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NFI1
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state1983/85
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a2.0320.0.0.21002.230
less than 10 years ago77.540.85015.41193.63
11-20 years ago24.380.6584.42129.37
21-30 years ago6.1180.6582.9269.514
31-40 years ago1.4380.4711.7333.523
41-50 years ago0.7500.0.0.8501.535
over 50 years ago4.9201.1413.2249.314
total116.923.42328.67148.91
Eastern Juran/a0.21000.0.0.0.0.2100
less than 10 years ago30.950.31002.92634.04
11-20 years ago5.1190.0.1.5376.517
21-30 years ago2.8270.0.0.6583.425
31-40 years ago1.1440.0.0.21001.340
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.7570.0.0.0.0.757
total40.830.31005.11946.22
Western Plateaun/a0.6580.0.0.0.0.658
less than 10 years ago27.360.0.1.53828.86
11-20 years ago9.0140.0.1.24010.213
21-30 years ago3.2250.0.0.9504.122
31-40 years ago1.1440.0.0.0.1.144
41-50 years ago0.4710.0.0.0.0.471
over 50 years ago2.4280.0.1.6354.022
total44.130.0.5.21949.32
Central Plateaun/a0.0.0.0.0.0.0.0.
less than 10 years ago53.530.0.7.31560.92
11-20 years ago4.5200.21001.0455.718
21-30 years ago1.3380.0.0.21001.535
31-40 years ago0.4700.0.0.21000.658
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.2410.0.0.9452.130
total60.920.21009.61370.71
Eastern Plateaun/a0.0.0.0.0.0.0.0.
less than 10 years ago83.230.0.4.62087.82
11-20 years ago14.1110.0.0.65814.711
21-30 years ago1.9320.0.0.4712.329
31-40 years ago0.21000.0.0.21000.471
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago2.5280.0.0.21002.627
total101.920.0.6.018107.91
Western Pre-Alpsn/a0.6580.0.0.21000.850
less than 10 years ago7.2160.210010.61217.98
11-20 years ago3.5250.0.8.41411.811
21-30 years ago1.6360.0.1.9353.425
31-40 years ago1.6380.0.1.7363.326
41-50 years ago0.6580.0.0.5571.141
over 50 years ago1.7360.0.2.5294.322
total16.790.210025.7642.63
Central Pre-Alpsn/a1.8330.0.0.4712.230
less than 10 years ago33.870.0.30.8764.64
11-20 years ago7.2170.210010.11417.410
21-30 years ago2.5290.0.2.7285.220
31-40 years ago1.7330.21001.4383.424
41-50 years ago1.1410.0.0.9442.030
over 50 years ago4.5210.4712.9257.715
total52.550.85049.25102.52
Eastern Pre-Alpsn/a0.9500.0.0.0.0.950
less than 10 years ago22.680.47120.3843.45
11-20 years ago5.7180.21007.31613.212
21-30 years ago1.8330.0.3.4245.219
31-40 years ago1.8330.0.2.1303.922
41-50 years ago0.5580.0.0.4710.944
over 50 years ago2.1310.0.2.5294.621
total35.560.65836.0672.12
Northwestern Alpsn/a3.5240.4710.8504.721
less than 10 years ago7.1161.43813.81122.38
11-20 years ago4.3210.0.7.31611.512
21-30 years ago2.6270.6583.7237.016
31-40 years ago1.8330.9492.3305.020
41-50 years ago0.4710.0.1.1401.535
over 50 years ago4.2220.21003.9228.215
total23.983.52432.9660.23
Central Alpsn/a3.2250.6581.0454.820
less than 10 years ago4.1211.0444.2209.313
11-20 years ago2.1300.8501.3364.220
21-30 years ago0.8500.4700.8491.931
31-40 years ago0.4710.0.0.4700.850
41-50 years ago0.7480.0.0.21000.942
over 50 years ago3.1241.0442.8256.915
total14.5103.72210.71129.04
Northeastern Alpsn/a2.3280.6591.2444.122
less than 10 years ago4.6202.0316.91613.510
11-20 years ago0.9440.3703.7224.919
21-30 years ago0.8510.6591.9313.324
31-40 years ago0.3700.0.2.5282.825
41-50 years ago0.21000.0.1.1451.341
over 50 years ago1.9310.6581.7334.220
total11.0124.12118.9834.04
Southwestern Alpsn/a7.3170.6581.5359.414
less than 10 years ago6.6171.63513.31121.49
11-20 years ago4.8201.83313.21219.79
21-30 years ago3.7231.53513.21118.510
31-40 years ago2.2300.210010.01312.412
41-50 years ago1.3380.4713.3245.019
over 50 years ago9.9142.03218.01029.97
total35.878.01572.53116.22
Southeastern Alpsn/a12.0130.21002.82715.011
less than 10 years ago23.391.04529.0853.35
11-20 years ago6.6170.85012.51219.99
21-30 years ago5.6190.6589.21415.411
31-40 years ago4.7200.0.5.71810.413
41-50 years ago1.6350.21002.3294.122
over 50 years ago14.4110.85011.41326.68
total68.153.62372.94144.62
Southern Alpsn/a14.2110.85013.71228.68
less than 10 years ago4.2221.63515.11120.89
11-20 years ago3.9231.14111.51316.510
21-30 years ago2.4291.24111.21314.811
31-40 years ago2.6281.73516.81021.19
41-50 years ago1.6351.43811.51314.511
over 50 years ago10.0143.42432.6746.06
total38.8711.213112.33162.32
Switzerlandn/a48.563.32521.7973.55
less than 10 years ago385.8210.114175.63571.61
11-20 years ago95.845.91883.95185.63
21-30 years ago37.175.51953.0695.54
31-40 years ago21.3103.42545.2669.85
41-50 years ago9.3142.03222.0933.37
over 50 years ago63.659.41484.35157.33
total661.4139.57485.611186.61
© WSL, Swiss National Forest Inventory, 19.06.2020 #852492/318823
NFI1
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI1
state1983/85
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a1.9230.11000.2712.221
less than 10 years ago80.330.93314.4895.72
11-20 years ago24.060.7384.61529.35
21-30 years ago5.6130.4502.6198.611
31-40 years ago2.2210.3581.6254.215
41-50 years ago0.8350.0.0.5451.328
over 50 years ago6.9120.7382.91810.510
total121.923.11826.96151.91
Eastern Juran/a0.2710.0.0.0.0.271
less than 10 years ago31.140.3582.61934.03
11-20 years ago6.2120.11000.9337.211
21-30 years ago2.0230.0.0.4502.320
31-40 years ago1.1300.0.0.2711.327
41-50 years ago0.0.0.0.0.11000.1100
over 50 years ago0.7400.0.0.2710.934
total41.220.4504.51446.11
Western Plateaun/a0.5450.0.0.0.0.545
less than 10 years ago27.340.11002.12229.54
11-20 years ago9.1100.0.1.13010.29
21-30 years ago3.0180.0.0.5443.617
31-40 years ago0.9330.0.0.0.0.933
41-50 years ago0.6410.0.0.0.0.641
over 50 years ago2.9180.0.1.2294.115
total44.420.11005.01449.52
Central Plateaun/a0.2710.0.0.0.0.271
less than 10 years ago52.520.0.7.41159.92
11-20 years ago4.9140.11001.5266.512
21-30 years ago0.9330.0.0.3581.229
31-40 years ago0.5450.11000.4501.031
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.1300.0.0.6411.724
total60.120.27110.1970.41
Eastern Plateaun/a0.0.0.0.0.11000.1100
less than 10 years ago83.720.0.3.91687.62
11-20 years ago14.280.0.0.73814.98
21-30 years ago1.9230.0.0.6412.520
31-40 years ago0.4500.0.0.2710.641
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago1.7240.0.0.11001.823
total101.810.0.5.513107.41
Western Pre-Alpsn/a0.5450.0.0.3580.835
less than 10 years ago6.5120.35810.8817.66
11-20 years ago3.4170.0.8.01011.58
21-30 years ago2.3200.0.2.9185.113
31-40 years ago1.1300.11002.1223.317
41-50 years ago0.3580.0.0.4500.738
over 50 years ago1.8240.0.2.6194.415
total15.970.45027.1443.42
Central Pre-Alpsn/a1.2290.11000.6411.923
less than 10 years ago34.950.64130.0565.53
11-20 years ago7.8110.11008.81016.77
21-30 years ago2.3210.2712.8195.413
31-40 years ago1.7240.2711.2293.118
41-50 years ago0.7380.0.0.9331.525
over 50 years ago5.0140.2713.3178.510
total53.631.42747.63102.61
Eastern Pre-Alpsn/a0.5450.0.0.0.0.545
less than 10 years ago23.160.45020.9644.43
11-20 years ago5.2140.2716.91112.38
21-30 years ago1.2290.11003.7165.014
31-40 years ago1.2290.0.2.1223.217
41-50 years ago0.6410.0.0.6411.229
over 50 years ago2.3210.0.2.6195.014
total34.040.73836.8471.52
Northwestern Alpsn/a3.1170.3580.5454.016
less than 10 years ago7.7111.22913.5822.46
11-20 years ago4.2150.11007.11111.49
21-30 years ago2.4200.3583.9166.612
31-40 years ago1.4270.7371.9234.115
41-50 years ago0.5450.0.1.0311.525
over 50 years ago4.2150.2715.1139.510
total23.562.91833.0459.42
Central Alpsn/a3.4170.9351.1305.413
less than 10 years ago3.6160.9334.9139.59
11-20 years ago1.9220.7371.5264.115
21-30 years ago0.6410.8380.9352.221
31-40 years ago0.4490.11000.5441.131
41-50 years ago0.5440.0.0.5441.031
over 50 years ago3.2171.0332.3216.512
total13.674.41511.8729.83
Northeastern Alpsn/a2.4200.6411.0314.015
less than 10 years ago5.1131.4266.71113.27
11-20 years ago0.7380.4493.2174.214
21-30 years ago0.6410.4501.7242.719
31-40 years ago0.4500.0.2.3202.619
41-50 years ago0.3580.0.0.9331.229
over 50 years ago2.5190.5452.4205.413
total12.083.31718.3533.53
Southwestern Alpsn/a7.5110.4502.12210.010
less than 10 years ago7.8111.32814.3823.46
11-20 years ago5.0141.13012.4918.47
21-30 years ago3.3171.13012.8817.27
31-40 years ago2.1220.7389.11012.09
41-50 years ago1.0320.4503.2174.614
over 50 years ago11.992.02215.9729.85
total38.657.11269.72115.41
Southeastern Alpsn/a11.490.11002.91814.48
less than 10 years ago22.961.03230.4554.34
11-20 years ago8.0111.13011.5920.77
21-30 years ago4.5150.6418.51113.68
31-40 years ago5.0140.3586.01311.39
41-50 years ago2.1220.11003.2185.413
over 50 years ago14.781.32811.2927.26
total68.534.61573.73146.81
Southern Alpsn/a13.980.73813.3827.96
less than 10 years ago4.0161.32815.3820.67
11-20 years ago3.5171.42711.3916.27
21-30 years ago2.4201.82311.7915.98
31-40 years ago3.3171.62517.9722.76
41-50 years ago1.0320.93311.8913.78
over 50 years ago10.4103.31733.7547.44
total38.5511.09115.02164.41
Switzerlandn/a46.853.21822.2772.24
less than 10 years ago390.619.810177.32577.71
11-20 years ago98.036.01379.53183.52
21-30 years ago32.955.71353.3491.83
31-40 years ago21.974.11645.5571.54
41-50 years ago8.4111.42723.0632.75
over 50 years ago69.349.31084.13162.72
total667.8139.55484.911192.20
© WSL, Swiss National Forest Inventory, 19.06.2020 #852493/318824
NFI2
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.0.0.0.0.0.0.0.
less than 10 years ago62.941.24112.41276.54
11-20 years ago30.570.6587.01638.06
21-30 years ago13.1120.4712.72716.210
31-40 years ago2.9260.6581.7335.219
41-50 years ago0.6580.21001.5352.329
over 50 years ago3.3240.6582.7276.617
total113.323.42328.07144.81
Eastern Juran/a0.0.0.0.0.0.0.0.
less than 10 years ago24.860.31001.24026.36
11-20 years ago11.1120.0.2.23013.410
21-30 years ago1.5380.0.0.8502.330
31-40 years ago2.0330.0.0.6582.629
41-50 years ago0.6570.0.0.21000.849
over 50 years ago0.31000.0.0.0.0.3100
total40.330.31005.11945.72
Western Plateaun/a0.0.0.0.0.0.0.0.
less than 10 years ago24.270.0.2.92627.16
11-20 years ago10.4130.0.0.57010.812
21-30 years ago3.0260.0.0.4703.324
31-40 years ago2.2310.0.0.21002.429
41-50 years ago1.1440.0.0.0.1.144
over 50 years ago1.3410.0.1.0452.330
total42.030.0.5.01947.02
Central Plateaun/a0.0.0.0.0.0.0.0.
less than 10 years ago43.640.21005.01948.84
11-20 years ago13.0110.0.2.92515.910
21-30 years ago1.8330.0.0.6582.429
31-40 years ago0.4710.0.0.21000.658
41-50 years ago0.4700.0.0.21000.658
over 50 years ago0.4710.0.0.4710.750
total59.530.21009.21369.01
Eastern Plateaun/a0.0.0.0.0.0.0.0.
less than 10 years ago74.030.0.4.12178.13
11-20 years ago19.590.0.1.04520.59
21-30 years ago4.2210.0.0.4714.620
31-40 years ago0.8500.0.0.21001.045
41-50 years ago0.21000.0.0.21000.471
over 50 years ago1.0450.0.0.21001.141
total99.620.0.6.018105.61
Western Pre-Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago5.7180.21008.71414.510
11-20 years ago4.3210.0.6.71711.112
21-30 years ago1.9340.0.4.6186.516
31-40 years ago1.1410.0.1.1452.230
41-50 years ago1.2450.0.0.7591.935
over 50 years ago1.4380.0.2.7284.122
total15.6100.210024.5740.33
Central Pre-Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago21.890.47124.5846.65
11-20 years ago15.7110.0.12.01227.67
21-30 years ago4.0220.0.5.3209.314
31-40 years ago1.7350.0.1.6353.325
41-50 years ago1.0450.21000.8502.032
over 50 years ago3.8220.21002.3296.317
total47.950.85046.4595.12
Eastern Pre-Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago16.4100.210013.11129.77
11-20 years ago8.8150.210011.41220.59
21-30 years ago3.0260.21003.6226.816
31-40 years ago0.8500.0.2.4293.325
41-50 years ago1.6350.0.1.5353.225
over 50 years ago2.2300.0.2.0324.321
total32.960.65834.2667.73
Northwestern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago6.7171.04410.71318.49
11-20 years ago3.2251.0457.71511.912
21-30 years ago2.6270.0.4.7207.316
31-40 years ago1.2400.21002.5283.922
41-50 years ago1.0450.9491.5383.424
over 50 years ago2.8270.21003.1256.118
total17.6103.22530.2651.13
Central Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago3.7221.0444.1218.712
11-20 years ago1.5350.4711.1393.024
21-30 years ago1.4370.6571.0442.924
31-40 years ago0.4710.21000.6561.240
41-50 years ago0.4710.0.0.21000.658
over 50 years ago2.1290.6581.8324.519
total9.5122.7268.71220.95
Northeastern Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.4291.0405.7179.113
11-20 years ago2.3281.3413.6227.215
21-30 years ago0.5580.0.2.1302.726
31-40 years ago0.6590.6591.5352.726
41-50 years ago0.3700.0.1.4381.733
over 50 years ago1.4370.4711.4383.224
total7.6153.32415.8926.65
Southwestern Alpsn/a0.0.0.0.0.4710.471
less than 10 years ago5.9181.53513.61121.09
11-20 years ago3.6230.8509.61314.011
21-30 years ago3.4241.1419.41414.011
31-40 years ago2.3301.04510.01313.411
41-50 years ago1.5350.21008.0159.714
over 50 years ago7.7162.23016.71026.68
total24.586.81667.7499.02
Southeastern Alpsn/a0.4710.0.0.0.0.471
less than 10 years ago17.1101.04423.2941.36
11-20 years ago12.0120.47116.21028.68
21-30 years ago4.2220.6577.61612.412
31-40 years ago3.4240.21006.61710.114
41-50 years ago1.9330.0.4.2226.118
over 50 years ago11.7130.75010.01322.59
total50.652.92667.84121.32
Southern Alpsn/a0.21000.0.0.0.0.2100
less than 10 years ago2.9270.47110.71314.011
11-20 years ago2.0321.33810.21313.512
21-30 years ago1.9331.0459.51412.312
31-40 years ago2.4291.2419.81413.412
41-50 years ago2.2301.73514.41118.310
over 50 years ago8.6154.12238.7651.35
total20.199.61493.33123.12
Switzerlandn/a0.6580.0.0.4711.045
less than 10 years ago312.028.315139.94460.22
11-20 years ago138.046.01892.24236.23
21-30 years ago46.463.82252.76103.04
31-40 years ago22.3103.92239.1765.35
41-50 years ago14.0123.22634.8752.06
over 50 years ago47.968.91582.94139.73
total581.2134.17442.021057.41
© WSL, Swiss National Forest Inventory, 19.06.2020 #852494/318825
NFI2
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a1.0450.0.0.21001.241
less than 10 years ago65.141.24112.81279.14
11-20 years ago31.370.6587.01638.96
21-30 years ago13.5120.4712.72716.510
31-40 years ago3.1250.6581.7335.419
41-50 years ago0.6580.21001.5352.329
over 50 years ago4.0220.6582.9267.416
total118.623.42328.87150.81
Eastern Juran/a0.0.0.0.0.0.0.0.
less than 10 years ago25.560.31001.24027.06
11-20 years ago11.1120.0.2.23013.410
21-30 years ago1.5380.0.0.8502.330
31-40 years ago2.0330.0.0.6582.629
41-50 years ago0.6570.0.0.21000.849
over 50 years ago0.31000.0.0.0.0.3100
total41.030.31005.11946.42
Western Plateaun/a0.8500.0.0.0.0.850
less than 10 years ago25.470.0.2.92628.46
11-20 years ago10.8120.0.0.57011.312
21-30 years ago3.0260.0.0.4703.324
31-40 years ago2.2310.0.0.21002.429
41-50 years ago1.1440.0.0.0.1.144
over 50 years ago1.5380.0.1.2402.627
total44.730.0.5.21949.92
Central Plateaun/a0.0.0.0.0.0.0.0.
less than 10 years ago43.940.21005.01949.14
11-20 years ago13.4110.0.2.92516.310
21-30 years ago2.0310.0.0.6582.627
31-40 years ago0.4710.0.0.21000.658
41-50 years ago0.4700.0.0.21000.658
over 50 years ago0.4710.0.0.4710.750
total60.520.21009.21369.91
Eastern Plateaun/a0.3710.0.0.0.0.371
less than 10 years ago75.530.0.4.12179.63
11-20 years ago19.990.0.1.04520.89
21-30 years ago4.2210.0.0.4714.620
31-40 years ago1.0450.0.0.21001.141
41-50 years ago0.21000.0.0.21000.471
over 50 years ago1.1410.0.0.21001.338
total102.220.0.6.018108.21
Western Pre-Alpsn/a0.0.0.0.0.0.0.0.
less than 10 years ago6.3170.21008.91415.310
11-20 years ago4.3210.0.6.71711.112
21-30 years ago2.1320.0.4.8186.915
31-40 years ago1.3380.0.1.1452.429
41-50 years ago1.2450.0.0.9512.133
over 50 years ago1.9340.0.3.1255.020
total17.190.210025.5742.73
Central Pre-Alpsn/a0.6580.0.0.0.0.658
less than 10 years ago22.690.47125.4848.45
11-20 years ago16.3100.0.12.21228.47
21-30 years ago4.4210.0.5.3209.714
31-40 years ago1.9330.0.2.1323.923
41-50 years ago1.0450.21000.8502.032
over 50 years ago4.8200.21002.4277.415
total51.450.85048.25100.52
Eastern Pre-Alpsn/a0.21000.0.0.0.0.2100
less than 10 years ago16.6100.210013.71130.56
11-20 years ago9.6140.210011.81221.78
21-30 years ago3.2250.21004.0217.416
31-40 years ago0.8500.0.2.4293.325
41-50 years ago1.6350.0.1.7333.424
over 50 years ago2.2300.0.2.6284.920
total34.460.65836.4571.42
Northwestern Alpsn/a0.8500.0.0.0.0.850
less than 10 years ago6.9161.04411.31219.29
11-20 years ago3.2251.0458.11512.412
21-30 years ago2.6270.0.4.7207.316
31-40 years ago1.8330.21002.9264.920
41-50 years ago1.4380.9491.7354.022
over 50 years ago4.0220.21003.1257.316
total20.893.22531.9655.93
Central Alpsn/a0.4710.0.0.0.0.471
less than 10 years ago4.5191.0444.71910.211
11-20 years ago1.7330.4711.1393.223
21-30 years ago1.6351.0451.0443.522
31-40 years ago0.4710.4700.8491.534
41-50 years ago0.4710.0.0.21000.658
over 50 years ago2.3280.8501.8324.918
total11.3113.5239.51124.34
Northeastern Alpsn/a0.6580.0.0.21000.850
less than 10 years ago3.0261.0406.11710.112
11-20 years ago2.3281.3413.6227.215
21-30 years ago0.5580.0.2.3282.925
31-40 years ago0.6590.6591.5352.726
41-50 years ago0.3700.0.1.4381.733
over 50 years ago2.3280.6581.8334.619
total9.7133.52316.9830.04
Southwestern Alpsn/a0.8500.0.0.6581.438
less than 10 years ago6.5171.73314.01122.29
11-20 years ago4.8201.24110.01316.010
21-30 years ago4.0221.14110.11315.211
31-40 years ago2.7271.04510.01313.811
41-50 years ago2.0310.21008.01510.213
over 50 years ago7.9162.23017.11027.28
total28.877.41669.73105.92
Southeastern Alpsn/a1.2410.0.1.2412.429
less than 10 years ago18.5101.04424.2843.76
11-20 years ago13.4120.47118.01031.87
21-30 years ago5.6190.6577.81514.011
31-40 years ago4.0220.21007.01711.113
41-50 years ago2.3300.0.4.2226.517
over 50 years ago14.6110.94511.61227.18
total59.553.12574.04136.62
Southern Alpsn/a0.21000.0.1.0451.241
less than 10 years ago3.3250.47112.31216.011
11-20 years ago3.5231.33810.61315.511
21-30 years ago2.3301.0459.71412.912
31-40 years ago2.8271.24110.01414.011
41-50 years ago2.8271.73515.21119.69
over 50 years ago10.7134.72142.0657.35
total25.6810.214100.83136.62
Switzerlandn/a7.0170.0.3.12510.214
less than 10 years ago323.628.515146.63478.82
11-20 years ago145.836.41895.84248.13
21-30 years ago50.464.22154.56109.24
31-40 years ago25.094.12240.7769.85
41-50 years ago15.8113.22636.2755.26
over 50 years ago57.8610.11490.14158.03
total625.6136.57467.111129.21
© WSL, Swiss National Forest Inventory, 19.06.2020 #852495/318826
NFI2
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a7.3150.3711.5339.213
less than 10 years ago64.341.04112.31177.64
11-20 years ago27.970.5586.21634.66
21-30 years ago12.1120.3712.42714.810
31-40 years ago2.8250.5581.5334.919
41-50 years ago0.5580.21001.4352.129
over 50 years ago3.6220.5582.5266.616
total118.623.42227.87149.81
Eastern Juran/a2.2280.0.0.21002.427
less than 10 years ago25.160.31001.33726.76
11-20 years ago9.9120.0.2.03011.811
21-30 years ago1.4380.0.0.7502.130
31-40 years ago1.8330.0.0.5582.329
41-50 years ago0.6570.0.0.21000.749
over 50 years ago0.31000.0.0.0.0.3100
total41.230.31004.91846.32
Western Plateaun/a2.8240.0.0.7503.622
less than 10 years ago24.760.0.2.72527.46
11-20 years ago9.5120.0.0.4709.912
21-30 years ago2.5260.0.0.3702.925
31-40 years ago1.8310.0.0.21002.029
41-50 years ago0.9450.0.0.0.0.945
over 50 years ago1.3380.0.1.0412.327
total43.730.0.5.41749.12
Central Plateaun/a3.2220.21000.5583.820
less than 10 years ago43.140.21004.71848.03
11-20 years ago11.7110.0.2.52514.310
21-30 years ago1.7310.0.0.5582.227
31-40 years ago0.4710.0.0.21000.558
41-50 years ago0.3700.0.0.21000.558
over 50 years ago0.3710.0.0.3710.650
total60.720.4718.91370.01
Eastern Plateaun/a4.0200.0.0.21004.220
less than 10 years ago74.130.0.3.92178.13
11-20 years ago17.490.0.0.84518.29
21-30 years ago3.6210.0.0.4714.020
31-40 years ago0.9450.0.0.21001.041
41-50 years ago0.21000.0.0.21000.371
over 50 years ago1.0410.0.0.21001.238
total101.210.0.5.817107.01
Western Pre-Alpsn/a1.8320.0.2.0303.821
less than 10 years ago6.0160.3708.31414.69
11-20 years ago3.9210.0.6.11610.012
21-30 years ago1.8320.0.4.4186.215
31-40 years ago1.2380.0.1.0452.129
41-50 years ago1.0450.0.0.8511.833
over 50 years ago1.7330.0.2.7254.420
total17.490.37025.3642.93
Central Pre-Alpsn/a4.5200.4702.8257.715
less than 10 years ago23.280.55824.5848.35
11-20 years ago14.4100.0.10.71225.17
21-30 years ago3.9210.0.4.6208.514
31-40 years ago1.6330.0.1.8323.423
41-50 years ago0.9450.21000.7501.831
over 50 years ago4.3200.21002.2276.715
total52.941.33847.45101.62
Eastern Pre-Alpsn/a3.3230.0.3.1236.416
less than 10 years ago15.9100.37114.11030.36
11-20 years ago8.5140.210010.31219.09
21-30 years ago2.8250.21003.5216.516
31-40 years ago0.7500.0.2.1292.925
41-50 years ago1.4350.0.1.5333.024
over 50 years ago1.9300.0.2.3284.220
total34.660.75036.9572.32
Northwestern Alpsn/a1.5350.21003.1244.719
less than 10 years ago6.8160.94410.51218.29
11-20 years ago2.9250.9457.31511.112
21-30 years ago2.4270.0.4.2206.616
31-40 years ago1.6330.21002.6264.420
41-50 years ago1.3380.8491.5353.522
over 50 years ago3.6230.21002.8256.516
total20.083.12432.0555.13
Central Alpsn/a1.7310.21001.0412.924
less than 10 years ago4.8170.9444.51810.211
11-20 years ago1.5330.3711.0392.823
21-30 years ago1.3350.8450.8443.023
31-40 years ago0.3710.3700.7491.335
41-50 years ago0.4710.0.0.21000.558
over 50 years ago2.0280.7501.5324.319
total12.1103.2229.71025.04
Northeastern Alpsn/a0.9450.0.1.5342.427
less than 10 years ago3.6220.9406.41610.911
11-20 years ago2.1291.1413.2226.515
21-30 years ago0.5580.0.2.1282.625
31-40 years ago0.6590.6591.3352.426
41-50 years ago0.3700.0.1.3381.533
over 50 years ago2.0280.5581.6334.119
total9.9123.12317.4830.44
Southwestern Alpsn/a3.7220.4717.41511.512
less than 10 years ago6.5161.53314.31022.38
11-20 years ago4.2201.1418.91314.210
21-30 years ago3.5221.0418.91413.411
31-40 years ago2.4270.9458.91312.211
41-50 years ago1.8310.21007.1159.013
over 50 years ago6.9161.93015.11024.08
total29.077.01570.53106.42
Southeastern Alpsn/a5.4180.4715.81711.612
less than 10 years ago18.291.04124.9844.25
11-20 years ago12.0120.47116.01028.37
21-30 years ago5.0190.5576.91612.412
31-40 years ago3.6220.21006.2179.913
41-50 years ago2.0300.0.3.7225.817
over 50 years ago13.0110.84510.21324.08
total59.153.32373.84136.12
Southern Alpsn/a3.2230.7509.61313.611
less than 10 years ago3.1240.47112.71116.110
11-20 years ago3.1231.2389.61314.011
21-30 years ago2.0300.8458.51411.412
31-40 years ago2.5271.1418.91412.411
41-50 years ago2.5271.53513.41117.49
over 50 years ago9.5134.12137.4651.15
total26.089.813100.23136.02
Switzerlandn/a45.562.72639.4787.74
less than 10 years ago319.428.314145.23472.91
11-20 years ago129.135.71885.04219.93
21-30 years ago44.663.82148.2696.64
31-40 years ago22.293.62236.1761.95
41-50 years ago14.1112.82632.1748.96
over 50 years ago51.469.01479.94140.33
total626.3135.87466.011128.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #852496/318827
NFI2
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state1993/95
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a1.6350.0.0.4712.032
less than 10 years ago65.141.24112.81279.14
11-20 years ago31.370.6587.01638.96
21-30 years ago13.5120.4712.72716.510
31-40 years ago3.1250.6581.7335.419
41-50 years ago0.6580.21001.5352.329
over 50 years ago4.0220.6582.9267.416
total119.223.42329.07151.61
Eastern Juran/a0.21000.0.0.0.0.2100
less than 10 years ago25.560.31001.24027.06
11-20 years ago11.1120.0.2.23013.410
21-30 years ago1.5380.0.0.8502.330
31-40 years ago2.0330.0.0.6582.629
41-50 years ago0.6570.0.0.21000.849
over 50 years ago0.31000.0.0.0.0.3100
total41.230.31005.11946.62
Western Plateaun/a1.5380.0.0.0.1.538
less than 10 years ago25.470.0.2.92628.46
11-20 years ago10.8120.0.0.57011.312
21-30 years ago3.0260.0.0.4703.324
31-40 years ago2.2310.0.0.21002.429
41-50 years ago1.1440.0.0.0.1.144
over 50 years ago1.5380.0.1.2402.627
total45.430.0.5.21950.62
Central Plateaun/a0.4700.0.0.21000.657
less than 10 years ago43.940.21005.01949.14
11-20 years ago13.4110.0.2.92516.310
21-30 years ago2.0310.0.0.6582.627
31-40 years ago0.4710.0.0.21000.658
41-50 years ago0.4700.0.0.21000.658
over 50 years ago0.4710.0.0.5580.944
total60.920.21009.61370.71
Eastern Plateaun/a0.3710.0.0.0.0.371
less than 10 years ago75.530.0.4.12179.63
11-20 years ago19.990.0.1.04520.89
21-30 years ago4.2210.0.0.4714.620
31-40 years ago1.0450.0.0.21001.141
41-50 years ago0.21000.0.0.21000.471
over 50 years ago1.1410.0.0.21001.338
total102.220.0.6.018108.21
Western Pre-Alpsn/a1.7360.0.0.4732.132
less than 10 years ago6.5170.21008.91415.510
11-20 years ago4.3210.0.6.71711.112
21-30 years ago2.1320.0.4.8186.915
31-40 years ago1.3380.0.1.1452.429
41-50 years ago1.2450.0.0.9512.133
over 50 years ago1.9340.0.3.1255.020
total18.990.210025.9645.03
Central Pre-Alpsn/a2.8270.0.0.8503.623
less than 10 years ago22.690.47125.6848.65
11-20 years ago16.3100.0.12.21228.47
21-30 years ago4.4210.0.5.3209.714
31-40 years ago1.9330.0.2.1323.923
41-50 years ago1.0450.21000.8502.032
over 50 years ago4.8200.21002.4277.415
total53.650.85049.25103.62
Eastern Pre-Alpsn/a1.3410.0.1.1452.430
less than 10 years ago16.6100.210013.71130.56
11-20 years ago9.6140.210011.81221.78
21-30 years ago3.2250.21004.0217.416
31-40 years ago0.8500.0.2.4293.325
41-50 years ago1.6350.0.1.7333.424
over 50 years ago2.2300.0.2.6284.920
total35.560.65837.4573.52
Northwestern Alpsn/a6.1180.21001.2417.516
less than 10 years ago6.9161.04411.31219.29
11-20 years ago3.2251.0458.11512.412
21-30 years ago2.6270.0.4.7207.316
31-40 years ago1.8330.21002.9264.920
41-50 years ago1.4380.9491.7354.022
over 50 years ago4.0220.21003.3247.516
total26.183.52433.3662.83
Central Alpsn/a3.8230.6581.0455.419
less than 10 years ago4.5191.0444.71910.211
11-20 years ago1.7330.4711.1393.223
21-30 years ago1.6351.0451.0443.522
31-40 years ago0.4710.4700.8491.534
41-50 years ago0.4710.0.0.21000.658
over 50 years ago2.5260.8501.8325.118
total14.994.12110.51129.54
Northeastern Alpsn/a6.1180.9502.7279.714
less than 10 years ago3.0261.0406.11710.112
11-20 years ago2.3281.3413.6227.215
21-30 years ago0.5580.0.2.3282.925
31-40 years ago0.6590.6591.5352.726
41-50 years ago0.3700.0.1.4381.733
over 50 years ago2.3280.6581.8334.619
total15.2104.32019.4738.93
Southwestern Alpsn/a8.3150.6583.72312.612
less than 10 years ago6.5171.73314.21122.49
11-20 years ago4.8201.24110.01316.010
21-30 years ago4.0221.14110.11315.211
31-40 years ago2.7271.04510.01313.811
41-50 years ago2.0310.21008.01510.213
over 50 years ago7.9162.23017.11027.28
total36.278.01573.03117.32
Southeastern Alpsn/a16.7110.21004.62121.59
less than 10 years ago18.5101.04424.2843.76
11-20 years ago13.4120.47118.01031.87
21-30 years ago5.6190.6577.81514.011
31-40 years ago4.0220.21007.01711.113
41-50 years ago2.3300.0.4.2226.517
over 50 years ago14.6111.24111.61227.38
total75.043.62377.34155.92
Southern Alpsn/a16.6111.24117.41035.27
less than 10 years ago3.3250.47112.31216.011
11-20 years ago3.5231.33810.61315.511
21-30 years ago2.3301.0459.71412.912
31-40 years ago2.8271.24110.01414.011
41-50 years ago2.8271.73515.31119.89
over 50 years ago10.7134.72142.2657.55
total41.9611.413117.62170.91
Switzerlandn/a67.353.72433.68104.54
less than 10 years ago323.828.515147.03479.42
11-20 years ago145.836.41895.84248.13
21-30 years ago50.464.22154.56109.24
31-40 years ago25.094.12240.7769.85
41-50 years ago15.8113.22636.4755.46
over 50 years ago58.0610.31490.74159.03
total686.2140.47498.711225.30
© WSL, Swiss National Forest Inventory, 19.06.2020 #852497/318828
NFI2
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI2
state1993/95
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a8.1140.3711.73110.113
less than 10 years ago64.341.04112.31177.64
11-20 years ago27.970.5586.21634.66
21-30 years ago12.1120.3712.42714.810
31-40 years ago2.8250.5581.5334.919
41-50 years ago0.5580.21001.4352.129
over 50 years ago3.6220.5582.5266.616
total119.323.42228.07150.71
Eastern Juran/a2.4270.0.0.21002.526
less than 10 years ago25.160.31001.33726.76
11-20 years ago9.9120.0.2.03011.811
21-30 years ago1.4380.0.0.7502.130
31-40 years ago1.8330.0.0.5582.329
41-50 years ago0.6570.0.0.21000.749
over 50 years ago0.31000.0.0.0.0.3100
total41.430.31004.91846.52
Western Plateaun/a3.6220.0.0.7504.320
less than 10 years ago24.760.0.2.72527.46
11-20 years ago9.5120.0.0.4709.912
21-30 years ago2.5260.0.0.3702.925
31-40 years ago1.8310.0.0.21002.029
41-50 years ago0.9450.0.0.0.0.945
over 50 years ago1.3380.0.1.0412.327
total44.430.0.5.41749.82
Central Plateaun/a3.5210.21000.7504.419
less than 10 years ago43.140.21004.71848.03
11-20 years ago11.7110.0.2.52514.310
21-30 years ago1.7310.0.0.5582.227
31-40 years ago0.4710.0.0.21000.558
41-50 years ago0.3700.0.0.21000.558
over 50 years ago0.3710.0.0.5580.844
total61.120.4719.21370.71
Eastern Plateaun/a4.0200.0.0.21004.220
less than 10 years ago74.130.0.3.92178.13
11-20 years ago17.490.0.0.84518.29
21-30 years ago3.6210.0.0.4714.020
31-40 years ago0.9450.0.0.21001.041
41-50 years ago0.21000.0.0.21000.371
over 50 years ago1.0410.0.0.21001.238
total101.210.0.5.817107.01
Western Pre-Alpsn/a3.5230.0.2.4275.817
less than 10 years ago6.2160.3708.31414.89
11-20 years ago3.9210.0.6.11610.012
21-30 years ago1.8320.0.4.4186.215
31-40 years ago1.2380.0.1.0452.129
41-50 years ago1.0450.0.0.8511.833
over 50 years ago1.7330.0.2.7254.420
total19.280.37025.6645.23
Central Pre-Alpsn/a6.5160.6583.52310.613
less than 10 years ago23.280.55824.7848.45
11-20 years ago14.4100.0.10.71225.17
21-30 years ago3.9210.0.4.6208.514
31-40 years ago1.6330.0.1.8323.423
41-50 years ago0.9450.21000.7501.831
over 50 years ago4.3200.21002.2276.715
total54.941.53548.35104.61
Eastern Pre-Alpsn/a4.3200.0.4.0218.314
less than 10 years ago15.9100.37114.11030.36
11-20 years ago8.5140.210010.31219.09
21-30 years ago2.8250.21003.5216.516
31-40 years ago0.7500.0.2.1292.925
41-50 years ago1.4350.0.1.5333.024
over 50 years ago1.9300.0.2.3284.220
total35.660.75037.9574.22
Northwestern Alpsn/a7.4150.4714.42012.212
less than 10 years ago6.8160.94410.51218.29
11-20 years ago2.9250.9457.31511.112
21-30 years ago2.4270.0.4.2206.616
31-40 years ago1.6330.21002.6264.420
41-50 years ago1.3380.8491.5353.522
over 50 years ago3.6230.21003.0246.716
total25.973.32333.5562.72
Central Alpsn/a5.5180.7501.9308.114
less than 10 years ago4.8170.9444.51810.211
11-20 years ago1.5330.3711.0392.823
21-30 years ago1.3350.8450.8443.023
31-40 years ago0.3710.3700.7491.335
41-50 years ago0.4710.0.0.21000.558
over 50 years ago2.2270.7501.5324.418
total16.093.82010.61030.44
Northeastern Alpsn/a6.3160.8514.02111.012
less than 10 years ago3.6220.9406.41610.911
11-20 years ago2.1291.1413.2226.515
21-30 years ago0.5580.0.2.1282.625
31-40 years ago0.6590.6591.3352.426
41-50 years ago0.3700.0.1.3381.533
over 50 years ago2.0280.5581.6334.119
total15.3103.92019.8739.13
Southwestern Alpsn/a11.2120.94510.21222.38
less than 10 years ago6.5161.53314.51022.58
11-20 years ago4.2201.1418.91314.210
21-30 years ago3.5221.0418.91413.411
31-40 years ago2.4270.9458.91312.211
41-50 years ago1.8310.21007.1159.013
over 50 years ago6.9161.93015.11024.08
total36.467.51573.53117.42
Southeastern Alpsn/a21.590.6589.41331.47
less than 10 years ago18.291.04124.9844.25
11-20 years ago12.0120.47116.01028.37
21-30 years ago5.0190.5576.91612.412
31-40 years ago3.6220.21006.2179.913
41-50 years ago2.0300.0.3.7225.817
over 50 years ago13.0111.04110.21324.28
total75.243.72277.33156.22
Southern Alpsn/a19.092.12925.3846.36
less than 10 years ago3.1240.47112.71116.110
11-20 years ago3.1231.2389.61314.011
21-30 years ago2.0300.8458.51411.412
31-40 years ago2.5271.1418.91412.411
41-50 years ago2.5271.53513.61117.69
over 50 years ago9.5134.12137.6651.25
total41.7611.212116.22169.21
Switzerlandn/a106.646.51768.45181.53
less than 10 years ago319.528.314145.53473.41
11-20 years ago129.135.71885.04219.93
21-30 years ago44.663.82148.2696.64
31-40 years ago22.293.62236.1761.95
41-50 years ago14.1112.82632.3749.16
over 50 years ago51.669.11480.54141.23
total687.7139.86496.011223.50
© WSL, Swiss National Forest Inventory, 19.06.2020 #852498/318829
NFI1
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a1.8330.21000.21000.8500.0.3.026
less than 10 years ago107.93164.4264.0544.764.222385.22
11-20 years ago29.4827.1815.91118.2103.72394.34
21-30 years ago8.8156.1185.51913.0122.42935.77
31-40 years ago2.2301.6355.0208.7152.62820.210
41-50 years ago0.8500.4712.3294.4211.3389.115
over 50 years ago5.6195.7187.31629.888.81557.36
total156.42205.61100.24119.5423.09604.81
inside perimetern/a0.0.0.0.0.0.0.21000.0.0.2100
less than 10 years ago1.0450.0.0.6586.7171.6359.814
11-20 years ago0.6580.21000.4713.8231.1416.118
21-30 years ago0.6580.0.0.0.3.7231.2415.519
31-40 years ago0.4710.0.0.21001.0451.7353.325
41-50 years ago0.0.0.0.0.0.0.6581.2411.833
over 50 years ago1.2410.0.0.4714.4213.0269.015
total3.7230.21001.63520.3109.81435.77
outside perimetern/a0.0.0.0.0.0.0.8500.21001.045
less than 10 years ago18.51013.61261.5567.1515.111175.73
11-20 years ago5.9182.82726.0837.6711.51383.85
21-30 years ago3.6231.4387.81628.3811.01352.06
31-40 years ago2.0310.4714.92019.71016.21043.17
41-50 years ago0.8500.0.1.6337.81611.51321.89
over 50 years ago3.3242.6286.91735.4731.2779.55
total34.0720.79108.73196.7296.73456.82
totaln/a1.8330.21000.21001.8330.21004.222
less than 10 years ago127.33178.02126.13118.4320.89570.71
11-20 years ago35.8730.1842.3659.5516.310184.23
21-30 years ago12.9127.41613.31245.0614.61193.24
31-40 years ago4.6212.03210.11429.4820.5966.55
41-50 years ago1.6350.4713.92212.81214.11132.78
over 50 years ago10.1148.31514.71169.6543.16145.83
total194.11226.51210.61336.51129.521097.31
© WSL, Swiss National Forest Inventory, 19.06.2020 #852499/318830
NFI1
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a1.8230.5450.2710.8350.0.3.417
less than 10 years ago111.42163.7164.4346.244.016389.71
11-20 years ago30.1527.9616.2819.473.41797.13
21-30 years ago7.6115.5135.61311.192.42032.26
31-40 years ago3.3181.8233.9168.9113.01820.97
41-50 years ago0.8350.6411.6254.4150.8358.211
over 50 years ago7.5115.4138.21132.659.01062.74
total162.51205.51100.13123.5222.66614.11
inside perimetern/a0.0.0.0.0.11000.11000.0.0.271
less than 10 years ago1.2290.11001.3285.7131.3289.710
11-20 years ago0.8350.11000.3583.4171.4276.013
21-30 years ago0.4500.0.0.3583.1181.8235.613
31-40 years ago0.3580.11000.2711.8241.6254.016
41-50 years ago0.0.0.0.0.0.0.4500.8351.229
over 50 years ago0.7380.0.0.2714.7152.9188.511
total3.4170.3582.52019.379.81035.35
outside perimetern/a0.0.0.11000.4501.0320.11001.625
less than 10 years ago17.0713.3861.5369.3315.28176.32
11-20 years ago5.6133.11823.6635.5511.2979.03
21-30 years ago3.0181.4279.21027.2611.6952.44
31-40 years ago1.9230.6415.21419.0717.3743.85
41-50 years ago0.6410.0.1.7238.61111.6922.66
over 50 years ago3.1181.8247.81134.1532.1578.93
total31.2520.37109.42194.7299.02454.61
totaln/a1.8230.6410.7381.9230.11005.214
less than 10 years ago129.62177.11127.32121.3220.57575.71
11-20 years ago36.5531.2540.1558.3416.08182.12
21-30 years ago11.096.91215.1841.4515.8890.23
31-40 years ago5.4142.5209.31029.7621.8668.74
41-50 years ago1.4270.6413.31713.5913.2832.05
over 50 years ago11.397.21216.2871.4344.04150.12
total197.11226.11212.01337.51131.411104.00
© WSL, Swiss National Forest Inventory, 19.06.2020 #852500/318831
NFI1
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a1.8330.21000.21000.8500.0.3.026
less than 10 years ago105.93161.5261.7541.773.026373.72
11-20 years ago28.8826.3815.11116.8113.52490.54
21-30 years ago8.5156.1185.51911.8132.23034.18
31-40 years ago2.2301.6355.0208.4152.62819.810
41-50 years ago0.6580.4712.3294.4211.0458.615
over 50 years ago5.4195.0206.91725.697.81550.76
total153.22201.0196.84109.3420.19580.41
inside perimetern/a0.0.0.0.0.0.0.21000.0.0.2100
less than 10 years ago1.0450.0.0.6586.5171.6359.614
11-20 years ago0.6580.21000.4713.5231.1415.918
21-30 years ago0.6580.0.0.0.3.5231.2415.319
31-40 years ago0.4710.0.0.21001.0451.7353.325
41-50 years ago0.0.0.0.0.0.0.6581.2411.833
over 50 years ago1.2410.0.0.4713.8232.9268.216
total3.7230.21001.63519.1109.61434.37
outside perimetern/a0.0.0.0.0.0.0.8500.21001.045
less than 10 years ago18.31013.61259.8565.7514.511171.83
11-20 years ago5.9182.82725.2835.8711.11380.85
21-30 years ago3.6231.4387.21727.7810.81350.66
31-40 years ago2.0310.4714.52119.51015.71142.17
41-50 years ago0.8500.0.1.6337.81611.31321.69
over 50 years ago3.1252.2306.51733.5729.6774.95
total33.6720.39104.93190.7293.33442.82
totaln/a1.8330.21000.21001.8330.21004.222
less than 10 years ago125.13175.12122.23113.8419.010555.21
11-20 years ago35.2729.3840.7656.1615.811177.23
21-30 years ago12.7127.41612.71243.0614.21190.15
31-40 years ago4.6212.0329.71428.8820.0965.15
41-50 years ago1.4380.4713.92212.81213.51232.08
over 50 years ago9.7147.11613.91262.8540.36133.84
total190.51221.51203.31319.11123.121057.51
© WSL, Swiss National Forest Inventory, 19.06.2020 #852501/318832
NFI1
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a2.2300.6583.22528.3814.21148.66
less than 10 years ago107.93164.6264.2545.564.222386.42
11-20 years ago29.6827.1816.11118.6103.92395.34
21-30 years ago8.8156.2185.81813.4122.42936.57
31-40 years ago2.4291.6355.0209.3142.62821.010
41-50 years ago0.8500.4712.3294.4211.6359.414
over 50 years ago5.6196.1188.31533.4710.01463.55
total157.22206.71104.93152.9338.87660.61
inside perimetern/a0.0.0.0.0.0.2.4290.8503.225
less than 10 years ago1.0450.0.0.6586.9171.63510.014
11-20 years ago0.6580.21000.4713.8231.1416.118
21-30 years ago0.6580.0.0.0.3.7231.2415.519
31-40 years ago0.4710.0.0.21001.0451.7353.325
41-50 years ago0.0.0.0.0.0.0.6581.4382.032
over 50 years ago1.2410.0.0.4714.6213.4249.614
total3.7230.21001.63522.9911.21339.77
outside perimetern/a0.21000.0.0.6587.11713.71221.59
less than 10 years ago18.51013.61261.5567.3515.111175.93
11-20 years ago5.9182.82726.0838.0711.51384.25
21-30 years ago3.6231.4387.81628.9811.21352.86
31-40 years ago2.0310.4715.11920.9916.81045.16
41-50 years ago0.8500.0.1.8318.01511.51322.29
over 50 years ago3.3242.8278.01638.1732.6784.75
total34.2720.99110.83208.22112.33486.41
totaln/a2.4290.6583.82337.8728.6873.35
less than 10 years ago127.33178.22126.33119.6320.89572.31
11-20 years ago36.0730.1842.5660.3516.510185.63
21-30 years ago12.9127.61613.51246.0614.81194.84
31-40 years ago4.8202.03210.31431.2821.1969.35
41-50 years ago1.6350.4714.12113.01214.51133.67
over 50 years ago10.1148.91516.71176.0546.06157.83
total195.11227.81217.31384.01162.321186.61
© WSL, Swiss National Forest Inventory, 19.06.2020 #852502/318833
NFI1
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI1
state1983/85
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a2.1220.7382.22127.8613.9846.85
less than 10 years ago111.42164.0164.6346.944.016390.91
11-20 years ago30.2528.0616.4819.773.51797.93
21-30 years ago7.6115.6135.81311.492.42032.85
31-40 years ago3.4171.8233.9169.3103.31721.77
41-50 years ago0.8350.6411.6254.4151.0328.411
over 50 years ago7.6115.6139.11036.5510.41069.24
total163.11206.41103.62156.0238.55667.61
inside perimetern/a0.11000.0.0.11002.2210.7383.118
less than 10 years ago1.2290.11001.3285.8131.3289.810
11-20 years ago0.8350.11000.3583.4171.4276.013
21-30 years ago0.4500.0.0.3583.1181.8235.613
31-40 years ago0.3580.11000.3581.8241.6254.116
41-50 years ago0.0.0.0.0.0.0.5450.9331.427
over 50 years ago0.7380.0.0.2715.0143.3179.210
total3.5170.3582.62022.0711.0939.35
outside perimetern/a0.2710.11000.9337.71113.3822.27
less than 10 years ago17.1713.4861.6369.9315.38177.32
11-20 years ago5.6133.21723.8635.9511.3979.83
21-30 years ago3.0181.4279.31027.8611.7953.24
31-40 years ago1.9230.6415.31420.0717.9745.55
41-50 years ago0.6410.0.1.8238.81111.8923.16
over 50 years ago3.1181.9238.61137.0533.7584.43
total31.5520.67111.32207.12115.02485.51
totaln/a2.4200.8353.21837.7527.9672.14
less than 10 years ago129.72177.51127.62122.7220.67578.01
11-20 years ago36.6531.4540.5559.0416.27183.72
21-30 years ago11.097.01215.4842.4515.9891.63
31-40 years ago5.5132.5209.51031.1522.7671.44
41-50 years ago1.4270.6413.41713.8813.7832.95
over 50 years ago11.497.51117.9778.5347.44162.72
total198.11227.31217.51385.11164.411192.40
© WSL, Swiss National Forest Inventory, 19.06.2020 #852503/318834
NFI2
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a0.0.0.0.0.0.0.4710.21000.658
less than 10 years ago87.14142.3244.4635.472.927312.12
11-20 years ago41.7642.7628.9822.792.032138.14
21-30 years ago14.8118.7158.81512.1131.93346.26
31-40 years ago4.8203.1253.5247.9162.42921.710
41-50 years ago1.2411.6353.6235.2202.23013.812
over 50 years ago3.6232.6287.51625.698.61547.96
total153.22201.0196.84109.3420.19580.41
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.4380.21000.8505.7180.4718.515
11-20 years ago0.6580.0.0.21003.7231.3385.918
21-30 years ago0.4710.0.0.21002.4291.0454.022
31-40 years ago0.6580.0.0.0.2.2301.2413.922
41-50 years ago0.21000.0.0.21001.0451.7353.026
over 50 years ago0.6580.0.0.21004.2224.1229.015
total3.7230.21001.63519.1109.61434.37
outside perimetern/a0.0.0.0.0.0.0.4710.0.0.471
less than 10 years ago13.91212.01245.9657.3510.713139.94
11-20 years ago9.3144.32130.1838.4710.21392.44
21-30 years ago3.5231.43813.81224.899.51453.16
31-40 years ago2.3290.6585.12021.399.81439.27
41-50 years ago1.8330.4712.92615.21114.41134.67
over 50 years ago2.7271.6357.01733.3738.7683.35
total33.6720.39104.93190.7293.33442.82
totaln/a0.0.0.0.0.0.0.8500.21001.045
less than 10 years ago102.43154.6291.1498.4414.011460.52
11-20 years ago51.6547.1659.2564.9513.512236.33
21-30 years ago18.71010.11422.9939.3712.312103.24
31-40 years ago7.7163.7238.61531.3813.41264.85
41-50 years ago3.2252.0326.81721.3918.31051.56
over 50 years ago7.0174.22214.71163.1551.35140.23
total190.51221.51203.31319.11123.121057.51
© WSL, Swiss National Forest Inventory, 19.06.2020 #852504/318835
NFI2
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a1.0451.2410.8503.8230.21007.017
less than 10 years ago90.04145.5246.0639.173.325323.82
11-20 years ago42.6643.9630.4825.693.523145.93
21-30 years ago15.2118.8159.61414.3122.33050.26
31-40 years ago5.0203.3243.9229.5142.82724.59
41-50 years ago1.2411.6353.6236.4182.82715.611
over 50 years ago4.3223.0269.01531.1810.71358.06
total159.22207.31103.33129.6325.68625.01
inside perimetern/a0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.4380.21000.8505.9180.4718.715
11-20 years ago0.6580.0.0.21004.2221.3386.318
21-30 years ago0.4710.0.0.21002.8271.0454.421
31-40 years ago0.6580.0.0.0.2.4291.2414.122
41-50 years ago0.21000.0.0.21001.0451.7353.026
over 50 years ago0.6580.0.0.21004.8204.72110.214
total3.7230.21001.63520.9910.21436.77
outside perimetern/a0.21000.0.0.0.2.0321.0453.225
less than 10 years ago14.31112.01247.8660.3512.312146.73
11-20 years ago9.3144.32130.7741.0710.61395.94
21-30 years ago3.5231.43814.41125.889.71454.86
31-40 years ago2.3290.6585.51922.3910.01440.87
41-50 years ago1.8330.4713.32415.41115.21136.07
over 50 years ago2.9261.8338.21535.7742.0690.64
total34.4720.59109.93202.52100.83468.11
totaln/a1.2411.2410.8505.8181.24110.214
less than 10 years ago105.63157.7294.64105.3416.011479.12
11-20 years ago52.5548.3661.3570.7515.511248.23
21-30 years ago19.11010.31424.2942.9612.912109.44
31-40 years ago7.9163.9229.41434.1714.01169.35
41-50 years ago3.2252.0327.21722.7919.6954.76
over 50 years ago7.8164.72017.41071.5557.35158.83
total197.31228.01214.81353.11136.621129.71
© WSL, Swiss National Forest Inventory, 19.06.2020 #852505/318836
NFI2
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a9.6139.9139.61313.2113.22345.56
less than 10 years ago88.83142.4245.6639.463.124319.22
11-20 years ago37.9638.7626.8822.893.123129.43
21-30 years ago13.6117.7158.51412.7122.03044.66
31-40 years ago4.5202.9243.4228.4142.52721.79
41-50 years ago1.1411.4353.2245.7182.52713.911
over 50 years ago3.9222.6268.01527.589.51351.56
total159.32205.61105.13129.7326.08625.71
inside perimetern/a0.4710.21000.4701.0410.7502.726
less than 10 years ago1.2380.21001.2385.4180.4718.414
11-20 years ago0.5580.0.0.21003.7221.2385.618
21-30 years ago0.4710.0.0.21002.5270.8453.921
31-40 years ago0.5580.0.0.0.2.1291.1413.722
41-50 years ago0.21000.0.0.21000.9451.5352.726
over 50 years ago0.5580.0.0.21004.2204.1219.114
total3.7220.4712.42819.899.81336.17
outside perimetern/a1.7311.4357.81518.899.61339.37
less than 10 years ago13.81111.31246.9660.8512.711145.53
11-20 years ago8.2143.82127.1836.479.61385.24
21-30 years ago3.1231.23812.71122.988.51448.56
31-40 years ago2.1290.5584.81919.898.91436.17
41-50 years ago1.6330.3713.02413.61113.41131.97
over 50 years ago2.6261.6337.31531.6737.4680.44
total33.2720.19109.63203.82100.23466.91
totaln/a11.61211.41217.81033.1713.61187.54
less than 10 years ago103.93153.9293.73105.5416.110473.11
11-20 years ago46.6542.5654.1562.9514.011220.13
21-30 years ago17.1109.01421.4938.1711.41296.94
31-40 years ago7.1163.4228.31430.3712.41161.55
41-50 years ago2.8251.7326.41720.1917.4948.56
over 50 years ago7.0164.22015.41063.4551.15141.03
total196.21226.11217.11353.41136.021128.71
© WSL, Swiss National Forest Inventory, 19.06.2020 #852506/318837
NFI2
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a1.8332.1305.71941.0716.61167.25
less than 10 years ago90.04145.5246.2639.173.325324.02
11-20 years ago42.6643.9630.4825.693.523145.93
21-30 years ago15.2118.8159.61414.3122.33050.26
31-40 years ago5.0203.3243.9229.5142.82724.59
41-50 years ago1.2411.6353.6236.4182.82715.611
over 50 years ago4.3223.0269.01531.3810.71358.26
total160.02208.31108.43167.0341.96685.61
inside perimetern/a0.0.0.0.0.0.2.4291.2413.523
less than 10 years ago1.4380.21000.8505.9180.4718.715
11-20 years ago0.6580.0.0.21004.2221.3386.318
21-30 years ago0.4710.0.0.21002.8271.0454.421
31-40 years ago0.6580.0.0.0.2.4291.2414.122
41-50 years ago0.21000.0.0.21001.0451.7353.026
over 50 years ago0.6580.0.0.21005.0204.72110.414
total3.7230.21001.63523.5911.41340.57
outside perimetern/a0.4710.21002.33013.11217.41033.48
less than 10 years ago14.31112.01248.0660.5512.312147.13
11-20 years ago9.3144.32130.7741.0710.61395.94
21-30 years ago3.5231.43814.41125.889.71454.86
31-40 years ago2.3290.6585.51922.3910.01440.87
41-50 years ago1.8330.4713.32415.41115.31136.27
over 50 years ago2.9262.0328.21535.9742.2691.24
total34.6720.99112.43214.02117.62499.51
totaln/a2.2302.3298.01656.5635.27104.24
less than 10 years ago105.63157.7295.04105.4416.011479.72
11-20 years ago52.5548.3661.3570.7515.511248.23
21-30 years ago19.11010.31424.2942.9612.912109.44
31-40 years ago7.9163.9229.41434.1714.01169.35
41-50 years ago3.2252.0327.21722.7919.8954.96
over 50 years ago7.8164.92017.41072.1557.55159.83
total198.31229.41222.41404.51170.911225.50
© WSL, Swiss National Forest Inventory, 19.06.2020 #852507/318838
NFI2
forest area
rockfall SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: production region
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI2
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtecttime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a10.41310.91214.11152.0619.09106.54
less than 10 years ago88.83142.4245.8639.463.124319.42
11-20 years ago37.9638.7626.8822.893.123129.43
21-30 years ago13.6117.7158.51412.7122.03044.66
31-40 years ago4.5202.9243.4228.4142.52721.79
41-50 years ago1.1411.4353.2245.7182.52713.911
over 50 years ago3.9222.6268.01527.789.51351.76
total160.22206.71109.83168.7341.76687.11
inside perimetern/a0.4710.21000.6583.1242.1296.417
less than 10 years ago1.2380.21001.2385.4180.4718.414
11-20 years ago0.5580.0.0.21003.7221.2385.618
21-30 years ago0.4710.0.0.21002.5270.8453.921
31-40 years ago0.5580.0.0.0.2.1291.1413.722
41-50 years ago0.21000.0.0.21000.9451.5352.726
over 50 years ago0.5580.0.0.21004.4204.1219.314
total3.7220.4712.52722.1911.21239.96
outside perimetern/a1.9301.5339.91329.6725.3868.15
less than 10 years ago13.81111.31247.1660.9512.711145.93
11-20 years ago8.2143.82127.1836.479.61385.24
21-30 years ago3.1231.23812.71122.988.51448.56
31-40 years ago2.1290.5584.81919.898.91436.17
41-50 years ago1.6330.3713.02413.61113.61132.17
over 50 years ago2.6261.7327.31531.8737.6680.94
total33.4720.59111.83214.92116.22496.81
totaln/a12.71112.61124.6884.7446.36181.03
less than 10 years ago103.93153.9294.13105.7416.110473.71
11-20 years ago46.6542.5654.1562.9514.011220.13
21-30 years ago17.1109.01421.4938.1711.41296.94
31-40 years ago7.1163.4228.31430.3712.41161.55
41-50 years ago2.8251.7326.41720.1917.6948.76
over 50 years ago7.0164.42015.41063.9551.25141.93
total197.21227.51224.21405.71169.211223.80
© WSL, Swiss National Forest Inventory, 19.06.2020 #852508/318839
NFI2
forest area
rockfall SilvaProtect · percentage of salvage logging
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
rockfall SilvaProtectpercentage of salvage logging %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a26.22.735.18.730.97.022.71.437.84.930.93.172.713.924.04.627.31.536.03.541.53.225.43.530.57.633.74.520.52.333.96.033.83.528.83.630.94.416.61.531.54.938.42.121.01.69.25.225.92.627.10.5
0%45.63.06.44.411.54.717.41.226.44.414.92.418.212.13.72.14.60.719.02.925.32.735.73.811.35.42.31.38.51.655.76.239.83.77.32.130.14.02.20.65.62.520.61.72.60.621.47.438.92.915.80.4
1-50%10.61.93.23.20.0.4.70.79.23.06.31.60.0.2.31.71.40.43.81.46.01.614.52.82.92.92.01.43.21.04.72.76.51.91.20.813.63.40.0.1.11.15.00.90.80.410.65.515.52.24.40.3
over 50%14.32.10.0.19.66.17.90.96.52.413.62.39.19.09.03.16.00.85.81.710.62.010.12.48.44.713.33.39.81.71.41.410.52.314.52.913.63.20.30.25.82.513.31.42.80.713.74.816.52.28.30.3
total96.61.144.89.062.06.552.71.679.94.065.72.9100.0.39.05.239.21.664.63.583.42.485.82.753.18.051.24.842.12.895.72.490.52.251.84.088.23.019.11.644.05.177.21.827.21.854.98.396.81.055.70.5
inside perimetern/a0.0.0.0.0.0.1.60.40.80.80.0.0.0.8.23.02.60.52.21.10.0.0.70.74.63.30.70.72.40.90.0.3.01.30.50.50.0.6.71.014.63.80.50.35.10.90.0.0.0.2.50.2
0%0.0.0.0.0.0.0.30.21.31.30.0.0.0.0.0.0.30.20.50.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.60.60.0.0.20.20.0.0.0.0.30.20.0.0.0.0.20.1
1-50%0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.10.10.0.0.0.0.0.1.81.80.0.0.0.0.0.0.0.1.51.00.0.0.0.1.11.10.20.20.0.0.0.0.0.0.10.0
over 50%0.0.0.0.0.0.0.60.30.0.0.0.0.0.5.22.20.30.20.50.50.0.0.0.0.0.1.01.00.30.30.0.0.70.70.70.70.0.0.0.2.31.60.0.1.10.40.0.0.0.0.40.1
total0.0.0.0.0.0.2.70.52.21.60.0.0.0.13.43.63.40.63.21.30.0.0.70.76.43.71.61.22.71.00.0.3.71.53.41.50.0.6.91.018.04.10.70.46.51.00.0.0.0.3.20.2
outside perimetern/a2.61.034.18.618.75.124.81.410.02.920.92.50.0.32.15.040.21.620.62.910.01.92.21.112.05.332.04.534.42.74.32.43.71.431.43.71.71.266.11.918.53.913.31.453.32.021.47.00.70.528.50.5
0%0.70.56.04.28.34.210.71.02.91.76.01.50.0.1.91.35.30.75.71.72.61.14.21.66.73.82.81.65.81.30.0.0.40.43.21.44.61.86.11.05.82.55.10.93.80.810.75.41.70.85.30.3
1-50%0.0.6.04.23.22.13.30.61.11.14.21.30.0.2.41.72.10.54.31.50.90.66.11.95.94.01.61.13.11.00.0.1.71.03.81.53.81.90.40.33.11.71.40.51.80.55.03.60.40.42.20.2
over 50%0.0.9.25.27.93.45.80.84.02.03.11.20.0.11.23.49.81.01.71.03.11.21.10.715.95.810.83.011.81.90.0.0.0.6.41.91.71.21.30.510.63.22.20.67.41.17.94.50.40.45.20.3
total3.41.155.29.038.06.544.71.618.03.734.32.90.0.47.65.457.41.632.23.416.62.413.52.640.58.047.24.855.22.94.32.45.81.744.84.011.83.074.01.738.05.022.01.766.31.945.18.33.21.041.10.5
totaln/a28.82.769.28.349.57.549.11.648.65.051.83.372.713.964.35.170.11.558.73.651.53.228.33.647.18.366.44.657.42.838.26.140.53.760.73.932.64.589.51.364.65.152.22.179.41.630.68.226.62.658.10.6
0%46.33.012.46.019.86.028.41.430.74.620.92.718.212.15.62.410.21.025.23.227.92.839.93.918.06.45.12.014.42.055.76.240.23.711.12.634.74.18.51.111.43.425.71.96.71.032.18.440.62.921.30.5
1-50%10.61.99.25.23.22.18.10.910.23.110.62.10.0.4.82.43.60.68.12.06.91.720.73.210.65.03.51.86.31.44.72.78.22.16.42.017.43.70.40.35.32.36.61.12.60.715.66.515.92.26.70.3
over 50%14.32.19.25.227.56.714.41.110.53.116.72.59.19.025.34.716.11.28.02.013.82.311.22.524.37.125.04.221.92.41.41.411.12.421.73.315.23.41.70.518.74.115.51.511.31.321.66.116.92.313.90.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852509/318840
NFI2
forest area
rockfall SilvaProtect · percentage of salvage logging
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
rockfall SilvaProtectpercentage of salvage logging %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a24.22.737.39.729.77.322.31.438.85.229.83.366.716.725.75.027.21.536.43.739.83.425.03.730.38.233.04.821.12.534.56.432.13.727.33.831.04.516.21.529.75.338.72.220.81.711.16.124.02.726.70.6
0%46.63.24.14.113.25.317.11.324.54.514.82.622.214.72.71.94.40.719.83.125.22.835.74.013.36.32.51.57.11.655.66.641.74.08.22.428.64.02.30.65.22.620.91.92.80.717.47.540.83.115.90.5
1-50%10.32.04.14.10.0.4.50.710.03.36.11.70.0.1.51.51.50.43.51.45.91.614.22.93.43.42.11.43.51.15.33.06.32.00.80.814.43.50.0.1.31.35.21.00.80.412.66.414.62.24.40.3
over 50%15.12.30.0.22.16.78.41.06.32.514.42.511.111.18.03.26.20.85.81.810.62.110.82.76.44.313.93.610.61.91.51.510.62.515.73.214.03.30.40.34.32.412.81.52.80.711.25.217.32.48.50.4
total96.31.245.59.965.07.052.21.779.74.265.03.1100.0.38.05.739.31.765.53.681.42.785.62.953.48.651.55.242.33.096.92.190.62.451.94.388.03.118.81.640.55.677.61.927.21.952.38.796.71.155.60.6
inside perimetern/a0.0.0.0.0.0.1.40.40.90.90.0.0.0.9.43.42.70.62.31.20.0.0.90.92.22.20.70.72.81.00.0.2.11.20.60.60.0.6.71.116.04.30.60.45.41.00.0.0.0.2.50.2
0%0.0.0.0.0.0.0.40.21.31.30.0.0.0.0.0.0.30.20.60.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.40.30.0.0.0.0.20.1
1-50%0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.61.10.0.0.0.1.31.30.0.0.0.0.0.0.0.0.10.0
over 50%0.0.0.0.0.0.0.70.30.0.0.0.0.0.6.12.60.40.20.60.60.0.0.0.0.0.1.01.00.30.30.0.0.80.80.80.80.0.0.0.2.82.00.0.1.30.50.0.0.0.0.50.1
total0.0.0.0.0.0.2.60.62.31.60.0.0.0.15.54.13.50.63.51.40.0.0.90.92.22.21.71.23.11.10.0.2.81.43.11.50.0.6.91.120.14.70.60.47.01.10.0.0.0.3.30.2
outside perimetern/a2.91.133.39.519.95.624.61.511.43.221.02.70.0.32.15.440.51.719.43.011.12.21.81.014.36.230.54.834.62.93.12.14.21.631.24.01.81.367.12.018.84.412.41.553.12.120.17.10.80.628.50.5
0%0.80.67.05.07.64.411.61.12.11.56.31.60.0.1.21.25.20.86.31.93.01.24.61.77.94.52.21.56.21.40.0.0.50.52.81.44.51.85.71.05.62.75.11.03.30.812.76.31.60.85.30.3
1-50%0.0.7.05.01.91.93.30.61.21.24.11.40.0.2.71.92.20.54.11.50.90.76.12.03.43.41.81.32.61.00.0.1.91.13.61.64.02.00.20.23.72.01.60.61.80.65.84.20.40.42.20.2
over 50%0.0.7.05.05.63.25.60.83.41.93.51.30.0.10.53.59.41.01.20.83.51.31.10.818.86.712.33.511.21.90.0.0.0.7.42.21.81.31.20.511.33.62.60.77.51.19.05.10.40.45.10.3
total3.71.254.59.935.07.045.11.718.13.935.03.10.0.46.55.857.21.731.03.518.62.713.62.844.48.746.75.254.63.03.12.16.62.045.04.312.03.174.21.839.35.521.81.965.82.047.78.73.31.141.20.6
totaln/a27.12.870.79.149.68.048.41.751.15.350.93.566.716.767.25.470.51.658.13.850.93.427.63.846.89.064.25.058.53.037.56.538.43.959.14.232.84.690.01.364.55.651.72.379.31.831.28.824.82.857.70.6
0%47.43.211.16.320.86.529.11.528.04.821.12.922.214.73.92.29.81.026.73.428.23.040.34.121.17.34.72.113.32.055.66.642.24.011.02.733.14.28.11.210.83.726.02.06.51.130.18.942.43.121.50.5
1-50%10.32.011.16.31.91.97.90.911.23.410.22.10.0.4.22.43.80.77.62.06.81.820.23.36.84.63.91.96.11.45.33.08.12.26.02.118.33.80.20.26.32.86.91.22.60.718.57.515.12.36.70.3
over 50%15.12.37.05.027.77.214.71.29.63.117.92.711.111.124.65.016.01.37.62.014.12.411.92.825.37.627.24.622.12.61.51.511.32.623.93.715.83.51.60.518.44.515.31.611.61.420.26.717.72.514.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852510/318841
NFI2
forest area
rockfall SilvaProtect · percentage of salvage logging
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
rockfall SilvaProtectpercentage of salvage logging %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a23.22.737.39.729.77.321.11.440.15.330.33.462.518.223.85.124.71.635.73.738.53.424.63.723.28.131.64.918.72.534.56.431.73.827.13.930.74.513.61.527.95.536.82.318.61.711.46.324.22.825.30.6
0%47.13.24.14.113.25.317.41.324.44.614.52.625.016.21.31.34.70.819.73.125.42.936.44.114.66.82.71.67.21.755.66.641.44.08.02.529.04.12.30.72.82.021.61.92.80.718.07.740.23.116.40.5
1-50%10.62.04.14.10.0.4.60.710.43.46.41.80.0.1.61.61.50.53.61.56.21.714.73.03.83.71.11.13.51.25.33.06.42.00.80.813.93.50.0.1.51.55.61.10.80.413.06.615.02.34.60.3
over 50%15.12.30.0.22.16.78.61.05.52.514.12.512.512.48.73.46.60.96.01.911.12.210.12.77.14.814.73.811.82.11.51.510.82.516.93.414.23.30.40.35.02.812.81.62.60.711.55.317.32.58.80.4
total96.11.345.59.965.07.051.81.880.34.265.33.2100.0.35.55.837.51.865.13.781.12.885.82.948.79.150.15.441.23.296.92.190.32.452.84.587.83.116.31.637.25.976.92.024.81.954.08.996.61.255.20.6
inside perimetern/a0.0.0.0.0.0.1.50.41.01.00.0.0.0.10.23.72.80.62.41.20.0.0.90.92.42.40.80.82.61.10.0.2.11.20.0.0.0.7.11.214.14.40.70.45.31.00.0.0.0.2.50.2
0%0.0.0.0.0.0.0.40.21.41.40.0.0.0.0.0.0.30.20.60.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.40.30.0.0.0.0.20.1
1-50%0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.81.20.0.0.0.1.51.50.0.0.0.0.0.0.0.0.10.0
over 50%0.0.0.0.0.0.0.70.30.0.0.0.0.0.6.62.80.40.20.60.60.0.0.0.0.0.1.11.10.40.40.0.0.80.80.90.90.0.0.0.3.32.30.0.1.10.50.0.0.0.0.50.1
total0.0.0.0.0.0.2.70.62.31.70.0.0.0.16.84.43.70.73.61.50.0.0.90.92.42.41.81.33.01.10.0.2.91.42.61.50.0.7.31.218.95.00.70.46.91.10.0.0.0.3.30.2
outside perimetern/a3.01.133.39.519.95.624.81.511.73.320.62.70.0.32.15.740.21.819.43.011.12.21.81.015.76.830.95.034.83.13.12.14.31.631.14.11.81.369.32.121.65.112.71.654.82.217.57.00.80.628.50.6
0%0.90.67.05.07.64.411.91.12.21.66.11.60.0.1.31.35.80.96.51.93.11.34.11.78.75.02.31.66.41.50.0.0.50.53.01.54.51.95.51.06.43.15.31.13.60.813.16.51.60.85.50.3
1-50%0.0.7.05.01.91.93.30.61.31.34.31.40.0.2.92.12.50.64.21.61.00.76.32.13.83.71.91.42.51.00.0.1.91.13.21.64.02.00.30.34.22.31.80.62.00.66.04.30.50.52.30.2
over 50%0.0.7.05.05.63.25.40.82.21.63.71.40.0.11.43.810.41.11.20.93.71.41.10.820.87.313.03.612.12.10.0.0.0.7.32.21.81.31.40.511.63.92.60.88.01.29.35.20.50.55.30.3
total3.91.354.59.935.07.045.41.717.43.934.73.20.0.47.86.058.81.831.33.618.92.813.32.848.99.348.15.355.83.23.12.16.82.044.64.412.23.176.41.943.96.122.42.068.42.046.08.93.41.241.60.6
totaln/a26.22.870.79.149.68.047.51.852.75.450.93.662.518.266.25.767.71.757.53.849.63.527.33.841.49.363.25.256.13.237.56.538.23.958.24.432.54.690.01.463.76.150.22.478.71.828.98.925.02.856.30.6
0%48.03.211.16.320.86.529.71.627.94.820.63.025.016.22.61.810.81.126.83.528.53.040.44.223.38.05.02.213.52.255.66.641.94.011.12.833.64.28.01.29.23.626.92.16.71.131.19.141.93.222.10.5
1-50%10.62.011.16.31.91.98.11.011.63.510.72.20.0.4.62.64.10.77.82.17.21.821.03.57.55.03.01.86.01.55.33.08.32.35.82.117.93.80.30.37.33.27.41.22.80.719.17.815.42.37.00.3
over 50%15.12.37.05.027.77.214.81.27.72.917.82.812.512.426.75.317.41.47.82.114.72.511.32.727.98.328.84.824.42.81.51.511.62.625.03.916.03.51.80.619.84.915.41.711.81.420.96.917.72.514.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852511/318842
NFI2
forest area
rockfall SilvaProtect · percentage of salvage logging
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectpercentage of salvage logging %± %± %± %± %± %± %±
n/an/a30.11.025.31.423.91.818.61.726.51.814.01.425.20.6
0%34.01.07.40.96.31.02.80.75.40.92.00.616.40.5
1-50%9.10.63.30.62.00.60.80.41.90.60.0.4.60.3
over 50%12.80.77.80.910.91.32.60.77.91.10.30.28.70.4
total86.00.843.71.643.12.024.81.941.72.016.31.554.90.6
inside perimetern/a0.60.21.60.43.80.85.31.01.60.57.51.12.50.2
0%0.20.10.10.10.0.0.40.30.30.20.20.20.20.1
1-50%0.0.0.10.10.50.30.0.0.20.20.0.0.10.0
over 50%0.20.10.50.21.50.51.10.50.30.20.20.20.50.1
total0.90.22.30.55.81.06.91.12.40.67.81.13.20.2
outside perimetern/a6.80.630.61.530.91.954.82.236.51.967.11.928.50.6
0%3.40.411.11.06.41.03.60.85.50.95.91.05.60.3
1-50%1.50.34.70.73.50.82.00.62.50.60.60.32.30.2
over 50%1.40.37.70.910.21.38.01.211.41.32.20.65.30.3
total13.10.754.01.651.12.168.42.055.92.075.81.741.80.6
totaln/a37.41.157.41.658.72.078.71.864.51.988.61.356.20.6
0%37.61.118.61.312.71.46.71.111.31.38.01.122.20.5
1-50%10.60.78.00.95.91.02.80.74.50.90.60.37.10.4
over 50%14.30.816.01.222.61.711.81.419.71.62.70.614.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852512/318843
NFI2
forest area
rockfall SilvaProtect · percentage of salvage logging
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectpercentage of salvage logging %± %± %± %± %± %± %±
n/an/a30.71.027.11.425.31.720.81.729.11.716.51.426.60.6
0%33.91.07.20.86.61.02.80.75.10.81.90.515.90.5
1-50%8.90.63.20.61.80.50.80.41.80.50.0.4.40.3
over 50%12.70.77.60.810.11.22.80.77.51.00.30.28.50.4
total86.20.745.01.643.82.027.21.943.61.918.71.555.40.6
inside perimetern/a0.50.21.50.44.30.85.41.01.60.57.21.02.50.2
0%0.20.10.10.10.0.0.40.30.30.20.20.20.20.1
1-50%0.0.0.10.10.50.30.0.0.20.20.0.0.10.0
over 50%0.20.10.50.21.30.41.30.50.30.20.10.10.50.1
total0.90.22.20.56.11.07.01.12.30.67.51.03.20.2
outside perimetern/a6.70.529.91.430.61.853.12.136.81.865.31.828.60.5
0%3.30.410.81.06.10.93.30.84.90.85.90.95.50.3
1-50%1.40.34.50.73.50.71.80.62.20.60.60.32.20.2
over 50%1.40.37.60.89.91.27.51.110.31.22.00.55.20.3
total12.90.752.81.650.12.065.82.054.11.973.81.741.40.6
totaln/a37.91.058.51.660.21.979.31.867.51.889.01.257.70.6
0%37.41.018.21.212.61.36.51.110.31.28.01.021.50.5
1-50%10.40.77.70.95.80.92.60.74.10.80.60.36.70.3
over 50%14.30.815.61.121.41.611.61.418.11.52.40.614.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852513/318844
NFI2
forest area
rockfall SilvaProtect · percentage of salvage logging
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectpercentage of salvage logging %± %± %± %± %± %± %±
n/an/a31.40.927.31.325.71.621.01.629.21.617.01.327.00.5
0%33.61.07.40.86.80.92.60.65.30.81.90.515.80.4
1-50%9.00.63.30.51.80.50.80.41.70.50.0.4.40.3
over 50%12.50.77.40.89.81.12.80.77.20.90.30.28.20.3
total86.50.745.31.544.11.827.21.843.41.819.11.455.50.5
inside perimetern/a0.60.21.60.43.90.75.10.91.60.56.90.92.50.2
0%0.20.10.10.10.10.10.30.20.40.20.10.10.20.1
1-50%0.0.0.30.10.40.20.0.0.10.10.0.0.10.0
over 50%0.20.10.50.21.20.41.10.40.30.20.10.10.40.1
total0.90.22.40.55.60.96.51.02.40.57.20.93.20.2
outside perimetern/a6.70.530.41.430.81.753.32.036.21.764.71.728.60.5
0%3.20.410.20.95.90.93.80.85.20.86.00.95.40.3
1-50%1.40.24.30.63.60.71.80.52.20.50.70.32.20.2
over 50%1.40.27.40.810.01.17.41.110.61.12.30.55.20.3
total12.60.752.31.550.31.866.31.954.21.873.71.641.30.5
totaln/a38.71.059.31.560.31.879.41.667.01.788.61.258.10.6
0%37.01.017.71.112.81.26.71.010.91.18.01.021.30.5
1-50%10.40.67.90.85.80.92.60.74.10.70.70.36.80.3
over 50%14.00.715.21.121.01.511.31.318.01.42.70.613.90.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852514/318845
NFI2
forest area
rockfall SilvaProtect · percentage of salvage logging
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state1993/95
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
rockfall SilvaProtectpercentage of salvage logging %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a34.71.834.03.237.93.223.12.323.91.824.63.127.52.124.42.321.82.627.54.319.53.418.61.726.51.814.01.425.30.6
0%25.61.640.33.329.63.043.52.638.42.03.71.410.81.49.21.63.51.13.71.81.41.02.80.75.40.92.00.616.30.5
1-50%6.30.97.41.88.71.98.11.514.41.53.81.43.90.92.40.91.70.81.91.31.01.00.80.41.90.60.0.4.60.3
over 50%11.61.26.51.713.12.311.61.717.61.66.71.88.21.312.61.87.51.612.13.16.62.22.60.77.91.10.30.28.70.4
total78.31.588.22.289.42.186.31.894.31.038.73.550.42.348.62.734.53.045.24.728.43.924.81.941.72.016.31.555.00.6
inside perimetern/a1.50.40.0.0.0.0.0.0.0.0.0.0.50.30.60.44.71.38.42.78.52.55.31.01.60.57.51.12.50.2
0%0.30.20.60.60.0.0.30.30.0.0.0.0.0.0.0.0.40.40.0.0.0.0.40.30.30.20.20.20.20.1
1-50%0.0.0.0.0.0.0.0.0.0.0.40.40.0.0.0.0.0.2.81.60.0.0.0.0.20.20.0.0.10.0
over 50%0.50.30.0.0.0.0.0.0.0.0.0.0.40.30.30.31.20.71.91.33.81.51.10.50.30.20.20.20.50.1
total2.30.50.60.60.0.0.30.30.0.0.40.40.80.40.90.56.31.513.13.312.32.96.91.12.40.67.81.13.20.2
outside perimetern/a10.81.18.51.94.41.46.21.31.80.639.03.523.12.031.12.538.63.122.34.036.94.254.82.236.51.967.11.928.50.6
0%4.00.71.40.84.11.35.61.21.60.58.11.913.71.67.71.58.81.85.82.34.11.63.60.85.50.95.91.05.60.3
1-50%3.20.70.50.50.0.0.30.31.00.46.41.84.00.94.01.14.21.24.62.01.61.22.00.62.50.60.60.32.30.2
over 50%1.40.40.90.62.21.01.40.61.30.57.31.98.01.37.71.47.51.79.12.716.63.28.01.211.41.32.20.65.30.3
total19.41.411.22.110.62.113.41.85.71.060.93.648.82.350.52.759.23.141.74.859.34.368.42.055.92.075.81.741.80.6
totaln/a47.01.842.53.342.33.329.32.425.71.963.53.451.02.356.12.765.23.058.24.864.94.178.71.864.51.988.61.356.30.6
0%29.91.742.23.433.73.249.42.739.92.111.82.324.42.016.82.112.72.19.52.95.51.96.71.111.31.38.01.122.10.5
1-50%9.61.17.91.98.71.98.31.515.41.610.62.27.91.26.41.45.91.59.22.72.61.52.80.74.50.90.60.37.00.3
over 50%13.51.37.41.815.32.413.01.819.01.714.12.616.61.720.62.216.32.323.14.027.03.811.81.419.71.62.70.614.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #852515/318846
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