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NFI3
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
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
state2004/06
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%1.1440.0.0.0.1.144
21-40%1.7350.0.0.21001.933
41-60%6.9160.21001.0458.115
61-80%15.8110.21003.72319.79
over 80%87.833.02523.28114.02
total113.323.42328.07144.81
Eastern Jura0-20%0.21000.0.0.0.0.2100
21-40%0.31000.0.0.0.0.3100
41-60%0.7580.0.0.0.0.758
61-80%1.4390.0.0.0.1.439
over 80%37.840.31005.11943.22
total40.330.31005.11945.72
Western Plateau0-20%0.4700.0.0.0.0.470
21-40%0.8490.0.0.0.0.849
41-60%2.7270.0.0.0.2.727
61-80%3.5240.0.0.7584.122
over 80%34.750.0.4.32139.04
total42.030.0.5.01947.02
Central Plateau0-20%0.5580.0.0.0.0.558
21-40%1.1440.0.0.0.1.144
41-60%1.0450.0.0.21001.240
61-80%5.3190.0.0.5585.818
over 80%51.630.21008.51460.32
total59.530.21009.21369.01
Eastern Plateau0-20%1.0440.0.0.0.1.044
21-40%1.7340.0.0.0.1.734
41-60%2.0310.0.0.0.2.031
61-80%5.4180.0.0.5585.917
over 80%89.520.0.5.51995.02
total99.620.0.6.018105.61
Western Pre-Alps0-20%0.31000.0.0.8561.148
21-40%0.6700.0.0.6701.148
41-60%2.6290.0.4.2226.817
61-80%3.4240.21004.8198.314
over 80%8.8130.0.14.21023.06
total15.6100.210024.5740.33
Central Pre-Alps0-20%0.4710.0.0.4700.850
21-40%2.1300.0.1.2413.324
41-60%4.3200.21002.0306.516
61-80%10.1130.21008.51518.89
over 80%31.070.47134.4665.83
total47.950.85046.4595.12
Eastern Pre-Alps0-20%0.8500.0.0.7571.537
21-40%1.0450.0.0.7571.735
41-60%3.3250.0.2.7276.018
61-80%6.8170.0.4.92011.712
over 80%21.080.65825.2746.84
total32.960.65834.2667.73
Northwestern Alps0-20%0.8500.21001.4372.428
21-40%1.4380.0.1.4372.926
41-60%3.3250.21002.9266.417
61-80%4.1220.6588.31513.111
over 80%7.9152.23016.2926.46
total17.6103.22530.2651.13
Central Alps0-20%0.21000.0.0.21000.471
21-40%1.5340.0.0.0.1.534
41-60%1.6340.4710.4712.428
61-80%2.4280.4712.0314.719
over 80%3.8201.9316.21511.99
total9.5122.7268.71220.95
Northeastern Alps0-20%0.0.0.0.0.9430.943
21-40%1.0450.0.1.0452.032
41-60%1.3380.4701.3383.024
61-80%1.9330.5583.2255.618
over 80%3.3222.4289.41215.18
total7.6153.32415.8926.65
Southwestern Alps0-20%0.6580.4710.6581.635
21-40%4.2220.0.3.5237.716
41-60%5.5191.53810.21317.210
61-80%6.3171.93117.21025.48
over 80%7.9153.02536.1647.15
total24.586.81667.7499.02
Southeastern Alps0-20%1.8330.0.1.4383.225
21-40%3.7230.0.5.8189.514
41-60%10.4130.0.14.81125.28
61-80%14.2111.53521.0936.76
over 80%20.691.43824.7846.75
total50.652.92667.84121.32
Southern Alps0-20%0.4710.21001.2411.933
21-40%1.0450.4711.4382.727
41-60%2.1300.4715.2197.715
61-80%6.3172.03117.81026.18
over 80%10.3146.61767.7484.63
total20.199.61493.33123.12
Switzerland0-20%8.6150.8507.61617.011
21-40%22.0100.47115.71138.17
41-60%47.863.22545.1696.04
61-80%86.857.51693.04187.33
over 80%416.1122.29280.62718.91
total581.2134.17442.021057.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #861529/327860
NFI3
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%1.3400.0.0.0.1.340
21-40%2.7270.0.0.21002.926
41-60%7.9150.21001.0459.114
61-80%17.2100.21003.72321.19
over 80%89.433.02523.68116.02
total118.623.42328.47150.51
Eastern Jura0-20%0.21000.0.0.0.0.2100
21-40%0.31000.0.0.0.0.3100
41-60%0.7580.0.0.0.0.758
61-80%1.4390.0.0.0.1.439
over 80%38.640.31005.11944.02
total41.230.31005.11946.62
Western Plateau0-20%0.8490.0.0.0.0.849
21-40%0.8490.0.0.0.0.849
41-60%2.9260.0.0.0.2.926
61-80%3.7230.0.0.7584.321
over 80%35.940.0.4.32140.24
total44.130.0.5.01949.12
Central Plateau0-20%0.5580.0.0.0.0.558
21-40%1.1440.0.0.0.1.144
41-60%1.0450.0.0.21001.240
61-80%5.3190.0.0.5585.818
over 80%51.830.21008.51460.52
total59.730.21009.21369.11
Eastern Plateau0-20%1.0440.0.0.0.1.044
21-40%1.7340.0.0.0.1.734
41-60%2.0310.0.0.0.2.031
61-80%5.5180.0.0.5586.117
over 80%91.320.0.5.51996.82
total101.610.0.6.018107.61
Western Pre-Alps0-20%0.6700.0.1.0491.639
21-40%0.6700.0.0.6701.148
41-60%3.3260.0.4.4217.715
61-80%3.9220.21005.0199.114
over 80%9.2130.0.14.61023.86
total17.690.210025.6743.33
Central Pre-Alps0-20%0.6580.0.0.6571.140
21-40%2.7260.0.1.2413.822
41-60%5.5180.21002.0307.715
61-80%10.9130.21008.81419.99
over 80%31.670.47134.8666.83
total51.250.85047.4599.42
Eastern Pre-Alps0-20%1.0450.0.0.7571.735
21-40%1.6350.0.0.9492.529
41-60%3.5240.0.3.0266.517
61-80%8.0150.0.5.21913.211
over 80%21.980.65825.9748.54
total36.160.65835.6672.32
Northwestern Alps0-20%1.4380.21001.4373.025
21-40%3.2250.0.1.4374.720
41-60%4.8200.21003.3248.315
61-80%5.0200.6588.71414.311
over 80%9.3142.42816.9928.76
total23.783.52431.7658.93
Central Alps0-20%0.6580.0.0.6581.241
21-40%2.1300.0.0.0.2.130
41-60%2.0300.6580.6573.224
61-80%2.7250.6582.4285.717
over 80%4.6182.1306.41513.28
total12.1113.3249.91125.44
Northeastern Alps0-20%0.0.0.0.0.9430.943
21-40%1.4380.0.1.2412.627
41-60%1.7330.4702.1304.120
61-80%2.7270.5583.6236.816
over 80%3.7212.4289.41215.48
total9.5133.32417.0829.85
Southwestern Alps0-20%1.0450.4710.8502.230
21-40%8.2150.0.4.02212.213
41-60%7.8161.53811.21320.59
61-80%7.9161.93118.6928.47
over 80%9.3143.22437.9650.55
total34.377.01672.53113.82
Southeastern Alps0-20%2.4290.0.1.4383.823
21-40%7.3160.21007.91615.411
41-60%13.9120.0.16.81030.87
61-80%17.8102.23023.4843.46
over 80%22.191.43826.1849.55
total63.553.82375.64142.82
Southern Alps0-20%1.0450.21002.2303.424
21-40%5.1190.6583.7229.314
41-60%6.0180.6588.91415.511
61-80%8.2152.62820.4931.27
over 80%11.7136.81771.9490.43
total32.0710.813107.13150.02
Switzerland0-20%12.4130.8509.61422.89
21-40%38.870.85020.91060.66
41-60%63.153.62453.56120.24
61-80%100.448.915101.44210.73
over 80%430.5123.09290.92744.31
total645.2137.17476.311158.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #861530/327861
NFI3
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
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
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%1.3400.0.0.0.1.340
21-40%2.7270.0.0.21002.926
41-60%8.8140.21001.0459.913
61-80%17.6100.21003.92221.79
over 80%89.833.02523.88116.62
total120.223.42328.97152.51
Eastern Jura0-20%0.21000.0.0.0.0.2100
21-40%0.31000.0.0.0.0.3100
41-60%0.7580.0.0.0.0.758
61-80%1.4390.0.0.0.1.439
over 80%38.640.31005.11944.02
total41.230.31005.11946.62
Western Plateau0-20%0.8490.0.0.0.0.849
21-40%0.8490.0.0.0.0.849
41-60%2.9260.0.0.0.2.926
61-80%3.9220.0.0.7584.621
over 80%36.340.0.4.52040.83
total44.730.0.5.21949.92
Central Plateau0-20%0.5580.0.0.0.0.558
21-40%1.1440.0.0.0.1.144
41-60%1.2400.0.0.21001.537
61-80%5.3190.0.0.5585.818
over 80%52.830.21008.51461.52
total60.920.21009.21370.31
Eastern Plateau0-20%1.0440.0.0.0.1.044
21-40%1.7340.0.0.0.1.734
41-60%2.0310.0.0.0.2.031
61-80%5.9170.0.0.5586.416
over 80%91.520.0.5.51997.02
total102.110.0.6.018108.11
Western Pre-Alps0-20%0.8580.0.1.0491.837
21-40%0.6700.0.0.6701.148
41-60%3.5250.0.4.7218.215
61-80%4.1220.21005.0199.313
over 80%9.2130.0.14.81024.06
total18.290.210026.1644.43
Central Pre-Alps0-20%0.6580.0.0.6571.140
21-40%2.7260.0.1.2413.822
41-60%5.7180.21002.0307.915
61-80%10.9130.21009.11420.29
over 80%31.870.47135.4667.63
total51.650.85048.25100.62
Eastern Pre-Alps0-20%1.0450.0.0.7571.735
21-40%1.6350.0.1.1442.827
41-60%3.5240.0.3.0266.517
61-80%8.2150.0.5.51913.811
over 80%22.180.65826.3749.04
total36.660.65836.6573.82
Northwestern Alps0-20%2.0320.21001.4373.623
21-40%3.4240.0.1.4374.920
41-60%5.0200.21003.3248.515
61-80%5.0200.6588.91414.511
over 80%9.5132.42817.5929.46
total24.983.52432.5660.93
Central Alps0-20%0.6580.0.0.6581.241
21-40%2.1300.0.0.0.2.130
41-60%2.2290.6580.6573.423
61-80%2.9250.6582.4285.917
over 80%4.8182.1306.41513.48
total12.7103.3249.91126.04
Northeastern Alps0-20%0.0.0.0.0.9430.943
21-40%1.4380.0.1.2412.627
41-60%1.9310.4702.1304.320
61-80%2.7270.5583.6236.816
over 80%3.9212.4289.81216.07
total9.8133.32417.4830.64
Southwestern Alps0-20%1.0450.4710.8502.230
21-40%8.6150.0.4.02212.612
41-60%8.0161.53811.21320.79
61-80%8.1151.93118.6928.67
over 80%9.5143.22437.9650.75
total35.377.01672.53114.82
Southeastern Alps0-20%2.6280.0.1.4384.022
21-40%7.5160.21007.91615.611
41-60%13.9120.0.17.01031.07
61-80%18.4102.23023.6844.26
over 80%22.791.63526.7850.95
total65.154.02276.54145.62
Southern Alps0-20%1.2410.21002.2303.623
21-40%5.3190.6583.7229.514
41-60%6.6170.6589.51416.710
61-80%8.2152.62820.8931.67
over 80%12.2127.01772.9492.23
total33.6711.013109.13153.72
Switzerland0-20%13.6120.8509.61424.09
21-40%39.870.85021.21061.86
41-60%65.953.62454.66124.14
61-80%102.848.915103.04214.73
over 80%434.8123.49294.92753.11
total657.0137.57483.211177.71
© WSL, Swiss National Forest Inventory, 18.06.2020 #861531/327862
NFI3
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%1.3370.0.0.0.1.337
21-40%2.8250.0.0.21003.025
41-60%8.4140.21000.9459.513
61-80%17.990.21003.72221.88
over 80%90.432.92423.48116.82
total120.823.32328.27152.31
Eastern Jura0-20%0.21000.0.0.0.0.2100
21-40%0.4710.0.0.0.0.471
41-60%0.6580.0.0.0.0.658
61-80%1.4360.0.0.21001.634
over 80%38.430.21005.01843.72
total41.030.21005.21846.52
Western Plateau0-20%0.9440.0.0.0.0.944
21-40%0.8500.0.0.0.0.850
41-60%2.8250.0.0.0.2.825
61-80%4.0210.0.0.6584.620
over 80%36.140.0.4.52040.63
total44.530.0.5.01849.62
Central Plateau0-20%0.5580.0.0.0.0.558
21-40%0.9440.0.0.0.0.944
41-60%1.3370.0.0.21001.535
61-80%5.4170.0.0.5585.916
over 80%52.830.21008.91361.92
total60.920.21009.61270.71
Eastern Plateau0-20%1.1400.0.0.0.1.140
21-40%1.7320.0.0.0.1.732
41-60%2.2280.0.0.0.2.228
61-80%5.8170.0.0.5586.316
over 80%90.520.0.5.61796.12
total101.310.0.6.116107.51
Western Pre-Alps0-20%1.1440.0.1.5362.626
21-40%0.6580.0.0.8511.437
41-60%3.4230.0.4.2207.614
61-80%3.7210.21005.6179.512
over 80%8.6120.210014.4923.26
total17.580.37126.5644.33
Central Pre-Alps0-20%0.7500.0.0.5571.237
21-40%2.7250.0.1.2384.020
41-60%5.5170.21002.2277.814
61-80%10.5120.21009.61320.28
over 80%30.871.24135.1667.13
total50.151.53548.55100.22
Eastern Pre-Alps0-20%0.9450.0.0.6571.535
21-40%1.7330.0.1.0442.726
41-60%3.6220.0.2.6266.216
61-80%8.5140.0.5.71714.210
over 80%21.180.55827.5649.14
total35.860.55837.4573.72
Northwestern Alps0-20%1.8320.21001.5333.422
21-40%3.2230.0.1.5334.719
41-60%4.8190.21003.0248.014
61-80%5.0180.7509.01314.710
over 80%8.8132.12818.3829.25
total23.483.22333.4560.03
Central Alps0-20%0.5580.0.0.5581.141
21-40%2.3270.0.0.21002.526
41-60%2.0290.6580.5573.123
61-80%2.9240.7502.5266.116
over 80%5.1172.1286.41413.78
total12.8103.42210.21126.44
Northeastern Alps0-20%0.0.0.0.0.8430.843
21-40%1.8310.0.1.1412.824
41-60%1.9290.3702.0294.219
61-80%3.0240.5583.1236.715
over 80%4.2192.1289.91116.27
total10.8113.02416.9830.74
Southwestern Alps0-20%1.1410.3710.7502.229
21-40%8.9140.3714.12113.311
41-60%7.8151.33810.61219.69
61-80%8.6141.73118.1928.57
over 80%10.4122.92437.8651.14
total36.866.61671.33114.72
Southeastern Alps0-20%2.3280.21001.6334.121
21-40%7.7150.4717.11515.210
41-60%14.5110.0.16.81031.37
61-80%18.0101.93023.3843.26
over 80%22.681.43527.2751.35
total65.143.92176.14145.12
Southern Alps0-20%1.1410.21002.0303.323
21-40%5.1180.5583.5229.213
41-60%6.7160.5589.51316.710
61-80%7.9152.62619.7930.37
over 80%12.0127.31574.3393.53
total32.8711.112109.02152.92
Switzerland0-20%13.4120.9459.91324.18
21-40%40.571.23820.7962.55
41-60%65.453.22452.56121.14
61-80%102.648.714102.14213.43
over 80%431.8123.39298.32753.51
total653.8137.47483.411174.60
© WSL, Swiss National Forest Inventory, 18.06.2020 #861532/327863
NFI3
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest
grid: terrestrial grid NFI3
state2004/06
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%1.3370.0.0.0.1.337
21-40%2.8250.0.0.21003.025
41-60%8.4140.21000.9459.513
61-80%17.990.21003.72221.88
over 80%90.432.92423.48116.82
total120.823.32328.27152.31
Eastern Jura0-20%0.21000.0.0.0.0.2100
21-40%0.4710.0.0.0.0.471
41-60%0.6580.0.0.0.0.658
61-80%1.4360.0.0.21001.634
over 80%38.430.21005.01843.72
total41.030.21005.21846.52
Western Plateau0-20%0.9440.0.0.0.0.944
21-40%0.8500.0.0.0.0.850
41-60%2.8250.0.0.0.2.825
61-80%4.0210.0.0.6584.620
over 80%36.140.0.4.52040.63
total44.530.0.5.01849.62
Central Plateau0-20%0.5580.0.0.0.0.558
21-40%0.9440.0.0.0.0.944
41-60%1.3370.0.0.21001.535
61-80%5.4170.0.0.5585.916
over 80%52.830.21008.91361.92
total60.920.21009.61270.71
Eastern Plateau0-20%1.1400.0.0.0.1.140
21-40%1.7320.0.0.0.1.732
41-60%2.2280.0.0.0.2.228
61-80%5.8170.0.0.5586.316
over 80%90.520.0.5.61796.12
total101.310.0.6.116107.51
Western Pre-Alps0-20%1.1440.0.1.5362.626
21-40%0.6580.0.0.8511.437
41-60%3.8220.0.4.2208.014
61-80%4.1200.21005.81710.112
over 80%8.6120.210014.4923.26
total18.280.37126.7645.33
Central Pre-Alps0-20%0.7500.0.0.5571.237
21-40%2.7250.0.1.2384.020
41-60%5.6170.21002.2277.914
61-80%10.8120.21009.61320.68
over 80%31.371.24135.1667.63
total51.251.53548.55101.22
Eastern Pre-Alps0-20%0.9450.0.0.6571.535
21-40%1.7330.0.1.0442.726
41-60%4.0210.0.2.6266.616
61-80%8.7140.0.5.91714.610
over 80%21.180.55827.5649.14
total36.360.55837.6574.52
Northwestern Alps0-20%1.9300.21001.5333.621
21-40%3.5220.0.1.5335.118
41-60%6.2170.21003.0249.513
61-80%5.5170.7509.01315.210
over 80%9.8132.12818.3830.25
total27.073.22333.4563.53
Central Alps0-20%1.1410.0.0.7501.831
21-40%2.3270.0.0.4712.725
41-60%2.3270.7500.7503.821
61-80%4.3200.7502.5267.514
over 80%6.4152.1286.71415.38
total16.493.62211.01031.04
Northeastern Alps0-20%0.3710.0.0.8431.236
21-40%2.1290.0.1.1413.223
41-60%3.0240.3702.0295.317
61-80%3.9210.5583.3237.714
over 80%6.2162.1289.91118.27
total15.693.02417.0835.64
Southwestern Alps0-20%1.1410.3710.7502.229
21-40%9.4140.3714.42014.211
41-60%8.8141.33810.61220.79
61-80%10.6131.73118.1930.57
over 80%12.8113.12337.8653.64
total42.766.81671.63121.22
Southeastern Alps0-20%2.3280.21001.8314.320
21-40%9.5140.4717.11517.010
41-60%17.5100.210017.91035.57
61-80%23.781.93023.7849.35
over 80%29.271.63327.6758.44
total82.244.32078.03164.52
Southern Alps0-20%1.6330.4712.4284.320
21-40%6.0170.5583.92110.413
41-60%9.4130.5589.81319.79
61-80%11.1122.62620.8934.57
over 80%16.8107.31578.03102.03
total44.9611.312114.82171.01
Switzerland0-20%15.0111.14110.51326.68
21-40%44.561.23821.6967.35
41-60%75.953.62254.16133.63
61-80%117.248.714104.04230.03
over 80%450.4123.79302.72776.81
total703.1138.37492.911234.31
© WSL, Swiss National Forest Inventory, 18.06.2020 #861533/327864
NFI3
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2004/06
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%1.3400.0.0.0.1.340
21-40%2.7270.0.0.21002.926
41-60%8.8140.21001.0459.913
61-80%17.6100.21003.92221.79
over 80%89.833.02523.88116.62
total120.223.42328.97152.51
Eastern Jura0-20%0.21000.0.0.0.0.2100
21-40%0.31000.0.0.0.0.3100
41-60%0.7580.0.0.0.0.758
61-80%1.4390.0.0.0.1.439
over 80%38.640.31005.11944.02
total41.230.31005.11946.62
Western Plateau0-20%0.8490.0.0.0.0.849
21-40%0.8490.0.0.0.0.849
41-60%2.9260.0.0.0.2.926
61-80%3.9220.0.0.7584.621
over 80%36.340.0.4.52040.83
total44.730.0.5.21949.92
Central Plateau0-20%0.5580.0.0.0.0.558
21-40%1.1440.0.0.0.1.144
41-60%1.2400.0.0.21001.537
61-80%5.3190.0.0.5585.818
over 80%52.830.21008.51461.52
total60.920.21009.21370.31
Eastern Plateau0-20%1.0440.0.0.0.1.044
21-40%1.7340.0.0.0.1.734
41-60%2.0310.0.0.0.2.031
61-80%5.9170.0.0.5586.416
over 80%91.520.0.5.51997.02
total102.110.0.6.018108.11
Western Pre-Alps0-20%0.8580.0.1.0491.837
21-40%0.6700.0.0.6701.148
41-60%3.9230.0.4.7218.614
61-80%4.6210.21005.21910.013
over 80%9.2130.0.14.81024.06
total19.090.210026.3645.53
Central Pre-Alps0-20%0.6580.0.0.6571.140
21-40%2.7260.0.1.2413.822
41-60%5.9170.21002.0308.115
61-80%10.9130.21009.11420.29
over 80%32.470.47135.4668.13
total52.450.85048.25101.42
Eastern Pre-Alps0-20%1.0450.0.0.7571.735
21-40%1.6350.0.1.1442.827
41-60%3.9230.0.3.0266.917
61-80%8.4150.0.5.81814.211
over 80%22.180.65826.3749.04
total37.260.65836.8574.62
Northwestern Alps0-20%2.2300.21001.4373.822
21-40%3.8230.0.1.4375.319
41-60%6.6170.21003.32410.114
61-80%5.4190.6588.91414.910
over 80%10.1132.42817.5930.06
total28.173.52432.5664.13
Central Alps0-20%1.2410.0.0.8502.031
21-40%2.1300.0.0.21002.328
41-60%2.4280.8500.8504.021
61-80%4.0220.6582.4286.916
over 80%6.2162.1306.81515.28
total15.993.52310.91130.44
Northeastern Alps0-20%0.4710.0.0.9431.336
21-40%1.8330.0.1.2413.025
41-60%3.0250.4702.1305.418
61-80%3.6230.5583.6237.715
over 80%5.8172.4289.81217.97
total14.5103.32417.4835.24
Southwestern Alps0-20%1.0450.4710.8502.230
21-40%9.2150.0.4.42113.612
41-60%9.2151.53811.21321.99
61-80%9.9141.93118.6930.57
over 80%11.8123.52337.9653.25
total41.267.21672.93121.32
Southeastern Alps0-20%2.6280.0.1.6354.222
21-40%9.3150.21007.91617.410
41-60%17.0110.210018.01035.17
61-80%24.392.23024.0850.46
over 80%29.281.63527.0757.85
total82.344.22278.54164.92
Southern Alps0-20%1.8330.4712.6284.820
21-40%6.3170.6584.12111.013
41-60%9.6140.6589.91420.19
61-80%11.4132.62821.7935.77
over 80%17.2107.01776.64100.83
total46.2611.213115.03172.42
Switzerland0-20%15.4111.04510.31426.79
21-40%44.170.85022.2967.05
41-60%77.054.02256.16137.14
61-80%116.648.915104.84230.43
over 80%452.9123.69299.42775.91
total706.0138.37492.911237.21
© WSL, Swiss National Forest Inventory, 18.06.2020 #861534/327865
NFI3
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%1.3400.0.0.0.1.340
21-40%2.7270.0.0.21002.926
41-60%7.9150.21001.0459.114
61-80%17.2100.21003.72321.19
over 80%89.433.02523.68116.02
total118.623.42328.47150.51
Eastern Jura0-20%0.21000.0.0.0.0.2100
21-40%0.31000.0.0.0.0.3100
41-60%0.7580.0.0.0.0.758
61-80%1.4390.0.0.0.1.439
over 80%38.640.31005.11944.02
total41.230.31005.11946.62
Western Plateau0-20%0.8490.0.0.0.0.849
21-40%0.8490.0.0.0.0.849
41-60%2.9260.0.0.0.2.926
61-80%3.7230.0.0.7584.321
over 80%35.940.0.4.32140.24
total44.130.0.5.01949.12
Central Plateau0-20%0.5580.0.0.0.0.558
21-40%1.1440.0.0.0.1.144
41-60%1.2400.0.0.21001.537
61-80%5.3190.0.0.5585.818
over 80%51.830.21008.51460.52
total59.920.21009.21369.31
Eastern Plateau0-20%1.0440.0.0.0.1.044
21-40%1.7340.0.0.0.1.734
41-60%2.0310.0.0.0.2.031
61-80%5.5180.0.0.5586.117
over 80%91.320.0.5.51996.82
total101.610.0.6.018107.61
Western Pre-Alps0-20%0.8580.0.1.0491.837
21-40%0.6700.0.0.6701.148
41-60%3.7240.0.4.4218.115
61-80%4.4210.21005.2199.813
over 80%9.2130.0.14.61023.86
total18.690.210025.8744.63
Central Pre-Alps0-20%0.6580.0.0.6571.140
21-40%2.7260.0.1.2413.822
41-60%5.7180.21002.0307.915
61-80%10.9130.21008.81419.99
over 80%32.270.47134.8667.43
total52.050.85047.45100.22
Eastern Pre-Alps0-20%1.0450.0.0.7571.735
21-40%1.6350.0.0.9492.529
41-60%3.9230.0.3.0266.917
61-80%8.2150.0.5.41913.611
over 80%21.980.65825.9748.54
total36.760.65835.8673.22
Northwestern Alps0-20%1.8330.21001.4373.424
21-40%3.6230.0.1.4375.119
41-60%6.4180.21003.3249.914
61-80%5.4190.6588.71414.711
over 80%9.9132.42816.9929.36
total27.183.52431.7662.33
Central Alps0-20%1.2410.0.0.8502.031
21-40%2.1300.0.0.21002.328
41-60%2.2290.8500.8503.822
61-80%3.5230.6582.4286.516
over 80%6.0162.1306.81515.08
total15.1103.52310.91129.64
Northeastern Alps0-20%0.4710.0.0.9431.336
21-40%1.8330.0.1.2413.025
41-60%2.8260.4702.1305.218
61-80%3.6230.5583.6237.715
over 80%5.6172.4289.41217.38
total14.1103.32417.0834.54
Southwestern Alps0-20%1.0450.4710.8502.230
21-40%9.0150.0.4.42113.412
41-60%9.0151.53811.21321.79
61-80%9.8141.93118.6930.37
over 80%11.6133.52337.9653.05
total40.467.21672.93120.52
Southeastern Alps0-20%2.4290.0.1.6354.022
21-40%8.9150.21007.91617.010
41-60%17.0110.210017.61034.87
61-80%23.692.23023.8849.66
over 80%28.581.43826.6856.65
total80.444.02277.64162.02
Southern Alps0-20%1.6350.4712.6284.621
21-40%6.1180.6584.12110.813
41-60%9.2140.6589.71419.510
61-80%11.4132.62821.4935.47
over 80%16.6116.81776.0499.53
total44.9611.013113.83169.72
Switzerland0-20%14.6121.04510.31425.99
21-40%43.170.85021.9965.85
41-60%74.554.02255.36133.84
61-80%114.048.915103.24226.23
over 80%448.6123.29295.92767.71
total694.8137.97486.711219.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #861535/327866
NFI4
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%1.5370.0.0.0.1.537
21-40%2.7270.21000.0.2.926
41-60%10.1130.0.0.65810.713
61-80%26.180.8504.32131.17
over 80%78.232.42723.68104.22
total118.623.42328.47150.51
Eastern Jura0-20%0.8470.0.0.0.0.847
21-40%0.21000.0.0.0.0.2100
41-60%1.1450.0.0.4711.537
61-80%4.0220.31000.21004.521
over 80%35.140.0.4.52039.63
total41.230.31005.11946.62
Western Plateau0-20%1.0430.0.0.0.1.043
21-40%0.6570.0.0.0.0.657
41-60%3.8210.0.0.0.3.821
61-80%7.7150.0.0.9508.614
over 80%31.050.0.4.12135.14
total44.130.0.5.01949.12
Central Plateau0-20%0.9480.0.0.21001.143
21-40%0.7560.0.0.0.0.756
41-60%3.8210.0.0.21004.021
61-80%11.6120.0.1.43713.011
over 80%42.740.21007.41550.33
total59.730.21009.21369.11
Eastern Plateau0-20%0.9490.0.0.0.0.949
21-40%2.9250.0.0.0.2.925
41-60%3.0250.0.0.0.3.025
61-80%15.7100.0.0.65816.210
over 80%79.130.0.5.41984.62
total101.610.0.6.018107.61
Western Pre-Alps0-20%0.31000.0.0.31000.670
21-40%1.5410.0.2.1333.525
41-60%3.5250.0.3.5237.016
61-80%4.4210.21008.61413.111
over 80%8.0140.0.11.11119.16
total17.690.210025.6743.33
Central Pre-Alps0-20%0.8500.0.0.6571.337
21-40%1.3380.0.1.5352.925
41-60%10.4130.0.3.52313.911
61-80%17.2100.65815.01132.87
over 80%21.590.210026.8748.54
total51.250.85047.4599.42
Eastern Pre-Alps0-20%0.21000.0.0.4700.657
21-40%3.1250.0.1.0444.222
41-60%5.1190.0.2.3297.416
61-80%8.7140.21007.41616.310
over 80%19.090.47024.4743.84
total36.160.65835.6672.32
Northwestern Alps0-20%0.0.0.0.1.6341.634
21-40%1.4370.0.2.0313.523
41-60%4.9200.4714.4219.714
61-80%8.7150.6588.11517.410
over 80%8.7142.42815.61026.76
total23.783.52431.7658.93
Central Alps0-20%0.0.0.21000.0.0.2100
21-40%1.2410.4710.4702.031
41-60%2.9250.21001.6354.719
61-80%3.9211.0452.1297.015
over 80%4.1201.6355.91611.59
total12.1113.3249.91125.44
Northeastern Alps0-20%0.0.0.0.0.5570.557
21-40%1.5340.0.0.9442.426
41-60%2.0320.21002.3294.520
61-80%2.5270.21004.7197.415
over 80%3.4222.9258.61315.08
total9.5133.32417.0829.85
Southwestern Alps0-20%0.8500.0.0.4711.241
21-40%5.4190.4713.7239.514
41-60%10.2141.63514.81126.68
61-80%10.3133.52325.6839.46
over 80%7.6151.53528.1737.16
total34.377.01672.53113.82
Southeastern Alps0-20%1.0450.0.0.4711.438
21-40%7.2160.21006.51713.911
41-60%18.4101.04522.6942.16
61-80%23.691.24127.8852.65
over 80%13.2121.43818.2932.87
total63.553.82375.64142.82
Southern Alps0-20%0.6580.21000.8501.635
21-40%4.1220.4713.3247.815
41-60%7.4161.04510.31318.710
61-80%7.3161.43827.0835.77
over 80%12.6127.81665.7486.13
total32.0710.813107.13150.02
Switzerland0-20%8.7150.4715.31914.412
21-40%33.881.63521.51056.96
41-60%86.954.32166.45157.73
61-80%151.639.914133.74295.22
over 80%364.1220.910249.42634.41
total645.2137.17476.311158.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #861536/327867
NFI3
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI3
state2004/06
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%1.3370.0.0.0.1.337
21-40%2.8250.0.0.21003.025
41-60%8.6140.21000.9459.713
61-80%17.990.21003.72221.88
over 80%90.932.92423.68117.52
total121.623.32328.47153.21
Eastern Jura0-20%0.21000.0.0.0.0.2100
21-40%0.4710.0.0.0.0.471
41-60%0.6580.0.0.0.0.658
61-80%1.4360.0.0.21001.634
over 80%38.630.21005.01843.92
total41.230.21005.21846.72
Western Plateau0-20%0.9440.0.0.0.0.944
21-40%0.8500.0.0.0.0.850
41-60%2.8250.0.0.0.2.825
61-80%4.1210.0.0.6584.719
over 80%36.740.0.4.52041.23
total45.330.0.5.01850.32
Central Plateau0-20%0.5580.0.0.0.0.558
21-40%0.9440.0.0.0.0.944
41-60%1.5350.0.0.21001.633
61-80%5.4170.0.0.5585.916
over 80%53.030.21009.11362.32
total61.320.21009.81271.21
Eastern Plateau0-20%1.1400.0.0.0.1.140
21-40%1.7320.0.0.0.1.732
41-60%2.2280.0.0.0.2.228
61-80%5.8170.0.0.5586.316
over 80%90.520.0.5.61796.12
total101.310.0.6.116107.51
Western Pre-Alps0-20%1.6350.0.1.7343.323
21-40%0.6580.0.0.8511.437
41-60%3.8220.0.4.2208.014
61-80%4.1200.21005.81710.112
over 80%9.0120.210014.4923.65
total19.180.37126.9646.32
Central Pre-Alps0-20%1.0410.0.0.5571.533
21-40%2.9240.0.1.4354.319
41-60%5.8170.21002.5258.513
61-80%11.2120.21009.61320.98
over 80%32.461.24136.0669.63
total53.441.53549.94104.81
Eastern Pre-Alps0-20%0.9450.0.0.6571.535
21-40%1.8320.0.1.0442.926
41-60%4.4200.0.2.6267.015
61-80%8.7140.0.5.91714.610
over 80%21.380.55828.8650.63
total37.160.55838.9576.52
Northwestern Alps0-20%2.5270.21001.5334.120
21-40%3.5220.0.1.5335.118
41-60%7.1150.21003.42210.712
61-80%6.4160.7509.71316.89
over 80%11.1122.12818.8832.15
total30.673.22334.9568.72
Central Alps0-20%1.1410.0.0.7501.831
21-40%2.9240.21000.4713.422
41-60%2.5261.0440.9444.420
61-80%4.9190.7502.5268.114
over 80%7.1152.5267.41317.07
total18.484.41911.91034.73
Northeastern Alps0-20%0.3710.0.0.8431.236
21-40%2.1290.0.1.1413.223
41-60%3.3220.3702.2275.816
61-80%3.9210.7514.0218.613
over 80%6.5153.12311.01020.66
total16.294.12019.0739.33
Southwestern Alps0-20%1.3380.3711.1412.726
21-40%10.2130.5584.81915.510
41-60%9.5131.33811.31222.18
61-80%11.7121.73118.5931.97
over 80%13.8113.32338.3555.44
total46.457.21573.93127.52
Southeastern Alps0-20%2.5270.21001.8314.520
21-40%9.8130.4717.31517.510
41-60%18.590.47118.6937.56
61-80%24.282.12925.1851.45
over 80%29.671.63328.1759.34
total84.644.61980.83170.12
Southern Alps0-20%2.7260.4713.8226.816
21-40%7.2150.5583.92111.712
41-60%11.3120.94511.01223.28
61-80%13.8112.62622.7839.16
over 80%18.797.41580.53106.63
total53.7511.812121.92187.41
Switzerland0-20%17.8101.14112.51231.37
21-40%47.661.63322.3971.55
41-60%81.954.32057.75143.93
61-80%123.449.114109.14241.72
over 80%459.4125.38311.12795.91
total730.2141.46512.711284.30
© WSL, Swiss National Forest Inventory, 18.06.2020 #861537/327868
NFI3
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2004/06
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%1.3400.0.0.0.1.340
21-40%2.7270.0.0.21002.926
41-60%9.0140.21001.04510.213
61-80%17.6100.21003.92221.79
over 80%90.233.02524.08117.22
total120.923.42329.07153.31
Eastern Jura0-20%0.21000.0.0.0.0.2100
21-40%0.31000.0.0.0.0.3100
41-60%0.7580.0.0.0.0.758
61-80%1.4390.0.0.0.1.439
over 80%38.940.31005.11944.22
total41.430.31005.11946.82
Western Plateau0-20%0.8490.0.0.0.0.849
21-40%0.8490.0.0.0.0.849
41-60%2.9260.0.0.0.2.926
61-80%4.1220.0.0.7584.820
over 80%36.740.0.4.52041.23
total45.330.0.5.21950.52
Central Plateau0-20%0.5580.0.0.0.0.558
21-40%1.1440.0.0.0.1.144
41-60%1.4370.0.0.21001.735
61-80%5.3190.0.0.5585.818
over 80%53.030.21008.71461.92
total61.320.21009.41370.91
Eastern Plateau0-20%1.0440.0.0.0.1.044
21-40%1.7340.0.0.0.1.734
41-60%2.0310.0.0.0.2.031
61-80%5.9170.0.0.5586.416
over 80%91.520.0.5.51997.02
total102.110.0.6.018108.11
Western Pre-Alps0-20%1.1450.0.1.2452.331
21-40%0.6700.0.0.6701.148
41-60%3.9230.0.4.7218.614
61-80%4.6210.21005.21910.013
over 80%9.4130.0.14.81024.26
total19.680.210026.4646.23
Central Pre-Alps0-20%0.9440.0.0.6571.535
21-40%2.9250.0.1.4384.221
41-60%6.1170.21002.4278.714
61-80%11.3120.21009.11420.69
over 80%33.270.47136.2669.83
total54.450.85049.65104.82
Eastern Pre-Alps0-20%1.0450.0.0.7571.735
21-40%1.6350.0.1.1442.827
41-60%4.3210.0.3.0267.316
61-80%8.4150.0.5.81814.211
over 80%22.480.65827.6650.64
total37.860.65838.1576.52
Northwestern Alps0-20%2.8270.21001.4374.421
21-40%3.8230.0.1.4375.319
41-60%7.2160.21003.32410.713
61-80%6.2170.6589.71416.510
over 80%11.5122.42818.0932.05
total31.573.52433.9668.93
Central Alps0-20%1.2410.0.0.8502.031
21-40%2.5270.21000.21002.925
41-60%2.6271.0441.0454.620
61-80%4.6200.6582.4287.515
over 80%7.0152.5277.61417.17
total17.994.32011.91034.14
Northeastern Alps0-20%0.4710.0.0.9431.336
21-40%1.8330.0.1.2413.025
41-60%3.3240.4702.2285.917
61-80%3.6230.8514.1228.514
over 80%6.1173.22411.01120.46
total15.2104.32019.4739.03
Southwestern Alps0-20%1.2410.4711.0452.628
21-40%10.0140.21004.82015.011
41-60%10.0141.53812.01223.59
61-80%10.8131.93119.0931.77
over 80%13.0123.62338.3654.94
total45.067.61675.13127.72
Southeastern Alps0-20%2.6280.0.1.6354.222
21-40%9.7140.21008.11517.910
41-60%18.1100.47118.81037.37
61-80%24.992.42925.4852.65
over 80%29.681.63527.4758.65
total84.844.62181.34170.62
Southern Alps0-20%2.8270.4714.2227.416
21-40%7.7160.6584.12112.312
41-60%11.4131.04511.11323.49
61-80%14.3112.62823.5940.46
over 80%18.7107.21678.84104.83
total54.9511.813121.72188.41
Switzerland0-20%18.0111.04512.21331.28
21-40%47.261.24123.0971.45
41-60%82.954.82059.76147.33
61-80%123.049.414109.74242.03
over 80%461.2125.29307.52793.91
total732.2141.57512.111285.80
© WSL, Swiss National Forest Inventory, 18.06.2020 #861538/327869
NFI3
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%1.3400.0.0.0.1.340
21-40%2.7270.0.0.21002.926
41-60%8.1150.21001.0459.314
61-80%17.2100.21003.72321.19
over 80%89.833.02523.88116.62
total119.223.42328.67151.31
Eastern Jura0-20%0.21000.0.0.0.0.2100
21-40%0.31000.0.0.0.0.3100
41-60%0.7580.0.0.0.0.758
61-80%1.4390.0.0.0.1.439
over 80%38.940.31005.11944.22
total41.430.31005.11946.82
Western Plateau0-20%0.8490.0.0.0.0.849
21-40%0.8490.0.0.0.0.849
41-60%2.9260.0.0.0.2.926
61-80%3.9230.0.0.7584.521
over 80%36.340.0.4.32140.73
total44.730.0.5.01949.72
Central Plateau0-20%0.5580.0.0.0.0.558
21-40%1.1440.0.0.0.1.144
41-60%1.4370.0.0.21001.735
61-80%5.3190.0.0.5585.818
over 80%52.230.21008.71461.12
total60.520.21009.41370.11
Eastern Plateau0-20%1.0440.0.0.0.1.044
21-40%1.7340.0.0.0.1.734
41-60%2.0310.0.0.0.2.031
61-80%5.5180.0.0.5586.117
over 80%91.320.0.5.51996.82
total101.610.0.6.018107.61
Western Pre-Alps0-20%1.1450.0.1.2452.331
21-40%0.6700.0.0.6701.148
41-60%3.7240.0.4.7218.415
61-80%4.6210.21005.21910.013
over 80%9.4130.0.14.61024.16
total19.490.210026.3645.83
Central Pre-Alps0-20%0.9440.0.0.6571.535
21-40%2.7260.0.1.4384.021
41-60%5.9170.21002.2288.314
61-80%11.3120.21009.11420.69
over 80%33.070.47135.8669.33
total53.850.85049.05103.62
Eastern Pre-Alps0-20%1.0450.0.0.7571.735
21-40%1.6350.0.0.9492.529
41-60%4.3210.0.3.0267.316
61-80%8.2150.0.5.61913.811
over 80%22.180.65827.0749.74
total37.460.65837.0575.02
Northwestern Alps0-20%2.2300.21001.4373.822
21-40%3.6230.0.1.4375.119
41-60%7.0170.21003.32410.513
61-80%6.0180.6589.11415.710
over 80%11.3122.42817.5931.25
total30.173.52432.7666.33
Central Alps0-20%1.2410.0.0.8502.031
21-40%2.5270.21000.21002.925
41-60%2.4281.0441.0454.420
61-80%4.1210.6582.4287.115
over 80%6.8162.5277.61416.97
total17.194.32011.91033.34
Northeastern Alps0-20%0.4710.0.0.9431.336
21-40%1.8330.0.1.2413.025
41-60%3.1250.4702.2285.717
61-80%3.6230.8514.1228.514
over 80%5.9173.22410.81120.06
total14.9104.32019.2738.43
Southwestern Alps0-20%1.2410.4711.0452.628
21-40%9.6140.21004.82014.611
41-60%9.8141.53811.81223.19
61-80%10.4141.93119.0931.37
over 80%13.0123.62338.1654.74
total44.067.61674.73126.32
Southeastern Alps0-20%2.4290.0.1.6354.022
21-40%9.3150.21008.11517.510
41-60%18.1100.47118.61037.17
61-80%24.292.42925.4852.05
over 80%29.081.43827.0857.45
total83.044.42180.74168.02
Southern Alps0-20%2.6280.4714.0227.017
21-40%7.3160.6584.12111.912
41-60%10.8131.04510.91322.69
61-80%14.3112.62823.1940.06
over 80%18.6107.21678.64104.43
total53.5511.813120.72186.01
Switzerland0-20%16.9111.04512.11330.08
21-40%45.671.24122.7969.55
41-60%80.354.82058.96143.93
61-80%120.249.414108.34237.93
over 80%457.6125.09304.42787.01
total720.6141.37506.411268.30
© WSL, Swiss National Forest Inventory, 18.06.2020 #861539/327870
NFI4
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
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
state2009/17
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%1.5370.0.0.0.1.537
21-40%1.5370.21000.0.1.735
41-60%9.1140.0.0.6589.714
61-80%24.480.8504.32129.57
over 80%76.842.42723.28102.42
total113.323.42328.07144.81
Eastern Jura0-20%0.8470.0.0.0.0.847
21-40%0.21000.0.0.0.0.2100
41-60%1.1450.0.0.4711.537
61-80%4.0220.31000.21004.521
over 80%34.240.0.4.52038.73
total40.330.31005.11945.72
Western Plateau0-20%1.0430.0.0.0.1.043
21-40%0.6570.0.0.0.0.657
41-60%3.6210.0.0.0.3.621
61-80%7.3160.0.0.9508.215
over 80%29.550.0.4.12133.74
total42.030.0.5.01947.02
Central Plateau0-20%0.9480.0.0.21001.143
21-40%0.7560.0.0.0.0.756
41-60%3.8210.0.0.21004.021
61-80%11.6120.0.1.43713.011
over 80%42.540.21007.41550.23
total59.530.21009.21369.01
Eastern Plateau0-20%0.9490.0.0.0.0.949
21-40%2.9250.0.0.0.2.925
41-60%3.0250.0.0.0.3.025
61-80%15.0100.0.0.65815.610
over 80%77.930.0.5.41983.32
total99.620.0.6.018105.61
Western Pre-Alps0-20%0.31000.0.0.31000.670
21-40%0.8570.0.2.1332.828
41-60%3.0270.0.3.0256.018
61-80%4.0220.21008.41512.611
over 80%7.6140.0.10.71118.36
total15.6100.210024.5740.33
Central Pre-Alps0-20%0.8500.0.0.4701.140
21-40%1.0450.0.1.5352.527
41-60%8.8140.0.3.52312.311
61-80%16.3100.65814.71131.57
over 80%21.190.210026.4747.75
total47.950.85046.4595.12
Eastern Pre-Alps0-20%0.21000.0.0.4700.657
21-40%2.7270.0.1.0443.823
41-60%3.6230.0.2.1315.718
61-80%8.1150.21007.01615.310
over 80%18.390.47023.6742.34
total32.960.65834.2667.73
Northwestern Alps0-20%0.0.0.0.1.6341.634
21-40%0.8500.0.1.8332.727
41-60%3.3250.4714.4218.115
61-80%6.6170.4707.71514.710
over 80%6.9162.42814.81024.07
total17.6103.22530.2651.13
Central Alps0-20%0.0.0.21000.0.0.2100
21-40%0.4710.21000.4701.044
41-60%2.5260.0.1.0443.522
61-80%2.9250.8501.9315.617
over 80%3.6211.6355.51610.710
total9.5122.7268.71220.95
Northeastern Alps0-20%0.0.0.0.0.5570.557
21-40%0.9440.0.0.7491.632
41-60%1.5380.21001.6363.225
61-80%1.8330.21004.5206.516
over 80%3.4222.9258.41314.88
total7.6153.32415.8926.65
Southwestern Alps0-20%0.21000.0.0.21000.471
21-40%3.0260.4713.0266.417
41-60%6.3181.63513.61121.59
61-80%8.5153.32424.3836.16
over 80%6.6171.53526.5734.66
total24.586.81667.7499.02
Southeastern Alps0-20%0.4710.0.0.21000.658
21-40%4.6210.0.5.1209.714
41-60%14.0120.47120.4934.87
61-80%20.491.24125.3846.95
over 80%11.2131.43816.81029.47
total50.652.92667.84121.32
Southern Alps0-20%0.21000.21000.4710.850
21-40%0.4710.21001.5352.130
41-60%3.1250.8507.01611.013
61-80%5.3191.24123.6830.17
over 80%11.1137.21660.8479.13
total20.199.61493.33123.12
Switzerland0-20%7.1170.4714.32211.813
21-40%20.4101.04517.31138.77
41-60%66.853.32457.76127.94
61-80%136.249.015124.64269.92
over 80%350.7220.310238.12609.11
total581.2134.17442.021057.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #861540/327871
NFI4
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2009/17
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%1.7350.0.0.0.1.735
21-40%3.0260.21000.0.3.125
41-60%10.4130.0.0.65810.913
61-80%26.980.8504.32131.97
over 80%78.732.42723.78104.92
total120.623.42328.67152.71
Eastern Jura0-20%0.8470.0.0.0.0.847
21-40%0.21000.0.0.0.0.2100
41-60%1.1450.0.0.4711.537
61-80%4.2220.31000.21004.721
over 80%35.740.0.4.52040.23
total42.030.31005.11947.42
Western Plateau0-20%1.0430.0.0.0.1.043
21-40%0.6570.0.0.0.0.657
41-60%4.0200.0.0.0.4.020
61-80%7.7150.0.0.9508.614
over 80%31.050.0.4.12135.14
total44.330.0.5.01949.22
Central Plateau0-20%0.9480.0.0.21001.143
21-40%0.7560.0.0.0.0.756
41-60%4.3200.0.0.21004.420
61-80%11.7120.0.1.43713.111
over 80%42.740.21007.61550.53
total60.320.21009.41369.91
Eastern Plateau0-20%0.9490.0.0.0.0.949
21-40%2.9250.0.0.0.2.925
41-60%3.2240.0.0.0.3.224
61-80%16.0100.0.0.65816.610
over 80%79.920.0.5.41985.32
total102.910.0.6.018108.91
Western Pre-Alps0-20%0.31000.0.0.31000.670
21-40%1.6380.0.2.1333.724
41-60%4.3220.0.3.7238.115
61-80%4.9200.21008.61413.711
over 80%8.2140.0.11.11119.46
total19.490.210025.8745.43
Central Pre-Alps0-20%1.2410.0.0.8501.931
21-40%1.7330.0.1.5353.324
41-60%11.4120.0.3.92215.310
61-80%18.0100.65815.21133.86
over 80%22.790.210027.0749.94
total55.050.85048.45104.22
Eastern Pre-Alps0-20%0.21000.0.0.4700.657
21-40%3.6240.0.1.0444.621
41-60%6.3180.0.2.5288.814
61-80%9.7130.21007.41617.310
over 80%19.690.47024.4744.44
total39.360.65835.8675.82
Northwestern Alps0-20%0.21000.0.1.6341.832
21-40%3.2250.0.2.0315.319
41-60%7.0170.4714.42111.812
61-80%9.5140.6588.11518.29
over 80%9.7132.42816.01028.16
total29.673.52432.1665.23
Central Alps0-20%0.4710.21000.0.0.658
21-40%2.8270.4710.4703.623
41-60%3.3230.21001.8335.318
61-80%5.9171.2412.92510.013
over 80%4.7191.8336.21512.79
total17.193.72211.31032.14
Northeastern Alps0-20%0.0.0.0.0.5570.557
21-40%2.7260.0.0.9443.622
41-60%3.6230.21002.3296.017
61-80%4.8200.21005.0199.913
over 80%5.1183.1249.01317.28
total16.1103.52317.7837.34
Southwestern Alps0-20%1.0450.0.0.6581.635
21-40%8.4150.6584.12213.112
41-60%13.8121.63515.21130.67
61-80%12.8123.52325.9842.26
over 80%10.5131.73328.1740.26
total46.567.41673.93127.82
Southeastern Alps0-20%1.6350.0.0.8502.429
21-40%12.3130.4716.71719.410
41-60%24.491.43824.1849.96
61-80%30.981.43829.4761.65
over 80%18.8101.43819.0939.26
total88.044.62179.94172.52
Southern Alps0-20%2.2300.21001.2413.623
21-40%7.3160.4713.92211.613
41-60%11.4131.24111.91224.58
61-80%12.0131.63529.2742.86
over 80%16.5117.81669.8494.23
total49.4611.213116.03176.62
Switzerland0-20%12.3130.4716.51819.210
21-40%51.062.03222.7975.75
41-60%108.544.92070.85184.33
61-80%175.0310.514139.03324.52
over 80%383.7221.59256.12661.41
total730.5139.37495.111264.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #861541/327872
NFI3
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
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
rockfall SilvaProtectdegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0-20%1.5372.4292.1315.4191.04512.413
21-40%2.9263.5245.02022.295.11938.77
41-60%8.6155.91812.21230.186.01862.95
61-80%18.91014.21123.0935.778.215100.14
over 80%127.42179.2262.9549.0611.713430.21
total159.42205.21105.13142.5332.07644.31
inside perimeter0-20%0.0.0.0.0.0.0.6580.21000.850
21-40%0.0.0.0.0.0.0.21000.6580.850
41-60%0.21000.0.0.21002.6280.6583.624
61-80%0.21000.0.0.4715.9182.6289.115
over 80%3.3240.21001.14511.6136.81723.09
total3.7230.21001.63520.9910.81337.37
outside perimeter0-20%0.0.0.0.2.1315.3192.2309.614
21-40%0.21000.0.2.62914.5123.72220.910
41-60%1.0450.21009.21434.278.91453.56
61-80%3.8231.73319.01056.6520.49101.54
over 80%29.0818.41075.5496.8471.94291.52
total34.0720.39108.33207.32107.13477.11
total0-20%1.5372.4294.22211.3133.42422.99
21-40%3.1253.5247.51636.979.31460.46
41-60%9.9146.11821.5967.0515.511120.04
61-80%22.9915.91142.4698.2431.27210.73
over 80%159.72197.81139.42157.4390.43744.81
total197.11225.71215.11370.81150.021158.71
© WSL, Swiss National Forest Inventory, 18.06.2020 #861542/327873
NFI4
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%1.5370.0.0.0.1.537
21-40%2.7270.21000.0.2.926
41-60%10.1130.0.0.65810.713
61-80%26.180.8504.32131.17
over 80%78.232.42723.68104.22
total118.623.42328.47150.51
Eastern Jura0-20%0.8470.0.0.0.0.847
21-40%0.21000.0.0.0.0.2100
41-60%1.1450.0.0.4711.537
61-80%4.0220.31000.21004.521
over 80%35.140.0.4.52039.63
total41.230.31005.11946.62
Western Plateau0-20%1.0430.0.0.0.1.043
21-40%0.6570.0.0.0.0.657
41-60%3.8210.0.0.0.3.821
61-80%7.7150.0.0.9508.614
over 80%31.050.0.4.12135.14
total44.130.0.5.01949.12
Central Plateau0-20%0.9480.0.0.21001.143
21-40%0.7560.0.0.0.0.756
41-60%4.1200.0.0.21004.220
61-80%11.6120.0.1.43713.011
over 80%42.740.21007.41550.33
total59.920.21009.21369.31
Eastern Plateau0-20%0.9490.0.0.0.0.949
21-40%2.9250.0.0.0.2.925
41-60%3.0250.0.0.0.3.025
61-80%15.7100.0.0.65816.210
over 80%79.130.0.5.41984.62
total101.610.0.6.018107.61
Western Pre-Alps0-20%0.31000.0.0.31000.670
21-40%1.5410.0.2.1333.525
41-60%4.3220.0.3.7238.115
61-80%4.5210.21008.61413.311
over 80%8.0140.0.11.11119.16
total18.690.210025.8744.63
Central Pre-Alps0-20%0.8500.0.0.6571.337
21-40%1.3380.0.1.5352.925
41-60%11.0120.0.3.52314.510
61-80%17.2100.65815.01132.87
over 80%21.790.210026.8748.74
total52.050.85047.45100.22
Eastern Pre-Alps0-20%0.21000.0.0.4700.657
21-40%3.1250.0.1.0444.222
41-60%5.5190.0.2.5288.015
61-80%8.9140.21007.41616.510
over 80%19.090.47024.4743.84
total36.760.65835.8673.22
Northwestern Alps0-20%0.21000.0.1.6341.832
21-40%2.2300.0.2.0314.321
41-60%5.9180.4714.42110.713
61-80%9.3140.6588.11518.09
over 80%9.5142.42815.61027.56
total27.183.52431.7662.33
Central Alps0-20%0.21000.21000.0.0.471
21-40%1.4380.4710.4702.230
41-60%3.3230.21001.8335.318
61-80%5.5181.2412.7269.413
over 80%4.7191.6356.11612.39
total15.1103.52310.91129.64
Northeastern Alps0-20%0.0.0.0.0.5570.557
21-40%2.3280.0.0.9443.223
41-60%2.6270.21002.3295.019
61-80%4.3210.21004.7199.213
over 80%4.9192.9258.61316.58
total14.1103.32417.0834.54
Southwestern Alps0-20%0.8500.0.0.4711.241
21-40%6.0180.4713.92310.314
41-60%11.6131.63515.01128.28
61-80%12.0133.52325.6841.06
over 80%10.1131.73328.1739.86
total40.467.21672.93120.52
Southeastern Alps0-20%1.0450.0.0.6581.635
21-40%8.6150.21006.51715.311
41-60%22.591.24123.7947.36
61-80%30.581.24128.2759.95
over 80%17.9101.43818.6937.86
total80.444.02277.64162.02
Southern Alps0-20%1.2410.21001.2412.628
21-40%6.1180.4713.92210.413
41-60%10.6131.04511.31322.99
61-80%11.0131.63528.4841.06
over 80%15.9117.81669.0492.83
total44.9611.013113.83169.72
Switzerland0-20%9.7140.4715.91816.011
21-40%39.671.63522.3963.65
41-60%99.544.52169.25173.33
61-80%168.3310.314136.04314.62
over 80%377.6221.19253.32652.11
total694.8137.97486.711219.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #861543/327874
NFI3
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
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
rockfall SilvaProtectdegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0-20%1.3402.0311.4383.4240.4718.615
21-40%1.9333.5243.72311.7131.04521.810
41-60%7.6165.71810.21422.192.13047.66
61-80%17.51013.81120.4928.586.31786.45
over 80%125.03176.1261.0543.6610.314416.01
total153.22201.0196.84109.3420.19580.41
inside perimeter0-20%0.0.0.0.0.0.0.6580.21000.850
21-40%0.0.0.0.0.0.0.0.0.4710.471
41-60%0.21000.0.0.21002.4290.4713.225
61-80%0.21000.0.0.4715.1192.0317.716
over 80%3.3240.21001.14511.0136.61722.29
total3.7230.21001.63519.1109.61434.37
outside perimeter0-20%0.0.0.0.1.7354.7211.2417.616
21-40%0.21000.0.2.43011.8131.43815.711
41-60%1.0450.21008.71529.885.21945.06
61-80%3.8231.73318.21051.6617.81093.24
over 80%28.6818.41073.8492.8467.74281.32
total33.6720.39104.93190.7293.33442.82
total0-20%1.3402.0313.1258.7151.93317.011
21-40%2.1313.5246.11823.592.72737.97
41-60%8.8155.91819.11054.467.71595.84
61-80%21.5915.51139.0685.1426.18187.33
over 80%156.92194.61135.92147.4384.63719.41
total190.51221.51203.31319.11123.121057.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #861544/327875
NFI4
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%1.5370.0.0.0.1.537
21-40%2.7270.21000.0.2.926
41-60%10.4130.0.0.65811.013
61-80%26.180.8504.32131.17
over 80%78.632.42723.78104.72
total119.223.42328.67151.31
Eastern Jura0-20%0.8470.0.0.0.0.847
21-40%0.21000.0.0.0.0.2100
41-60%1.1450.0.0.4711.537
61-80%4.0220.31000.21004.521
over 80%35.340.0.4.52039.83
total41.430.31005.11946.82
Western Plateau0-20%1.0430.0.0.0.1.043
21-40%0.6570.0.0.0.0.657
41-60%3.8210.0.0.0.3.821
61-80%7.9150.0.0.9508.814
over 80%31.450.0.4.12135.54
total44.730.0.5.01949.72
Central Plateau0-20%1.1430.0.0.21001.339
21-40%0.7560.0.0.0.0.756
41-60%4.1200.0.0.21004.220
61-80%11.6120.0.1.43713.011
over 80%43.140.21007.61550.93
total60.520.21009.41370.11
Eastern Plateau0-20%0.9490.0.0.0.0.949
21-40%2.9250.0.0.0.2.925
41-60%3.0250.0.0.0.3.025
61-80%15.7100.0.0.65816.210
over 80%79.130.0.5.41984.62
total101.610.0.6.018107.61
Western Pre-Alps0-20%0.5720.0.0.31000.858
21-40%1.6380.0.2.1333.724
41-60%4.3220.0.4.2218.514
61-80%4.7200.21008.61413.511
over 80%8.2140.0.11.11119.46
total19.490.210026.3645.83
Central Pre-Alps0-20%1.1400.0.0.6571.733
21-40%1.3380.0.1.5352.925
41-60%11.6120.0.3.92215.410
61-80%17.4100.65815.21133.26
over 80%22.390.210027.9750.44
total53.850.85049.05103.62
Eastern Pre-Alps0-20%0.4710.0.0.4700.949
21-40%3.3250.0.1.0444.421
41-60%5.5190.0.2.5288.015
61-80%8.9140.21007.61616.810
over 80%19.290.47025.4745.04
total37.460.65837.0575.02
Northwestern Alps0-20%0.21000.0.1.6341.832
21-40%2.4290.0.2.0314.521
41-60%6.5170.4714.42111.313
61-80%10.7130.6588.11519.49
over 80%10.2132.42816.6929.36
total30.173.52432.7666.33
Central Alps0-20%0.6580.21000.0.0.850
21-40%1.4380.4710.4702.230
41-60%3.9210.21002.0316.116
61-80%5.9171.2412.7269.813
over 80%5.3182.4286.81514.58
total17.194.32011.91033.34
Northeastern Alps0-20%0.0.0.0.0.5570.557
21-40%2.3280.0.0.9443.223
41-60%2.8260.21002.7265.718
61-80%4.5200.4735.21910.113
over 80%5.3183.7229.91218.97
total14.9104.32019.2738.43
Southwestern Alps0-20%1.0450.0.0.8501.833
21-40%6.2180.4713.92310.514
41-60%12.8121.63515.61130.07
61-80%13.5123.92226.1843.66
over 80%10.4131.73328.2740.46
total44.067.61674.73126.32
Southeastern Alps0-20%1.0450.0.0.8501.833
21-40%8.6150.4716.91715.911
41-60%23.491.24124.4849.06
61-80%31.971.43828.8762.15
over 80%18.1101.43819.7939.26
total83.044.42180.74168.02
Southern Alps0-20%2.2300.21001.4383.823
21-40%6.9170.4714.12211.413
41-60%12.4121.24112.61226.28
61-80%13.7122.03230.5746.26
over 80%18.3108.01572.0498.33
total53.5511.813120.72186.01
Switzerland0-20%12.3130.4716.71719.410
21-40%41.271.83322.9965.95
41-60%105.644.72073.45183.83
61-80%176.6311.513140.23328.32
over 80%384.9222.99263.12670.91
total720.6141.37506.411268.30
© WSL, Swiss National Forest Inventory, 18.06.2020 #861545/327876
NFI4
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%1.7350.0.0.0.1.735
21-40%3.0260.21000.0.3.125
41-60%10.4130.0.0.65810.913
61-80%26.980.8504.32131.97
over 80%78.732.42723.78104.92
total120.623.42328.67152.71
Eastern Jura0-20%0.8470.0.0.0.0.847
21-40%0.21000.0.0.0.0.2100
41-60%1.1450.0.0.4711.537
61-80%4.2220.31000.21004.721
over 80%35.740.0.4.52040.23
total42.030.31005.11947.42
Western Plateau0-20%1.0430.0.0.0.1.043
21-40%0.6570.0.0.0.0.657
41-60%4.0200.0.0.0.4.020
61-80%7.7150.0.0.9508.614
over 80%31.050.0.4.12135.14
total44.330.0.5.01949.22
Central Plateau0-20%0.9480.0.0.21001.143
21-40%0.7560.0.0.0.0.756
41-60%4.0210.0.0.21004.220
61-80%11.7120.0.1.43713.111
over 80%42.740.21007.61550.53
total60.020.21009.41369.71
Eastern Plateau0-20%0.9490.0.0.0.0.949
21-40%2.9250.0.0.0.2.925
41-60%3.2240.0.0.0.3.224
61-80%16.0100.0.0.65816.610
over 80%79.920.0.5.41985.32
total102.910.0.6.018108.91
Western Pre-Alps0-20%0.31000.0.0.31000.670
21-40%1.6380.0.2.1333.724
41-60%3.5250.0.3.5237.016
61-80%4.7200.21008.61413.511
over 80%8.2140.0.11.11119.46
total18.490.210025.6744.23
Central Pre-Alps0-20%1.2410.0.0.6571.733
21-40%1.7330.0.1.5353.324
41-60%11.0120.0.3.92214.910
61-80%18.0100.65815.21133.86
over 80%22.590.210027.0749.84
total54.450.85048.25103.42
Eastern Pre-Alps0-20%0.21000.0.0.4700.657
21-40%3.4250.0.1.0444.421
41-60%5.5190.0.2.5288.015
61-80%9.7130.21007.41617.310
over 80%19.690.47024.4744.44
total38.360.65835.8674.82
Northwestern Alps0-20%0.0.0.0.1.6341.634
21-40%2.2300.0.2.0314.321
41-60%5.8180.4714.42110.513
61-80%8.9140.6588.11517.69
over 80%8.9142.42816.01027.36
total25.883.52432.1661.43
Central Alps0-20%0.0.0.21000.0.0.2100
21-40%1.6350.4710.4702.428
41-60%2.9250.21001.8334.918
61-80%4.1211.2412.3287.614
over 80%4.1201.8336.01511.99
total12.7103.72210.51126.94
Northeastern Alps0-20%0.0.0.0.0.5570.557
21-40%1.9310.0.0.9442.825
41-60%3.0260.21002.3295.418
61-80%2.9260.21005.0198.014
over 80%3.6223.1249.01315.78
total11.4123.52317.7832.54
Southwestern Alps0-20%1.0450.0.0.6581.635
21-40%7.2170.6584.12211.913
41-60%12.4121.63515.01129.08
61-80%11.1133.52325.9840.66
over 80%8.4151.53528.1737.96
total40.267.21673.73121.12
Southeastern Alps0-20%1.6350.0.0.4712.032
21-40%9.9140.4716.71717.010
41-60%19.4101.24123.3943.96
61-80%24.081.43829.0754.45
over 80%14.6111.43818.4934.46
total69.544.42177.84151.62
Southern Alps0-20%1.2410.21000.8502.230
21-40%5.1190.4713.5239.014
41-60%8.6151.24110.71320.59
61-80%8.6151.43828.2838.26
over 80%14.0117.81666.5488.33
total37.5711.013109.73158.32
Switzerland0-20%10.7140.4715.51916.611
21-40%41.972.03222.3966.25
41-60%94.844.72068.45168.03
61-80%158.7310.314137.03306.02
over 80%371.8221.39252.02645.11
total677.9138.77485.311201.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #861546/327877
NFI3
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
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
rockfall SilvaProtectdegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0-20%1.5372.4292.3306.2181.24113.612
21-40%2.9263.5245.02023.095.31939.77
41-60%9.5146.11812.61230.986.61765.75
61-80%19.31014.81123.4936.778.215102.54
over 80%127.82180.8263.3550.4612.212434.61
total161.02207.61106.53147.4333.67656.11
inside perimeter0-20%0.0.0.0.0.0.0.6580.21000.850
21-40%0.0.0.0.0.0.0.21000.6580.850
41-60%0.21000.0.0.21002.6280.6583.624
61-80%0.21000.0.0.4715.9182.6289.115
over 80%3.3240.21001.14511.8137.01723.49
total3.7230.21001.63521.1911.01337.77
outside perimeter0-20%0.0.0.0.2.1315.3192.2309.614
21-40%0.21000.0.2.82714.5123.72221.210
41-60%1.0450.21009.41434.479.51454.56
61-80%4.0221.73319.71057.0520.89103.14
over 80%29.2818.61076.6498.4472.94295.72
total34.4720.59110.53209.52109.13484.11
total0-20%1.5372.4294.42112.1133.62324.19
21-40%3.1253.5247.81637.779.51461.66
41-60%10.7136.31722.2968.0516.710123.84
61-80%23.5916.51043.5699.6431.67214.63
over 80%160.32199.61141.02160.6392.23753.71
total199.21228.31218.71378.01153.721177.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #861547/327878
NFI4
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2009/17
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%1.7350.0.0.0.1.735
21-40%3.0260.21000.0.3.125
41-60%10.6130.0.0.65811.213
61-80%26.980.8504.32131.97
over 80%79.132.42723.98105.52
total121.223.42328.87153.51
Eastern Jura0-20%0.8470.0.0.0.0.847
21-40%0.21000.0.0.0.0.2100
41-60%1.1450.0.0.4711.537
61-80%4.2220.31000.21004.721
over 80%35.940.0.4.52040.43
total42.230.31005.11947.62
Western Plateau0-20%1.0430.0.0.0.1.043
21-40%0.8490.0.0.0.0.849
41-60%4.0200.0.0.0.4.020
61-80%7.9150.0.0.9508.814
over 80%31.450.0.4.12135.54
total45.130.0.5.01950.12
Central Plateau0-20%1.1430.0.0.21001.339
21-40%0.7560.0.0.0.0.756
41-60%4.3200.0.0.21004.420
61-80%11.7120.0.1.43713.111
over 80%43.140.21007.81551.13
total60.920.21009.61370.71
Eastern Plateau0-20%0.9490.0.0.0.0.949
21-40%2.9250.0.0.0.2.925
41-60%3.2240.0.0.0.3.224
61-80%16.2100.0.0.65816.810
over 80%79.920.0.5.41985.32
total103.110.0.6.018109.11
Western Pre-Alps0-20%0.5720.0.0.31000.858
21-40%1.8350.0.2.1333.923
41-60%4.3220.0.4.2218.514
61-80%5.1190.21008.61413.911
over 80%8.4130.0.11.11119.66
total20.280.210026.3646.63
Central Pre-Alps0-20%1.5350.0.0.8502.328
21-40%1.7330.0.1.5353.324
41-60%12.3120.0.4.12116.410
61-80%18.2100.65815.41134.26
over 80%23.480.210027.9751.54
total57.250.85049.65107.62
Eastern Pre-Alps0-20%0.4710.0.0.4700.949
21-40%3.8230.0.1.0444.820
41-60%6.3180.0.2.5288.814
61-80%9.7130.21007.61617.510
over 80%19.890.47025.4745.64
total40.060.65837.0577.72
Northwestern Alps0-20%0.21000.0.1.6341.832
21-40%3.7230.0.2.0315.718
41-60%7.9160.4714.42112.712
61-80%10.9130.6588.11519.69
over 80%10.6132.42816.6929.76
total33.373.52432.7669.53
Central Alps0-20%0.6580.21000.0.0.850
21-40%2.8270.4710.4703.623
41-60%4.3200.21002.0316.516
61-80%6.7161.2412.92510.812
over 80%5.3182.4286.81514.58
total19.784.32012.11036.14
Northeastern Alps0-20%0.0.0.0.0.5570.557
21-40%2.9250.0.0.9443.821
41-60%3.8230.21002.7266.716
61-80%5.1190.4735.21910.712
over 80%5.9173.7229.91219.67
total17.794.32019.2741.33
Southwestern Alps0-20%1.2410.0.0.8502.032
21-40%9.2150.8504.12214.212
41-60%16.2111.63515.81033.67
61-80%14.7113.92226.4845.05
over 80%11.0131.73328.2741.06
total52.558.01575.33135.82
Southeastern Alps0-20%1.6350.0.1.0452.628
21-40%12.6120.4717.11620.210
41-60%25.881.63524.8852.25
61-80%32.371.43830.0763.65
over 80%19.2101.43819.9940.66
total91.644.82082.94179.22
Southern Alps0-20%3.2250.21001.4384.820
21-40%8.3150.4714.32113.012
41-60%13.9111.24113.01228.28
61-80%14.9112.03230.7747.66
over 80%18.3108.01572.2498.53
total58.7511.813121.72192.11
Switzerland0-20%14.7120.4717.11722.19
21-40%54.462.23023.5980.15
41-60%118.245.12074.65198.03
61-80%184.7311.513142.23338.42
over 80%391.4222.99263.92678.31
total763.4142.27511.311316.80
© WSL, Swiss National Forest Inventory, 18.06.2020 #861548/327879
NFI3
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectdegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0-20%1.5372.4292.3307.4161.83315.411
21-40%2.9263.5245.02026.396.31743.97
41-60%9.5146.11813.61238.079.61476.75
61-80%19.31014.81124.0946.8611.413116.34
over 80%127.82180.8263.9563.1517.210452.91
total161.02207.61108.83181.6346.26705.21
inside perimeter0-20%0.0.0.0.0.0.0.6580.4711.045
21-40%0.0.0.0.0.0.0.21000.6580.850
41-60%0.21000.0.0.21003.0260.6584.022
61-80%0.21000.0.0.4715.9182.6289.115
over 80%3.3240.21001.14512.0137.01723.69
total3.7230.21001.63521.8911.21338.57
outside perimeter0-20%0.0.0.0.2.1315.7192.62810.414
21-40%0.21000.0.2.82715.1114.12122.29
41-60%1.0450.21009.41435.679.91456.16
61-80%4.0221.73320.11057.4521.79104.94
over 80%29.2818.61076.6499.2476.64300.12
total34.4720.59111.03212.92115.03493.81
total0-20%1.5372.4294.42113.7124.82026.99
21-40%3.1253.5247.81641.5711.01366.95
41-60%10.7136.31723.2976.6520.19136.94
61-80%23.5916.51044.56110.1435.77230.33
over 80%160.32199.61141.62174.33100.83776.61
total199.21228.31221.31416.31172.421237.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #861549/327880
NFI3
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
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
rockfall SilvaProtectdegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0-20%1.5352.5262.6265.7181.14113.312
21-40%3.2243.3235.11923.785.11840.47
41-60%9.0146.21712.51230.976.71665.25
61-80%19.6914.91022.8837.277.915102.34
over 80%128.22179.8260.6551.2512.012431.81
total161.52206.61103.53148.7332.87653.11
inside perimeter0-20%0.0.0.0.0.0.0.7500.21000.945
21-40%0.0.0.0.0.0.0.7500.5581.238
41-60%0.21000.0.0.21002.3280.5583.224
61-80%0.21000.0.0.3715.6182.6268.814
over 80%3.2230.21001.93110.8137.31523.39
total3.6220.21002.42820.2911.11237.47
outside perimeter0-20%0.0.0.0.2.4275.4182.0309.813
21-40%0.21000.0.3.02514.0113.52220.79
41-60%0.9450.21008.81433.179.51352.56
61-80%4.0211.63320.8956.1519.79102.14
over 80%28.8719.1977.3499.7474.33299.32
total33.9720.99112.33208.22109.02484.31
total0-20%1.5352.5265.01911.8123.32324.09
21-40%3.3233.3238.11538.579.21362.35
41-60%10.1136.31621.4966.3516.710120.94
61-80%23.7816.51043.9698.9430.37213.23
over 80%160.22199.11139.82161.6293.53754.31
total198.91227.71218.21377.01152.921174.80
© WSL, Swiss National Forest Inventory, 18.06.2020 #861550/327881
NFI3
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectdegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0-20%1.5372.4292.3306.8171.63514.612
21-40%2.9263.5245.02025.496.11842.97
41-60%8.6156.11813.21237.279.21474.35
61-80%18.91014.21123.6945.6611.413113.74
over 80%127.42179.2263.5561.7516.611448.51
total159.42205.41107.53176.8344.96694.11
inside perimeter0-20%0.0.0.0.0.0.0.6580.4711.045
21-40%0.0.0.0.0.0.0.21000.6580.850
41-60%0.21000.0.0.21003.0260.6584.022
61-80%0.21000.0.0.4715.9182.6289.115
over 80%3.3240.21001.14511.8136.81723.29
total3.7230.21001.63521.6911.01338.17
outside perimeter0-20%0.0.0.0.2.1315.7192.62810.414
21-40%0.21000.0.2.62915.1114.12121.99
41-60%1.0450.21009.21435.279.71455.36
61-80%3.8231.73319.41057.0521.49103.34
over 80%29.0818.41075.5497.8476.04296.62
total34.0720.39108.73210.82113.83487.61
total0-20%1.5372.4294.42113.1124.62126.09
21-40%3.1253.5247.51640.7710.81365.65
41-60%9.9146.31722.5975.4519.510133.64
61-80%22.9915.91143.56108.5435.47226.13
over 80%159.72197.81140.02171.3399.53768.31
total197.11225.91217.91409.11169.721219.71
© WSL, Swiss National Forest Inventory, 18.06.2020 #861551/327882
NFI3
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest
grid: terrestrial grid NFI3
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectdegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0-20%1.5352.5262.6266.8161.63314.911
21-40%3.2243.3235.11926.886.01744.36
41-60%9.0146.21713.31137.979.41375.75
61-80%19.6914.91023.7847.7611.112116.94
over 80%128.22179.8261.2564.6516.810450.51
total161.52206.61105.93183.6344.96702.41
inside perimeter0-20%0.0.0.0.0.0.0.7500.4711.141
21-40%0.0.0.0.0.0.0.7500.5581.238
41-60%0.21000.0.0.21002.7260.5583.522
61-80%0.21000.0.0.3715.6182.6268.814
over 80%3.2230.21001.93111.1127.31523.79
total3.6220.21002.42820.9911.31238.37
outside perimeter0-20%0.0.0.0.2.4275.7172.42810.513
21-40%0.21000.0.3.02514.6113.92121.69
41-60%0.9450.21008.81434.379.81354.16
61-80%4.0211.63321.1956.6520.89104.14
over 80%28.8719.1977.34100.4378.03303.72
total33.9720.99112.73211.62114.82493.91
total0-20%1.5352.5265.01913.2114.32026.58
21-40%3.3233.3238.11542.0610.41367.15
41-60%10.1136.31622.3874.9519.79133.33
61-80%23.7816.51045.26109.9434.57229.83
over 80%160.22199.11140.42176.12102.03777.81
total198.91227.71220.91416.11171.011234.61
© WSL, Swiss National Forest Inventory, 18.06.2020 #861552/327883
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