236.021
from 60 m2/ha..2.2392.239
total1.54917.5619.04
SGto 19 m2/ha1.45010.51711.916
20-39 m2/ha1.84417.71219.511
40-59 m2/ha2.5379.41811.916
from 60 m2/ha0.41005.8246.123
total6.12343.4649.54
SHto 19 m2/ha..3.2293.229
20-39 m2/ha0.41006.4176.816
40-59 m2/ha0.41001.8422.138
from 60 m2/ha..0.7700.770
total0.77012.1512.83
SOto 19 m2/ha..7.6207.620
20-39 m2/ha0.87016.71117.410
40-59 m2/ha0.41005.7246.123
from 60 m2/ha..0.41000.4100
total1.15730.3431.44
SZto 19 m2/ha0.41006.2226.521
20-39 m2/ha0.77010.51511.215
40-59 m2/ha0.7705.8236.521
from 60 m2/ha..1.4491.449
total1.84423.9625.75
TGto 19 m2/ha0.31008.4158.715
20-39 m2/ha0.31007.2177.517
40-59 m2/ha..4.2244.224
from 60 m2/ha..0.6700.670
total0.67020.4421.04
TIto 19 m2/ha7.92140.8848.77
20-39 m2/ha7.52129.01036.59
40-59 m2/ha2.1416.4238.620
from 60 m2/ha0.7711.4502.141
total18.31377.6595.94
URto 19 m2/ha..4.1274.127
20-39 m2/ha1.0573.6284.624
40-59 m2/ha1.7432.4374.027
from 60 m2/ha0.7701.0571.743
total3.33011.01414.311
VDto 19 m2/ha1.55032.9934.49
20-39 m2/ha1.94434.5936.48
40-59 m2/ha1.94417.01418.913
from 60 m2/ha0.41003.0353.433
total5.72587.5393.23
VSto 19 m2/ha7.92027.11035.09
20-39 m2/ha12.71627.11039.88
40-59 m2/ha4.12812.01616.114
from 60 m2/ha0.7712.1412.835
total25.41068.3593.73
ZGto 19 m2/ha..2.6322.632
20-39 m2/ha0.41002.6323.028
40-59 m2/ha......
from 60 m2/ha......
total0.41005.1135.69
ZHto 19 m2/ha..13.71413.714
20-39 m2/ha..24.3924.39
40-59 m2/ha0.410010.61610.916
from 60 m2/ha..1.4491.449
total0.410050.0250.42
Switzerlandto 19 m2/ha32.510294.63327.03
20-39 m2/ha51.48405.02456.42
40-59 m2/ha27.711199.34227.04
from 60 m2/ha6.32447.2853.58
total117.95946.011064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #155219/141598
search result: 155765 entries on 6491 pages

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