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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
grid: terrestrial grid NFI2
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%....0.50.50.80.83.72.10.70.70.90.4
21-40%1.01.02.62.64.41.511.32.811.23.56.62.06.30.9
41-60%1.01.0..11.52.417.03.423.84.811.12.511.51.2
61-80%36.94.828.97.430.23.439.54.442.45.525.03.533.11.8
over 80%61.24.868.47.553.33.731.44.218.84.456.64.048.21.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.80.30.50.22.60.42.90.81.50.51.20.41.50.2
21-40%4.00.60.70.27.30.612.31.620.11.78.31.16.80.3
41-60%10.51.04.10.521.51.027.62.232.52.022.11.616.90.5
61-80%28.61.421.91.135.21.136.92.332.92.033.21.930.40.6
over 80%56.11.672.81.233.41.120.32.013.01.435.21.944.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.70.30.50.22.40.42.40.71.70.51.10.41.50.1
21-40%3.70.60.80.27.00.612.11.419.01.68.01.06.70.3
41-60%9.50.94.00.520.60.925.21.931.41.820.01.416.30.4
61-80%29.41.422.11.134.71.137.52.134.11.931.61.730.70.6
over 80%56.61.572.71.235.31.122.81.813.81.439.31.744.80.6
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 #157559/143938

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
grid: terrestrial grid NFI2
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%....0.21000.21000.5580.21001.041
21-40%0.21000.21001.4352.4261.6331.8327.515
41-60%0.2100..3.7223.6223.3233.02413.811
61-80%6.8161.9309.7138.3145.9176.71639.47
over 80%11.3124.61917.2106.6162.62615.21057.55
total18.596.71632.2721.0814.01126.98119.24
outside perimeter0-20%1.4351.2388.0152.1291.4351.43515.511
21-40%7.0161.83222.398.81319.499.41368.65
41-60%18.31010.21365.9519.8931.4724.98170.53
61-80%50.1554.85107.6426.4731.7737.56308.12
over 80%98.33181.92102.1414.61012.61139.86449.12
total175.12249.91305.8171.7396.43112.931011.91
total0-20%1.4351.2388.2152.2281.9301.63316.510
21-40%7.2161.93023.7811.21220.9911.11276.15
41-60%18.5910.21369.6523.4834.7627.97184.33
61-80%56.9556.75117.3334.7637.6644.26347.52
over 80%109.63186.42119.2321.2815.21055.05506.61
total193.61256.61338.0192.72110.42139.821131.11

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #157560/143939

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
grid: terrestrial grid NFI2
state 1993/95
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of cover (aerial photo, 5 classes) %± %± %±
AG0-20%..0.40.40.40.4
21-40%......
41-60%..2.30.92.30.9
61-80%22.213.923.42.623.42.6
over 80%77.813.873.82.874.02.7
total100.0.100.0.100.0.
AI0-20%..3.33.33.13.1
21-40%..10.05.59.45.2
41-60%50.035.816.76.918.87.0
61-80%..23.37.821.97.4
over 80%50.035.846.79.146.98.8
total100.0.100.0.100.0.
AR0-20%......
21-40%8.38.0..2.01.9
41-60%8.38.02.52.53.92.7
61-80%16.710.843.68.037.36.8
over 80%66.713.653.88.156.87.0
total100.0.100.0.100.0.
BE0-20%..1.40.41.30.4
21-40%..4.10.73.70.6
41-60%6.82.715.21.214.41.1
61-80%34.15.135.01.634.91.6
over 80%59.15.244.31.745.71.6
total100.0.100.0.100.0.
BL/BS0-20%......
21-40%......
41-60%..3.11.82.91.7
61-80%12.511.727.14.625.94.3
over 80%87.511.669.84.771.24.5
total100.0.100.0.100.0.
FR0-20%......
21-40%..1.30.81.30.8
41-60%..12.12.211.82.1
61-80%33.319.328.73.028.83.0
over 80%66.719.357.93.358.13.3
total100.0.100.0.100.0.
GE0-20%......
21-40%......
41-60%..9.39.29.39.2
61-80%......
over 80%..90.79.290.79.2
total..100.0.100.0.
GL0-20%7.16.91.31.32.21.6
21-40%..7.93.16.62.6
41-60%7.16.930.55.326.94.7
61-80%35.712.818.44.521.14.3
over 80%50.013.442.05.743.25.2
total100.0.100.0.100.0.
GR0-20%2.51.41.80.51.90.5
21-40%10.02.717.21.316.31.2
41-60%20.03.731.61.630.11.5
61-80%36.64.432.91.633.41.5
over 80%30.84.216.41.318.31.3
total100.0.100.0.100.0.
JU0-20%..0.60.60.50.5
21-40%..1.10.81.00.7
41-60%..8.62.17.92.0
61-80%41.211.920.73.122.53.0
over 80%58.811.969.03.568.13.4
total100.0.100.0.100.0.
LU0-20%..0.40.40.40.4
21-40%..4.81.44.71.4
41-60%..7.81.87.71.7
61-80%20.017.930.33.030.13.0
over 80%80.017.956.73.357.23.2
total100.0.100.0.100.0.
NE0-20%..2.11.21.91.1
21-40%5.95.72.71.43.11.4
41-60%5.95.713.02.812.32.6
61-80%47.112.141.14.141.73.9
over 80%41.211.941.14.141.13.9
total100.0.100.0.100.0.
NW0-20%..2.92.92.52.5
21-40%..8.64.87.54.2
41-60%..16.96.414.85.6
61-80%20.018.128.77.727.67.1
over 80%80.017.943.08.447.67.9
total100.0.100.0.100.0.
OW0-20%..2.91.72.71.6
21-40%..7.82.77.22.5
41-60%25.015.424.34.224.34.1
61-80%37.517.233.04.633.34.5
over 80%37.517.232.04.632.44.5
total100.0.100.0.100.0.
SG0-20%..2.10.92.00.8
21-40%..4.31.23.91.1
41-60%7.75.216.72.215.92.1
61-80%34.79.330.52.730.92.6
over 80%57.79.746.43.047.42.8
total100.0.100.0.100.0.
SH0-20%..1.61.61.51.5
21-40%..2.92.12.82.0
41-60%......
61-80%100.0.19.15.021.65.2
over 80%..76.35.474.05.5
total100.0.100.0.100.0.
SO0-20%......
21-40%......
41-60%..2.91.32.81.2
61-80%9.18.716.52.816.12.7
over 80%90.98.680.63.081.22.9
total100.0.100.0.100.0.
SZ0-20%..2.71.42.51.3
21-40%..7.52.27.02.0
41-60%..15.83.014.62.8
61-80%16.710.833.63.932.33.7
over 80%83.310.740.44.043.73.9
total100.0.100.0.100.0.
TG0-20%..1.61.21.61.1
21-40%..3.31.63.21.6
41-60%..7.42.47.32.3
61-80%66.727.329.54.130.44.1
over 80%33.327.358.14.557.54.4
total100.0.100.0.100.0.
TI0-20%0.80.81.00.51.00.4
21-40%5.72.17.21.26.91.0
41-60%10.62.819.61.817.81.5
61-80%26.24.033.72.132.21.9
over 80%56.64.538.62.242.22.0
total100.0.100.0.100.0.
UR0-20%..5.42.74.42.1
21-40%11.17.415.04.214.23.7
41-60%22.29.823.35.023.14.4
61-80%44.411.735.65.637.45.1
over 80%22.29.820.64.820.94.3
total100.0.100.0.100.0.
VD0-20%..1.60.51.50.5
21-40%6.14.27.61.27.51.1
41-60%6.14.217.71.717.01.6
61-80%33.38.228.32.028.61.9
over 80%54.58.744.82.245.42.1
total100.0.100.0.100.0.
VS0-20%0.70.73.60.93.00.7
21-40%13.12.912.01.512.31.3
41-60%16.13.127.32.024.81.7
61-80%38.04.134.72.235.41.9
over 80%32.14.022.31.924.51.7
total100.0.100.0.100.0.
ZG0-20%......
21-40%..2.92.92.92.9
41-60%......
61-80%..29.47.928.67.7
over 80%100.0.67.67.968.67.7
total100.0.100.0.100.0.
ZH0-20%..0.70.50.70.5
21-40%..1.40.71.40.7
41-60%..6.11.46.01.4
61-80%..22.32.522.12.5
over 80%100.0.69.42.869.82.7
total100.0.100.0.100.0.
Switzerland0-20%0.90.41.50.21.50.1
21-40%6.20.96.70.36.70.3
41-60%11.51.216.80.516.20.4
61-80%33.11.830.40.630.70.6
over 80%48.31.944.60.645.00.6
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #157561/143940

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
grid: terrestrial grid NFI2
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%..0.21000.2100
21-40%......
41-60%..1.1401.140
61-80%0.47111.11111.511
over 80%1.33735.0436.34
total1.73347.5249.12
AI0-20%..0.21000.2100
21-40%..0.5560.556
41-60%0.21000.8421.038
61-80%..1.1341.134
over 80%0.21002.3212.420
total0.3704.885.27
AR0-20%......
21-40%0.2100..0.2100
41-60%0.21000.21000.370
61-80%0.3702.7213.119
over 80%1.3333.4184.713
total1.9266.3108.26
BE0-20%..2.1292.129
21-40%..6.2176.217
41-60%1.14123.0824.18
61-80%5.41853.0558.35
over 80%9.31467.1476.44
total15.710151.52167.22
BL/BS0-20%......
21-40%......
41-60%..0.6570.657
61-80%0.21005.1185.317
over 80%1.43713.2814.67
total1.63418.9520.54
FR0-20%......
21-40%..0.6580.658
41-60%..5.0185.018
61-80%0.47111.81112.111
over 80%0.75023.8624.56
total1.14041.1342.23
GE0-20%......
21-40%......
41-60%..0.21000.2100
61-80%......
over 80%..2.4212.421
total..2.7182.718
GL0-20%0.21000.21000.370
21-40%..1.0401.040
41-60%0.21004.1204.219
61-80%0.9442.4253.321
over 80%1.2375.6156.813
total2.42513.3815.77
GR0-20%0.5582.6263.123
21-40%2.12924.2826.38
41-60%4.22044.4648.65
61-80%7.61546.2553.85
over 80%6.41623.0829.47
total20.89140.42161.22
JU0-20%..0.21000.2100
21-40%..0.4710.471
41-60%..2.7252.725
61-80%1.2376.4157.614
over 80%1.83121.3623.15
total3.02330.9333.93
LU0-20%..0.21000.2100
21-40%..1.9301.930
41-60%..3.1233.123
61-80%0.210012.21012.310
over 80%0.75022.7623.46
total0.94440.1341.03
NE0-20%..0.5580.558
21-40%0.21000.7500.944
41-60%0.21003.3223.521
61-80%1.43510.61112.010
over 80%1.23710.61111.810
total3.02325.7428.73
NW0-20%..0.21000.2100
21-40%..0.6560.656
41-60%..1.2391.239
61-80%0.21002.0282.227
over 80%0.8482.9213.718
total1.0436.897.87
OW0-20%..0.5580.558
21-40%..1.4351.435
41-60%0.3704.3184.617
61-80%0.5575.8156.414
over 80%0.5575.7156.214
total1.43417.7519.14
SG0-20%..1.1411.141
21-40%..2.1292.129
41-60%0.3718.2148.613
61-80%1.63315.01016.69
over 80%2.62522.9725.57
total4.51949.3353.83
SH0-20%..0.21000.2100
21-40%..0.4710.471
41-60%......
61-80%0.4702.4262.824
over 80%..9.689.68
total0.47012.6513.04
SO0-20%......
21-40%......
41-60%..0.9450.945
61-80%0.21005.0175.217
over 80%1.73124.6526.34
total1.92930.5332.43
SZ0-20%..0.7500.750
21-40%..2.0302.030
41-60%..4.1204.120
61-80%0.4708.8139.112
over 80%1.83110.51112.39
total2.12826.1428.24
TG0-20%..0.3700.370
21-40%..0.7490.749
41-60%..1.5331.533
61-80%0.3706.0156.414
over 80%0.210011.9912.18
total0.55720.4420.94
TI0-20%0.21000.9451.141
21-40%1.2386.2177.515
41-60%2.32817.11019.49
61-80%5.71729.4735.16
over 80%12.31133.7646.05
total21.8887.43109.22
UR0-20%..0.7500.750
21-40%0.4702.0292.427
41-60%0.7493.1233.820
61-80%1.5344.7186.215
over 80%0.7492.7253.521
total3.32213.3916.67
VD0-20%..1.4351.435
21-40%0.4716.9167.215
41-60%0.47116.01016.410
61-80%1.93025.5727.57
over 80%3.22340.5543.75
total5.81790.4296.22
VS0-20%0.21002.9243.123
21-40%3.0239.71312.711
41-60%3.72121.9825.67
61-80%8.81327.8736.66
over 80%7.41517.9925.37
total23.1880.23103.32
ZG0-20%......
21-40%..0.21000.2100
41-60%......
61-80%..1.7281.728
over 80%0.21003.8144.013
total0.21005.775.86
ZH0-20%..0.4710.471
21-40%..0.7500.750
41-60%..3.0243.024
61-80%..11.01111.011
over 80%0.55834.2534.84
total0.55849.3249.92
Switzerland0-20%1.04115.41116.510
21-40%7.41568.3575.75
41-60%13.711169.93183.73
61-80%39.47307.92347.32
over 80%57.45451.52508.91
total118.941013.011131.91

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #157562/143941

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
grid: terrestrial grid NFI2
state 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
inside perimeter0-20%......1.60.70.70.70.90.4
21-40%1.01.0..2.51.89.41.66.62.06.30.9
41-60%1.01.0..7.63.017.32.111.22.611.51.2
61-80%38.14.930.38.026.65.037.32.725.23.533.11.8
over 80%59.85.069.78.063.35.434.52.756.34.048.21.9
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.80.30.50.21.20.33.00.41.30.41.50.2
21-40%3.60.61.20.34.40.614.00.88.61.16.80.3
41-60%9.60.94.60.617.51.128.41.121.61.716.80.5
61-80%27.51.422.31.237.01.433.01.133.11.930.50.6
over 80%58.51.671.31.339.91.521.51.035.41.944.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.70.30.50.21.20.32.80.41.20.41.50.1
21-40%3.30.51.10.34.30.613.30.88.21.06.70.3
41-60%8.90.94.50.616.81.126.61.019.61.416.30.5
61-80%28.51.422.51.236.31.433.71.131.61.730.70.6
over 80%58.61.571.31.341.41.423.60.939.51.844.80.6
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 #157563/143942

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
grid: terrestrial grid NFI2
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%......0.9450.21001.041
21-40%0.2100..0.4715.2181.8327.515
41-60%0.2100..1.1419.5133.02413.811
61-80%6.7161.8323.72220.696.71639.57
over 80%10.5134.0218.81419.1915.01057.55
total17.6105.81714.01155.3526.68119.34
outside perimeter0-20%1.4351.2382.5278.9141.43515.411
21-40%6.5162.6268.81441.269.41368.55
41-60%17.61010.41335.2783.4423.68170.23
61-80%50.3550.0574.5497.0436.16307.92
over 80%106.73159.8280.3463.2538.66448.72
total182.51224.01201.31293.82109.131010.71
total0-20%1.4351.2382.5279.7131.63316.510
21-40%6.7162.6269.21446.4611.11276.05
41-60%17.81010.41336.3793.0426.68184.03
61-80%57.0551.8578.24117.6342.86347.42
over 80%117.33163.8289.2482.3453.65506.21
total200.11229.81215.31349.01135.821130.01

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #157564/143943

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
grid: terrestrial grid NFI2
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%....1.21.20.70.73.31.90.70.70.90.4
21-40%0.80.82.41.63.52.013.12.99.93.16.62.06.30.9
41-60%0.80.811.83.510.63.316.13.122.04.311.22.611.61.2
61-80%36.24.229.44.929.54.938.04.141.75.225.23.533.11.8
over 80%62.34.256.45.455.35.432.14.023.14.456.34.048.21.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.70.22.00.42.50.63.60.91.80.51.30.41.50.2
21-40%2.20.36.30.86.71.012.01.517.91.58.61.16.80.3
41-60%6.80.521.11.317.91.527.32.032.01.821.61.716.80.5
61-80%24.60.937.61.531.31.834.72.233.21.833.11.930.50.6
over 80%65.71.033.11.541.71.922.31.915.11.435.41.944.40.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.60.21.80.42.30.63.00.71.90.51.20.41.50.1
21-40%2.20.36.00.76.40.912.31.316.91.38.21.06.70.3
41-60%6.50.520.41.217.01.424.81.730.91.719.61.416.30.5
61-80%25.20.937.01.531.11.735.41.934.21.731.61.730.70.6
over 80%65.51.034.91.443.21.824.51.716.01.339.51.844.80.6
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 #157565/143944

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
grid: terrestrial grid NFI2
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%....0.21000.21000.5580.21001.041
21-40%0.21000.4710.5583.0231.6331.8327.415
41-60%0.21001.8321.5333.7213.5223.02413.711
61-80%8.4144.5204.3208.8136.6166.71639.37
over 80%14.4118.7148.1147.4153.72215.01057.25
total23.2915.41114.61023.1815.91026.68118.74
outside perimeter0-20%2.7263.6222.8252.9242.1291.43515.411
21-40%9.11411.6127.6159.71321.399.41368.55
41-60%27.8838.8620.1921.9838.1623.68170.43
61-80%100.2469.4435.1627.8739.5636.16308.22
over 80%267.1260.9546.8517.9917.9938.66449.32
total406.91184.32112.4280.23118.92109.131011.81
total0-20%2.7263.6222.9243.1232.6261.63316.510
21-40%9.31411.9128.11412.71122.8811.11275.95
41-60%28.0840.6621.6825.6741.6626.68184.13
61-80%108.5473.9439.4636.6646.1542.86347.52
over 80%281.6269.6454.9425.3721.6853.65506.61
total430.01199.71127.02103.32134.82135.821130.51

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #157566/143945

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
grid: terrestrial grid NFI2
state 1993/95
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes) %± %± %±
Western Jura0-20%..0.90.30.80.3
21-40%1.31.24.40.74.10.7
41-60%1.31.211.81.210.91.1
61-80%41.35.528.21.629.41.6
over 80%56.35.554.71.854.81.7
total100.0.100.0.100.0.
Eastern Jura0-20%..0.40.40.40.4
21-40%..0.80.60.80.5
41-60%..2.21.02.00.9
61-80%23.510.325.42.925.22.8
over 80%76.510.271.23.071.62.9
total100.0.100.0.100.0.
Western Plateau0-20%..0.70.50.70.5
21-40%..1.50.71.50.7
41-60%..7.01.66.91.5
61-80%60.021.922.22.522.92.5
over 80%40.021.968.52.868.02.8
total100.0.100.0.100.0.
Central Plateau0-20%......
21-40%..0.80.40.70.4
41-60%..2.30.82.20.7
61-80%16.78.820.12.020.02.0
over 80%83.38.876.82.177.12.1
total100.0.100.0.100.0.
Eastern Plateau0-20%..0.80.40.80.4
21-40%..1.30.51.30.5
41-60%..5.10.95.00.9
61-80%40.015.523.81.724.11.7
over 80%60.015.569.01.968.91.9
total100.0.100.0.100.0.
Western Pre-Alps0-20%..0.40.40.40.4
21-40%6.36.15.41.55.41.5
41-60%..22.82.821.22.6
61-80%37.512.135.73.235.83.1
over 80%56.312.435.73.237.13.1
total100.0.100.0.100.0.
Central Pre-Alps0-20%..1.30.51.20.5
21-40%..4.90.94.60.9
41-60%10.75.818.51.718.11.6
61-80%28.68.539.42.138.92.1
over 80%60.79.235.92.137.12.0
total100.0.100.0.100.0.
Eastern Pre-Alps0-20%..1.60.61.40.6
21-40%2.92.83.20.93.20.9
41-60%8.64.712.91.712.61.6
61-80%20.06.834.32.433.12.3
over 80%68.67.848.02.649.72.5
total100.0.100.0.100.0.
Northwestern Alps0-20%..4.61.34.01.1
21-40%2.42.410.01.98.91.6
41-60%17.15.924.92.723.82.5
61-80%26.96.935.63.034.42.7
over 80%53.57.825.02.728.82.6
total100.0.100.0.100.0.
Central Alps0-20%..4.92.04.01.6
21-40%7.45.113.23.112.12.7
41-60%14.86.819.83.618.93.2
61-80%33.39.131.44.231.73.8
over 80%44.49.630.64.233.13.9
total100.0.100.0.100.0.
Northeastern Alps0-20%4.34.22.71.32.91.3
21-40%..10.52.59.12.2
41-60%8.75.928.23.625.73.3
61-80%39.310.223.53.425.63.3
over 80%47.710.435.13.936.73.6
total100.0.100.0.100.0.
Southwestern Alps0-20%0.70.73.60.93.00.7
21-40%13.12.912.01.512.31.3
41-60%16.13.127.32.024.81.7
61-80%38.04.134.72.235.41.9
over 80%32.14.022.31.924.51.7
total100.0.100.0.100.0.
Southeastern Alps0-20%3.31.91.80.51.90.5
21-40%9.93.117.91.516.91.3
41-60%22.04.332.01.830.91.7
61-80%41.75.233.21.834.21.7
over 80%23.14.415.11.416.01.3
total100.0.100.0.100.0.
Southern Alps0-20%0.70.71.30.41.20.4
21-40%6.62.08.61.18.21.0
41-60%11.22.621.61.719.61.4
61-80%25.23.533.11.931.61.7
over 80%56.34.035.41.939.51.8
total100.0.100.0.100.0.
Switzerland0-20%0.90.41.50.21.50.1
21-40%6.20.96.80.36.70.3
41-60%11.61.216.80.516.30.4
61-80%33.11.830.50.630.80.6
over 80%48.21.944.40.644.80.6
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #157567/143946

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
grid: terrestrial grid NFI2
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%..1.2381.238
21-40%0.21006.1176.217
41-60%0.210016.41016.610
61-80%5.91739.0644.95
over 80%8.01575.7483.73
total14.211138.42152.61
Eastern Jura0-20%..0.21000.2100
21-40%..0.4710.471
41-60%..1.0441.044
61-80%0.85011.21212.011
over 80%2.52731.5534.05
total3.32344.2347.52
Western Plateau0-20%..0.4710.471
21-40%..0.7500.750
41-60%..3.4223.422
61-80%0.55810.81211.411
over 80%0.47133.4533.85
total0.94448.8349.73
Central Plateau0-20%......
21-40%..0.5580.558
41-60%..1.5331.533
61-80%0.55813.31013.810
over 80%2.52550.8353.33
total3.02366.1269.12
Eastern Plateau0-20%..0.9450.945
21-40%..1.4351.435
41-60%..5.5185.518
61-80%0.75026.0726.77
over 80%1.14175.3376.43
total1.831109.22111.02
Western Pre-Alps0-20%..0.21000.2100
21-40%0.21002.2282.327
41-60%..9.2139.213
61-80%1.14014.41015.59
over 80%1.63314.41016.09
total2.92440.4343.23
Central Pre-Alps0-20%..1.2381.238
21-40%..4.6194.619
41-60%0.55817.6918.19
61-80%1.43537.5638.96
over 80%3.02434.1637.16
total5.01895.12100.12
Eastern Pre-Alps0-20%..1.0411.041
21-40%0.21002.1292.327
41-60%0.5588.5149.113
61-80%1.23822.6823.87
over 80%4.22031.6635.85
total6.11665.9372.02
Northwestern Alps0-20%..2.2292.229
21-40%0.21004.8195.019
41-60%1.33812.01213.411
61-80%2.13017.3919.39
over 80%4.12112.11116.210
total7.61548.5456.13
Central Alps0-20%..1.1401.140
21-40%0.4712.9243.223
41-60%0.7504.3195.118
61-80%1.6336.9158.513
over 80%2.2286.7158.913
total4.91821.9626.85
Northeastern Alps0-20%0.21000.7500.945
21-40%..2.7242.724
41-60%0.3717.4147.714
61-80%1.5336.2167.714
over 80%1.9309.21211.111
total3.92026.2630.15
Southwestern Alps0-20%0.21002.9243.123
21-40%3.0239.71312.711
41-60%3.72121.9825.67
61-80%8.81327.8736.66
over 80%7.41517.9925.37
total23.1880.23103.32
Southeastern Alps0-20%0.5582.1292.626
21-40%1.63321.3922.88
41-60%3.52238.1641.66
61-80%6.61639.5646.15
over 80%3.72217.9921.68
total15.910118.92134.82
Southern Alps0-20%0.21001.4351.633
21-40%1.8329.41311.112
41-60%3.02423.6826.68
61-80%6.71636.1642.86
over 80%15.01038.6653.65
total26.68109.13135.82
Switzerland0-20%1.04115.51116.610
21-40%7.41568.7576.15
41-60%13.811170.63184.43
61-80%39.47308.72348.12
over 80%57.55449.32506.81
total119.241012.811132.01

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #157568/143947

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
grid: terrestrial grid NFI2
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/a5.82.313.25.513.72.611.32.810.03.414.52.911.81.2
less than 10 years ago45.64.944.78.130.83.414.63.228.85.113.22.726.81.7
11-20 years ago20.44.023.76.924.73.217.73.427.55.017.13.121.41.6
21-30 years ago9.72.910.55.011.52.410.52.88.73.28.62.310.01.2
31-40 years ago7.82.62.62.67.72.012.12.910.03.412.52.79.51.1
41-50 years ago2.91.72.62.64.91.613.73.1..15.12.97.81.0
over 50 years ago7.82.62.62.66.61.820.13.615.04.019.03.212.71.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a11.41.011.70.913.40.813.51.712.51.410.81.212.20.4
less than 10 years ago48.11.660.81.335.11.117.51.828.01.910.01.239.00.6
11-20 years ago24.41.419.61.121.21.012.11.619.91.78.91.119.20.5
21-30 years ago8.20.94.30.510.80.712.31.69.21.28.11.18.40.4
31-40 years ago3.60.61.30.35.20.512.11.66.51.08.51.14.90.3
41-50 years ago1.10.30.80.23.70.57.81.34.30.912.21.33.80.2
over 50 years ago3.20.61.60.310.60.724.82.119.51.741.41.912.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a10.80.911.70.813.40.813.01.412.21.311.51.112.20.4
less than 10 years ago47.91.560.41.334.71.116.81.628.11.810.61.137.70.6
11-20 years ago24.01.319.71.021.60.913.31.520.91.610.51.119.50.5
21-30 years ago8.30.84.50.510.90.711.91.49.21.18.21.08.60.3
31-40 years ago4.00.61.40.35.40.512.11.46.91.09.21.05.40.3
41-50 years ago1.30.30.80.23.80.49.11.23.80.812.81.24.20.2
over 50 years ago3.60.61.60.310.20.723.71.818.91.637.11.712.40.4
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 #157569/143948

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
grid: terrestrial grid NFI2
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/a1.1410.9454.4202.4261.4353.92114.011
less than 10 years ago8.4143.0249.9133.1234.0213.52232.07
11-20 years ago3.8221.6338.0153.7213.8214.61925.58
21-30 years ago1.8310.7503.7222.2281.2382.32811.912
31-40 years ago1.4350.21002.5272.5261.4353.42311.412
41-50 years ago0.5580.21001.6332.924..4.1219.214
over 50 years ago1.4350.21002.1294.2202.1295.11815.211
total18.596.71632.2721.0814.01126.98119.24
outside perimetern/a19.9929.1740.969.71312.01212.212123.94
less than 10 years ago84.34151.92107.2412.51127.0711.312394.22
11-20 years ago42.8648.9665.058.61419.2910.113194.53
21-30 years ago14.41110.81333.178.8138.9149.21485.14
31-40 years ago6.3173.42315.9108.6146.3169.51350.06
41-50 years ago2.0301.93011.3125.6174.22013.81138.87
over 50 years ago5.6183.92132.4717.8918.8946.85125.23
total175.12249.91305.8171.7396.43112.931011.91
totaln/a21.0930.0745.3612.11113.41116.110137.93
less than 10 years ago92.73154.92117.1315.61031.0714.910426.22
11-20 years ago46.5650.5572.9412.41123.0814.711220.03
21-30 years ago16.21011.51236.8711.01210.11311.51297.14
31-40 years ago7.7153.52218.41011.2127.71512.91161.45
41-50 years ago2.5272.12912.9128.5144.22017.9948.06
over 50 years ago7.0164.12134.5722.0820.9951.95140.43
total193.61256.61338.0192.72110.42139.821131.11

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #157570/143949

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
grid: terrestrial grid NFI2
state 1993/95
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years) %± %± %±
AGn/a..9.41.89.11.8
less than 10 years ago22.213.968.02.966.42.9
11-20 years ago33.315.715.62.316.22.3
21-30 years ago11.110.53.51.23.81.2
31-40 years ago..2.00.91.90.8
41-50 years ago22.213.90.40.41.10.7
over 50 years ago11.110.51.20.71.50.8
total100.0.100.0.100.0.
AIn/a..16.76.915.66.5
less than 10 years ago100.0.20.07.425.07.7
11-20 years ago..33.38.731.38.2
21-30 years ago..20.07.418.87.0
31-40 years ago......
41-50 years ago..6.74.66.34.3
over 50 years ago..3.33.33.13.1
total100.0.100.0.100.0.
ARn/a25.012.610.24.913.74.8
less than 10 years ago25.012.648.48.042.96.9
11-20 years ago33.313.726.17.127.86.3
21-30 years ago8.38.010.24.99.84.2
31-40 years ago8.38.0..2.01.9
41-50 years ago......
over 50 years ago..5.13.53.92.7
total100.0.100.0.100.0.
BEn/a12.53.511.41.111.51.0
less than 10 years ago37.55.247.01.746.11.6
11-20 years ago25.04.622.51.422.71.4
21-30 years ago10.23.28.00.98.20.9
31-40 years ago6.82.73.80.74.10.6
41-50 years ago5.72.51.40.41.80.4
over 50 years ago2.31.65.90.85.50.7
total100.0.100.0.100.0.
BL/BSn/a..11.33.210.53.0
less than 10 years ago62.517.141.75.143.34.9
11-20 years ago12.511.734.54.832.84.6
21-30 years ago12.511.75.12.25.62.3
31-40 years ago12.511.75.22.35.82.3
41-50 years ago..1.01.01.01.0
over 50 years ago..1.01.01.01.0
total100.0.100.0.100.0.
FRn/a..11.72.211.32.1
less than 10 years ago66.719.342.13.342.83.3
11-20 years ago16.715.221.12.721.02.7
21-30 years ago..12.62.212.22.2
31-40 years ago..4.51.44.41.4
41-50 years ago16.715.22.71.13.11.1
over 50 years ago..5.41.55.21.5
total100.0.100.0.100.0.
GEn/a..28.014.228.014.2
less than 10 years ago..25.313.225.313.2
11-20 years ago......
21-30 years ago..9.39.29.39.2
31-40 years ago..9.39.29.39.2
41-50 years ago..28.014.128.014.1
over 50 years ago......
total..100.0.100.0.
GLn/a14.39.415.94.215.73.8
less than 10 years ago21.411.031.55.330.04.8
11-20 years ago21.411.023.64.923.34.4
21-30 years ago14.39.46.62.87.82.8
31-40 years ago14.39.47.93.18.93.0
41-50 years ago..3.92.23.31.9
over 50 years ago14.39.410.63.511.13.3
total100.0.100.0.100.0.
GRn/a10.82.812.91.212.71.1
less than 10 years ago28.34.125.61.526.01.4
11-20 years ago25.84.018.51.419.41.3
21-30 years ago9.12.68.91.08.90.9
31-40 years ago10.82.87.10.97.60.9
41-50 years ago1.71.25.90.85.30.7
over 50 years ago13.43.121.01.420.11.3
total100.0.100.0.100.0.
JUn/a11.87.810.32.310.52.2
less than 10 years ago23.510.339.13.737.73.5
11-20 years ago17.69.332.23.530.93.4
21-30 years ago23.510.39.22.210.52.2
31-40 years ago5.95.74.01.54.21.5
41-50 years ago..2.31.12.11.0
over 50 years ago17.69.32.91.34.21.5
total100.0.100.0.100.0.
LUn/a..13.02.212.72.2
less than 10 years ago20.017.944.13.343.63.2
11-20 years ago40.021.927.73.028.02.9
21-30 years ago..10.02.09.71.9
31-40 years ago20.017.91.30.71.70.8
41-50 years ago......
over 50 years ago20.017.93.91.34.31.3
total100.0.100.0.100.0.
NEn/a5.95.711.62.711.02.5
less than 10 years ago76.510.263.74.065.03.7
11-20 years ago5.95.717.13.116.02.9
21-30 years ago..4.81.84.31.6
31-40 years ago..1.41.01.20.9
41-50 years ago..1.41.01.20.9
over 50 years ago11.87.8..1.20.9
total100.0.100.0.100.0.
NWn/a40.022.111.55.415.05.7
less than 10 years ago20.018.148.48.544.97.9
11-20 years ago20.018.114.36.015.05.7
21-30 years ago......
31-40 years ago......
41-50 years ago20.018.15.74.07.54.2
over 50 years ago..20.16.817.56.1
total100.0.100.0.100.0.
OWn/a12.511.712.73.312.63.2
less than 10 years ago37.517.231.04.531.54.4
11-20 years ago25.015.419.43.919.83.8
21-30 years ago..9.72.99.02.7
31-40 years ago..6.82.56.32.3
41-50 years ago..4.92.14.52.0
over 50 years ago25.015.415.53.616.23.5
total100.0.100.0.100.0.
SGn/a15.47.113.12.013.31.9
less than 10 years ago38.59.636.52.936.72.7
11-20 years ago34.69.324.52.625.32.5
21-30 years ago3.83.87.81.67.51.5
31-40 years ago3.83.84.31.24.21.1
41-50 years ago..4.61.24.21.1
over 50 years ago3.83.89.21.78.81.6
total100.0.100.0.100.0.
SHn/a..10.63.810.33.7
less than 10 years ago..57.46.155.76.1
11-20 years ago50.035.628.75.729.45.7
21-30 years ago50.035.6..1.51.5
31-40 years ago..1.61.61.51.5
41-50 years ago..1.61.61.51.5
over 50 years ago......
total100.0.100.0.100.0.
SOn/a9.18.712.52.512.32.4
less than 10 years ago27.313.555.03.853.43.7
11-20 years ago36.414.523.43.224.23.1
21-30 years ago..4.61.64.31.5
31-40 years ago18.211.72.31.13.21.3
41-50 years ago..0.60.60.50.5
over 50 years ago9.18.71.71.02.11.1
total100.0.100.0.100.0.
SZn/a8.38.013.02.812.72.6
less than 10 years ago50.014.534.23.935.43.8
11-20 years ago8.38.020.53.419.63.2
21-30 years ago8.38.09.62.49.52.3
31-40 years ago25.012.56.82.18.22.2
41-50 years ago..6.22.05.71.8
over 50 years ago..9.62.48.92.3
total100.0.100.0.100.0.
TGn/a..9.02.68.82.5
less than 10 years ago66.727.363.14.463.14.3
11-20 years ago33.327.323.03.823.23.8
21-30 years ago..3.31.63.21.6
31-40 years ago......
41-50 years ago......
over 50 years ago..1.71.21.71.2
total100.0.100.0.100.0.
TIn/a14.83.210.01.411.01.3
less than 10 years ago10.72.89.21.39.51.2
11-20 years ago16.43.47.81.29.51.2
21-30 years ago8.22.58.61.38.51.1
31-40 years ago11.52.98.61.39.21.2
41-50 years ago18.03.511.61.412.91.4
over 50 years ago20.43.644.22.239.52.0
total100.0.100.0.100.0.
URn/a11.17.420.54.718.64.1
less than 10 years ago11.17.435.65.630.84.9
11-20 years ago27.810.66.93.011.03.3
21-30 years ago27.810.610.93.714.33.7
31-40 years ago5.65.42.71.93.31.9
41-50 years ago..4.12.33.31.9
over 50 years ago16.78.819.24.618.74.1
total100.0.100.0.100.0.
VDn/a6.14.213.51.513.01.4
less than 10 years ago39.48.542.92.242.72.1
11-20 years ago15.26.218.71.718.51.7
21-30 years ago12.15.711.11.411.21.3
31-40 years ago12.15.73.70.84.20.9
41-50 years ago6.14.22.70.72.90.7
over 50 years ago9.15.07.41.27.51.1
total100.0.100.0.100.0.
VSn/a11.72.713.71.613.31.4
less than 10 years ago16.13.119.21.818.51.6
11-20 years ago17.53.212.21.513.41.4
21-30 years ago12.42.812.71.512.61.3
31-40 years ago10.92.711.61.511.41.3
41-50 years ago13.12.97.21.28.51.1
over 50 years ago18.23.323.51.922.31.7
total100.0.100.0.100.0.
ZGn/a..14.76.214.36.0
less than 10 years ago100.0.58.88.460.08.2
11-20 years ago..17.66.617.16.4
21-30 years ago..5.94.15.74.0
31-40 years ago......
41-50 years ago......
over 50 years ago..2.92.92.92.9
total100.0.100.0.100.0.
ZHn/a33.327.312.22.012.52.0
less than 10 years ago33.327.366.22.865.82.8
11-20 years ago33.327.315.12.115.32.1
21-30 years ago..4.31.24.31.2
31-40 years ago..1.40.71.40.7
41-50 years ago......
over 50 years ago..0.70.50.70.5
total100.0.100.0.100.0.
Switzerlandn/a11.81.212.20.412.20.4
less than 10 years ago26.71.739.00.637.70.6
11-20 years ago21.41.619.20.519.40.5
21-30 years ago10.01.28.40.48.60.3
31-40 years ago9.51.14.90.35.40.3
41-50 years ago7.81.03.80.34.30.2
over 50 years ago12.71.312.40.412.40.4
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #157571/143950

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
grid: terrestrial grid NFI2
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..4.5204.520
less than 10 years ago0.47132.3532.65
11-20 years ago0.6587.4158.014
21-30 years ago0.21001.7331.931
31-40 years ago..0.9440.944
41-50 years ago0.4710.21000.658
over 50 years ago0.21000.6580.750
total1.73347.5249.12
AIn/a..0.8420.842
less than 10 years ago0.3701.0381.332
11-20 years ago..1.6271.627
21-30 years ago..1.0381.038
31-40 years ago......
41-50 years ago..0.3700.370
over 50 years ago..0.21000.2100
total0.3704.885.27
ARn/a0.5570.6491.136
less than 10 years ago0.5573.0193.517
11-20 years ago0.6491.6302.324
21-30 years ago0.21000.6490.843
31-40 years ago0.2100..0.2100
41-50 years ago......
over 50 years ago..0.3700.370
total1.9266.3108.26
BEn/a2.03017.31019.39
less than 10 years ago5.91771.2477.14
11-20 years ago3.92134.1738.06
21-30 years ago1.63312.11213.711
31-40 years ago1.1415.7176.816
41-50 years ago0.9452.1293.024
over 50 years ago0.4718.9149.314
total15.710151.52167.22
BL/BSn/a..2.1292.129
less than 10 years ago1.0447.9138.912
11-20 years ago0.21006.5156.714
21-30 years ago0.21001.0441.240
31-40 years ago0.21001.0441.240
41-50 years ago..0.21000.2100
over 50 years ago..0.21000.2100
total1.63418.9520.54
FRn/a..4.8194.819
less than 10 years ago0.75017.3818.08
11-20 years ago0.21008.7138.913
21-30 years ago..5.2185.218
31-40 years ago..1.8311.831
41-50 years ago0.21001.1401.337
over 50 years ago..2.2282.228
total1.14041.1342.23
GEn/a..0.7530.753
less than 10 years ago..0.7570.757
11-20 years ago......
21-30 years ago..0.21000.2100
31-40 years ago..0.21000.2100
41-50 years ago..0.7530.753
over 50 years ago......
total..2.7182.718
GLn/a0.3702.1282.526
less than 10 years ago0.5574.2194.717
11-20 years ago0.5573.1223.720
21-30 years ago0.3700.9441.237
31-40 years ago0.3701.0401.434
41-50 years ago..0.5570.557
over 50 years ago0.3701.4351.831
total2.42513.3815.77
GRn/a2.32818.2920.49
less than 10 years ago5.91736.0641.96
11-20 years ago5.41826.0831.37
21-30 years ago1.93012.51114.411
31-40 years ago2.22810.01312.311
41-50 years ago0.3718.3148.614
over 50 years ago2.82529.6732.37
total20.89140.42161.22
JUn/a0.4713.2233.621
less than 10 years ago0.75012.11012.810
11-20 years ago0.55710.01210.511
21-30 years ago0.7502.8243.621
31-40 years ago0.21001.2371.435
41-50 years ago..0.7500.750
over 50 years ago0.5570.9441.435
total3.02330.9333.93
LUn/a..5.2175.217
less than 10 years ago0.210017.7817.98
11-20 years ago0.37111.11111.511
21-30 years ago..4.0204.020
31-40 years ago0.21000.5580.750
41-50 years ago......
over 50 years ago0.21001.6331.731
total0.94440.1341.03
NEn/a0.21003.0233.223
less than 10 years ago2.32716.4718.76
11-20 years ago0.21004.4194.618
21-30 years ago..1.2371.237
31-40 years ago..0.4710.471
41-50 years ago..0.4700.470
over 50 years ago0.470..0.470
total3.02325.7428.73
NWn/a0.4700.8481.239
less than 10 years ago0.21003.3203.519
11-20 years ago0.21001.0431.238
21-30 years ago......
31-40 years ago......
41-50 years ago0.21000.4700.656
over 50 years ago..1.4351.435
total1.0436.897.87
OWn/a0.21002.2272.426
less than 10 years ago0.5575.5156.014
11-20 years ago0.3703.4213.820
21-30 years ago..1.7301.730
31-40 years ago..1.2371.237
41-50 years ago..0.9440.944
over 50 years ago0.3702.8233.122
total1.43417.7519.14
SGn/a0.7506.5167.215
less than 10 years ago1.73118.0919.78
11-20 years ago1.63312.11113.610
21-30 years ago0.21003.8214.020
31-40 years ago0.21002.1282.327
41-50 years ago..2.3272.327
over 50 years ago0.21004.5194.719
total4.51949.3353.83
SHn/a..1.3371.337
less than 10 years ago..7.2117.211
11-20 years ago0.21003.6203.820
21-30 years ago0.2100..0.2100
31-40 years ago..0.21000.2100
41-50 years ago..0.21000.2100
over 50 years ago......
total0.47012.6513.04
SOn/a0.21003.8204.020
less than 10 years ago0.55716.8717.37
11-20 years ago0.7507.1147.813
21-30 years ago..1.4351.435
31-40 years ago0.3710.7501.040
41-50 years ago..0.21000.2100
over 50 years ago0.21000.5570.750
total1.92930.5332.43
SZn/a0.21003.4223.622
less than 10 years ago1.1408.91210.011
11-20 years ago0.21005.4175.517
21-30 years ago0.21002.5262.725
31-40 years ago0.5571.8312.327
41-50 years ago..1.6331.633
over 50 years ago..2.5262.526
total2.12826.1428.24
TGn/a..1.8291.829
less than 10 years ago0.37012.9813.28
11-20 years ago0.21004.7174.917
21-30 years ago..0.7490.749
31-40 years ago......
41-50 years ago......
over 50 years ago..0.3710.371
total0.55720.4420.94
TIn/a3.2238.71412.012
less than 10 years ago2.3288.01510.413
11-20 years ago3.6226.81610.413
21-30 years ago1.8317.5159.313
31-40 years ago2.5277.51510.013
41-50 years ago3.92110.21314.111
over 50 years ago4.42038.7643.15
total21.8887.43109.22
URn/a0.4702.7253.123
less than 10 years ago0.4704.7185.117
11-20 years ago0.9440.9441.831
21-30 years ago0.9441.5352.427
31-40 years ago0.21000.4700.557
41-50 years ago..0.5570.557
over 50 years ago0.5572.6263.123
total3.32213.3916.67
VDn/a0.47112.21112.511
less than 10 years ago2.32738.8641.15
11-20 years ago0.94516.9917.89
21-30 years ago0.75010.01310.712
31-40 years ago0.7503.3234.121
41-50 years ago0.4712.5272.825
over 50 years ago0.5586.7167.215
total5.81790.4296.22
VSn/a2.72511.01213.711
less than 10 years ago3.72115.41019.19
11-20 years ago4.0209.81313.811
21-30 years ago2.92410.21313.011
31-40 years ago2.5269.31311.811
41-50 years ago3.0235.7178.813
over 50 years ago4.22018.9923.18
total23.1880.23103.32
ZGn/a..0.8420.842
less than 10 years ago0.21003.3163.515
11-20 years ago..1.0381.038
21-30 years ago..0.3700.370
31-40 years ago......
41-50 years ago......
over 50 years ago..0.21000.2100
total0.21005.775.86
ZHn/a0.21006.0166.216
less than 10 years ago0.210032.7532.85
11-20 years ago0.21007.5147.614
21-30 years ago..2.1282.128
31-40 years ago..0.7500.750
41-50 years ago......
over 50 years ago..0.4710.471
total0.55849.3249.92
Switzerlandn/a14.011124.04138.03
less than 10 years ago31.87395.22427.02
11-20 years ago25.48194.73220.13
21-30 years ago11.91284.9496.94
31-40 years ago11.31250.1661.45
41-50 years ago9.31439.0748.36
over 50 years ago15.111125.13140.33
total118.941013.011131.91

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #157572/143951

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
grid: terrestrial grid NFI2
state 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assignedtime of last treatment (classes of 10 years) %± %± %± %± %± %±
inside perimetern/a6.22.412.15.715.24.011.31.814.62.911.81.2
less than 10 years ago43.35.051.58.736.75.422.92.413.32.826.81.7
11-20 years ago22.74.315.26.226.65.022.22.317.33.121.41.6
21-30 years ago9.32.96.14.28.93.211.91.87.92.210.01.2
31-40 years ago8.22.83.03.05.12.510.31.712.62.79.61.1
41-50 years ago2.11.46.14.22.51.87.51.515.22.97.81.0
over 50 years ago8.22.86.14.25.12.513.81.919.13.212.81.3
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a11.21.012.10.912.91.013.10.810.81.312.20.4
less than 10 years ago48.41.661.61.438.11.427.11.19.71.238.90.6
11-20 years ago24.11.318.61.124.81.317.00.98.41.119.20.5
21-30 years ago8.60.93.90.510.10.910.60.78.41.18.40.4
31-40 years ago3.20.61.50.33.80.68.20.78.41.14.90.3
41-50 years ago1.40.40.60.23.00.55.40.512.01.33.80.3
over 50 years ago3.10.51.70.47.30.818.70.942.32.012.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a10.80.912.10.913.11.012.80.711.61.212.20.4
less than 10 years ago48.01.561.41.338.01.426.51.010.41.137.70.6
11-20 years ago23.91.318.51.124.91.217.80.910.11.119.50.5
21-30 years ago8.70.84.00.510.00.910.80.78.31.08.60.3
31-40 years ago3.60.61.50.33.90.68.50.69.21.05.40.3
41-50 years ago1.50.40.80.23.00.55.70.512.61.24.30.2
over 50 years ago3.50.61.80.47.10.717.90.937.71.712.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #157573/143952

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
grid: terrestrial grid NFI2
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/a1.1410.7502.1296.2173.92114.011
less than 10 years ago7.6153.0245.11812.7123.52231.97
11-20 years ago4.0210.9453.72212.3124.61925.58
21-30 years ago1.6330.4711.2386.6162.12911.912
31-40 years ago1.5350.21000.7505.7173.42311.412
41-50 years ago0.4710.4710.4714.2204.1219.314
over 50 years ago1.5350.4710.7507.6155.11815.211
total17.6105.81714.01155.3526.68119.34
outside perimetern/a20.5927.0826.0838.4611.812123.84
less than 10 years ago88.44138.1376.8479.7410.613393.62
11-20 years ago43.9641.6649.9549.869.214194.43
21-30 years ago15.8108.81420.3931.079.21385.14
31-40 years ago5.8173.3237.61524.189.21450.06
41-50 years ago2.5271.4356.01715.81013.11138.87
over 50 years ago5.6183.92114.71154.9546.15125.23
total182.51224.01201.31293.82109.131010.71
totaln/a21.6927.7828.1844.7615.710137.83
less than 10 years ago96.03141.0281.9492.4414.111425.52
11-20 years ago47.9542.5653.6562.1513.811219.83
21-30 years ago17.4109.11421.6937.6711.31297.04
31-40 years ago7.3163.5228.31429.8712.51161.45
41-50 years ago2.9251.8326.41619.9917.11048.16
over 50 years ago7.1164.22015.41062.5551.25140.43
total200.11229.81215.31349.01135.821130.01

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #157574/143953

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
grid: terrestrial grid NFI2
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/a7.72.311.83.515.33.911.72.79.93.114.62.911.81.2
less than 10 years ago45.44.432.95.129.54.916.13.129.74.813.32.826.81.7
11-20 years ago20.83.623.54.627.04.817.53.227.44.717.33.121.41.6
21-30 years ago8.52.410.63.311.83.512.42.89.93.17.92.210.01.2
31-40 years ago6.92.27.12.89.43.210.92.78.83.012.62.79.51.1
41-50 years ago3.11.58.23.0..13.12.91.11.115.22.97.81.0
over 50 years ago7.72.35.92.67.12.818.23.313.23.619.13.212.71.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a11.70.712.01.014.51.413.71.612.81.310.81.312.20.4
less than 10 years ago55.81.037.21.535.31.919.21.828.31.79.71.239.00.6
11-20 years ago21.00.922.91.321.61.612.21.519.91.58.41.119.20.5
21-30 years ago6.00.510.91.09.31.112.71.59.11.18.41.18.40.4
31-40 years ago2.20.34.80.74.60.811.61.57.01.08.41.14.90.3
41-50 years ago1.00.23.00.54.40.87.21.24.50.812.01.33.80.2
over 50 years ago2.30.39.20.910.31.223.51.918.41.542.32.012.30.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a11.50.611.91.014.61.313.31.412.41.211.61.212.20.4
less than 10 years ago55.21.036.81.534.61.818.51.628.41.610.41.137.70.6
11-20 years ago21.00.823.01.322.31.513.41.420.81.510.11.119.50.5
21-30 years ago6.10.510.90.99.61.112.61.39.21.08.31.08.60.3
31-40 years ago2.50.35.00.75.10.811.41.37.20.99.21.05.40.3
41-50 years ago1.10.23.40.53.90.78.51.14.10.712.61.24.20.2
over 50 years ago2.60.39.00.99.91.122.31.717.81.437.71.712.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #157575/143954

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
grid: terrestrial grid NFI2
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/a1.8321.8322.2282.7251.6333.92114.011
less than 10 years ago10.5135.1194.3203.7214.7193.52231.87
11-20 years ago4.8193.6223.9214.0204.3204.61925.48
21-30 years ago2.0301.6331.7312.9241.6332.12911.912
31-40 years ago1.6331.1411.4352.5261.4353.42311.312
41-50 years ago0.7501.338..3.0230.21004.1219.214
over 50 years ago1.8320.9451.0414.2202.1295.11815.111
total23.2915.41114.61023.1815.91026.68118.74
outside perimetern/a47.6622.0916.31011.01215.21011.812123.94
less than 10 years ago227.0268.5439.7615.41033.6610.613394.82
11-20 years ago85.4442.3624.389.81323.789.214194.63
21-30 years ago24.4820.1910.51210.11310.8129.21385.04
31-40 years ago9.1148.9145.1189.3138.3149.21449.96
41-50 years ago3.9215.6185.0185.7175.41813.11138.77
over 50 years ago9.41417.01011.51218.9921.9846.15124.93
total406.91184.32112.4280.23118.92109.131011.81
totaln/a49.4623.9818.5913.71116.71015.710137.93
less than 10 years ago237.6273.6444.0519.1938.3614.111426.62
11-20 years ago90.2445.9628.3713.81128.0713.811220.03
21-30 years ago26.4821.7912.21113.01112.41111.31296.94
31-40 years ago10.7139.9136.51611.8119.71312.51161.25
41-50 years ago4.6206.9165.0188.8135.61717.11047.96
over 50 years ago11.21217.91012.61123.1824.0851.25140.03
total430.01199.71127.02103.32134.82135.821130.51

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #157576/143955

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
grid: terrestrial grid NFI2
state 1993/95
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years) %± %± %±
Western Juran/a7.52.911.21.110.91.1
less than 10 years ago45.05.647.11.846.91.7
11-20 years ago21.34.623.41.523.21.4
21-30 years ago7.52.910.21.19.91.0
31-40 years ago7.52.92.80.63.30.6
41-50 years ago1.31.21.40.41.40.4
over 50 years ago10.03.43.90.74.40.7
total100.0.100.0.100.0.
Eastern Juran/a..11.22.110.51.9
less than 10 years ago35.311.652.93.351.73.2
11-20 years ago29.411.126.32.926.52.8
21-30 years ago17.69.33.51.24.41.3
31-40 years ago11.87.84.41.44.91.4
41-50 years ago5.95.71.30.81.60.8
over 50 years ago..0.40.40.40.4
total100.0.100.0.100.0.
Western Plateaun/a20.017.914.12.114.22.1
less than 10 years ago60.021.949.33.049.43.0
11-20 years ago..20.42.420.02.4
21-30 years ago20.017.95.61.45.81.4
31-40 years ago..4.11.24.01.2
41-50 years ago..1.90.81.80.8
over 50 years ago..4.81.34.71.3
total100.0.100.0.100.0.
Central Plateaun/a11.17.412.71.712.61.6
less than 10 years ago44.411.762.42.461.62.4
11-20 years ago22.29.820.12.020.12.0
21-30 years ago5.65.43.00.93.20.9
31-40 years ago5.65.40.50.40.70.4
41-50 years ago5.65.40.50.40.70.4
over 50 years ago5.65.40.80.41.00.5
total100.0.100.0.100.0.
Eastern Plateaun/a10.09.510.81.310.81.2
less than 10 years ago60.015.566.61.966.51.9
11-20 years ago10.09.516.81.516.71.5
21-30 years ago..3.80.83.70.8
31-40 years ago..1.00.41.00.4
41-50 years ago10.09.50.20.20.30.2
over 50 years ago10.09.51.00.41.10.4
total100.0.100.0.100.0.
Western Pre-Alpsn/a..13.02.212.12.1
less than 10 years ago37.512.130.83.131.23.0
11-20 years ago18.89.822.82.822.52.7
21-30 years ago18.89.815.22.415.42.3
31-40 years ago12.58.34.51.45.01.4
41-50 years ago6.36.13.61.23.81.2
over 50 years ago6.36.110.32.010.01.9
total100.0.100.0.100.0.
Central Pre-Alpsn/a17.97.212.51.412.81.4
less than 10 years ago35.79.142.42.142.12.1
11-20 years ago28.68.524.51.924.71.8
21-30 years ago7.14.98.41.28.31.2
31-40 years ago..3.60.83.40.8
41-50 years ago3.63.51.70.61.80.6
over 50 years ago7.14.96.91.16.91.1
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a20.06.813.51.814.01.7
less than 10 years ago37.18.236.42.536.52.4
11-20 years ago28.67.626.42.326.62.2
21-30 years ago5.73.99.51.59.21.4
31-40 years ago5.73.93.71.03.90.9
41-50 years ago..4.51.14.11.0
over 50 years ago2.92.86.11.25.81.1
total100.0.100.0.100.0.
Northwestern Alpsn/a12.25.110.01.910.31.7
less than 10 years ago29.27.131.82.931.52.7
11-20 years ago22.06.519.92.520.22.3
21-30 years ago9.84.712.32.011.91.9
31-40 years ago9.84.77.71.67.91.6
41-50 years ago12.15.15.31.46.31.4
over 50 years ago4.93.413.02.111.91.9
total100.0.100.0.100.0.
Central Alpsn/a14.86.817.33.416.93.1
less than 10 years ago22.28.038.04.435.13.9
11-20 years ago18.57.59.92.711.52.6
21-30 years ago22.28.09.92.712.22.7
31-40 years ago11.16.14.11.85.41.9
41-50 years ago..2.51.42.01.2
over 50 years ago11.16.118.23.516.93.1
total100.0.100.0.100.0.
Northeastern Alpsn/a8.75.914.62.913.82.6
less than 10 years ago26.39.230.73.730.13.5
11-20 years ago34.79.919.03.221.03.1
21-30 years ago8.75.98.52.28.52.1
31-40 years ago13.07.07.22.17.92.0
41-50 years ago..5.91.95.11.7
over 50 years ago8.75.914.42.813.62.6
total100.0.100.0.100.0.
Southwestern Alpsn/a11.72.713.71.613.31.4
less than 10 years ago16.13.119.21.818.51.6
11-20 years ago17.53.212.21.513.41.4
21-30 years ago12.42.812.71.512.61.3
31-40 years ago10.92.711.61.511.41.3
41-50 years ago13.12.97.21.28.51.1
over 50 years ago18.23.323.51.922.31.7
total100.0.100.0.100.0.
Southeastern Alpsn/a9.93.112.81.312.41.2
less than 10 years ago29.74.828.31.728.41.6
11-20 years ago27.44.719.91.520.81.5
21-30 years ago9.93.19.11.19.21.0
31-40 years ago8.83.07.01.07.20.9
41-50 years ago1.11.14.50.84.10.7
over 50 years ago13.23.618.41.517.81.4
total100.0.100.0.100.0.
Southern Alpsn/a14.62.910.81.311.61.2
less than 10 years ago13.32.89.71.210.41.1
11-20 years ago17.33.18.41.110.11.1
21-30 years ago7.92.28.41.18.31.0
31-40 years ago12.62.78.41.19.21.0
41-50 years ago15.22.912.01.312.61.2
over 50 years ago19.13.242.32.037.71.7
total100.0.100.0.100.0.
Switzerlandn/a11.81.212.20.412.20.4
less than 10 years ago26.81.739.00.637.70.6
11-20 years ago21.41.619.20.519.50.5
21-30 years ago10.01.28.40.48.60.3
31-40 years ago9.61.15.00.35.40.3
41-50 years ago7.81.03.80.24.20.2
over 50 years ago12.71.312.40.412.40.4
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #157577/143956

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
grid: terrestrial grid NFI2
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/a1.14115.51016.610
less than 10 years ago6.41665.2471.64
11-20 years ago3.02432.4735.46
21-30 years ago1.14114.11115.110
31-40 years ago1.1413.9215.019
41-50 years ago0.21002.0302.129
over 50 years ago1.4355.3186.816
total14.211138.42152.61
Eastern Juran/a..5.0195.019
less than 10 years ago1.24023.4724.67
11-20 years ago1.04411.61112.611
21-30 years ago0.6581.5352.130
31-40 years ago0.4711.9312.328
41-50 years ago0.21000.6580.850
over 50 years ago..0.21000.2100
total3.32344.2347.52
Western Plateaun/a0.21006.9157.015
less than 10 years ago0.55824.0724.67
11-20 years ago..9.9129.912
21-30 years ago0.21002.7252.924
31-40 years ago..2.0302.030
41-50 years ago..0.9440.944
over 50 years ago..2.3272.327
total0.94448.8349.73
Central Plateaun/a0.3718.4138.713
less than 10 years ago1.33541.3442.64
11-20 years ago0.75013.31013.910
21-30 years ago0.21002.0292.227
31-40 years ago0.21000.3710.558
41-50 years ago0.21000.3710.558
over 50 years ago0.21000.5580.750
total3.02366.1269.12
Eastern Plateaun/a0.210011.81211.912
less than 10 years ago1.14172.7373.73
11-20 years ago0.210018.3918.59
21-30 years ago..4.1214.121
31-40 years ago..1.1411.141
41-50 years ago0.21000.21000.471
over 50 years ago0.21001.1411.238
total1.831109.22111.02
Western Pre-Alpsn/a..5.2185.218
less than 10 years ago1.14012.41113.510
11-20 years ago0.5589.2139.712
21-30 years ago0.5586.1166.715
31-40 years ago0.4711.8312.228
41-50 years ago0.21001.4351.633
over 50 years ago0.21004.1204.320
total2.92440.4343.23
Central Pre-Alpsn/a0.94511.91212.811
less than 10 years ago1.83140.3542.15
11-20 years ago1.43523.3824.78
21-30 years ago0.4718.0148.414
31-40 years ago..3.4233.423
41-50 years ago0.21001.6331.831
over 50 years ago0.4716.6166.916
total5.01895.12100.12
Eastern Pre-Alpsn/a1.2388.91310.112
less than 10 years ago2.32724.0726.37
11-20 years ago1.73117.4919.19
21-30 years ago0.3716.3166.616
31-40 years ago0.3712.4262.825
41-50 years ago..3.0243.024
over 50 years ago0.21004.0204.220
total6.11665.9372.02
Northwestern Alpsn/a0.9444.8195.817
less than 10 years ago2.22915.41017.79
11-20 years ago1.7339.71311.312
21-30 years ago0.7505.9176.716
31-40 years ago0.7503.7224.520
41-50 years ago0.9452.6263.523
over 50 years ago0.4716.3176.716
total7.61548.5456.13
Central Alpsn/a0.7503.8214.519
less than 10 years ago1.1408.3139.412
11-20 years ago0.9442.2283.123
21-30 years ago1.1402.2283.323
31-40 years ago0.5570.9441.435
41-50 years ago..0.5570.557
over 50 years ago0.5574.0204.519
total4.91821.9626.85
Northeastern Alpsn/a0.3713.8214.220
less than 10 years ago1.0418.0139.112
11-20 years ago1.4355.0186.315
21-30 years ago0.3712.2272.625
31-40 years ago0.5571.9302.426
41-50 years ago..1.5331.533
over 50 years ago0.3713.8204.120
total3.92026.2630.15
Southwestern Alpsn/a2.72511.01213.711
less than 10 years ago3.72115.41019.19
11-20 years ago4.0209.81313.811
21-30 years ago2.92410.11313.011
31-40 years ago2.5269.31311.811
41-50 years ago3.0235.7178.813
over 50 years ago4.22018.9923.18
total23.1880.23103.32
Southeastern Alpsn/a1.63315.21016.710
less than 10 years ago4.71933.6638.36
11-20 years ago4.32023.7828.07
21-30 years ago1.63310.81212.411
31-40 years ago1.4358.3149.713
41-50 years ago0.21005.4185.617
over 50 years ago2.12921.9824.08
total15.910118.92134.82
Southern Alpsn/a3.92111.81215.710
less than 10 years ago3.52210.61314.111
11-20 years ago4.6199.21413.811
21-30 years ago2.1299.21311.312
31-40 years ago3.4239.21412.511
41-50 years ago4.12113.11117.110
over 50 years ago5.11846.1551.25
total26.68109.13135.82
Switzerlandn/a14.011123.94137.93
less than 10 years ago31.97394.62426.62
11-20 years ago25.58194.93220.43
21-30 years ago12.01285.2497.24
31-40 years ago11.41250.2661.65
41-50 years ago9.31438.8748.06
over 50 years ago15.111125.23140.33
total119.241012.811132.01

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #157578/143957

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of mixture · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI2
state 1993/95
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
landslide/mudflow SilvaProtect, modelled and assigneddegree of mixture %± %± %± %± %± %± %±
inside perimetern/a....2.21.1......0.60.3
pure conifer forest15.53.610.55.036.33.674.23.978.84.631.03.842.11.9
mixed conifer forest30.14.539.57.923.13.18.12.46.22.74.61.716.31.4
mixed broadleaf forest27.24.426.37.114.82.66.52.27.52.91.30.912.01.2
pure broadleaf forest27.24.423.76.923.63.111.32.87.52.963.13.929.01.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.20.10.30.12.70.41.70.61.60.50.60.31.30.1
pure conifer forest27.01.431.41.254.21.276.32.188.21.433.51.946.40.6
mixed conifer forest29.21.528.11.222.71.07.51.32.70.710.21.220.80.5
mixed broadleaf forest21.81.318.51.011.20.85.41.12.70.77.21.013.20.4
pure broadleaf forest21.71.321.71.19.10.79.01.44.70.948.52.018.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.20.10.30.12.70.41.30.51.40.50.50.31.20.1
pure conifer forest25.91.330.91.252.51.175.91.887.01.333.01.745.90.6
mixed conifer forest29.31.428.41.222.71.07.71.13.20.79.11.020.30.5
mixed broadleaf forest22.41.318.71.011.60.75.71.03.30.76.10.913.10.4
pure broadleaf forest22.31.321.81.110.50.79.51.35.10.951.31.819.50.5
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 #157579/143958

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
grid: terrestrial grid NFI2
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....0.750......0.750
pure conifer forest2.9250.75011.71215.61011.0128.31450.26
mixed conifer forest5.6182.6267.4151.7310.9451.23819.49
mixed broadleaf forest5.0191.8324.8191.4351.0410.47114.311
pure broadleaf forest5.0191.6337.6152.4261.04116.91034.67
total18.596.71632.2721.0814.01126.98119.24
outside perimetern/a0.4710.7508.4141.2381.6330.75012.912
pure conifer forest47.2578.64165.8354.8485.0337.86469.22
mixed conifer forest51.2570.1469.455.4172.62611.512210.23
mixed broadleaf forest38.3646.3634.473.9212.6268.114133.53
pure broadleaf forest38.1654.2528.086.4164.51954.85186.03
total175.12249.91305.8171.7396.43112.931011.91
totaln/a0.4710.7509.1141.2381.6330.75013.611
pure conifer forest50.1579.34177.5270.3396.0346.15519.41
mixed conifer forest56.8572.7476.847.1153.52212.711229.62
mixed broadleaf forest43.3648.0639.165.3183.7228.514147.93
pure broadleaf forest43.1655.8535.678.8135.61771.74220.63
total193.61256.61338.0192.72110.42139.821131.11

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 04.11.2014 #157580/143959

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of mixture · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI2
state 1993/95
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of mixture %± %± %±
AGn/a..0.40.40.40.4
pure conifer forest11.110.521.12.520.82.5
mixed conifer forest22.213.922.72.622.72.6
mixed broadleaf forest22.213.920.32.520.42.5
pure broadleaf forest44.416.635.53.035.82.9
total100.0.100.0.100.0.
AIn/a......
pure conifer forest50.035.846.79.146.98.8
mixed conifer forest50.035.830.08.431.38.2
mixed broadleaf forest..16.76.915.66.5
pure broadleaf forest..6.74.66.34.3
total100.0.100.0.100.0.
ARn/a..5.43.74.12.9
pure conifer forest50.014.538.27.841.06.9
mixed conifer forest25.012.651.38.145.17.0
mixed broadleaf forest8.38.02.52.53.92.7
pure broadleaf forest16.710.82.52.55.93.3
total100.0.100.0.100.0.
BEn/a..0.90.30.90.3
pure conifer forest27.34.751.71.749.41.6
mixed conifer forest31.85.025.11.525.71.4
mixed broadleaf forest21.64.413.31.214.11.1
pure broadleaf forest19.34.29.01.09.91.0
total100.0.100.0.100.0.
BL/BSn/a......
pure conifer forest12.511.711.33.211.43.1
mixed conifer forest..19.94.118.43.8
mixed broadleaf forest12.511.726.24.525.14.3
pure broadleaf forest75.015.342.65.145.14.9
total100.0.100.0.100.0.
FRn/a......
pure conifer forest33.319.352.93.352.43.3
mixed conifer forest..18.92.618.42.6
mixed broadleaf forest33.319.312.12.212.62.2
pure broadleaf forest33.319.316.12.516.62.5
total100.0.100.0.100.0.
GEn/a......
pure conifer forest..9.39.29.39.2
mixed conifer forest......
mixed broadleaf forest..9.39.29.39.2
pure broadleaf forest..81.312.381.312.3
total..100.0.100.0.
GLn/a7.16.93.92.24.42.2
pure conifer forest28.612.142.25.740.15.2
mixed conifer forest28.612.119.74.621.14.3
mixed broadleaf forest14.39.410.63.511.13.3
pure broadleaf forest21.411.023.64.923.34.4
total100.0.100.0.100.0.
GRn/a..1.70.51.50.4
pure conifer forest71.74.179.01.478.11.4
mixed conifer forest7.52.46.90.97.00.8
mixed broadleaf forest7.52.43.80.74.30.7
pure broadleaf forest13.33.18.51.09.10.9
total100.0.100.0.100.0.
JUn/a......
pure conifer forest29.411.124.13.324.63.1
mixed conifer forest29.411.125.33.325.73.2
mixed broadleaf forest35.311.624.13.225.13.1
pure broadleaf forest5.95.726.43.424.63.1
total100.0.100.0.100.0.
LUn/a..1.30.71.30.7
pure conifer forest..54.13.353.03.3
mixed conifer forest40.021.927.72.928.02.9
mixed broadleaf forest40.021.99.51.910.22.0
pure broadleaf forest20.017.97.41.77.61.7
total100.0.100.0.100.0.
NEn/a..0.70.70.60.6
pure conifer forest11.87.851.44.147.23.9
mixed conifer forest52.912.127.43.730.13.6
mixed broadleaf forest5.95.78.22.38.02.1
pure broadleaf forest29.411.112.32.714.12.7
total100.0.100.0.100.0.
NWn/a..5.74.05.03.5
pure conifer forest20.018.137.08.234.87.6
mixed conifer forest..22.97.220.16.4
mixed broadleaf forest..14.36.012.55.3
pure broadleaf forest80.017.920.16.827.67.1
total100.0.100.0.100.0.
OWn/a..2.91.72.71.6
pure conifer forest62.517.251.44.952.24.8
mixed conifer forest12.511.720.44.019.83.8
mixed broadleaf forest..15.53.614.43.3
pure broadleaf forest25.015.49.72.910.83.0
total100.0.100.0.100.0.
SGn/a7.85.33.61.13.91.1
pure conifer forest15.47.136.92.935.12.7
mixed conifer forest30.79.128.02.728.22.6
mixed broadleaf forest23.18.318.82.319.12.2
pure broadleaf forest23.18.312.82.013.62.0
total100.0.100.0.100.0.
SHn/a......
pure conifer forest..16.04.615.54.5
mixed conifer forest50.035.620.55.121.45.1
mixed broadleaf forest50.035.628.75.729.45.7
pure broadleaf forest..34.86.033.85.9
total100.0.100.0.100.0.
SOn/a......
pure conifer forest9.18.712.52.512.32.4
mixed conifer forest9.18.730.73.529.43.3
mixed broadleaf forest36.414.533.63.633.83.5
pure broadleaf forest45.515.023.33.224.63.2
total100.0.100.0.100.0.
SZn/a..4.11.63.81.5
pure conifer forest16.710.849.34.146.84.0
mixed conifer forest33.313.624.03.524.73.4
mixed broadleaf forest41.714.313.02.815.22.9
pure broadleaf forest8.38.09.62.49.52.3
total100.0.100.0.100.0.
TGn/a..0.80.80.80.8
pure conifer forest..28.74.128.04.0
mixed conifer forest66.727.335.24.335.94.3
mixed broadleaf forest..14.03.213.63.1
pure broadleaf forest33.327.321.33.721.63.7
total100.0.100.0.100.0.
TIn/a..0.60.40.50.3
pure conifer forest23.03.825.72.025.21.8
mixed conifer forest4.92.09.81.38.81.1
mixed broadleaf forest..7.21.25.70.9
pure broadleaf forest72.14.156.72.259.82.0
total100.0.100.0.100.0.
URn/a..4.12.33.31.9
pure conifer forest72.210.553.55.957.25.2
mixed conifer forest5.65.413.74.012.13.4
mixed broadleaf forest11.17.413.74.013.23.6
pure broadleaf forest11.17.415.04.214.23.7
total100.0.100.0.100.0.
VDn/a..0.60.30.50.3
pure conifer forest15.26.238.82.237.42.1
mixed conifer forest27.37.826.92.026.91.9
mixed broadleaf forest18.26.716.41.616.51.6
pure broadleaf forest39.48.517.41.718.71.7
total100.0.100.0.100.0.
VSn/a0.70.72.10.71.80.5
pure conifer forest70.83.972.22.171.91.8
mixed conifer forest9.52.59.21.39.31.2
mixed broadleaf forest7.32.26.71.26.91.0
pure broadleaf forest11.72.79.71.410.11.2
total100.0.100.0.100.0.
ZGn/a......
pure conifer forest..47.18.645.78.4
mixed conifer forest..23.57.322.97.2
mixed broadleaf forest..20.67.020.06.8
pure broadleaf forest100.0.8.84.911.45.4
total100.0.100.0.100.0.
ZHn/a......
pure conifer forest..25.22.624.92.6
mixed conifer forest33.327.337.82.937.72.9
mixed broadleaf forest66.727.221.22.521.72.5
pure broadleaf forest..15.82.215.72.2
total100.0.100.0.100.0.
Switzerlandn/a0.60.31.30.11.20.1
pure conifer forest42.01.946.20.645.80.6
mixed conifer forest16.21.420.70.520.20.5
mixed broadleaf forest12.01.213.20.413.10.4
pure broadleaf forest29.21.718.60.519.70.5
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #157581/143960

NFI2

forest area: landslide/mudflow SilvaProtect, modelled and assigned · degree of mixture · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI2
state 1993/95
landslide/mudflow SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of mixture1000 ha± %1000 ha± %1000 ha± %
AGn/a..0.21000.2100
pure conifer forest0.210010.01210.212
mixed conifer forest0.47110.81211.111
mixed broadleaf forest0.4719.61310.012
pure broadleaf forest0.75016.9917.69
total1.73347.5249.12
AIn/a......
pure conifer forest0.21002.3212.420
mixed conifer forest0.21001.5291.627
mixed broadleaf forest..0.8420.842
pure broadleaf forest..0.3700.370
total0.3704.885.27
ARn/a..0.3710.371
pure conifer forest1.0392.4223.417
mixed conifer forest0.5573.2193.717
mixed broadleaf forest0.21000.21000.370
pure broadleaf forest0.3700.21000.557
total1.9266.3108.26
BEn/a..1.4351.435
pure conifer forest4.32078.3482.64
mixed conifer forest5.01938.0643.06
mixed broadleaf forest3.42320.2923.58
pure broadleaf forest3.02413.61116.610
total15.710151.52167.22
BL/BSn/a......
pure conifer forest0.21002.1292.328
mixed conifer forest..3.8213.821
mixed broadleaf forest0.21005.0185.217
pure broadleaf forest1.2408.1139.312
total1.63418.9520.54
FRn/a......
pure conifer forest0.47121.7722.17
mixed conifer forest..7.8147.814
mixed broadleaf forest0.4715.0185.318
pure broadleaf forest0.4716.6167.015
total1.14041.1342.23
GEn/a......
pure conifer forest..0.21000.2100
mixed conifer forest......
mixed broadleaf forest..0.21000.2100
pure broadleaf forest..2.2242.224
total..2.7182.718
GLn/a0.21000.5570.749
pure conifer forest0.7495.6166.315
mixed conifer forest0.7492.6253.321
mixed broadleaf forest0.3701.4351.831
pure broadleaf forest0.5573.1223.720
total2.42513.3815.77
GRn/a..2.4272.427
pure conifer forest14.910111.03125.92
mixed conifer forest1.6339.71311.212
mixed broadleaf forest1.6335.4186.916
pure broadleaf forest2.82511.91214.711
total20.89140.42161.22
JUn/a......
pure conifer forest0.9447.5148.413
mixed conifer forest0.9447.8148.713
mixed broadleaf forest1.1407.5148.513
pure broadleaf forest0.21008.2138.413
total3.02330.9333.93
LUn/a..0.5580.558
pure conifer forest..21.7721.77
mixed conifer forest0.37111.11111.511
mixed broadleaf forest0.3713.8214.220
pure broadleaf forest0.21003.0243.123
total0.94440.1341.03
NEn/a..0.21000.2100
pure conifer forest0.47013.2913.69
mixed conifer forest1.6337.0148.612
mixed broadleaf forest0.21002.1282.327
pure broadleaf forest0.9443.2234.120
total3.02325.7428.73
NWn/a..0.4700.470
pure conifer forest0.21002.5242.723
mixed conifer forest..1.6321.632
mixed broadleaf forest..1.0431.043
pure broadleaf forest0.8481.4352.227
total1.0436.897.87
OWn/a..0.5580.558
pure conifer forest0.9449.11110.010
mixed conifer forest0.21003.6203.820
mixed broadleaf forest..2.8232.823
pure broadleaf forest0.3701.7302.127
total1.43417.7519.14
SGn/a0.4711.8312.129
pure conifer forest0.75018.2918.98
mixed conifer forest1.43513.81015.29
mixed broadleaf forest1.0419.31310.312
pure broadleaf forest1.0416.3167.315
total4.51949.3353.83
SHn/a......
pure conifer forest..2.0292.029
mixed conifer forest0.21002.6262.824
mixed broadleaf forest0.21003.6203.820
pure broadleaf forest..4.4184.418
total0.47012.6513.04
SOn/a......
pure conifer forest0.21003.8204.020
mixed conifer forest0.21009.4129.512
mixed broadleaf forest0.75010.31110.911
pure broadleaf forest0.9447.1148.013
total1.92930.5332.43
SZn/a..1.1401.140
pure conifer forest0.47012.91013.29
mixed conifer forest0.7506.3157.014
mixed broadleaf forest0.9443.4224.319
pure broadleaf forest0.21002.5262.725
total2.12826.1428.24
TGn/a..0.21000.2100
pure conifer forest..5.9155.915
mixed conifer forest0.3707.2137.512
mixed broadleaf forest..2.9232.923
pure broadleaf forest0.21004.4184.518
total0.55720.4420.94
TIn/a..0.5580.558
pure conifer forest5.01922.5827.57
mixed conifer forest1.1418.6149.613
mixed broadleaf forest..6.2176.217
pure broadleaf forest15.71049.6565.34
total21.8887.43109.22
URn/a..0.5570.557
pure conifer forest2.4277.1149.511
mixed conifer forest0.21001.8312.029
mixed broadleaf forest0.4701.8312.228
pure broadleaf forest0.4702.0302.427
total3.32213.3916.67
VDn/a..0.5580.558
pure conifer forest0.94535.1635.96
mixed conifer forest1.63324.3825.97
mixed broadleaf forest1.14114.81015.910
pure broadleaf forest2.32715.71018.09
total5.81790.4296.22
VSn/a0.21001.7321.930
pure conifer forest16.31057.9474.23
mixed conifer forest2.2287.4159.613
mixed broadleaf forest1.7315.4177.115
pure broadleaf forest2.7257.81410.512
total23.1880.23103.32
ZGn/a......
pure conifer forest..2.7192.719
mixed conifer forest..1.3321.332
mixed broadleaf forest..1.2351.235
pure broadleaf forest0.21000.5560.748
total0.21005.775.86
ZHn/a......
pure conifer forest..12.41112.411
mixed conifer forest0.210018.6818.88
mixed broadleaf forest0.47110.51210.812
pure broadleaf forest..7.8147.814
total0.55849.3249.92
Switzerlandn/a0.75012.81213.511
pure conifer forest49.96468.22518.11
mixed conifer forest19.39209.73229.02
mixed broadleaf forest14.311134.13148.43
pure broadleaf forest34.87188.23223.02
total118.941013.011131.91

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #157582/143961
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