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NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · stand stability · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstand stability %± %± %±
Western Juran/a..0.50.40.50.3
critical2.42.41.60.61.70.6
less stable46.37.836.72.537.62.4
stable51.27.861.22.560.22.4
total100.0.100.0.100.0.
Eastern Juran/a......
critical..1.81.31.71.2
less stable60.015.537.74.639.54.5
stable40.015.560.54.758.84.5
total100.0.100.0.100.0.
Western Plateaun/a......
critical..3.61.83.51.7
less stable..45.24.744.44.7
stable100.0.51.24.752.14.7
total100.0.100.0.100.0.
Central Plateaun/a..1.40.81.40.8
critical11.110.58.01.98.11.8
less stable33.315.744.83.444.33.3
stable55.616.645.83.446.23.4
total100.0.100.0.100.0.
Eastern Plateaun/a..0.30.30.30.3
critical..4.31.24.21.1
less stable40.021.938.32.838.32.8
stable60.021.957.12.857.12.8
total100.0.100.0.100.0.
Western Pre-Alpsn/a..1.01.00.90.9
critical..13.73.412.63.2
less stable55.616.649.05.049.54.8
stable44.416.636.34.837.04.6
total100.0.100.0.100.0.
Central Pre-Alpsn/a..0.80.60.80.5
critical10.09.59.81.99.81.8
less stable80.012.648.83.150.03.1
stable10.09.540.53.139.43.0
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a..1.81.01.60.9
critical4.54.510.52.49.82.1
less stable54.510.651.53.851.83.6
stable40.910.536.33.736.83.5
total100.0.100.0.100.0.
Northwestern Alpsn/a..2.31.32.01.1
critical13.07.013.13.013.12.7
less stable34.79.949.24.447.04.0
stable52.210.435.44.237.93.9
total100.0.100.0.100.0.
Central Alpsn/a..1.91.91.61.6
critical33.313.727.36.228.45.7
less stable58.314.344.06.946.76.2
stable8.38.026.86.223.35.3
total100.0.100.0.100.0.
Northeastern Alpsn/a7.87.4..1.31.3
critical15.410.09.03.510.03.4
less stable38.413.562.75.958.75.5
stable38.413.528.45.530.05.1
total100.0.100.0.100.0.
Southwestern Alpsn/a..2.01.01.50.7
critical9.53.410.02.19.91.8
less stable47.35.842.73.543.93.0
stable43.25.845.23.544.73.0
total100.0.100.0.100.0.
Southeastern Alpsn/a..0.70.50.60.4
critical19.06.110.41.811.51.7
less stable35.77.449.22.947.52.7
stable45.27.739.82.840.42.7
total100.0.100.0.100.0.
Southern Alpsn/a..1.50.71.20.6
critical6.43.17.61.67.41.4
less stable50.86.338.42.940.72.7
stable42.86.252.53.050.72.7
total100.0.100.0.100.0.
Switzerlandn/a0.30.31.00.20.90.2
critical9.51.67.80.57.90.5
less stable46.92.743.91.044.20.9
stable43.32.747.41.046.90.9
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156648/143027

NFI2

forest area: landslide/mudflow 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 1993/95
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstand stability1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..0.7710.771
critical0.41002.1412.538
less stable6.82249.3756.07
stable7.52182.1589.64
total14.615134.32148.92
Eastern Juran/a......
critical..0.8700.870
less stable2.44016.21318.612
stable1.64926.0927.68
total4.03043.0447.03
Western Plateaun/a......
critical..1.6491.649
less stable..21.01121.011
stable0.87023.71024.510
total0.87046.3447.24
Central Plateaun/a..0.9570.957
critical0.31005.3235.623
less stable0.95729.5830.48
stable1.54430.2831.78
total2.83365.9368.72
Eastern Plateaun/a..0.41000.4100
critical..4.6274.627
less stable0.77141.5742.27
stable1.15861.8562.95
total1.844108.32110.12
Western Pre-Alpsn/a..0.41000.4100
critical..5.2265.226
less stable1.94418.51120.411
stable1.54913.71415.213
total3.33237.7541.14
Central Pre-Alpsn/a..0.7710.771
critical0.41009.0199.319
less stable2.93544.5747.37
stable0.410036.9837.38
total3.63191.1394.72
Eastern Pre-Alpsn/a..1.1581.158
critical0.41006.4236.822
less stable4.32831.4835.77
stable3.23322.11125.410
total7.92061.1468.93
Northwestern Alpsn/a..1.1581.158
critical1.1576.1237.121
less stable2.93522.91025.79
stable4.32816.51320.711
total8.22046.5654.74
Central Alpsn/a..0.31000.3100
critical1.4494.9266.322
less stable2.4377.91810.315
stable0.31004.8255.224
total4.12718.01022.18
Northeastern Alpsn/a0.4100..0.4100
critical0.7702.1402.934
less stable1.84415.01216.811
stable1.8446.8218.618
total4.72624.0828.76
Southwestern Alpsn/a..1.4501.450
critical2.4376.9229.319
less stable12.01629.21041.28
stable11.01730.9941.98
total25.41068.3593.73
Southeastern Alpsn/a..0.7710.771
critical2.83510.91713.715
less stable5.32551.3756.56
stable6.72241.5848.17
total14.815104.33119.03
Southern Alpsn/a..1.4501.450
critical1.4507.4218.820
less stable11.31737.2948.57
stable9.61950.9760.56
total22.31297.04119.33
Switzerlandn/a0.41009.1209.519
critical11.21873.3784.56
less stable55.58415.22470.72
stable51.28448.12499.32
total118.25945.711063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156649/143028

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · 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
landslide/mudflow SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
inside perimeter0-20%......1.51.55.43.7..0.90.5
21-40%1.81.85.35.14.32.111.94.010.85.16.23.06.51.3
41-60%1.81.8..12.93.517.94.716.26.19.43.611.01.7
61-80%34.56.415.88.430.14.834.35.840.58.126.65.531.32.5
over 80%61.86.578.99.352.75.234.35.827.07.357.86.250.32.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%1.30.50.60.32.70.65.61.72.10.90.70.51.80.3
21-40%4.00.90.70.36.70.910.62.317.72.55.01.35.70.4
41-60%8.91.33.90.720.11.427.73.334.23.123.22.515.90.7
61-80%28.72.121.61.632.91.737.23.630.43.027.82.728.70.9
over 80%57.02.373.21.737.71.718.92.915.62.443.23.047.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.10.50.60.32.40.54.51.32.61.00.60.41.70.2
21-40%3.80.80.80.36.40.811.02.016.82.35.21.25.80.4
41-60%8.21.23.80.719.31.325.12.831.82.820.62.215.40.6
61-80%29.32.021.51.532.61.636.43.131.82.827.62.429.00.8
over 80%57.52.273.41.739.31.623.02.717.22.345.92.748.10.9
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 #156650/143029

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · 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
landslide/mudflow SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-20%......0.31000.771..1.058
21-40%0.41000.41001.4502.7351.4501.4507.721
41-60%0.4100..4.3294.1282.1412.14113.016
61-80%6.8231.1589.9197.9205.3256.12437.110
over 80%12.2175.32617.4147.9203.53113.21659.58
total19.8136.72333.01022.91113.11622.812118.35
outside perimeter0-20%2.2411.4507.5223.5311.8440.77117.114
21-40%6.9231.84518.8136.52214.8155.02653.88
41-60%15.2159.51956.5717.11328.61023.112150.05
61-80%48.6853.4792.6522.91125.41127.710270.73
over 80%96.54181.03106.1511.61613.11643.18451.52
total169.32247.21281.6261.7583.6499.64943.01
total0-20%2.2411.4507.5223.8302.5370.77118.114
21-40%7.2222.14120.2139.31916.2146.42361.57
41-60%15.5159.51960.8721.21230.7925.211163.04
61-80%55.5754.57102.5530.8930.7933.89307.83
over 80%108.84186.33123.5419.51216.61456.27511.02
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156651/143030

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of cover (aerial photo, 5 classes) %± %± %±
AG0-20%......
21-40%......
41-60%..2.51.52.51.4
61-80%..25.44.024.83.9
over 80%100.0.72.04.172.74.1
total100.0.100.0.100.0.
AI0-20%......
21-40%..7.17.16.76.6
41-60%100.0.14.39.620.010.6
61-80%..21.411.320.010.6
over 80%..57.113.553.313.2
total100.0.100.0.100.0.
AR0-20%......
21-40%16.715.5..4.04.0
41-60%16.715.55.35.28.05.5
61-80%..31.610.824.08.7
over 80%66.719.563.211.264.09.6
total100.0.100.0.100.0.
BE0-20%..1.90.71.70.6
21-40%..4.01.03.60.9
41-60%9.84.212.81.612.51.5
61-80%31.36.533.12.332.92.2
over 80%58.96.948.22.449.32.3
total100.0.100.0.100.0.
BL/BS0-20%......
21-40%......
41-60%..2.52.42.12.1
61-80%..29.47.225.66.4
over 80%100.0.68.17.472.26.6
total100.0.100.0.100.0.
FR0-20%......
21-40%..0.90.90.90.9
41-60%..13.23.312.73.2
61-80%25.021.726.44.326.34.2
over 80%75.021.759.54.860.14.7
total100.0.100.0.100.0.
GE0-20%......
21-40%......
41-60%......
61-80%......
over 80%..100.0.100.0.
total..100.0.100.0.
GL0-20%..3.03.02.42.4
21-40%..3.03.02.42.4
41-60%12.511.821.27.219.56.2
61-80%37.517.318.26.822.06.5
over 80%50.017.854.58.753.77.9
total100.0.100.0.100.0.
GR0-20%3.72.62.30.82.50.8
21-40%9.33.913.81.813.21.7
41-60%16.75.134.52.532.12.3
61-80%38.96.631.12.532.12.3
over 80%31.56.318.42.120.12.0
total100.0.100.0.100.0.
JU0-20%..1.21.21.21.2
21-40%..2.41.72.31.6
41-60%..6.02.65.62.5
61-80%60.022.019.54.421.94.5
over 80%40.022.070.85.069.05.0
total100.0.100.0.100.0.
LU0-20%......
21-40%..4.01.84.01.8
41-60%..4.01.84.01.8
61-80%..29.14.128.94.1
over 80%100.0.62.94.463.24.3
total100.0.100.0.100.0.
NE0-20%..4.62.64.12.3
21-40%10.09.51.31.32.31.6
41-60%10.09.513.33.912.93.6
61-80%40.015.638.45.638.65.3
over 80%40.015.642.45.742.15.3
total100.0.100.0.100.0.
NW0-20%......
21-40%..6.36.25.95.8
41-60%......
61-80%..43.812.641.212.2
over 80%100.0.50.012.752.912.3
total100.0.100.0.100.0.
OW0-20%..6.23.55.73.2
21-40%..4.33.03.92.7
41-60%25.021.821.36.021.65.8
61-80%50.025.229.86.731.46.5
over 80%25.021.838.47.137.36.8
total100.0.100.0.100.0.
SG0-20%..0.80.80.70.7
21-40%..3.31.62.91.4
41-60%..17.53.515.33.1
61-80%41.112.027.54.129.23.9
over 80%58.911.950.94.651.94.3
total100.0.100.0.100.0.
SH0-20%......
21-40%..2.92.92.82.8
41-60%......
61-80%100.0.20.67.025.07.3
over 80%..76.57.272.27.4
total100.0.100.0.100.0.
SO0-20%......
21-40%......
41-60%..2.51.72.41.7
61-80%..17.54.316.94.1
over 80%100.0.80.04.580.74.4
total100.0.100.0.100.0.
SZ0-20%..3.02.12.82.0
21-40%..6.13.05.62.8
41-60%..18.24.816.94.5
61-80%40.022.027.35.528.25.4
over 80%60.022.045.46.146.55.9
total100.0.100.0.100.0.
TG0-20%..1.51.51.41.4
21-40%..2.92.12.82.0
41-60%..4.42.54.32.4
61-80%50.035.632.25.732.75.6
over 80%50.035.659.06.058.75.9
total100.0.100.0.100.0.
TI0-20%..0.50.50.40.4
21-40%5.93.35.11.55.21.4
41-60%5.93.318.92.716.42.3
61-80%23.55.926.73.026.12.7
over 80%64.76.748.93.451.93.1
total100.0.100.0.100.0.
UR0-20%..6.44.44.93.4
21-40%10.09.59.05.09.24.4
41-60%20.012.724.47.523.46.5
61-80%30.014.636.38.434.97.3
over 80%40.015.623.97.427.66.8
total100.0.100.0.100.0.
VD0-20%..1.70.91.60.8
21-40%6.76.510.82.010.52.0
41-60%6.76.516.02.415.42.3
61-80%20.010.327.22.926.82.8
over 80%66.712.244.33.345.63.2
total100.0.100.0.100.0.
VS0-20%1.41.36.11.74.81.3
21-40%13.54.010.62.211.41.9
41-60%16.24.327.13.224.12.6
61-80%33.85.535.73.435.12.9
over 80%35.15.620.62.924.52.6
total100.0.100.0.100.0.
ZG0-20%......
21-40%......
41-60%......
61-80%..8.38.37.77.7
over 80%100.0.91.77.992.37.2
total100.0.100.0.100.0.
ZH0-20%..0.70.70.70.7
21-40%..0.70.70.70.7
41-60%..8.52.38.42.3
61-80%..19.73.319.63.3
over 80%100.0.70.43.870.63.8
total100.0.100.0.100.0.
Switzerland0-20%0.90.51.80.31.70.2
21-40%6.41.35.70.45.70.4
41-60%10.91.715.80.715.30.6
61-80%31.22.528.50.928.80.8
over 80%50.62.748.20.948.50.9
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #156652/143031

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %
AG0-20%......
21-40%......
41-60%..1.2571.257
61-80%..12.11612.116
over 80%1.25734.2635.46
total1.25747.5348.72
AI0-20%......
21-40%..0.31000.3100
41-60%0.31000.6691.054
61-80%..1.0541.054
over 80%..2.6272.627
total0.31004.5134.811
AR0-20%......
21-40%0.3100..0.3100
41-60%0.31000.31000.669
61-80%..1.9361.936
over 80%1.3473.8225.116
total1.9376.1128.05
BE0-20%..2.8352.835
21-40%..5.8245.824
41-60%1.74518.51320.212
61-80%5.52548.0753.57
over 80%10.31869.7680.05
total17.513144.83162.32
BL/BS0-20%......
21-40%......
41-60%..0.41000.4100
61-80%..4.9264.926
over 80%2.43911.31413.811
total2.43916.6819.16
FR0-20%......
21-40%..0.41000.4100
41-60%..5.2255.225
61-80%0.410010.51710.816
over 80%1.15723.6924.78
total1.54939.6441.13
GE0-20%......
21-40%......
41-60%......
61-80%......
over 80%..2.2342.234
total..2.2342.234
GL0-20%..0.41000.4100
21-40%..0.41000.4100
41-60%0.41002.7363.133
61-80%1.2572.3393.531
over 80%1.5496.9208.517
total3.13312.71115.88
GR0-20%0.7712.8353.531
21-40%1.74517.11418.813
41-60%3.13342.6845.78
61-80%7.32138.4945.78
over 80%5.92422.71228.610
total18.913123.53142.33
JU0-20%..0.41000.4100
21-40%..0.8700.870
41-60%..1.9441.944
61-80%1.2576.2237.421
over 80%0.87022.6823.48
total1.94431.9433.93
LU0-20%......
21-40%..1.6441.644
41-60%..1.6441.644
61-80%..11.41511.415
over 80%0.310024.5824.88
total0.310039.0339.33
NE0-20%..1.1581.158
21-40%0.31000.31000.670
41-60%0.31003.2303.528
61-80%1.3499.31610.614
over 80%1.34910.21411.513
total3.23024.2627.44
NW0-20%......
21-40%..0.41000.4100
41-60%......
61-80%..2.7322.732
over 80%0.41003.1293.526
total0.41006.1146.513
OW0-20%..1.1571.157
21-40%..0.7700.770
41-60%0.41003.7294.127
61-80%0.7705.2236.021
over 80%0.41006.7197.119
total1.54917.5619.04
SG0-20%..0.41000.4100
21-40%..1.4501.450
41-60%..7.6217.621
61-80%2.53711.91614.514
over 80%3.63122.11025.79
total6.12343.4649.54
SH0-20%......
21-40%..0.41000.4100
41-60%......
61-80%0.7702.5343.229
over 80%..9.3119.311
total0.77012.1512.83
SO0-20%......
21-40%......
41-60%..0.8710.871
61-80%..5.3255.325
over 80%1.15724.2725.46
total1.15730.3431.44
SZ0-20%..0.7700.770
21-40%..1.4491.449
41-60%..4.3274.327
61-80%0.7706.5217.220
over 80%1.15710.91511.914
total1.84423.9625.75
TG0-20%..0.31000.3100
21-40%..0.6700.670
41-60%..0.9570.957
61-80%0.31006.6186.917
over 80%0.310012.01112.311
total0.67020.4421.04
TI0-20%..0.41000.4100
21-40%1.1584.0305.026
41-60%1.15814.61515.714
61-80%4.32820.71225.011
over 80%11.81737.9849.87
total18.31377.6595.94
UR0-20%..0.7710.771
21-40%0.31001.0571.349
41-60%0.7702.7343.330
61-80%1.0574.0275.024
over 80%1.3492.6344.027
total3.33011.01414.311
VD0-20%..1.5501.550
21-40%0.41009.4199.819
41-60%0.410014.01514.415
61-80%1.15823.81125.011
over 80%3.83138.7842.57
total5.72587.5393.23
VS0-20%0.31004.2294.527
21-40%3.4317.22110.717
41-60%4.12818.51322.611
61-80%8.61924.41132.99
over 80%8.91914.11523.011
total25.41068.3593.73
ZG0-20%......
21-40%......
41-60%......
61-80%..0.41000.4100
over 80%0.41004.7155.112
total0.41005.1135.69
ZH0-20%..0.41000.4100
21-40%..0.41000.4100
41-60%..4.2284.228
61-80%..9.9179.917
over 80%0.410035.2635.66
total0.410050.0250.42
Switzerland0-20%1.05817.01418.114
21-40%7.62153.6861.17
41-60%12.816149.65162.44
61-80%36.810269.83306.63
over 80%59.78456.12515.82
total117.95946.011064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #156653/143032

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · 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
landslide/mudflow SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
inside perimeter0-20%......1.81.0..0.90.5
21-40%2.01.9..4.93.49.12.36.33.16.51.3
41-60%2.01.9..9.84.615.82.99.53.710.91.7
61-80%35.36.725.010.822.06.534.83.727.05.631.32.5
over 80%60.86.875.010.863.47.538.43.857.16.250.42.7
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%1.20.50.60.31.50.53.80.70.70.51.80.3
21-40%3.50.81.30.43.80.812.51.25.11.35.70.4
41-60%8.21.24.30.815.01.628.91.723.02.515.80.7
61-80%28.22.021.31.634.72.131.41.727.72.728.70.9
over 80%58.82.272.41.845.02.223.41.643.53.048.00.9
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.10.50.60.31.40.53.40.60.60.41.70.2
21-40%3.40.81.20.43.90.811.91.15.41.25.80.4
41-60%7.61.14.20.814.61.526.51.520.42.215.30.6
61-80%28.92.021.41.633.82.032.01.527.62.429.00.8
over 80%59.02.172.51.846.32.126.11.546.02.748.20.9
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 #156654/143033

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · 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
landslide/mudflow SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-20%......1.058..1.058
21-40%0.4100..0.7715.2261.4507.721
41-60%0.4100..1.4509.0192.14112.916
61-80%6.6231.4503.23319.7136.02437.010
over 80%11.3174.2299.41921.81212.81659.48
total18.6135.62514.81556.7722.312118.15
outside perimeter0-20%2.2411.4502.9359.8190.77116.914
21-40%6.2242.8357.22232.3105.02653.58
41-60%14.6159.51928.51174.4622.312149.25
61-80%50.0847.1866.0681.0626.911271.03
over 80%104.14159.9385.4560.5742.18452.02
total177.02220.71189.92257.9297.04942.61
total0-20%2.2411.4502.93510.8180.77118.014
21-40%6.6232.8357.92137.496.42361.17
41-60%15.0159.51929.91083.4624.411162.14
61-80%56.6748.5869.26100.7532.99307.93
over 80%115.44164.1394.8582.3654.97511.42
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156655/143034

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · 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
landslide/mudflow SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
inside perimeter0-20%......1.41.34.83.3..0.90.5
21-40%1.51.52.42.44.32.913.54.09.54.56.33.16.51.3
41-60%1.51.516.75.810.64.516.24.314.35.49.53.711.01.7
61-80%32.85.726.26.829.96.733.85.538.17.527.05.631.32.5
over 80%64.25.954.87.755.37.335.15.633.37.357.16.250.32.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.90.32.30.72.10.86.11.72.40.90.70.51.80.3
21-40%2.20.46.81.14.51.210.62.215.52.15.11.35.70.4
41-60%6.00.718.11.718.12.327.13.233.72.723.02.515.90.7
61-80%24.41.336.42.226.52.635.73.431.02.727.72.728.70.9
over 80%66.51.436.42.248.92.920.62.917.52.243.53.047.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.80.32.10.61.80.74.81.32.70.90.60.41.70.2
21-40%2.20.46.41.14.41.111.41.914.71.95.41.25.80.4
41-60%5.80.718.01.717.02.124.12.631.32.520.42.215.30.6
61-80%24.81.335.62.126.92.435.12.931.92.527.62.429.00.8
over 80%66.31.437.92.149.82.724.52.619.52.246.02.748.20.9
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 #156656/143035

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · 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
landslide/mudflow SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-20%......0.31000.771..1.058
21-40%0.41000.41000.7713.4311.4501.4507.721
41-60%0.41002.5381.7444.1282.1412.14113.016
61-80%7.9214.0304.8268.6195.6256.02436.910
over 80%15.4158.3219.0198.9194.92612.81659.28
total24.01215.11516.21425.41014.81522.312117.85
outside perimeter0-20%3.6324.0302.1414.2292.5380.77117.014
21-40%8.92011.9174.5277.22116.1145.02653.78
41-60%24.01231.71018.11318.51335.1922.312149.75
61-80%96.9563.8626.61024.41132.3926.911270.93
over 80%264.7263.8649.1714.11518.31342.18452.12
total398.11175.32100.4368.35104.3397.04943.41
total0-20%3.6324.0302.1414.5273.2330.77118.014
21-40%9.31912.3175.22510.71717.5136.42361.37
41-60%24.31234.31019.91322.61137.2924.411162.74
61-80%104.8567.8631.4932.9937.9832.99307.83
over 80%280.0272.1658.1623.01123.21154.97511.32
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156657/143036

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes) %± %± %±
Western Jura0-20%..1.60.71.50.6
21-40%2.42.44.31.04.11.0
41-60%2.42.49.61.58.91.4
61-80%39.07.628.72.329.72.2
over 80%56.17.855.82.655.82.4
total100.0.100.0.100.0.
Eastern Jura0-20%......
21-40%..0.90.90.80.8
41-60%..3.71.83.41.7
61-80%20.012.726.64.226.14.0
over 80%80.012.668.84.569.74.2
total100.0.100.0.100.0.
Western Plateau0-20%..1.81.31.71.2
21-40%..2.71.52.61.5
41-60%..6.22.36.12.2
61-80%50.035.521.13.821.63.8
over 80%50.035.568.24.467.94.4
total100.0.100.0.100.0.
Central Plateau0-20%......
21-40%..0.90.70.90.6
41-60%..2.41.02.31.0
61-80%11.110.517.12.616.92.5
over 80%88.910.479.62.880.02.7
total100.0.100.0.100.0.
Eastern Plateau0-20%..0.70.50.60.5
21-40%..1.00.61.00.6
41-60%..5.01.24.91.2
61-80%40.021.924.42.524.72.5
over 80%60.021.969.02.768.82.6
total100.0.100.0.100.0.
Western Pre-Alps0-20%..1.01.00.90.9
21-40%11.110.57.92.78.12.6
41-60%..23.54.221.63.9
61-80%22.213.933.34.732.44.5
over 80%66.715.734.44.737.04.6
total100.0.100.0.100.0.
Central Pre-Alps0-20%..1.60.81.50.8
21-40%..3.51.23.41.1
41-60%20.012.713.02.113.32.1
61-80%30.014.539.83.139.43.0
over 80%50.015.842.13.142.43.0
total100.0.100.0.100.0.
Eastern Pre-Alps0-20%..1.81.01.60.9
21-40%4.54.51.81.02.11.0
41-60%9.16.112.92.612.42.4
61-80%18.28.228.13.426.93.2
over 80%68.29.955.63.857.03.6
total100.0.100.0.100.0.
Northwestern Alps0-20%..4.61.83.91.6
21-40%..12.32.910.52.5
41-60%21.78.623.83.723.53.4
61-80%26.19.232.34.131.43.8
over 80%52.210.426.93.930.73.7
total100.0.100.0.100.0.
Central Alps0-20%..4.02.83.22.3
21-40%8.38.011.54.410.93.9
41-60%16.710.827.06.225.05.4
61-80%33.313.728.96.329.75.7
over 80%41.714.328.76.331.15.8
total100.0.100.0.100.0.
Northeastern Alps0-20%..1.51.51.21.2
21-40%..6.02.95.02.4
41-60%7.77.423.95.221.34.6
61-80%46.213.920.95.025.04.9
over 80%46.113.947.76.147.55.6
total100.0.100.0.100.0.
Southwestern Alps0-20%1.41.36.11.74.81.3
21-40%13.54.010.62.211.41.9
41-60%16.24.327.13.224.12.6
61-80%33.85.535.73.435.12.9
over 80%35.15.620.62.924.52.6
total100.0.100.0.100.0.
Southeastern Alps0-20%4.83.32.40.92.70.9
21-40%9.54.515.52.114.71.9
41-60%14.35.433.72.731.32.5
61-80%38.17.531.02.731.92.5
over 80%33.37.317.52.219.52.2
total100.0.100.0.100.0.
Southern Alps0-20%..0.70.50.60.4
21-40%6.33.15.11.35.41.2
41-60%9.53.723.02.520.42.2
61-80%27.05.627.72.727.62.4
over 80%57.16.243.53.046.02.7
total100.0.100.0.100.0.
Switzerland0-20%0.90.51.80.31.70.2
21-40%6.51.35.70.45.80.4
41-60%11.01.715.90.715.40.6
61-80%31.42.528.80.929.10.8
over 80%50.32.747.80.948.10.9
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156658/143037

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%..2.2412.241
21-40%0.41005.7256.124
41-60%0.410012.91613.316
61-80%5.72538.6844.38
over 80%8.22074.9583.15
total14.615134.32148.92
Eastern Jura0-20%......
21-40%..0.41000.4100
41-60%..1.6491.649
61-80%0.87011.51612.316
over 80%3.23429.6832.87
total4.03043.0447.03
Western Plateau0-20%..0.8700.870
21-40%..1.2571.257
41-60%..2.9372.937
61-80%0.41009.81910.218
over 80%0.410031.6732.07
total0.87046.3447.24
Central Plateau0-20%......
21-40%..0.6710.671
41-60%..1.5441.544
61-80%0.310011.31611.615
over 80%2.53552.4454.94
total2.83365.9368.72
Eastern Plateau0-20%..0.7710.771
21-40%..1.1581.158
41-60%..5.4255.425
61-80%0.77126.41027.210
over 80%1.15874.7475.84
total1.844108.32110.12
Western Pre-Alps0-20%..0.41000.4100
21-40%0.41003.0343.332
41-60%..8.9198.919
61-80%0.77012.61513.314
over 80%2.24013.01415.213
total3.33237.7541.14
Central Pre-Alps0-20%..1.4501.450
21-40%..3.2333.233
41-60%0.77111.81612.516
61-80%1.15836.2837.38
over 80%1.84438.4840.28
total3.63191.1394.72
Eastern Pre-Alps0-20%..1.1571.157
21-40%0.41001.1581.450
41-60%0.7717.9208.619
61-80%1.45017.11318.612
over 80%5.42533.9839.37
total7.92061.1468.93
Northwestern Alps0-20%..2.2402.240
21-40%..5.7245.724
41-60%1.84411.11712.915
61-80%2.14015.01417.213
over 80%4.32812.51516.813
total8.22046.5654.74
Central Alps0-20%..0.7710.771
21-40%0.31002.1402.437
41-60%0.7704.8255.523
61-80%1.4495.2246.621
over 80%1.7445.2246.920
total4.12718.01022.18
Northeastern Alps0-20%..0.41000.4100
21-40%..1.4491.449
41-60%0.41005.7236.123
61-80%2.2405.0257.221
over 80%2.14011.51513.613
total4.72624.0828.76
Southwestern Alps0-20%0.31004.2294.527
21-40%3.4317.22110.717
41-60%4.12818.51322.611
61-80%8.61924.41132.99
over 80%8.91914.11523.011
total25.41068.3593.73
Southeastern Alps0-20%0.7712.5383.233
21-40%1.45016.11417.513
41-60%2.14135.1937.29
61-80%5.62532.3937.98
over 80%4.92618.31323.211
total14.815104.33119.03
Southern Alps0-20%..0.7710.771
21-40%1.4505.0266.423
41-60%2.14122.31224.411
61-80%6.02426.91132.99
over 80%12.81642.1854.97
total22.31297.04119.33
Switzerland0-20%1.05817.11418.214
21-40%7.72153.9861.57
41-60%13.016150.45163.34
61-80%37.110272.23309.33
over 80%59.48452.12511.52
total118.25945.711063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156659/143038

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
inside perimetern/a....1.11.1......0.30.3
less than 10 years ago52.76.763.211.135.55.017.94.729.77.514.14.331.82.5
11-20 years ago21.85.621.19.431.24.813.44.235.17.923.55.324.62.4
21-30 years ago7.33.55.35.110.73.213.44.213.55.69.43.610.41.7
31-40 years ago12.74.55.35.16.42.514.94.42.72.714.14.310.11.6
41-50 years ago1.81.8..6.42.516.44.5..18.74.98.91.5
over 50 years ago3.62.55.35.18.62.923.95.218.96.420.35.013.91.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a..............
less than 10 years ago54.02.368.71.840.71.721.63.132.93.110.41.845.30.9
11-20 years ago29.62.121.61.625.11.511.62.421.12.77.51.621.90.8
21-30 years ago8.11.35.60.912.81.211.72.411.02.08.91.79.40.6
31-40 years ago4.71.01.70.55.40.816.22.79.31.99.31.75.80.4
41-50 years ago1.10.51.30.44.50.79.42.25.11.413.92.14.40.4
over 50 years ago2.60.71.10.411.41.129.43.420.62.649.93.013.20.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a....0.10.1......0.00.0
less than 10 years ago53.92.268.51.740.21.620.62.632.52.811.11.743.80.9
11-20 years ago28.82.021.61.525.81.512.12.123.02.510.51.722.20.8
21-30 years ago8.01.25.60.912.61.112.22.111.31.99.01.59.50.5
31-40 years ago5.51.01.80.55.50.815.82.38.41.710.21.66.30.4
41-50 years ago1.10.51.30.44.70.711.32.04.41.214.81.94.90.4
over 50 years ago2.70.71.30.411.11.127.92.920.42.444.42.713.30.6
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 #156660/143039

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a....0.4100......0.4100
less than 10 years ago10.4184.22911.7174.1283.9303.23337.610
11-20 years ago4.3291.45010.3183.1334.6275.42529.011
21-30 years ago1.4500.41003.5313.1331.8442.14112.317
31-40 years ago2.5380.41002.1413.4310.41003.23312.017
41-50 years ago0.4100..2.1413.830..4.32910.518
over 50 years ago0.7710.41002.8355.5242.5374.62716.514
total19.8136.72333.01022.91113.11622.812118.35
outside perimetern/a..............
less than 10 years ago91.55169.73114.7513.31527.51010.318427.12
11-20 years ago50.1753.4770.867.22117.6137.521206.64
21-30 years ago13.71613.81636.297.2219.2198.91989.06
31-40 years ago7.9214.22915.21510.0187.8219.31954.48
41-50 years ago1.8453.23312.8165.8244.22813.91541.79
over 50 years ago4.3292.83532.01018.11317.31349.77124.35
total169.32247.21281.6261.7583.6499.64943.01
totaln/a....0.4100......0.4100
less than 10 years ago101.94174.03126.4417.41331.4913.516464.72
11-20 years ago54.4754.8781.1610.31722.21212.816235.63
21-30 years ago15.11514.11539.7910.31811.01711.017101.36
31-40 years ago10.4184.62817.41413.4158.12012.51666.47
41-50 years ago2.2413.23314.9159.6184.22818.21352.28
over 50 years ago5.0263.23334.81023.61119.71254.47140.85
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156661/143040

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years) %± %± %±
AGn/a......
less than 10 years ago33.327.377.13.976.03.9
11-20 years ago..14.43.214.03.2
21-30 years ago33.327.34.21.95.02.0
31-40 years ago..3.41.73.31.6
41-50 years ago..0.80.80.80.8
over 50 years ago33.327.3..0.80.8
total100.0.100.0.100.0.
AIn/a......
less than 10 years ago100.0.28.612.433.312.5
11-20 years ago..42.913.540.013.0
21-30 years ago..21.411.320.010.6
31-40 years ago......
41-50 years ago..7.17.16.76.6
over 50 years ago......
total100.0.100.0.100.0.
ARn/a......
less than 10 years ago50.020.863.211.260.09.9
11-20 years ago50.020.815.88.524.08.7
21-30 years ago..10.57.28.05.5
31-40 years ago......
41-50 years ago......
over 50 years ago..10.57.28.05.5
total100.0.100.0.100.0.
BEn/a......
less than 10 years ago47.17.054.12.453.42.3
11-20 years ago29.46.425.52.125.92.0
21-30 years ago7.83.89.01.48.81.3
31-40 years ago11.74.53.60.94.40.9
41-50 years ago3.92.71.70.61.90.6
over 50 years ago..6.21.25.51.1
total100.0.100.0.100.0.
BL/BSn/a......
less than 10 years ago66.719.453.97.855.57.3
11-20 years ago16.715.329.47.227.86.6
21-30 years ago16.715.311.85.012.44.8
31-40 years ago..4.93.44.33.0
41-50 years ago......
over 50 years ago......
total100.0.100.0.100.0.
FRn/a......
less than 10 years ago50.025.140.64.840.94.7
11-20 years ago25.021.727.34.327.34.3
21-30 years ago..17.93.717.33.6
31-40 years ago..5.72.35.52.2
41-50 years ago25.021.71.91.32.71.6
over 50 years ago..6.62.46.42.3
total100.0.100.0.100.0.
GEn/a......
less than 10 years ago..58.123.758.123.7
11-20 years ago......
21-30 years ago......
31-40 years ago......
41-50 years ago..41.923.741.923.7
over 50 years ago......
total..100.0.100.0.
GLn/a......
less than 10 years ago37.517.339.48.639.07.7
11-20 years ago25.015.430.38.129.37.2
21-30 years ago12.511.89.15.09.84.7
31-40 years ago..6.14.24.93.4
41-50 years ago..6.14.24.93.4
over 50 years ago25.015.49.15.112.25.2
total100.0.100.0.100.0.
GRn/a......
less than 10 years ago29.66.230.22.430.12.3
11-20 years ago33.46.420.62.222.32.1
21-30 years ago13.04.611.31.711.51.6
31-40 years ago7.43.68.51.58.31.4
41-50 years ago1.91.87.11.46.41.2
over 50 years ago14.84.822.32.221.32.0
total100.0.100.0.100.0.
JUn/a......
less than 10 years ago..42.75.540.35.3
11-20 years ago40.022.039.15.439.15.3
21-30 years ago..8.43.17.92.9
31-40 years ago20.018.03.72.14.62.3
41-50 years ago..1.21.21.21.2
over 50 years ago40.022.04.92.46.92.7
total100.0.100.0.100.0.
LUn/a......
less than 10 years ago100.0.53.24.553.64.5
11-20 years ago..34.74.334.54.3
21-30 years ago..9.62.79.62.6
31-40 years ago......
41-50 years ago......
over 50 years ago..2.41.42.41.4
total100.0.100.0.100.0.
NEn/a......
less than 10 years ago100.0.70.55.374.04.8
11-20 years ago..21.54.819.04.3
21-30 years ago..4.02.33.52.0
31-40 years ago..1.31.31.21.2
41-50 years ago..2.71.92.31.6
over 50 years ago......
total100.0.100.0.100.0.
NWn/a......
less than 10 years ago100.0.56.212.658.812.1
11-20 years ago..6.36.25.95.8
21-30 years ago......
31-40 years ago......
41-50 years ago..12.58.411.88.0
over 50 years ago..25.011.123.510.5
total100.0.100.0.100.0.
OWn/a......
less than 10 years ago25.021.834.17.033.46.6
11-20 years ago25.021.827.56.627.36.3
21-30 years ago..8.54.17.93.8
31-40 years ago..8.54.17.93.8
41-50 years ago..6.43.65.93.3
over 50 years ago50.025.214.95.217.75.4
total100.0.100.0.100.0.
SGn/a......
less than 10 years ago47.012.143.34.543.84.2
11-20 years ago35.311.625.84.027.03.8
21-30 years ago5.95.78.32.58.02.3
31-40 years ago5.95.77.52.47.32.2
41-50 years ago..6.72.35.82.0
over 50 years ago5.95.78.32.58.02.3
total100.0.100.0.100.0.
SHn/a......
less than 10 years ago..67.68.063.98.0
11-20 years ago50.035.829.47.930.67.8
21-30 years ago50.035.8..2.82.8
31-40 years ago......
41-50 years ago..2.92.92.82.8
over 50 years ago......
total100.0.100.0.100.0.
SOn/a......
less than 10 years ago..57.55.555.45.4
11-20 years ago33.327.431.25.231.35.1
21-30 years ago..2.51.82.41.7
31-40 years ago66.727.45.02.47.22.9
41-50 years ago..1.31.21.21.2
over 50 years ago..2.51.82.41.7
total100.0.100.0.100.0.
SZn/a......
less than 10 years ago60.022.039.46.040.85.9
11-20 years ago20.018.019.74.919.74.8
21-30 years ago..12.14.011.33.8
31-40 years ago20.018.09.13.69.93.6
41-50 years ago..7.63.37.03.1
over 50 years ago..12.14.011.33.8
total100.0.100.0.100.0.
TGn/a......
less than 10 years ago100.0.63.05.864.05.7
11-20 years ago..29.75.628.95.5
21-30 years ago..5.92.95.72.8
31-40 years ago......
41-50 years ago......
over 50 years ago..1.51.51.41.4
total100.0.100.0.100.0.
TIn/a......
less than 10 years ago9.84.28.31.98.61.7
11-20 years ago23.55.95.51.69.01.7
21-30 years ago7.83.89.22.09.01.7
31-40 years ago11.84.510.22.110.51.9
41-50 years ago23.55.912.92.314.92.2
over 50 years ago23.55.953.83.448.13.1
total100.0.100.0.100.0.
URn/a......
less than 10 years ago10.09.545.78.737.57.4
11-20 years ago40.015.69.05.016.15.6
21-30 years ago20.012.715.46.416.45.7
31-40 years ago10.09.56.04.16.93.9
41-50 years ago..3.03.02.32.3
over 50 years ago20.012.720.97.120.76.2
total100.0.100.0.100.0.
VDn/a......
less than 10 years ago33.312.251.13.350.03.2
11-20 years ago20.010.322.62.822.42.7
21-30 years ago13.38.811.72.111.82.1
31-40 years ago13.38.84.81.45.31.4
41-50 years ago13.38.83.41.24.01.3
over 50 years ago6.76.56.51.66.51.6
total100.0.100.0.100.0.
VSn/a1.41.3..0.40.4
less than 10 years ago18.94.623.13.022.02.5
11-20 years ago13.54.011.52.312.12.0
21-30 years ago14.94.112.62.413.22.1
31-40 years ago13.54.015.62.615.02.2
41-50 years ago16.24.39.02.011.01.9
over 50 years ago21.64.828.13.226.42.7
total100.0.100.0.100.0.
ZGn/a......
less than 10 years ago100.0.75.012.876.911.9
11-20 years ago..16.711.115.410.4
21-30 years ago..8.38.37.77.7
31-40 years ago......
41-50 years ago......
over 50 years ago......
total100.0.100.0.100.0.
ZHn/a......
less than 10 years ago..73.23.772.73.7
11-20 years ago100.0.19.03.319.63.3
21-30 years ago..5.61.95.61.9
31-40 years ago..1.41.01.41.0
41-50 years ago......
over 50 years ago..0.70.70.70.7
total100.0.100.0.100.0.
Switzerlandn/a0.30.3..0.00.0
less than 10 years ago31.52.545.30.943.80.9
11-20 years ago24.52.421.80.822.10.8
21-30 years ago10.51.79.40.69.50.5
31-40 years ago10.21.75.80.56.30.4
41-50 years ago9.01.64.50.45.00.4
over 50 years ago14.11.913.20.613.30.6
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #156662/143041

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · time of last treatment (classes of 10 years) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %
AGn/a......
less than 10 years ago0.410036.6637.06
11-20 years ago..6.8236.823
21-30 years ago0.41002.0442.440
31-40 years ago..1.6491.649
41-50 years ago..0.41000.4100
over 50 years ago0.4100..0.4100
total1.25747.5348.72
AIn/a......
less than 10 years ago0.31001.3451.639
11-20 years ago..1.9341.934
21-30 years ago..1.0541.054
31-40 years ago......
41-50 years ago..0.31000.3100
over 50 years ago......
total0.31004.5134.811
ARn/a......
less than 10 years ago1.0553.8224.817
11-20 years ago1.0551.0551.936
21-30 years ago..0.6690.669
31-40 years ago......
41-50 years ago......
over 50 years ago..0.6690.669
total1.9376.1128.05
BEn/a......
less than 10 years ago8.22078.4586.65
11-20 years ago5.12536.9942.18
21-30 years ago1.45013.01614.415
31-40 years ago2.1415.2267.221
41-50 years ago0.7712.4383.133
over 50 years ago..9.0199.019
total17.513144.83162.32
BL/BSn/a......
less than 10 years ago1.6499.01710.614
11-20 years ago0.41004.9265.324
21-30 years ago0.41002.0442.440
31-40 years ago..0.8700.870
41-50 years ago......
over 50 years ago......
total2.43916.6819.16
FRn/a......
less than 10 years ago0.77016.11216.812
11-20 years ago0.410010.81611.216
21-30 years ago..7.1217.121
31-40 years ago..2.2402.240
41-50 years ago0.41000.7701.157
over 50 years ago..2.6372.637
total1.54939.6441.13
GEn/a......
less than 10 years ago..1.3541.354
11-20 years ago......
21-30 years ago......
31-40 years ago......
41-50 years ago..0.9650.965
over 50 years ago......
total..2.2342.234
GLn/a......
less than 10 years ago1.2575.0246.221
11-20 years ago0.8703.9294.626
21-30 years ago0.41001.2571.549
31-40 years ago..0.8700.870
41-50 years ago..0.8700.870
over 50 years ago0.8701.2571.943
total3.13312.71115.88
GRn/a......
less than 10 years ago5.62537.3942.98
11-20 years ago6.32325.51131.810
21-30 years ago2.43814.01516.414
31-40 years ago1.45010.51811.917
41-50 years ago0.31008.7209.119
over 50 years ago2.83527.61130.310
total18.913123.53142.33
JUn/a......
less than 10 years ago..13.61313.613
11-20 years ago0.87012.51413.214
21-30 years ago..2.7372.737
31-40 years ago0.41001.2571.649
41-50 years ago..0.41000.4100
over 50 years ago0.8701.6492.340
total1.94431.9433.93
LUn/a......
less than 10 years ago0.310020.8921.19
11-20 years ago..13.61313.613
21-30 years ago..3.8283.828
31-40 years ago......
41-50 years ago......
over 50 years ago..0.9570.957
total0.310039.0339.33
NEn/a......
less than 10 years ago3.23017.1920.38
11-20 years ago..5.2235.223
21-30 years ago..1.0571.057
31-40 years ago..0.31000.3100
41-50 years ago..0.6700.670
over 50 years ago......
total3.23024.2627.44
NWn/a......
less than 10 years ago0.41003.5263.824
11-20 years ago..0.41000.4100
21-30 years ago......
31-40 years ago......
41-50 years ago..0.8690.869
over 50 years ago..1.5461.546
total0.41006.1146.513
OWn/a......
less than 10 years ago0.41006.0216.420
11-20 years ago0.41004.8255.224
21-30 years ago..1.5491.549
31-40 years ago..1.5491.549
41-50 years ago..1.1571.157
over 50 years ago0.7702.6363.431
total1.54917.5619.04
SGn/a......
less than 10 years ago2.93518.81221.711
11-20 years ago2.24011.21713.415
21-30 years ago0.41003.6314.029
31-40 years ago0.41003.3333.631
41-50 years ago..2.9352.935
over 50 years ago0.41003.6314.029
total6.12343.4649.54
SHn/a......
less than 10 years ago..8.2138.213
11-20 years ago0.41003.6273.926
21-30 years ago0.4100..0.4100
31-40 years ago......
41-50 years ago..0.41000.4100
over 50 years ago......
total0.77012.1512.83
SOn/a......
less than 10 years ago..17.41017.410
11-20 years ago0.41009.5189.817
21-30 years ago..0.8700.870
31-40 years ago0.8701.5492.340
41-50 years ago..0.41000.4100
over 50 years ago..0.8700.870
total1.15730.3431.44
SZn/a......
less than 10 years ago1.1579.41610.515
11-20 years ago0.41004.7265.125
21-30 years ago..2.9342.934
31-40 years ago0.41002.2402.536
41-50 years ago..1.8441.844
over 50 years ago..2.9342.934
total1.84423.9625.75
TGn/a......
less than 10 years ago0.67012.81013.49
11-20 years ago..6.1206.120
21-30 years ago..1.2491.249
31-40 years ago......
41-50 years ago......
over 50 years ago..0.31000.3100
total0.67020.4421.04
TIn/a......
less than 10 years ago1.8446.4238.220
11-20 years ago4.3284.3288.620
21-30 years ago1.4507.2228.620
31-40 years ago2.1417.92110.018
41-50 years ago4.32810.01814.315
over 50 years ago4.32841.8846.17
total18.31377.6595.94
URn/a......
less than 10 years ago0.31005.0245.423
11-20 years ago1.3491.0572.336
21-30 years ago0.7701.7442.437
31-40 years ago0.31000.7701.057
41-50 years ago..0.31000.3100
over 50 years ago0.7702.3363.031
total3.33011.01414.311
VDn/a......
less than 10 years ago1.94444.7746.67
11-20 years ago1.15819.71320.912
21-30 years ago0.87110.21811.018
31-40 years ago0.8714.2304.927
41-50 years ago0.8713.0353.831
over 50 years ago0.41005.7256.124
total5.72587.5393.23
VSn/a0.3100..0.3100
less than 10 years ago4.82615.81420.612
11-20 years ago3.4317.92011.317
21-30 years ago3.8308.61912.416
31-40 years ago3.43110.71714.115
41-50 years ago4.1286.22310.318
over 50 years ago5.52519.21224.711
total25.41068.3593.73
ZGn/a......
less than 10 years ago0.41003.9214.318
11-20 years ago..0.9680.968
21-30 years ago..0.41000.4100
31-40 years ago......
41-50 years ago......
over 50 years ago......
total0.41005.1135.69
ZHn/a......
less than 10 years ago..36.7636.76
11-20 years ago0.41009.5179.917
21-30 years ago..2.8352.835
31-40 years ago..0.7700.770
41-50 years ago......
over 50 years ago..0.41000.4100
total0.410050.0250.42
Switzerlandn/a0.3100..0.3100
less than 10 years ago37.110428.82465.92
11-20 years ago28.911206.44235.33
21-30 years ago12.31789.16101.46
31-40 years ago12.01755.1867.17
41-50 years ago10.61842.2952.88
over 50 years ago16.714124.55141.25
total117.95946.011064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #156663/143042

NFI2

forest area: landslide/mudflow 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
landslide/mudflow SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %±
inside perimetern/a......0.60.6..0.30.3
less than 10 years ago51.07.068.811.648.87.824.43.414.34.431.92.5
11-20 years ago23.55.912.58.331.77.324.43.423.95.424.52.4
21-30 years ago7.83.86.36.14.93.414.02.77.93.410.41.7
31-40 years ago13.74.8..4.93.49.72.314.34.410.21.7
41-50 years ago..6.36.12.42.49.72.319.04.98.91.5
over 50 years ago3.92.76.36.17.34.117.12.920.65.113.91.9
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a............
less than 10 years ago54.92.369.31.843.62.232.91.79.91.845.30.9
11-20 years ago28.02.021.71.628.82.018.41.47.31.621.90.8
21-30 years ago8.71.35.10.911.81.412.11.29.11.79.40.6
31-40 years ago4.30.91.80.54.40.99.81.19.51.85.80.4
41-50 years ago1.60.60.80.44.00.96.30.913.52.14.40.4
over 50 years ago2.50.71.40.57.41.120.61.550.73.013.10.6
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 #156664/143043

NFI2

forest area: landslide/mudflow 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
landslide/mudflow SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a......0.3100..0.3100
less than 10 years ago9.5193.9307.22213.9163.23337.610
11-20 years ago4.4290.7714.72713.8165.32528.911
21-30 years ago1.5500.41000.7717.9211.84512.317
31-40 years ago2.638..0.7715.5253.23312.017
41-50 years ago..0.41000.41005.5254.32910.518
over 50 years ago0.7710.41001.1589.7194.62716.414
total18.6135.62514.81556.7722.312118.15
outside perimetern/a............
less than 10 years ago97.15152.9382.9584.769.619427.22
11-20 years ago49.6847.8854.8747.587.122206.84
21-30 years ago15.31511.21722.41231.2108.91988.96
31-40 years ago7.7213.9308.32025.3119.21954.38
41-50 years ago2.9351.8457.62116.31413.11641.69
over 50 years ago4.4293.23314.11653.0849.17123.85
total177.02220.71189.92257.9297.04942.61
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 #156665/143044

NFI2

forest area: landslide/mudflow 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
landslide/mudflow SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %± %±
inside perimetern/a......1.41.3....0.30.3
less than 10 years ago55.26.138.17.538.47.118.94.628.67.014.34.431.82.5
11-20 years ago20.95.026.26.836.17.013.54.035.77.423.95.424.52.3
21-30 years ago7.53.29.54.58.54.114.94.114.35.47.93.410.41.7
31-40 years ago10.43.79.54.56.43.613.54.02.42.414.34.410.11.6
41-50 years ago1.51.59.54.5..16.24.32.42.419.04.98.91.6
over 50 years ago4.52.57.14.010.64.521.64.816.75.820.65.113.91.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a..............
less than 10 years ago63.01.442.82.242.32.923.13.033.02.79.91.845.40.9
11-20 years ago24.41.327.22.024.02.511.52.321.92.47.31.621.90.8
21-30 years ago6.70.712.61.510.71.812.62.411.81.99.11.79.40.6
31-40 years ago2.90.54.10.96.51.415.62.68.81.69.51.85.70.4
41-50 years ago1.20.33.50.85.81.49.02.05.41.313.52.14.40.4
over 50 years ago1.90.49.91.410.61.828.13.219.22.350.73.013.10.6
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 #156666/143045

NFI2

forest area: landslide/mudflow 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
landslide/mudflow SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a......0.3100....0.3100
less than 10 years ago13.2165.8256.2234.8264.2283.23337.410
11-20 years ago5.0274.0305.9243.4315.3255.32528.911
21-30 years ago1.8451.4501.4503.8302.1411.84512.317
31-40 years ago2.5381.4501.0583.4310.41003.23311.917
41-50 years ago0.41001.450..4.1280.41004.32910.518
over 50 years ago1.1581.1581.7445.5252.5384.62716.414
total24.01215.11516.21425.41014.81522.312117.85
outside perimetern/a..............
less than 10 years ago250.7375.0642.5815.81434.499.619428.02
11-20 years ago97.3547.6824.1117.92022.8127.122206.84
21-30 years ago26.51122.01210.7178.61912.3168.91988.96
31-40 years ago11.4177.2226.62210.7179.1199.21954.28
41-50 years ago4.6286.1245.9246.2235.62513.11641.59
over 50 years ago7.52217.31410.71719.21220.01349.17123.95
total398.11175.32100.4368.35104.3397.04943.41
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 #156667/143046

NFI2

forest area: landslide/mudflow 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
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years) %± %± %±
Western Juran/a......
less than 10 years ago51.27.852.62.652.52.4
11-20 years ago26.86.928.72.328.52.2
21-30 years ago2.42.49.91.59.11.4
31-40 years ago14.65.54.01.05.01.1
41-50 years ago..1.60.61.40.6
over 50 years ago4.93.43.20.93.40.9
total100.0.100.0.100.0.
Eastern Juran/a......
less than 10 years ago50.015.962.54.761.44.5
11-20 years ago10.09.525.74.224.43.9
21-30 years ago30.014.54.52.06.62.3
31-40 years ago10.09.55.52.25.92.2
41-50 years ago..1.81.31.71.2
over 50 years ago......
total100.0.100.0.100.0.
Western Plateaun/a......
less than 10 years ago50.035.555.54.755.44.7
11-20 years ago..24.04.023.64.0
21-30 years ago50.035.58.02.68.72.6
31-40 years ago..5.32.15.22.1
41-50 years ago..3.61.83.51.7
over 50 years ago..3.61.83.51.7
total100.0.100.0.100.0.
Central Plateaun/a......
less than 10 years ago66.715.770.23.270.03.1
11-20 years ago22.213.924.12.924.02.9
21-30 years ago..2.81.12.71.1
31-40 years ago..0.90.70.90.6
41-50 years ago11.110.50.50.50.90.6
over 50 years ago..1.50.91.40.8
total100.0.100.0.100.0.
Eastern Plateaun/a......
less than 10 years ago80.017.973.62.573.72.5
11-20 years ago..19.12.318.82.2
21-30 years ago..5.61.35.51.3
31-40 years ago..1.00.61.00.6
41-50 years ago......
over 50 years ago20.017.90.70.51.00.6
total100.0.100.0.100.0.
Western Pre-Alpsn/a......
less than 10 years ago44.416.631.34.632.44.5
11-20 years ago22.213.928.44.527.94.3
21-30 years ago11.110.519.63.919.03.7
31-40 years ago11.110.53.91.94.52.0
41-50 years ago11.110.53.91.94.52.0
over 50 years ago..12.73.311.73.1
total100.0.100.0.100.0.
Central Pre-Alpsn/a......
less than 10 years ago60.015.548.43.148.93.1
11-20 years ago20.012.729.92.929.52.8
21-30 years ago..9.81.99.51.8
31-40 years ago..3.11.13.01.1
41-50 years ago..2.41.02.30.9
over 50 years ago20.012.76.31.56.81.6
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a......
less than 10 years ago45.510.643.93.844.03.6
11-20 years ago40.910.527.53.429.03.3
21-30 years ago4.54.59.92.39.32.1
31-40 years ago4.54.56.41.96.21.7
41-50 years ago..6.41.95.71.7
over 50 years ago4.54.55.81.85.71.7
total100.0.100.0.100.0.
Northwestern Alpsn/a......
less than 10 years ago26.29.240.84.338.63.9
11-20 years ago30.49.620.83.622.23.4
21-30 years ago13.07.012.32.912.42.7
31-40 years ago13.07.06.12.17.22.1
41-50 years ago13.07.05.42.06.52.0
over 50 years ago4.34.314.63.113.12.7
total100.0.100.0.100.0.
Central Alpsn/a......
less than 10 years ago25.012.644.36.940.76.2
11-20 years ago33.313.711.54.415.64.5
21-30 years ago16.710.811.64.512.64.2
31-40 years ago8.38.05.73.26.23.0
41-50 years ago..1.91.91.61.6
over 50 years ago16.710.824.96.023.35.3
total100.0.100.0.100.0.
Northeastern Alpsn/a......
less than 10 years ago38.513.537.35.937.55.4
11-20 years ago30.712.823.95.225.04.9
21-30 years ago7.77.411.94.011.23.5
31-40 years ago7.77.47.53.27.53.0
41-50 years ago..7.53.26.22.7
over 50 years ago15.410.011.94.012.53.7
total100.0.100.0.100.0.
Southwestern Alpsn/a1.41.3..0.40.4
less than 10 years ago18.94.623.13.022.02.5
11-20 years ago13.54.011.52.312.12.0
21-30 years ago14.94.112.62.413.22.1
31-40 years ago13.54.015.62.615.02.2
41-50 years ago16.24.39.02.011.01.9
over 50 years ago21.64.828.13.226.42.7
total100.0.100.0.100.0.
Southeastern Alpsn/a......
less than 10 years ago28.67.033.02.732.42.5
11-20 years ago35.77.421.92.423.62.3
21-30 years ago14.35.411.81.912.11.8
31-40 years ago2.42.48.81.68.01.5
41-50 years ago2.42.45.41.35.01.2
over 50 years ago16.75.819.22.318.92.1
total100.0.100.0.100.0.
Southern Alpsn/a......
less than 10 years ago14.34.49.91.810.71.7
11-20 years ago23.95.47.31.610.41.7
21-30 years ago7.93.49.11.78.91.6
31-40 years ago14.34.49.51.810.41.7
41-50 years ago19.04.913.52.114.61.9
over 50 years ago20.65.150.73.045.02.7
total100.0.100.0.100.0.
Switzerlandn/a0.30.3..0.00.0
less than 10 years ago31.82.545.20.943.70.9
11-20 years ago24.52.321.90.822.20.8
21-30 years ago10.51.79.50.69.60.5
31-40 years ago10.21.75.80.56.30.4
41-50 years ago8.91.54.40.44.90.4
over 50 years ago13.91.913.10.613.20.6
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156668/143047

NFI2

forest area: landslide/mudflow 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
landslide/mudflow 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 ago7.52170.7578.15
11-20 years ago3.93038.6842.58
21-30 years ago0.410013.21613.616
31-40 years ago2.1415.4257.521
41-50 years ago..2.1412.141
over 50 years ago0.7714.3295.026
total14.615134.32148.92
Eastern Juran/a......
less than 10 years ago2.04426.9828.98
11-20 years ago0.410011.11711.516
21-30 years ago1.2571.9443.135
31-40 years ago0.41002.4402.837
41-50 years ago..0.8700.870
over 50 years ago......
total4.03043.0447.03
Western Plateaun/a......
less than 10 years ago0.410025.7926.19
11-20 years ago..11.11711.117
21-30 years ago0.41003.7324.130
31-40 years ago..2.5402.540
41-50 years ago..1.6491.649
over 50 years ago..1.6491.649
total0.87046.3447.24
Central Plateaun/a......
less than 10 years ago1.94046.2548.15
11-20 years ago0.67115.91316.512
21-30 years ago..1.9401.940
31-40 years ago..0.6710.671
41-50 years ago0.31000.31000.671
over 50 years ago..1.0581.058
total2.83365.9368.72
Eastern Plateaun/a......
less than 10 years ago1.45079.7481.14
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 ago0.41000.7711.158
total1.844108.32110.12
Western Pre-Alpsn/a......
less than 10 years ago1.54911.81613.314
11-20 years ago0.77010.71711.516
21-30 years ago0.41007.4217.820
31-40 years ago0.41001.5491.944
41-50 years ago0.41001.5491.944
over 50 years ago..4.8274.827
total3.33237.7541.14
Central Pre-Alpsn/a......
less than 10 years ago2.24044.1746.37
11-20 years ago0.77127.21028.010
21-30 years ago..9.0199.019
31-40 years ago..2.9352.935
41-50 years ago..2.2402.240
over 50 years ago0.7715.7246.523
total3.63191.1394.72
Eastern Pre-Alpsn/a......
less than 10 years ago3.63126.81030.49
11-20 years ago3.23316.81320.012
21-30 years ago0.41006.1236.423
31-40 years ago0.41003.9294.328
41-50 years ago..3.9293.929
over 50 years ago0.41003.6313.929
total7.92061.1468.93
Northwestern Alpsn/a......
less than 10 years ago2.24018.91221.111
11-20 years ago2.5379.61812.116
21-30 years ago1.1575.7246.822
31-40 years ago1.1572.9353.929
41-50 years ago1.1572.5373.631
over 50 years ago0.41006.8227.221
total8.22046.5654.74
Central Alpsn/a......
less than 10 years ago1.0578.0199.018
11-20 years ago1.4492.1403.430
21-30 years ago0.7702.1402.834
31-40 years ago0.31001.0571.449
41-50 years ago..0.31000.3100
over 50 years ago0.7704.5265.224
total4.12718.01022.18
Northeastern Alpsn/a......
less than 10 years ago1.8448.91810.716
11-20 years ago1.4495.7247.221
21-30 years ago0.41002.9343.232
31-40 years ago0.41001.8442.140
41-50 years ago..1.8441.844
over 50 years ago0.7702.9343.630
total4.72624.0828.76
Southwestern Alpsn/a0.3100..0.3100
less than 10 years ago4.82615.81420.612
11-20 years ago3.4317.92011.317
21-30 years ago3.8308.61912.416
31-40 years ago3.43110.71714.115
41-50 years ago4.1286.22310.318
over 50 years ago5.52519.21224.711
total25.41068.3593.73
Southeastern Alpsn/a......
less than 10 years ago4.22834.4938.68
11-20 years ago5.32522.81228.110
21-30 years ago2.14112.31614.415
31-40 years ago0.41009.1199.519
41-50 years ago0.41005.6256.024
over 50 years ago2.53820.01322.512
total14.815104.33119.03
Southern Alpsn/a......
less than 10 years ago3.2339.61912.816
11-20 years ago5.3257.12212.416
21-30 years ago1.8458.91910.618
31-40 years ago3.2339.21912.416
41-50 years ago4.32913.11617.414
over 50 years ago4.62749.1753.77
total22.31297.04119.33
Switzerlandn/a0.3100..0.3100
less than 10 years ago37.610427.52465.12
11-20 years ago28.911207.44236.33
21-30 years ago12.41789.76102.16
31-40 years ago12.01754.9866.97
41-50 years ago10.51842.0952.58
over 50 years ago16.514124.25140.75
total118.25945.711063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156669/143048

NFI2

forest area: landslide/mudflow 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
landslide/mudflow SilvaProtect, modelled and assigneddegree of mixture %± %± %± %± %± %± %±
inside perimetern/a....1.11.1......0.30.3
pure conifer forest20.05.415.88.437.65.076.15.273.07.336.06.044.52.7
mixed conifer forest29.16.136.811.122.64.39.03.513.55.64.72.617.42.1
mixed broadleaf forest27.36.026.310.116.13.83.02.15.43.7..11.71.8
pure broadleaf forest23.65.721.19.422.64.311.94.08.14.559.36.126.12.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.40.30.40.21.70.51.10.80.80.61.40.71.00.2
pure conifer forest27.52.132.51.853.41.876.73.288.22.130.72.845.50.9
mixed conifer forest30.62.128.51.723.31.59.42.21.70.89.01.721.60.8
mixed broadleaf forest20.91.917.61.412.01.25.51.73.81.28.61.713.50.7
pure broadleaf forest20.61.921.01.59.61.07.21.95.51.550.33.018.40.7
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 #156670/143049

NFI2

forest area: landslide/mudflow 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
landslide/mudflow SilvaProtect, modelled and assigneddegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a....0.4100......0.4100
pure conifer forest4.0301.15812.41717.4139.5198.22052.68
mixed conifer forest5.8252.5387.5222.1411.8441.15820.613
mixed broadleaf forest5.4251.8455.3260.7710.771..13.916
pure broadleaf forest4.7271.4507.4222.7351.15813.51630.910
total19.8136.72333.01022.91113.11622.812118.35
outside perimetern/a0.7711.1584.8280.7710.7711.4509.420
pure conifer forest46.5880.36150.5447.3773.7530.610428.82
mixed conifer forest51.9770.4665.775.8241.4508.920204.14
mixed broadleaf forest35.3943.5833.8103.4313.2338.520127.75
pure broadleaf forest34.9952.0727.0114.4274.62750.17173.14
total169.32247.21281.6261.7583.6499.64943.01
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 #156671/143050
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