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NFI2
forest area
avalanches SilvaProtect · degree of mixture
unit of reference: protection forest region
unit: 1000 ha
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
avalanches SilvaProtectdegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a1.4381.4382.2300.6580.6580.0.6.318
pure conifer forest113.6455.6527.6818.71048.167.816271.62
mixed conifer forest102.1417.91011.1132.6284.4212.429140.53
mixed broadleaf forest72.257.6167.7163.1252.3291.53594.54
pure broadleaf forest78.857.1176.5173.8234.12213.912114.14
total368.2189.7455.2528.8759.5525.68626.91
inside perimetern/a0.0.0.4711.0450.6580.0.0.0.2.032
pure conifer forest0.210011.7137.31619.0915.0119.21462.45
mixed conifer forest2.0314.2223.7231.9311.0451.73314.512
mixed broadleaf forest2.0312.8261.2410.8500.4710.21007.516
pure broadleaf forest0.4711.2411.6351.2411.3381.5357.316
total4.72020.4914.81123.5817.81012.71293.84
outside perimetern/a0.0.1.0451.0440.8501.8330.8505.519
pure conifer forest6.51747.6620.0937.6647.9525.48185.13
mixed conifer forest18.51022.4915.4115.7183.7238.21573.85
mixed broadleaf forest14.0129.51410.7133.8232.8276.91747.86
pure broadleaf forest13.3128.6158.8145.7173.12557.0596.54
total52.4689.1455.9553.6559.3598.33408.72
totaln/a1.4382.9264.2212.1312.4290.85013.812
pure conifer forest120.43114.9354.9575.33111.1342.46519.01
mixed conifer forest122.6344.5630.1710.2139.11412.312228.83
mixed broadleaf forest88.3420.01019.797.7165.5198.715149.83
pure broadleaf forest92.5416.91116.91010.7138.51572.44217.93
total425.21199.21125.92105.92136.62136.621129.41
© WSL, Swiss National Forest Inventory, 19.06.2020 #853116/319447
NFI2
forest area
avalanches SilvaProtect · degree of mixture
unit of reference: protection forest region
unit: 1000 ha
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
avalanches SilvaProtectdegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a1.3381.5352.3280.6580.7500.0.6.317
pure conifer forest113.0357.0527.9719.1948.058.214273.12
mixed conifer forest101.1417.21012.3112.3284.1212.527139.53
mixed broadleaf forest71.057.6157.5153.0242.0291.53392.84
pure broadleaf forest80.247.2166.5164.0214.32013.811115.94
total366.6190.5456.5529.0759.1526.08627.61
inside perimetern/a0.0.0.4711.1410.5580.0.0.0.2.030
pure conifer forest0.210011.5127.41519.2914.3119.41361.95
mixed conifer forest2.0304.1213.7211.9301.0411.73114.411
mixed broadleaf forest1.8312.7261.1410.9450.4710.21007.016
pure broadleaf forest0.5581.3381.7311.2381.4351.4357.515
total4.52019.9914.91023.7817.11012.61192.74
outside perimetern/a0.0.0.9451.4350.9451.6330.7505.618
pure conifer forest5.91747.6519.5938.3648.9525.87186.13
mixed conifer forest18.21022.4815.8105.7173.6227.91473.55
mixed broadleaf forest13.9119.11411.0123.5222.8256.21746.56
pure broadleaf forest13.1119.2148.9145.4173.02456.8496.44
total51.1589.3356.5453.8459.9497.43408.12
totaln/a1.3382.8254.8192.0302.3270.75013.911
pure conifer forest119.13116.1354.7576.53111.2243.45521.11
mixed conifer forest121.3343.6631.869.8138.71412.111227.42
mixed broadleaf forest86.6419.5919.697.4155.2187.915146.23
pure broadleaf forest93.8417.71017.0910.7128.61471.94219.72
total422.11199.71128.02106.42136.12136.021128.41
© WSL, Swiss National Forest Inventory, 19.06.2020 #853117/319448
NFI1
forest area
avalanches SilvaProtect · degree of mixture
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a4.2210.0.2.1306.417
pure conifer forest40.161.0454.92045.96
mixed conifer forest33.471.8338.71443.96
mixed broadleaf forest21.091.4385.91828.37
pure broadleaf forest17.6100.4715.61823.68
total116.324.62027.28148.21
Eastern Juran/a2.7270.0.0.4703.125
pure conifer forest8.9140.0.0.5719.314
mixed conifer forest4.2220.0.0.6584.820
mixed broadleaf forest7.0160.0.1.0448.015
pure broadleaf forest19.180.0.1.63520.78
total41.830.0.4.12246.02
Western Plateaun/a2.2310.0.0.21002.430
pure conifer forest16.390.0.0.85017.19
mixed conifer forest7.7150.0.0.4718.115
mixed broadleaf forest5.0190.0.1.2406.317
pure broadleaf forest12.3110.0.2.62814.810
total43.530.0.5.21948.72
Central Plateaun/a2.3290.0.0.4712.726
pure conifer forest28.360.0.2.23030.46
mixed conifer forest12.9110.0.3.52316.310
mixed broadleaf forest7.6150.21000.9458.714
pure broadleaf forest9.5130.0.2.52712.012
total60.520.21009.41370.11
Eastern Plateaun/a3.3240.0.0.21003.523
pure conifer forest36.760.0.1.14137.86
mixed conifer forest25.880.0.1.63527.57
mixed broadleaf forest14.5110.0.1.24115.710
pure broadleaf forest22.080.0.1.43823.38
total102.320.0.5.519107.71
Western Pre-Alpsn/a1.9330.6581.5384.023
pure conifer forest9.3142.42913.11124.97
mixed conifer forest2.4281.3374.1217.714
mixed broadleaf forest1.6340.21000.7502.526
pure broadleaf forest0.6570.0.1.6372.231
total15.8104.52021.0841.33
Central Pre-Alpsn/a2.4290.0.2.1304.521
pure conifer forest31.973.12522.5857.54
mixed conifer forest8.6151.6359.71419.99
mixed broadleaf forest3.2260.4714.3227.916
pure broadleaf forest3.6240.5704.9209.015
total49.755.61843.6598.92
Eastern Pre-Alpsn/a3.3250.0.1.7355.020
pure conifer forest17.6100.94412.51231.06
mixed conifer forest7.4160.75010.61318.79
mixed broadleaf forest2.1300.6583.8226.616
pure broadleaf forest3.9220.4714.5208.914
total34.462.72633.1670.12
Northwestern Alpsn/a2.5290.6580.8504.023
pure conifer forest11.5127.41614.11133.06
mixed conifer forest2.6281.0443.4247.016
mixed broadleaf forest1.5351.1412.8265.418
pure broadleaf forest1.7340.4713.1245.318
total19.8910.61324.3754.73
Central Alpsn/a1.4370.21000.0.1.635
pure conifer forest5.6173.2233.92112.89
mixed conifer forest0.6581.3371.0433.024
mixed broadleaf forest1.7320.21001.0442.924
pure broadleaf forest1.2400.21001.3362.725
total10.5115.2177.21422.95
Northeastern Alpsn/a0.7500.6591.0452.429
pure conifer forest4.8202.7265.41812.911
mixed conifer forest1.0401.9332.1285.018
mixed broadleaf forest0.9500.5581.5352.926
pure broadleaf forest0.9440.6593.4224.918
total8.3146.41613.51028.25
Southwestern Alpsn/a2.6280.8502.4295.918
pure conifer forest18.21019.2938.1675.53
mixed conifer forest2.2300.9454.9208.115
mixed broadleaf forest0.4711.2412.7274.321
pure broadleaf forest3.7231.0455.2189.913
total27.1823.1853.45103.62
Southeastern Alpsn/a1.8330.6582.0324.421
pure conifer forest44.4615.01145.36104.73
mixed conifer forest4.6200.8503.8239.114
mixed broadleaf forest1.0450.21001.7332.926
pure broadleaf forest2.5280.8502.6275.918
total54.3517.41055.35127.02
Southern Alpsn/a1.6350.0.3.3244.920
pure conifer forest7.0169.41424.6841.06
mixed conifer forest1.2411.2417.3169.614
mixed broadleaf forest1.2410.21005.4196.717
pure broadleaf forest12.1121.33853.9567.34
total23.0912.11294.43129.52
Switzerlandn/a33.083.42418.31054.76
pure conifer forest280.5264.45189.03534.01
mixed conifer forest114.6412.61261.75188.93
mixed broadleaf forest68.756.21834.27109.14
pure broadleaf forest110.545.71994.14210.33
total607.4192.34397.321097.01
© WSL, Swiss National Forest Inventory, 19.06.2020 #853118/319449
NFI1
forest area
avalanches SilvaProtect · degree of mixture
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
state1983/85
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a3.7230.0.2.1305.818
pure conifer forest38.661.0454.72044.36
mixed conifer forest32.871.8338.71443.46
mixed broadleaf forest20.691.4385.71827.88
pure broadleaf forest17.6100.4715.61823.68
total113.324.62026.88144.81
Eastern Juran/a2.5280.0.0.4702.926
pure conifer forest8.9140.0.0.5719.314
mixed conifer forest4.2220.0.0.6584.820
mixed broadleaf forest7.0160.0.1.0448.015
pure broadleaf forest19.180.0.1.63520.78
total41.630.0.4.12245.72
Western Plateaun/a1.5370.0.0.21001.735
pure conifer forest16.190.0.0.85016.99
mixed conifer forest7.5160.0.0.4718.015
mixed broadleaf forest4.8190.0.1.0445.917
pure broadleaf forest12.1110.0.2.62814.610
total42.030.0.5.01947.02
Central Plateaun/a2.1300.0.0.4712.527
pure conifer forest28.360.0.2.23030.46
mixed conifer forest12.7110.0.3.52316.110
mixed broadleaf forest7.2160.0.0.9458.115
pure broadleaf forest9.3140.0.2.52711.812
total59.530.0.9.41369.01
Eastern Plateaun/a3.1250.0.0.21003.324
pure conifer forest36.560.0.1.14137.66
mixed conifer forest25.580.0.1.63527.17
mixed broadleaf forest13.9110.0.1.24115.111
pure broadleaf forest21.290.0.1.43822.68
total100.220.0.5.519105.61
Western Pre-Alpsn/a1.7350.4711.1463.226
pure conifer forest9.3142.42913.11124.97
mixed conifer forest2.4281.3373.9227.514
mixed broadleaf forest1.6340.21000.7502.526
pure broadleaf forest0.6570.0.1.6372.231
total15.6104.32120.4840.33
Central Pre-Alpsn/a2.2300.0.2.1304.321
pure conifer forest31.373.12521.4955.84
mixed conifer forest8.0151.6359.31418.910
mixed broadleaf forest3.0260.4714.1237.516
pure broadleaf forest3.4250.5704.7218.615
total47.955.61841.6595.12
Eastern Pre-Alpsn/a2.1330.0.1.7353.724
pure conifer forest17.6100.94412.51231.06
mixed conifer forest7.4160.75010.01318.19
mixed broadleaf forest2.1300.6583.5236.217
pure broadleaf forest3.7230.4714.5208.714
total32.962.72632.1667.73
Northwestern Alpsn/a2.1310.6580.8503.524
pure conifer forest10.7137.21613.71131.66
mixed conifer forest2.2300.8503.2246.217
mixed broadleaf forest1.2410.9442.8264.919
pure broadleaf forest1.5360.4713.0254.918
total17.61010.01323.5851.13
Central Alpsn/a1.0440.21000.0.1.240
pure conifer forest5.2183.2233.72112.29
mixed conifer forest0.6581.2401.0432.825
mixed broadleaf forest1.7320.0.0.6562.328
pure broadleaf forest0.9440.21001.3362.426
total9.5124.8186.71520.95
Northeastern Alpsn/a0.6580.6590.6591.833
pure conifer forest4.6202.7265.41812.711
mixed conifer forest1.0401.9332.0294.919
mixed broadleaf forest0.7580.5581.5352.726
pure broadleaf forest0.7490.6593.2234.519
total7.6156.41612.71026.65
Southwestern Alpsn/a1.6350.6582.2304.521
pure conifer forest17.01019.2937.3673.53
mixed conifer forest2.0320.9454.7207.716
mixed broadleaf forest0.4711.2412.3293.922
pure broadleaf forest3.5231.0455.0199.513
total24.5822.9851.6599.02
Southeastern Alpsn/a1.4380.4711.6353.424
pure conifer forest42.2614.81144.16101.13
mixed conifer forest4.2210.8503.8238.714
mixed broadleaf forest0.8500.21001.7332.727
pure broadleaf forest2.0300.8502.6275.419
total50.6517.01053.75121.32
Southern Alpsn/a1.0450.0.2.5283.523
pure conifer forest6.7179.41424.2840.36
mixed conifer forest1.0451.0457.1169.014
mixed broadleaf forest1.0450.21005.2196.317
pure broadleaf forest10.5131.33852.1564.04
total20.1911.91291.13123.12
Switzerlandn/a26.592.82716.01145.47
pure conifer forest272.8264.05184.73521.61
mixed conifer forest111.5412.01359.76183.23
mixed broadleaf forest66.055.61932.38103.94
pure broadleaf forest106.245.71991.64203.43
total583.0190.14384.321057.41
© WSL, Swiss National Forest Inventory, 19.06.2020 #853119/319450
NFI1
forest area
avalanches SilvaProtect · degree of mixture
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a3.8160.0.1.4275.214
pure conifer forest41.140.6414.01645.84
mixed conifer forest35.951.5278.81046.14
mixed broadleaf forest19.371.6265.41326.26
pure broadleaf forest21.360.4505.91327.75
total121.424.11625.56151.01
Eastern Juran/a2.1220.0.0.2712.321
pure conifer forest8.1100.0.0.3578.410
mixed conifer forest6.2120.0.0.4506.612
mixed broadleaf forest6.9110.0.0.7387.611
pure broadleaf forest18.960.0.2.22121.15
total42.120.0.3.91646.01
Western Plateaun/a2.0230.0.0.4502.421
pure conifer forest16.070.0.0.93316.96
mixed conifer forest7.5110.0.0.6418.111
mixed broadleaf forest6.0120.0.0.9336.911
pure broadleaf forest12.580.0.2.22114.77
total44.020.0.5.11449.02
Central Plateaun/a2.2210.0.0.4502.519
pure conifer forest28.940.0.2.12231.04
mixed conifer forest12.780.11003.01815.87
mixed broadleaf forest7.1110.11001.3268.510
pure broadleaf forest9.0100.0.3.01812.08
total59.820.2719.8969.91
Eastern Plateaun/a3.4170.0.0.11003.516
pure conifer forest37.840.0.0.73838.44
mixed conifer forest26.850.0.1.32828.15
mixed broadleaf forest13.580.0.1.13014.68
pure broadleaf forest20.760.0.1.82322.56
total102.210.0.5.014107.21
Western Pre-Alpsn/a1.9230.4501.1303.517
pure conifer forest8.9102.62014.3725.84
mixed conifer forest2.1211.0303.6166.811
mixed broadleaf forest1.4260.3582.0223.615
pure broadleaf forest0.9330.3581.3272.519
total15.274.61422.4542.22
Central Pre-Alpsn/a3.2180.0.2.0225.114
pure conifer forest33.953.31722.7659.93
mixed conifer forest8.0111.13010.5919.67
mixed broadleaf forest3.6170.3584.0167.911
pure broadleaf forest2.9190.6444.0167.511
total51.735.21443.14100.01
Eastern Pre-Alpsn/a3.1180.0.2.4205.513
pure conifer forest17.970.83512.9831.64
mixed conifer forest7.0110.93310.6918.46
mixed broadleaf forest2.3210.4504.3157.011
pure broadleaf forest2.9180.4504.0157.311
total33.142.42034.3469.82
Northwestern Alpsn/a1.7240.6411.0323.317
pure conifer forest11.987.51113.0832.44
mixed conifer forest2.1221.0313.8166.911
mixed broadleaf forest1.3271.2292.8195.313
pure broadleaf forest2.0220.6412.7195.313
total19.0611.0923.2553.22
Central Alpsn/a1.4280.2700.4502.022
pure conifer forest5.2133.8153.81612.87
mixed conifer forest0.8381.5261.4273.616
mixed broadleaf forest1.6240.2711.0332.718
pure broadleaf forest0.8350.2701.5252.519
total9.795.8128.1923.74
Northeastern Alpsn/a1.3280.7380.7382.819
pure conifer forest4.9142.4205.21312.58
mixed conifer forest0.8331.3282.1214.214
mixed broadleaf forest0.9330.6371.7233.316
pure broadleaf forest1.4260.9333.1175.312
total9.495.91212.8728.23
Southwestern Alpsn/a3.3171.1302.4206.812
pure conifer forest19.8720.9634.2575.02
mixed conifer forest2.0221.8233.8167.611
mixed broadleaf forest0.8350.8352.3213.816
pure broadleaf forest3.9160.7384.7149.210
total29.8525.3547.34102.42
Southeastern Alpsn/a2.2210.6412.2215.014
pure conifer forest46.7416.3745.44108.52
mixed conifer forest3.4170.8353.5177.711
mixed broadleaf forest1.0320.11001.6252.719
pure broadleaf forest2.4200.8352.6205.813
total55.8418.6755.33129.71
Southern Alpsn/a1.4270.2712.4204.016
pure conifer forest7.21210.5927.1544.74
mixed conifer forest1.0321.7246.1138.810
mixed broadleaf forest1.1300.4505.4136.912
pure broadleaf forest11.991.72453.4367.03
total22.6614.5894.32131.41
Switzerlandn/a33.153.81617.1854.14
pure conifer forest288.3268.64186.72543.71
mixed conifer forest116.3312.6959.54188.32
mixed broadleaf forest66.746.01334.55107.23
pure broadleaf forest111.436.61292.53210.42
total615.8197.63390.311103.60
© WSL, Swiss National Forest Inventory, 19.06.2020 #853120/319451
NFI2
forest area
avalanches SilvaProtect · degree of mixture
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
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.4700.0.0.0.0.470
pure conifer forest37.060.21003.52340.76
mixed conifer forest36.262.0319.31447.55
mixed broadleaf forest21.292.0317.31630.57
pure broadleaf forest18.5100.4716.71625.58
total113.324.62026.88144.81
Eastern Juran/a0.0.0.0.0.0.0.0.
pure conifer forest5.1190.0.0.31005.419
mixed conifer forest7.4160.0.0.6588.015
mixed broadleaf forest11.8110.0.1.43713.311
pure broadleaf forest17.390.0.1.83319.18
total41.630.0.4.12245.72
Western Plateaun/a0.0.0.0.0.0.0.0.
pure conifer forest14.0100.0.0.47114.410
mixed conifer forest8.4140.0.1.3419.713
mixed broadleaf forest9.7130.0.1.83311.612
pure broadleaf forest9.9130.0.1.53711.412
total42.030.0.5.01947.02
Central Plateaun/a0.6580.0.0.0.0.658
pure conifer forest23.970.0.1.83325.77
mixed conifer forest16.4100.0.3.72220.08
mixed broadleaf forest8.9140.0.1.73310.613
pure broadleaf forest9.7130.0.2.32912.012
total59.530.0.9.41369.01
Eastern Plateaun/a0.4700.0.0.0.0.470
pure conifer forest29.070.0.0.47129.47
mixed conifer forest31.770.0.2.82734.56
mixed broadleaf forest18.590.0.1.43819.99
pure broadleaf forest20.590.0.1.04521.59
total100.220.0.5.519105.61
Western Pre-Alpsn/a0.0.0.0.0.31000.3100
pure conifer forest9.9132.82713.21125.96
mixed conifer forest3.6230.7504.2218.514
mixed broadleaf forest1.0440.6570.8492.427
pure broadleaf forest1.1410.21001.9333.225
total15.6104.32120.4840.33
Central Pre-Alpsn/a0.8500.21000.4711.337
pure conifer forest30.572.92519.5952.94
mixed conifer forest10.2141.34112.61224.18
mixed broadleaf forest3.2251.0455.3209.514
pure broadleaf forest3.2260.21003.9237.317
total47.955.61841.6595.12
Eastern Pre-Alpsn/a1.6350.0.0.0.1.635
pure conifer forest15.0110.94411.61227.57
mixed conifer forest8.6150.75010.71319.99
mixed broadleaf forest4.5210.6585.61810.713
pure broadleaf forest3.2250.4714.2217.915
total32.962.72632.1667.73
Northwestern Alpsn/a0.6580.21000.4711.240
pure conifer forest10.5136.11713.01129.66
mixed conifer forest2.5291.9334.6209.014
mixed broadleaf forest2.0311.1403.0256.217
pure broadleaf forest2.0300.7582.4285.119
total17.61010.01323.5851.13
Central Alpsn/a0.6580.4710.21001.240
pure conifer forest5.4173.3232.72611.410
mixed conifer forest0.8490.9431.6353.322
mixed broadleaf forest1.5340.0.1.0412.526
pure broadleaf forest1.2410.21001.1392.526
total9.5124.8186.71520.95
Northeastern Alpsn/a0.0.0.6580.5571.140
pure conifer forest4.5202.6274.52011.611
mixed conifer forest1.7351.7332.0295.318
mixed broadleaf forest1.0450.4723.0254.420
pure broadleaf forest0.5571.1452.6264.221
total7.6156.41612.71026.65
Southwestern Alpsn/a0.6580.6580.6581.933
pure conifer forest15.91118.6936.8671.33
mixed conifer forest2.6281.9315.41910.013
mixed broadleaf forest2.4290.8503.4246.617
pure broadleaf forest3.0251.0455.3189.313
total24.5822.9851.6599.02
Southeastern Alpsn/a0.4710.0.1.8332.230
pure conifer forest41.7614.81142.9699.43
mixed conifer forest3.6230.8503.7238.015
mixed broadleaf forest1.9310.21002.8274.920
pure broadleaf forest3.0251.2412.5276.716
total50.6517.01053.75121.32
Southern Alpsn/a0.0.0.0.0.8500.850
pure conifer forest6.1188.81422.5837.46
mixed conifer forest2.0321.5357.61511.113
mixed broadleaf forest1.2410.0.6.3177.516
pure broadleaf forest11.0131.53553.8566.34
total20.1911.91291.13123.12
Switzerlandn/a6.1182.0325.12013.112
pure conifer forest248.3361.05173.13482.42
mixed conifer forest135.5313.51270.05219.03
mixed broadleaf forest88.946.71745.07140.73
pure broadleaf forest104.246.81791.14202.13
total583.0190.14384.321057.41
© WSL, Swiss National Forest Inventory, 19.06.2020 #853121/319452
NFI2
forest area
avalanches SilvaProtect · degree of mixture
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.4700.0.0.0.0.470
pure conifer forest39.960.21003.52243.65
mixed conifer forest35.562.0309.31346.85
mixed broadleaf forest22.681.8317.51532.07
pure broadleaf forest20.290.5586.41627.17
total118.624.42026.87149.81
Eastern Juran/a0.0.0.0.0.0.0.0.
pure conifer forest4.9190.0.0.31005.218
mixed conifer forest6.9150.0.0.7507.715
mixed broadleaf forest11.8110.0.1.33713.010
pure broadleaf forest18.680.0.1.83120.48
total42.330.0.4.12146.32
Western Plateaun/a0.0.0.0.0.0.0.0.
pure conifer forest14.1100.0.0.37114.59
mixed conifer forest8.2140.0.1.3389.512
mixed broadleaf forest9.3130.0.1.93011.211
pure broadleaf forest12.0110.0.1.83113.810
total43.730.0.5.41749.12
Central Plateaun/a0.5580.0.0.0.0.558
pure conifer forest24.370.0.1.63325.87
mixed conifer forest16.990.0.3.92020.78
mixed broadleaf forest9.4130.0.1.73111.012
pure broadleaf forest9.7120.0.2.22711.811
total60.720.0.9.21370.01
Eastern Plateaun/a0.4700.0.0.0.0.470
pure conifer forest28.970.0.0.37129.37
mixed conifer forest33.460.0.2.82536.26
mixed broadleaf forest18.090.0.1.43519.49
pure broadleaf forest21.080.0.0.84521.88
total101.710.0.5.318107.01
Western Pre-Alpsn/a0.0.0.0.0.21000.2100
pure conifer forest10.7122.72614.01027.46
mixed conifer forest3.9210.7504.5199.112
mixed broadleaf forest1.1400.5570.7502.326
pure broadleaf forest1.7310.5581.7333.921
total17.494.41921.2742.93
Central Pre-Alpsn/a0.9440.21000.4711.435
pure conifer forest34.162.82520.2957.04
mixed conifer forest10.5131.43513.01124.98
mixed broadleaf forest4.2210.9454.91910.013
pure broadleaf forest3.3230.21004.7208.314
total52.945.51843.25101.62
Eastern Pre-Alpsn/a1.4350.21000.4712.029
pure conifer forest15.7101.13811.41228.27
mixed conifer forest9.6130.84412.11122.58
mixed broadleaf forest4.7190.5586.21611.412
pure broadleaf forest3.2240.3714.7198.214
total34.663.02334.6572.32
Northwestern Alpsn/a0.5580.21000.4711.140
pure conifer forest12.1116.21613.61031.96
mixed conifer forest2.9252.1304.7199.713
mixed broadleaf forest2.4271.2373.5227.015
pure broadleaf forest2.0290.6582.8245.417
total20.0810.21224.9755.13
Central Alpsn/a0.7500.4710.21001.237
pure conifer forest6.0153.5212.82312.49
mixed conifer forest1.3341.3341.5334.218
mixed broadleaf forest1.9290.21001.6313.620
pure broadleaf forest2.1280.21001.4343.621
total12.1105.5167.51325.04
Northeastern Alpsn/a0.21000.5580.9441.633
pure conifer forest5.9162.6255.21813.710
mixed conifer forest1.7331.5332.1275.317
mixed broadleaf forest1.0410.4723.1234.519
pure broadleaf forest1.1371.3383.0235.417
total9.9126.31514.2930.44
Southwestern Alpsn/a0.6580.5580.9452.030
pure conifer forest19.1919.2938.3676.53
mixed conifer forest2.3281.9305.7179.813
mixed broadleaf forest3.0240.9453.5227.415
pure broadleaf forest4.0211.2385.41710.712
total29.0723.7853.84106.42
Southeastern Alpsn/a0.7500.0.1.6332.327
pure conifer forest48.0514.31148.95111.22
mixed conifer forest4.1211.0413.6228.714
mixed broadleaf forest2.0290.4712.8255.218
pure broadleaf forest4.3201.4353.0248.614
total59.1517.11059.94136.12
Southern Alpsn/a0.0.0.0.0.7500.750
pure conifer forest8.2149.41325.8743.45
mixed conifer forest2.5271.7317.91412.111
mixed broadleaf forest1.5330.21006.2177.915
pure broadleaf forest13.8111.43556.8471.94
total26.0812.61197.43136.02
Switzerlandn/a6.3171.9305.61813.911
pure conifer forest271.9261.95186.23520.01
mixed conifer forest139.8314.31173.15227.22
mixed broadleaf forest92.846.91646.36146.03
pure broadleaf forest117.047.61596.44221.02
total627.9192.74407.621128.11
© WSL, Swiss National Forest Inventory, 19.06.2020 #853122/319453
NFI2
forest area
avalanches SilvaProtect · degree of mixture
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
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.4700.0.0.0.0.470
pure conifer forest40.360.21003.72344.26
mixed conifer forest36.762.0319.91348.75
mixed broadleaf forest22.092.0317.31631.47
pure broadleaf forest19.190.4716.71626.28
total118.624.62027.67150.81
Eastern Juran/a0.0.0.0.0.0.0.0.
pure conifer forest5.1190.0.0.31005.419
mixed conifer forest7.4160.0.0.6588.015
mixed broadleaf forest11.8110.0.1.43713.311
pure broadleaf forest18.090.0.1.83319.88
total42.230.0.4.12246.42
Western Plateaun/a0.0.0.0.0.0.0.0.
pure conifer forest14.8100.0.0.47115.210
mixed conifer forest8.4140.0.1.3419.713
mixed broadleaf forest10.4130.0.2.03112.411
pure broadleaf forest11.1120.0.1.53712.611
total44.730.0.5.21949.92
Central Plateaun/a0.6580.0.0.0.0.658
pure conifer forest23.970.0.1.83325.77
mixed conifer forest16.7100.0.3.72220.48
mixed broadleaf forest9.3140.0.1.73311.012
pure broadleaf forest9.9130.0.2.32912.212
total60.520.0.9.41369.91
Eastern Plateaun/a0.4700.0.0.0.0.470
pure conifer forest29.270.0.0.47129.57
mixed conifer forest32.870.0.2.82735.56
mixed broadleaf forest18.790.0.1.43820.19
pure broadleaf forest21.790.0.1.04522.78
total102.810.0.5.519108.21
Western Pre-Alpsn/a0.0.0.0.0.31000.3100
pure conifer forest10.4132.82713.81127.06
mixed conifer forest4.1220.7504.4219.213
mixed broadleaf forest1.2400.6570.8492.626
pure broadleaf forest1.3380.4711.9333.623
total17.194.52021.2842.73
Central Pre-Alpsn/a0.8500.21000.4711.337
pure conifer forest32.872.92520.4956.24
mixed conifer forest10.8131.34113.11225.18
mixed broadleaf forest3.6241.0455.51910.114
pure broadleaf forest3.4250.21004.1237.716
total51.455.61843.45100.52
Eastern Pre-Alpsn/a1.6350.0.0.21001.933
pure conifer forest15.8100.94411.81228.57
mixed conifer forest8.8150.75011.61221.18
mixed broadleaf forest4.8200.6586.21711.512
pure broadleaf forest3.4240.4714.5218.315
total34.462.72634.3671.42
Northwestern Alpsn/a0.6580.21000.4711.240
pure conifer forest12.1126.11713.71131.86
mixed conifer forest3.3252.3304.82010.413
mixed broadleaf forest2.6271.1403.3247.016
pure broadleaf forest2.2290.7582.6275.518
total20.8910.31324.8755.93
Central Alpsn/a0.6580.4710.21001.240
pure conifer forest5.8163.5223.12412.410
mixed conifer forest1.0441.1391.6353.721
mixed broadleaf forest1.9310.21001.4353.522
pure broadleaf forest2.0310.21001.4363.522
total11.3115.4177.61424.34
Northeastern Alpsn/a0.0.0.6580.5571.140
pure conifer forest5.8182.8265.01913.610
mixed conifer forest1.7351.7332.1285.517
mixed broadleaf forest1.1410.4723.0254.620
pure broadleaf forest1.1411.1453.0245.218
total9.7136.61613.81030.04
Southwestern Alpsn/a0.6580.6580.8502.131
pure conifer forest18.71019.0937.6675.33
mixed conifer forest2.6281.9315.71810.213
mixed broadleaf forest3.1250.8503.8237.716
pure broadleaf forest3.8231.2415.71710.713
total28.8723.5853.65105.92
Southeastern Alpsn/a0.6580.0.1.8332.429
pure conifer forest48.1615.01147.95111.13
mixed conifer forest4.4211.0453.7239.114
mixed broadleaf forest2.3290.4712.8275.519
pure broadleaf forest4.1221.3383.1258.515
total59.5517.81059.35136.62
Southern Alpsn/a0.0.0.0.0.8500.850
pure conifer forest7.8169.21425.4842.46
mixed conifer forest2.4291.7338.21512.312
mixed broadleaf forest1.5350.21006.9178.715
pure broadleaf forest13.9121.53557.0572.44
total25.6812.71298.33136.62
Switzerlandn/a6.3182.0325.51913.812
pure conifer forest270.8262.45185.33518.41
mixed conifer forest141.0314.51273.45228.93
mixed broadleaf forest94.347.31647.66149.23
pure broadleaf forest115.047.51696.54218.93
total627.4193.64408.221129.21
© WSL, Swiss National Forest Inventory, 19.06.2020 #853123/319454
NFI1
forest area
avalanches SilvaProtect · degree of mixture
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
avalanches SilvaProtectdegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a6.1186.6175.8196.6171.04526.09
pure conifer forest47.6681.0458.3579.156.717272.62
mixed conifer forest37.5745.4618.11010.0141.045112.04
mixed broadleaf forest27.6826.186.7174.7201.04566.15
pure broadleaf forest35.7742.667.8168.81510.513105.44
total154.42201.6196.84109.3420.19582.21
inside perimetern/a0.0.0.0.0.4712.4290.0.2.827
pure conifer forest1.0450.0.6.51747.469.41464.35
mixed conifer forest1.9330.0.3.6235.5191.04511.913
mixed broadleaf forest1.4380.0.1.2412.9260.21005.819
pure broadleaf forest0.4710.0.0.8502.9261.3385.519
total4.7200.0.12.51261.1511.91290.34
outside perimetern/a2.6280.8504.8205.2192.52815.911
pure conifer forest5.2194.22246.46104.6424.28184.63
mixed conifer forest9.5145.61923.5914.7117.11660.46
mixed broadleaf forest6.9173.1258.4159.0155.21932.68
pure broadleaf forest7.3166.31710.81315.31152.1591.74
total31.4719.91094.04148.7391.13385.12
totaln/a8.6157.41611.01314.2123.52344.77
pure conifer forest53.8585.14111.23231.1240.36521.41
mixed conifer forest48.9651.0645.3630.289.014184.33
mixed broadleaf forest35.9729.2816.41116.6116.317104.44
pure broadleaf forest43.4648.9619.51027.0864.04202.73
total190.51221.51203.31319.11123.121057.51
© WSL, Swiss National Forest Inventory, 19.06.2020 #853124/319455
NFI1
forest area
avalanches SilvaProtect · degree of mixture
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
avalanches SilvaProtectdegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a6.8177.6167.4169.0151.63532.38
pure conifer forest49.0681.4458.9584.047.016280.32
mixed conifer forest38.1746.2618.81011.0131.241115.24
mixed broadleaf forest28.0827.386.9175.5191.24168.85
pure broadleaf forest35.7743.868.31610.01412.112109.84
total157.62206.21100.24119.5423.09606.61
inside perimetern/a0.0.0.0.0.6582.8270.0.3.424
pure conifer forest1.0450.0.6.51747.869.41464.75
mixed conifer forest1.9330.0.3.6235.9181.24112.512
mixed broadleaf forest1.4380.21001.2413.3240.21006.418
pure broadleaf forest0.4710.0.0.8502.9261.3385.519
total4.7200.210012.71262.7512.11292.44
outside perimetern/a2.6280.8505.2196.2183.32418.110
pure conifer forest5.4194.22247.66107.2424.68189.03
mixed conifer forest9.5145.61924.7915.3117.31662.35
mixed broadleaf forest7.0163.3249.0159.8145.41934.67
pure broadleaf forest7.3166.31711.01315.81153.9594.34
total31.8720.1997.63154.3394.43398.32
totaln/a9.4148.41513.21218.0104.92053.86
pure conifer forest55.4585.54113.03239.0241.06534.01
mixed conifer forest49.5651.8547.1632.279.614190.13
mixed broadleaf forest36.5730.8717.21018.6106.717109.84
pure broadleaf forest43.4650.0620.11028.8867.34209.63
total194.11226.51210.61336.51129.521097.31
© WSL, Swiss National Forest Inventory, 19.06.2020 #853125/319456
NFI1
forest area
avalanches SilvaProtect · degree of mixture
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
avalanches SilvaProtectdegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a5.8137.6118.2119.9101.42732.95
pure conifer forest49.2482.8360.6488.537.212288.22
mixed conifer forest42.2447.0417.379.0101.032116.53
mixed broadleaf forest26.1626.667.3125.6131.13066.84
pure broadleaf forest40.1442.146.71210.51011.99111.33
total163.51206.01100.13123.5222.66615.71
inside perimetern/a0.0.0.0.0.4503.2180.2713.816
pure conifer forest0.6410.0.6.51251.0410.5968.64
mixed conifer forest1.5270.11003.0186.3131.72412.59
mixed broadleaf forest1.6260.11001.0323.0180.4506.113
pure broadleaf forest0.4500.0.1.2293.2181.7246.512
total4.1160.27112.1966.7414.5897.63
outside perimetern/a1.6250.9335.5136.7122.42017.18
pure conifer forest4.4153.71649.74102.1327.15186.92
mixed conifer forest9.3104.91424.9614.586.11359.64
mixed broadleaf forest6.2133.31710.4109.3105.41334.55
pure broadleaf forest8.2117.0129.41014.7853.4392.63
total29.6519.8799.82147.3294.32390.81
totaln/a7.4118.51114.0819.974.01653.84
pure conifer forest54.2486.43116.82241.5144.74543.71
mixed conifer forest52.9452.0445.2429.868.810188.72
mixed broadleaf forest33.9530.1518.7717.976.912107.43
pure broadleaf forest48.7449.1417.3728.4667.03210.52
total197.11226.11212.01337.51131.411104.00
© WSL, Swiss National Forest Inventory, 19.06.2020 #853126/319457
NFI2
forest area
avalanches SilvaProtect · degree of mixture
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
avalanches SilvaProtectdegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a0.4701.0452.4292.2300.0.6.118
pure conifer forest42.4666.9555.6577.556.118248.53
mixed conifer forest43.8656.3522.4910.8132.032135.33
mixed broadleaf forest32.9737.378.8158.9151.24189.04
pure broadleaf forest34.8740.167.6169.91411.013103.34
total154.42201.6196.84109.3420.19582.21
inside perimetern/a0.0.0.0.0.21001.8330.0.2.032
pure conifer forest0.21000.0.6.61745.768.81461.35
mixed conifer forest2.1310.0.2.7277.2161.53513.512
mixed broadleaf forest2.0310.0.2.2302.5280.0.6.717
pure broadleaf forest0.4710.0.0.8503.9221.5356.717
total4.7200.0.12.51261.1511.91290.34
outside perimetern/a0.0.0.0.0.6583.6230.8505.120
pure conifer forest3.8232.62843.76100.3422.58172.93
mixed conifer forest10.1137.71627.9817.2107.61570.65
mixed broadleaf forest8.9154.92011.81313.2126.31745.17
pure broadleaf forest8.6154.72010.01414.31153.8591.44
total31.4719.91094.04148.7391.13385.12
totaln/a0.4701.0453.3257.7160.85013.212
pure conifer forest46.4669.54105.93223.5237.46482.72
mixed conifer forest56.0564.0553.0535.3711.113219.43
mixed broadleaf forest43.8642.2622.7924.697.516140.83
pure broadleaf forest43.9644.8618.41028.1866.34201.43
total190.51221.51203.31319.11123.121057.51
© WSL, Swiss National Forest Inventory, 19.06.2020 #853127/319458
NFI2
forest area
avalanches SilvaProtect · degree of mixture
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
avalanches SilvaProtectdegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a0.4701.0452.4292.4290.0.6.318
pure conifer forest45.7667.9559.4590.247.816271.12
mixed conifer forest44.4657.8523.6912.7122.429140.93
mixed broadleaf forest33.7738.579.61411.0131.53594.44
pure broadleaf forest36.1742.768.21613.31213.912114.14
total160.32207.91103.33129.6325.68626.71
inside perimetern/a0.0.0.0.0.21001.8330.0.2.032
pure conifer forest0.21000.0.6.61746.769.21462.75
mixed conifer forest2.1310.0.2.7278.0151.73314.512
mixed broadleaf forest2.0310.0.2.2302.9260.21007.316
pure broadleaf forest0.4710.0.1.0454.3211.5357.316
total4.7200.0.12.71263.7512.71293.84
outside perimetern/a0.0.0.0.0.8503.8230.8505.519
pure conifer forest4.0222.62845.56107.8425.48185.33
mixed conifer forest10.7137.71629.4817.8108.21573.95
mixed broadleaf forest8.9155.11912.61214.2126.91747.76
pure broadleaf forest8.6154.72010.41416.11157.0596.84
total32.2720.1998.83159.7398.33409.22
totaln/a0.4701.0453.5248.1160.85013.812
pure conifer forest49.9670.54111.53244.7242.46519.01
mixed conifer forest57.2565.5555.8538.5712.312229.33
mixed broadleaf forest44.6643.6624.4928.288.715149.43
pure broadleaf forest45.1647.4619.71033.7772.44218.23
total197.31228.01214.81353.11136.621129.71
© WSL, Swiss National Forest Inventory, 19.06.2020 #853128/319459
NFI2
forest area
avalanches SilvaProtect · degree of mixture
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
avalanches SilvaProtectdegree of mixture1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a0.4700.9452.4282.7260.0.6.317
pure conifer forest45.2667.5460.4590.948.214272.32
mixed conifer forest42.8658.4524.1812.1122.527140.03
mixed broadleaf forest34.3736.869.91310.3131.53392.94
pure broadleaf forest37.6642.568.31513.71113.811115.84
total160.32206.21105.13129.7326.08627.31
inside perimetern/a0.0.0.0.0.4711.6330.0.2.030
pure conifer forest0.21000.0.6.61646.169.41362.25
mixed conifer forest2.0300.0.2.9247.8151.73114.411
mixed broadleaf forest1.8310.0.1.9302.9240.21006.816
pure broadleaf forest0.5580.0.1.1414.5201.4357.515
total4.5200.0.12.81163.0512.61192.94
outside perimetern/a0.0.0.0.0.9453.9210.7505.618
pure conifer forest3.7222.32845.26109.1325.87186.23
mixed conifer forest10.3137.91529.9717.6107.91473.65
mixed broadleaf forest8.9145.01812.11214.3116.21746.56
pure broadleaf forest8.4144.81911.01315.71056.8496.74
total31.3720.0999.13160.7397.43408.52
totaln/a0.4700.9453.7228.2150.75013.811
pure conifer forest49.1569.84112.23246.2243.45520.71
mixed conifer forest55.1566.4457.0537.5612.111228.02
mixed broadleaf forest45.0541.8623.9827.687.915146.23
pure broadleaf forest46.6547.3520.3933.9771.94220.02
total196.21226.11217.11353.41136.021128.71
© WSL, Swiss National Forest Inventory, 19.06.2020 #853129/319460
NFI1
forest area
avalanches SilvaProtect · crown closure
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
state1983/85
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a4.71.40.0.1.91.93.00.65.52.53.61.40.0.4.12.41.10.41.81.03.01.22.21.30.0.5.52.51.60.87.23.53.61.64.01.82.51.50.80.43.12.22.90.81.60.64.34.32.71.12.50.2
crowded40.23.226.38.934.67.616.41.320.14.228.53.175.016.28.63.47.00.930.43.524.93.117.93.315.76.811.13.315.12.245.76.629.93.76.02.233.64.65.71.05.82.814.91.63.60.815.87.134.63.116.80.5
heterogeneous0.0.0.0.2.52.52.10.50.0.1.20.90.0.0.0.2.50.64.71.62.51.116.13.00.0.3.52.02.51.00.0.0.0.0.80.81.11.10.0.1.81.83.60.90.20.27.65.40.40.42.00.2
normal, loose49.63.211.16.316.56.018.11.436.95.123.63.025.016.25.62.810.21.119.73.138.73.522.03.50.0.7.12.710.82.038.76.443.34.019.83.642.14.93.80.910.73.927.32.14.30.920.88.055.23.320.30.5
open, scattered3.81.28.15.54.43.19.21.017.73.95.91.80.0.6.52.89.21.16.11.810.02.220.73.311.16.111.33.36.91.75.33.012.02.611.52.87.22.64.30.99.53.225.22.010.81.45.53.73.01.09.80.4
crowded, clustered normal1.70.90.0.5.13.73.00.60.0.2.51.10.0.10.73.87.61.02.51.22.01.07.02.221.97.911.63.34.21.30.0.1.61.110.72.71.41.01.70.66.43.13.00.84.30.90.0.0.80.64.00.3
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 perimetern/a0.0.0.0.0.0.0.40.20.0.0.40.40.0.2.92.10.30.20.0.0.0.0.0.0.0.0.0.0.50.50.0.0.0.0.80.80.0.0.0.0.0.0.20.20.60.30.0.0.0.0.30.1
crowded0.0.8.25.61.91.91.70.50.0.0.90.60.0.8.63.42.60.60.50.51.10.80.90.92.42.46.12.54.51.40.0.0.0.0.0.0.0.1.80.613.44.11.50.63.30.83.33.30.0.2.00.2
heterogeneous0.0.0.0.0.0.0.70.30.0.0.0.0.0.0.0.0.70.30.60.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.21.31.30.20.21.20.50.0.0.0.0.40.1
normal, loose0.0.3.03.00.0.1.80.50.0.1.30.70.0.6.62.84.30.71.10.80.50.52.91.53.83.71.91.43.21.20.0.0.0.2.41.40.0.1.60.67.43.32.60.87.61.20.0.0.0.2.60.2
open, scattered0.0.0.0.0.0.2.20.50.0.0.0.0.0.4.22.42.80.60.50.50.0.0.0.7.35.10.0.0.0.0.0.0.60.60.70.70.0.2.10.61.81.80.90.46.71.10.0.0.0.1.80.2
crowded, clustered normal0.0.0.0.0.0.1.00.30.0.0.0.0.0.5.52.73.80.70.0.0.0.0.0.2.42.41.11.10.70.50.0.0.0.1.51.10.0.2.30.73.02.10.20.23.80.90.0.0.0.1.50.2
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 perimetern/a0.0.4.14.10.0.2.00.51.91.32.11.10.0.1.61.61.50.53.11.30.50.51.30.90.0.2.31.62.00.90.0.0.80.81.61.11.11.11.90.60.0.0.70.42.30.72.82.80.30.31.50.2
crowded0.0.24.18.221.96.410.81.17.12.88.82.00.0.16.74.511.21.114.12.77.31.92.61.328.18.412.63.616.22.33.12.13.31.512.62.93.21.631.62.010.73.83.80.98.71.218.07.71.80.911.00.4
heterogeneous0.0.0.0.0.0.4.10.70.0.0.40.40.0.0.0.2.60.60.60.60.60.60.0.0.0.5.12.23.01.10.0.0.0.0.70.71.11.11.20.50.0.0.20.23.00.80.0.0.0.1.70.2
normal, loose0.0.11.16.211.24.212.91.28.83.011.62.30.0.11.23.810.41.111.32.47.41.83.11.34.83.36.62.619.32.50.0.5.01.818.13.56.12.318.21.715.04.36.31.111.81.415.96.30.80.610.40.4
open, scattered0.0.4.14.10.0.6.60.91.91.36.31.70.0.5.92.913.01.22.41.21.00.73.41.50.0.3.01.83.91.30.0.0.0.4.31.70.70.714.91.64.72.75.21.117.81.73.33.30.0.7.30.3
crowded, clustered normal0.0.0.0.0.0.3.90.70.0.2.81.10.0.1.31.39.41.10.60.60.60.60.0.2.42.411.13.45.51.50.0.0.0.4.61.80.0.7.91.25.52.91.20.58.61.22.82.80.50.54.40.3
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
totaln/a4.71.44.14.11.91.95.40.87.42.76.11.70.0.8.73.52.90.64.91.73.51.33.51.60.0.7.82.94.21.37.23.54.41.76.42.23.61.82.70.73.12.23.80.94.50.97.15.13.01.14.30.3
crowded40.23.258.69.958.47.729.01.627.24.638.23.375.016.233.95.620.71.545.13.733.33.421.43.446.29.229.94.535.83.048.86.733.23.818.63.436.74.739.12.129.95.320.21.915.51.637.19.336.33.129.70.6
heterogeneous0.0.0.0.2.52.57.00.90.0.1.61.00.0.0.0.5.70.95.91.83.11.216.13.00.0.8.52.95.51.50.0.0.0.1.51.12.21.51.30.53.12.24.10.94.30.97.65.40.40.44.10.3
normal, loose49.63.225.28.627.77.232.81.745.85.236.53.525.016.223.35.024.91.632.13.646.63.628.03.88.64.915.63.833.43.038.76.448.34.040.24.348.24.923.61.933.15.936.22.323.71.936.79.156.03.233.20.6
open, scattered3.81.212.26.64.43.118.11.319.64.012.22.40.0.16.64.425.01.69.02.211.02.224.13.618.47.414.33.610.82.05.33.012.62.616.43.27.92.721.31.815.94.331.42.235.32.18.84.93.01.018.90.5
crowded, clustered normal1.70.90.0.5.13.77.90.90.0.5.31.60.0.17.54.620.81.53.01.32.61.17.02.226.88.523.94.510.52.00.0.1.61.116.83.21.41.011.91.414.84.54.41.016.71.72.82.81.30.89.80.4
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 #853130/319461
NFI1
forest area
avalanches SilvaProtect · crown closure
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a5.01.40.0.1.91.93.10.66.42.64.51.50.0.4.02.31.40.42.31.23.41.32.11.30.0.6.42.63.71.27.23.53.61.66.82.22.41.41.30.53.02.13.50.92.50.74.24.23.01.13.00.2
crowded39.53.126.38.934.67.616.11.319.94.228.03.175.016.29.93.67.20.929.33.424.53.017.33.215.16.610.83.214.52.145.76.630.03.75.72.134.04.65.61.05.42.614.41.63.80.815.36.934.43.116.40.5
heterogeneous0.0.0.0.2.52.52.20.50.0.1.20.80.0.0.0.2.60.64.51.52.41.015.52.90.0.3.41.92.31.00.0.0.0.0.80.81.11.10.0.1.71.73.50.90.20.27.45.20.40.42.00.2
normal, loose49.63.211.16.316.56.017.71.336.65.123.13.025.016.25.42.710.31.119.63.038.13.421.33.40.0.6.92.610.21.938.76.443.44.019.43.441.84.84.20.911.83.927.22.14.40.920.17.854.93.220.00.5
open, scattered4.11.38.15.54.43.19.31.017.53.85.81.70.0.6.32.79.41.17.72.011.12.220.73.310.75.910.93.26.91.65.33.011.92.610.82.77.12.54.60.910.23.225.72.010.91.35.33.52.91.010.00.4
crowded, clustered normal1.70.80.0.5.13.73.30.60.0.2.51.10.0.10.43.77.61.02.41.21.90.98.52.321.17.611.33.24.41.30.0.1.51.110.02.51.41.02.20.66.02.92.90.84.50.90.0.1.20.74.10.3
total100.0.45.59.965.07.051.81.780.54.265.03.1100.0.36.05.838.61.865.83.681.42.785.52.946.99.049.65.342.03.196.92.190.42.453.54.387.93.117.81.638.15.877.21.926.21.952.38.796.71.155.60.6
inside perimetern/a0.0.0.0.0.0.0.50.20.0.0.40.40.0.2.82.00.40.20.0.0.0.0.0.0.0.0.0.0.50.50.0.0.0.0.70.70.0.0.0.0.0.0.20.20.80.40.0.0.0.0.30.1
crowded0.0.8.25.61.91.91.70.40.0.0.90.60.0.8.33.32.40.60.50.51.50.90.90.92.32.36.02.44.21.30.0.0.0.0.60.60.0.1.70.612.63.91.50.63.10.73.23.20.0.2.00.2
heterogeneous0.0.0.0.0.0.0.70.30.0.0.0.0.0.0.0.0.60.30.60.60.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.21.31.20.20.21.10.40.0.0.0.0.40.1
normal, loose0.0.3.03.00.0.1.80.50.0.1.30.70.0.6.42.74.30.71.10.80.50.52.81.43.63.61.91.43.01.10.0.0.0.2.31.30.0.1.50.57.03.12.70.87.31.10.0.0.0.2.50.2
open, scattered0.0.0.0.0.0.2.40.50.0.0.0.0.0.4.12.42.60.60.50.50.0.0.0.7.04.90.0.0.0.0.0.0.60.60.60.60.0.2.00.61.71.70.80.46.41.10.0.0.0.1.80.2
crowded, clustered normal0.0.0.0.0.0.0.90.30.0.0.0.0.0.5.42.63.70.70.0.0.0.0.0.2.32.31.11.10.70.50.0.0.0.2.11.20.0.2.20.62.82.00.20.23.60.80.0.0.0.1.50.2
total0.0.11.16.31.91.98.00.90.0.2.61.00.0.27.05.314.11.32.71.12.01.03.71.615.36.78.93.08.41.80.0.0.60.66.32.00.0.7.61.125.55.35.71.122.31.83.23.20.0.8.40.4
outside perimetern/a0.0.4.14.10.0.2.10.51.91.32.51.10.0.3.12.11.70.52.91.30.50.51.30.90.0.2.21.62.30.90.0.0.80.81.51.11.11.12.60.70.0.0.60.42.40.72.72.70.30.31.70.2
crowded0.0.24.18.221.96.410.81.17.02.89.12.00.0.16.24.410.71.113.62.67.01.82.51.327.18.113.53.615.52.23.12.13.31.511.82.73.11.630.62.010.23.63.80.98.51.217.47.51.70.910.80.4
heterogeneous0.0.0.0.0.0.4.00.70.0.0.40.40.0.0.0.2.40.61.10.80.60.60.0.0.0.5.62.33.31.10.0.0.0.0.60.61.11.11.10.40.0.0.20.22.80.70.0.0.0.1.70.2
normal, loose0.0.11.16.211.24.212.91.28.83.011.42.20.0.10.83.710.41.110.92.47.11.83.01.38.34.86.42.518.92.40.0.4.91.717.93.46.12.317.91.715.44.26.31.111.81.415.46.10.80.610.30.4
open, scattered0.0.4.14.10.0.6.60.91.91.36.21.70.0.5.72.812.91.22.31.21.00.74.01.60.0.2.91.74.51.30.0.0.0.4.01.60.70.714.51.55.72.85.11.017.81.73.23.20.0.7.30.3
crowded, clustered normal0.0.0.0.0.0.3.90.70.0.2.81.10.0.1.31.29.21.00.60.60.60.60.0.2.32.310.83.35.11.40.0.0.0.4.31.70.0.7.81.25.22.81.10.58.21.25.84.20.40.44.30.3
total0.0.43.39.933.17.040.31.719.54.232.43.20.0.37.15.847.31.831.53.516.72.610.82.537.78.741.55.249.63.13.12.19.02.340.24.312.13.174.61.936.45.917.21.751.52.244.58.93.31.136.10.6
totaln/a5.01.44.14.11.91.95.70.88.32.87.41.90.0.9.93.63.50.75.31.73.91.43.41.50.0.8.63.06.41.57.23.54.31.79.12.43.51.83.90.83.02.14.30.95.71.06.94.93.31.25.00.3
crowded39.53.158.69.958.47.728.61.526.94.638.03.375.016.234.45.620.41.443.53.733.03.320.73.444.69.030.34.434.32.948.86.733.33.818.13.337.14.737.92.128.25.019.71.815.41.535.99.036.13.129.20.6
heterogeneous0.0.0.0.2.52.56.80.90.0.1.60.90.0.0.0.5.70.86.31.82.91.215.52.90.0.9.02.95.61.50.0.0.0.1.41.02.21.51.30.53.02.13.90.94.10.97.45.20.40.44.00.3
normal, loose49.63.225.28.627.77.232.41.645.35.235.83.425.016.222.64.924.91.631.63.645.73.527.13.711.95.815.13.732.12.938.76.448.44.039.54.247.94.923.61.934.35.836.22.223.41.835.58.955.63.232.90.6
open, scattered4.11.312.26.64.43.118.31.319.44.012.02.30.0.16.14.324.91.510.52.312.02.324.83.517.77.213.93.511.42.05.33.012.52.615.53.17.82.621.11.717.64.331.62.135.12.18.54.82.91.019.10.5
crowded, clustered normal1.70.80.0.5.13.78.20.90.0.5.21.50.0.17.04.520.61.42.91.32.51.18.52.325.88.223.14.410.21.90.0.1.51.116.43.11.41.012.21.414.04.34.31.016.31.65.84.21.70.89.90.4
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 #853131/319462
NFI1
forest area
avalanches SilvaProtect · crown closure
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a3.90.90.0.4.22.42.80.44.01.44.01.03.73.76.92.11.50.32.30.84.71.02.91.05.52.74.91.62.70.76.12.21.60.76.61.53.31.21.20.35.21.93.20.63.20.63.52.53.90.93.00.2
crowded37.92.225.76.229.05.115.40.920.12.925.92.155.29.812.62.86.80.631.22.527.82.117.32.210.63.68.32.115.31.543.54.635.12.76.31.535.33.35.60.74.61.713.61.13.80.621.15.535.62.116.30.3
heterogeneous0.40.30.0.1.31.32.60.40.0.0.80.50.0.0.0.2.20.43.10.91.90.616.22.11.41.42.11.11.20.50.0.0.0.1.50.80.50.50.10.11.61.23.90.60.40.23.52.50.40.31.90.1
normal, loose50.72.210.94.420.24.619.21.041.13.521.72.033.69.36.22.09.70.819.72.235.72.323.92.55.42.78.52.110.41.435.34.340.72.816.62.342.33.43.70.68.72.427.91.55.80.717.55.153.72.220.20.4
open, scattered5.41.08.94.25.02.59.60.717.12.65.61.27.55.28.62.310.80.89.11.69.91.419.22.39.73.511.82.45.91.05.92.211.41.810.31.95.11.54.80.711.22.625.21.411.31.011.04.24.00.910.40.3
crowded, clustered normal1.60.60.0.2.71.93.00.40.50.51.80.70.0.7.42.17.40.73.21.03.00.87.01.510.93.612.72.43.70.94.21.90.70.56.71.50.80.62.20.46.32.23.70.64.60.71.51.50.60.33.90.2
total100.0.45.47.062.35.552.61.282.72.759.82.3100.0.41.74.138.41.268.72.582.91.886.52.043.55.748.43.739.22.295.02.089.41.748.03.187.42.317.71.237.74.177.41.429.11.458.16.598.20.655.70.4
inside perimetern/a0.0.0.0.0.0.0.40.20.0.0.50.30.0.3.31.50.50.20.0.0.0.0.0.0.0.0.0.0.40.30.0.0.0.0.40.40.0.0.10.10.90.90.10.11.10.30.0.0.0.0.30.1
crowded0.0.3.32.31.11.11.50.30.0.1.20.50.0.8.12.23.10.40.30.30.90.50.70.57.93.03.81.44.20.90.0.0.30.31.00.60.0.1.70.410.72.61.10.33.10.51.51.50.0.1.90.1
heterogeneous0.0.0.0.0.0.0.40.10.0.0.0.0.0.0.0.0.60.20.40.40.0.0.30.30.0.0.0.0.0.0.0.0.0.0.30.30.0.0.20.10.70.70.10.11.30.40.0.0.0.0.30.1
normal, loose0.0.5.02.91.51.52.70.40.0.1.90.60.0.6.11.94.30.50.60.40.20.22.10.92.92.02.61.21.80.60.0.0.0.1.60.80.0.2.30.57.22.31.90.56.30.80.0.0.0.2.50.1
open, scattered0.0.0.0.0.0.2.50.40.0.0.60.40.0.2.11.23.10.40.30.30.20.20.0.4.22.41.30.90.80.40.0.0.30.31.90.80.0.3.00.53.91.71.10.38.70.90.0.0.0.2.30.1
crowded, clustered normal0.0.0.0.0.0.0.90.20.0.0.20.20.0.4.01.63.20.40.0.0.0.0.0.2.61.81.60.90.80.40.0.0.0.1.10.60.0.2.40.53.71.70.10.14.30.60.0.0.0.1.40.1
total0.0.8.33.52.61.98.40.70.0.4.41.00.0.23.63.514.70.91.50.61.40.63.21.017.64.59.22.28.01.20.0.0.60.46.41.50.0.9.70.927.13.94.50.724.71.31.51.50.0.8.80.3
outside perimetern/a0.0.2.52.52.31.61.90.31.40.81.80.70.0.2.71.31.60.31.80.70.50.30.70.54.32.41.10.83.10.80.0.0.40.43.01.00.50.52.00.41.41.00.80.32.30.51.71.70.20.21.60.1
crowded0.0.21.15.524.04.911.10.84.71.511.61.60.0.18.43.211.00.812.81.87.21.22.71.015.84.214.92.719.51.74.21.94.11.114.42.25.51.631.31.411.52.74.40.77.90.817.25.01.00.511.30.3
heterogeneous0.0.0.0.0.0.3.90.50.0.1.20.50.0.0.0.2.80.40.60.40.20.21.50.80.0.5.31.72.80.70.0.0.0.0.30.30.50.51.10.30.80.80.30.22.60.51.91.90.0.1.70.1
normal, loose0.0.18.65.58.82.912.00.87.71.912.11.60.0.7.52.210.40.89.21.66.71.22.90.910.83.77.92.017.01.70.0.4.81.217.22.45.71.617.51.212.32.87.00.811.31.013.14.30.40.39.90.3
open, scattered0.0.4.23.00.0.6.50.63.51.36.71.20.0.4.21.712.70.85.31.20.90.42.40.90.0.5.01.65.81.10.80.80.60.45.41.40.40.412.91.04.41.84.10.715.11.11.51.50.0.7.00.2
crowded, clustered normal0.0.0.0.0.0.3.60.50.0.2.50.80.0.2.01.18.40.70.30.30.20.20.0.8.03.28.22.14.60.90.0.0.0.5.31.40.0.7.80.84.81.91.50.47.00.85.02.80.20.24.00.2
total0.0.46.37.135.15.438.91.217.32.735.92.30.0.34.74.046.91.329.82.515.71.810.31.739.05.742.53.752.82.25.02.010.01.745.63.112.62.372.61.335.34.018.11.346.21.640.46.51.80.635.40.4
totaln/a3.90.92.52.56.52.95.10.55.41.66.31.23.73.712.92.83.60.54.11.15.11.13.51.19.93.46.11.86.31.16.12.22.00.810.01.83.81.33.30.57.42.24.20.76.60.85.23.04.10.94.90.2
crowded37.92.250.06.954.15.628.01.124.73.138.72.355.29.839.13.920.91.044.32.635.92.320.82.434.35.327.03.139.02.147.74.639.52.821.72.540.83.438.61.426.83.719.11.314.81.139.86.436.62.229.50.4
heterogeneous0.40.30.0.1.31.36.90.60.0.2.00.70.0.0.0.5.60.64.11.12.10.718.12.31.41.47.52.04.00.90.0.0.0.2.20.91.00.71.40.43.21.64.30.74.30.65.43.10.40.34.00.2
normal, loose50.72.234.46.630.55.233.91.248.83.535.62.433.69.319.83.324.41.129.42.542.62.429.02.719.14.719.02.929.22.035.34.345.52.835.43.048.03.423.61.328.23.936.91.623.41.330.66.254.12.232.60.4
open, scattered5.41.013.04.95.02.518.60.920.62.812.91.77.55.214.92.926.51.114.61.911.01.521.72.413.94.018.02.812.51.56.82.312.31.817.62.35.51.620.71.219.53.330.31.535.01.512.54.54.00.919.60.4
crowded, clustered normal1.60.60.0.2.71.97.50.60.50.54.51.00.0.13.32.819.11.03.51.03.20.87.01.521.54.822.53.19.11.34.21.90.70.513.12.10.80.612.41.014.93.05.30.715.91.16.53.20.80.49.40.3
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, 11.07.2020 #853132/319463
NFI2
forest area
avalanches SilvaProtect · crown closure
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
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.40.40.0.5.13.70.60.30.0.0.0.0.0.0.0.0.30.20.0.1.50.91.01.00.0.2.21.51.70.80.0.0.0.3.91.71.21.20.0.0.0.0.20.20.60.40.0.0.0.0.60.1
crowded30.53.030.49.237.27.811.91.123.74.625.13.1100.0.9.63.43.80.716.02.823.93.07.62.38.44.89.63.110.01.927.66.021.93.413.83.132.94.44.71.05.82.820.61.94.30.912.06.623.42.813.90.5
normal43.93.23.03.014.55.817.51.338.35.218.72.90.0.2.92.15.60.830.63.624.03.022.53.67.35.15.12.312.82.152.76.631.33.77.02.329.94.54.00.96.03.024.42.02.60.727.98.845.43.217.30.5
loose17.62.54.14.13.23.29.11.09.63.19.42.10.0.8.93.59.01.19.62.314.92.525.13.610.96.05.22.47.01.716.54.923.13.48.52.511.73.11.40.51.51.511.31.54.40.97.15.119.82.69.80.4
open6.41.60.0.0.0.6.30.86.22.57.82.00.0.4.62.69.11.15.31.710.72.215.93.17.35.110.73.23.11.20.0.13.22.811.12.810.13.02.00.68.53.39.41.45.51.00.0.7.31.67.10.4
scattered0.80.60.0.0.0.2.10.51.01.02.41.20.0.5.42.65.60.82.41.21.00.74.11.83.83.79.22.83.61.20.0.0.80.83.91.71.21.21.50.52.82.05.71.14.40.90.0.0.30.33.10.2
grouped crowded0.0.8.15.50.0.1.80.50.0.0.90.60.0.1.31.32.10.50.0.0.60.61.01.03.83.71.91.40.90.70.0.0.0.0.70.70.0.0.40.35.02.81.90.70.60.40.0.0.0.1.10.1
grouped normal0.40.40.0.3.23.20.80.31.41.40.90.70.0.1.51.51.40.41.20.81.50.82.71.57.35.16.02.41.70.80.0.0.0.0.80.80.0.1.70.67.63.32.60.81.90.60.0.0.0.1.50.2
heterogeneous0.0.0.0.1.91.91.70.50.0.0.0.0.0.1.31.30.70.30.0.3.01.25.81.90.0.0.0.0.40.40.0.0.0.3.21.60.70.70.60.30.0.0.90.50.40.37.15.10.40.41.00.1
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 perimetern/a0.0.0.0.0.0.0.10.10.0.0.0.0.0.2.61.80.0.0.0.0.0.0.0.3.83.70.0.0.40.40.0.0.0.0.80.80.0.0.0.1.31.30.0.0.60.40.0.0.0.0.20.1
crowded0.0.4.14.11.91.92.10.50.0.0.90.60.0.7.33.21.70.50.60.61.10.80.0.2.42.46.92.64.11.30.0.0.0.0.0.0.0.0.80.47.53.20.70.43.70.80.0.0.0.1.70.2
normal0.0.3.03.00.0.1.10.30.0.0.0.0.0.6.93.02.70.61.00.70.50.52.51.43.83.70.0.2.10.90.0.0.60.62.41.40.0.1.20.511.74.03.00.84.50.93.33.30.0.1.90.2
loose0.0.0.0.0.0.2.00.50.0.0.50.50.0.2.92.12.90.60.60.60.0.0.70.76.04.31.11.11.00.70.0.0.0.1.51.10.0.1.40.51.51.51.10.54.91.00.0.0.0.1.60.2
open0.0.4.14.10.0.1.00.30.0.1.30.70.0.1.61.63.90.70.50.50.0.0.0.0.0.1.21.20.90.60.0.0.0.0.0.0.0.1.50.51.51.50.40.35.31.00.0.0.0.1.50.2
scattered0.0.0.0.0.0.0.60.30.0.0.0.0.0.2.61.81.40.40.0.0.0.0.70.70.0.0.0.0.0.0.0.0.0.0.70.70.0.0.80.41.51.50.0.1.40.50.0.0.0.0.60.1
grouped crowded0.0.0.0.0.0.0.50.30.0.0.0.0.0.1.31.30.80.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.30.0.0.0.1.20.50.0.0.0.0.40.1
grouped normal0.0.0.0.0.0.0.20.20.0.0.0.0.0.2.61.80.60.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.80.41.81.80.20.20.80.40.0.0.0.0.30.1
heterogeneous0.0.0.0.0.0.0.30.20.0.0.0.0.0.0.0.0.40.20.0.0.0.0.0.0.0.0.0.0.50.50.0.0.0.0.0.0.0.1.20.50.0.0.20.20.80.40.0.0.0.0.30.1
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 perimetern/a0.0.0.0.0.0.0.30.20.0.0.0.0.0.0.0.1.40.40.0.0.0.0.0.0.0.0.80.81.30.70.0.0.0.0.0.0.0.0.60.41.81.80.50.30.60.40.0.0.0.0.50.1
crowded0.0.25.28.620.66.011.31.19.53.08.82.00.0.15.84.46.10.911.82.54.11.42.11.312.25.812.43.615.12.20.0.2.91.411.02.82.01.230.62.110.83.84.81.010.81.46.64.40.90.610.00.4
normal0.0.4.03.912.55.110.41.15.72.510.02.20.0.12.84.18.81.013.12.67.11.93.61.419.46.63.32.016.02.33.12.13.61.512.93.06.22.416.21.710.93.96.81.210.81.416.47.12.41.09.20.4
loose0.0.3.03.00.0.7.20.92.31.75.41.50.0.2.61.810.01.13.61.44.11.41.91.10.0.5.72.56.11.50.0.2.11.26.62.22.51.58.91.36.43.12.90.88.21.210.46.00.0.5.70.3
open0.0.7.05.00.0.5.60.81.01.03.81.30.0.1.31.312.31.21.20.91.50.82.71.43.83.78.63.03.91.30.0.0.50.55.92.01.41.09.41.36.03.01.10.59.81.36.04.30.0.5.40.3
scattered0.0.0.0.0.0.1.10.40.0.1.60.90.0.4.22.45.70.91.20.80.50.50.0.0.0.1.11.13.01.10.0.0.0.3.21.60.0.2.90.70.0.1.20.54.60.90.0.0.0.2.20.2
grouped crowded0.0.4.14.10.0.1.70.50.0.0.40.40.0.0.0.1.20.40.0.0.0.0.0.0.0.3.01.82.31.00.0.0.0.0.0.0.0.2.30.70.0.0.20.22.80.70.0.0.0.1.10.1
grouped normal0.0.0.0.0.0.0.80.30.0.0.90.60.0.0.0.2.20.50.0.0.0.0.0.0.0.5.82.50.50.50.0.0.0.0.0.0.0.2.70.70.0.0.0.2.00.60.0.0.0.1.00.1
heterogeneous0.0.0.0.0.0.1.90.51.31.31.20.80.0.0.0.0.40.21.20.90.0.0.0.0.0.0.0.1.60.80.0.0.0.2.31.30.0.2.00.60.0.0.0.2.40.73.33.30.0.1.00.1
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
totaln/a0.40.40.0.5.13.71.00.40.0.0.0.0.0.2.61.81.70.50.0.1.50.91.01.03.83.72.91.73.41.20.0.0.0.4.71.91.21.20.60.43.12.20.70.41.90.60.0.0.0.1.30.2
crowded30.53.059.79.859.77.825.31.533.35.134.83.5100.0.32.65.411.71.228.43.429.13.29.82.523.07.228.94.529.22.927.66.024.83.524.73.834.94.536.12.124.15.026.12.018.81.718.57.624.32.825.50.6
normal43.93.29.95.427.07.128.91.644.05.328.73.30.0.22.75.117.11.444.73.831.63.328.63.930.58.48.43.031.02.955.86.535.43.822.33.736.14.621.41.928.65.734.22.217.91.747.69.847.93.328.40.6
loose17.62.57.05.03.23.218.41.412.03.515.32.60.0.14.44.221.91.513.82.619.02.827.63.716.87.012.13.514.12.316.54.925.33.516.63.314.33.411.71.59.43.615.21.717.51.717.57.519.82.617.20.5
open6.41.611.16.30.0.12.91.27.12.612.92.40.0.7.63.325.31.67.11.912.22.318.73.311.16.120.54.27.91.80.0.13.72.817.03.311.53.113.01.516.04.510.91.520.61.86.04.37.31.614.10.5
scattered0.80.60.0.0.0.3.90.71.01.04.01.50.0.12.23.812.61.23.61.41.50.94.71.93.83.710.33.06.61.60.0.0.80.87.82.31.21.25.21.04.42.56.81.210.41.40.0.0.30.35.80.3
grouped crowded0.0.12.26.60.0.4.00.70.0.1.30.80.0.2.61.84.10.70.0.0.60.61.01.03.83.75.02.23.21.20.0.0.0.0.70.70.0.3.10.85.02.82.10.74.70.90.0.0.0.2.60.2
grouped normal0.40.40.0.3.23.21.80.51.41.41.80.90.0.4.12.34.20.71.20.81.50.82.71.57.35.111.83.42.21.00.0.0.0.0.80.80.0.5.31.09.43.62.80.84.60.90.0.0.0.2.80.2
heterogeneous0.0.0.0.1.91.93.80.71.31.31.20.80.0.1.31.31.50.41.20.93.01.25.81.90.0.0.0.2.51.00.0.0.0.5.42.00.70.73.70.80.0.1.20.53.60.810.46.00.40.42.30.2
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 #853133/319464
NFI2
forest area
avalanches SilvaProtect · crown closure
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
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.40.40.0.5.13.70.60.30.0.0.0.0.0.0.0.0.40.20.0.1.40.81.01.00.0.2.11.51.50.70.0.0.0.3.61.61.21.20.0.0.0.0.20.20.60.30.0.0.0.0.60.1
crowded30.42.930.49.237.27.812.41.123.94.623.93.088.911.18.83.24.00.715.52.823.32.97.42.27.64.410.23.29.41.827.66.022.03.313.53.033.84.44.80.97.73.121.11.84.40.911.66.424.12.813.70.4
normal43.83.23.03.014.55.816.91.338.15.119.72.90.0.4.22.45.80.829.73.524.03.022.33.56.64.74.92.213.42.152.76.631.13.77.92.329.54.54.30.96.52.923.91.93.40.827.08.544.83.217.00.5
loose17.92.44.14.13.23.28.81.09.33.19.02.00.0.9.43.48.91.09.32.214.72.524.13.513.36.35.02.26.61.516.54.923.33.47.82.311.63.11.60.51.31.310.91.44.30.96.94.919.72.69.60.4
open6.21.50.0.0.0.6.10.86.02.48.01.90.0.5.52.78.51.05.21.710.72.215.43.06.64.710.23.13.61.20.0.13.42.810.32.610.02.92.70.77.42.99.61.35.51.00.0.7.11.67.00.3
scattered0.80.60.0.0.0.2.20.50.90.92.81.20.0.6.42.76.90.94.01.41.50.85.52.03.43.48.72.74.01.20.0.0.80.83.61.61.21.22.30.63.62.16.11.15.61.00.0.0.30.33.70.2
grouped crowded0.0.8.15.50.0.2.50.50.0.0.90.611.111.11.21.22.60.60.60.60.60.61.61.23.43.41.81.31.60.80.0.0.0.0.60.60.0.0.70.34.32.41.90.60.80.40.0.0.40.41.50.2
grouped normal0.40.40.0.3.23.21.10.41.31.30.90.60.0.1.41.41.60.41.10.82.31.02.61.512.56.08.82.81.90.80.0.0.0.0.80.80.0.1.90.69.63.43.00.82.10.60.0.0.0.1.80.2
heterogeneous0.0.0.0.1.91.91.80.40.0.0.0.0.0.1.21.20.70.30.0.2.91.25.61.80.0.0.0.0.30.30.0.0.0.3.71.60.70.70.50.30.0.0.80.40.40.36.94.90.40.41.00.1
total100.0.45.59.965.07.052.21.779.74.265.03.1100.0.38.05.739.31.765.53.681.42.785.62.953.48.651.55.242.33.096.92.190.62.451.94.388.03.118.81.640.55.677.61.927.21.952.38.796.71.155.70.6
inside perimetern/a0.0.0.0.0.0.0.10.10.0.0.0.0.0.2.41.70.0.0.0.0.0.0.0.3.43.40.0.0.40.40.0.0.0.0.70.70.0.0.0.1.21.10.0.0.60.30.0.0.0.0.20.1
crowded0.0.4.14.11.91.92.00.50.0.0.80.60.0.6.72.91.70.40.60.61.00.70.0.2.22.26.52.53.61.20.0.0.0.0.0.0.0.0.70.37.93.10.60.33.40.80.0.0.0.1.60.2
normal0.0.3.03.00.0.1.00.30.0.0.0.0.0.6.42.82.50.51.00.70.50.52.41.43.43.40.0.1.90.80.0.0.60.63.51.50.0.1.10.510.23.53.00.84.20.83.23.20.0.1.80.2
loose0.0.0.0.0.0.1.90.50.0.0.50.50.0.2.71.92.70.60.60.60.0.0.60.65.43.91.01.00.90.60.0.0.0.1.41.00.0.1.30.51.31.31.00.44.80.90.0.0.0.1.60.2
open0.0.4.14.10.0.1.10.40.0.1.20.70.0.1.51.53.50.60.50.50.0.0.0.0.0.1.11.10.80.60.0.0.0.0.0.0.0.1.60.51.31.30.40.35.41.00.0.0.0.1.50.2
scattered0.0.0.0.0.0.0.60.30.0.0.0.0.0.2.41.71.50.40.0.0.0.0.60.60.0.0.0.0.0.0.0.0.0.0.60.60.0.0.70.31.31.30.0.1.30.50.0.0.0.0.60.1
grouped crowded0.0.0.0.0.0.0.50.20.0.0.0.0.0.1.21.20.70.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.50.30.0.0.20.21.10.50.0.0.0.0.40.1
grouped normal0.0.0.0.0.0.0.20.20.0.0.0.0.0.3.62.10.50.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.90.41.61.60.20.20.70.40.0.0.0.0.30.1
heterogeneous0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.40.20.0.0.0.0.0.0.0.0.0.0.40.40.0.0.0.0.0.0.0.1.00.40.0.0.20.20.70.40.0.0.0.0.30.1
total0.0.11.16.31.91.97.70.90.0.2.51.00.0.26.95.113.31.22.71.21.50.93.71.614.46.38.72.98.01.70.0.0.60.66.22.00.0.7.81.124.85.05.71.122.21.83.23.20.0.8.30.4
outside perimetern/a0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.1.20.40.0.0.0.0.0.0.0.0.70.71.60.80.0.0.0.0.0.0.0.0.60.31.61.60.40.30.80.40.0.0.0.0.50.1
crowded0.0.25.28.620.66.011.11.19.23.08.41.90.0.14.64.15.70.812.02.44.01.42.11.211.15.311.73.414.32.10.0.2.81.410.92.72.01.228.61.910.53.54.60.910.31.39.65.00.90.69.70.4
normal0.0.4.03.912.55.110.41.15.52.49.92.10.0.11.83.88.51.012.82.56.81.83.51.417.66.04.42.215.52.13.12.13.51.414.33.16.22.415.91.69.53.46.51.110.31.315.96.92.41.09.10.4
loose0.0.3.03.00.0.7.30.93.52.05.21.40.0.2.41.79.41.03.51.43.91.41.81.10.0.5.42.47.01.60.0.2.11.26.12.02.51.58.21.26.72.92.70.77.81.110.05.90.0.5.60.3
open0.0.7.05.00.0.5.60.80.90.94.11.30.0.2.41.711.51.11.20.81.40.82.61.33.43.48.12.93.51.10.0.0.50.55.51.91.41.09.31.25.22.61.20.59.81.35.84.20.0.5.40.3
scattered0.0.0.0.0.0.1.10.40.0.1.50.90.0.3.92.26.60.91.20.80.50.50.0.0.0.1.01.02.71.00.0.0.0.3.01.50.0.3.50.80.0.1.10.54.50.90.0.0.0.2.40.2
grouped crowded0.0.4.14.10.0.1.70.40.0.1.40.80.0.0.0.1.70.50.0.0.0.0.0.0.0.2.91.72.91.10.0.0.0.0.0.0.0.2.60.70.0.0.20.22.80.70.0.0.0.1.30.1
grouped normal0.0.0.0.0.0.0.80.30.0.0.80.60.0.0.0.2.20.50.0.0.50.50.70.70.0.5.52.40.80.60.0.0.0.0.0.0.0.2.70.71.21.10.0.2.00.60.0.0.0.1.10.1
heterogeneous0.0.0.0.0.0.1.90.51.21.21.10.80.0.0.0.0.40.21.20.80.0.0.0.0.0.0.0.1.40.70.0.0.0.2.11.20.0.2.00.60.0.0.0.2.20.63.23.20.0.1.00.1
total0.0.43.39.933.17.040.11.720.34.232.53.10.0.35.15.547.41.731.83.517.12.610.82.532.17.939.85.149.73.03.12.18.92.341.94.312.03.173.41.934.75.616.71.750.62.244.58.93.31.136.00.6
totaln/a0.40.40.0.5.13.71.00.30.0.0.0.0.0.2.41.71.60.40.0.1.40.81.01.03.43.42.81.63.41.10.0.0.0.4.31.71.21.20.60.32.71.90.60.41.90.60.0.0.0.1.20.1
crowded30.42.959.79.859.77.825.41.533.25.033.23.388.911.130.15.111.41.128.13.428.33.09.42.520.96.528.44.427.32.727.66.024.83.524.43.735.84.434.12.026.24.926.31.918.11.621.17.725.02.825.00.6
normal43.83.29.95.427.07.128.31.543.65.229.63.30.0.22.54.816.81.343.53.831.33.228.23.827.77.89.23.030.82.855.86.535.23.825.63.835.64.621.41.826.25.233.32.117.91.646.09.647.23.228.00.6
loose17.92.47.05.03.23.218.01.312.83.614.62.40.0.14.54.121.01.413.42.618.62.726.63.618.77.111.43.314.52.216.54.925.33.515.43.114.13.311.11.49.43.414.61.616.91.616.97.219.72.616.70.5
open6.21.511.16.30.0.12.71.16.92.513.32.40.0.9.43.423.41.56.91.912.12.318.03.210.05.619.44.07.81.70.0.13.92.815.83.111.43.113.51.413.94.011.21.420.61.85.84.27.11.613.90.5
scattered0.80.60.0.0.0.3.80.70.90.94.31.50.0.12.63.715.01.25.21.61.91.06.22.13.43.49.72.86.71.50.0.0.80.87.22.21.21.26.41.05.02.47.21.211.51.40.0.0.30.36.60.3
grouped crowded0.0.12.26.60.0.4.70.70.0.2.21.011.111.12.41.65.00.80.60.60.60.61.61.23.43.44.72.14.41.30.0.0.0.0.60.60.0.3.80.84.32.42.40.74.70.90.0.0.40.43.10.2
grouped normal0.40.40.0.3.23.22.10.51.31.31.70.80.0.5.02.54.30.71.10.82.81.13.31.612.56.014.33.52.71.00.0.0.0.0.80.80.0.5.51.012.33.73.30.84.90.90.0.0.0.3.30.2
heterogeneous0.0.0.0.1.91.93.90.71.21.21.10.80.0.1.21.21.40.41.20.82.91.25.61.80.0.0.0.2.20.90.0.0.0.5.82.00.70.73.50.80.0.1.10.53.30.810.05.90.40.42.20.2
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 #853134/319465
NFI2
forest area
avalanches SilvaProtect · crown closure
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/an/a0.40.40.0.4.53.30.50.20.0.0.0.0.0.0.90.90.40.20.0.1.40.80.90.92.92.91.91.31.40.70.0.0.0.3.11.41.21.20.0.1.21.20.20.20.50.30.0.0.0.0.60.1
crowded32.02.928.68.237.27.312.91.126.24.524.72.881.812.17.32.74.10.614.62.623.12.78.62.26.43.711.73.19.91.727.85.722.63.213.32.833.24.34.80.97.72.821.01.74.90.912.86.125.62.614.00.4
normal43.63.02.72.712.85.217.21.237.64.918.22.69.19.04.82.46.10.828.03.326.12.922.93.310.25.04.32.013.52.051.86.230.43.48.22.231.54.44.00.86.62.623.71.83.50.722.87.542.93.016.90.4
loose17.12.33.23.22.92.98.70.98.42.88.91.90.0.8.23.09.00.910.12.214.22.324.03.311.35.44.31.96.81.416.14.521.93.18.12.210.82.91.60.51.11.111.41.44.30.811.45.519.82.49.50.4
open5.81.40.0.0.0.5.90.85.52.28.51.90.0.6.62.68.20.96.31.811.22.115.02.85.74.08.72.73.41.10.0.14.42.79.12.39.72.92.60.67.52.79.11.25.30.90.0.7.61.66.90.3
scattered0.70.50.0.0.0.2.10.50.90.93.01.20.0.6.52.66.70.83.71.31.80.94.91.82.92.99.92.83.81.10.0.1.20.85.11.71.21.22.30.64.32.16.41.05.40.90.0.0.30.33.70.2
grouped crowded0.0.10.25.60.0.2.30.50.0.1.20.79.19.01.11.12.60.50.50.50.50.51.41.02.92.91.61.11.40.70.0.0.0.0.50.50.0.1.10.43.52.01.70.61.00.40.0.0.40.41.40.2
grouped normal0.40.40.0.2.92.91.10.31.31.30.80.60.0.2.61.81.40.41.50.82.61.12.91.410.75.28.82.71.60.70.0.0.0.0.70.70.0.2.10.611.13.32.90.72.00.60.0.0.0.1.80.2
heterogeneous0.0.0.0.1.61.62.00.50.0.0.40.40.0.0.90.90.60.30.0.2.51.05.21.70.0.0.0.0.30.30.0.0.0.3.71.50.60.60.60.31.11.10.90.40.30.27.94.50.30.31.00.1
total100.0.44.89.062.06.552.71.679.94.065.72.9100.0.39.05.239.21.664.63.583.42.485.82.753.18.051.24.842.12.895.72.490.52.251.84.088.23.019.11.644.05.177.21.827.21.854.98.396.81.055.80.5
inside perimetern/a0.0.0.0.0.0.0.10.10.0.0.0.0.0.2.01.40.0.0.0.0.0.0.0.2.92.90.0.0.70.50.0.0.0.0.60.60.0.0.0.1.01.00.0.0.50.30.0.0.0.0.20.1
crowded0.0.3.23.21.61.62.00.50.0.1.10.60.0.6.82.71.50.40.50.50.90.60.0.1.81.85.82.23.11.00.0.0.0.0.0.0.0.0.80.37.62.80.70.43.70.70.0.0.0.1.60.2
normal0.0.2.72.70.0.1.10.30.0.0.0.0.0.7.72.82.60.50.90.60.40.42.01.15.74.00.0.2.10.80.0.0.50.53.01.40.0.1.00.49.63.02.60.74.70.92.92.90.0.1.90.2
loose0.0.0.0.0.0.1.70.40.0.0.90.70.0.2.31.72.50.50.60.60.0.1.10.84.63.31.01.00.80.50.0.0.0.1.30.90.0.1.30.52.21.50.90.44.50.80.0.0.0.1.50.2
open0.0.3.23.20.0.1.00.30.0.1.10.60.0.1.41.43.50.60.40.40.0.0.0.0.0.0.90.91.00.60.0.0.0.0.70.70.0.1.60.51.01.00.30.25.10.90.0.0.0.1.50.1
scattered0.0.0.0.0.0.0.60.30.0.0.0.0.0.2.01.41.40.40.0.0.0.0.60.60.0.0.0.0.0.0.0.0.0.0.50.50.0.0.60.31.11.10.0.1.10.40.0.0.0.0.50.1
grouped crowded0.0.0.0.0.0.0.40.20.0.0.0.0.0.1.11.10.60.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.50.30.0.0.20.21.10.40.0.0.0.0.30.1
grouped normal0.0.0.0.0.0.0.20.20.0.0.0.0.0.3.01.70.50.20.0.0.0.0.0.0.0.0.70.70.30.30.0.0.0.0.0.0.0.1.10.42.31.60.20.20.80.40.0.0.0.0.40.1
heterogeneous0.0.0.0.0.0.0.30.20.0.0.0.0.0.0.0.0.40.20.0.0.0.0.0.0.0.0.0.0.40.40.0.0.0.0.0.0.0.0.90.40.0.0.20.20.60.30.0.0.0.0.30.1
total0.0.9.25.21.61.67.50.90.0.3.11.10.0.26.34.712.91.12.41.01.30.73.71.515.05.98.42.68.31.60.0.0.50.56.11.90.0.7.81.124.84.55.10.922.21.72.92.90.0.8.20.3
outside perimetern/a0.0.0.0.0.0.0.20.20.0.0.0.0.0.1.11.11.10.30.0.0.0.0.0.0.0.0.70.72.20.90.0.0.0.0.0.0.0.0.50.31.21.20.40.30.80.40.0.0.0.0.50.1
crowded0.0.27.17.920.95.611.11.08.12.68.51.80.0.12.73.65.70.812.32.33.41.21.81.112.35.413.03.313.41.91.41.43.01.312.92.72.31.229.01.811.23.44.90.910.41.212.15.70.70.59.80.4
normal0.0.7.04.812.44.710.41.06.92.59.61.90.0.11.23.49.20.912.62.46.31.64.01.516.75.34.92.115.52.02.82.03.71.413.82.86.02.415.71.57.82.86.51.110.21.213.66.02.10.89.20.4
loose0.0.2.72.73.22.27.00.83.21.94.71.30.0.2.01.48.90.93.81.43.41.21.71.00.0.4.72.06.41.40.0.1.81.15.91.82.31.48.41.15.52.52.80.78.01.18.65.00.0.5.50.3
open0.0.6.04.20.0.5.60.80.80.83.61.20.0.2.01.411.91.12.21.11.20.72.31.22.92.98.02.63.81.10.0.0.40.44.71.61.20.89.31.24.42.21.50.59.91.25.03.60.40.45.50.3
scattered0.0.0.0.0.0.1.00.30.0.1.40.80.0.4.72.36.80.81.10.70.50.50.0.0.0.1.01.02.71.00.0.0.0.2.61.30.0.3.40.70.0.1.30.54.30.80.0.0.0.2.30.2
grouped crowded0.0.3.23.20.0.1.80.40.0.1.20.70.0.0.0.1.60.40.0.0.0.0.0.0.0.3.51.82.91.00.0.0.0.0.0.0.0.2.50.60.0.0.20.23.00.70.0.0.0.1.30.1
grouped normal0.0.0.0.0.0.0.70.30.0.0.70.50.0.0.90.92.30.50.0.0.50.50.70.60.0.4.62.01.40.70.0.0.0.0.0.0.0.2.60.61.01.00.0.1.80.50.0.0.0.1.10.1
heterogeneous0.0.0.0.0.0.1.80.41.11.11.40.80.0.0.0.0.30.21.10.80.0.0.0.0.0.0.0.1.30.60.0.0.0.2.31.20.0.1.80.50.0.0.0.2.10.62.92.90.0.0.90.1
total0.0.46.09.036.56.539.81.620.14.031.22.90.0.34.75.147.81.633.03.415.32.410.52.331.97.340.44.849.72.94.32.49.02.242.14.011.83.073.11.831.14.917.61.650.62.042.28.43.21.036.00.5
totaln/a0.40.40.0.4.53.30.90.30.0.0.0.0.0.4.12.01.60.40.0.1.40.80.90.95.94.02.51.54.21.20.0.0.0.3.81.51.21.20.50.33.52.00.60.31.90.60.0.0.0.1.30.1
crowded32.02.958.99.059.77.326.01.434.34.834.33.281.812.126.84.611.31.027.43.227.42.810.42.420.66.330.54.226.52.529.35.725.63.326.23.535.64.334.51.926.54.626.61.819.01.624.97.626.32.625.30.5
normal43.63.012.55.925.26.528.81.544.54.927.93.09.19.023.74.517.91.241.43.632.83.128.93.532.57.49.22.831.02.654.76.134.63.524.93.537.44.520.71.723.94.532.92.018.51.639.38.745.03.028.00.6
loose17.12.36.04.26.13.717.41.211.63.314.42.30.0.12.63.620.41.314.52.517.62.526.83.415.96.19.92.914.02.016.14.523.73.215.22.813.13.211.31.38.83.015.01.516.81.520.07.019.82.416.40.5
open5.81.49.25.20.0.12.41.16.32.413.22.20.0.10.03.223.51.48.92.012.42.217.33.08.64.817.73.68.21.60.0.14.82.714.42.810.93.013.41.412.93.510.91.320.21.65.03.67.91.613.80.4
scattered0.70.50.0.0.0.3.80.60.90.94.41.40.0.13.33.514.91.24.71.52.21.05.51.92.92.910.92.96.61.40.0.1.20.88.22.21.21.26.41.05.42.37.71.110.91.30.0.0.30.36.60.3
grouped crowded0.0.13.46.20.0.4.50.70.0.2.41.09.19.02.21.54.90.70.50.50.50.51.41.02.92.95.12.14.31.20.0.0.0.0.50.50.0.4.10.83.52.02.10.65.10.90.0.0.40.43.10.2
grouped normal0.40.40.0.2.92.92.00.51.31.31.50.80.0.6.52.64.10.61.50.83.11.13.61.610.75.214.13.33.41.00.0.0.0.0.70.70.0.5.70.914.43.73.00.74.60.80.0.0.0.3.30.2
heterogeneous0.0.0.0.1.61.64.10.61.11.11.80.90.0.0.90.91.40.41.10.82.51.05.21.70.0.0.0.1.90.80.0.0.0.6.01.90.60.63.30.71.11.11.10.53.10.710.75.40.30.32.20.2
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 #853135/319466
NFI1
forest area
avalanches SilvaProtect · crown closure
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI1
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %±
n/an/a3.20.33.50.44.70.63.20.61.70.41.10.33.00.2
crowded29.90.79.50.712.20.93.80.67.40.75.20.616.30.3
heterogeneous2.70.22.50.40.90.30.40.22.40.40.20.11.90.1
normal, loose37.20.713.70.812.10.95.80.711.10.93.60.520.30.4
open, scattered12.10.510.00.78.20.811.31.012.20.94.60.610.40.3
crowded, clustered normal2.20.24.80.54.80.64.60.78.10.82.50.43.90.2
total87.40.544.01.142.91.429.11.443.01.417.21.055.80.4
inside perimetern/a0.0.0.50.20.80.31.10.30.50.20.20.10.30.1
crowded0.30.12.50.44.50.63.10.53.10.52.00.42.00.1
heterogeneous0.10.00.30.10.20.11.30.40.50.20.30.20.30.1
normal, loose0.40.13.40.43.10.56.30.84.20.62.70.42.50.1
open, scattered0.10.12.80.41.50.48.70.93.10.53.00.52.20.1
crowded, clustered normal0.00.01.10.21.50.34.30.62.90.52.90.51.40.1
total1.00.210.50.711.60.924.71.314.41.011.00.88.80.3
outside perimetern/a0.60.12.10.32.90.52.30.51.70.41.80.41.60.1
crowded4.80.312.20.717.51.17.90.88.50.829.81.211.20.3
heterogeneous0.30.14.00.41.40.32.60.52.50.41.70.41.70.1
normal, loose4.00.314.40.814.81.011.31.010.30.916.21.09.90.3
open, scattered1.70.27.70.64.80.615.11.111.90.913.60.96.90.2
crowded, clustered normal0.20.15.00.54.00.67.00.87.70.78.60.84.00.2
total11.70.545.41.145.51.446.21.642.61.471.81.235.40.4
totaln/a3.80.36.10.58.50.86.60.83.90.53.00.54.90.2
crowded35.10.724.11.034.31.314.81.119.11.137.01.329.50.4
heterogeneous3.10.36.80.62.50.54.30.65.50.62.30.44.00.2
normal, loose41.70.831.51.130.01.323.41.325.61.222.61.132.70.4
open, scattered14.00.520.50.914.51.035.01.527.21.221.11.119.50.4
crowded, clustered normal2.50.210.90.710.30.915.91.118.71.114.00.99.40.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853136/319467
NFI1
forest area
avalanches SilvaProtect · crown closure
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
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %±
n/an/a3.10.43.10.63.10.71.60.61.20.40.80.42.50.2
crowded30.11.09.41.012.31.33.60.87.71.15.30.916.60.5
heterogeneous2.80.42.50.51.20.50.20.22.60.70.30.22.00.2
normal, loose36.91.113.21.112.11.44.30.911.21.34.00.820.20.5
open, scattered11.60.710.41.08.11.110.81.410.21.24.20.89.90.4
crowded, clustered normal1.90.35.10.76.31.04.30.98.71.11.70.53.90.3
total86.40.743.71.643.12.024.81.941.72.016.31.555.10.6
inside perimetern/a0.0.0.50.20.70.40.60.30.30.20.0.0.30.1
crowded0.30.12.90.65.20.93.30.82.40.62.10.62.00.2
heterogeneous0.10.10.60.30.20.21.20.50.50.30.50.30.40.1
normal, loose0.50.23.10.63.50.87.61.24.40.82.10.62.60.2
open, scattered0.20.12.40.50.90.46.71.12.80.72.20.61.80.2
crowded, clustered normal0.10.11.10.31.70.53.80.93.50.72.80.71.50.2
total1.10.210.61.012.21.423.11.814.01.49.71.28.50.4
outside perimetern/a0.80.22.20.51.90.62.30.71.30.52.00.61.50.2
crowded4.60.512.01.116.41.58.71.28.11.130.61.811.00.4
heterogeneous0.40.13.80.61.40.53.00.82.40.61.60.51.70.2
normal, loose4.90.514.21.216.91.511.81.410.41.216.71.510.50.4
open, scattered1.50.38.10.94.20.817.81.713.41.414.21.47.30.3
crowded, clustered normal0.30.15.50.74.00.88.61.28.71.19.01.14.40.3
total12.50.745.71.644.72.052.12.244.32.074.01.836.40.6
totaln/a3.90.45.80.85.71.04.50.92.80.72.90.74.20.3
crowded35.01.024.31.433.91.915.51.618.31.537.91.929.60.6
heterogeneous3.30.46.90.82.80.74.30.95.50.92.40.64.10.3
normal, loose42.41.130.51.532.61.923.71.926.01.822.81.733.30.6
open, scattered13.20.720.81.313.21.435.32.126.41.820.51.619.00.5
crowded, clustered normal2.20.311.71.011.91.316.71.720.91.613.51.49.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853137/319468
NFI1
forest area
avalanches SilvaProtect · crown closure
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %±
n/an/a3.40.43.40.64.40.82.50.71.50.51.20.43.00.2
crowded29.81.09.20.911.91.33.80.87.91.15.30.916.30.5
heterogeneous2.80.42.50.51.20.40.20.22.80.70.30.22.00.2
normal, loose36.61.013.01.112.01.34.40.911.31.34.30.819.90.5
open, scattered11.80.710.61.08.01.110.91.310.41.24.60.810.10.4
crowded, clustered normal2.10.35.20.76.11.04.50.98.81.12.10.64.10.3
total86.50.744.01.643.72.026.21.942.71.917.81.555.30.6
inside perimetern/a0.0.0.60.20.70.30.80.40.50.30.0.0.30.1
crowded0.30.12.80.55.10.93.10.72.30.62.00.52.00.2
heterogeneous0.10.10.60.20.20.21.10.40.40.30.40.30.40.1
normal, loose0.50.23.10.63.40.77.31.14.40.82.00.52.50.2
open, scattered0.20.12.50.50.90.46.41.12.70.62.10.61.80.2
crowded, clustered normal0.10.11.00.31.80.53.60.83.30.72.80.61.50.2
total1.20.210.51.011.91.322.31.813.71.49.31.18.40.4
outside perimetern/a0.80.22.30.52.20.62.40.71.60.52.60.61.70.2
crowded4.50.412.11.115.71.48.51.27.71.129.71.710.80.4
heterogeneous0.40.13.80.61.50.52.80.72.30.61.50.51.70.2
normal, loose4.90.514.11.116.71.511.81.410.31.216.61.510.50.4
open, scattered1.50.37.90.94.50.817.81.713.31.313.81.37.30.3
crowded, clustered normal0.30.15.40.73.90.88.21.28.51.18.81.14.30.3
total12.40.745.51.644.52.051.52.243.62.072.91.736.30.6
totaln/a4.20.46.30.87.31.15.71.03.50.73.80.74.90.3
crowded34.61.024.11.432.71.815.41.518.01.536.91.829.10.6
heterogeneous3.30.46.80.82.80.74.10.95.60.92.30.64.10.3
normal, loose42.01.130.21.532.11.923.41.826.01.722.81.632.90.6
open, scattered13.50.721.01.313.41.435.12.126.31.720.41.619.20.5
crowded, clustered normal2.40.311.61.011.81.316.31.620.61.613.81.39.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853138/319469
NFI2
forest area
avalanches SilvaProtect · crown closure
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
avalanches SilvaProtectcrown closure %± %± %± %± %± %± %±
n/an/a0.40.10.80.31.90.60.60.40.30.20.0.0.60.1
crowded23.90.99.00.913.11.44.30.94.20.84.20.813.70.5
normal34.51.08.20.98.51.22.60.76.61.03.40.717.20.5
loose15.30.88.30.96.01.04.40.910.01.21.80.59.80.4
open8.30.67.70.94.90.95.51.09.81.22.70.77.10.3
scattered1.90.33.60.63.50.84.40.96.11.01.70.53.10.2
grouped crowded0.40.12.10.51.60.50.60.42.50.60.30.21.10.1
grouped normal0.70.22.50.52.10.61.90.61.50.51.60.51.50.2
heterogeneous1.10.21.40.41.50.50.40.30.70.30.60.31.00.1
total86.40.743.71.643.12.024.81.941.72.016.31.555.10.6
inside perimetern/a0.0.0.20.20.90.40.60.40.0.0.0.0.20.1
crowded0.10.13.10.63.80.83.70.81.80.51.00.41.70.2
normal0.50.22.10.53.80.84.50.92.70.61.40.51.90.2
loose0.30.12.30.51.20.54.91.03.00.71.60.51.60.2
open0.10.11.40.40.90.45.31.03.50.72.40.61.60.2
scattered0.10.10.40.20.70.31.40.51.30.50.90.40.60.1
grouped crowded0.0.0.40.20.20.21.20.50.80.40.50.30.40.1
grouped normal0.0.0.30.20.50.30.80.40.50.30.80.30.30.1
heterogeneous0.0.0.30.20.20.20.80.40.30.21.10.40.30.1
total1.10.210.61.012.21.423.11.814.01.49.71.28.50.4
outside perimetern/a0.0.0.60.20.70.30.60.41.50.50.70.30.50.1
crowded4.00.411.91.115.11.410.81.44.70.927.11.810.00.4
normal5.10.511.71.113.71.410.81.47.91.115.81.59.30.4
loose2.00.38.00.95.71.08.21.29.81.29.41.25.80.3
open0.90.26.70.84.50.99.81.311.21.311.01.25.50.3
scattered0.10.11.90.52.50.64.60.94.90.94.10.82.10.2
grouped crowded0.10.11.80.41.00.42.80.71.50.51.90.51.10.1
grouped normal0.00.01.30.40.20.22.00.62.30.62.50.61.00.1
heterogeneous0.20.11.80.41.40.52.40.70.50.31.60.51.00.1
total12.50.745.71.644.72.052.12.244.32.074.01.836.40.6
totaln/a0.40.11.50.43.50.81.90.61.80.50.70.31.30.2
crowded28.11.024.11.432.01.918.81.710.71.232.31.925.40.6
normal40.11.122.11.426.01.817.91.717.31.520.61.628.40.6
loose17.50.818.61.312.91.417.51.722.81.712.71.317.20.5
open9.30.615.71.210.31.320.61.824.61.716.11.514.10.5
scattered2.20.36.00.86.61.010.41.412.31.36.81.05.80.3
grouped crowded0.50.24.40.72.80.74.70.94.70.92.70.62.60.2
grouped normal0.70.24.20.62.80.74.60.94.30.84.90.92.80.2
heterogeneous1.20.23.50.63.10.73.60.81.50.53.30.72.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #853139/319470
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