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NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regioncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a1.3400.0.0.0.1.340
crowded22.791.8339.91334.57
normal36.261.6358.11545.95
loose19.0100.4713.42322.89
open20.790.4714.12225.28
scattered11.0130.4711.14112.612
grouped crowded3.2250.0.0.4713.623
grouped normal3.3250.0.0.21003.524
heterogeneous2.8260.0.0.4713.225
total120.224.62027.67152.51
Eastern Juran/a1.0420.0.0.0.1.042
crowded18.280.0.1.24019.48
normal15.590.0.1.53817.09
loose5.2190.0.0.6585.818
open1.5380.0.0.6582.131
scattered1.0440.0.0.21001.240
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total42.430.0.4.12246.62
Western Plateaun/a1.8310.0.0.21002.030
crowded12.8100.0.1.24013.910
normal13.4110.0.2.23015.710
loose6.2170.0.0.5706.717
open5.1190.0.0.4715.519
scattered3.1250.0.0.5703.623
grouped crowded1.2410.0.0.0.1.241
grouped normal0.7580.0.0.0.0.758
heterogeneous0.4710.0.0.21000.658
total44.730.0.5.21949.92
Central Plateaun/a1.6350.0.0.0.1.635
crowded17.090.0.3.62220.78
normal23.670.0.1.53525.27
loose7.9150.0.1.7339.613
open6.7160.0.1.5358.315
scattered2.4290.0.0.4712.826
grouped crowded0.5700.0.0.21000.757
grouped normal0.0.0.0.0.0.0.0.
heterogeneous1.2410.0.0.4701.535
total60.920.0.9.41370.31
Eastern Plateaun/a3.1240.0.0.0.3.124
crowded28.570.0.1.43530.07
normal39.060.0.2.03141.15
loose14.9110.0.1.43816.310
open11.6120.0.0.65812.212
scattered4.0210.0.0.0.4.021
grouped crowded0.7570.0.0.0.0.757
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.7500.0.0.0.0.750
total102.710.0.5.519108.11
Western Pre-Alpsn/a0.8560.9512.2324.022
crowded3.5221.1403.1237.813
normal4.1210.9455.91710.912
loose2.2300.21002.2284.719
open2.2300.5582.2304.920
scattered1.9360.0.1.2453.127
grouped crowded1.8330.21002.3294.321
grouped normal1.2450.0.0.7491.934
heterogeneous0.3700.6581.9342.827
total18.294.52021.7844.43
Central Pre-Alpsn/a2.6260.0.1.3374.021
crowded9.2151.7359.41420.39
normal10.1141.14113.41224.68
loose6.4180.21006.71713.312
open8.7140.6586.21815.511
scattered5.9180.21001.7337.715
grouped crowded4.2210.6580.7505.518
grouped normal2.3280.6581.1414.021
heterogeneous2.2300.6582.9275.719
total51.655.61843.45100.62
Eastern Pre-Alpsn/a1.4380.0.1.0442.528
crowded7.4160.4718.61416.410
normal6.8171.0459.81317.69
loose5.4190.21003.9229.514
open7.1161.2415.71813.911
scattered3.5240.0.2.1315.619
grouped crowded2.3300.0.1.4383.723
grouped normal2.4290.0.0.9493.325
heterogeneous0.21000.0.1.0451.241
total36.662.72634.5673.82
Northwestern Alpsn/a0.6580.6571.0442.229
crowded3.8231.8334.0229.713
normal4.7202.6277.91515.210
loose2.7280.4712.1315.219
open2.7271.2412.4286.317
scattered3.5240.8502.3296.617
grouped crowded2.9261.0453.3257.116
grouped normal2.9260.9501.5375.219
heterogeneous1.2411.3400.9503.424
total24.9810.61325.3760.93
Central Alpsn/a0.4700.21000.21000.848
crowded1.6341.2402.3285.118
normal2.3270.9441.8325.018
loose1.8331.2402.0314.919
open2.7260.9441.2394.919
scattered1.6350.4710.4702.428
grouped crowded1.6350.0.0.21001.833
grouped normal0.6580.21000.0.0.850
heterogeneous0.21000.21000.0.0.470
total12.7105.2188.11326.04
Northeastern Alpsn/a0.4710.21000.6581.141
crowded2.1283.1254.5199.612
normal0.7580.7492.3263.721
loose0.8510.21002.0323.025
open2.6271.0441.9325.518
scattered1.5350.7571.8334.122
grouped crowded1.2410.21000.5571.931
grouped normal0.4700.0.0.21000.557
heterogeneous0.21000.5580.3711.141
total9.8136.61614.2930.64
Southwestern Alpsn/a0.4710.8500.6571.933
crowded3.5233.8227.41514.811
normal4.9204.02110.71319.79
loose3.4242.7266.41712.512
open4.4214.3218.71517.410
scattered7.6161.6357.11616.311
grouped crowded4.9202.7266.51714.111
grouped normal5.1202.2305.61912.912
heterogeneous1.0451.6352.7265.319
total35.3723.7855.84114.82
Southeastern Alpsn/a1.0450.6582.3303.923
crowded7.8152.5286.61716.910
normal9.9142.9267.91520.89
loose5.4192.6287.71615.711
open11.0134.12212.21227.48
scattered12.3121.4389.21422.89
grouped crowded6.8171.5376.51714.711
grouped normal4.6211.8334.62011.113
heterogeneous6.4171.9314.12212.412
total65.1519.4961.15145.62
Southern Alpsn/a0.21000.21000.8501.241
crowded6.0181.93127.4835.47
normal4.8201.43824.3830.47
loose4.0221.63514.61120.19
open5.3192.42910.31318.010
scattered7.1161.24111.01319.39
grouped crowded2.9261.4388.81513.112
grouped normal2.3291.9314.2218.515
heterogeneous1.0452.0314.8207.716
total33.6713.811106.33153.72
Switzerlandn/a16.8113.52410.31430.68
crowded144.2319.41090.84254.42
normal175.9317.21099.54292.72
loose85.359.61455.26150.13
open92.3416.61158.16167.03
scattered66.456.61739.07112.04
grouped crowded34.287.41630.9872.55
grouped normal25.897.51619.01052.36
heterogeneous17.9108.71519.51046.06
total658.7196.74422.321177.71
© WSL, Swiss National Forest Inventory, 18.06.2020 #862178/328509
NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regioncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a1.1410.0.0.0.1.141
crowded23.181.8319.91334.86
normal36.361.6338.01445.95
loose19.290.4713.32322.98
open20.490.4713.92124.78
scattered11.0120.4711.04112.411
grouped crowded3.3230.0.0.3713.622
grouped normal3.3230.0.0.21003.523
heterogeneous3.1240.0.0.4713.423
total120.824.52027.07152.31
Eastern Juran/a0.9430.0.0.0.0.943
crowded17.980.0.1.33719.28
normal14.990.0.1.53516.59
loose5.3180.0.0.7506.017
open1.9310.0.0.6582.527
scattered1.1400.0.0.21001.337
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total42.230.0.4.32046.52
Western Plateaun/a2.1270.0.0.21002.326
crowded12.8100.0.1.14013.89
normal12.9110.0.2.12815.010
loose6.2170.0.0.4706.616
open4.8190.0.0.6585.418
scattered3.0240.0.0.4703.423
grouped crowded1.4350.0.0.0.1.435
grouped normal0.8500.0.0.0.0.850
heterogeneous0.6580.0.0.21000.850
total44.530.0.5.01849.62
Central Plateaun/a1.6330.0.0.0.1.633
crowded17.390.0.3.52120.88
normal22.970.21001.73124.87
loose7.6140.0.1.6319.213
open7.3150.0.1.9309.213
scattered2.6250.0.0.4712.923
grouped crowded0.4700.0.0.21000.657
grouped normal0.0.0.0.0.0.0.0.
heterogeneous1.2380.0.0.3701.533
total60.920.21009.61270.71
Eastern Plateaun/a3.0230.0.0.0.3.023
crowded28.970.0.1.93030.86
normal38.750.0.1.83140.55
loose14.6100.0.1.43516.010
open10.9120.0.0.55811.412
scattered4.3200.0.0.0.4.320
grouped crowded0.8490.0.0.0.0.849
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.7500.0.0.0.0.750
total101.810.0.5.617107.51
Western Pre-Alpsn/a0.9480.8502.3294.020
crowded3.4211.2383.4218.013
normal4.0200.8455.51710.312
loose2.2270.21002.5255.018
open2.1280.5582.8255.317
scattered1.6360.0.1.4382.925
grouped crowded1.8320.21002.2274.220
grouped normal1.0450.3710.6492.030
heterogeneous0.5580.5571.6332.725
total17.584.61922.3744.33
Central Pre-Alpsn/a2.7250.0.1.9304.619
crowded8.7141.9319.01419.69
normal10.0131.23813.51124.78
loose6.4170.21006.71613.311
open8.5140.7506.61615.810
scattered5.6170.21001.7317.515
grouped crowded4.1200.5580.8455.517
grouped normal2.1290.5581.2383.821
heterogeneous2.0300.7502.7265.418
total50.156.01744.15100.22
Eastern Pre-Alpsn/a1.3380.0.1.1402.427
crowded6.9160.3718.61315.89
normal6.6160.84510.51218.09
loose4.9190.3713.9209.113
open7.4151.2385.61714.210
scattered3.7220.0.2.3295.917
grouped crowded2.3270.0.1.2383.622
grouped normal2.3280.0.1.2403.523
heterogeneous0.4710.0.0.9451.338
total35.862.62535.3573.72
Northwestern Alpsn/a0.5580.5571.2372.227
crowded3.5221.6334.1209.213
normal4.4202.8257.81415.19
loose2.7260.3712.6265.617
open2.6251.5332.3276.516
scattered3.2230.9451.9306.016
grouped crowded2.8250.9452.8256.516
grouped normal2.5261.3381.8315.617
heterogeneous1.0411.1411.1403.323
total23.4811.01225.6760.03
Central Alpsn/a0.4700.3710.21000.944
crowded1.6321.5352.5265.716
normal2.1280.9441.6324.618
loose1.8311.1401.9314.718
open2.5260.9441.3364.718
scattered1.6330.3710.4702.327
grouped crowded1.6330.0.0.21001.831
grouped normal0.7500.4710.0.1.141
heterogeneous0.5580.21000.0.0.750
total12.8105.5178.11326.44
Northeastern Alpsn/a0.5570.21000.5581.237
crowded2.5243.0244.3199.911
normal1.2410.6492.1273.920
loose0.7510.11001.8322.725
open2.3271.0412.0295.317
scattered1.7310.6571.8314.220
grouped crowded1.4350.21000.5572.028
grouped normal0.3700.0.0.21000.557
heterogeneous0.21000.5580.3711.041
total10.8116.21613.6930.74
Southwestern Alpsn/a0.6580.7500.8502.030
crowded4.2204.2207.71416.110
normal5.3184.12010.41219.88
loose3.6222.8256.31612.611
open4.5203.8218.61416.910
scattered7.4151.4356.51615.310
grouped crowded5.4182.6256.01714.011
grouped normal5.0192.5275.51813.011
heterogeneous0.9451.8312.4265.118
total36.8623.9854.04114.72
Southeastern Alpsn/a0.9450.7502.0303.622
crowded7.3152.7266.31716.310
normal9.3143.2237.51520.09
loose5.9172.9257.91516.710
open11.2124.12112.11227.47
scattered12.2121.2389.31422.68
grouped crowded6.3161.3386.41614.011
grouped normal5.3181.9304.91912.112
heterogeneous6.7161.7314.02112.511
total65.1419.7960.34145.12
Southern Alpsn/a0.21000.21000.7501.141
crowded6.1172.32828.8737.26
normal4.4201.43524.5830.37
loose3.9211.63314.41119.99
open4.9192.3289.61316.810
scattered6.7161.14110.71218.59
grouped crowded3.2231.6338.31413.011
grouped normal2.3281.7314.0218.014
heterogeneous1.0412.1295.0198.214
total32.8714.111106.03152.92
Switzerlandn/a16.7103.42310.81330.97
crowded144.2320.6992.54257.22
normal173.0317.81098.54289.42
loose85.149.81355.46150.33
open91.3416.31058.45166.03
scattered65.756.11737.87109.64
grouped crowded35.077.11628.9871.05
grouped normal25.788.71419.5953.86
heterogeneous18.8108.61419.01046.46
total655.5198.44420.721174.60
© WSL, Swiss National Forest Inventory, 18.06.2020 #862179/328510
NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a2.3306.6174.7212.8270.210016.611
crowded39.9658.2519.91018.6105.619142.33
normal51.5575.1420.6921.894.421173.43
loose24.2928.3814.11213.9124.02284.55
open21.9923.3918.01023.095.31991.54
scattered12.0129.11411.11324.596.71763.45
grouped crowded3.1262.3307.91616.8112.72632.98
grouped normal2.9260.6585.91812.0132.32923.89
heterogeneous2.9262.3292.8279.1150.85017.811
total160.62205.81105.13142.5332.07646.01
inside perimetern/a0.0.0.0.0.8502.4290.21003.424
crowded1.8330.0.3.22512.2121.93119.210
normal1.6350.0.3.02511.4131.43817.410
loose0.4710.0.0.6587.0161.4389.414
open0.4710.0.2.32911.6132.42916.711
scattered0.4710.0.0.21004.8201.2416.517
grouped crowded0.0.0.0.0.8505.2201.2417.117
grouped normal0.0.0.0.0.6585.0201.9317.516
heterogeneous0.0.0.0.1.2415.3192.0318.515
total4.7200.0.12.71264.9513.41195.84
outside perimetern/a0.0.0.21004.0224.7210.8509.614
crowded11.3136.31721.4924.9927.4891.34
normal9.7145.81828.1830.4823.5897.54
loose4.1223.52312.91219.81014.21154.46
open4.5212.62813.61226.4810.31357.46
scattered1.2410.8504.92020.21010.81338.07
grouped crowded0.4710.21004.12217.0118.61530.38
grouped normal0.21000.0.2.72711.9134.22119.110
heterogeneous0.4710.6585.6198.0154.62119.310
total31.8719.91097.24163.43104.53416.82
totaln/a2.3306.8169.51410.0141.24129.78
crowded53.1564.5544.5655.8535.07252.82
normal62.8580.9451.8563.5529.37288.22
loose28.7831.9727.6840.6719.510148.33
open26.8825.9833.9760.9518.010165.63
scattered13.6129.91416.21149.6618.710107.94
grouped crowded3.5242.52912.81239.0712.51270.35
grouped normal3.1260.6589.31429.088.51550.46
heterogeneous3.3252.9269.61422.497.31645.66
total197.11225.71215.11370.81150.021158.71
© WSL, Swiss National Forest Inventory, 18.06.2020 #862180/328511
NFI3
forest area
avalanches SilvaProtect · crown closure
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
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a2.3306.6174.7212.8270.210016.611
crowded38.7657.2518.71014.2114.122132.93
normal50.2574.5420.21018.7104.222167.93
loose24.0927.7813.51211.8133.22580.25
open21.5922.3916.61119.3104.12283.85
scattered10.3148.21510.31414.7111.83345.37
grouped crowded2.5292.3305.71910.0141.04521.410
grouped normal2.1310.6584.72110.2141.04518.510
heterogeneous2.9262.1302.4297.5160.65815.411
total154.42201.6196.84109.3420.19582.21
inside perimetern/a0.0.0.0.0.8502.4290.21003.424
crowded1.8330.0.3.02611.2131.73317.810
normal1.6350.0.3.02511.4131.43817.410
loose0.4710.0.0.6586.8171.2419.015
open0.4710.0.2.32911.0132.42916.111
scattered0.4710.0.0.21004.8200.4715.819
grouped crowded0.0.0.0.0.8504.4211.2416.318
grouped normal0.0.0.0.0.6584.2221.7336.517
heterogeneous0.0.0.0.1.2414.9201.8337.916
total4.7200.0.12.51261.1511.91290.34
outside perimetern/a0.0.0.21004.0224.7210.8509.614
crowded11.3136.31720.9923.3925.3887.15
normal9.5145.81826.7828.8822.0992.74
loose3.9223.52312.61217.61013.21250.86
open4.5212.62813.61225.099.51455.26
scattered1.2410.8504.72116.4116.01829.18
grouped crowded0.4710.21003.12514.5117.51625.79
grouped normal0.21000.0.2.72711.1133.32417.311
heterogeneous0.4710.6585.6197.3163.62317.511
total31.4719.91094.04148.7391.13385.12
totaln/a2.3306.8169.51410.0141.24129.78
crowded51.9563.5542.6648.8631.17237.83
normal61.4580.3450.0658.9527.58278.12
loose28.3831.3726.7836.2717.610140.14
open26.4824.9832.5755.3616.011155.13
scattered11.9139.01415.21135.878.21580.15
grouped crowded2.8272.5299.61428.989.61453.46
grouped normal2.3300.6588.01625.695.91842.47
heterogeneous3.3252.7279.21419.7106.01840.87
total190.51221.51203.31319.11123.121057.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #862181/328512
NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a2.0306.8164.9192.9250.210016.710
crowded40.1659.5518.8919.496.117143.93
normal51.2574.4420.6922.094.420172.73
loose24.6828.1713.71114.5113.92184.84
open22.6822.9818.11023.094.91991.64
scattered12.3129.81310.71326.086.71665.55
grouped crowded3.3232.5268.51417.5103.22335.17
grouped normal3.3230.7505.41813.8112.32825.68
heterogeneous3.1242.4272.9259.4141.04118.910
total162.52207.11103.53148.7332.87654.71
inside perimetern/a0.0.0.0.0.7502.5270.21003.423
crowded1.8310.0.3.42312.9112.32820.49
normal1.7330.21002.92411.8121.43517.910
loose0.4710.0.0.7507.2151.6339.813
open0.4710.0.2.42711.4122.32816.510
scattered0.4710.0.0.21004.4201.1416.017
grouped crowded0.0.0.0.0.7505.0191.6337.216
grouped normal0.0.0.0.0.9456.0171.7318.614
heterogeneous0.0.0.0.1.2385.3182.1298.614
total4.6200.210013.11166.5514.11198.54
outside perimetern/a0.0.0.21005.0194.7190.75010.513
crowded11.4126.71621.3925.1828.8793.34
normal9.7135.61729.3729.8724.5898.94
loose4.1213.52213.11120.2914.41155.35
open4.5203.02415.21026.289.61358.45
scattered1.2380.7505.31819.7910.71237.67
grouped crowded0.3710.21004.32016.0108.31429.18
grouped normal0.21000.0.3.02412.4124.02119.59
heterogeneous0.4710.5585.2187.9155.01919.010
total31.8720.49101.63161.93106.03421.62
totaln/a2.0306.91510.61210.0131.14130.67
crowded53.4566.1443.5657.5537.26257.62
normal62.5480.2452.8563.6530.37289.42
loose29.0731.6727.5841.9619.99149.93
open27.4825.9835.7760.6516.810166.53
scattered13.91110.51316.11050.1618.59109.14
grouped crowded3.6222.72513.51138.5713.01171.45
grouped normal3.5230.7509.21432.378.01453.86
heterogeneous3.5233.0249.31422.698.21446.56
total198.91227.71218.21377.01152.921174.80
© WSL, Swiss National Forest Inventory, 18.06.2020 #862182/328513
NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a2.3306.6174.9202.8270.210016.811
crowded39.9659.0520.11019.0106.018144.03
normal51.7575.9420.8922.294.820175.33
loose24.2928.7814.11213.9124.02284.95
open22.5923.3918.21023.495.31992.74
scattered12.2129.51411.11326.497.11666.25
grouped crowded3.3252.3308.51517.3112.92634.38
grouped normal3.3250.6585.91813.4122.32925.69
heterogeneous2.9262.3292.8279.1151.04518.010
total162.22208.21106.53147.4333.67657.91
inside perimetern/a0.0.0.0.0.8502.4290.21003.424
crowded1.8330.0.3.22512.4121.93119.410
normal1.6350.0.3.02511.4131.43817.410
loose0.4710.0.0.6587.0161.6359.614
open0.4710.0.2.32911.6132.42916.711
scattered0.4710.0.0.21004.8201.2416.517
grouped crowded0.0.0.0.0.8505.4191.4387.516
grouped normal0.0.0.0.0.6585.0201.9317.516
heterogeneous0.0.0.0.1.2415.5192.0318.715
total4.7200.0.12.71265.5513.81196.84
outside perimetern/a0.0.0.21004.2224.7210.8509.814
crowded11.3136.51721.6925.1827.4891.94
normal9.7145.81828.9831.0824.3899.74
loose4.1223.52312.91220.21014.61155.26
open4.7202.62814.21226.4810.31358.26
scattered1.4380.8504.92020.61011.01338.77
grouped crowded0.4710.21004.42117.2118.81531.08
grouped normal0.21000.0.2.72711.9134.22119.110
heterogeneous0.4710.6585.6198.0154.82019.510
total32.2720.1999.43165.23106.33423.22
totaln/a2.3306.8169.91410.0141.24130.18
crowded53.1565.5544.9656.5535.47255.32
normal63.0581.7452.8564.5530.47292.52
loose28.7832.3727.6841.0720.19149.73
open27.6825.9834.7761.3518.010167.63
scattered14.01210.31316.21151.8619.39111.54
grouped crowded3.7232.52913.71239.8713.11272.85
grouped normal3.5240.6589.31430.488.51552.26
heterogeneous3.3252.9269.61422.697.71646.16
total199.21228.31218.71378.01153.721177.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #862183/328514
NFI4
forest area
avalanches SilvaProtect · crown closure
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a0.6582.7273.1262.2300.21008.815
crowded49.2666.9527.7821.997.616173.33
normal48.7572.4427.5816.7115.818171.23
loose18.31026.987.61614.9111.04568.65
open23.2925.6813.81223.394.92090.84
scattered9.6146.7179.61431.889.81467.65
grouped crowded2.7271.2417.71621.5103.72336.77
grouped normal2.5292.2307.61616.4113.32432.08
heterogeneous8.6153.1256.91710.2141.24129.98
total163.42207.71111.33159.0337.57679.01
inside perimetern/a0.0.0.0.0.4712.2300.21002.827
crowded1.4380.0.4.62112.2122.23020.410
normal1.2410.0.1.43813.2121.43817.310
loose1.2410.0.2.1308.9151.24113.412
open0.4710.0.1.33811.2132.72615.611
scattered0.0.0.0.0.8505.0201.9317.716
grouped crowded0.0.0.0.0.6584.4210.8505.818
grouped normal0.21000.0.0.8504.2221.5356.817
heterogeneous0.21000.0.1.0454.7201.5357.516
total4.7200.0.12.91266.1513.41197.24
outside perimetern/a0.0.0.6582.7274.3221.2418.715
crowded11.7137.11628.5833.9736.26117.54
normal10.6136.31721.9927.6823.0989.44
loose3.1251.63510.21412.4127.11634.47
open4.1222.82713.61230.6811.31362.45
scattered0.6580.6586.11822.898.81538.87
grouped crowded0.0.0.21005.41912.01310.31427.98
grouped normal0.4710.0.3.22511.8136.81722.29
heterogeneous1.4381.0456.51813.1122.62824.69
total32.0720.1998.13168.53107.33426.02
totaln/a0.6583.3246.1188.7151.63520.310
crowded62.4573.9460.8568.1546.15311.32
normal60.6578.7450.8657.6530.37277.92
loose22.6928.4819.91036.279.314116.44
open27.7828.4828.7865.2518.910168.93
scattered10.2147.31616.41159.6520.59114.14
grouped crowded2.7271.43813.71237.9714.71170.45
grouped normal3.1262.23011.61332.4811.71361.06
heterogeneous10.2144.12214.31228.185.31961.96
total200.11227.91222.31393.71158.321202.21
© WSL, Swiss National Forest Inventory, 18.06.2020 #862184/328515
NFI4
forest area
avalanches SilvaProtect · crown closure
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
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a0.6582.5283.1262.0320.21008.415
crowded46.6665.2524.9915.7115.918158.23
normal47.3671.2426.9814.1124.521164.03
loose17.91026.386.61712.3130.85063.85
open22.4924.8812.61219.1102.92681.85
scattered7.3165.7187.11617.7102.92640.97
grouped crowded1.6351.2414.02210.0141.24118.010
grouped normal2.1312.0325.71810.4141.04521.110
heterogeneous8.6152.7275.8198.0160.85025.99
total154.42201.6196.84109.3420.19582.21
inside perimetern/a0.0.0.0.0.4712.2300.21002.827
crowded1.4380.0.4.62111.4132.03119.410
normal1.2410.0.1.43812.6121.43816.711
loose1.2410.0.2.1308.3151.04512.612
open0.4710.0.1.33810.2142.72614.611
scattered0.0.0.0.0.6584.1221.4386.118
grouped crowded0.0.0.0.0.4713.6230.4714.421
grouped normal0.21000.0.0.8504.0221.4386.418
heterogeneous0.21000.0.1.0454.5211.5357.316
total4.7200.0.12.51261.1511.91290.34
outside perimetern/a0.0.0.6582.7273.9231.0458.116
crowded11.6136.91727.5831.0834.07111.04
normal10.4136.31721.3925.2820.5983.75
loose2.9261.63510.01411.0135.91831.58
open4.1222.82713.21228.089.61457.76
scattered0.6580.6585.91819.7104.52131.38
grouped crowded0.0.0.21004.2229.2158.31521.99
grouped normal0.4710.0.3.0269.4145.31918.010
heterogeneous1.4381.0456.21811.4132.03122.09
total31.4719.91094.04148.7391.13385.12
totaln/a0.6583.1256.1188.1161.43819.410
crowded59.6572.0456.9558.1541.96288.62
normal59.0577.5449.6652.0626.38264.42
loose22.0927.8818.71031.687.716107.94
open26.9827.6827.1857.3515.211154.13
scattered7.9166.31813.61241.678.81578.25
grouped crowded1.6351.4388.61522.899.91444.47
grouped normal2.7282.0329.51423.797.61645.56
heterogeneous10.2143.72313.11223.994.42155.26
total190.51221.51203.31319.11123.121057.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #862185/328516
NFI4
forest area
avalanches SilvaProtect · crown closure
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a0.6582.7273.1262.2300.21008.815
crowded48.2666.1525.9820.3107.017167.63
normal48.3672.4427.3816.7115.419170.23
loose17.91026.787.21614.7110.85067.25
open23.1925.4813.61221.994.12288.15
scattered8.8156.2188.41526.498.21557.96
grouped crowded2.7271.2416.71716.6112.92630.18
grouped normal2.5292.0326.71714.6122.23028.08
heterogeneous8.6153.1256.3189.0151.24128.18
total160.62205.81105.13142.5332.07646.01
inside perimetern/a0.0.0.0.0.4712.2300.21002.827
crowded1.4380.0.4.62112.2122.23020.410
normal1.2410.0.1.43813.0121.43817.111
loose1.2410.0.2.1308.7151.24113.212
open0.4710.0.1.33810.8132.72615.211
scattered0.0.0.0.0.6584.7201.9317.316
grouped crowded0.0.0.0.0.6584.4210.8505.818
grouped normal0.21000.0.0.8504.2221.5356.817
heterogeneous0.21000.0.1.0454.5211.5357.316
total4.7200.0.12.71264.9513.41195.84
outside perimetern/a0.0.0.6582.7274.3221.2418.715
crowded11.6136.91728.5832.8736.06115.84
normal10.6136.31721.7927.2822.9988.74
loose3.1251.63510.01411.8136.71733.28
open4.1222.82713.61229.8810.91361.26
scattered0.6580.6586.11822.498.21537.87
grouped crowded0.0.0.21005.02011.4139.71426.39
grouped normal0.4710.0.3.22511.6136.61721.89
heterogeneous1.4381.0456.51812.1132.42923.49
total31.8719.91097.24163.43104.53416.82
totaln/a0.6583.3246.1188.7151.63520.310
crowded61.2573.0459.0565.3545.35303.72
normal60.2578.7450.4657.0529.77275.92
loose22.2928.2819.31035.278.715113.74
open27.6828.2828.5862.6517.710164.53
scattered9.4146.71715.01153.5618.310103.04
grouped crowded2.7271.43812.31232.5813.41262.26
grouped normal3.1262.03210.71330.4810.31356.66
heterogeneous10.2144.12213.71225.795.11958.76
total197.11225.71215.11370.81150.021158.71
© WSL, Swiss National Forest Inventory, 18.06.2020 #862186/328517
NFI3
forest area
avalanches SilvaProtect · regeneration cover
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
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectregeneration cover %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a< 1%5.91.50.0.1.91.92.00.51.31.30.40.40.0.5.92.90.60.33.61.50.50.51.61.10.0.3.21.91.50.70.0.6.22.11.51.13.21.60.40.31.51.54.00.90.0.0.0.2.51.01.80.2
1-9%18.42.516.37.415.86.013.11.24.42.215.12.50.0.13.04.114.01.311.82.517.32.78.72.519.37.310.63.212.02.112.14.415.12.917.03.314.33.54.00.96.13.117.11.87.21.210.46.021.82.712.70.5
10-25%20.72.69.95.425.26.913.61.226.44.818.02.90.0.5.62.814.31.317.93.025.63.129.34.025.78.223.74.610.42.025.85.921.13.316.53.422.94.06.41.116.34.622.72.09.01.322.97.816.22.415.90.5
26-50%20.52.612.36.610.15.011.01.113.43.717.32.875.016.24.12.35.80.911.52.519.32.826.73.80.0.6.42.68.81.823.05.619.93.210.52.814.63.43.20.89.33.715.61.75.81.120.88.019.32.611.60.4
51-75%13.42.23.03.010.15.05.90.815.94.09.62.225.016.22.92.11.90.57.82.113.52.413.52.83.83.71.51.04.51.48.43.615.72.94.01.821.33.81.60.62.61.810.91.52.20.70.0.15.72.47.00.3
76-100%21.12.64.14.11.91.96.30.918.94.04.91.50.0.3.92.20.80.312.52.44.91.56.12.00.0.4.72.34.11.327.66.012.32.63.21.611.43.20.80.41.31.36.71.20.40.30.0.21.22.66.30.3
total100.0.45.59.965.07.051.81.880.34.265.33.2100.0.35.55.837.51.865.13.781.12.885.82.948.79.150.15.441.23.296.92.190.32.452.84.587.83.116.31.637.25.976.92.024.81.954.08.996.61.255.30.6
inside perimeter< 1%0.0.4.14.10.0.0.20.20.0.0.0.0.0.5.92.90.80.30.0.0.60.60.0.0.0.1.21.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.60.30.0.0.0.0.40.1
1-9%0.0.7.05.01.91.93.10.60.0.0.90.60.0.2.71.84.90.80.60.60.50.50.0.3.63.52.91.72.61.10.0.0.0.1.61.20.0.3.60.815.24.51.60.610.21.30.0.0.0.3.10.2
10-25%0.0.0.0.0.0.2.40.50.0.0.40.40.0.5.92.94.90.80.50.50.50.50.0.0.0.3.92.03.01.10.0.0.60.61.51.10.0.2.50.77.83.41.80.67.21.10.0.0.0.2.60.2
26-50%0.0.0.0.0.0.1.40.40.0.1.30.80.0.9.13.22.80.61.20.80.0.1.30.92.42.40.0.1.00.70.0.0.0.0.70.70.0.1.50.52.61.81.40.64.10.93.33.30.0.1.60.2
51-75%0.0.0.0.0.0.0.30.20.0.0.0.0.0.2.92.10.90.30.50.50.0.1.81.20.0.1.21.21.90.90.0.0.0.1.51.10.0.0.40.31.31.30.40.30.80.40.0.0.0.0.60.1
76-100%0.0.0.0.0.0.0.40.20.0.0.0.0.0.1.31.30.0.0.0.0.0.0.70.79.95.60.0.0.50.50.0.0.0.0.0.0.0.0.0.0.0.0.20.20.20.20.0.0.0.0.20.1
total0.0.11.16.31.91.97.90.90.0.2.61.00.0.27.85.414.31.32.81.21.60.93.81.715.96.99.23.08.91.90.0.0.60.65.42.00.0.8.01.226.95.55.71.123.11.83.33.30.0.8.50.4
outside perimeter< 1%0.0.4.14.10.0.1.70.50.0.2.31.00.0.5.92.92.50.60.0.1.10.80.90.90.0.3.82.10.90.60.0.0.0.1.51.10.0.1.90.62.82.00.40.31.80.60.0.0.0.1.40.2
1-9%0.0.8.25.614.35.28.31.02.51.74.71.50.0.8.63.418.51.46.41.91.50.80.70.716.06.83.52.012.62.11.51.52.61.311.42.60.70.730.02.16.33.13.10.817.71.77.15.10.0.10.50.4
10-25%0.0.24.18.210.74.815.81.37.32.711.32.30.0.3.92.215.21.310.22.46.91.81.91.18.44.817.04.013.32.20.0.2.11.29.22.64.02.026.72.014.34.54.71.017.91.79.35.20.30.312.10.4
26-50%0.0.7.04.86.33.69.51.06.82.78.72.00.0.5.22.68.71.08.32.15.91.72.71.44.83.37.12.711.72.11.51.51.00.711.22.80.70.711.11.47.73.25.71.110.31.44.34.32.61.07.50.4
51-75%0.0.0.0.1.91.92.90.61.01.02.81.10.0.3.92.21.90.54.21.51.00.74.21.53.83.73.41.95.91.50.0.0.50.56.82.35.02.14.60.94.92.81.80.63.40.89.35.20.50.52.80.2
76-100%0.0.0.0.0.0.2.10.52.21.62.21.00.0.9.23.51.40.43.01.31.00.70.0.2.42.46.12.55.41.40.0.2.91.41.71.21.81.31.40.50.0.1.60.61.00.412.65.80.0.1.80.2
total0.0.43.39.933.17.040.31.719.74.232.13.20.0.36.75.848.21.832.13.617.32.710.42.535.48.640.75.349.83.23.12.19.12.441.84.412.23.175.71.935.96.017.41.852.12.242.79.13.41.236.20.6
total< 1%5.91.58.25.61.91.94.00.71.31.32.71.10.0.17.84.73.80.73.61.52.21.12.51.40.0.8.23.02.30.90.0.6.22.13.01.53.21.62.30.74.32.54.61.02.30.70.0.2.51.03.60.3
1-9%18.42.531.59.232.07.424.51.56.92.720.72.80.0.24.25.137.41.818.83.019.32.89.42.638.88.716.94.027.22.913.74.617.73.130.03.915.03.537.62.227.65.621.82.035.22.117.57.521.82.726.40.6
10-25%20.72.634.08.635.87.631.81.633.75.129.73.40.0.15.44.434.51.828.63.532.93.331.24.034.19.044.75.326.72.925.85.923.73.527.34.027.04.335.62.238.36.129.22.234.12.132.29.116.52.430.50.6
26-50%20.52.619.27.916.46.021.81.520.24.427.33.375.016.218.44.217.31.421.03.225.33.130.74.07.33.813.53.621.52.724.65.820.93.322.43.715.33.515.81.619.64.922.72.020.31.828.48.921.82.720.70.6
51-75%13.42.23.03.012.05.49.11.016.94.112.42.525.016.29.83.64.70.812.52.614.52.419.53.37.55.06.12.512.32.18.43.616.22.912.33.026.34.16.51.18.83.513.21.66.51.19.35.216.22.410.40.4
76-100%21.12.64.14.11.91.98.81.021.14.37.21.80.0.14.44.32.20.515.52.65.91.76.72.112.46.010.83.310.01.927.66.015.22.94.92.013.23.42.20.61.31.38.61.31.60.612.65.821.22.68.30.4
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, 10.07.2020 #862187/328518
NFI4
forest area
avalanches SilvaProtect · regeneration cover
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
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectregeneration cover %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a< 1%2.51.07.05.01.91.91.50.41.31.32.91.20.0.4.32.53.00.61.20.92.41.11.01.07.35.11.11.11.40.87.53.60.80.80.70.74.51.81.90.60.0.1.80.60.60.34.34.31.90.82.00.2
1-9%12.52.215.17.217.06.112.41.25.82.615.22.612.512.416.34.516.11.411.42.521.32.912.72.920.47.417.24.113.32.220.85.514.72.816.63.37.82.45.91.112.04.119.31.911.41.47.15.111.82.113.50.5
10-25%21.12.74.03.917.16.114.81.316.44.023.93.137.518.25.62.810.81.119.03.027.13.221.93.69.75.716.93.812.12.114.04.717.63.123.13.815.53.55.21.012.84.321.31.98.11.229.48.920.12.615.00.5
26-50%20.92.719.37.915.85.79.21.020.04.412.92.512.512.42.82.04.30.711.52.517.32.623.93.611.35.89.63.27.61.723.95.716.93.14.21.921.03.92.80.78.43.214.21.73.10.84.34.315.32.310.10.4
51-75%18.02.50.0.9.65.07.40.914.33.78.82.125.016.22.61.82.40.612.52.68.52.017.03.30.0.4.62.24.01.213.34.420.03.36.72.318.43.90.60.32.61.810.81.51.30.53.33.322.72.77.80.4
76-100%25.02.70.0.3.82.66.60.922.44.31.60.912.512.43.92.20.80.39.52.24.51.49.22.50.0.0.80.82.91.117.45.120.43.11.61.120.64.00.0.1.31.39.51.40.40.35.53.724.82.86.90.3
total100.0.45.59.965.07.051.81.880.34.265.33.2100.0.35.55.837.51.865.13.781.12.885.82.948.79.150.15.441.23.296.92.190.32.452.84.587.83.116.31.637.25.976.92.024.81.954.08.996.61.255.30.6
inside perimeter< 1%0.0.8.25.61.91.90.60.30.0.0.0.0.0.5.92.92.40.60.0.0.0.0.0.0.0.0.0.1.20.70.0.0.0.0.0.0.0.0.60.33.32.40.20.21.10.50.0.0.0.0.80.1
1-9%0.0.3.03.00.0.2.40.50.0.1.70.80.0.4.62.65.40.80.60.61.10.80.0.0.0.8.02.81.90.90.0.0.0.1.81.20.0.4.00.910.53.72.30.711.41.40.0.0.0.3.30.2
10-25%0.0.0.0.0.0.2.80.60.0.0.50.50.0.10.43.53.80.71.00.70.50.50.0.3.63.50.0.2.61.10.0.0.60.62.31.30.0.1.90.66.43.11.80.68.21.20.0.0.0.2.50.2
26-50%0.0.0.0.0.0.1.10.40.0.0.40.40.0.1.31.31.90.50.50.50.0.0.70.72.42.40.0.1.40.80.0.0.0.0.70.70.0.1.50.55.42.61.20.52.10.60.0.0.0.1.10.1
51-75%0.0.0.0.0.0.0.60.30.0.0.0.0.0.4.22.40.70.30.0.0.0.0.70.73.83.71.21.20.90.60.0.0.0.0.70.70.0.0.0.1.31.30.0.0.0.3.33.30.0.0.40.1
76-100%0.0.0.0.0.0.0.30.20.0.0.0.0.0.1.31.30.10.10.60.60.0.2.51.46.24.40.0.1.00.70.0.0.0.0.0.0.0.0.0.0.0.0.20.20.20.20.0.0.0.0.30.1
total0.0.11.16.31.91.97.90.90.0.2.61.00.0.27.85.414.31.32.81.21.60.93.81.715.96.99.23.08.91.90.0.0.60.65.42.00.0.8.01.226.95.55.71.123.11.83.33.30.0.8.50.4
outside perimeter< 1%0.0.4.14.10.0.0.40.21.31.32.71.10.0.1.31.35.60.80.60.60.60.60.0.3.63.52.31.63.41.20.0.0.0.3.41.50.0.4.40.93.32.30.20.23.10.84.34.30.0.2.10.2
1-9%0.0.15.27.211.95.311.61.13.91.95.01.60.0.12.84.121.51.56.41.92.51.11.61.115.76.810.73.413.42.21.51.50.80.812.52.90.0.38.82.26.02.94.51.022.21.80.0.0.0.13.10.4
10-25%0.0.14.06.711.24.213.41.29.33.210.92.20.0.5.92.913.31.310.82.45.71.72.61.32.72.614.63.811.82.10.0.2.91.310.22.72.91.720.61.811.04.05.01.016.11.612.15.81.30.710.60.4
26-50%0.0.7.05.05.63.29.11.03.21.85.91.60.0.11.23.85.60.95.31.76.61.82.61.37.33.86.12.511.02.00.0.1.61.19.92.75.02.18.21.212.54.23.70.98.21.213.76.70.50.56.30.3
51-75%0.0.3.03.04.43.13.80.70.0.4.61.50.0.4.22.41.90.55.41.71.00.72.41.20.0.4.52.26.71.60.0.0.80.83.31.64.31.92.80.73.02.12.70.82.40.76.04.30.70.52.80.2
76-100%0.0.0.0.0.0.2.00.52.21.63.01.20.0.1.31.30.30.23.61.51.00.71.20.96.24.42.71.63.61.21.51.53.11.42.61.50.0.1.00.40.0.1.40.60.0.6.64.40.90.61.40.2
total0.0.43.39.933.17.040.31.719.74.232.13.20.0.36.75.848.21.832.13.617.32.710.42.535.48.640.75.349.83.23.12.19.12.441.84.412.23.175.71.935.96.017.41.852.12.242.79.13.41.236.20.6
total< 1%2.51.019.37.93.72.62.50.52.51.75.71.60.0.11.63.811.01.11.81.03.01.21.01.010.96.03.41.96.01.67.53.60.80.84.11.64.51.86.91.16.63.22.20.74.91.08.75.71.90.84.90.3
1-9%12.52.233.39.528.97.126.41.69.63.121.93.012.512.433.75.743.01.818.43.024.93.114.33.036.18.635.85.128.52.922.45.615.42.930.94.07.82.448.62.228.55.426.12.145.02.27.15.111.82.129.80.6
10-25%21.12.718.07.428.37.031.11.625.74.835.23.537.518.221.95.027.91.730.83.533.33.424.53.716.06.831.55.026.52.814.04.721.03.335.54.318.33.827.72.030.25.728.12.132.42.141.59.721.42.728.20.6
26-50%20.92.726.48.821.46.119.41.423.24.619.22.912.512.415.34.311.81.217.42.923.93.027.23.821.07.015.73.919.92.623.95.718.53.214.73.226.14.112.51.526.45.319.11.913.41.518.07.715.72.417.40.5
51-75%18.02.53.03.014.05.811.71.114.33.713.42.525.016.211.03.75.10.817.93.09.52.120.03.53.83.710.23.211.52.013.34.420.83.310.62.722.74.23.30.87.03.013.51.63.70.812.65.823.42.811.00.4
76-100%25.02.70.0.3.82.68.91.024.64.54.61.512.512.46.52.81.30.413.72.65.41.612.92.912.46.03.41.77.51.718.95.323.53.34.21.920.64.01.00.41.31.311.11.50.60.312.15.825.72.98.60.4
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, 10.07.2020 #862188/328519
NFI3
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectregeneration cover %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a< 1%5.81.50.0.1.91.92.20.51.21.20.40.40.0.5.42.60.60.34.21.50.50.52.81.40.0.3.01.81.70.80.0.6.72.12.01.23.11.60.50.31.21.23.60.80.20.20.0.2.41.01.90.2
1-9%18.52.519.57.815.86.013.71.24.22.114.52.40.0.11.83.714.31.212.12.517.52.79.22.522.57.310.03.111.82.012.14.414.82.918.73.315.23.55.00.97.53.018.01.88.61.29.75.721.92.713.10.4
10-25%20.42.69.55.225.26.913.51.225.24.617.72.810.510.57.42.913.61.217.62.926.43.129.13.922.57.525.74.610.71.925.85.920.73.315.53.123.14.07.51.113.33.823.51.911.11.321.37.516.02.415.90.5
26-50%20.22.611.86.410.15.011.21.113.73.618.12.863.216.13.72.17.10.911.92.518.82.726.03.73.33.36.12.49.51.823.05.619.63.29.42.514.93.45.20.914.03.915.81.76.91.126.08.419.52.611.90.4
51-75%14.42.32.82.810.15.05.90.815.23.89.72.226.314.55.22.53.30.67.72.013.22.313.12.73.33.32.51.44.51.38.43.615.42.94.31.720.83.72.10.63.41.910.61.42.80.70.0.15.92.47.10.3
76-100%20.82.63.93.91.91.96.40.820.44.04.71.50.0.5.92.61.80.512.32.44.81.55.91.90.0.4.52.23.71.227.66.013.22.63.61.611.13.20.80.43.62.16.61.10.60.30.0.21.02.66.20.3
total100.0.47.69.765.07.052.91.779.94.165.23.1100.0.39.35.640.71.765.73.681.12.886.22.851.78.551.85.242.03.096.92.190.52.453.54.288.13.021.11.643.15.578.21.930.11.957.18.496.71.256.00.6
inside perimeter< 1%0.0.3.93.90.0.0.20.20.0.0.0.0.0.5.32.60.80.30.0.0.60.60.0.0.0.1.11.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.50.30.0.0.0.0.30.1
1-9%0.0.6.84.91.91.93.10.60.0.0.80.60.0.3.62.04.60.70.60.60.50.50.0.3.13.12.71.62.41.00.0.0.0.2.21.30.0.3.30.712.43.71.40.58.91.20.0.0.0.3.00.2
10-25%0.0.0.0.0.0.2.30.50.0.0.40.40.0.5.32.64.10.70.50.50.50.50.0.0.0.3.71.92.71.00.0.0.60.61.41.00.0.2.50.66.32.81.90.66.81.00.0.0.0.2.50.2
26-50%0.0.0.0.0.0.1.40.40.0.1.30.70.0.8.22.92.70.61.10.80.0.1.30.92.12.10.0.0.90.60.0.0.0.0.60.60.0.1.40.53.41.91.30.53.60.83.13.10.0.1.60.2
51-75%0.0.0.0.0.0.0.30.20.0.0.0.0.0.2.71.90.90.30.50.50.0.1.81.20.0.1.11.11.70.80.0.0.0.1.41.00.0.0.50.31.11.10.40.30.90.40.0.0.0.0.60.1
76-100%0.0.0.0.0.0.0.40.20.0.0.0.0.0.1.21.20.10.10.0.0.0.0.70.78.75.00.0.0.50.50.0.0.0.0.0.0.0.0.20.20.0.0.20.20.20.20.0.0.0.0.20.1
total0.0.10.76.11.91.97.80.90.0.2.51.00.0.26.45.013.31.12.71.21.50.93.71.614.06.18.72.98.21.70.0.0.60.65.51.90.0.7.91.123.24.75.41.020.81.63.13.10.0.8.20.3
outside perimeter< 1%0.0.3.93.90.0.1.60.40.0.2.21.00.0.5.32.62.10.50.0.1.10.80.90.90.0.3.62.00.80.60.0.0.0.1.41.00.0.1.60.52.31.60.40.31.90.60.0.0.0.1.30.2
1-9%0.0.7.95.414.35.27.90.92.41.74.61.40.0.7.73.116.51.26.31.81.40.80.70.714.06.04.02.013.62.11.51.52.61.310.82.40.70.726.81.85.22.63.10.816.51.56.64.80.0.10.20.4
10-25%0.0.23.27.910.74.815.31.27.02.611.42.30.0.3.62.015.31.210.02.37.21.81.91.17.44.216.23.912.62.00.0.2.01.29.72.53.91.924.71.812.73.84.30.916.71.58.74.90.30.311.90.4
26-50%0.0.6.74.66.33.69.41.06.52.68.91.90.0.4.72.38.50.98.22.15.81.62.61.37.64.46.72.612.02.01.51.51.00.711.52.70.70.710.61.38.63.05.31.09.91.24.14.02.51.07.50.3
51-75%0.0.0.0.1.91.92.90.62.11.53.21.20.0.4.72.32.10.54.11.50.90.74.11.53.33.33.21.85.41.40.0.0.50.56.12.14.82.05.80.95.02.51.90.63.20.78.74.90.50.53.00.2
76-100%0.0.0.0.0.0.2.30.52.11.52.21.00.0.8.33.21.60.43.01.30.90.70.0.2.12.15.82.35.41.30.0.2.91.41.51.11.81.31.60.50.0.1.50.60.90.411.85.40.0.1.80.2
total0.0.41.79.633.17.039.41.720.14.132.33.10.0.34.45.446.11.731.53.517.42.710.12.434.48.039.55.149.83.13.12.18.92.340.94.211.93.071.01.833.75.416.41.749.02.139.98.63.31.235.80.6
total< 1%5.81.57.95.41.91.94.00.71.21.22.61.00.0.16.14.23.40.64.21.52.11.13.71.70.0.7.82.82.51.00.0.6.72.13.41.53.11.62.10.63.52.04.20.92.60.70.0.2.41.03.50.2
1-9%18.52.534.19.232.07.424.71.56.62.619.92.70.0.23.14.735.41.618.92.919.42.89.92.639.78.216.83.827.82.813.74.617.43.131.83.815.93.535.11.925.14.922.51.934.01.916.37.121.92.726.30.6
10-25%20.42.632.78.435.87.631.11.632.24.929.53.310.510.516.34.233.01.628.13.534.03.331.04.029.98.245.65.226.12.725.85.923.33.426.53.727.04.334.71.932.35.329.72.134.72.030.18.716.32.430.20.6
26-50%20.22.618.57.716.46.022.01.420.24.328.33.363.216.116.63.918.31.321.33.124.63.029.93.913.05.612.83.422.42.624.65.820.63.221.43.515.63.417.21.525.94.922.31.920.31.733.19.022.02.721.00.5
51-75%14.42.32.82.812.05.49.11.017.34.012.92.426.314.512.53.86.30.812.32.514.12.418.93.26.64.56.82.511.62.08.43.615.92.911.72.725.64.08.41.19.63.212.91.56.91.18.74.916.42.410.70.4
76-100%20.82.63.93.91.91.99.11.022.54.26.91.70.0.15.34.13.50.615.22.65.71.66.62.010.85.310.23.29.61.827.66.016.02.95.21.912.93.32.60.63.62.18.31.21.60.511.85.421.02.68.30.4
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, 10.07.2020 #862189/328520
NFI4
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectregeneration cover %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a< 1%2.51.06.84.91.81.81.70.41.21.22.81.110.510.54.62.33.50.61.20.82.41.01.01.09.55.31.01.02.00.97.43.50.80.80.60.65.01.92.10.60.0.2.20.71.30.511.76.11.80.82.30.2
1-9%12.32.118.47.618.26.113.21.25.42.414.92.515.711.415.64.016.81.211.62.521.12.915.53.017.56.419.14.013.82.120.55.414.22.717.93.29.22.69.01.19.43.221.01.815.61.58.85.111.42.014.60.5
10-25%21.12.73.93.716.55.915.51.215.43.824.23.131.615.96.92.812.21.120.13.127.13.121.03.510.65.316.93.613.32.015.34.818.33.120.23.414.93.46.31.014.74.021.31.89.21.226.48.319.82.615.20.5
26-50%20.52.618.67.615.25.59.91.021.04.212.72.410.510.54.72.35.60.811.22.417.22.622.93.512.95.68.52.88.01.623.55.617.03.05.72.020.33.74.30.813.93.614.91.64.40.83.93.916.62.410.40.4
51-75%19.02.50.0.9.24.87.40.913.53.59.42.121.114.07.92.83.40.612.22.59.22.017.13.22.32.24.02.03.81.113.14.419.43.26.52.117.83.80.90.43.31.910.61.42.20.63.02.922.42.77.70.3
76-100%24.62.70.0.5.43.06.40.823.84.21.50.910.510.53.21.91.00.39.22.24.31.48.82.40.0.1.61.22.81.017.15.020.93.12.21.221.13.90.50.32.21.68.61.20.50.34.93.324.82.86.40.3
total100.0.47.69.766.36.854.01.780.34.165.53.1100.0.43.05.442.41.665.53.681.32.786.42.852.88.451.25.043.83.097.02.190.62.353.14.288.23.023.21.643.55.378.41.833.21.858.78.196.81.156.70.6
inside perimeter< 1%0.0.7.95.41.81.80.60.30.0.0.0.0.0.4.92.42.00.50.0.0.0.0.0.0.0.0.0.1.10.60.0.0.0.0.0.0.0.0.60.32.61.80.20.20.90.40.0.0.0.0.80.1
1-9%0.0.2.82.80.0.2.40.50.0.1.60.80.0.4.92.44.80.70.60.61.00.70.0.0.0.7.12.51.60.80.0.0.0.1.51.10.0.3.60.78.22.92.10.610.01.20.0.0.0.3.20.2
10-25%0.0.0.0.0.0.2.70.50.0.0.50.50.0.10.03.23.30.61.00.70.50.50.0.3.03.00.0.2.30.90.0.0.60.63.31.50.0.1.80.55.02.41.60.66.71.00.0.0.0.2.40.2
26-50%0.0.0.0.0.0.1.10.30.0.0.40.40.0.1.11.11.60.40.50.50.0.0.60.62.12.11.71.21.20.70.0.0.0.0.60.60.0.1.30.44.22.11.00.51.90.60.0.0.0.1.10.1
51-75%0.0.0.0.0.0.0.60.30.0.0.0.0.0.3.52.00.80.30.0.0.0.0.60.63.23.21.11.10.70.50.0.0.0.0.60.60.0.0.0.2.31.60.0.0.0.3.02.90.0.0.40.1
76-100%0.0.0.0.0.0.0.20.20.0.0.0.0.0.1.11.10.10.10.60.60.0.2.41.45.33.80.0.0.90.60.0.0.0.0.0.0.0.0.10.10.0.0.40.30.20.20.0.0.0.0.30.1
total0.0.10.76.11.81.87.50.90.0.2.51.00.0.25.54.812.71.12.71.21.50.93.61.613.66.09.92.97.71.60.0.0.60.66.02.00.0.7.51.022.24.55.31.019.81.63.02.90.0.8.00.3
outside perimeter< 1%0.0.3.93.90.0.0.40.21.21.22.61.10.0.1.11.14.80.70.60.60.60.60.0.3.03.02.01.43.81.20.0.0.0.3.01.30.0.3.60.72.61.80.20.22.80.73.93.90.0.2.00.2
1-9%0.0.14.67.011.55.110.81.13.61.85.21.60.0.10.63.419.71.36.21.82.41.11.51.113.55.911.33.213.02.01.51.50.80.811.02.50.0.35.11.94.72.34.30.920.11.60.0.0.0.12.70.4
10-25%0.0.13.56.410.84.112.91.19.93.211.32.20.0.4.92.411.91.111.02.45.51.62.51.22.32.212.93.412.12.00.0.2.81.311.72.72.81.618.41.59.63.34.91.014.31.410.85.21.20.710.20.4
26-50%0.0.6.84.95.43.18.71.03.01.75.61.50.0.9.23.26.10.85.21.76.91.82.51.36.23.26.32.410.31.80.0.1.51.110.12.54.82.08.51.113.03.83.30.87.71.112.36.10.40.46.30.3
51-75%0.0.2.82.84.23.03.70.60.0.4.41.40.0.4.62.22.20.55.21.70.90.62.31.13.23.23.91.96.21.40.0.0.80.82.91.44.21.92.80.63.41.92.40.72.10.65.43.80.70.52.70.2
76-100%0.0.0.0.0.0.2.00.52.11.52.91.20.0.1.11.10.20.23.51.40.90.71.20.85.33.82.41.43.11.01.51.53.01.42.31.30.0.0.90.41.01.01.20.50.0.5.94.00.90.61.30.1
total0.0.41.79.631.96.838.51.619.74.132.03.10.0.31.55.144.91.631.83.517.22.710.02.433.67.938.94.948.53.03.02.18.82.340.94.111.83.069.31.834.35.316.31.747.12.038.38.33.21.135.20.6
total< 1%2.51.018.67.63.62.52.60.52.31.65.41.510.510.510.73.310.41.01.81.02.91.21.01.012.56.03.01.76.81.67.43.50.80.83.61.45.01.96.31.05.22.52.60.75.00.915.66.61.80.85.10.3
1-9%12.32.135.99.429.77.126.41.59.12.921.82.915.711.431.25.041.31.618.42.924.63.017.13.231.07.537.54.828.52.722.05.515.02.830.43.89.22.647.72.022.24.327.32.045.72.08.85.111.42.030.50.6
10-25%21.12.717.37.127.26.831.11.625.34.635.93.431.615.921.94.527.41.532.23.633.13.323.43.616.06.229.94.627.72.715.34.821.73.335.24.017.73.726.61.829.35.027.82.030.31.937.39.121.02.627.80.6
26-50%20.52.625.48.520.66.019.71.424.04.518.72.810.510.515.03.913.31.116.92.924.13.026.13.621.26.616.63.719.52.423.55.618.53.116.43.125.14.014.21.431.24.919.21.814.01.416.27.017.02.417.80.5
51-75%19.02.52.82.813.55.611.71.113.53.513.82.521.114.015.93.86.30.817.42.910.12.120.13.48.74.99.02.810.71.813.14.420.23.210.02.521.94.13.70.78.93.013.01.54.30.811.35.223.12.710.80.4
76-100%24.62.70.0.5.43.08.60.925.84.44.41.410.510.55.42.41.30.413.32.65.31.512.42.810.65.24.01.86.81.518.65.224.03.34.41.821.13.91.50.53.31.910.21.30.70.310.85.225.72.88.00.3
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, 10.07.2020 #862190/328521
NFI4
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectregeneration cover %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a< 1%2.51.06.84.91.91.91.60.41.21.22.81.110.510.53.92.23.40.61.20.82.41.11.01.09.75.41.01.02.10.97.53.60.80.80.60.65.01.91.80.50.0.1.80.60.70.38.15.41.90.82.10.2
1-9%12.32.118.47.617.06.113.01.25.52.514.62.515.711.415.94.216.01.211.72.521.32.915.13.017.96.519.54.212.62.020.85.514.42.818.33.28.22.48.21.19.83.420.91.915.11.59.25.311.72.114.30.5
10-25%21.12.73.93.717.16.114.81.215.73.823.93.131.615.95.02.511.71.119.93.127.43.121.33.510.95.417.13.813.02.114.04.717.83.120.63.415.13.56.31.014.14.021.01.88.61.227.58.519.92.615.00.5
26-50%20.52.618.67.615.85.79.71.021.44.312.82.410.510.55.12.55.40.811.32.416.82.623.33.513.25.89.13.07.31.623.95.717.23.15.21.920.53.83.70.813.53.714.91.63.60.84.14.015.52.310.30.4
51-75%19.02.50.0.9.65.07.20.913.73.69.52.221.114.05.82.53.20.612.32.58.82.016.53.20.0.4.32.14.01.213.34.419.73.26.72.118.03.80.80.33.41.910.81.41.60.53.13.122.92.77.70.3
76-100%24.62.70.0.3.82.66.40.822.44.21.50.910.510.53.52.01.10.49.32.24.41.49.02.40.0.0.70.73.01.117.45.120.63.12.21.321.33.90.30.22.31.68.71.30.50.35.13.424.92.86.50.3
total100.0.47.69.765.07.052.91.779.94.165.23.1100.0.39.35.640.71.765.73.681.12.886.22.851.78.551.85.242.03.096.92.190.52.453.54.288.13.021.11.643.15.578.21.930.11.957.18.496.71.256.00.6
inside perimeter< 1%0.0.7.95.41.91.90.60.30.0.0.0.0.0.5.42.62.20.50.0.0.0.0.0.0.0.0.0.1.10.70.0.0.0.0.0.0.0.0.60.32.71.90.20.21.00.40.0.0.0.0.80.1
1-9%0.0.2.82.80.0.2.40.50.0.1.60.80.0.5.42.65.10.70.60.61.10.80.0.0.0.7.62.71.70.80.0.0.0.1.61.10.0.3.80.88.53.02.10.710.41.30.0.0.0.3.30.2
10-25%0.0.0.0.0.0.2.80.60.0.0.50.50.0.9.43.23.40.61.00.70.50.50.0.3.13.10.0.2.41.00.0.0.60.62.81.40.0.1.90.55.22.61.60.67.21.10.0.0.0.2.40.2
26-50%0.0.0.0.0.0.1.10.40.0.0.40.40.0.1.21.21.60.40.50.50.0.0.70.72.12.10.0.1.30.70.0.0.0.0.60.60.0.1.40.54.42.11.10.52.10.60.0.0.0.1.00.1
51-75%0.0.0.0.0.0.0.60.30.0.0.0.0.0.3.82.20.80.30.0.0.0.0.70.73.33.31.11.10.80.60.0.0.0.0.60.60.0.0.0.2.41.60.0.0.0.3.13.10.0.0.40.1
76-100%0.0.0.0.0.0.0.20.20.0.0.0.0.0.1.21.20.10.10.60.60.0.2.41.45.43.90.0.0.90.60.0.0.0.0.0.0.0.0.20.20.0.0.40.30.20.20.0.0.0.0.30.1
total0.0.10.76.11.91.97.80.90.0.2.51.00.0.26.45.013.31.12.71.21.50.93.71.614.06.18.72.98.21.70.0.0.60.65.51.90.0.7.91.123.24.75.41.020.81.63.13.10.0.8.20.3
outside perimeter< 1%0.0.3.93.90.0.0.40.21.21.22.61.10.0.1.21.24.90.70.60.60.60.60.0.3.13.12.21.54.01.20.0.0.0.3.01.30.0.3.80.82.71.90.20.22.90.74.14.00.0.2.00.2
1-9%0.0.14.67.011.95.311.11.13.71.85.31.60.0.11.63.720.41.46.31.92.41.11.51.113.86.010.83.313.52.11.51.50.80.811.22.60.0.36.11.94.92.44.10.921.11.70.0.0.0.13.00.4
10-25%0.0.13.56.411.24.213.31.210.03.211.42.20.0.5.32.612.21.110.62.45.51.62.51.22.32.313.93.712.32.00.0.2.81.311.12.62.81.618.61.610.03.55.01.015.11.511.35.41.20.710.40.4
26-50%0.0.6.84.95.63.28.91.03.01.75.71.50.0.10.13.56.30.85.21.77.01.82.51.36.43.35.82.310.51.90.0.1.51.110.32.64.92.08.81.113.63.93.40.87.71.112.86.30.50.56.40.3
51-75%0.0.2.82.84.43.13.70.70.0.4.41.40.0.5.02.42.00.55.31.70.90.72.31.13.33.34.22.16.21.50.0.0.80.82.91.44.21.92.90.72.51.72.40.72.30.65.64.00.70.52.70.2
76-100%0.0.0.0.0.0.2.00.52.11.52.91.20.0.1.21.20.20.23.51.40.90.71.20.95.43.92.61.53.31.11.51.53.11.42.31.30.0.1.00.40.0.1.30.50.0.6.14.10.90.61.30.1
total0.0.41.79.633.17.039.41.720.14.132.33.10.0.34.45.446.11.731.53.517.42.710.12.434.48.039.55.149.83.13.12.18.92.340.94.211.93.071.01.833.75.416.41.749.02.139.98.63.31.235.80.6
total< 1%2.51.018.67.63.72.62.60.52.41.75.41.510.510.510.53.510.51.01.81.03.01.21.01.012.86.13.21.87.21.67.53.60.80.83.61.45.01.96.11.05.42.72.20.74.60.912.26.21.90.85.00.3
1-9%12.32.135.99.428.97.126.51.59.23.021.52.915.711.432.85.341.51.718.63.024.83.016.63.231.77.737.95.027.72.822.45.615.22.931.13.88.22.448.02.023.24.527.22.046.62.19.25.311.72.130.50.6
10-25%21.12.717.37.128.37.030.91.625.84.735.83.431.615.919.84.527.31.531.53.633.43.323.83.716.46.331.04.827.82.714.04.721.23.334.54.117.93.726.81.829.35.227.72.030.81.938.89.321.12.727.80.6
26-50%20.52.625.48.521.46.119.71.424.44.518.92.810.510.516.34.213.31.217.12.923.83.026.53.721.76.814.93.719.12.423.95.718.83.216.13.125.44.013.91.431.55.119.41.813.31.416.87.215.92.417.70.5
51-75%19.02.52.82.814.05.811.61.113.73.613.92.521.114.014.73.86.00.817.62.99.72.019.53.46.64.59.73.010.91.913.34.420.43.310.22.522.24.13.70.88.33.013.21.53.90.811.85.423.62.710.90.4
76-100%24.62.70.0.3.82.68.71.024.54.34.41.410.510.55.92.61.40.413.52.65.31.512.62.810.85.33.31.67.21.618.95.323.63.34.51.821.33.91.40.52.31.610.41.40.70.411.35.425.82.88.20.3
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, 10.07.2020 #862191/328522
NFI3
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectregeneration cover %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a< 1%5.81.50.0.1.91.92.10.51.21.20.40.40.0.5.32.60.60.34.11.51.90.92.81.40.0.3.01.81.70.80.0.6.62.12.01.23.71.70.50.31.21.24.00.90.20.20.0.2.41.01.90.2
1-9%18.42.519.57.815.86.013.41.24.22.114.82.50.0.11.63.714.51.212.62.517.12.610.32.622.57.310.03.111.82.012.14.414.72.819.23.315.93.55.10.97.32.917.81.79.41.29.45.521.92.713.20.4
10-25%20.72.69.55.225.26.914.11.225.24.617.62.810.510.58.73.213.81.217.52.926.33.128.53.822.57.525.74.610.81.925.85.920.53.215.23.022.73.97.31.015.64.123.61.911.01.320.77.316.02.416.00.5
26-50%20.12.611.86.410.15.011.11.113.73.618.02.863.216.13.62.07.20.911.82.518.52.725.43.73.33.36.12.49.31.823.05.619.43.110.02.614.63.35.40.913.63.815.81.66.81.025.28.119.52.611.90.4
51-75%14.42.22.82.810.15.05.70.815.23.89.62.226.314.55.12.53.20.67.62.012.92.312.82.73.33.32.51.44.41.38.43.615.72.94.21.720.43.72.10.63.31.910.41.42.80.70.0.15.92.47.00.3
76-100%20.72.63.93.91.91.96.30.820.44.04.71.40.0.5.82.51.90.512.22.44.71.55.81.90.0.4.52.23.61.127.66.013.02.63.61.610.93.10.80.43.52.06.81.10.50.30.0.21.02.66.10.3
total100.0.47.69.765.07.052.91.779.94.165.13.1100.0.40.25.641.21.665.93.681.42.785.72.951.78.551.85.241.63.096.92.190.02.454.24.288.33.021.21.644.65.478.41.830.71.955.48.296.71.256.10.6
inside perimeter< 1%0.0.3.93.90.0.0.20.20.0.0.0.0.0.5.32.60.80.30.0.0.60.60.0.0.0.1.11.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.50.30.0.0.0.0.30.1
1-9%0.0.6.84.91.91.93.00.60.0.0.80.60.0.3.62.04.70.70.60.60.50.50.0.3.13.12.71.62.30.90.0.0.0.2.21.30.0.3.20.712.03.61.40.58.81.20.0.0.0.3.00.2
10-25%0.0.0.0.0.0.2.40.50.0.0.40.40.0.5.32.64.10.70.50.50.50.50.0.0.0.3.71.92.71.00.0.0.60.61.31.00.0.2.50.66.22.71.90.66.71.00.0.0.0.2.50.2
26-50%0.0.0.0.0.0.1.40.40.0.1.30.70.0.8.12.92.70.51.10.80.0.1.30.92.12.10.0.0.90.60.0.0.0.0.60.60.0.1.60.53.31.91.20.53.60.83.03.00.0.1.60.2
51-75%0.0.0.0.0.0.0.30.20.0.0.0.0.0.2.61.90.90.30.50.50.0.1.71.20.0.1.11.11.60.80.0.0.0.1.31.00.0.0.50.31.01.00.40.30.90.40.0.0.0.0.60.1
76-100%0.0.0.0.0.0.0.40.20.0.0.0.0.0.1.21.10.10.10.0.0.0.0.60.68.75.00.0.0.40.40.0.0.0.0.0.0.0.0.20.20.0.0.20.20.20.20.0.0.0.0.20.1
total0.0.10.76.11.91.97.70.90.0.2.51.00.0.26.05.013.31.12.71.21.50.93.61.614.06.18.72.97.91.70.0.0.60.65.51.90.0.7.91.122.64.65.31.020.71.63.03.00.0.8.20.3
outside perimeter< 1%0.0.3.93.90.0.1.60.40.0.2.21.00.0.5.32.62.10.50.0.1.10.70.90.90.0.3.62.00.80.60.0.0.60.61.31.00.0.1.60.52.21.60.40.31.90.60.0.0.0.1.30.2
1-9%0.0.7.95.414.35.28.20.92.41.74.51.40.0.7.63.016.31.26.21.81.40.80.60.614.06.04.02.014.72.21.51.52.61.310.72.40.70.726.61.85.02.53.20.816.31.56.44.60.0.10.30.4
10-25%0.0.23.27.910.74.815.11.27.02.611.32.30.0.3.52.015.11.29.92.37.01.82.51.37.44.216.23.912.32.00.0.2.01.29.52.43.91.924.61.712.43.74.20.916.61.58.54.70.30.311.80.4
26-50%0.0.6.74.66.33.69.31.06.52.68.81.90.0.4.62.38.30.98.22.15.71.62.61.37.64.46.72.612.32.01.51.51.00.711.32.70.70.710.71.28.33.05.31.09.81.26.94.92.51.07.50.3
51-75%0.0.0.0.1.91.93.00.62.11.53.51.20.0.4.62.22.00.54.11.50.90.74.01.43.33.33.21.85.31.30.0.0.50.56.02.04.82.05.70.94.92.41.80.63.10.78.54.70.50.53.00.2
76-100%0.0.0.0.0.0.2.20.52.11.52.10.90.0.8.23.11.70.43.01.30.90.70.0.2.12.15.82.35.21.30.0.2.81.41.51.11.71.31.80.50.0.1.40.50.90.411.45.30.0.1.90.2
total0.0.41.79.633.17.039.41.720.14.132.43.10.0.33.95.445.61.731.43.517.12.610.62.534.48.039.55.150.53.03.12.19.52.440.44.111.73.070.91.832.85.316.31.648.62.141.78.43.31.235.70.6
total< 1%5.81.57.95.41.91.93.90.71.21.22.61.00.0.15.84.23.50.64.11.53.51.33.61.60.0.7.82.82.50.90.0.7.32.23.41.53.71.72.00.63.42.04.50.92.60.70.0.2.41.03.60.2
1-9%18.42.534.19.232.07.424.71.56.62.620.22.70.0.22.84.735.61.619.43.019.02.811.02.739.78.216.83.828.82.813.74.617.23.032.03.816.63.635.01.924.44.822.41.934.51.915.86.921.92.726.50.6
10-25%20.72.632.78.435.87.631.61.632.24.929.33.310.510.517.54.333.11.628.03.433.93.331.13.929.98.245.65.225.72.725.85.923.13.426.13.726.54.234.41.934.15.329.62.134.42.029.28.516.32.430.30.6
26-50%20.12.618.57.716.46.021.81.420.24.328.03.263.216.116.43.818.11.321.13.124.22.929.33.813.05.612.83.422.42.624.65.820.33.221.83.515.33.417.71.525.34.822.41.920.11.735.19.022.02.720.90.5
51-75%14.42.22.82.812.05.49.01.017.34.013.22.426.314.512.43.76.10.812.22.513.82.418.63.26.64.56.82.511.31.98.43.616.22.911.62.725.23.98.21.19.33.212.61.56.81.18.54.716.42.410.60.4
76-100%20.72.63.93.91.91.98.91.022.54.26.81.70.0.15.14.13.60.615.22.65.61.66.42.010.85.310.23.29.31.727.66.015.92.95.11.912.73.32.70.63.52.08.51.21.60.511.45.321.02.68.20.3
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, 10.07.2020 #862192/328523
NFI3
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectregeneration cover %± %± %± %± %± %± %±
n/a< 1%3.60.41.00.32.10.60.20.20.70.30.40.21.90.2
1-9%15.90.812.81.113.41.38.61.215.21.36.10.913.00.4
10-25%21.80.914.61.112.51.311.11.314.91.37.50.915.80.5
26-50%18.00.810.91.09.61.26.91.17.81.04.90.811.80.4
51-75%13.60.74.30.74.20.82.80.73.80.71.80.57.20.3
76-100%13.70.72.30.53.20.70.60.32.10.50.70.36.20.3
total86.60.746.01.645.02.030.11.944.51.821.31.555.80.6
inside perimeter< 1%0.10.10.20.10.80.30.50.30.80.30.10.10.30.1
1-9%0.30.13.30.64.00.88.91.24.80.83.40.63.00.2
10-25%0.20.13.20.62.80.66.81.04.00.73.10.62.50.2
26-50%0.20.12.10.52.20.63.60.82.90.61.60.41.60.2
51-75%0.10.10.60.21.40.50.90.40.80.30.70.30.60.1
76-100%0.10.10.70.30.30.20.20.20.10.10.10.10.20.1
total1.10.210.10.911.41.320.81.613.31.39.01.08.30.3
outside perimeter< 1%0.50.11.60.41.70.51.90.62.30.61.50.41.30.1
1-9%1.80.38.60.911.11.216.51.515.21.325.91.610.20.4
10-25%3.50.416.51.211.71.316.81.513.21.324.81.611.90.4
26-50%3.50.410.31.010.41.29.91.28.41.010.31.17.60.3
51-75%1.70.33.80.64.80.83.20.72.10.55.10.83.00.2
76-100%1.20.23.00.53.70.70.90.41.10.42.10.51.90.2
total12.20.743.91.643.51.949.02.142.21.869.71.635.90.6
total< 1%4.20.42.80.54.50.82.60.73.80.72.00.53.50.2
1-9%18.00.824.81.428.51.734.01.935.21.835.41.726.30.6
10-25%25.60.934.31.527.01.834.72.032.01.735.31.730.20.6
26-50%21.70.923.31.422.21.620.31.719.01.516.71.420.90.5
51-75%15.40.88.70.910.51.26.91.16.60.97.61.010.80.4
76-100%15.00.86.10.87.31.01.60.53.40.72.90.68.30.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862193/328524
NFI3
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectregeneration cover %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a< 1%5.21.40.0.1.71.72.00.51.11.10.40.40.0.4.72.30.50.24.31.51.70.82.51.20.0.2.71.61.80.70.0.7.72.12.51.23.61.60.40.21.11.14.00.80.50.30.0.2.61.01.90.2
1-9%18.22.416.56.715.25.513.01.13.81.915.12.40.0.14.23.714.31.112.02.418.02.59.82.421.46.510.93.012.41.911.83.914.92.717.73.015.23.35.20.88.62.918.01.69.71.28.75.121.22.513.10.4
10-25%21.52.513.25.624.86.413.41.125.14.416.92.519.112.78.63.013.91.118.72.926.42.928.03.618.86.426.04.39.81.722.85.320.33.015.52.920.83.67.41.013.83.622.91.811.51.224.96.916.12.315.80.4
26-50%20.52.59.55.212.04.811.31.013.73.517.02.557.215.83.91.97.50.811.42.318.62.525.33.52.82.86.52.48.91.623.65.518.92.99.42.315.43.25.20.814.23.716.11.66.31.023.37.520.02.511.80.4
51-75%14.62.22.22.210.94.85.60.715.03.69.52.023.813.25.42.43.30.67.62.013.22.214.32.72.82.82.31.34.61.27.33.213.92.54.31.620.63.52.00.53.01.710.51.33.30.70.0.16.12.37.10.3
76-100%20.02.53.23.21.71.76.20.821.34.04.21.30.0.6.32.51.70.413.32.44.91.45.31.70.0.4.12.04.21.130.15.814.42.53.31.411.83.00.70.33.11.86.61.00.80.40.0.21.12.56.20.3
total100.0.44.58.766.36.751.31.679.94.063.13.0100.0.43.05.341.31.567.33.482.92.485.22.745.97.952.44.941.82.895.62.590.12.352.64.087.52.920.81.543.85.178.01.732.11.857.07.797.01.155.90.5
inside perimeter< 1%0.0.3.23.20.0.0.20.10.0.0.0.0.0.4.72.30.70.30.0.0.40.40.0.0.0.1.01.00.0.0.0.0.0.0.0.0.0.0.0.1.01.00.20.20.50.30.0.0.0.0.30.1
1-9%0.0.8.54.91.71.73.00.50.0.0.80.50.0.3.01.75.10.70.50.50.40.40.60.64.93.32.41.42.00.80.0.0.0.1.91.10.0.3.30.713.13.51.50.58.71.10.0.0.0.3.10.2
10-25%0.0.0.0.0.0.2.70.50.0.0.40.40.0.4.72.34.20.60.40.40.40.40.0.4.43.13.41.72.71.00.0.0.50.51.20.80.0.2.80.65.42.41.90.66.40.90.0.0.0.2.50.2
26-50%0.0.0.0.2.62.71.30.40.0.1.60.80.0.8.82.82.50.51.00.70.0.1.20.81.91.90.0.0.80.50.0.0.0.0.50.50.0.1.40.43.01.71.10.54.40.82.92.90.0.1.60.2
51-75%0.0.0.0.0.0.0.30.20.0.0.0.0.0.2.41.71.00.30.40.40.0.1.41.00.0.1.01.01.40.70.0.0.0.1.20.80.0.0.60.32.21.50.50.30.80.30.0.0.0.0.60.1
76-100%0.0.0.0.0.0.0.60.30.0.0.0.0.0.0.90.90.10.10.0.0.0.0.60.67.64.30.0.0.40.40.0.0.0.0.0.0.0.0.10.10.0.0.20.20.10.10.0.0.0.0.30.1
total0.0.11.65.64.33.18.20.90.0.2.71.00.0.24.54.513.51.12.41.11.30.73.81.518.96.37.92.67.31.50.0.0.50.54.81.70.0.8.21.024.64.55.41.020.81.62.92.90.0.8.40.3
outside perimeter< 1%0.0.3.23.20.0.1.40.40.0.2.51.00.0.4.62.31.90.40.50.50.80.60.70.70.0.3.81.90.70.50.0.1.00.71.20.80.0.2.10.61.91.30.30.21.70.50.0.0.0.1.30.1
1-9%0.0.8.54.912.74.68.50.92.11.54.11.30.0.6.62.616.71.25.61.71.20.70.60.611.75.13.71.915.92.11.41.42.21.112.32.50.70.727.01.74.52.23.40.816.21.45.84.10.0.10.40.4
10-25%0.0.20.36.69.44.215.51.27.32.512.12.10.0.3.01.714.51.110.22.26.71.62.31.29.24.616.73.712.21.90.0.1.71.010.62.53.41.723.71.610.93.34.60.915.61.48.44.70.30.311.60.4
26-50%0.0.8.85.05.63.29.30.96.02.48.91.90.0.5.82.38.20.97.51.95.41.52.91.36.73.96.12.311.51.81.41.40.90.610.82.51.61.110.71.27.82.85.20.99.81.26.34.42.30.97.40.3
51-75%0.0.3.23.21.71.73.60.61.91.44.61.40.0.5.12.22.30.53.71.40.80.64.51.52.82.84.12.05.01.20.0.1.10.86.42.05.32.05.70.96.62.61.80.63.10.78.44.70.40.43.20.2
76-100%0.0.0.0.0.0.2.20.52.81.62.00.90.0.7.42.91.60.42.81.20.80.60.0.4.83.45.32.25.61.31.51.52.51.21.30.91.61.11.80.50.0.1.30.50.80.311.35.30.0.1.80.2
total0.0.43.98.629.36.340.51.620.14.034.13.00.0.32.65.045.21.630.33.315.82.411.02.435.27.639.74.850.92.84.42.59.42.242.63.912.52.971.01.731.64.916.61.647.11.940.17.93.01.135.70.5
total< 1%5.21.46.34.41.71.73.60.61.11.12.91.10.0.14.03.73.20.64.81.63.01.13.21.40.0.7.62.62.50.90.0.8.72.23.61.53.61.62.50.64.02.04.50.92.60.60.0.2.61.03.60.2
1-9%18.22.433.48.329.66.624.51.46.02.419.92.60.0.23.74.436.01.518.12.819.72.611.02.538.17.317.03.630.32.613.24.117.12.831.93.615.93.335.41.826.14.622.91.834.51.814.56.321.22.526.60.5
10-25%21.52.533.57.634.27.031.61.532.34.729.43.019.112.716.33.932.51.529.33.333.53.030.33.732.37.746.04.924.82.522.85.322.53.127.33.524.23.933.81.830.14.829.32.033.41.833.38.216.42.329.90.6
26-50%20.52.518.36.920.35.921.91.319.64.027.53.057.215.818.53.718.21.219.92.924.02.729.33.611.54.912.63.321.22.325.15.619.82.920.73.217.03.417.31.424.94.522.51.820.51.632.58.422.32.620.80.5
51-75%14.62.25.33.812.65.09.40.916.93.814.12.323.813.212.93.56.70.811.72.414.02.220.23.15.73.97.42.611.11.87.33.215.02.611.92.626.03.88.31.011.73.312.81.47.21.08.44.716.52.310.90.4
76-100%20.02.53.23.21.71.79.00.924.14.36.21.50.0.14.73.83.50.616.12.65.81.55.91.812.45.39.42.910.21.731.65.916.92.74.61.713.43.22.60.63.11.88.11.21.70.511.35.321.12.58.30.3
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, 10.07.2020 #862194/328525
NFI4
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectregeneration cover %± %± %± %± %± %± %±
n/a< 1%2.30.31.70.42.00.50.70.33.60.71.90.52.10.2
1-9%15.30.813.21.114.91.415.11.516.41.49.31.114.20.5
10-25%20.10.916.21.213.11.38.61.213.01.36.10.914.90.5
26-50%17.70.88.50.97.61.03.60.86.50.93.00.610.30.4
51-75%15.40.84.40.74.90.91.60.53.70.70.80.37.60.3
76-100%15.80.82.00.52.50.60.50.31.30.40.30.26.60.3
total86.60.746.01.645.02.030.11.944.51.821.31.555.80.6
inside perimeter< 1%0.10.10.50.21.80.51.00.42.20.60.90.30.80.1
1-9%0.30.13.70.62.90.710.41.34.70.84.40.73.30.2
10-25%0.20.13.30.63.40.77.21.13.60.72.00.52.40.2
26-50%0.20.11.30.41.40.52.10.61.60.51.50.41.10.1
51-75%0.10.10.70.31.40.50.0.1.00.40.0.0.40.1
76-100%0.20.10.60.30.50.30.20.20.10.10.10.10.30.1
total1.10.210.10.911.41.320.81.613.31.39.01.08.30.3
outside perimeter< 1%0.10.11.40.43.10.72.90.74.50.84.40.72.00.2
1-9%2.20.311.71.011.11.221.11.718.01.435.11.712.90.4
10-25%3.70.414.61.111.91.315.11.511.11.218.31.410.40.4
26-50%3.00.49.00.910.81.27.71.16.10.98.61.06.50.3
51-75%2.00.34.20.64.20.82.30.62.40.62.40.62.80.2
76-100%1.20.22.90.52.50.60.0.0.10.10.90.31.30.2
total12.20.743.91.643.51.949.02.142.21.869.71.635.90.6
total< 1%2.50.33.60.66.91.04.60.910.21.17.30.94.90.3
1-9%17.90.828.71.428.91.846.62.139.21.848.81.830.40.6
10-25%24.00.934.11.528.51.830.81.927.71.726.41.627.70.6
26-50%21.00.918.81.219.81.613.31.414.21.313.11.217.80.5
51-75%17.50.89.40.910.51.23.90.87.11.03.10.610.80.4
76-100%17.10.85.60.75.50.90.70.41.60.51.30.48.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862195/328526
NFI4
forest area
avalanches SilvaProtect · regeneration cover
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
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectregeneration cover %± %± %± %± %± %± %±
n/a< 1%2.20.31.60.41.70.50.60.33.40.71.90.52.00.2
1-9%14.70.812.51.115.11.511.41.417.01.57.01.013.40.5
10-25%20.30.915.81.213.11.48.11.212.51.34.50.814.90.5
26-50%17.80.87.50.96.51.03.10.85.10.92.30.610.10.4
51-75%15.50.84.10.74.30.81.30.52.70.70.60.37.70.4
76-100%15.90.82.10.52.40.60.40.31.00.40.0.7.00.3
total86.40.743.71.643.12.024.81.941.72.016.31.555.10.6
inside perimeter< 1%0.10.10.50.22.00.61.10.52.40.61.00.40.80.1
1-9%0.30.13.90.63.00.711.41.44.70.94.90.93.30.2
10-25%0.20.13.40.63.60.88.21.23.90.82.20.62.60.2
26-50%0.30.11.40.41.60.52.10.61.90.61.60.51.10.1
51-75%0.10.10.80.31.40.50.0.0.90.40.0.0.40.1
76-100%0.20.10.60.30.50.30.20.20.20.20.0.0.30.1
total1.10.210.61.012.21.423.11.814.01.49.71.28.50.4
outside perimeter< 1%0.10.11.50.43.00.73.10.85.10.95.10.92.10.2
1-9%2.30.312.51.111.81.322.21.819.11.637.51.913.00.4
10-25%3.70.415.01.211.81.316.11.612.31.320.21.610.60.4
26-50%3.10.49.41.010.81.38.21.25.40.98.01.16.40.3
51-75%2.10.34.30.74.50.92.40.72.30.62.30.62.80.2
76-100%1.20.23.00.62.70.70.0.0.20.21.00.41.40.2
total12.50.745.71.644.72.052.12.244.32.074.01.836.40.6
total< 1%2.30.33.60.66.71.04.91.010.91.38.01.14.90.3
1-9%17.40.828.91.529.91.945.02.240.82.049.42.029.80.6
10-25%24.20.934.21.628.61.932.42.128.71.826.91.828.10.6
26-50%21.20.918.31.318.91.613.41.512.41.311.91.317.60.5
51-75%17.60.89.21.010.21.33.70.85.90.92.90.711.00.4
76-100%17.30.85.70.85.71.00.60.31.30.51.00.48.70.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862196/328527
NFI3
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectregeneration cover %± %± %± %± %± %± %±
n/a< 1%3.70.41.20.31.90.50.50.30.60.30.30.21.90.2
1-9%16.00.812.41.013.61.29.71.215.11.36.30.813.10.4
10-25%21.70.814.51.012.91.211.51.214.91.27.60.915.80.4
26-50%18.20.810.20.99.51.16.31.08.31.04.90.711.70.4
51-75%13.40.74.10.64.20.73.30.73.90.71.70.47.10.3
76-100%13.60.72.30.43.20.60.80.42.10.50.60.36.10.3
total86.70.744.61.545.31.832.11.844.91.721.41.455.80.5
inside perimeter< 1%0.10.10.20.10.80.30.50.30.70.30.10.10.30.1
1-9%0.30.13.30.53.80.78.71.15.30.83.40.63.10.2
10-25%0.20.13.60.62.50.66.40.94.00.73.30.62.50.2
26-50%0.30.11.90.42.30.54.40.82.60.61.50.41.60.2
51-75%0.10.10.60.21.40.40.80.30.80.30.80.30.60.1
76-100%0.00.00.90.30.30.20.10.10.10.10.10.10.20.1
total1.10.210.50.911.11.120.81.613.61.29.21.08.40.3
outside perimeter< 1%0.50.11.60.41.50.41.70.52.10.51.90.51.30.1
1-9%1.80.39.20.911.81.216.21.415.51.326.01.510.40.4
10-25%3.60.416.81.111.21.115.61.412.11.124.11.511.60.4
26-50%3.40.410.10.910.31.19.81.28.31.010.11.07.40.3
51-75%1.80.34.40.65.20.83.10.72.30.55.10.73.20.2
76-100%1.20.22.80.53.70.70.80.31.20.42.10.51.80.2
total12.20.744.91.543.61.847.11.941.51.769.31.535.90.5
total< 1%4.40.42.90.54.20.72.60.63.50.62.40.53.60.2
1-9%18.10.824.91.329.21.634.51.835.91.735.71.626.60.5
10-25%25.50.934.91.426.61.633.41.831.01.635.01.629.90.6
26-50%21.80.822.21.222.11.520.51.619.21.416.51.320.80.5
51-75%15.40.79.10.910.81.17.21.07.00.97.60.910.90.4
76-100%14.90.76.00.77.20.91.70.53.40.62.80.68.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862197/328528
NFI3
forest area
avalanches SilvaProtect · regeneration cover
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
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectregeneration cover %± %± %± %± %± %± %±
n/a< 1%3.40.41.10.32.00.60.0.0.70.30.30.21.90.2
1-9%15.70.812.31.112.91.47.21.215.41.54.70.912.70.5
10-25%21.90.913.81.112.71.49.01.315.91.56.41.015.80.5
26-50%18.00.810.31.09.01.25.81.16.51.02.90.711.50.4
51-75%13.60.84.10.73.80.82.20.72.30.61.30.57.10.3
76-100%13.80.82.10.52.70.70.40.31.00.40.70.36.30.3
total86.40.743.71.643.12.024.81.941.72.016.31.555.10.6
inside perimeter< 1%0.10.10.20.10.80.40.60.30.80.30.20.20.30.1
1-9%0.30.13.50.64.10.810.21.34.90.93.80.83.10.2
10-25%0.30.13.30.63.10.77.21.14.70.93.30.72.60.2
26-50%0.30.12.20.52.20.64.10.92.80.71.70.51.60.2
51-75%0.10.10.60.31.60.50.80.40.80.30.60.30.60.1
76-100%0.10.10.80.30.40.30.20.20.0.0.0.0.20.1
total1.10.210.61.012.21.423.11.814.01.49.71.28.50.4
outside perimeter< 1%0.50.21.70.41.90.61.80.62.70.71.80.51.40.2
1-9%1.90.39.10.911.31.317.71.717.41.528.71.810.60.4
10-25%3.60.417.51.312.31.417.91.712.91.426.71.812.10.4
26-50%3.60.410.61.010.31.310.31.48.61.110.71.37.60.4
51-75%1.70.33.80.65.00.93.40.81.80.54.20.82.90.2
76-100%1.30.23.00.63.90.81.00.41.00.41.80.51.90.2
total12.50.745.71.644.72.052.12.244.32.074.01.836.40.6
total< 1%4.00.43.00.64.70.92.30.74.10.82.30.63.60.3
1-9%17.90.824.81.428.31.835.22.137.71.937.21.926.40.6
10-25%25.71.034.61.628.11.934.12.133.41.936.51.930.50.6
26-50%21.80.923.01.421.61.720.31.818.01.515.41.520.70.6
51-75%15.40.88.50.910.41.36.51.14.80.96.11.010.50.4
76-100%15.10.85.90.87.01.11.60.61.90.62.40.68.30.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862198/328529
NFI3
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectregeneration cover %± %± %± %± %± %± %±
n/a< 1%3.80.41.20.32.00.50.20.20.70.30.40.22.00.2
1-9%16.00.812.71.013.41.39.41.215.21.36.40.913.10.4
10-25%22.00.914.81.112.81.311.01.315.01.37.50.915.90.5
26-50%17.90.810.91.09.51.26.81.07.91.05.00.811.70.4
51-75%13.50.74.30.64.10.82.80.73.70.71.80.57.10.3
76-100%13.60.72.40.53.20.70.50.32.20.50.60.36.10.3
total86.60.746.21.645.11.930.71.944.71.821.81.555.90.6
inside perimeter< 1%0.10.10.20.10.70.30.50.30.80.30.10.10.30.1
1-9%0.30.13.30.63.90.78.81.24.80.83.40.63.00.2
10-25%0.20.13.20.52.70.66.71.04.00.73.00.62.50.2
26-50%0.20.12.10.42.10.63.60.82.80.61.70.51.60.2
51-75%0.10.10.60.21.40.50.90.40.80.30.60.30.60.1
76-100%0.00.00.70.30.30.20.20.20.10.10.10.10.20.1
total1.10.210.00.911.21.220.71.613.31.29.01.08.20.3
outside perimeter< 1%0.50.21.60.41.60.51.90.62.40.61.50.41.30.1
1-9%1.80.38.90.911.51.216.31.515.21.325.61.510.30.4
10-25%3.50.416.31.211.51.216.61.512.91.224.71.511.80.4
26-50%3.50.410.21.010.71.29.81.28.31.010.31.17.60.3
51-75%1.70.33.90.64.70.83.10.72.00.55.00.83.00.2
76-100%1.20.23.00.53.60.70.90.41.20.42.20.51.90.2
total12.30.743.81.643.71.948.62.142.01.869.21.635.90.6
total< 1%4.40.43.00.54.40.82.60.73.80.72.00.53.60.2
1-9%18.10.824.91.428.81.734.51.935.21.735.41.726.40.6
10-25%25.70.934.21.527.01.734.42.031.91.735.21.730.20.6
26-50%21.60.923.21.322.31.620.11.719.01.417.01.320.90.5
51-75%15.30.88.70.910.31.26.81.16.50.97.40.910.70.4
76-100%14.90.86.00.87.11.01.60.53.60.73.00.68.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862199/328530
NFI4
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectregeneration cover %± %± %± %± %± %± %±
n/a< 1%2.40.31.70.42.20.61.30.53.40.72.60.62.30.2
1-9%15.40.813.21.115.31.415.61.517.31.410.01.114.60.5
10-25%20.20.916.91.213.21.39.21.213.41.26.20.815.10.5
26-50%17.70.88.80.98.01.04.40.86.70.93.50.610.40.4
51-75%15.30.84.60.74.90.82.20.63.80.71.00.37.60.3
76-100%15.70.82.10.42.70.60.50.31.20.40.40.26.50.3
total86.70.747.31.546.31.933.21.845.81.823.71.556.50.6
inside perimeter< 1%0.00.00.50.21.70.50.90.42.10.50.90.30.80.1
1-9%0.30.13.60.62.70.610.01.24.40.74.20.73.20.2
10-25%0.20.13.10.53.60.76.71.03.50.71.90.52.40.2
26-50%0.20.11.30.41.50.51.90.61.70.51.40.41.10.1
51-75%0.00.00.70.31.30.40.0.1.00.40.0.0.40.1
76-100%0.20.10.60.20.50.30.20.20.10.10.10.10.30.1
total1.10.29.90.911.31.219.81.612.81.28.51.08.10.3
outside perimeter< 1%0.10.11.30.42.90.62.80.74.50.74.20.72.00.2
1-9%2.20.311.61.010.71.220.11.617.61.433.91.712.70.4
10-25%3.70.414.11.111.61.214.31.410.71.118.21.410.20.4
26-50%3.00.48.80.910.41.27.71.15.90.98.31.06.40.3
51-75%2.00.34.20.64.30.82.10.62.50.62.40.52.80.2
76-100%1.20.22.80.52.50.60.0.0.10.10.90.31.30.1
total12.20.742.81.542.41.947.12.041.41.867.81.635.40.6
total< 1%2.50.33.50.66.80.95.00.99.91.17.70.95.00.3
1-9%17.90.828.51.428.81.745.72.039.41.848.11.830.40.6
10-25%24.10.934.11.528.41.730.31.927.71.626.41.627.70.6
26-50%20.90.918.91.219.81.514.01.414.31.313.21.217.90.5
51-75%17.40.89.50.910.61.24.30.87.20.93.30.610.80.4
76-100%17.10.85.50.75.60.90.70.31.50.41.40.48.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862200/328531
NFI3
forest area
avalanches SilvaProtect · regeneration cover
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
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectregeneration cover %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/a< 1%4.20.74.91.53.21.21.30.63.40.80.90.61.10.51.40.61.10.62.71.53.21.60.0.0.70.30.30.21.90.2
1-9%14.11.313.82.415.32.416.62.018.11.712.32.412.41.512.21.811.82.114.63.412.62.87.21.215.41.54.70.912.60.5
10-25%23.41.620.52.823.12.821.42.220.11.710.12.217.21.715.52.010.31.914.83.44.41.89.01.315.91.56.41.015.80.5
26-50%16.01.315.52.422.22.819.72.119.11.710.82.312.31.511.81.85.61.56.52.44.61.85.81.16.51.02.90.711.50.4
51-75%11.41.210.92.116.62.514.51.916.01.64.11.55.11.04.81.22.41.03.81.81.71.22.20.72.30.61.30.57.10.3
76-100%9.21.125.42.99.01.912.81.818.11.60.50.52.10.73.11.03.21.12.81.62.01.10.40.31.00.40.70.36.30.3
total78.31.590.91.989.42.186.31.894.81.038.73.550.42.348.62.734.53.045.24.728.43.924.81.941.72.016.31.555.10.6
inside perimeter< 1%0.40.20.0.0.0.0.0.0.0.0.0.0.40.30.30.30.0.0.0.3.21.60.60.30.80.30.20.20.40.1
1-9%0.80.30.0.0.0.0.0.0.0.3.71.31.90.61.60.76.21.512.13.23.81.710.21.34.90.93.80.83.10.2
10-25%0.70.30.0.0.0.0.0.0.0.3.01.31.70.60.50.46.81.65.42.27.82.47.21.14.70.93.30.72.60.2
26-50%0.70.30.0.0.0.0.0.0.0.2.81.10.90.40.90.54.11.32.71.54.71.74.10.92.80.71.70.51.60.2
51-75%0.40.20.0.0.0.0.0.0.0.1.10.80.40.30.60.40.80.62.71.52.81.40.80.40.80.30.60.30.60.1
76-100%0.10.10.0.0.0.0.0.0.0.0.0.0.60.40.0.1.60.80.0.1.71.20.20.20.0.0.0.0.20.1
total3.20.70.0.0.0.0.0.0.0.10.62.25.91.14.01.019.52.522.94.124.03.723.11.814.01.49.71.28.50.4
outside perimeter< 1%1.10.40.0.0.50.50.30.30.0.2.21.01.30.51.40.61.80.81.81.33.01.51.80.62.70.71.80.51.40.2
1-9%3.60.71.80.90.90.61.10.60.30.213.02.46.91.212.81.89.81.95.42.211.22.717.71.717.41.528.71.810.50.4
10-25%5.50.82.21.03.71.34.31.11.00.413.22.518.11.812.81.820.02.512.33.210.82.617.91.712.91.426.71.812.10.4
26-50%4.20.73.31.24.31.35.81.20.90.414.42.511.21.510.81.77.31.76.62.411.92.810.31.48.61.110.71.37.60.4
51-75%2.40.60.40.40.40.41.40.62.00.64.61.53.10.85.71.34.11.34.92.13.41.53.40.81.80.54.20.82.90.2
76-100%1.80.51.30.80.90.60.80.50.90.43.31.33.00.83.91.12.91.10.90.97.22.31.00.41.00.41.80.51.90.2
total18.51.49.11.910.62.113.71.85.21.050.63.643.82.347.42.746.03.231.94.447.64.252.12.244.32.074.01.836.30.6
total< 1%5.70.94.91.53.71.31.60.73.40.83.11.22.80.83.00.92.91.04.52.09.52.62.30.74.10.82.30.63.60.3
1-9%18.51.415.62.516.22.417.82.018.41.729.03.221.21.926.62.427.82.832.24.527.63.835.22.137.71.937.21.926.30.6
10-25%29.61.722.72.826.83.025.72.321.11.726.33.237.12.228.82.537.23.032.54.623.03.734.12.133.41.936.51.930.50.6
26-50%20.91.518.82.626.52.925.52.320.01.728.03.324.42.023.42.317.02.415.83.621.23.520.31.818.01.515.41.520.70.6
51-75%14.21.311.32.117.02.515.82.018.11.79.82.28.61.311.11.77.41.711.33.17.92.36.51.14.80.96.11.010.50.4
76-100%11.11.226.73.09.92.013.61.819.01.73.81.35.81.17.01.47.61.73.71.810.92.81.60.61.90.62.40.68.40.4
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.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862201/328532
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