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NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aroad and skidding track267.3230.0721.598.11414.1116.317347.32
road and skidding road84.9417.9109.3132.3287.0151.141122.54
road and cable line4.62024.9812.8117.71523.184.61977.65
road and flight path1.14111.1128.3149.4148.5142.12940.67
no access intended11.91212.51216.41015.31029.4730.87116.34
total369.7196.4468.4442.7682.2444.96704.21
inside perimeterroad and skidding track2.4273.0241.0412.5262.1290.75011.712
road and skidding road0.4711.2381.1410.3710.9450.9454.819
road and cable line0.75012.6126.81611.81112.5114.22048.66
road and flight path0.21001.8322.9256.0172.1292.12914.911
no access intended1.1412.9253.2233.9212.9256.61620.49
total4.71921.5914.91024.5720.4914.510100.44
outside perimeterroad and skidding track27.5823.6817.4910.6127.41510.81297.34
road and skidding road16.51018.7910.1133.3236.1174.02158.75
road and cable line4.42036.9620.8917.3933.3624.08136.73
road and flight path0.0.6.1173.92110.9124.5207.81533.27
no access intended3.7226.4166.01711.91210.51365.04103.74
total52.1591.8358.2454.0461.94111.62429.62
totalroad and skidding track297.2156.7539.9621.1823.6817.810456.31
road and skidding road101.7437.9620.596.01714.0115.917186.03
road and cable line9.81374.3440.4636.8668.9432.87262.92
road and flight path1.33819.0915.01026.2815.11112.01288.74
no access intended16.71021.8925.6831.1742.86102.53240.42
total426.61209.71141.42121.22164.52171.011234.31
© WSL, Swiss National Forest Inventory, 18.06.2020 #862418/328749
NFI4
forest area
avalanches SilvaProtect · concept of transportation system
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 SilvaProtectconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aroad and skidding track243.0217.31114.7115.11915.3110.471295.72
road and skidding road75.5514.2127.2162.0314.0225.519108.34
road and cable line9.71425.2813.0125.81819.5104.52177.65
road and flight path0.0.5.5196.0188.01511.1136.21836.77
no access intended27.9819.3108.9143.6230.8503.62364.05
total356.0181.4449.7524.5850.6520.19582.41
inside perimeterroad and skidding track0.8500.8500.9501.6352.9260.21007.217
road and skidding road2.1310.8500.6580.4710.21000.21004.322
road and cable line1.04511.5138.21511.5129.5144.42146.16
road and flight path0.21004.6213.3248.0154.1226.61726.88
no access intended0.6582.0321.0451.4380.21000.6585.819
total4.72019.81014.01122.9817.01011.91290.24
outside perimeterroad and skidding track17.71013.21214.7116.6179.2142.03263.35
road and skidding road20.9913.4126.7162.9262.4298.91555.16
road and cable line6.11841.7623.3819.3932.8727.08150.13
road and flight path1.0453.5233.92218.3109.31443.8679.94
no access intended5.71813.4123.0264.5210.21009.41436.27
total51.4685.3451.5551.6553.7591.13384.62
totalroad and skidding track261.5231.3730.2713.31127.482.528366.32
road and skidding road98.5428.4814.5115.2196.51714.511167.73
road and cable line16.81178.4444.4636.6661.8435.86273.82
road and flight path1.24113.61213.21234.4724.4856.65143.43
no access intended34.1734.7712.9129.5141.14113.612105.94
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 18.06.2020 #862419/328750
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aroad and skidding track268.5232.6721.498.11514.5116.817351.92
road and skidding road85.4418.6109.3142.4296.3171.241123.34
road and cable line4.52125.9812.4127.71624.094.72079.35
road and flight path1.43812.3128.9159.8148.2152.03142.67
no access intended12.21316.41118.81017.01031.8840.26136.44
total372.11105.8470.9445.0684.8454.95733.51
inside perimeterroad and skidding track2.7273.0261.0452.3292.3290.85012.113
road and skidding road0.4711.2411.2410.4711.0451.0455.220
road and cable line0.47112.2127.81512.01211.9124.32148.66
road and flight path0.21002.0323.2256.3172.3292.23016.111
no access intended1.0453.0262.8274.1223.4246.01820.310
total4.72021.4916.01125.1821.0914.211102.34
outside perimeterroad and skidding track27.8824.5916.71010.7136.71711.61397.94
road and skidding road17.11118.21010.9133.6236.2183.82359.86
road and cable line4.12236.6722.9918.21035.2724.98141.93
road and flight path0.0.6.6174.32111.8124.4217.51634.77
no access intended3.7236.7178.11513.41212.41271.44115.74
total52.8692.6462.9457.6464.84119.22449.92
totalroad and skidding track299.0260.1539.0621.1923.5919.110461.81
road and skidding road102.9438.1721.496.31713.5126.018188.33
road and cable line9.11574.8443.1637.9671.1433.97269.82
road and flight path1.63520.8916.51027.9815.01111.61393.44
no access intended16.91126.1829.7834.5747.66117.73272.42
total429.51219.81149.72127.72170.62188.411285.70
© WSL, Swiss National Forest Inventory, 18.06.2020 #862420/328751
NFI4
forest area
avalanches SilvaProtect · concept of transportation system
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
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aroad and skidding track250.0218.71016.0116.81717.7100.850310.02
road and skidding road77.7515.2118.0152.8274.8206.917115.44
road and cable line9.71428.1814.8117.21623.595.51988.75
road and flight path0.0.6.7178.21512.11316.11111.61354.76
no access intended28.8824.1910.5135.5191.4387.31677.65
total366.3192.7457.4534.3763.5532.07646.31
inside perimeterroad and skidding track0.8500.8500.9501.8333.1250.21007.716
road and skidding road2.1310.8500.6580.4710.21000.4714.521
road and cable line1.04511.9138.21511.5129.9144.62047.16
road and flight path0.21004.8203.7238.2155.5197.51630.08
no access intended0.6582.0321.2411.8330.21000.8506.617
total4.72020.4914.61123.7819.01013.41195.84
outside perimeterroad and skidding track17.71013.61215.2117.01611.1132.03266.75
road and skidding road21.3914.0126.9163.0262.62810.11457.96
road and cable line6.11842.9624.5820.1936.0728.08157.53
road and flight path1.0453.5234.92020.8910.51353.1593.84
no access intended5.71814.2124.0224.9200.210011.41340.47
total51.8688.3455.5555.8460.35104.53416.32
totalroad and skidding track268.6233.2732.1715.61132.072.926384.32
road and skidding road101.1430.0815.5116.2187.61617.310177.73
road and cable line16.81182.9447.4538.8669.4438.06293.32
road and flight path1.24115.01116.91041.0632.1772.34178.53
no access intended35.1740.3715.71112.2121.73319.510124.54
total422.81201.41127.52113.82142.82150.021158.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #862421/328752
NFI4
forest area
avalanches SilvaProtect · concept of transportation system
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 SilvaProtectconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aroad and skidding track253.4219.51017.0107.21617.7100.850315.62
road and skidding road78.5515.8118.6153.8235.4197.716119.84
road and cable line9.91430.1816.0117.81624.985.71894.34
road and flight path0.0.7.7169.61414.71119.91013.21265.25
no access intended29.2825.7911.1136.7171.53510.21484.55
total371.1198.8462.2540.2669.5437.57679.31
inside perimeterroad and skidding track0.8500.8500.9501.8333.4240.21007.916
road and skidding road2.1310.8500.6580.4710.21000.4714.521
road and cable line1.04512.1128.41511.7129.9144.62047.76
road and flight path0.21004.8203.9228.2155.7187.51630.48
no access intended0.6582.0321.4381.8330.21000.8506.817
total4.72020.6915.21123.9819.4913.41197.24
outside perimeterroad and skidding track17.91013.91215.2117.21611.7132.03267.95
road and skidding road21.3914.0126.9163.0262.62810.21458.16
road and cable line6.11843.3625.3820.4937.2628.27160.33
road and flight path1.0453.7235.11921.4911.11355.1597.54
no access intended5.91814.4124.4215.1190.210011.81341.77
total52.2689.4456.9557.0462.74107.33425.52
totalroad and skidding track272.1234.2733.1716.21032.872.926391.32
road and skidding road101.9430.6816.1107.2168.21518.310182.33
road and cable line17.01185.5449.6539.9672.0438.46302.42
road and flight path1.24116.31118.61044.3636.7775.94193.03
no access intended35.7742.1616.91013.6121.93222.89132.94
total427.91208.71134.32121.12151.62158.321201.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #862422/328753
NFI4
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aroad and skidding track250.3218.71016.0117.01718.7100.850311.42
road and skidding road77.7515.4118.0152.8274.8207.516116.24
road and cable line9.71428.5815.6117.61626.186.21793.74
road and flight path0.0.8.51512.01315.31129.2813.01278.05
no access intended28.8826.9814.3117.7161.63517.41096.74
total366.5197.9465.8540.4680.4444.96696.01
inside perimeterroad and skidding track0.8500.8500.9501.8333.1250.21007.716
road and skidding road2.1310.8500.6580.4710.21000.4714.521
road and cable line1.04511.9138.21511.71210.3134.62047.76
road and flight path0.21004.8203.7238.6155.7187.91531.08
no access intended0.6582.0321.6351.8330.21000.8507.017
total4.72020.4915.01124.3819.6913.81197.84
outside perimeterroad and skidding track17.71013.61215.2117.01611.3132.03266.95
road and skidding road21.3914.0126.9163.0262.62810.41358.36
road and cable line6.11842.9624.7820.1936.8728.47159.03
road and flight path1.0453.5235.11920.8911.11356.5597.94
no access intended5.71814.4124.6214.9200.210013.71243.57
total51.8688.5456.5555.8461.95111.03425.62
totalroad and skidding track268.8233.2732.1715.81133.272.926385.92
road and skidding road101.1430.2815.5116.2187.61618.310178.93
road and cable line16.81183.3448.4539.4673.2439.26300.42
road and flight path1.24116.81020.9944.7646.0677.44207.03
no access intended35.1743.3620.5914.4111.93231.97147.13
total423.01206.81137.32120.52162.02169.721219.31
© WSL, Swiss National Forest Inventory, 18.06.2020 #862423/328754
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aroad and skidding track267.8230.2721.798.41414.1116.416348.72
road and skidding road85.0418.1109.3132.3287.0151.338123.04
road and cable line4.81925.8813.4117.71523.484.71979.85
road and flight path1.33812.2128.8149.9138.9142.12943.26
no access intended12.81216.91018.6918.11031.2739.16136.83
total371.71103.2371.8446.4584.6453.75731.51
inside perimeterroad and skidding track2.4273.0241.0412.5262.3280.75011.812
road and skidding road0.4711.2381.1410.3710.9450.9454.819
road and cable line0.75012.7117.51511.81112.5114.22049.56
road and flight path0.21001.9303.4236.1172.4272.12916.210
no access intended1.1413.2233.3234.4203.2236.61621.89
total4.71922.2916.31025.1721.3814.510104.14
outside perimeterroad and skidding track27.7824.0818.0910.8127.41511.21299.04
road and skidding road16.61019.1910.3133.3236.1174.02159.45
road and cable line4.42037.4622.3817.3933.8624.58139.73
road and flight path0.0.6.5164.02111.8124.5207.81534.67
no access intended3.7227.3158.01512.81112.31271.74115.93
total52.5594.3362.5456.0464.24119.22448.61
totalroad and skidding track297.9157.2540.7621.6823.8818.39459.51
road and skidding road102.1438.5620.696.01714.0116.117187.23
road and cable line9.91376.0443.1536.8669.8433.56269.02
road and flight path1.53520.6916.31027.8715.81012.01294.04
no access intended17.61027.5830.0735.3646.76117.53274.52
total428.91219.71150.62127.52170.12187.411284.20
© WSL, Swiss National Forest Inventory, 18.06.2020 #862424/328755
NFI4
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aroad and skidding track253.6219.51017.4107.21619.1100.850317.62
road and skidding road78.5516.0118.6154.0225.4198.015120.64
road and cable line9.91430.5817.0108.01527.986.41799.74
road and flight path0.0.9.51413.41218.61033.8714.41189.75
no access intended29.2828.7816.1118.7151.73319.810104.34
total371.31104.2472.4446.5688.0449.46731.81
inside perimeterroad and skidding track0.8500.8500.9501.8333.4240.21007.916
road and skidding road2.1310.8500.6580.4710.21000.4714.521
road and cable line1.04512.1128.41511.71210.3134.62048.16
road and flight path0.21004.8203.9228.6155.9187.91531.48
no access intended0.6582.0321.8331.8330.21000.8507.117
total4.72020.6915.61124.3820.0913.81199.04
outside perimeterroad and skidding track17.91013.91215.2117.21611.9122.03268.15
road and skidding road21.3914.0126.9163.0262.62810.61358.56
road and cable line6.11843.3625.3820.4937.8628.67161.33
road and flight path1.0453.7235.31921.4912.11257.75101.24
no access intended5.91814.8114.6215.1190.210014.51145.16
total52.2689.8457.3557.0464.54113.43434.12
totalroad and skidding track272.3234.2733.5716.21034.472.926393.52
road and skidding road101.9430.8816.1107.4168.21519.110183.53
road and cable line17.01185.9450.6540.1676.0439.66309.22
road and flight path1.24118.11022.6948.5551.8680.04222.33
no access intended35.7745.5622.5915.6112.13035.17156.53
total428.11214.51145.32127.82172.52176.621264.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #862425/328756
NFI4
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aroad and skidding track254.2219.51017.4107.61619.1100.850318.62
road and skidding road78.9516.0118.6154.0225.4198.215121.24
road and cable line9.91431.3817.6108.01528.386.417101.54
road and flight path0.47110.51414.61121.5936.9715.61199.64
no access intended30.2833.8719.11011.4131.73327.78123.94
total373.71111.1377.3452.5591.6458.75764.71
inside perimeterroad and skidding track0.8500.8500.9501.8333.4240.21007.916
road and skidding road2.1310.8500.6580.6580.21000.4714.621
road and cable line1.04512.3128.61511.71210.3134.62048.56
road and flight path0.21005.0204.1229.2146.8177.91533.18
no access intended0.8502.2302.0311.8330.21001.0458.016
total4.92021.2916.21025.1820.8914.011102.24
outside perimeterroad and skidding track17.91013.91215.4117.21612.1122.03268.45
road and skidding road21.3914.3127.1163.0262.62810.61358.96
road and cable line6.11843.7626.3820.6938.2629.07163.83
road and flight path1.0454.1227.21622.1913.41258.55106.44
no access intended6.01815.5115.6195.3190.55819.41052.46
total52.3691.4461.6458.2466.84119.42449.92
totalroad and skidding track272.9234.2733.6716.61034.672.926394.92
road and skidding road102.3431.1816.3107.6168.21519.310184.73
road and cable line17.01187.3452.5540.3676.8439.96313.82
road and flight path1.63519.71025.9852.9557.1582.04239.22
no access intended37.1751.4626.8818.5102.52848.06184.23
total430.91223.71155.12135.82179.22192.111316.80
© WSL, Swiss National Forest Inventory, 18.06.2020 #862426/328757
NFI4
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/aroad and skidding track250.7218.71016.0117.21618.7100.850312.02
road and skidding road77.9515.4118.0152.8274.8207.716116.64
road and cable line9.71429.3816.2117.61626.486.21795.34
road and flight path0.4719.51412.81217.31031.5814.21185.85
no access intended29.8830.7816.3119.2151.63524.79112.34
total368.51103.6469.3444.0683.0453.55721.91
inside perimeterroad and skidding track0.8500.8500.9501.8333.4240.21007.916
road and skidding road2.1310.8500.6580.6580.21000.4714.621
road and cable line1.04512.1128.41511.71210.3134.62048.16
road and flight path0.21005.0204.1229.2146.3177.91532.78
no access intended0.6582.2302.0311.8330.21001.0457.816
total4.72021.0916.01125.1820.4914.011101.24
outside perimeterroad and skidding track17.71013.91215.4117.01611.5132.03267.45
road and skidding road21.3914.3127.1163.0262.62810.61358.96
road and cable line6.11843.7626.3820.1937.2628.87162.23
road and flight path1.0454.1227.21621.9913.01258.35105.64
no access intended6.01815.1115.6195.1190.47118.81051.06
total52.2691.0461.6457.2464.64118.52445.12
totalroad and skidding track269.2233.4732.2716.01033.672.926387.32
road and skidding road101.3430.5815.7116.4177.61618.710180.13
road and cable line16.81185.1450.9539.4673.9439.66305.62
road and flight path1.63518.71024.1948.4550.9680.44224.13
no access intended36.5748.0623.9916.0112.13044.46171.03
total425.31215.61146.92126.32168.02186.011268.10
© WSL, Swiss National Forest Inventory, 18.06.2020 #862427/328758
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
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 regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track71.442.62711.11385.13
road and skidding road33.970.47010.51344.96
road and cable line1.4380.4712.5274.221
road and flight path1.0450.21000.0.1.241
no access intended5.6191.0452.7279.314
total113.324.62026.88144.81
Eastern Juraroad and skidding track30.050.0.2.92632.95
road and skidding road10.2130.0.0.65710.813
road and cable line0.7580.0.0.6581.341
road and flight path0.0.0.0.0.0.0.0.
no access intended0.7580.0.0.0.0.758
total41.630.0.4.12245.72
Western Plateauroad and skidding track31.550.0.3.32434.95
road and skidding road8.8140.0.1.34110.013
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.21000.0.0.0.0.2100
no access intended1.5370.0.0.4711.933
total42.030.0.5.01947.02
Central Plateauroad and skidding track46.740.0.6.01752.73
road and skidding road11.8120.0.2.32814.110
road and cable line0.21000.0.0.8501.045
road and flight path0.0.0.0.0.0.0.0.
no access intended0.8500.0.0.4701.240
total59.530.0.9.41369.01
Eastern Plateauroad and skidding track77.830.0.3.32481.23
road and skidding road18.3100.0.1.73320.09
road and cable line2.2300.0.0.21002.429
road and flight path0.0.0.0.0.0.0.0.
no access intended1.9320.0.0.21002.130
total100.220.0.5.519105.61
Western Pre-Alpsroad and skidding track6.1181.1454.92012.111
road and skidding road2.7260.4714.2227.216
road and cable line4.6202.0309.31415.99
road and flight path1.0500.7590.8512.530
no access intended1.2400.21001.2372.626
total15.6104.32120.4840.33
Central Pre-Alpsroad and skidding track17.6100.65813.21231.47
road and skidding road12.9120.75811.91225.48
road and cable line11.9123.02613.01227.97
road and flight path3.7221.0453.1257.815
no access intended1.8330.4710.4712.628
total47.955.61841.6595.12
Eastern Pre-Alpsroad and skidding track15.4110.55811.01226.97
road and skidding road7.5160.4717.31615.111
road and cable line5.7181.33810.71317.89
road and flight path2.1300.21001.2413.523
no access intended2.2300.21002.0324.421
total32.962.72632.1667.73
Northwestern Alpsroad and skidding track4.8201.4374.52110.613
road and skidding road1.7330.0.1.6353.324
road and cable line5.9186.51711.61224.07
road and flight path2.1310.21001.9334.222
no access intended3.1251.8334.0229.014
total17.61010.01323.5851.13
Central Alpsroad and skidding track1.6350.0.0.6582.229
road and skidding road0.7500.21001.0441.931
road and cable line2.5272.8243.2228.512
road and flight path2.5271.2401.5355.218
no access intended2.2290.6570.4713.123
total9.5124.8186.71520.95
Northeastern Alpsroad and skidding track1.7330.4733.4235.518
road and skidding road0.4720.5571.0451.932
road and cable line1.8342.7265.91610.412
road and flight path1.1451.2410.5572.826
no access intended2.6261.5381.8336.017
total7.6156.41612.71026.65
Southwestern Alpsroad and skidding track6.5172.3299.71318.59
road and skidding road1.2410.4713.6235.119
road and cable line5.81811.61216.91034.46
road and flight path4.3215.51910.61320.59
no access intended6.6173.12510.81320.59
total24.5822.9851.6599.02
Southeastern Alpsroad and skidding track13.1121.7335.71820.59
road and skidding road4.7201.0455.02010.713
road and cable line18.41010.91332.4761.74
road and flight path3.0261.9323.8238.815
no access intended11.5131.3386.91619.79
total50.6517.01053.75121.32
Southern Alpsroad and skidding track5.0200.6589.81415.411
road and skidding road0.8500.8503.0264.621
road and cable line3.5234.32122.3930.27
road and flight path0.4712.0326.6178.915
no access intended10.4134.32149.3563.94
total20.1911.91291.13123.12
Switzerlandroad and skidding track329.1211.41389.55430.02
road and skidding road115.744.82054.86175.33
road and cable line64.5545.66129.54239.62
road and flight path21.61014.01229.9865.55
no access intended52.1614.41280.54147.03
total583.0190.14384.321057.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #862428/328759
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
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
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track75.042.62711.51289.23
road and skidding road35.370.47010.51346.36
road and cable line1.4380.4712.5274.221
road and flight path1.0450.21000.0.1.241
no access intended5.8181.0452.7279.514
total118.624.62027.27150.51
Eastern Juraroad and skidding track30.650.0.2.92633.55
road and skidding road10.5130.0.0.65711.112
road and cable line0.7580.0.0.6581.341
road and flight path0.0.0.0.0.0.0.0.
no access intended0.7580.0.0.0.0.758
total42.430.0.4.12246.62
Western Plateauroad and skidding track33.450.0.3.32436.74
road and skidding road9.0140.0.1.34110.213
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.21000.0.0.0.0.2100
no access intended1.5370.0.0.4711.933
total44.130.0.5.01949.12
Central Plateauroad and skidding track47.140.0.6.01753.13
road and skidding road11.8120.0.2.32814.110
road and cable line0.21000.0.0.8501.045
road and flight path0.0.0.0.0.0.0.0.
no access intended0.8500.0.0.4701.240
total59.920.0.9.41369.31
Eastern Plateauroad and skidding track79.430.0.3.32482.73
road and skidding road18.690.0.1.73320.39
road and cable line2.2300.0.0.21002.429
road and flight path0.0.0.0.0.0.0.0.
no access intended1.9320.0.0.21002.130
total102.110.0.5.519107.61
Western Pre-Alpsroad and skidding track6.3171.1454.92012.311
road and skidding road3.2250.4714.4217.915
road and cable line5.2192.2289.81317.29
road and flight path1.7370.7590.8513.126
no access intended2.3290.21001.6334.121
total18.694.52021.5844.63
Central Pre-Alpsroad and skidding track18.6100.65813.41232.67
road and skidding road12.9120.75812.11225.68
road and cable line13.1123.02613.21229.37
road and flight path4.9191.0453.3249.114
no access intended2.6280.4710.6583.523
total52.055.61842.65100.22
Eastern Pre-Alpsroad and skidding track17.5100.55811.61229.77
road and skidding road7.5160.4717.61615.510
road and cable line6.2171.33811.31218.89
road and flight path2.8270.21001.2414.121
no access intended2.8270.21002.0325.020
total36.762.72633.8673.22
Northwestern Alpsroad and skidding track7.0171.4374.92013.311
road and skidding road2.1300.0.1.6353.723
road and cable line6.9176.71712.21225.97
road and flight path4.5210.21002.1316.817
no access intended6.6172.1314.02212.712
total27.1810.41324.8762.33
Central Alpsroad and skidding track2.0310.0.1.0443.025
road and skidding road0.7500.21001.4372.328
road and cable line2.7263.0243.4229.112
road and flight path3.9221.4382.3287.615
no access intended5.8181.0440.8507.515
total15.1105.6178.91329.64
Northeastern Alpsroad and skidding track2.0300.4733.4235.917
road and skidding road0.4720.5571.0451.932
road and cable line3.0262.7266.11611.811
road and flight path1.7351.2410.5573.424
no access intended7.0161.7352.82611.412
total14.1106.61613.81034.54
Southwestern Alpsroad and skidding track7.5162.32910.51320.39
road and skidding road2.4290.4713.6236.317
road and cable line7.71612.01218.21037.96
road and flight path8.8156.11811.01325.98
no access intended14.0123.52312.61230.17
total40.4624.3855.84120.52
Southeastern Alpsroad and skidding track14.0122.1306.71722.89
road and skidding road6.3171.0456.01813.312
road and cable line23.4911.31334.6769.44
road and flight path7.6162.1304.42114.212
no access intended29.083.02610.31342.36
total80.4419.6961.95162.02
Southern Alpsroad and skidding track6.4170.85011.01318.210
road and skidding road1.0451.0453.8235.818
road and cable line4.5214.32124.3833.17
road and flight path2.0312.0327.51611.413
no access intended31.075.81864.45101.23
total44.9613.811111.03169.72
Switzerlandroad and skidding track346.8211.91394.54453.31
road and skidding road121.845.02057.86184.63
road and cable line77.0547.06137.23261.22
road and flight path39.0715.01133.0887.15
no access intended111.9418.710102.64233.23
total696.6197.74425.221219.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #862429/328760
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
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 regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track75.842.62712.01290.43
road and skidding road35.770.47010.51346.75
road and cable line1.4380.4712.5274.221
road and flight path1.0450.21000.0.1.241
no access intended6.3181.0452.7279.914
total120.224.62027.67152.51
Eastern Juraroad and skidding track30.650.0.2.92633.55
road and skidding road10.5130.0.0.65711.112
road and cable line0.7580.0.0.6581.341
road and flight path0.0.0.0.0.0.0.0.
no access intended0.7580.0.0.0.0.758
total42.430.0.4.12246.62
Western Plateauroad and skidding track34.050.0.3.32437.34
road and skidding road9.0140.0.1.53810.413
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.21000.0.0.0.0.2100
no access intended1.5370.0.0.4711.933
total44.730.0.5.21949.92
Central Plateauroad and skidding track47.940.0.6.01753.93
road and skidding road12.0120.0.2.32814.310
road and cable line0.21000.0.0.8501.045
road and flight path0.0.0.0.0.0.0.0.
no access intended0.8500.0.0.4701.240
total60.920.0.9.41370.31
Eastern Plateauroad and skidding track79.830.0.3.32483.13
road and skidding road18.690.0.1.73320.39
road and cable line2.2300.0.0.21002.429
road and flight path0.0.0.0.0.0.0.0.
no access intended2.1300.0.0.21002.329
total102.710.0.5.519108.11
Western Pre-Alpsroad and skidding track6.3171.1454.92012.311
road and skidding road3.4240.4714.6218.415
road and cable line5.2192.22810.01317.49
road and flight path1.2450.7590.8512.729
no access intended2.1310.21001.4353.722
total18.294.52021.7844.43
Central Pre-Alpsroad and skidding track19.0100.65813.61233.27
road and skidding road12.9120.75812.31225.88
road and cable line13.1123.02613.61229.67
road and flight path4.5201.0453.3248.814
no access intended2.2300.4710.6583.125
total51.655.61843.45100.62
Eastern Pre-Alpsroad and skidding track17.5100.55811.81229.97
road and skidding road7.9150.4718.31516.610
road and cable line6.2171.33811.31218.89
road and flight path2.8270.21001.2414.121
no access intended2.2300.21002.0324.421
total36.662.72634.5673.82
Northwestern Alpsroad and skidding track7.2161.4375.51914.111
road and skidding road1.9310.21001.6353.723
road and cable line6.9176.71712.21225.97
road and flight path4.1220.21002.1316.417
no access intended4.8202.1314.02210.813
total24.9810.61325.3760.93
Central Alpsroad and skidding track2.0310.0.1.0443.025
road and skidding road0.9450.21001.4372.527
road and cable line2.5273.0243.4228.912
road and flight path3.3241.2401.9316.416
no access intended4.0210.8500.4715.219
total12.7105.2188.11326.04
Northeastern Alpsroad and skidding track2.2290.4733.4236.117
road and skidding road0.6590.5571.2412.329
road and cable line2.3292.7266.11611.111
road and flight path1.1451.2410.5572.826
no access intended3.6221.7353.0268.214
total9.8136.61614.2930.64
Southwestern Alpsroad and skidding track7.7162.32910.51320.59
road and skidding road2.2300.4713.6236.118
road and cable line7.31611.81218.21037.26
road and flight path7.8165.91811.01324.78
no access intended10.3143.32412.61226.28
total35.3723.7855.84114.82
Southeastern Alpsroad and skidding track14.5112.1306.51723.09
road and skidding road6.3171.0456.21813.512
road and cable line22.0911.71234.4768.14
road and flight path5.4192.1304.42112.013
no access intended16.9102.4299.71429.08
total65.1519.4961.15145.62
Southern Alpsroad and skidding track6.4170.85011.01318.210
road and skidding road1.0451.0453.6235.619
road and cable line4.3214.32124.5833.17
road and flight path1.6352.2307.31611.113
no access intended20.395.61859.8585.84
total33.6713.811106.33153.72
Switzerlandroad and skidding track350.8211.91395.74458.51
road and skidding road123.045.22059.36187.53
road and cable line74.2547.26137.73259.02
road and flight path33.0814.81132.5880.35
no access intended77.7517.51197.14192.43
total658.7196.74422.321177.71
© WSL, Swiss National Forest Inventory, 18.06.2020 #862430/328761
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2004/06
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track75.842.62712.01290.43
road and skidding road35.770.47010.51346.75
road and cable line1.4380.4712.5274.221
road and flight path1.0450.21000.0.1.241
no access intended6.3181.0452.7279.914
total120.224.62027.67152.51
Eastern Juraroad and skidding track30.650.0.2.92633.55
road and skidding road10.5130.0.0.65711.112
road and cable line0.7580.0.0.6581.341
road and flight path0.0.0.0.0.0.0.0.
no access intended0.7580.0.0.0.0.758
total42.430.0.4.12246.62
Western Plateauroad and skidding track34.050.0.3.32437.34
road and skidding road9.0140.0.1.53810.413
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.21000.0.0.0.0.2100
no access intended1.5370.0.0.4711.933
total44.730.0.5.21949.92
Central Plateauroad and skidding track47.940.0.6.01753.93
road and skidding road12.0120.0.2.32814.310
road and cable line0.21000.0.0.8501.045
road and flight path0.0.0.0.0.0.0.0.
no access intended0.8500.0.0.4701.240
total60.920.0.9.41370.31
Eastern Plateauroad and skidding track79.830.0.3.32483.13
road and skidding road18.690.0.1.73320.39
road and cable line2.2300.0.0.21002.429
road and flight path0.0.0.0.0.0.0.0.
no access intended2.1300.0.0.21002.329
total102.710.0.5.519108.11
Western Pre-Alpsroad and skidding track6.3171.1454.92012.311
road and skidding road3.4240.4714.6218.415
road and cable line5.2192.22810.01317.49
road and flight path1.7370.7590.8513.126
no access intended2.5280.21001.6334.321
total19.094.52021.9745.53
Central Pre-Alpsroad and skidding track19.0100.65813.61233.27
road and skidding road12.9120.75812.31225.88
road and cable line13.1123.02613.61229.67
road and flight path4.9191.0453.3249.114
no access intended2.6280.4710.6583.523
total52.455.61843.45101.42
Eastern Pre-Alpsroad and skidding track17.5100.55811.81229.97
road and skidding road7.9150.4718.31516.610
road and cable line6.2171.33811.51219.09
road and flight path2.8270.21001.2414.121
no access intended2.8270.21002.0325.020
total37.262.72634.8674.62
Northwestern Alpsroad and skidding track7.2161.4375.51914.111
road and skidding road2.1300.21001.6353.922
road and cable line6.9176.71712.21225.97
road and flight path4.9200.21002.1317.216
no access intended7.0172.1314.02213.112
total28.1710.61325.3764.13
Central Alpsroad and skidding track2.0310.0.1.0443.025
road and skidding road0.9450.21001.4372.527
road and cable line2.7263.0243.4229.112
road and flight path3.9221.4382.3287.615
no access intended6.4171.0440.8508.215
total15.995.6178.91330.44
Northeastern Alpsroad and skidding track2.2290.4733.4236.117
road and skidding road0.6590.5571.2412.329
road and cable line3.0262.7266.11611.811
road and flight path1.7351.2410.5573.424
no access intended7.0161.7353.02611.612
total14.5106.61614.2935.24
Southwestern Alpsroad and skidding track7.7162.32910.51320.59
road and skidding road2.4290.4713.6236.317
road and cable line7.71612.01218.21037.96
road and flight path9.2156.11811.01326.38
no access intended14.2123.52312.61230.37
total41.2624.3855.84121.32
Southeastern Alpsroad and skidding track14.5112.1306.71723.29
road and skidding road6.3171.0456.21813.512
road and cable line23.6911.91234.6770.14
road and flight path7.8162.1304.42114.412
no access intended30.083.02610.71343.66
total82.3420.2962.55164.92
Southern Alpsroad and skidding track6.6170.85011.21318.610
road and skidding road1.0451.0453.8235.818
road and cable line4.7204.32124.5833.57
road and flight path2.0312.2307.51611.613
no access intended32.076.01864.95102.93
total46.2614.211111.93172.42
Switzerlandroad and skidding track351.0211.91396.14459.11
road and skidding road123.445.22059.56188.13
road and cable line77.4547.66138.13263.12
road and flight path40.1715.21133.0888.35
no access intended115.8418.910103.84238.52
total707.8198.94430.621237.21
© WSL, Swiss National Forest Inventory, 18.06.2020 #862431/328762
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
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 regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track75.042.62711.51289.23
road and skidding road35.370.47010.51346.36
road and cable line1.4380.4712.5274.221
road and flight path1.0450.21000.0.1.241
no access intended5.8181.0452.7279.514
total118.624.62027.27150.51
Eastern Juraroad and skidding track30.650.0.2.92633.55
road and skidding road10.5130.0.0.65711.112
road and cable line0.7580.0.0.6581.341
road and flight path0.0.0.0.0.0.0.0.
no access intended0.7580.0.0.0.0.758
total42.430.0.4.12246.62
Western Plateauroad and skidding track33.450.0.3.32436.74
road and skidding road9.0140.0.1.34110.213
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.21000.0.0.0.0.2100
no access intended1.5370.0.0.4711.933
total44.130.0.5.01949.12
Central Plateauroad and skidding track46.940.0.6.01752.93
road and skidding road11.8120.0.2.32814.110
road and cable line0.21000.0.0.8501.045
road and flight path0.0.0.0.0.0.0.0.
no access intended0.8500.0.0.4701.240
total59.730.0.9.41369.11
Eastern Plateauroad and skidding track79.430.0.3.32482.73
road and skidding road18.690.0.1.73320.39
road and cable line2.2300.0.0.21002.429
road and flight path0.0.0.0.0.0.0.0.
no access intended1.9320.0.0.21002.130
total102.110.0.5.519107.61
Western Pre-Alpsroad and skidding track6.3171.1454.92012.311
road and skidding road3.2250.4714.4217.915
road and cable line5.2192.2289.81317.29
road and flight path1.2450.7590.8512.729
no access intended1.7340.21001.4353.324
total17.694.52021.3843.33
Central Pre-Alpsroad and skidding track18.6100.65813.41232.67
road and skidding road12.9120.75812.11225.68
road and cable line13.1123.02613.21229.37
road and flight path4.5201.0453.3248.814
no access intended2.2300.4710.6583.125
total51.255.61842.6599.42
Eastern Pre-Alpsroad and skidding track17.5100.55811.61229.77
road and skidding road7.5160.4717.61615.510
road and cable line6.2171.33811.11218.69
road and flight path2.8270.21001.2414.121
no access intended2.2300.21002.0324.421
total36.162.72633.5672.32
Northwestern Alpsroad and skidding track7.0171.4374.92013.311
road and skidding road1.9310.0.1.6353.523
road and cable line6.9176.71712.21225.97
road and flight path3.5240.21002.1315.818
no access intended4.4212.1314.02210.413
total23.7810.41324.8758.93
Central Alpsroad and skidding track2.0310.0.1.0443.025
road and skidding road0.7500.21001.4372.328
road and cable line2.5273.0243.4228.912
road and flight path3.3241.2401.9316.416
no access intended3.6230.8500.4714.719
total12.1115.2188.11325.44
Northeastern Alpsroad and skidding track2.0300.4733.4235.917
road and skidding road0.4720.5571.0451.932
road and cable line2.3292.7266.11611.111
road and flight path1.1451.2410.5572.826
no access intended3.6221.7352.8268.014
total9.5136.61613.81029.85
Southwestern Alpsroad and skidding track7.5162.32910.51320.39
road and skidding road2.2300.4713.6236.118
road and cable line7.31611.81218.21037.26
road and flight path7.2165.91811.01324.18
no access intended10.1143.32412.61226.18
total34.3723.7855.84113.82
Southeastern Alpsroad and skidding track14.0122.1306.51722.69
road and skidding road6.3171.0455.81813.112
road and cable line21.8911.31334.4767.54
road and flight path5.2192.1304.42111.813
no access intended16.1112.4299.31427.88
total63.5519.01060.35142.82
Southern Alpsroad and skidding track6.0180.85010.81317.610
road and skidding road1.0451.0453.4245.419
road and cable line4.1224.32124.3832.77
road and flight path1.6352.0327.21610.713
no access intended19.3105.41958.9583.64
total32.0713.411104.53150.02
Switzerlandroad and skidding track346.2211.91394.14452.32
road and skidding road121.445.02057.26183.63
road and cable line73.8546.86136.73257.32
road and flight path31.6814.61232.3878.55
no access intended74.0517.31195.64186.93
total646.9195.74415.921158.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #862432/328763
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest
grid: terrestrial grid NFI3
state2004/06
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track74.542.42711.51288.43
road and skidding road36.660.47110.11347.15
road and cable line1.6330.5582.8254.919
road and flight path0.9450.21000.0.1.141
no access intended7.2151.1412.62610.912
total120.824.52027.07152.31
Eastern Juraroad and skidding track30.650.0.3.22433.94
road and skidding road10.1120.0.0.55710.612
road and cable line0.8500.0.0.6581.438
road and flight path0.0.0.0.0.0.0.0.
no access intended0.6580.0.0.0.0.658
total42.230.0.4.32046.52
Western Plateauroad and skidding track34.150.0.3.12437.24
road and skidding road8.7140.0.1.53510.212
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.21000.0.0.0.0.2100
no access intended1.5350.0.0.4711.931
total44.530.0.5.01849.62
Central Plateauroad and skidding track47.740.0.5.81653.53
road and skidding road12.3110.0.2.52514.810
road and cable line0.21000.21000.8451.238
road and flight path0.0.0.0.0.0.0.0.
no access intended0.7500.0.0.4701.141
total60.920.21009.61270.71
Eastern Plateauroad and skidding track80.230.0.3.52283.72
road and skidding road17.690.0.1.53319.29
road and cable line2.1290.0.0.21002.327
road and flight path0.0.0.0.0.0.0.0.
no access intended1.9300.0.0.4712.328
total101.810.0.5.617107.51
Western Pre-Alpsroad and skidding track5.9171.0444.71911.611
road and skidding road3.3220.3715.0188.713
road and cable line5.2182.42610.21217.88
road and flight path1.4370.7510.9453.025
no access intended2.4270.21001.6314.220
total18.284.61922.5745.33
Central Pre-Alpsroad and skidding track17.890.55813.31131.77
road and skidding road12.5120.75012.51125.77
road and cable line12.7113.22314.01130.07
road and flight path5.1180.9453.5229.413
no access intended3.1230.6580.7504.420
total51.256.01744.15101.22
Eastern Pre-Alpsroad and skidding track17.390.55813.01030.86
road and skidding road7.7150.4717.71415.810
road and cable line6.2161.33511.31218.98
road and flight path2.6260.21001.0413.821
no access intended2.5270.3702.4275.218
total36.362.62535.5574.52
Northwestern Alpsroad and skidding track6.4161.6335.61713.611
road and skidding road2.0290.21001.7314.021
road and cable line6.9166.91512.31126.27
road and flight path4.6190.21001.8316.516
no access intended7.0162.1294.22013.311
total27.0711.01225.6763.53
Central Alpsroad and skidding track2.2280.0.1.1413.323
road and skidding road1.1410.21001.3372.526
road and cable line2.8243.0233.4219.211
road and flight path4.0201.6332.3278.014
no access intended6.3161.1400.7508.014
total16.495.9168.81231.04
Northeastern Alpsroad and skidding track2.3260.5593.5226.315
road and skidding road0.6580.5571.1412.129
road and cable line3.7222.4266.01512.110
road and flight path1.6331.1410.4573.223
no access intended7.4151.8322.82511.911
total15.696.21613.8935.64
Southwestern Alpsroad and skidding track8.1142.52610.61221.18
road and skidding road2.3280.3713.3236.017
road and cable line7.71511.81117.3936.86
road and flight path9.4146.01710.91226.28
no access intended15.3103.92111.91231.17
total42.7624.5754.04121.22
Southeastern Alpsroad and skidding track14.1112.1297.41523.68
road and skidding road7.0150.9456.11714.011
road and cable line23.1812.51133.3668.94
road and flight path8.5142.1294.52015.111
no access intended29.472.92510.51342.86
total82.2420.4961.94164.52
Southern Alpsroad and skidding track6.3170.75010.81217.810
road and skidding road1.1410.9454.0215.917
road and cable line4.6194.22024.0832.87
road and flight path2.1292.1297.81512.012
no access intended30.876.61665.04102.53
total44.9614.510111.62171.01
Switzerlandroad and skidding track347.4211.71297.44456.51
road and skidding road122.844.81959.05186.63
road and cable line77.6548.56136.23262.42
road and flight path40.5715.01133.1788.64
no access intended116.2420.49103.64240.22
total704.71100.44429.221234.31
© WSL, Swiss National Forest Inventory, 18.06.2020 #862433/328764
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
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 regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track74.542.42711.51288.43
road and skidding road36.660.47110.11347.15
road and cable line1.6330.5582.8254.919
road and flight path0.9450.21000.0.1.141
no access intended7.2151.1412.62610.912
total120.824.52027.07152.31
Eastern Juraroad and skidding track30.650.0.3.22433.94
road and skidding road10.1120.0.0.55710.612
road and cable line0.8500.0.0.6581.438
road and flight path0.0.0.0.0.0.0.0.
no access intended0.6580.0.0.0.0.658
total42.230.0.4.32046.52
Western Plateauroad and skidding track34.150.0.3.12437.24
road and skidding road8.7140.0.1.53510.212
road and cable line0.0.0.0.0.0.0.0.
road and flight path0.21000.0.0.0.0.2100
no access intended1.5350.0.0.4711.931
total44.530.0.5.01849.62
Central Plateauroad and skidding track47.740.0.5.81653.53
road and skidding road12.3110.0.2.52514.810
road and cable line0.21000.21000.8451.238
road and flight path0.0.0.0.0.0.0.0.
no access intended0.7500.0.0.4701.141
total60.920.21009.61270.71
Eastern Plateauroad and skidding track80.230.0.3.52283.72
road and skidding road17.690.0.1.53319.29
road and cable line2.1290.0.0.21002.327
road and flight path0.0.0.0.0.0.0.0.
no access intended1.9300.0.0.4712.328
total101.810.0.5.617107.51
Western Pre-Alpsroad and skidding track5.9171.0444.71911.611
road and skidding road3.3220.3715.0188.713
road and cable line5.2182.42610.21217.88
road and flight path1.0450.7510.9452.626
no access intended2.0290.21001.4333.621
total17.584.61922.3744.33
Central Pre-Alpsroad and skidding track17.890.55813.31131.77
road and skidding road12.5120.75012.51125.77
road and cable line12.7113.22314.01130.07
road and flight path4.7180.9453.5229.113
no access intended2.4270.6580.7503.722
total50.156.01744.15100.22
Eastern Pre-Alpsroad and skidding track17.390.55813.01030.86
road and skidding road7.7150.4717.71415.810
road and cable line6.2161.33511.11218.78
road and flight path2.6260.21001.0413.821
no access intended2.0300.3702.4274.719
total35.862.62535.3573.72
Northwestern Alpsroad and skidding track6.4161.6335.61713.611
road and skidding road1.9300.21001.7313.821
road and cable line6.7166.91512.31126.07
road and flight path3.7220.21001.8315.717
no access intended4.7192.1294.22011.012
total23.4811.01225.6760.03
Central Alpsroad and skidding track2.2280.0.1.1413.323
road and skidding road1.1410.21001.3372.526
road and cable line2.6253.0233.4219.011
road and flight path3.3221.5352.0296.815
no access intended3.6220.9450.4714.918
total12.8105.5178.11326.44
Northeastern Alpsroad and skidding track2.3260.5593.3226.116
road and skidding road0.6580.5571.1412.129
road and cable line3.1232.4266.01511.510
road and flight path1.1411.1410.4572.625
no access intended3.7211.8322.8258.313
total10.8116.21613.6930.74
Southwestern Alpsroad and skidding track8.1142.52610.61221.18
road and skidding road2.1290.3713.3235.817
road and cable line7.31511.61217.3936.26
road and flight path7.9155.81710.91224.68
no access intended11.3123.72111.91226.97
total36.8623.9854.04114.72
Southeastern Alpsroad and skidding track14.1112.1297.31523.58
road and skidding road7.0150.9456.11714.011
road and cable line21.6912.31133.1667.14
road and flight path5.4182.1294.32011.812
no access intended17.0102.3289.51328.87
total65.1419.7960.34145.12
Southern Alpsroad and skidding track5.9170.75010.71317.310
road and skidding road1.1410.9453.8225.717
road and cable line4.0214.22024.0832.27
road and flight path1.8322.1297.61511.512
no access intended20.096.31659.9486.23
total32.8714.111106.03152.92
Switzerlandroad and skidding track347.1211.71296.94455.61
road and skidding road122.544.81958.85186.03
road and cable line74.4548.26135.83258.42
road and flight path32.7714.71132.3779.74
no access intended78.8519.1996.94194.93
total655.5198.44420.721174.60
© WSL, Swiss National Forest Inventory, 18.06.2020 #862434/328765
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: economic region
unit: 1000 ha
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track75.042.62711.51289.23
road and skidding road35.370.47010.71346.56
road and cable line1.4380.4712.5274.221
road and flight path1.0450.21000.0.1.241
no access intended6.5171.0452.72710.114
total119.224.62027.47151.31
Eastern Juraroad and skidding track30.850.0.2.92633.75
road and skidding road10.5130.0.0.65711.112
road and cable line0.7580.0.0.6581.341
road and flight path0.0.0.0.0.0.0.0.
no access intended0.7580.0.0.0.0.758
total42.630.0.4.12246.82
Western Plateauroad and skidding track33.450.0.3.32436.74
road and skidding road9.0140.0.1.34110.213
road and cable line0.21000.0.0.0.0.2100
road and flight path0.21000.0.0.0.0.2100
no access intended1.9330.0.0.4712.330
total44.730.0.5.01949.72
Central Plateauroad and skidding track47.540.0.6.21753.73
road and skidding road11.8120.0.2.32814.110
road and cable line0.21000.0.0.8501.045
road and flight path0.21000.0.0.0.0.2100
no access intended0.8500.0.0.4701.240
total60.520.0.9.61370.11
Eastern Plateauroad and skidding track79.430.0.3.32482.73
road and skidding road18.690.0.1.73320.39
road and cable line2.2300.0.0.21002.429
road and flight path0.0.0.0.0.0.0.0.
no access intended1.9320.0.0.21002.130
total102.110.0.5.519107.61
Western Pre-Alpsroad and skidding track6.3171.1454.92012.311
road and skidding road3.2250.4714.6218.215
road and cable line5.2192.2289.81317.29
road and flight path1.7370.7590.8513.126
no access intended3.1250.21001.8315.019
total19.494.52021.9745.83
Central Pre-Alpsroad and skidding track18.8100.65814.01133.57
road and skidding road12.9120.75812.11225.68
road and cable line13.4113.02613.81130.27
road and flight path5.1191.0453.6239.713
no access intended3.6230.4710.6584.521
total53.855.61844.25103.62
Eastern Pre-Alpsroad and skidding track17.5100.55812.31230.47
road and skidding road7.5160.4717.61615.510
road and cable line6.4171.53511.71219.69
road and flight path2.8270.21001.2414.121
no access intended3.3250.21002.0325.419
total37.462.92534.8675.02
Northwestern Alpsroad and skidding track7.0171.4374.92013.311
road and skidding road2.1300.0.1.6353.723
road and cable line7.1166.91612.21226.37
road and flight path5.1200.21002.1317.316
no access intended8.8152.4294.42115.711
total30.1711.01225.2766.33
Central Alpsroad and skidding track2.0310.0.1.0443.025
road and skidding road0.7500.21001.4372.328
road and cable line2.7263.4223.8219.911
road and flight path4.3201.6352.5278.314
no access intended7.4161.0441.4389.813
total17.196.11610.11233.34
Northeastern Alpsroad and skidding track2.0300.4733.4235.917
road and skidding road0.4720.5571.0451.932
road and cable line3.3242.7267.21513.210
road and flight path1.8331.5380.5573.822
no access intended7.2151.7354.72013.511
total14.9106.81616.7838.43
Southwestern Alpsroad and skidding track7.9152.32910.51320.79
road and skidding road2.4290.4713.6236.317
road and cable line7.71612.01218.21037.96
road and flight path9.4146.31711.61227.38
no access intended16.6114.12213.41234.17
total44.0625.1857.24126.32
Southeastern Alpsroad and skidding track14.0122.3296.71723.09
road and skidding road6.3171.0456.01813.312
road and cable line23.8911.31335.2770.44
road and flight path8.0162.3294.42114.811
no access intended30.883.42412.41246.66
total83.0420.4964.64168.02
Southern Alpsroad and skidding track6.4170.85011.41318.610
road and skidding road1.2411.0453.8236.018
road and cable line4.5214.32124.9833.77
road and flight path2.0312.2307.51611.613
no access intended39.475.81870.94116.13
total53.5514.011118.52186.01
Switzerlandroad and skidding track348.1212.11396.44456.61
road and skidding road122.045.02058.36185.33
road and cable line78.8547.86140.83267.42
road and flight path41.6716.11134.2791.94
no access intended131.9420.110115.14267.12
total722.41101.04444.921268.30
© WSL, Swiss National Forest Inventory, 18.06.2020 #862435/328766
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: economic region
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI3
state2004/06
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track74.742.42711.51288.63
road and skidding road36.660.47110.31347.25
road and cable line1.6330.5582.8254.919
road and flight path0.9450.21000.0.1.141
no access intended7.8151.1412.62611.512
total121.624.52027.27153.21
Eastern Juraroad and skidding track30.850.0.3.22434.04
road and skidding road10.1120.0.0.55710.612
road and cable line0.8500.0.0.6581.438
road and flight path0.0.0.0.0.0.0.0.
no access intended0.6580.0.0.0.0.658
total42.430.0.4.32046.72
Western Plateauroad and skidding track34.150.0.3.12437.24
road and skidding road8.9140.0.1.53510.412
road and cable line0.21000.0.0.0.0.2100
road and flight path0.21000.0.0.0.0.2100
no access intended1.9310.0.0.4712.328
total45.330.0.5.01850.32
Central Plateauroad and skidding track47.940.0.6.01653.93
road and skidding road12.3110.0.2.52514.810
road and cable line0.21000.21000.8451.238
road and flight path0.21000.0.0.0.0.2100
no access intended0.7500.0.0.4701.141
total61.320.21009.81271.21
Eastern Plateauroad and skidding track80.230.0.3.52283.72
road and skidding road17.690.0.1.53319.29
road and cable line2.1290.0.0.21002.327
road and flight path0.0.0.0.0.0.0.0.
no access intended1.9300.0.0.4712.328
total101.810.0.5.617107.51
Western Pre-Alpsroad and skidding track5.9171.0444.71911.611
road and skidding road3.3220.3715.0188.713
road and cable line5.4172.42610.21218.08
road and flight path1.4370.7510.9453.025
no access intended3.1230.21001.8295.018
total19.184.61922.6746.32
Central Pre-Alpsroad and skidding track18.090.55813.71132.36
road and skidding road12.7110.75012.71126.17
road and cable line13.1113.22314.41130.77
road and flight path5.4171.0413.82110.312
no access intended4.2200.6580.7505.518
total53.446.11745.45104.81
Eastern Pre-Alpsroad and skidding track17.490.55813.61031.56
road and skidding road7.7150.4717.91416.010
road and cable line6.4161.73111.51119.68
road and flight path2.6260.21001.0413.821
no access intended2.9250.3702.4275.617
total37.163.02336.4576.52
Northwestern Alpsroad and skidding track6.4161.6335.61713.611
road and skidding road2.0290.21001.9304.220
road and cable line7.2157.11512.51126.87
road and flight path5.3180.21001.8317.215
no access intended9.6132.5274.91817.09
total30.6711.51126.6668.72
Central Alpsroad and skidding track2.2280.0.1.1413.323
road and skidding road1.1410.21001.3372.526
road and cable line2.8243.3213.7209.911
road and flight path4.4191.8312.5268.713
no access intended7.9141.1401.33810.312
total18.486.4159.91134.73
Northeastern Alpsroad and skidding track2.3260.5593.5226.315
road and skidding road0.6580.5571.1412.129
road and cable line4.0202.4266.91413.310
road and flight path1.8321.5350.4573.821
no access intended7.5142.0304.32013.810
total16.296.91516.2839.33
Southwestern Alpsroad and skidding track8.4142.52610.81221.68
road and skidding road2.3280.3713.3236.017
road and cable line7.71511.81117.3936.86
road and flight path9.9136.11711.81227.87
no access intended18.1104.42012.81135.36
total46.4525.1756.04127.52
Southeastern Alpsroad and skidding track14.1112.3287.41523.88
road and skidding road7.0150.9456.11714.011
road and cable line23.4812.51133.8669.84
road and flight path8.9142.4274.52015.810
no access intended31.273.22312.31246.76
total84.6421.3864.24170.12
Southern Alpsroad and skidding track6.4160.75011.21218.39
road and skidding road1.3380.9454.0216.117
road and cable line4.7194.22024.5833.56
road and flight path2.1292.1297.81512.012
no access intended39.166.61671.74117.53
total53.7514.510119.22187.41
Switzerlandroad and skidding track348.9211.81299.14459.81
road and skidding road123.444.81959.75187.83
road and cable line79.7549.46139.23268.42
road and flight path43.1616.31034.5793.94
no access intended136.7321.89115.93274.42
total731.81104.24448.311284.30
© WSL, Swiss National Forest Inventory, 18.06.2020 #862436/328767
NFI3
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: economic region
unit: 1000 ha
unit of evaluation: forest
grid: 1.4 x 1.4 km grid
state2004/06
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track75.842.62712.01290.43
road and skidding road35.770.47010.71346.95
road and cable line1.4380.4712.5274.221
road and flight path1.0450.21000.0.1.241
no access intended6.9171.0452.72710.513
total120.924.62027.87153.31
Eastern Juraroad and skidding track30.850.0.2.92633.75
road and skidding road10.5130.0.0.65711.112
road and cable line0.7580.0.0.6581.341
road and flight path0.0.0.0.0.0.0.0.
no access intended0.7580.0.0.0.0.758
total42.630.0.4.12246.82
Western Plateauroad and skidding track34.050.0.3.32437.34
road and skidding road9.0140.0.1.53810.413
road and cable line0.21000.0.0.0.0.2100
road and flight path0.21000.0.0.0.0.2100
no access intended1.9330.0.0.4712.330
total45.330.0.5.21950.52
Central Plateauroad and skidding track48.140.0.6.21754.33
road and skidding road12.0120.0.2.32814.310
road and cable line0.21000.0.0.8501.045
road and flight path0.21000.0.0.0.0.2100
no access intended0.8500.0.0.4701.240
total61.320.0.9.61370.91
Eastern Plateauroad and skidding track79.830.0.3.32483.13
road and skidding road18.690.0.1.73320.39
road and cable line2.2300.0.0.21002.429
road and flight path0.0.0.0.0.0.0.0.
no access intended2.1300.0.0.21002.329
total102.710.0.5.519108.11
Western Pre-Alpsroad and skidding track6.3171.1454.92012.311
road and skidding road3.4240.4714.6218.415
road and cable line5.2192.22810.01317.49
road and flight path1.7370.7590.8513.126
no access intended3.1250.21001.8315.019
total19.684.52022.1746.23
Central Pre-Alpsroad and skidding track19.2100.65814.01133.97
road and skidding road12.9120.75812.31225.88
road and cable line13.4113.02614.01130.47
road and flight path5.1191.2413.6239.913
no access intended3.8230.4710.6584.720
total54.455.81844.65104.82
Eastern Pre-Alpsroad and skidding track17.5100.55812.51130.67
road and skidding road7.9150.4718.51516.810
road and cable line6.4171.53511.71219.69
road and flight path2.8270.21001.2414.121
no access intended3.3250.21002.0325.419
total37.862.92535.8676.52
Northwestern Alpsroad and skidding track7.2161.4375.51914.111
road and skidding road2.1300.21001.8334.121
road and cable line7.1166.91612.41226.57
road and flight path5.5190.21002.1317.716
no access intended9.6142.4294.42116.510
total31.5711.21226.2768.93
Central Alpsroad and skidding track2.0310.0.1.0443.025
road and skidding road0.9450.21001.4372.527
road and cable line2.7263.4223.8219.911
road and flight path4.3201.6352.5278.314
no access intended8.0151.0441.43810.413
total17.996.11610.11234.14
Northeastern Alpsroad and skidding track2.2290.4733.4236.117
road and skidding road0.6590.5571.2412.329
road and cable line3.3242.7267.21513.210
road and flight path1.8331.5380.5573.822
no access intended7.2151.7354.72013.511
total15.2106.81616.9839.03
Southwestern Alpsroad and skidding track8.1152.32910.71321.19
road and skidding road2.4290.4713.6236.317
road and cable line7.71612.01218.21037.96
road and flight path9.8146.31711.81227.98
no access intended17.0104.12213.41234.57
total45.0625.1857.64127.72
Southeastern Alpsroad and skidding track14.5112.3296.71723.59
road and skidding road6.3171.0456.21813.512
road and cable line24.0911.91235.2771.14
road and flight path8.2152.3294.42115.011
no access intended31.883.42412.41247.66
total84.8421.0964.84170.62
Southern Alpsroad and skidding track6.8170.85011.61319.110
road and skidding road1.2411.0453.8236.018
road and cable line4.7204.32124.9833.97
road and flight path2.0312.2307.51611.613
no access intended40.266.01871.44117.73
total54.9514.211119.22188.41
Switzerlandroad and skidding track352.3212.11398.04462.41
road and skidding road123.645.22060.16188.93
road and cable line79.2548.36141.43268.92
road and flight path42.6716.31134.4793.34
no access intended136.3420.310115.74272.32
total734.01102.24449.721285.80
© WSL, Swiss National Forest Inventory, 18.06.2020 #862437/328768
NFI4
forest area
avalanches SilvaProtect · concept of transportation system
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 regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track68.740.8506.51776.04
road and skidding road36.962.03114.21153.15
road and cable line3.6231.0453.8228.415
road and flight path0.0.0.21000.4710.658
no access intended11.5130.6582.52814.611
total120.624.62027.47152.71
Eastern Juraroad and skidding track26.060.0.2.33028.36
road and skidding road12.8110.0.1.04413.811
road and cable line0.9500.0.0.4711.341
road and flight path0.0.0.0.0.0.0.0.
no access intended3.5230.0.0.4713.922
total43.230.0.4.12247.42
Western Plateauroad and skidding track34.950.0.2.72737.64
road and skidding road5.6180.0.1.5387.116
road and cable line0.4700.0.0.21000.657
road and flight path0.0.0.0.0.0.0.0.
no access intended3.4240.0.0.6584.022
total44.330.0.5.01949.22
Central Plateauroad and skidding track44.440.0.3.22547.64
road and skidding road8.3150.0.2.92511.212
road and cable line1.2400.0.0.9452.130
road and flight path0.0.0.0.0.4710.471
no access intended6.2170.0.2.3298.514
total60.020.0.9.61369.71
Eastern Plateauroad and skidding track79.230.0.3.32482.53
road and skidding road15.6100.0.1.53817.010
road and cable line3.9220.0.0.6584.420
road and flight path0.0.0.0.0.21000.2100
no access intended4.7200.0.0.0.4.720
total103.410.0.5.519108.91
Western Pre-Alpsroad and skidding track6.6160.4714.42111.412
road and skidding road1.7330.31002.1324.122
road and cable line4.9192.52710.71218.08
road and flight path1.5400.3701.0462.827
no access intended3.6241.0463.2267.716
total18.494.52021.3844.23
Central Pre-Alpsroad and skidding track9.5140.21007.21616.910
road and skidding road11.9130.0.10.31422.29
road and cable line14.4113.42418.01035.86
road and flight path2.7261.6351.0455.219
no access intended16.0110.7586.71723.39
total54.455.81843.25103.42
Eastern Pre-Alpsroad and skidding track14.8110.47111.51226.87
road and skidding road7.4160.4705.61813.411
road and cable line6.9171.33812.51220.79
road and flight path3.8230.6572.3286.717
no access intended5.4190.0.1.8357.216
total38.362.72633.8674.82
Northwestern Alpsroad and skidding track3.4240.21002.3305.918
road and skidding road2.1310.5581.8334.421
road and cable line10.3136.41714.31031.06
road and flight path3.8232.9261.8338.515
no access intended6.2180.4715.02011.612
total25.8810.41325.2761.43
Central Alpsroad and skidding track1.6350.0.1.2412.826
road and skidding road1.0440.0.0.4711.438
road and cable line3.3233.6214.71811.610
road and flight path2.2291.4370.8504.320
no access intended4.7190.6571.5356.815
total12.7105.6178.61326.94
Northeastern Alpsroad and skidding track0.9500.4712.8264.021
road and skidding road0.3710.21000.9451.535
road and cable line5.8173.4247.51416.78
road and flight path3.4232.0312.0327.415
no access intended1.0450.9511.0402.926
total11.4126.81614.3932.54
Southwestern Alpsroad and skidding track7.2161.8337.21616.210
road and skidding road3.8230.4713.0267.216
road and cable line7.81611.71220.4939.96
road and flight path14.7118.21521.4944.36
no access intended6.7171.8335.11913.612
total40.2623.9857.04121.12
Southeastern Alpsroad and skidding track17.7103.42411.71332.87
road and skidding road5.4190.21002.6288.215
road and cable line24.989.91437.2672.04
road and flight path19.9105.71811.11336.77
no access intended1.5350.21000.21001.932
total69.5419.4962.74151.62
Southern Alpsroad and skidding track0.8500.21002.0322.926
road and skidding road7.7160.47110.21418.310
road and cable line5.7184.62028.2738.46
road and flight path13.2127.51655.1575.94
no access intended10.2140.85011.81322.89
total37.5713.411107.33158.32
Switzerlandroad and skidding track315.627.81668.15391.52
road and skidding road120.544.42158.16182.93
road and cable line93.8447.76159.43300.92
road and flight path65.2530.4897.54193.13
no access intended84.656.91742.07133.54
total679.7197.14425.121201.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #862438/328769
NFI4
forest area
avalanches SilvaProtect · concept of transportation system
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
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track67.140.8506.31774.24
road and skidding road36.562.03114.21152.75
road and cable line3.6231.0453.8228.415
road and flight path0.0.0.21000.4710.658
no access intended11.5130.6582.52814.611
total118.624.62027.27150.51
Eastern Juraroad and skidding track25.470.0.2.33027.76
road and skidding road12.8110.0.1.04413.811
road and cable line0.9500.0.0.4711.341
road and flight path0.0.0.0.0.0.0.0.
no access intended3.3240.0.0.4713.722
total42.430.0.4.12246.62
Western Plateauroad and skidding track34.750.0.2.72737.44
road and skidding road5.6180.0.1.5387.116
road and cable line0.4700.0.0.21000.657
road and flight path0.0.0.0.0.0.0.0.
no access intended3.4240.0.0.6584.022
total44.130.0.5.01949.12
Central Plateauroad and skidding track44.540.0.3.22547.64
road and skidding road8.3150.0.2.92511.212
road and cable line1.2400.0.0.9452.130
road and flight path0.0.0.0.0.4710.471
no access intended6.0170.0.2.1308.115
total59.920.0.9.41369.31
Eastern Plateauroad and skidding track78.530.0.3.32481.83
road and skidding road15.2110.0.1.53816.610
road and cable line3.7230.0.0.6584.221
road and flight path0.0.0.0.0.21000.2100
no access intended4.7200.0.0.0.4.720
total102.110.0.5.519107.61
Western Pre-Alpsroad and skidding track6.6160.4714.42111.412
road and skidding road1.3380.31002.1323.723
road and cable line4.9192.52710.71218.08
road and flight path1.7370.3701.0463.026
no access intended4.0231.0463.4258.415
total18.694.52021.5844.63
Central Pre-Alpsroad and skidding track8.8150.21007.01716.011
road and skidding road11.9130.0.10.31422.29
road and cable line13.6113.22517.91034.76
road and flight path2.3281.6351.0454.819
no access intended15.4110.7586.51822.59
total52.055.61842.65100.22
Eastern Pre-Alpsroad and skidding track14.2110.47111.51226.27
road and skidding road6.8170.4705.61812.812
road and cable line6.3181.33812.51220.19
road and flight path4.0220.6572.3286.916
no access intended5.4190.0.1.8357.216
total36.762.72633.8673.22
Northwestern Alpsroad and skidding track3.2240.21002.3305.718
road and skidding road2.1310.5581.8334.421
road and cable line9.5146.41714.11130.06
road and flight path4.8202.9261.6359.314
no access intended7.6160.4715.02013.012
total27.1810.41324.8762.33
Central Alpsroad and skidding track1.4370.0.1.2412.627
road and skidding road1.0440.0.0.4711.438
road and cable line3.5223.4224.51911.510
road and flight path2.6271.4371.0454.919
no access intended6.7160.8501.7339.213
total15.1105.6178.91329.64
Northeastern Alpsroad and skidding track0.7580.4712.8263.822
road and skidding road0.3710.21000.9451.535
road and cable line5.8173.4247.21516.39
road and flight path5.2181.8331.9338.814
no access intended2.2300.9511.0404.121
total14.1106.61613.81034.54
Southwestern Alpsroad and skidding track7.0171.8337.01615.811
road and skidding road2.8270.4713.0266.218
road and cable line7.61611.71220.1939.46
road and flight path15.3118.61520.8944.76
no access intended7.7161.8334.92014.411
total40.4624.3855.84120.52
Southeastern Alpsroad and skidding track18.7103.12511.31333.27
road and skidding road4.8200.21002.6287.616
road and cable line26.1810.31336.8773.24
road and flight path29.285.71811.11346.06
no access intended1.6350.21000.21001.932
total80.4419.6961.95162.02
Southern Alpsroad and skidding track0.8500.21002.0322.926
road and skidding road7.5160.47110.41318.310
road and cable line6.2174.62028.4739.26
road and flight path13.0127.91556.5577.44
no access intended17.4100.85013.71231.97
total44.9613.811111.03169.72
Switzerlandroad and skidding track311.527.51667.15386.22
road and skidding road116.944.42158.36179.53
road and cable line93.2447.76158.03299.02
road and flight path78.1530.9898.04207.13
no access intended96.847.11743.87147.73
total696.6197.74425.221219.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #862439/328770
NFI4
forest area
avalanches SilvaProtect · concept of transportation system
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 regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track63.640.8506.31770.74
road and skidding road35.372.03113.81151.15
road and cable line3.6231.0453.8228.415
road and flight path0.0.0.21000.4710.658
no access intended10.9130.6582.52814.011
total113.324.62026.88144.81
Eastern Juraroad and skidding track24.870.0.2.33027.16
road and skidding road12.5110.0.1.04413.611
road and cable line0.9500.0.0.4711.341
road and flight path0.0.0.0.0.0.0.0.
no access intended3.3240.0.0.4713.722
total41.630.0.4.12245.72
Western Plateauroad and skidding track33.150.0.2.72735.84
road and skidding road5.4190.0.1.5386.916
road and cable line0.4700.0.0.21000.657
road and flight path0.0.0.0.0.0.0.0.
no access intended3.1250.0.0.6583.823
total42.030.0.5.01947.02
Central Plateauroad and skidding track44.240.0.3.22547.44
road and skidding road8.3150.0.2.92511.212
road and cable line1.2400.0.0.9452.130
road and flight path0.0.0.0.0.4710.471
no access intended5.8180.0.2.1307.915
total59.530.0.9.41369.01
Eastern Plateauroad and skidding track77.230.0.3.32480.53
road and skidding road14.5110.0.1.53816.010
road and cable line3.7230.0.0.6584.221
road and flight path0.0.0.0.0.21000.2100
no access intended4.7200.0.0.0.4.720
total100.220.0.5.519105.61
Western Pre-Alpsroad and skidding track6.4170.4714.42111.212
road and skidding road1.3380.31002.1323.723
road and cable line4.1212.32810.01316.39
road and flight path1.1490.3701.0462.430
no access intended2.7281.0463.0276.717
total15.6104.32120.4840.33
Central Pre-Alpsroad and skidding track8.4150.21007.01715.611
road and skidding road11.4130.0.9.91421.39
road and cable line12.7123.22517.51033.36
road and flight path2.1301.6351.0454.620
no access intended13.3120.7586.31820.29
total47.955.61841.6595.12
Eastern Pre-Alpsroad and skidding track13.8110.47111.31225.67
road and skidding road6.1180.4705.41811.912
road and cable line5.6181.33811.61218.69
road and flight path2.8270.6572.0315.319
no access intended4.6200.0.1.8356.317
total32.962.72632.1667.73
Northwestern Alpsroad and skidding track2.4280.21001.9334.421
road and skidding road1.3400.5581.6353.424
road and cable line8.1156.11713.91128.16
road and flight path2.6282.7271.6356.916
no access intended3.3250.4714.6218.415
total17.61010.01323.5851.13
Central Alpsroad and skidding track0.8490.0.0.8501.634
road and skidding road0.8500.0.0.4711.241
road and cable line2.9243.4224.31910.710
road and flight path1.4371.0440.6572.925
no access intended3.7220.4690.6584.619
total9.5124.8186.71520.95
Northeastern Alpsroad and skidding track0.5710.4712.8263.623
road and skidding road0.3710.21000.9451.535
road and cable line4.4203.4246.81514.69
road and flight path1.7331.8331.5384.919
no access intended0.6590.7580.7502.032
total7.6156.41612.71026.65
Southwestern Alpsroad and skidding track5.1191.6356.61713.311
road and skidding road2.0310.4712.9265.219
road and cable line5.81811.51219.3936.66
road and flight path8.0158.01518.31034.47
no access intended3.6231.4384.5219.514
total24.5822.9851.6599.02
Southeastern Alpsroad and skidding track15.3112.9269.21427.48
road and skidding road4.0220.21002.4296.517
road and cable line19.5109.51432.8761.84
road and flight path11.1134.1229.31424.48
no access intended0.8500.21000.21001.141
total50.6517.01053.75121.32
Southern Alpsroad and skidding track0.4710.21002.0322.528
road and skidding road5.5190.21008.91514.511
road and cable line4.5214.42127.0835.86
road and flight path6.2186.61743.8656.65
no access intended3.6230.6589.41413.612
total20.1911.91291.13123.12
Switzerlandroad and skidding track296.127.11763.65366.82
road and skidding road108.844.22255.16168.13
road and cable line77.2546.16149.13272.42
road and flight path36.8726.8880.04143.53
no access intended64.155.91936.67106.64
total583.0190.14384.321057.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #862440/328771
NFI4
forest area
avalanches SilvaProtect · concept of transportation system
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraroad and skidding track68.740.8506.51776.04
road and skidding road36.962.03114.21153.15
road and cable line3.6231.0453.8228.415
road and flight path0.0.0.21000.4710.658
no access intended11.5130.6582.52814.611
total120.624.62027.47152.71
Eastern Juraroad and skidding track26.060.0.2.33028.36
road and skidding road12.8110.0.1.04413.811
road and cable line0.9500.0.0.4711.341
road and flight path0.0.0.0.0.0.0.0.
no access intended3.5230.0.0.4713.922
total43.230.0.4.12247.42
Western Plateauroad and skidding track34.950.0.2.72737.64
road and skidding road5.6180.0.1.5387.116
road and cable line0.4700.0.0.21000.657
road and flight path0.0.0.0.0.0.0.0.
no access intended3.4240.0.0.6584.022
total44.330.0.5.01949.22
Central Plateauroad and skidding track44.640.0.3.22547.84
road and skidding road8.3150.0.2.92511.212
road and cable line1.2400.0.0.9452.130
road and flight path0.0.0.0.0.4710.471
no access intended6.2170.0.2.3298.514
total60.320.0.9.61369.91
Eastern Plateauroad and skidding track79.230.0.3.32482.53
road and skidding road15.6100.0.1.53817.010
road and cable line3.9220.0.0.6584.420
road and flight path0.0.0.0.0.21000.2100
no access intended4.7200.0.0.0.4.720
total103.410.0.5.519108.91
Western Pre-Alpsroad and skidding track6.6160.4714.42111.412
road and skidding road1.7330.31002.1324.122
road and cable line4.9192.52710.71218.08
road and flight path1.9350.3701.0463.226
no access intended4.2221.0463.4258.615
total19.494.52021.5845.43
Central Pre-Alpsroad and skidding track9.5140.21007.21616.910
road and skidding road11.9130.0.10.31422.29
road and cable line14.4113.42418.01035.86
road and flight path2.7261.6351.0455.219
no access intended16.6100.7586.91724.18
total55.055.81843.45104.22
Eastern Pre-Alpsroad and skidding track15.0110.47111.51227.07
road and skidding road7.4160.4705.61813.411
road and cable line6.9171.33812.51220.79
road and flight path4.4210.6572.3287.316
no access intended5.6180.0.1.8357.416
total39.362.72633.8675.82
Northwestern Alpsroad and skidding track3.4240.21002.3305.918
road and skidding road2.3300.5581.8334.620
road and cable line10.7136.41714.31031.46
road and flight path5.2192.9261.8339.914
no access intended8.0160.4715.02013.412
total29.6710.41325.2765.23
Central Alpsroad and skidding track1.8330.0.1.2413.025
road and skidding road1.0440.0.0.4711.438
road and cable line3.5223.6214.71811.810
road and flight path3.0251.4371.0455.318
no access intended7.9151.0441.73310.613
total17.196.0169.01232.14
Northeastern Alpsroad and skidding track0.9500.4712.8264.021
road and skidding road0.3710.21000.9451.535
road and cable line6.6163.4247.51417.58
road and flight path5.8182.0312.0329.813
no access intended2.6280.9511.0404.520
total16.1106.81614.3937.34
Southwestern Alpsroad and skidding track7.2161.8337.21616.210
road and skidding road4.0220.4713.0267.416
road and cable line8.01511.71220.4940.16
road and flight path18.6108.61521.4948.55
no access intended8.7151.8335.11915.611
total46.5624.3857.04127.82
Southeastern Alpsroad and skidding track19.1103.42411.91234.47
road and skidding road5.4190.21002.6288.215
road and cable line27.9810.31337.8676.04
road and flight path33.875.91812.11251.86
no access intended1.7330.21000.21002.130
total88.0420.0964.54172.52
Southern Alpsroad and skidding track0.8500.21002.0322.926
road and skidding road8.0150.47110.61319.110
road and cable line6.4174.62028.6739.66
road and flight path14.4117.91557.7580.04
no access intended19.8100.85014.51135.17
total49.4613.811113.43176.62
Switzerlandroad and skidding track317.627.81668.35393.72
road and skidding road121.344.42158.56184.13
road and cable line99.2448.16160.43307.72
road and flight path89.8531.48101.24222.43
no access intended104.447.31745.46157.03
total732.3198.94433.721264.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #862441/328772
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