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NFI4
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: protection forest 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
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a< 1%9.0153.0261.9310.6574.1222.32920.910
1-9%60.6523.4917.41011.31320.798.615141.94
10-25%83.7429.5815.1118.01515.2115.619157.13
26-50%73.4514.0127.5163.0266.2182.827106.94
51-75%63.757.7165.0201.3413.3250.85081.75
76-100%65.653.9232.8270.4711.2410.0.73.95
total356.0181.4449.7524.5850.6520.19582.41
inside perimeter< 1%0.21001.0452.3291.1413.0261.2418.815
1-9%1.4387.3163.52311.3125.7186.01835.37
10-25%1.0456.3174.2228.2154.7202.72627.08
26-50%1.0452.6281.8332.1302.3292.03111.913
51-75%0.21001.4381.6350.0.1.0440.0.4.322
76-100%0.8501.1450.6580.21000.21000.0.2.927
total4.72019.81014.01122.9817.01011.91290.24
outside perimeter< 1%0.4712.8273.5233.1256.2186.31722.39
1-9%9.51423.2913.61122.0923.2846.25137.73
10-25%15.11128.0813.61116.01014.91124.98112.54
26-50%12.81217.51012.5128.1156.5179.81467.25
51-75%8.7158.1165.2192.4292.8272.82729.98
76-100%5.0205.6193.1250.0.0.21001.24115.111
total51.4685.3451.5551.6553.7591.13384.62
total< 1%9.6146.8177.7154.81913.2129.81451.96
1-9%71.5553.9534.5744.5549.5560.84314.82
10-25%99.8463.8532.9732.1734.8733.17296.52
26-50%87.2434.1721.8913.31215.01114.611186.03
51-75%72.6517.21011.8123.6237.1163.523115.94
76-100%71.4510.6146.5170.6581.6351.24191.94
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 18.06.2020 #862250/328581
NFI3
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a< 1%15.9102.4282.5260.5580.9450.55822.89
1-9%68.2525.3817.8911.11221.999.613154.03
10-25%92.5429.5716.91013.21121.6911.712185.33
26-50%77.8420.9912.4127.21512.1127.515137.83
51-75%57.458.4145.5183.8225.6172.72683.34
76-100%58.054.7204.2200.9453.0240.94571.75
total369.7191.1459.4536.8665.1432.87654.91
inside perimeter< 1%0.5580.3711.0410.5571.0410.21003.622
1-9%1.4356.7165.0189.9137.7155.21836.07
10-25%0.9447.4153.3237.3155.8175.01829.88
26-50%1.1413.9213.0245.1183.8212.32819.29
51-75%0.5581.2381.8320.9451.2381.2386.916
76-100%0.21001.8320.4710.21000.21000.21002.925
total4.71921.5914.51023.9819.7914.11198.54
outside perimeter< 1%2.3283.3231.9302.0303.1242.92515.411
1-9%7.51518.7915.51018.5922.5839.76122.43
10-25%15.31134.3714.71017.9917.61036.86136.63
26-50%14.31120.6913.51111.21212.01215.51087.04
51-75%7.6159.0146.8163.6223.4237.81538.17
76-100%5.2185.7174.8190.9451.7323.22321.69
total52.1591.6357.1454.0460.34106.03421.12
total< 1%18.7106.0175.5173.0245.0193.62241.96
1-9%77.1450.7538.3639.6652.1554.55312.42
10-25%108.7471.2434.8638.4645.0553.65351.72
26-50%93.2445.4628.9723.5827.9725.28244.12
51-75%65.5518.6914.1118.21410.21311.712128.34
76-100%63.4512.2129.4131.9305.0194.32096.24
total426.61204.21131.02114.72145.12152.921174.50
© WSL, Swiss National Forest Inventory, 18.06.2020 #862251/328582
NFI4
forest area
avalanches SilvaProtect · regeneration cover
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
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a< 1%10.2143.6232.9261.6355.1204.12227.58
1-9%65.9527.6820.6918.91026.3815.911175.03
10-25%86.5435.3717.81011.21320.499.914181.03
26-50%75.6518.31010.7135.31910.2145.519125.64
51-75%65.559.7146.6172.7285.7181.53591.84
76-100%67.454.3223.6230.6581.8330.65878.35
total371.1198.8462.2540.2669.5437.57679.31
inside perimeter< 1%0.21001.0452.3291.1413.2251.4389.215
1-9%1.4387.5163.72312.1126.7176.61738.17
10-25%1.0456.5174.8208.2155.3193.02528.88
26-50%1.0452.8272.0322.3292.5282.23012.912
51-75%0.21001.4381.8330.0.1.4380.0.4.920
76-100%0.8501.3410.6580.21000.21000.21003.325
total4.72020.6915.21123.9819.4913.41197.24
outside perimeter< 1%0.4712.8273.9223.3246.8176.71723.89
1-9%9.51424.3914.41124.4826.7853.65152.93
10-25%15.71129.4815.61117.41016.31028.88123.24
26-50%12.91218.41013.9119.4148.91513.11276.65
51-75%8.7158.7155.8182.6283.8233.72333.38
76-100%5.0205.8193.3240.0.0.21001.43815.711
total52.2689.4456.9557.0462.74107.33425.52
total< 1%10.8137.4169.1146.11815.01112.11260.66
1-9%76.8559.4538.7655.3559.7576.14366.02
10-25%103.2471.3538.1636.7642.0641.76333.02
26-50%89.5439.4726.6817.01021.7920.89215.13
51-75%74.4519.81014.2115.31911.0135.319129.94
76-100%73.1511.4137.6160.8502.3302.23097.34
total427.91208.71134.32121.12151.62158.321201.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #862252/328583
NFI3
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a< 1%15.3112.0322.7260.21001.0450.65821.89
1-9%67.3525.9817.1109.81421.799.114151.03
10-25%92.3429.4815.91112.61221.2911.213182.73
26-50%76.1521.9912.2127.81611.1137.316136.54
51-75%57.368.8155.4193.2255.4192.82782.95
76-100%58.054.7214.1210.6583.0261.04571.55
total366.3192.7457.4534.3763.5532.07646.31
inside perimeter< 1%0.6580.4711.0450.6571.1410.21003.922
1-9%1.2416.7175.11910.1136.8175.01934.97
10-25%1.0446.4173.5237.7155.6194.72029.08
26-50%1.0444.2222.8264.1214.1222.32918.510
51-75%0.6581.2411.8331.0451.1411.0456.817
76-100%0.21001.5380.4710.21000.21000.21002.728
total4.72020.4914.61123.7819.01013.41195.84
outside perimeter< 1%2.0323.3252.2302.2303.3252.23015.011
1-9%7.71617.31014.21118.7921.7938.96118.64
10-25%14.91133.2715.01119.1918.81037.26138.24
26-50%14.71120.8913.31211.21312.01215.41187.55
51-75%7.3167.6166.2183.6233.0267.61635.37
76-100%5.2206.1184.7201.0451.6353.22521.710
total51.8688.3455.5555.8460.35104.53416.32
total< 1%17.8105.7195.8182.9265.4193.02640.77
1-9%76.3549.9636.3638.7650.2553.05304.52
10-25%108.2469.0534.4739.5645.7653.05349.92
26-50%91.8447.0628.3823.1827.2825.18242.53
51-75%65.2517.61013.4127.8169.51411.413124.94
76-100%63.4512.2139.3141.8334.8204.42195.94
total422.81201.41127.52113.82142.82150.021158.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #862253/328584
NFI3
forest area
avalanches SilvaProtect · regeneration cover
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
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a< 1%16.1112.4292.7260.21001.0450.65823.09
1-9%68.3526.1817.51010.81322.199.914154.83
10-25%93.8430.4816.71012.61221.8911.613187.13
26-50%76.3522.3912.4127.81611.5137.716138.14
51-75%57.558.8155.4193.2255.4192.82783.15
76-100%58.254.9204.1210.6583.2251.04572.15
total370.3194.9458.8535.3765.1533.67658.11
inside perimeter< 1%0.6580.4711.0450.6571.1410.21003.922
1-9%1.2416.7175.11910.1137.0175.21935.37
10-25%1.0446.6173.5237.7155.8184.72029.48
26-50%1.0444.2222.8264.1214.1222.52818.710
51-75%0.6581.2411.8331.0451.1411.0456.817
76-100%0.21001.5380.4710.21000.21000.21002.728
total4.72020.6914.61123.7819.4913.81196.84
outside perimeter< 1%2.2303.3252.2302.2303.5242.23015.411
1-9%7.71618.31015.01118.7922.1939.36121.24
10-25%15.11133.4715.01119.1918.81037.96139.43
26-50%14.91121.1913.91111.21312.01215.81188.95
51-75%7.3168.0166.2183.6233.0267.61635.77
76-100%5.2206.1184.7201.0451.7333.42422.19
total52.4690.1457.0555.8461.15106.33422.72
total< 1%18.9106.1185.8182.9265.6193.02642.37
1-9%77.3551.1637.6639.7651.2554.45311.32
10-25%110.0470.4535.3739.5646.5654.25355.82
26-50%92.2447.6629.1723.1827.6826.18245.83
51-75%65.4518.01013.4127.8169.51411.413125.54
76-100%63.6512.4139.3141.8335.2194.62196.84
total427.31205.61130.42114.82145.62153.721177.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #862254/328585
NFI3
forest area
avalanches SilvaProtect · regeneration cover
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
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%7.2160.6581.5359.314
1-9%22.591.2415.31928.98
10-25%34.871.0448.21544.06
26-50%23.881.0446.11730.97
51-75%16.6100.6583.62320.89
76-100%13.9110.21002.62816.710
total118.624.62027.27150.51
Eastern Jura< 1%2.2310.0.0.0.2.231
1-9%6.5170.0.0.8507.316
10-25%9.4140.0.1.04410.413
26-50%7.3160.0.1.5388.814
51-75%5.0200.0.0.21005.219
76-100%12.1110.0.0.65812.711
total42.430.0.4.12246.62
Western Plateau< 1%1.5370.0.0.21001.735
1-9%7.4150.0.0.4717.815
10-25%11.7120.0.1.73513.411
26-50%10.6130.0.2.03112.611
51-75%8.4150.0.0.21008.614
76-100%4.4200.0.0.4714.819
total44.130.0.5.01949.12
Central Plateau< 1%1.1400.0.0.21001.338
1-9%11.5120.0.0.85012.311
10-25%14.8100.0.2.92517.79
26-50%13.6110.0.4.02117.69
51-75%10.0130.0.1.04410.912
76-100%8.8140.0.0.6589.413
total59.730.0.9.41369.11
Eastern Plateau< 1%3.6230.0.0.0.3.623
1-9%19.390.0.0.47119.79
10-25%21.490.0.1.04522.48
26-50%20.990.0.0.94521.99
51-75%17.7100.0.2.13019.89
76-100%19.190.0.1.04520.19
total102.110.0.5.519107.61
Western Pre-Alps< 1%0.4710.0.0.9451.338
1-9%5.0191.5365.21911.711
10-25%4.4211.4385.51911.412
26-50%5.9181.1416.01813.111
51-75%1.7360.4702.3304.421
76-100%0.21000.0.1.3381.535
total17.694.52021.3843.33
Central Pre-Alps< 1%1.0450.4701.3412.728
1-9%12.8121.8336.81721.49
10-25%17.8101.73517.41036.96
26-50%12.3120.85011.01324.28
51-75%5.3190.4703.0268.615
76-100%2.0320.6583.1265.719
total51.255.61842.6599.42
Eastern Pre-Alps< 1%1.3380.21000.9442.427
1-9%9.5141.1409.21419.89
10-25%10.9130.4708.91420.29
26-50%8.6150.6587.81617.010
51-75%3.4240.4713.9227.716
76-100%2.3300.0.2.9265.219
total36.162.72633.5672.32
Northwestern Alps< 1%0.6580.0.0.9451.535
1-9%8.1153.4245.21916.710
10-25%7.1163.52410.41321.08
26-50%3.7232.3304.22210.213
51-75%1.9330.4712.3294.621
76-100%2.4290.8501.7354.920
total23.7810.41324.8758.93
Central Alps< 1%0.6580.0.0.4710.944
1-9%4.1212.7261.3378.214
10-25%3.1241.1403.0257.214
26-50%2.4280.8502.0315.118
51-75%1.0440.6581.2402.826
76-100%1.0440.0.0.21001.240
total12.1115.2188.11325.44
Northeastern Alps< 1%0.8510.9510.8512.528
1-9%3.4231.2413.4237.914
10-25%1.9312.1323.1247.015
26-50%1.4371.3373.5226.216
51-75%1.0450.8501.1402.925
76-100%0.9440.4721.9333.224
total9.5136.61613.81029.85
Southwestern Alps< 1%0.21000.6572.2302.926
1-9%9.81410.11318.7938.76
10-25%12.6127.71519.1939.56
26-50%7.8164.12111.21323.18
51-75%3.2251.0453.6237.816
76-100%0.6580.21001.0451.833
total34.3723.7855.84113.82
Southeastern Alps< 1%1.0451.1413.3255.419
1-9%21.796.81721.7950.25
10-25%21.295.61918.81045.76
26-50%11.1134.12212.01227.28
51-75%5.4191.1413.0269.514
76-100%3.0260.21001.6354.820
total63.5519.01060.35142.82
Southern Alps< 1%0.6580.21002.2303.026
1-9%9.1145.01938.9653.05
10-25%11.2134.72037.2653.05
26-50%7.3162.32915.41125.18
51-75%2.8271.0457.61611.413
76-100%1.0450.21003.2254.421
total32.0713.411104.53150.02
Switzerland< 1%22.193.92214.81140.87
1-9%150.6334.87118.24303.62
10-25%182.4329.28138.24349.82
26-50%136.8418.41087.75242.93
51-75%83.356.71735.17125.04
76-100%71.852.72822.01096.44
total646.9195.74415.921158.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #862255/328586
NFI3
forest area
avalanches SilvaProtect · regeneration cover
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
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%6.1180.6581.5358.315
1-9%20.491.2415.31926.88
10-25%33.871.0447.91542.86
26-50%23.291.0446.11730.37
51-75%16.6100.6583.42320.69
76-100%13.3120.21002.62816.111
total113.324.62026.88144.81
Eastern Jura< 1%2.2310.0.0.0.2.231
1-9%6.3170.0.0.8507.116
10-25%9.4140.0.1.04410.413
26-50%7.1160.0.1.5388.614
51-75%5.0200.0.0.21005.219
76-100%11.6120.0.0.65812.211
total41.630.0.4.12245.72
Western Plateau< 1%1.5370.0.0.21001.735
1-9%7.2160.0.0.4717.615
10-25%10.9130.0.1.73512.611
26-50%10.4130.0.2.03112.411
51-75%7.8150.0.0.21008.015
76-100%4.2210.0.0.4714.620
total42.030.0.5.01947.02
Central Plateau< 1%0.9440.0.0.21001.141
1-9%11.5120.0.0.85012.311
10-25%14.8100.0.2.92517.79
26-50%13.6110.0.4.02117.69
51-75%10.0130.0.1.04410.912
76-100%8.8140.0.0.6589.413
total59.530.0.9.41369.01
Eastern Plateau< 1%3.6230.0.0.0.3.623
1-9%19.190.0.0.47119.59
10-25%21.290.0.1.04522.38
26-50%20.290.0.0.94521.19
51-75%17.0100.0.2.13019.19
76-100%19.190.0.1.04520.19
total100.220.0.5.519105.61
Western Pre-Alps< 1%0.4710.0.0.9451.338
1-9%5.0191.5365.21911.711
10-25%4.1221.2415.31910.613
26-50%4.4211.1415.81811.312
51-75%1.7360.4701.9343.922
76-100%0.21000.0.1.3381.535
total15.6104.32120.4840.33
Central Pre-Alps< 1%1.0450.4701.3412.728
1-9%11.8121.8336.61720.29
10-25%16.4101.73517.31035.36
26-50%11.7130.85010.71323.28
51-75%4.9200.4703.0268.215
76-100%2.0320.6582.9275.519
total47.955.61841.6595.12
Eastern Pre-Alps< 1%0.9440.21000.9442.030
1-9%8.3151.1408.71418.19
10-25%10.5130.4708.71419.59
26-50%8.0150.6587.31615.910
51-75%3.2250.4713.9227.516
76-100%2.1310.0.2.7274.720
total32.962.72632.1667.73
Northwestern Alps< 1%0.6580.0.0.9451.535
1-9%6.0183.2245.01914.211
10-25%5.3193.52410.21319.09
26-50%2.9262.1313.7238.715
51-75%1.2410.4712.1313.823
76-100%1.6350.8501.5373.922
total17.61010.01323.5851.13
Central Alps< 1%0.6580.0.0.4710.944
1-9%3.1242.5271.1406.715
10-25%3.1241.1402.6276.815
26-50%1.4370.6571.4363.323
51-75%0.8490.6581.0442.428
76-100%0.6580.0.0.21000.850
total9.5124.8186.71520.95
Northeastern Alps< 1%0.8510.9510.8512.528
1-9%3.4231.0453.0257.414
10-25%1.2412.1322.9246.117
26-50%1.2401.3373.2245.617
51-75%0.4720.8500.9442.130
76-100%0.5580.4721.9332.926
total7.6156.41612.71026.65
Southwestern Alps< 1%0.0.0.6571.7332.329
1-9%7.21610.11317.61034.96
10-25%8.9147.11617.71033.87
26-50%5.8184.12110.21320.19
51-75%2.2300.8503.4246.417
76-100%0.4710.21001.0451.635
total24.5822.9851.6599.02
Southeastern Alps< 1%0.8500.9453.3255.020
1-9%18.7106.01821.1945.85
10-25%19.2105.61915.71140.56
26-50%7.9153.52310.41321.89
51-75%2.8260.9452.1305.818
76-100%1.2410.0.1.2412.329
total50.6517.01053.75121.32
Southern Alps< 1%0.4710.21002.2302.826
1-9%5.8184.62035.4645.85
10-25%7.9164.12232.9744.96
26-50%3.6232.23013.21219.010
51-75%1.6350.8505.1197.516
76-100%0.8500.0.2.2303.026
total20.1911.91291.13123.12
Switzerland< 1%19.9103.72314.41238.07
1-9%133.6433.07111.34278.02
10-25%166.6327.88127.84322.32
26-50%121.3417.21180.55218.93
51-75%75.156.11830.38111.44
76-100%66.552.33020.01088.74
total583.0190.14384.321057.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #862256/328587
NFI4
forest area
avalanches SilvaProtect · regeneration cover
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
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%1.6350.21000.21002.131
1-9%24.981.4385.81832.17
10-25%29.371.0458.91439.26
26-50%21.991.0454.82027.78
51-75%19.0100.21004.22123.59
76-100%16.5100.8502.92620.29
total113.324.62026.88144.81
Eastern Jura< 1%1.1450.0.0.21001.341
1-9%5.6180.0.0.8506.417
10-25%6.8170.0.1.5388.415
26-50%9.9130.0.0.65810.513
51-75%7.0160.0.0.0.7.016
76-100%11.2120.0.1.04412.211
total41.630.0.4.12245.72
Western Plateau< 1%0.8500.0.0.0.0.850
1-9%9.4130.0.0.4719.813
10-25%12.5110.0.1.73514.111
26-50%8.8140.0.1.83310.612
51-75%6.1170.0.0.9507.016
76-100%4.4200.0.0.21004.620
total42.030.0.5.01947.02
Central Plateau< 1%2.1300.0.0.0.2.130
1-9%9.5130.0.1.93111.512
10-25%12.9110.0.2.32815.310
26-50%13.0110.0.3.62216.610
51-75%11.5120.0.1.24112.711
76-100%10.4130.0.0.47010.812
total59.530.0.9.41369.01
Eastern Plateau< 1%3.3230.0.0.0.3.323
1-9%11.6120.0.0.47112.012
10-25%22.380.0.0.65822.98
26-50%19.690.0.1.73321.39
51-75%20.190.0.2.42922.58
76-100%23.280.0.0.47123.68
total100.220.0.5.519105.61
Western Pre-Alps< 1%1.3380.0.1.6362.826
1-9%3.7231.6334.6209.913
10-25%5.1202.1316.41713.511
26-50%2.7270.6593.7237.016
51-75%2.5290.0.2.6285.120
76-100%0.4700.0.1.5381.933
total15.6104.32120.4840.33
Central Pre-Alps< 1%1.2410.21000.7502.130
1-9%13.8112.2309.71425.78
10-25%18.1101.83315.11135.06
26-50%8.2150.7589.91418.710
51-75%4.1210.4713.4257.915
76-100%2.4290.4712.9275.719
total47.955.61841.6595.12
Eastern Pre-Alps< 1%1.1400.7502.2284.020
1-9%9.9140.6587.91518.49
10-25%10.4130.21008.91419.59
26-50%5.2190.6587.51613.312
51-75%4.2220.4703.7238.315
76-100%2.1310.21001.9314.222
total32.962.72632.1667.73
Northwestern Alps< 1%0.4700.8500.3701.535
1-9%5.6183.4248.81417.89
10-25%6.7172.7276.81716.210
26-50%2.9261.5384.1228.415
51-75%1.0441.0442.2304.321
76-100%1.0450.6581.3412.926
total17.61010.01323.5851.13
Central Alps< 1%0.0.0.4710.4710.850
1-9%3.6221.7321.5346.914
10-25%3.5221.3372.0316.815
26-50%1.6340.9442.2294.719
51-75%0.6570.4710.4681.437
76-100%0.21000.0.0.21000.471
total9.5124.8186.71520.95
Northeastern Alps< 1%0.8511.3410.7502.726
1-9%3.8221.3414.0219.113
10-25%1.3382.4272.9256.716
26-50%0.8510.21002.9243.921
51-75%0.4700.8501.2412.328
76-100%0.5580.4720.9441.931
total7.6156.41612.71026.65
Southwestern Alps< 1%0.6571.1413.1254.819
1-9%11.31311.31222.0944.55
10-25%8.0158.21516.01032.17
26-50%3.0262.1308.11513.312
51-75%1.3410.0.2.4293.623
76-100%0.4710.21000.0.0.658
total24.5822.9851.6599.02
Southeastern Alps< 1%4.1223.0266.21813.212
1-9%20.795.71823.2849.55
10-25%15.2114.72014.91134.87
26-50%6.2182.3296.51715.011
51-75%3.3251.0442.8277.116
76-100%1.2410.21000.21001.635
total50.6517.01053.75121.32
Southern Alps< 1%2.3291.2416.3179.814
1-9%8.6156.01846.2560.84
10-25%5.6192.72624.9833.17
26-50%2.8272.0319.81414.611
51-75%0.8500.0.2.8273.523
76-100%0.0.0.0.1.2411.241
total20.1911.91291.13123.12
Switzerland< 1%20.8108.91521.9951.66
1-9%141.9435.27137.23314.42
10-25%157.7327.08112.74297.42
26-50%106.7412.01367.25185.83
51-75%81.954.22230.18116.24
76-100%74.052.82715.11292.04
total583.0190.14384.321057.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #862257/328588
NFI4
forest area
avalanches SilvaProtect · regeneration cover
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
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%2.0310.21000.21002.529
1-9%27.881.4385.81835.07
10-25%30.371.0459.31440.66
26-50%22.591.0454.82028.38
51-75%19.3100.21004.22123.78
76-100%16.7100.8502.92620.49
total118.624.62027.27150.51
Eastern Jura< 1%1.1450.0.0.21001.341
1-9%5.6180.0.0.8506.417
10-25%6.8170.0.1.5388.415
26-50%10.4130.0.0.65811.012
51-75%7.1160.0.0.0.7.116
76-100%11.4120.0.1.04412.411
total42.430.0.4.12246.62
Western Plateau< 1%1.0440.0.0.0.1.044
1-9%10.2130.0.0.47110.613
10-25%12.7110.0.1.73514.310
26-50%9.2140.0.1.83311.012
51-75%6.5170.0.0.9507.416
76-100%4.4200.0.0.21004.620
total44.130.0.5.01949.12
Central Plateau< 1%2.1300.0.0.0.2.130
1-9%9.7130.0.1.93111.612
10-25%12.9110.0.2.32815.310
26-50%13.0110.0.3.62216.610
51-75%11.5120.0.1.24112.711
76-100%10.4130.0.0.47010.812
total59.730.0.9.41369.11
Eastern Plateau< 1%3.5230.0.0.0.3.523
1-9%12.0120.0.0.47112.412
10-25%22.580.0.0.65823.18
26-50%19.690.0.1.73321.39
51-75%20.790.0.2.42923.08
76-100%23.880.0.0.47124.28
total102.110.0.5.519107.61
Western Pre-Alps< 1%1.3380.0.1.6362.826
1-9%3.7231.6334.91910.113
10-25%5.8182.1317.01614.910
26-50%3.1250.6593.7237.416
51-75%3.2260.0.2.6285.918
76-100%0.4700.21001.5382.132
total17.694.52021.3843.33
Central Pre-Alps< 1%1.4380.21000.7502.329
1-9%15.2112.2309.91427.28
10-25%18.9101.83315.31135.96
26-50%9.0140.75810.11419.79
51-75%4.3210.4713.6248.315
76-100%2.4290.4713.1266.018
total51.255.61842.6599.42
Eastern Pre-Alps< 1%1.8330.7502.4274.919
1-9%10.8130.6588.31419.69
10-25%11.0130.21009.31420.59
26-50%5.8180.6587.91514.411
51-75%4.4210.4703.7238.515
76-100%2.3300.21001.9314.521
total36.162.72633.5672.32
Northwestern Alps< 1%0.6580.8500.3701.733
1-9%7.5163.6238.81419.89
10-25%8.3152.9267.41618.69
26-50%4.7201.5384.52110.613
51-75%1.4381.0442.4284.920
76-100%1.2410.6581.3413.126
total23.7810.41324.8758.93
Central Alps< 1%0.0.0.4710.4710.850
1-9%4.0211.7321.5347.314
10-25%4.1211.5352.6278.213
26-50%2.8260.9443.0256.716
51-75%0.8500.6580.4681.833
76-100%0.4710.0.0.21000.658
total12.1115.2188.11325.44
Northeastern Alps< 1%0.8511.3410.9442.925
1-9%4.1211.5384.2219.812
10-25%1.7332.4273.5237.615
26-50%1.2410.21002.9244.320
51-75%1.1400.8501.3373.223
76-100%0.5580.4720.9441.931
total9.5136.61613.81029.85
Southwestern Alps< 1%0.8501.1413.3245.319
1-9%17.21011.91224.0853.15
10-25%9.8148.21517.21035.16
26-50%4.1222.3298.71515.211
51-75%1.9330.0.2.6284.421
76-100%0.6580.21000.0.0.850
total34.3723.7855.84113.82
Southeastern Alps< 1%5.1203.2256.41714.611
1-9%23.596.71725.7855.95
10-25%18.6105.11915.91139.66
26-50%9.2142.3298.71520.39
51-75%5.3191.4383.42410.214
76-100%1.8330.21000.21002.330
total63.5519.01060.35142.82
Southern Alps< 1%2.9261.4386.71710.913
1-9%13.9126.61752.6573.14
10-25%9.1143.02527.4839.56
26-50%4.6212.23012.91219.710
51-75%1.2410.0.3.5234.720
76-100%0.4710.21001.4381.931
total32.0713.411104.53150.02
Switzerland< 1%24.499.31523.1956.76
1-9%165.0337.87149.33352.12
10-25%172.7328.28120.94321.82
26-50%119.3412.41374.95206.63
51-75%88.844.82032.38125.84
76-100%76.953.22515.51195.64
total646.9195.74415.921158.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #862258/328589
NFI3
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%7.3150.5581.9309.813
1-9%22.781.4354.91929.17
10-25%35.260.9448.31444.45
26-50%24.880.9445.91731.67
51-75%16.7100.5583.62120.89
76-100%14.1110.21002.32816.610
total120.824.52027.07152.31
Eastern Jura< 1%2.0310.0.0.0.2.031
1-9%6.5160.0.0.8507.315
10-25%9.2130.0.1.14110.312
26-50%7.1150.0.1.3388.414
51-75%4.9190.0.0.21005.118
76-100%12.4110.0.0.94413.310
total42.230.0.4.32046.52
Western Plateau< 1%1.8330.0.0.21002.031
1-9%8.3140.0.0.4718.713
10-25%11.5110.0.1.73313.210
26-50%10.6120.0.2.03012.611
51-75%8.2140.0.0.4718.614
76-100%4.1200.0.0.4714.519
total44.530.0.5.01849.62
Central Plateau< 1%1.3350.0.0.21001.533
1-9%11.4110.0.0.75012.111
10-25%15.490.0.3.12318.58
26-50%13.8100.21003.92017.99
51-75%10.0120.0.1.13711.211
76-100%8.9130.0.0.7509.612
total60.920.21009.61270.71
Eastern Plateau< 1%3.7220.0.0.0.3.722
1-9%19.390.0.0.75020.09
10-25%21.180.0.0.94522.08
26-50%21.380.0.1.04122.38
51-75%17.790.0.2.12919.89
76-100%18.890.0.0.94519.69
total101.810.0.5.617107.51
Western Pre-Alps< 1%0.3710.0.1.0411.435
1-9%5.0181.5334.91811.511
10-25%4.6191.3386.41612.311
26-50%5.5181.2386.01612.711
51-75%1.7330.4702.7264.819
76-100%0.4710.21001.2381.832
total17.584.61922.3744.33
Central Pre-Alps< 1%1.3380.3701.3382.925
1-9%12.9111.8327.11521.88
10-25%17.3102.03018.1937.56
26-50%11.7120.75010.61323.18
51-75%4.9190.3703.7229.014
76-100%2.0300.8503.1245.917
total50.156.01744.15100.22
Eastern Pre-Alps< 1%1.3350.21000.8442.326
1-9%9.2131.13710.41220.88
10-25%11.2120.3709.01320.58
26-50%8.7140.7507.71517.19
51-75%3.4230.4714.2207.914
76-100%2.0300.0.3.1245.118
total35.862.62535.3573.72
Northwestern Alps< 1%0.6500.0.0.8451.533
1-9%7.4153.3226.41617.29
10-25%7.6154.32010.01221.88
26-50%3.7222.0304.32010.113
51-75%1.8310.5582.5264.819
76-100%2.3280.9451.4354.619
total23.4811.01225.6760.03
Central Alps< 1%0.5580.21000.3711.040
1-9%4.4192.9241.4348.713
10-25%3.4221.1402.8257.214
26-50%2.5260.7501.9315.118
51-75%1.1400.7501.5353.322
76-100%0.9440.0.0.21001.140
total12.8105.5178.11326.44
Northeastern Alps< 1%0.7510.8500.7512.228
1-9%4.0201.0413.3228.413
10-25%2.2272.0302.8247.015
26-50%1.4351.4333.9206.615
51-75%1.1410.7501.2372.924
76-100%1.4350.4721.7333.522
total10.8116.21613.6930.74
Southwestern Alps< 1%0.5580.5572.0303.024
1-9%11.1129.91318.5939.66
10-25%13.2117.31517.9938.46
26-50%7.2155.11811.21223.58
51-75%3.8220.9453.6228.214
76-100%0.9450.21000.9451.930
total36.8623.9854.04114.72
Southeastern Alps< 1%0.9451.0413.1245.019
1-9%21.997.71522.5852.15
10-25%21.695.81717.61045.05
26-50%12.1123.82112.01227.97
51-75%5.6171.2383.42310.213
76-100%3.0240.21001.7325.019
total65.1419.7960.34145.12
Southern Alps< 1%0.5580.21002.9253.622
1-9%9.6135.21839.7654.55
10-25%11.7125.01836.8653.65
26-50%7.5152.32815.51025.28
51-75%2.7261.2387.81511.712
76-100%0.9450.21003.2234.320
total32.8714.111106.03152.92
Switzerland< 1%23.093.72215.31142.06
1-9%153.9336.07121.93311.72
10-25%185.1330.08136.63351.72
26-50%137.9319.0987.24244.12
51-75%83.446.81638.07128.24
76-100%72.152.92521.8996.94
total655.5198.44420.721174.60
© WSL, Swiss National Forest Inventory, 18.06.2020 #862259/328590
NFI3
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%7.4160.6581.7339.714
1-9%23.291.2415.31929.78
10-25%35.271.0448.41544.66
26-50%23.881.0446.11730.97
51-75%16.6100.6583.62320.89
76-100%14.1110.21002.62816.810
total120.224.62027.67152.51
Eastern Jura< 1%2.2310.0.0.0.2.231
1-9%6.5170.0.0.8507.316
10-25%9.4140.0.1.04410.413
26-50%7.3160.0.1.5388.814
51-75%5.0200.0.0.21005.219
76-100%12.1110.0.0.65812.711
total42.430.0.4.12246.62
Western Plateau< 1%1.7350.0.0.21001.933
1-9%7.4150.0.0.4717.815
10-25%11.9120.0.1.73513.711
26-50%10.8120.0.2.22913.011
51-75%8.4150.0.0.21008.614
76-100%4.4200.0.0.4714.819
total44.730.0.5.21949.92
Central Plateau< 1%1.3380.0.0.21001.535
1-9%11.5120.0.0.85012.311
10-25%15.6100.0.2.92518.59
26-50%13.6110.0.4.02117.69
51-75%10.2130.0.1.04411.112
76-100%8.8140.0.0.6589.413
total60.920.0.9.41370.31
Eastern Plateau< 1%3.8230.0.0.0.3.823
1-9%19.590.0.0.47119.99
10-25%21.680.0.1.04522.68
26-50%20.990.0.0.94521.99
51-75%17.7100.0.2.13019.89
76-100%19.190.0.1.04520.19
total102.710.0.5.519108.11
Western Pre-Alps< 1%0.4710.0.0.9451.338
1-9%5.2191.5365.21911.911
10-25%4.4211.4385.81811.712
26-50%6.1181.1416.01813.311
51-75%1.7360.4702.5294.621
76-100%0.4710.0.1.3381.733
total18.294.52021.7844.43
Central Pre-Alps< 1%1.4380.4701.3413.126
1-9%12.8121.8337.41621.99
10-25%17.8101.73517.41036.96
26-50%12.3120.85011.31324.48
51-75%5.3190.4703.0268.615
76-100%2.0320.6583.1265.719
total51.655.61843.45100.62
Eastern Pre-Alps< 1%1.3380.21000.9442.427
1-9%9.7141.1409.81320.69
10-25%10.9130.4708.91420.29
26-50%8.8150.6588.21517.610
51-75%3.4240.4713.9227.716
76-100%2.3300.0.2.9265.219
total36.662.72634.5673.82
Northwestern Alps< 1%0.6580.0.0.9451.535
1-9%8.1153.4245.61817.110
10-25%8.1153.72310.41322.28
26-50%3.9232.3304.22210.413
51-75%1.9330.4712.5284.820
76-100%2.4290.8501.7354.920
total24.9810.61325.3760.93
Central Alps< 1%0.6580.0.0.4710.944
1-9%4.3212.7261.3378.413
10-25%3.5231.1403.0257.614
26-50%2.4280.8502.0315.118
51-75%1.0440.6581.2402.826
76-100%1.0440.0.0.21001.240
total12.7105.2188.11326.04
Northeastern Alps< 1%0.8510.9510.8512.528
1-9%3.4231.2413.6228.114
10-25%2.3282.1323.1247.415
26-50%1.4371.3373.7216.416
51-75%1.0450.8501.1402.925
76-100%0.9440.4721.9333.224
total9.8136.61614.2930.64
Southwestern Alps< 1%0.21000.6572.2302.926
1-9%10.81310.11318.7939.76
10-25%12.6127.71519.1939.56
26-50%7.8164.12111.21323.18
51-75%3.2251.0453.6237.816
76-100%0.6580.21001.0451.833
total35.3723.7855.84114.82
Southeastern Alps< 1%1.0451.1413.5245.619
1-9%22.197.01722.1951.25
10-25%21.895.81818.81046.56
26-50%11.5134.12212.01227.68
51-75%5.4191.1413.0269.514
76-100%3.2250.21001.7335.219
total65.1519.4961.15145.62
Southern Alps< 1%0.6580.21002.2303.026
1-9%9.9145.21939.3654.45
10-25%11.6134.72037.9654.25
26-50%7.7162.52815.81126.18
51-75%2.8271.0457.61611.413
76-100%1.0450.21003.4244.621
total33.6713.811106.33153.72
Switzerland< 1%23.493.92215.21142.57
1-9%154.4335.27120.74310.32
10-25%186.8329.68139.53355.92
26-50%138.4418.61089.15246.13
51-75%83.556.71735.47125.64
76-100%72.352.72822.4997.44
total658.7196.74422.321177.71
© WSL, Swiss National Forest Inventory, 18.06.2020 #862260/328591
NFI4
forest area
avalanches SilvaProtect · regeneration cover
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
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%2.5290.21000.21002.927
1-9%28.281.4385.81835.47
10-25%31.171.0459.51441.66
26-50%22.591.0454.82028.38
51-75%19.690.21004.22124.18
76-100%16.7100.8502.92620.49
total120.624.62027.47152.71
Eastern Jura< 1%1.1450.0.0.21001.341
1-9%5.6180.0.0.8506.417
10-25%7.0160.0.1.5388.615
26-50%10.4130.0.0.65811.012
51-75%7.1160.0.0.0.7.116
76-100%12.0110.0.1.04413.011
total43.230.0.4.12247.42
Western Plateau< 1%1.0440.0.0.0.1.044
1-9%10.4130.0.0.47110.812
10-25%12.7110.0.1.73514.310
26-50%9.2140.0.1.83311.012
51-75%6.5170.0.0.9507.416
76-100%4.4200.0.0.21004.620
total44.330.0.5.01949.22
Central Plateau< 1%2.1300.0.0.0.2.130
1-9%9.9130.0.1.93111.812
10-25%12.9110.0.2.32815.310
26-50%13.0110.0.3.82216.810
51-75%11.5120.0.1.24112.711
76-100%10.6130.0.0.47010.912
total60.020.0.9.61369.71
Eastern Plateau< 1%3.5230.0.0.0.3.523
1-9%12.2120.0.0.47112.612
10-25%22.980.0.0.65823.58
26-50%20.390.0.1.73322.09
51-75%20.790.0.2.42923.08
76-100%23.880.0.0.47124.28
total103.410.0.5.519108.91
Western Pre-Alps< 1%1.3380.0.1.6362.826
1-9%3.9231.6334.91910.313
10-25%6.4172.1317.01615.510
26-50%3.1250.6593.7237.416
51-75%3.2260.0.2.6285.918
76-100%0.4700.21001.5382.132
total18.494.52021.3844.23
Central Pre-Alps< 1%1.4380.21000.7502.329
1-9%15.9112.23010.11428.27
10-25%19.791.83315.31136.86
26-50%9.8140.85010.21420.99
51-75%4.9200.4713.7239.014
76-100%2.6280.4713.1266.218
total54.455.81843.25103.42
Eastern Pre-Alps< 1%1.9310.7502.4275.118
1-9%11.5130.6588.31420.49
10-25%11.0130.21009.31420.59
26-50%6.6170.6588.11515.411
51-75%4.4210.4703.7238.515
76-100%2.8270.21001.9314.920
total38.362.72633.8674.82
Northwestern Alps< 1%0.8500.8500.3702.031
1-9%7.5163.6239.21420.38
10-25%9.5142.9267.41619.99
26-50%5.1191.5384.52111.013
51-75%1.6351.0442.4285.119
76-100%1.2410.6581.3413.126
total25.8810.41325.2761.43
Central Alps< 1%0.0.0.4710.4710.850
1-9%4.2201.7321.5347.514
10-25%4.3201.7322.8268.813
26-50%3.0251.1403.0257.115
51-75%0.8500.6580.6562.031
76-100%0.4710.0.0.4710.850
total12.7105.6178.61326.94
Northeastern Alps< 1%0.9451.3410.9443.124
1-9%4.7201.5384.42010.512
10-25%2.5282.7263.7228.814
26-50%1.2410.21002.9244.320
51-75%1.5350.8501.5353.821
76-100%0.5580.4720.9441.931
total11.4126.81614.3932.54
Southwestern Alps< 1%1.6351.1413.3246.118
1-9%18.91012.11224.4855.35
10-25%11.2138.21517.41036.76
26-50%5.3192.3299.41417.010
51-75%2.7280.0.2.6285.319
76-100%0.6580.21000.0.0.850
total40.2623.9857.04121.12
Southeastern Alps< 1%5.1203.2256.81715.011
1-9%26.386.71726.7859.75
10-25%20.495.31916.31042.06
26-50%10.2142.5288.91521.79
51-75%5.7181.4383.82311.013
76-100%1.8330.21000.21002.330
total69.5419.4962.74151.62
Southern Alps< 1%4.1221.4386.71712.112
1-9%15.9116.61753.6576.14
10-25%9.9143.02528.8841.76
26-50%5.5192.23013.11220.89
51-75%1.5350.0.3.7235.319
76-100%0.6580.21001.4382.230
total37.5713.411107.33158.32
Switzerland< 1%27.489.31523.5960.16
1-9%175.0338.07152.53365.42
10-25%181.6328.98123.44333.92
26-50%125.4413.01276.65214.93
51-75%91.944.82033.48130.14
76-100%78.453.22515.71197.34
total679.7197.14425.121201.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #862261/328592
NFI4
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a< 1%2.6286.4173.7235.8182.32920.810
1-9%30.5730.1727.5844.868.615141.64
10-25%36.2747.5633.3734.575.619157.13
26-50%31.6741.6616.41114.4122.827106.94
51-75%25.9837.9710.8146.4180.85081.85
76-100%27.5838.075.0203.4240.0.74.05
total154.42201.6196.84109.3420.19582.21
inside perimeter< 1%0.21000.0.1.0456.5171.2418.915
1-9%1.4380.0.4.42123.496.01835.37
10-25%1.0450.0.3.92219.4102.72627.18
26-50%1.0450.0.1.8337.1172.03112.013
51-75%0.21000.0.0.8503.2250.0.4.322
76-100%0.8500.0.0.6581.4380.0.2.827
total4.7200.0.12.51261.1511.91290.34
outside perimeter< 1%0.4710.0.4.52010.8136.31722.09
1-9%6.7172.82722.3959.7546.25137.63
10-25%10.6134.52130.3842.6624.98112.94
26-50%5.4197.31620.9923.999.81467.35
51-75%4.4214.3219.6149.1152.82730.18
76-100%3.9221.0456.4182.6281.24115.111
total31.4719.91094.04148.7391.13385.12
total< 1%3.2256.4179.21423.099.81451.66
1-9%38.7632.9754.25127.9360.84314.52
10-25%47.8652.1567.5596.6433.17297.12
26-50%38.1748.9639.1745.5614.611186.23
51-75%30.4842.2621.2918.7103.523116.24
76-100%32.3739.0612.0137.4161.24191.94
total190.51221.51203.31319.11123.121057.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #862262/328593
NFI3
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a< 1%8.2155.9182.4292.7270.47119.710
1-9%26.6838.1725.1938.175.818133.74
10-25%43.4647.0631.0837.777.916167.03
26-50%30.3844.0624.1919.0103.623120.94
51-75%21.7934.279.8147.4161.63574.75
76-100%24.2932.474.3224.4210.85066.25
total154.42201.6196.84109.3420.19582.21
inside perimeter< 1%0.6580.0.0.5582.4290.21003.723
1-9%1.2410.0.4.42122.994.62033.17
10-25%1.0440.0.3.22519.3104.12227.78
26-50%1.0440.0.2.52811.6132.23017.411
51-75%0.6580.0.1.2413.5230.8506.118
76-100%0.21000.0.0.6581.4380.0.2.230
total4.7200.0.12.51261.1511.91290.34
outside perimeter< 1%1.6350.4713.1257.1172.23014.412
1-9%6.2181.63520.6948.0635.46111.74
10-25%9.1145.61931.0849.5632.97128.04
26-50%7.6167.11623.5929.1813.21280.55
51-75%3.7233.4248.9159.6145.11930.78
76-100%3.2252.0326.9175.6192.23019.910
total31.4719.91094.04148.7391.13385.12
total< 1%10.4146.3176.11812.2122.82637.87
1-9%34.0739.7650.16108.9445.85278.52
10-25%53.5552.6565.25106.5444.96322.72
26-50%38.9651.0650.1659.7519.010218.83
51-75%26.0837.6719.91020.5107.516111.54
76-100%27.6834.4711.91311.3133.02688.34
total190.51221.51203.31319.11123.121057.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #862263/328594
NFI4
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a< 1%3.4246.8174.7208.4154.12227.48
1-9%33.9732.1731.5861.3515.911174.73
10-25%38.3748.3636.9747.769.914181.13
26-50%32.6742.8619.91024.795.519125.64
51-75%26.7838.9712.51312.3131.53591.94
76-100%28.5838.865.9194.6210.65878.45
total163.42207.71111.33159.0337.57679.01
inside perimeter< 1%0.21000.0.1.0456.7171.4389.314
1-9%1.4380.0.4.42125.686.61738.17
10-25%1.0450.0.3.92220.993.02528.98
26-50%1.0450.0.2.0327.8162.23013.012
51-75%0.21000.0.0.8503.8230.0.4.920
76-100%0.8500.0.0.8501.4380.21003.225
total4.7200.0.12.91266.1513.41197.24
outside perimeter< 1%0.4710.0.4.72011.8136.71723.59
1-9%6.7172.82723.3966.5553.65152.83
10-25%11.1134.52131.5747.6628.88123.64
26-50%5.4197.51621.9928.7813.11276.75
51-75%4.4214.32110.01411.1133.72333.58
76-100%3.9221.0456.6172.8271.43815.811
total32.0720.1998.13168.53107.33426.02
total< 1%4.1226.81710.41326.8812.11260.26
1-9%42.0634.9759.25153.4376.14365.62
10-25%50.4552.9572.35116.2441.76333.62
26-50%39.1650.3643.8661.2520.89215.33
51-75%31.2743.2623.3927.285.319130.24
76-100%33.3739.8613.3128.8152.23097.34
total200.11227.91222.31393.71158.321202.21
© WSL, Swiss National Forest Inventory, 18.06.2020 #862264/328595
NFI4
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a< 1%3.0266.8174.5217.2172.92624.49
1-9%33.4731.5729.7856.1613.912164.73
10-25%37.3747.9635.5742.379.114172.13
26-50%32.6742.0618.31021.994.621119.44
51-75%26.3838.9711.91310.5141.24188.74
76-100%27.9838.675.2204.6210.47176.85
total160.62205.81105.13142.5332.07646.01
inside perimeter< 1%0.21000.0.1.0456.7171.4389.314
1-9%1.4380.0.4.42125.486.61737.97
10-25%1.0450.0.3.92220.3103.02528.38
26-50%1.0450.0.1.8337.4162.23012.413
51-75%0.21000.0.0.8503.8230.0.4.920
76-100%0.8500.0.0.8501.4380.21003.225
total4.7200.0.12.71264.9513.41195.84
outside perimeter< 1%0.4710.0.4.72011.4136.71723.19
1-9%6.7172.82723.1964.5552.65149.73
10-25%11.0134.52131.5746.6627.48121.04
26-50%5.4197.31621.5927.9812.91275.15
51-75%4.4214.3219.81410.3143.52332.38
76-100%3.9221.0456.6172.6281.43815.611
total31.8719.91097.24163.43104.53416.82
total< 1%3.6236.81710.21325.2910.91356.86
1-9%41.6634.3757.25146.0373.14352.22
10-25%49.2652.5570.95109.2439.56321.42
26-50%39.1649.3641.6657.2619.710206.93
51-75%30.9743.2622.5924.694.720125.84
76-100%32.7739.7612.6138.6151.93195.54
total197.11225.71215.11370.81150.021158.71
© WSL, Swiss National Forest Inventory, 18.06.2020 #862265/328596
NFI3
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a< 1%9.3146.1182.8273.1250.65821.99
1-9%28.9838.5727.3846.769.114150.53
10-25%44.4648.0633.3746.0611.213182.83
26-50%31.1745.0626.8826.297.316136.44
51-75%21.7935.6710.41412.4132.82782.95
76-100%25.2832.774.6218.0161.04571.45
total160.62205.81105.13142.5332.07646.01
inside perimeter< 1%0.6580.0.0.5582.6280.21003.922
1-9%1.2410.0.4.42124.395.01934.97
10-25%1.0440.0.3.42419.9104.72029.18
26-50%1.0440.0.2.52812.6122.32918.610
51-75%0.6580.0.1.2413.9221.0456.717
76-100%0.21000.0.0.6581.6350.21002.628
total4.7200.0.12.71264.9513.41195.84
outside perimeter< 1%1.6350.4713.1257.5162.23014.811
1-9%6.2181.63521.4950.5638.96118.54
10-25%9.3145.61931.6754.9637.26138.54
26-50%7.6167.11624.5933.1715.41187.75
51-75%3.9223.4249.31511.2137.61635.47
76-100%3.2252.0327.4166.2183.22521.910
total31.8719.91097.24163.43104.53416.82
total< 1%11.5136.4176.51713.2123.02640.67
1-9%36.3740.1653.05121.5353.05304.02
10-25%54.8553.6568.35120.8353.05350.42
26-50%39.8652.0553.8571.9525.18242.63
51-75%26.2839.0720.91027.6811.413125.14
76-100%28.6834.6712.51215.8114.42196.04
total197.11225.71215.11370.81150.021158.71
© WSL, Swiss National Forest Inventory, 18.06.2020 #862266/328597
NFI3
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a< 1%9.3146.7163.1243.3230.55822.99
1-9%29.2739.2627.1848.769.613153.73
10-25%44.6648.1533.1748.0611.712185.53
26-50%31.9745.7625.7826.887.515137.63
51-75%21.7935.5710.11313.3112.72683.24
76-100%25.9832.074.4208.5140.94571.75
total162.52207.11103.53148.7332.87654.71
inside perimeter< 1%0.5580.0.0.5582.5270.21003.722
1-9%1.5350.0.4.51924.985.21836.07
10-25%0.9440.0.3.62220.395.01829.98
26-50%0.9440.21002.62613.2112.32819.19
51-75%0.5580.0.1.0414.0211.2386.916
76-100%0.21000.0.0.9451.6330.21002.925
total4.6200.210013.11166.5514.11198.54
outside perimeter< 1%2.0300.3713.1246.9162.92515.211
1-9%5.8171.83122.9852.3539.76122.43
10-25%9.6135.71733.4751.5536.86137.03
26-50%7.3157.01624.0833.3715.51087.14
51-75%3.9213.72210.81312.1127.81538.27
76-100%3.2231.9307.5155.9173.22321.79
total31.8720.49101.63161.93106.03421.62
total< 1%11.8127.0166.71612.7123.62241.86
1-9%36.4640.9654.55125.9354.55312.22
10-25%55.1553.7570.14119.8353.65352.32
26-50%40.1652.9552.3573.3525.28243.92
51-75%26.1839.2621.9929.4711.712128.24
76-100%29.3734.0712.81216.0104.32096.44
total198.91227.71218.21377.01152.921174.80
© WSL, Swiss National Forest Inventory, 18.06.2020 #862267/328598
NFI3
forest area
avalanches SilvaProtect · regeneration cover
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a< 1%9.5146.7173.2253.1250.65823.19
1-9%29.7838.7727.7848.369.914154.43
10-25%44.8649.1633.3748.4611.613187.23
26-50%31.1745.2627.2826.887.716138.04
51-75%21.7935.8710.41412.4132.82783.15
76-100%25.4832.774.8218.2151.04572.05
total162.22208.21106.53147.4333.67657.91
inside perimeter< 1%0.6580.0.0.5582.6280.21003.922
1-9%1.2410.0.4.42124.595.21935.37
10-25%1.0440.0.3.42420.3104.72029.58
26-50%1.0440.0.2.52812.6122.52818.810
51-75%0.6580.0.1.2413.9221.0456.717
76-100%0.21000.0.0.6581.6350.21002.628
total4.7200.0.12.71265.5513.81196.84
outside perimeter< 1%1.8330.4713.1257.7162.23015.211
1-9%6.2181.63522.5951.5639.36121.14
10-25%9.5145.61931.8754.9637.96139.73
26-50%7.6167.31625.1933.3715.81189.15
51-75%3.9223.4249.51511.4137.61635.87
76-100%3.2252.0327.4166.4183.42422.39
total32.2720.1999.43165.23106.33423.22
total< 1%11.9137.1166.91713.4123.02642.27
1-9%37.1740.3654.65124.3354.45310.82
10-25%55.4554.7568.55123.6354.25356.42
26-50%39.8652.4554.9572.7526.18245.93
51-75%26.2839.2721.1927.8811.413125.74
76-100%28.8834.6712.71216.2114.62197.04
total199.21228.31218.71378.01153.721177.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #862268/328599
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track69.33.029.29.141.07.830.81.653.75.238.53.575.016.28.43.39.41.135.23.744.93.552.94.36.24.44.52.024.12.786.34.664.93.914.03.175.74.24.40.96.43.151.32.46.61.115.96.874.92.831.20.6
road and skidding road27.82.90.0.13.95.610.31.121.64.514.72.625.016.21.61.63.40.725.73.423.63.028.53.96.24.47.62.68.01.810.64.221.33.26.42.211.43.20.60.32.82.017.21.81.20.533.89.015.02.311.00.4
road and cable line0.0.4.14.13.82.66.10.83.62.18.11.90.0.8.23.313.91.30.0.10.52.21.30.921.77.722.24.42.51.00.0.1.91.120.43.50.0.1.80.61.31.32.10.75.91.14.34.35.51.56.10.3
road and flight path0.0.0.0.6.44.31.80.50.0.1.81.00.0.7.23.12.20.50.0.0.60.60.70.714.66.813.53.52.51.00.0.0.0.6.52.20.0.0.20.212.14.10.90.54.40.90.0.0.0.2.10.2
no access intended3.01.112.26.60.0.2.90.61.41.42.11.10.0.10.03.78.61.04.21.61.50.92.41.40.0.2.31.64.11.30.0.2.31.35.52.10.70.79.31.314.64.35.51.16.71.10.0.1.20.74.90.3
total100.0.45.59.965.07.051.81.880.34.265.33.2100.0.35.55.837.51.865.13.781.12.885.82.948.79.150.15.441.23.296.92.190.32.452.84.587.83.116.31.637.25.976.92.024.81.954.08.996.61.255.30.6
inside perimeterroad and skidding track0.0.0.0.0.0.1.50.40.0.0.0.0.0.0.0.1.30.41.20.80.0.3.11.63.83.70.0.2.21.00.0.0.0.0.0.0.0.0.40.30.0.2.00.72.30.70.0.0.0.1.10.1
road and skidding road0.0.0.0.0.0.0.10.10.0.0.90.60.0.0.0.0.80.30.50.50.0.0.70.72.42.41.41.42.10.90.0.0.0.0.0.0.0.0.60.31.81.80.0.0.40.30.0.0.0.0.40.1
road and cable line0.0.7.05.01.91.94.40.70.0.1.30.70.0.13.84.19.51.10.0.1.60.90.0.6.24.44.52.02.61.10.0.0.0.3.71.60.0.1.30.514.54.22.70.811.71.43.33.30.0.4.30.3
road and flight path0.0.0.0.0.0.0.60.30.0.0.40.40.0.7.23.21.50.40.0.0.0.0.0.3.63.53.32.01.00.70.0.0.0.1.61.20.0.1.80.66.43.10.0.5.51.00.0.0.0.1.30.2
no access intended0.0.4.14.10.0.1.20.40.0.0.0.0.0.6.83.01.20.41.10.80.0.0.0.0.0.0.0.1.00.70.0.0.60.60.0.0.0.3.90.94.22.40.90.53.10.80.0.0.0.1.40.2
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 perimeterroad and skidding track0.0.35.29.219.46.214.81.311.53.58.31.90.0.4.32.55.60.811.32.48.62.05.21.84.83.31.11.119.72.53.12.14.41.73.41.77.22.57.41.23.32.46.21.19.81.315.46.30.80.68.40.4
road and skidding road0.0.4.14.111.84.49.41.02.91.68.82.00.0.2.61.83.40.717.22.93.81.44.01.62.42.48.72.910.41.90.0.3.41.55.52.13.91.73.10.84.82.81.90.63.60.88.75.70.80.65.10.3
road and cable line0.0.0.0.1.91.911.81.14.42.213.42.30.0.16.14.427.51.61.20.84.41.40.60.624.47.817.84.115.82.40.0.1.30.926.23.90.0.14.81.614.24.45.01.017.11.718.76.71.70.912.20.4
road and flight path0.0.0.0.0.0.1.30.40.0.1.10.80.0.3.92.23.70.70.0.0.0.0.0.3.83.712.13.50.90.60.0.0.0.3.61.60.0.5.21.010.73.90.90.510.71.40.0.0.0.2.90.2
no access intended0.0.4.14.10.0.2.80.61.01.00.40.40.0.9.83.68.01.02.41.20.60.60.70.70.0.1.11.13.01.10.0.0.0.3.11.51.11.145.22.22.82.03.30.910.91.40.0.0.0.7.70.3
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
totalroad and skidding track69.33.064.49.360.57.847.11.765.25.146.83.675.016.212.74.016.31.447.73.953.53.561.34.214.86.25.62.346.13.289.44.269.33.717.43.482.93.712.21.59.73.859.52.318.71.731.28.375.82.840.60.6
road and skidding road27.82.94.14.125.76.819.91.424.54.724.53.225.016.24.32.57.71.043.43.927.33.233.14.111.05.317.64.020.52.610.64.224.73.411.92.915.33.64.30.99.43.719.21.95.21.042.58.415.82.416.50.5
road and cable line0.0.11.16.37.53.622.31.48.03.022.82.80.0.38.05.950.91.81.20.816.52.61.91.152.39.244.65.020.92.60.0.3.11.450.44.40.0.17.91.730.05.69.81.434.72.126.38.17.21.722.60.5
road and flight path0.0.0.0.6.44.33.70.70.0.3.41.40.0.18.34.77.41.00.0.0.60.60.70.721.97.928.84.84.41.40.0.0.0.11.82.90.0.7.11.229.25.81.90.720.71.80.0.0.0.6.30.3
no access intended3.01.120.48.00.0.7.00.92.31.72.51.10.0.26.75.317.71.47.72.12.11.03.01.50.0.3.41.98.11.80.0.2.91.58.62.51.81.358.42.221.64.89.71.420.71.80.0.1.20.713.90.4
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, 10.07.2020 #862269/328600
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track70.52.829.38.041.47.329.31.453.04.936.33.176.213.210.03.28.60.936.83.645.43.152.04.06.83.94.92.023.82.486.74.163.63.615.12.877.03.84.00.76.72.750.92.17.01.017.06.576.22.629.60.5
road and skidding road26.52.72.22.214.75.39.81.022.44.213.92.323.813.21.31.34.10.625.23.223.32.728.23.64.83.48.62.77.81.58.93.520.02.96.82.09.82.80.80.31.91.317.61.61.80.533.38.214.02.110.40.4
road and cable line0.0.3.23.25.02.96.00.83.21.98.41.80.0.13.63.613.81.10.0.11.32.01.20.818.46.321.74.03.31.00.0.2.81.217.53.00.0.1.30.43.11.82.60.76.41.06.74.55.71.46.40.3
road and flight path0.0.0.0.5.33.62.50.50.0.1.90.90.0.6.52.63.50.60.0.0.90.60.60.615.96.015.43.42.30.90.0.0.0.8.32.20.0.0.90.312.63.51.10.46.91.00.0.0.0.2.80.2
no access intended3.01.19.85.40.0.3.80.61.31.32.71.10.0.11.53.311.41.05.31.62.10.93.21.40.0.1.91.34.61.20.0.3.71.54.91.70.70.713.91.319.44.05.81.09.91.20.0.1.10.66.70.3
total100.0.44.58.766.36.751.31.679.94.063.13.0100.0.43.05.341.31.567.33.482.92.485.22.745.97.952.44.941.82.895.62.590.12.352.64.087.52.920.81.543.85.178.01.732.11.857.07.797.01.155.90.5
inside perimeterroad and skidding track0.0.0.0.0.0.1.30.40.0.0.0.0.0.0.0.1.30.41.00.70.0.2.61.32.82.80.0.2.10.80.0.0.0.0.0.0.0.0.40.20.0.1.80.62.10.60.0.0.0.1.00.1
road and skidding road0.0.0.0.0.0.0.30.20.0.0.80.60.0.0.0.0.60.20.40.40.0.0.60.61.91.91.11.11.70.70.0.0.0.0.0.0.0.0.60.31.21.20.0.0.30.20.0.0.0.0.40.1
road and cable line0.0.5.33.84.33.14.80.70.0.1.20.70.0.10.43.28.70.90.0.1.30.70.0.9.74.84.01.82.10.80.0.0.0.3.51.40.0.1.00.411.33.12.60.710.11.22.92.90.0.4.10.2
road and flight path0.0.0.0.0.0.0.50.20.0.0.80.50.0.5.72.51.40.40.0.0.0.0.0.2.52.52.81.60.80.50.0.0.0.1.20.90.0.1.40.56.92.70.0.5.00.90.0.0.0.1.30.1
no access intended0.0.6.34.40.0.1.20.40.0.0.0.0.0.8.32.91.50.41.00.70.0.0.60.61.91.90.0.0.70.50.0.0.50.50.0.0.0.4.80.85.22.30.90.43.20.70.0.0.0.1.60.2
total0.0.11.65.64.33.18.20.90.0.2.71.00.0.24.54.513.51.12.41.11.30.73.81.518.96.37.92.67.31.50.0.0.50.54.81.70.0.8.21.024.64.55.41.020.81.62.92.90.0.8.40.3
outside perimeterroad and skidding track0.0.35.48.317.05.514.21.112.93.48.01.80.0.4.42.25.80.710.62.27.91.75.91.86.73.91.01.019.12.24.42.54.41.57.52.17.22.36.20.94.32.16.11.09.21.113.85.70.80.58.20.3
road and skidding road0.0.5.33.810.64.09.71.02.61.410.22.00.0.2.01.43.60.616.02.73.01.14.01.51.91.97.62.610.41.70.0.3.31.45.71.93.61.63.00.74.52.22.00.62.90.76.74.50.70.54.90.3
road and cable line0.0.0.0.1.71.712.41.13.81.913.72.20.0.13.93.723.71.31.60.94.11.30.50.523.86.918.03.715.72.10.0.1.71.023.33.40.0.12.61.310.13.24.60.915.11.419.76.31.50.811.60.4
road and flight path0.0.0.0.0.0.1.40.40.0.1.40.80.0.2.91.63.60.60.0.0.0.0.0.2.82.812.13.20.70.50.0.0.0.2.91.30.0.4.70.810.73.30.70.49.51.10.0.0.0.2.80.2
no access intended0.0.3.23.20.0.2.80.50.90.90.80.60.0.9.43.18.60.92.11.00.80.60.60.60.0.1.01.05.01.30.0.0.0.3.11.41.81.344.51.92.11.53.30.810.41.20.0.0.0.8.30.3
total0.0.43.98.629.36.340.51.620.14.034.13.00.0.32.65.045.21.630.33.315.82.411.02.435.27.639.74.850.92.84.42.59.42.242.63.912.52.971.01.731.64.916.61.647.11.940.17.93.01.135.70.5
totalroad and skidding track70.52.864.88.458.47.344.81.665.94.744.33.276.213.214.33.715.71.248.53.753.33.260.53.916.45.75.82.245.02.891.13.568.03.522.73.384.13.410.71.211.03.358.82.118.41.530.87.977.02.638.70.5
road and skidding road26.52.77.54.325.36.419.81.324.94.424.92.823.813.23.42.08.30.941.63.626.22.832.83.88.64.117.33.719.92.38.93.523.33.112.52.613.43.14.30.87.62.819.51.75.10.940.08.014.72.215.80.4
road and cable line0.0.8.54.911.04.423.21.37.02.623.32.60.0.37.95.246.11.61.60.916.72.41.71.051.87.943.74.621.12.30.0.4.51.644.43.90.0.14.91.424.54.49.71.331.61.829.37.77.31.622.00.5
road and flight path0.0.0.0.5.33.64.40.70.0.4.01.30.0.15.23.88.40.90.0.0.90.60.60.621.26.630.34.43.71.10.0.0.0.12.42.60.0.7.01.030.34.91.80.621.41.60.0.0.0.6.90.3
no access intended3.01.119.37.00.0.7.80.92.21.63.51.20.0.29.34.721.51.38.32.02.91.14.41.61.91.92.91.710.31.80.0.4.21.68.02.12.51.463.21.826.74.510.11.323.51.70.0.1.10.616.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862270/328601
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track69.43.032.09.141.07.830.41.653.25.138.03.473.714.58.83.28.51.035.83.744.33.454.24.37.84.54.31.924.42.686.34.665.53.814.63.076.34.14.50.87.53.051.72.36.61.018.97.375.22.829.90.5
road and skidding road27.72.90.0.13.95.610.21.122.04.414.22.526.314.51.51.53.80.725.23.423.03.027.73.95.43.97.22.57.31.610.64.220.93.25.72.011.13.20.60.32.31.617.31.71.90.634.18.814.82.310.50.4
road and cable line0.0.3.93.93.82.66.30.83.42.08.21.90.0.10.03.414.11.20.0.11.72.21.30.922.47.323.24.43.01.10.0.1.81.118.93.20.0.1.50.51.11.12.60.76.41.04.14.05.41.56.40.3
road and flight path0.0.0.0.6.44.32.50.50.0.2.21.10.0.6.52.83.50.60.0.0.60.60.70.716.16.714.93.52.71.00.0.0.0.8.72.40.0.0.60.312.23.71.00.56.31.00.0.0.0.2.80.2
no access intended2.91.111.76.40.0.3.50.61.31.32.61.20.0.12.63.810.81.14.71.61.50.82.31.40.0.2.21.54.51.30.0.2.31.35.62.00.70.713.91.420.04.45.61.18.91.20.0.1.20.76.40.3
total100.0.47.69.765.07.052.91.779.94.165.23.1100.0.39.35.640.71.765.73.681.12.886.22.851.78.551.85.242.03.096.92.190.52.453.54.288.13.021.11.643.15.578.21.930.11.957.18.496.71.256.00.6
inside perimeterroad and skidding track0.0.0.0.0.0.1.40.40.0.0.0.0.0.0.0.1.40.41.10.80.0.3.11.53.33.30.0.2.00.90.0.0.0.0.0.0.0.0.50.30.0.1.90.62.00.60.0.0.0.1.00.1
road and skidding road0.0.0.0.0.0.0.10.10.0.0.90.60.0.0.0.0.70.30.50.50.0.0.70.72.12.11.31.31.90.90.0.0.0.0.0.0.0.0.60.31.51.50.0.0.30.20.0.0.0.0.40.1
road and cable line0.0.6.84.91.91.94.30.70.0.1.20.70.0.12.53.78.20.90.0.1.50.90.0.5.43.94.31.92.41.00.0.0.0.4.11.70.0.1.10.411.93.42.70.710.41.23.13.10.0.4.00.2
road and flight path0.0.0.0.0.0.0.60.30.0.0.40.40.0.6.52.91.40.40.0.0.0.0.0.3.13.13.11.90.90.60.0.0.0.1.51.00.0.1.50.55.22.60.0.5.20.90.0.0.0.1.30.1
no access intended0.0.3.93.90.0.1.30.40.0.0.0.0.0.7.43.01.60.41.10.80.0.0.0.0.0.0.0.0.90.60.0.0.60.60.0.0.0.4.20.84.72.30.90.42.90.70.0.0.0.1.50.2
total0.0.10.76.11.91.97.80.90.0.2.51.00.0.26.45.013.31.12.71.21.50.93.71.614.06.18.72.98.21.70.0.0.60.65.51.90.0.7.91.123.24.75.41.020.81.63.13.10.0.8.20.3
outside perimeterroad and skidding track0.0.33.89.019.46.214.41.212.23.58.01.90.0.3.92.25.40.811.12.48.31.95.11.87.64.41.01.018.82.33.12.14.31.64.51.87.02.56.61.03.82.25.91.19.21.214.45.90.80.68.00.3
road and skidding road0.0.3.93.911.84.49.11.02.71.59.02.00.0.2.41.73.40.616.92.93.71.43.91.62.12.18.22.810.01.80.0.3.31.56.42.13.81.72.90.75.22.61.80.63.10.78.15.40.80.64.90.3
road and cable line0.0.0.0.1.91.911.81.14.22.113.42.30.0.14.54.025.01.51.20.84.31.40.60.621.46.917.03.915.82.30.0.1.30.924.13.60.0.12.81.411.53.74.81.016.01.517.46.31.70.811.80.4
road and flight path0.0.0.0.0.0.1.40.40.0.1.10.80.0.3.62.03.60.60.0.0.0.0.0.3.33.312.23.40.80.60.0.0.0.3.21.40.0.4.60.910.93.50.90.49.71.20.0.0.0.2.80.2
no access intended0.0.3.93.90.0.2.70.60.90.90.90.60.0.10.13.58.71.02.31.21.10.80.70.70.0.1.01.04.41.30.0.0.0.2.81.41.11.144.22.02.31.63.00.811.01.30.0.0.0.8.30.3
total0.0.41.79.633.17.039.41.720.14.132.33.10.0.34.45.446.11.731.53.517.42.710.12.434.48.039.55.149.83.13.12.18.92.340.94.211.93.071.01.833.75.416.41.749.02.139.98.63.31.235.80.6
totalroad and skidding track69.43.065.89.160.57.846.21.765.44.945.93.573.714.512.63.815.21.248.03.952.63.562.34.218.66.55.32.245.33.089.44.269.83.719.13.383.33.711.51.311.33.659.52.217.81.633.28.676.12.739.00.6
road and skidding road27.72.93.93.925.76.819.51.424.74.624.03.126.314.53.92.27.90.942.73.826.73.132.24.09.74.716.73.819.22.410.64.224.33.412.12.814.93.54.20.88.93.319.11.85.40.942.28.515.62.315.80.5
road and cable line0.0.10.76.17.53.622.31.47.72.922.82.70.0.36.95.647.41.71.20.817.62.61.91.149.28.644.54.921.22.50.0.3.11.447.14.20.0.15.41.524.54.610.11.432.71.924.57.57.11.722.20.5
road and flight path0.0.0.0.6.44.34.50.70.0.3.71.40.0.16.64.38.50.90.0.0.60.60.70.722.57.530.24.74.41.30.0.0.0.13.42.90.0.6.71.028.35.11.90.621.21.70.0.0.0.6.80.3
no access intended2.91.119.67.80.0.7.50.92.21.63.51.30.0.30.05.221.11.48.12.12.51.13.01.50.0.3.21.89.91.90.0.2.91.48.42.31.81.362.32.027.04.89.51.322.91.80.0.1.20.716.20.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862271/328602
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: canton
unit: %
unit of evaluation: accessible forest
grid: terrestrial grid NFI3
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track70.52.829.38.041.47.328.61.453.04.936.13.176.213.28.12.67.60.836.83.645.03.152.04.06.83.94.82.022.92.386.74.163.63.615.12.877.03.83.80.75.42.150.52.16.70.917.06.576.22.628.20.5
road and skidding road26.52.72.22.214.75.39.60.922.44.213.82.323.813.21.11.13.60.625.23.223.12.728.23.64.83.48.42.67.51.58.93.520.02.96.82.09.82.80.70.31.51.117.61.61.90.533.38.214.02.110.00.3
road and cable line0.0.3.23.25.02.95.90.73.21.98.41.80.0.13.13.213.11.00.0.11.22.01.20.818.46.321.33.93.51.00.0.2.81.217.53.00.0.1.20.43.21.62.60.76.30.96.74.55.71.46.30.3
road and flight path0.0.0.0.5.33.63.30.60.0.1.90.90.0.8.12.64.70.60.0.0.90.60.60.615.96.015.13.32.20.80.0.0.0.8.32.20.0.0.90.313.53.21.10.47.71.00.0.0.0.3.30.2
no access intended3.01.19.85.40.0.5.10.71.31.32.61.10.0.22.03.917.91.15.31.63.01.13.21.40.0.3.61.87.61.50.0.3.71.54.91.70.70.718.11.326.54.06.51.012.61.30.0.1.10.69.40.3
total100.0.44.58.766.36.752.51.679.94.062.93.0100.0.52.44.746.91.467.33.483.12.485.22.745.97.953.34.943.72.895.62.590.12.352.64.087.52.924.61.550.14.678.21.735.31.757.07.797.01.157.20.5
inside perimeterroad and skidding track0.0.0.0.0.0.1.30.40.0.0.0.0.0.0.0.1.10.31.00.70.0.2.61.32.82.80.0.2.00.80.0.0.0.0.0.0.0.0.40.20.0.1.80.62.00.50.0.0.0.1.00.1
road and skidding road0.0.0.0.0.0.0.30.20.0.0.80.60.0.0.0.0.50.20.40.40.0.0.60.61.91.91.11.11.60.70.0.0.0.0.0.0.0.0.50.31.01.00.0.0.30.20.0.0.0.0.40.1
road and cable line0.0.5.33.84.33.14.70.70.0.1.20.70.0.8.52.67.70.80.0.1.30.70.0.9.74.83.91.82.00.80.0.0.0.3.51.40.0.0.90.39.02.52.60.79.81.12.92.90.0.3.90.2
road and flight path0.0.0.0.0.0.0.50.20.0.0.80.50.0.4.72.11.20.30.0.0.0.0.0.2.52.52.71.60.70.50.0.0.0.1.20.90.0.1.30.46.42.30.0.4.90.80.0.0.0.1.20.1
no access intended0.0.6.34.40.0.1.20.30.0.0.0.0.0.6.82.41.60.41.00.70.0.0.60.61.91.90.0.0.70.50.0.0.50.50.0.0.0.4.60.74.92.00.90.43.20.70.0.0.0.1.60.2
total0.0.11.65.64.33.18.00.90.0.2.71.00.0.20.03.812.21.02.41.11.30.73.81.518.96.37.72.67.01.50.0.0.50.54.81.70.0.7.60.921.33.85.31.020.21.52.92.90.0.8.10.3
outside perimeterroad and skidding track0.0.35.48.317.05.513.91.112.93.48.01.80.0.4.52.05.20.710.62.27.81.75.91.86.73.90.90.918.42.14.42.54.41.57.52.17.22.35.70.83.41.76.01.08.71.113.85.70.80.57.80.3
road and skidding road0.0.5.33.810.64.09.50.92.61.410.12.00.0.1.71.23.10.516.02.72.91.14.01.51.91.97.52.610.01.60.0.3.31.45.71.93.61.62.80.63.61.81.90.62.80.66.74.50.70.54.70.3
road and cable line0.0.0.0.1.71.712.11.03.81.913.72.20.0.11.33.120.91.21.60.94.11.30.50.523.86.917.73.715.52.00.0.1.71.023.33.40.0.11.41.18.12.64.50.914.31.319.76.31.50.811.10.4
road and flight path0.0.0.0.0.0.1.40.40.0.1.40.80.0.2.41.33.20.50.0.0.0.0.0.2.82.811.93.20.60.40.0.0.0.2.91.30.0.4.40.710.12.80.70.49.01.10.0.0.0.2.70.2
no access intended0.0.3.23.20.0.2.70.50.90.91.20.70.0.7.72.58.30.82.11.00.80.60.60.60.0.0.90.94.81.20.0.0.0.3.11.41.81.343.41.83.41.73.20.89.81.10.0.0.0.8.40.3
total0.0.43.98.629.36.339.61.620.14.034.43.00.0.27.64.340.81.430.33.315.72.411.02.435.27.639.04.849.32.84.42.59.42.242.63.912.52.967.71.628.64.216.51.644.61.940.17.93.01.134.70.5
totalroad and skidding track70.52.864.88.458.47.343.81.665.94.744.13.276.213.212.73.214.01.048.53.752.83.260.53.916.45.75.72.243.32.791.13.568.03.522.73.384.13.49.91.18.82.758.32.117.41.430.87.977.02.636.90.5
road and skidding road26.52.77.54.325.36.419.31.324.94.424.82.823.813.22.81.67.30.841.63.626.02.832.83.88.64.117.03.619.22.28.93.523.33.112.52.613.43.14.00.76.12.319.51.74.90.840.08.014.72.215.10.4
road and cable line0.0.8.54.911.04.422.71.37.02.623.22.60.0.32.94.541.71.41.60.916.62.31.71.051.87.942.94.521.02.30.0.4.51.644.43.90.0.13.41.220.33.69.61.330.41.729.37.77.31.621.30.5
road and flight path0.0.0.0.5.33.65.20.70.0.4.01.30.0.15.23.59.20.90.0.0.90.60.60.621.26.629.84.43.61.10.0.0.0.12.42.60.0.6.60.930.04.31.80.621.61.60.0.0.0.7.20.3
no access intended3.01.119.37.00.0.9.00.92.21.63.91.30.0.36.54.527.81.38.32.03.81.24.41.61.91.94.62.013.01.90.0.4.21.68.02.12.51.466.11.734.84.210.71.325.71.70.0.1.10.619.50.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862272/328603
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: canton
unit: %
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
avalanches SilvaProtectconcept of transportation system %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aroad and skidding track69.43.032.09.141.07.829.71.553.25.137.83.473.714.57.22.77.60.835.83.744.33.454.24.37.84.54.21.923.42.586.34.665.53.814.63.076.34.14.10.86.12.451.22.36.31.018.97.375.22.828.50.5
road and skidding road27.72.90.0.13.95.610.01.022.04.414.12.526.314.51.21.23.40.625.23.422.82.927.73.95.43.97.02.57.01.610.64.220.93.25.72.011.13.20.60.31.81.317.31.72.00.634.18.814.82.310.00.4
road and cable line0.0.3.93.93.82.66.10.83.42.08.21.90.0.10.43.213.41.10.0.11.62.21.30.922.47.322.84.33.31.10.0.1.81.118.93.20.0.1.30.41.81.22.50.76.31.04.14.05.41.56.40.3
road and flight path0.0.0.0.6.44.33.50.60.0.2.21.10.0.8.52.94.40.70.0.0.60.60.70.716.16.714.63.42.61.00.0.0.0.8.72.40.0.0.70.312.93.41.00.57.31.10.0.0.0.3.20.2
no access intended2.91.111.76.40.0.4.70.71.31.32.61.20.0.22.84.217.91.24.71.61.91.02.31.40.0.4.22.07.61.60.0.2.31.35.62.00.70.718.31.425.44.36.41.111.61.30.0.1.20.79.20.4
total100.0.47.69.765.07.054.01.779.94.164.93.1100.0.50.15.146.61.665.73.681.32.786.22.851.78.552.85.144.03.096.92.190.52.453.54.288.13.025.01.648.04.978.41.833.51.857.18.496.71.257.30.6
inside perimeterroad and skidding track0.0.0.0.0.0.1.40.40.0.0.0.0.0.0.0.1.20.31.10.80.0.3.11.53.33.30.0.2.00.90.0.0.0.0.0.0.0.0.40.20.0.1.90.61.90.50.0.0.0.1.00.1
road and skidding road0.0.0.0.0.0.0.10.10.0.0.90.60.0.0.0.0.60.20.50.50.0.0.70.72.12.11.31.31.80.80.0.0.0.0.0.0.0.0.60.31.21.20.0.0.30.20.0.0.0.0.40.1
road and cable line0.0.6.84.91.91.94.20.70.0.1.20.70.0.10.23.17.20.80.0.1.50.90.0.5.43.94.21.92.30.90.0.0.0.4.11.70.0.1.00.49.62.82.70.710.01.23.13.10.0.3.80.2
road and flight path0.0.0.0.0.0.0.60.30.0.0.40.40.0.5.42.41.20.30.0.0.0.0.0.3.13.13.11.80.90.60.0.0.0.1.51.00.0.1.30.45.32.30.0.5.00.90.0.0.0.1.20.1
no access intended0.0.3.93.90.0.1.30.40.0.0.0.0.0.6.12.41.70.41.10.80.0.0.0.0.0.0.0.0.90.60.0.0.60.60.0.0.0.4.00.74.72.00.80.42.90.70.0.0.0.1.50.2
total0.0.10.76.11.91.97.60.90.0.2.51.00.0.21.74.211.91.02.71.21.50.93.71.614.06.18.52.87.91.70.0.0.60.65.51.90.0.7.31.020.84.15.41.020.21.63.13.10.0.8.00.3
outside perimeterroad and skidding track0.0.33.89.019.46.214.01.212.23.57.91.90.0.3.21.84.80.711.12.48.31.95.11.87.64.41.01.018.12.23.12.14.31.64.51.87.02.56.00.93.11.85.81.18.71.114.45.90.80.67.70.3
road and skidding road0.0.3.93.911.84.48.91.02.71.58.92.00.0.1.91.43.00.516.92.93.61.33.91.62.12.18.12.89.61.80.0.3.31.56.42.13.81.72.90.74.22.11.80.63.00.78.15.40.80.64.70.3
road and cable line0.0.0.0.1.91.911.51.14.22.113.32.30.0.11.93.422.11.31.20.84.31.40.60.621.46.916.63.815.52.20.0.1.30.924.13.60.0.11.41.29.43.04.81.015.11.417.46.31.70.811.20.4
road and flight path0.0.0.0.0.0.1.40.40.0.1.10.80.0.2.91.73.20.60.0.0.0.0.0.3.33.311.93.30.80.50.0.0.0.3.21.40.0.4.30.810.63.10.80.49.11.20.0.0.0.2.70.2
no access intended0.0.3.93.90.0.2.70.50.90.91.40.80.0.8.32.98.30.92.31.21.10.80.70.70.0.1.01.04.21.30.0.0.0.2.81.41.11.143.11.94.01.93.00.810.41.20.0.0.0.8.50.3
total0.0.41.79.633.17.038.41.720.14.132.63.10.0.28.24.741.41.531.53.517.22.710.12.434.48.038.65.048.23.03.12.18.92.340.94.211.93.067.71.731.24.716.21.746.32.039.98.63.31.234.70.6
totalroad and skidding track69.43.065.89.160.57.845.11.765.44.945.73.573.714.510.43.113.61.148.03.952.63.562.34.218.66.55.22.143.52.989.44.269.83.719.13.383.33.710.51.29.22.958.92.216.91.533.28.676.12.737.10.6
road and skidding road27.72.93.93.925.76.819.01.324.74.623.93.126.314.53.21.87.00.842.73.826.43.132.24.09.74.716.43.718.42.310.64.224.33.412.12.814.93.54.00.87.22.719.11.85.30.942.28.515.62.315.10.4
road and cable line0.0.10.76.17.53.621.81.47.72.922.72.70.0.32.54.942.71.51.20.817.42.61.91.149.28.643.64.821.12.50.0.3.11.447.14.20.0.13.71.320.83.99.91.431.41.924.57.57.11.721.40.5
road and flight path0.0.0.0.6.44.35.40.80.0.3.71.40.0.16.83.98.80.90.0.0.60.60.70.722.57.529.64.64.21.30.0.0.0.13.42.90.0.6.40.928.84.61.90.621.51.70.0.0.0.7.20.3
no access intended2.91.119.67.80.0.8.61.02.21.64.01.40.0.37.14.928.01.48.12.13.01.23.01.50.0.5.22.312.72.00.0.2.91.48.42.31.81.365.41.834.04.610.21.425.01.80.0.1.20.719.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #862273/328604
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