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NFI3

forest area: rockfall SilvaProtect, modelled and assigned · regeneration cover · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionregeneration cover %± %± %±
Western Jura< 1%10.57.06.30.86.40.8
1-9%31.610.718.71.318.91.3
10-25%36.911.129.01.629.21.6
26-50%5.35.121.31.420.91.4
51-75%10.57.013.81.213.71.2
76-100%5.35.110.91.110.81.1
total100.0.100.0.100.0.
Eastern Jura< 1%..4.11.34.11.3
1-9%..15.72.315.62.3
10-25%..22.72.722.62.7
26-50%100.0.17.82.518.12.5
51-75%..11.22.011.12.0
76-100%..28.52.928.42.9
total100.0.100.0.100.0.
Western Plateau< 1%..3.81.23.81.2
1-9%..17.82.317.82.3
10-25%..26.42.726.42.7
26-50%..25.72.725.72.7
51-75%..17.02.317.02.3
76-100%..9.41.89.41.8
total..100.0.100.0.
Central Plateau< 1%..2.20.72.20.7
1-9%..17.01.916.91.8
10-25%..26.02.225.92.2
26-50%100.0.25.22.125.42.1
51-75%..16.01.816.01.8
76-100%..13.61.713.51.7
total100.0.100.0.100.0.
Eastern Plateau< 1%..3.40.73.40.7
1-9%..18.61.618.61.6
10-25%..20.61.620.61.6
26-50%..20.71.620.71.6
51-75%..18.31.618.31.6
76-100%..18.31.618.31.6
total..100.0.100.0.
Western Pre-Alps< 1%..3.21.13.21.1
1-9%..26.52.826.22.8
10-25%50.035.427.22.827.42.8
26-50%50.035.428.42.928.62.9
51-75%..10.62.010.51.9
76-100%..4.11.34.01.3
total100.0.100.0.100.0.
Central Pre-Alps< 1%..2.90.72.90.7
1-9%25.015.322.21.822.31.8
10-25%25.015.337.52.137.32.1
26-50%25.015.322.61.822.71.8
51-75%12.511.79.01.29.11.2
76-100%12.511.75.71.05.81.0
total100.0.100.0.100.0.
Eastern Pre-Alps< 1%..3.40.93.30.9
1-9%33.327.229.02.229.12.2
10-25%..28.32.228.12.2
26-50%..22.52.022.42.0
51-75%66.727.210.11.510.51.5
76-100%..6.71.26.71.2
total100.0.100.0.100.0.
Northwestern Alps< 1%5.65.42.50.92.70.9
1-9%33.311.128.42.528.62.5
10-25%16.78.837.72.736.62.6
26-50%22.29.816.22.116.52.0
51-75%11.17.47.81.58.01.5
76-100%11.17.47.51.57.71.4
total100.0.100.0.100.0.
Central Alps< 1%5.35.13.91.74.11.6
1-9%26.310.134.24.233.23.9
10-25%21.19.428.24.027.33.7
26-50%21.19.418.83.519.13.3
51-75%26.310.110.22.712.32.7
76-100%..4.71.94.11.6
total100.0.100.0.100.0.
Northeastern Alps< 1%5.95.76.82.06.71.9
1-9%41.211.926.63.528.03.4
10-25%17.69.323.63.323.03.2
26-50%11.87.823.43.322.33.1
51-75%11.87.89.22.39.52.2
76-100%11.87.810.52.410.62.3
total100.0.100.0.100.0.
Southwestern Alps< 1%..2.80.72.60.6
1-9%44.88.134.01.934.71.9
10-25%26.37.134.11.933.61.9
26-50%21.06.620.41.620.41.6
51-75%5.33.67.21.07.11.0
76-100%2.62.61.60.51.70.5
total100.0.100.0.100.0.
Southeastern Alps< 1%4.54.43.40.63.40.6
1-9%31.910.035.81.735.71.7
10-25%31.89.931.01.631.01.6
26-50%22.78.919.31.419.31.4
51-75%8.96.07.00.97.10.9
76-100%..3.50.73.40.6
total100.0.100.0.100.0.
Southern Alps< 1%1.71.62.40.52.30.5
1-9%41.46.235.41.735.81.6
10-25%35.06.035.11.735.11.6
26-50%10.83.916.81.316.41.3
51-75%8.03.47.60.97.60.9
76-100%3.22.22.80.62.80.6
total100.0.100.0.100.0.
Switzerland< 1%3.41.33.60.23.60.2
1-9%36.43.326.30.526.60.5
10-25%28.03.130.00.629.90.6
26-50%17.02.620.90.520.70.5
51-75%11.02.210.90.410.90.4
76-100%4.21.48.40.38.30.3
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #158861/145240

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · regeneration cover · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionregeneration cover1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%0.4719.5139.813
1-9%1.14128.1729.27
10-25%1.33843.7644.95
26-50%0.210032.1732.27
51-75%0.47120.8921.19
76-100%0.210016.51016.710
total3.423150.61154.01
Eastern Jura< 1%..1.9311.931
1-9%..7.4157.415
10-25%..10.71210.712
26-50%0.21008.4148.614
51-75%..5.3185.318
76-100%..13.41013.410
total0.210047.0247.22
Western Plateau< 1%..1.9311.931
1-9%..8.8138.813
10-25%..13.11113.111
26-50%..12.71112.711
51-75%..8.4148.414
76-100%..4.6194.619
total..49.4349.43
Central Plateau< 1%..1.5331.533
1-9%..11.81111.811
10-25%..18.1918.19
26-50%0.210017.5917.79
51-75%..11.11111.111
76-100%..9.4139.413
total0.210069.5269.62
Eastern Plateau< 1%..3.8213.821
1-9%..20.7920.79
10-25%..22.8822.88
26-50%..23.0823.08
51-75%..20.3920.39
76-100%..20.3920.39
total..110.91110.91
Western Pre-Alps< 1%..1.5351.535
1-9%..11.91111.911
10-25%0.210012.31112.511
26-50%0.210012.81113.010
51-75%..4.8194.819
76-100%..1.8311.831
total0.47145.2345.53
Central Pre-Alps< 1%..2.9252.925
1-9%0.47121.7822.18
10-25%0.47136.7637.06
26-50%0.47122.1822.58
51-75%0.21008.8149.014
76-100%0.21005.6185.817
total1.43597.8299.22
Eastern Pre-Alps< 1%..2.5262.526
1-9%0.210021.3821.58
10-25%..20.8820.88
26-50%..16.5916.59
51-75%0.4717.4157.714
76-100%..4.9184.918
total0.55873.3273.92
Northwestern Alps< 1%0.21001.4351.633
1-9%1.14116.4917.59
10-25%0.55821.8822.38
26-50%0.7509.41310.113
51-75%0.4714.5204.919
76-100%0.4714.3204.719
total3.22357.7361.03
Central Alps< 1%0.21000.9441.140
1-9%0.9448.2149.213
10-25%0.8506.8157.514
26-50%0.8504.5195.318
51-75%0.9442.4273.423
76-100%..1.1401.140
total3.62224.0627.65
Northeastern Alps< 1%0.21001.9302.028
1-9%1.2377.3148.513
10-25%0.5576.5157.015
26-50%0.3716.5156.815
51-75%0.3712.5252.923
76-100%0.3712.9233.222
total2.92327.5530.44
Southwestern Alps< 1%..2.9242.924
1-9%2.92435.7638.66
10-25%1.73135.7637.46
26-50%1.43521.3822.78
51-75%0.3717.5157.914
76-100%0.21001.7311.930
total6.516104.82111.32
Southeastern Alps< 1%0.21004.7194.919
1-9%1.23849.7550.95
10-25%1.23843.1644.35
26-50%0.94526.7727.67
51-75%0.3719.81310.113
76-100%..4.9194.919
total3.821138.92142.82
Southern Alps< 1%0.21003.4233.522
1-9%4.61949.7554.35
10-25%3.92149.3553.25
26-50%1.23823.6824.88
51-75%0.94510.61211.512
76-100%0.4713.9214.220
total11.112140.52151.62
Switzerland< 1%1.33840.7741.96
1-9%13.611298.72312.32
10-25%10.413341.12351.52
26-50%6.317237.12243.52
51-75%4.121124.24128.34
76-100%1.63395.4497.04
total37.271137.211174.41

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #158862/145241

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of regeneration (7 classes) %± %± %± %± %± %± %±
inside perimeter< 1%10.06.7..4.42.5..5.04.91.61.63.41.3
1-4%15.08.0..10.33.710.85.15.04.918.84.912.82.3
5-9%14.97.9..22.15.035.27.925.19.721.95.223.62.9
10-25%35.110.7..20.64.924.37.030.010.336.06.028.03.1
26-50%10.06.750.035.419.14.821.66.825.09.710.63.816.92.6
51-75%10.06.750.035.416.24.55.43.79.86.67.83.410.92.2
76-100%5.04.9..7.43.22.72.7..3.12.24.31.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter< 1%6.10.72.90.43.40.42.90.73.40.72.30.53.60.2
1-4%6.50.87.30.711.60.713.31.517.01.514.41.210.80.4
5-9%11.91.010.10.815.70.823.21.818.71.521.51.415.50.4
10-25%28.01.423.81.132.71.132.52.031.41.834.61.730.00.6
26-50%20.01.224.61.121.30.919.51.718.81.517.01.320.90.5
51-75%13.91.116.11.09.20.77.01.17.01.07.50.910.90.4
76-100%13.61.115.10.96.00.51.50.53.80.72.70.68.40.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total< 1%6.10.72.90.43.50.42.80.73.40.72.30.53.60.2
1-4%6.70.87.30.711.50.713.11.416.61.414.71.210.90.4
5-9%12.01.010.10.815.90.824.01.818.91.521.51.415.70.4
10-25%28.11.423.81.132.31.132.01.931.31.834.71.629.90.6
26-50%19.81.224.71.121.20.919.71.719.01.516.51.220.80.5
51-75%13.81.116.11.09.50.76.91.17.11.07.50.910.90.4
76-100%13.51.015.10.96.10.51.60.53.70.72.70.58.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #158863/145242

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter< 1%0.471..0.558..0.21000.21001.338
1-4%0.558..1.2380.7500.21002.1294.819
5-9%0.558..2.7262.2280.9452.5278.814
10-25%1.338..2.5271.5331.1414.12110.413
26-50%0.4710.21002.3281.4350.9451.2386.317
51-75%0.4710.21002.0300.3710.3710.9454.121
76-100%0.2100..0.9450.2100..0.4711.633
total3.6220.47112.1126.3163.52211.31237.27
outside perimeter< 1%11.6127.51511.6122.7253.9213.42340.67
1-4%12.51218.8939.1612.31119.5920.89122.84
5-9%22.8825.9853.0521.5821.4831.07175.63
10-25%53.6561.05110.4330.0736.0649.95340.92
26-50%38.2663.1571.7518.1921.5824.58237.22
51-75%26.6841.1631.176.5168.01410.812124.24
76-100%26.1838.8620.491.4354.4203.92194.94
total191.41256.21337.3192.42114.62144.221136.11
total< 1%11.9127.51512.1122.7254.0213.52241.96
1-4%13.01118.8940.3612.91119.6922.98127.64
5-9%23.3825.9855.7523.7822.3833.57184.43
10-25%54.9561.05112.9331.5637.0654.05351.32
26-50%38.6663.3574.1419.4922.4825.78243.52
51-75%27.0841.3633.176.8158.41411.712128.24
76-100%26.3838.8621.391.5334.4204.22096.54
total195.01256.61349.4198.72118.12155.521173.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #158864/145243

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of cover of regeneration (7 classes) %± %± %±
AG< 1%..5.31.45.31.4
1-4%..7.61.67.61.6
5-9%..10.61.910.61.9
10-25%..21.22.521.22.5
26-50%..20.52.520.52.5
51-75%..14.82.214.82.2
76-100%..20.12.520.12.5
total..100.0.100.0.
AI< 1%..5.73.95.73.9
1-4%..5.73.95.73.9
5-9%..26.27.626.27.6
10-25%..36.98.236.98.2
26-50%..17.06.417.06.4
51-75%..5.73.95.73.9
76-100%..2.82.82.82.8
total..100.0.100.0.
AR< 1%..2.02.02.02.0
1-4%..11.94.611.94.6
5-9%..17.95.417.95.4
10-25%..34.16.834.16.8
26-50%..19.95.719.95.7
51-75%..12.24.712.24.7
76-100%..2.02.02.02.0
total..100.0.100.0.
BE< 1%8.05.43.40.63.50.6
1-4%16.07.39.61.09.81.0
5-9%8.05.415.01.214.81.1
10-25%20.08.032.11.531.81.5
26-50%28.09.021.61.321.81.3
51-75%12.06.59.31.09.40.9
76-100%8.05.49.00.99.00.9
total100.0.100.0.100.0.
BL/BS< 1%..1.01.01.01.0
1-4%..3.01.73.01.7
5-9%..2.81.62.81.6
10-25%50.035.532.94.733.34.7
26-50%50.035.519.13.919.73.9
51-75%..17.13.816.73.7
76-100%..24.14.323.64.2
total100.0.100.0.100.0.
FR< 1%..3.01.13.01.1
1-4%..9.11.99.11.9
5-9%..11.32.111.32.1
10-25%..29.13.029.03.0
26-50%100.0.26.92.927.32.9
51-75%..13.92.313.92.3
76-100%..6.51.66.51.6
total100.0.100.0.100.0.
GE< 1%......
1-4%......
5-9%......
10-25%..18.912.518.912.5
26-50%..52.815.852.815.8
51-75%..28.314.428.314.4
76-100%......
total..100.0.100.0.
GL< 1%8.38.013.53.812.93.5
1-4%16.710.811.13.511.83.3
5-9%16.710.811.23.511.93.4
10-25%25.012.514.94.016.23.8
26-50%8.38.022.34.620.54.2
51-75%16.710.812.33.712.93.5
76-100%8.38.014.83.913.93.6
total100.0.100.0.100.0.
GR< 1%2.62.53.20.63.20.6
1-4%10.34.916.51.216.21.2
5-9%25.77.019.51.319.81.3
10-25%35.97.732.41.532.61.5
26-50%15.45.818.31.318.21.2
51-75%10.14.86.50.86.70.8
76-100%..3.60.63.40.6
total100.0.100.0.100.0.
JU< 1%..4.91.64.81.6
1-4%..7.11.96.91.9
5-9%33.319.311.02.311.72.3
10-25%33.319.329.13.429.33.3
26-50%16.715.219.82.919.72.9
51-75%16.715.211.52.411.72.4
76-100%..16.52.716.02.7
total100.0.100.0.100.0.
LU< 1%..2.91.12.91.1
1-4%..7.11.77.11.7
5-9%..12.52.112.52.1
10-25%..33.43.133.43.1
26-50%..24.12.824.12.8
51-75%..14.12.214.12.2
76-100%..5.81.55.81.5
total..100.0.100.0.
NE< 1%100.0.2.51.23.11.4
1-4%..4.31.64.31.6
5-9%..6.21.96.11.9
10-25%..30.23.630.13.6
26-50%..29.63.629.43.6
51-75%..21.03.220.93.2
76-100%..6.21.96.11.9
total100.0.100.0.100.0.
NW< 1%......
1-4%..13.25.512.25.2
5-9%33.327.526.17.226.67.0
10-25%66.727.429.07.431.87.3
26-50%..13.25.512.25.2
51-75%..5.33.74.93.4
76-100%..13.25.512.25.2
total100.0.100.0.100.0.
OW< 1%..7.62.67.42.5
1-4%..6.72.46.52.4
5-9%33.327.310.53.011.13.0
10-25%..46.74.945.44.8
26-50%..13.33.313.03.2
51-75%33.327.36.72.47.42.5
76-100%33.327.38.62.79.32.8
total100.0.100.0.100.0.
SG< 1%..2.70.92.60.9
1-4%..15.22.114.92.0
5-9%57.118.714.62.015.52.1
10-25%..25.22.524.62.5
26-50%14.313.221.22.421.02.3
51-75%14.313.210.91.811.01.8
76-100%14.313.210.31.710.31.7
total100.0.100.0.100.0.
SH< 1%......
1-4%..4.72.74.72.7
5-9%..9.43.79.43.7
10-25%..23.45.323.45.3
26-50%..25.05.425.05.4
51-75%..7.83.47.83.4
76-100%..29.75.729.75.7
total..100.0.100.0.
SO< 1%..8.22.08.02.0
1-4%25.021.76.51.86.91.9
5-9%..10.42.310.22.2
10-25%50.025.022.43.123.03.1
26-50%..20.23.019.82.9
51-75%..15.92.715.52.7
76-100%25.021.716.42.716.62.7
total100.0.100.0.100.0.
SZ< 1%..3.81.53.71.5
1-4%..13.22.712.92.6
5-9%..20.13.219.73.1
10-25%..27.73.627.23.5
26-50%33.327.320.23.220.43.2
51-75%66.727.310.72.511.72.5
76-100%..4.41.64.31.6
total100.0.100.0.100.0.
TG< 1%..3.91.73.91.7
1-4%..5.52.05.52.0
5-9%..10.32.710.32.7
10-25%..23.73.823.73.8
26-50%..17.33.417.33.4
51-75%..26.73.926.73.9
76-100%..12.63.012.63.0
total..100.0.100.0.
TI< 1%2.32.22.50.62.50.6
1-4%19.65.914.01.414.41.3
5-9%21.86.121.01.621.01.6
10-25%32.76.934.01.933.91.8
26-50%12.74.917.61.517.31.4
51-75%6.53.78.41.18.31.0
76-100%4.43.02.50.62.60.6
total100.0.100.0.100.0.
UR< 1%5.95.74.02.24.32.1
1-4%11.87.813.23.912.93.5
5-9%17.69.311.93.712.93.5
10-25%23.510.331.65.430.14.8
26-50%17.69.326.35.124.74.5
51-75%23.510.39.23.311.83.4
76-100%..3.92.23.21.8
total100.0.100.0.100.0.
VD< 1%..4.60.94.50.9
1-4%25.021.78.61.28.71.2
5-9%50.025.013.71.514.01.5
10-25%25.021.729.11.929.11.9
26-50%..22.71.822.61.8
51-75%..13.01.412.91.4
76-100%..8.21.28.21.2
total100.0.100.0.100.0.
VS< 1%..2.80.72.60.6
1-4%10.55.012.21.312.11.3
5-9%34.37.721.81.722.51.6
10-25%26.37.134.11.933.61.9
26-50%21.06.620.41.620.41.6
51-75%5.33.67.21.07.11.0
76-100%2.62.61.60.51.70.5
total100.0.100.0.100.0.
ZG< 1%......
1-4%..8.84.98.84.9
5-9%..5.94.15.94.1
10-25%..32.38.132.38.1
26-50%..32.48.132.48.1
51-75%..8.84.98.84.9
76-100%..11.85.611.85.6
total..100.0.100.0.
ZH< 1%..2.61.02.61.0
1-4%..9.01.89.01.8
5-9%..12.42.012.42.0
10-25%..16.62.316.62.3
26-50%..21.82.521.82.5
51-75%..16.22.316.22.3
76-100%..21.42.521.42.5
total..100.0.100.0.
Switzerland< 1%3.41.23.60.23.50.2
1-4%12.82.310.80.410.90.4
5-9%23.62.915.40.415.70.4
10-25%28.03.130.00.629.90.6
26-50%17.02.620.90.520.80.5
51-75%11.02.210.90.410.90.4
76-100%4.21.48.40.38.30.3
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #158865/145244

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %
AG< 1%..2.6262.626
1-4%..3.7223.722
5-9%..5.2185.218
10-25%..10.41210.412
26-50%..10.01210.012
51-75%..7.2157.215
76-100%..9.8129.812
total..49.0249.02
AI< 1%..0.3700.370
1-4%..0.3700.370
5-9%..1.4311.431
10-25%..2.0232.023
26-50%..0.9380.938
51-75%..0.3700.370
76-100%..0.21000.2100
total..5.475.47
AR< 1%..0.21000.2100
1-4%..1.0391.039
5-9%..1.5311.531
10-25%..2.8212.821
26-50%..1.6291.629
51-75%..1.0401.040
76-100%..0.21000.2100
total..8.268.26
BE< 1%0.4715.7176.017
1-4%0.75016.01016.710
5-9%0.47124.9825.28
10-25%0.94553.3554.25
26-50%1.23835.9637.26
51-75%0.55815.51016.010
76-100%0.47114.91115.310
total4.420166.22170.61
BL/BS< 1%..0.21000.2100
1-4%..0.6570.657
5-9%..0.6580.658
10-25%0.21006.6156.815
26-50%0.21003.8214.020
51-75%..3.4223.422
76-100%..4.8184.818
total0.47020.1420.54
FR< 1%..1.3371.337
1-4%..3.8213.821
5-9%..4.8194.819
10-25%..12.31112.311
26-50%0.210011.31111.511
51-75%..5.8175.817
76-100%..2.7252.725
total0.210042.0342.23
GE< 1%......
1-4%......
5-9%......
10-25%..0.6670.667
26-50%..1.6331.633
51-75%..0.9520.952
76-100%......
total..3.1133.113
GL< 1%0.21001.9292.128
1-4%0.3701.5321.929
5-9%0.3701.6331.929
10-25%0.5572.1282.625
26-50%0.21003.1223.321
51-75%0.3701.7312.128
76-100%0.21002.1282.226
total2.12813.9716.06
GR< 1%0.21005.3185.418
1-4%0.75027.3728.07
5-9%1.83232.3734.17
10-25%2.42753.7556.15
26-50%1.04130.3731.47
51-75%0.75010.81211.512
76-100%..5.9175.917
total6.816165.62172.41
JU< 1%..1.6331.633
1-4%..2.3272.327
5-9%0.4713.6213.920
10-25%0.4719.4129.812
26-50%0.21006.4156.615
51-75%0.21003.7213.920
76-100%..5.3175.317
total1.14032.3333.43
LU< 1%..1.2381.238
1-4%..2.9242.924
5-9%..5.1175.117
10-25%..13.71013.710
26-50%..9.9129.912
51-75%..5.8165.816
76-100%..2.4262.426
total..40.9340.93
NE< 1%0.21000.7500.945
1-4%..1.3371.337
5-9%..1.8311.831
10-25%..8.8128.812
26-50%..8.6138.613
51-75%..6.1156.115
76-100%..1.8311.831
total0.210029.0329.23
NW< 1%......
1-4%..1.0431.043
5-9%0.21001.9292.127
10-25%0.4702.2272.624
26-50%..1.0431.043
51-75%..0.4700.470
76-100%..1.0431.043
total0.6567.488.06
OW< 1%..1.4341.434
1-4%..1.3371.337
5-9%0.21002.0292.228
10-25%..8.8118.811
26-50%..2.5252.525
51-75%0.21001.3371.434
76-100%0.21001.6321.830
total0.55718.9419.44
SG< 1%..1.4351.435
1-4%..8.1148.114
5-9%0.7507.7148.414
10-25%..13.31013.310
26-50%0.210011.21111.411
51-75%0.21005.8176.016
76-100%0.21005.4175.617
total1.23752.9354.13
SH< 1%......
1-4%..0.6570.657
5-9%..1.2391.239
10-25%..2.9232.923
26-50%..3.1223.122
51-75%..1.0431.043
76-100%..3.7203.720
total..12.4412.44
SO< 1%..2.6252.625
1-4%0.21002.1282.327
5-9%..3.3223.322
10-25%0.3717.2147.514
26-50%..6.5156.515
51-75%..5.1175.117
76-100%0.21005.3175.417
total0.75032.1332.83
SZ< 1%..1.1401.140
1-4%..3.8213.821
5-9%..5.8165.816
10-25%..8.1138.113
26-50%0.21005.9166.016
51-75%0.4703.1233.522
76-100%..1.3371.337
total0.55729.1429.64
TG< 1%..0.8440.844
1-4%..1.2371.237
5-9%..2.2272.227
10-25%..5.0175.017
26-50%..3.7203.720
51-75%..5.7155.715
76-100%..2.7242.724
total..21.3421.34
TI< 1%0.21002.8253.024
1-4%1.63315.91017.59
5-9%1.83123.9825.78
10-25%2.72638.7641.36
26-50%1.04120.1921.19
51-75%0.5589.61310.113
76-100%0.4712.8253.223
total8.114113.82121.92
UR< 1%0.21000.6570.749
1-4%0.4701.9312.228
5-9%0.6571.7322.228
10-25%0.7494.5195.217
26-50%0.6573.7214.319
51-75%0.7491.3372.029
76-100%..0.5580.558
total3.22314.2817.46
VD< 1%..4.5204.520
1-4%0.21008.5148.714
5-9%0.47113.61114.011
10-25%0.210028.8729.07
26-50%..22.5822.58
51-75%..12.91112.911
76-100%..8.1148.114
total0.75099.0299.72
VS< 1%..2.9242.924
1-4%0.75012.81113.511
5-9%2.22822.9825.18
10-25%1.73135.7637.46
26-50%1.43521.3822.78
51-75%0.3717.5157.914
76-100%0.21001.7311.930
total6.516104.82111.32
ZG< 1%......
1-4%..0.5560.556
5-9%..0.4700.470
10-25%..1.9261.926
26-50%..1.9271.927
51-75%..0.5560.556
76-100%..0.7480.748
total..6.076.07
ZH< 1%..1.3371.337
1-4%..4.5204.520
5-9%..6.1176.117
10-25%..8.2148.214
26-50%..10.81210.812
51-75%..8.0148.014
76-100%..10.61210.612
total..49.6249.62
Switzerland< 1%1.33840.4741.76
1-4%4.819122.84127.64
5-9%8.814175.33184.13
10-25%10.413340.92351.32
26-50%6.317237.82244.12
51-75%4.121124.44128.54
76-100%1.63395.7497.34
total37.371137.211174.51

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #158866/145245

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of regeneration (7 classes) %± %± %± %± %± %±
inside perimeter< 1%10.06.7....3.51.71.71.63.41.2
1-4%15.08.0....10.52.919.25.012.82.3
5-9%14.87.9..23.111.726.34.122.35.223.62.9
10-25%35.110.7..23.111.723.74.035.06.028.03.1
26-50%10.06.7100.0.23.111.720.13.810.83.916.92.6
51-75%10.06.7..23.111.711.53.08.03.411.02.2
76-100%5.04.9..7.77.44.41.93.22.24.31.4
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter< 1%5.80.73.10.53.10.53.40.42.40.53.60.2
1-4%6.80.87.20.711.10.914.00.813.91.210.80.4
5-9%11.21.010.70.914.31.019.30.921.51.515.50.4
10-25%27.61.423.51.232.21.332.21.035.11.730.00.6
26-50%20.51.223.21.223.81.219.40.916.81.320.90.5
51-75%13.21.017.31.19.70.97.60.67.60.910.90.4
76-100%14.91.115.01.05.70.74.20.42.80.68.40.3
total100.0.100.0.100.0.100.0.100.0.100.0.
total< 1%5.90.73.10.53.10.53.40.42.30.53.60.2
1-4%7.00.87.20.711.00.913.80.714.31.210.90.4
5-9%11.21.010.70.914.41.019.60.921.51.415.70.4
10-25%27.71.323.51.232.11.331.71.035.11.629.90.6
26-50%20.31.223.31.223.81.219.50.916.41.320.80.5
51-75%13.21.017.31.19.80.97.80.67.60.910.90.4
76-100%14.71.115.01.05.70.74.20.42.80.68.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #158867/145246

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter< 1%0.471....0.7500.21001.238
1-4%0.558....2.1292.1294.819
5-9%0.558..0.5585.2182.5278.814
10-25%1.338..0.5584.7193.92110.413
26-50%0.4710.21000.5584.0211.2386.317
51-75%0.471..0.5582.3280.9454.121
76-100%0.2100..0.21000.9450.4711.633
total3.6220.21002.32819.8911.11237.17
outside perimeter< 1%11.5127.1166.81611.8123.42340.67
1-4%13.51116.61024.0849.0619.59122.64
5-9%22.1924.6831.0767.6530.27175.43
10-25%54.5554.0569.74112.9349.35340.52
26-50%40.5653.3551.4568.2523.68237.02
51-75%26.1839.8621.0926.7810.612124.14
76-100%29.4734.4712.41214.8113.92194.94
total197.51229.81216.31351.01140.521135.11
total< 1%11.8127.1166.81612.5123.52241.86
1-4%14.01116.61024.0851.1621.79127.44
5-9%22.6924.6831.5772.8432.67184.23
10-25%55.8554.0570.24117.6353.25350.82
26-50%40.9653.5552.0572.2524.88243.32
51-75%26.5839.8621.5929.0811.512128.24
76-100%29.6734.4712.51215.7104.22096.54
total201.21230.01218.61370.81151.621172.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #158868/145247

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of regeneration (7 classes) %± %± %± %± %± %± %±
inside perimeter< 1%9.56.43.63.55.13.5..4.54.41.71.63.41.3
1-4%14.37.610.75.910.34.910.55.04.54.419.25.012.92.3
5-9%14.27.617.97.223.16.734.37.727.49.522.35.223.62.9
10-25%33.410.321.47.817.96.126.37.131.89.935.06.028.03.1
26-50%14.37.625.08.215.45.821.06.622.78.910.83.917.02.6
51-75%9.56.410.75.823.16.75.33.68.96.08.03.410.92.1
76-100%4.84.710.75.95.13.52.62.6..3.22.24.31.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter< 1%4.30.42.90.54.20.82.80.73.40.62.40.53.60.2
1-4%7.00.510.20.913.11.312.21.317.01.313.91.210.80.4
5-9%10.90.614.81.116.31.421.81.718.81.421.51.515.50.4
10-25%25.40.935.31.427.11.734.11.931.01.635.11.730.00.6
26-50%22.00.922.11.222.01.620.41.619.31.416.81.320.90.5
51-75%15.40.79.00.910.11.17.21.07.00.97.60.910.90.4
76-100%14.90.75.90.77.21.01.60.53.50.72.80.68.40.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total< 1%4.40.42.90.54.30.72.60.63.40.62.30.53.60.2
1-4%7.10.510.20.913.01.212.11.316.71.314.31.210.90.4
5-9%10.90.614.81.116.61.422.51.619.01.421.51.415.70.4
10-25%25.40.934.91.426.71.633.61.931.01.635.11.629.90.6
26-50%21.90.822.11.221.71.520.41.619.31.416.41.320.70.5
51-75%15.40.79.00.810.71.17.11.07.10.97.60.910.90.4
76-100%14.80.76.00.77.10.91.70.53.40.62.80.68.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #158869/145248

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter< 1%0.4710.21000.371..0.21000.21001.238
1-4%0.5580.5580.7500.7500.21002.1294.819
5-9%0.5580.9451.6332.2281.1412.5278.714
10-25%1.3381.1411.2381.7311.2383.92110.413
26-50%0.5581.3381.0411.4350.9451.2386.317
51-75%0.4710.5581.6330.3710.3710.9454.021
76-100%0.21000.5580.3710.2100..0.4711.633
total3.8225.1196.7166.5163.82111.11237.07
outside perimeter< 1%18.6105.8175.2182.9244.7193.42340.57
1-4%30.1820.4916.11012.81123.6819.59122.64
5-9%46.7629.6720.0922.9826.1830.27175.43
10-25%108.5470.8433.4635.7643.1649.35340.62
26-50%93.9444.2627.1721.3826.7723.68236.92
51-75%66.0518.11012.4127.5159.81310.612124.34
76-100%63.8511.7128.8141.7314.9193.92194.84
total427.51200.61122.92104.82138.92140.521135.21
total< 1%18.9106.0175.5172.9244.9193.52241.86
1-4%30.6721.0916.81013.51123.8821.79127.44
5-9%47.2630.5721.5825.1827.1732.67184.13
10-25%109.7471.9434.6637.4644.3553.25351.02
26-50%94.4445.5628.1722.7827.6724.88243.22
51-75%66.3518.61013.9117.91410.11311.512128.34
76-100%64.0512.3129.2131.9304.9194.22096.44
total431.21205.71129.72111.32142.82151.621172.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #158870/145249

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover of regeneration (7 classes) %± %± %±
Western Jura< 1%10.57.06.30.86.40.8
1-4%15.88.46.70.96.90.9
5-9%15.88.412.01.112.11.1
10-25%36.911.129.01.629.21.6
26-50%5.35.121.31.420.91.4
51-75%10.57.013.81.213.71.2
76-100%5.35.110.91.110.81.1
total100.0.100.0.100.0.
Eastern Jura< 1%..4.11.34.11.3
1-4%..7.41.77.41.7
5-9%..8.21.88.21.8
10-25%..22.72.722.62.7
26-50%100.0.17.82.518.12.5
51-75%..11.22.011.12.0
76-100%..28.52.928.42.9
total100.0.100.0.100.0.
Western Plateau< 1%..3.81.23.81.2
1-4%..7.21.67.21.6
5-9%..10.61.910.61.9
10-25%..26.42.726.42.7
26-50%..25.72.725.72.7
51-75%..17.02.317.02.3
76-100%..9.41.89.41.8
total..100.0.100.0.
Central Plateau< 1%..2.20.72.20.7
1-4%..6.51.26.51.2
5-9%..10.41.510.41.5
10-25%..26.02.225.92.2
26-50%100.0.25.22.125.42.1
51-75%..16.01.816.01.8
76-100%..13.61.713.51.7
total100.0.100.0.100.0.
Eastern Plateau< 1%..3.40.73.40.7
1-4%..7.71.17.71.1
5-9%..10.91.310.91.3
10-25%..20.61.620.61.6
26-50%..20.71.620.71.6
51-75%..18.31.618.31.6
76-100%..18.31.618.31.6
total..100.0.100.0.
Western Pre-Alps< 1%..3.21.13.21.1
1-4%..12.22.112.12.1
5-9%..14.32.214.12.2
10-25%50.035.427.22.827.42.8
26-50%50.035.428.42.928.62.9
51-75%..10.62.010.51.9
76-100%..4.11.34.01.3
total100.0.100.0.100.0.
Central Pre-Alps< 1%..2.90.72.90.7
1-4%..8.61.28.51.2
5-9%25.015.313.61.513.81.5
10-25%25.015.337.52.137.32.1
26-50%25.015.322.61.822.71.8
51-75%12.511.79.01.29.11.2
76-100%12.511.75.71.05.81.0
total100.0.100.0.100.0.
Eastern Pre-Alps< 1%..3.40.93.30.9
1-4%..13.71.713.61.7
5-9%33.327.215.41.815.51.8
10-25%..28.32.228.12.2
26-50%..22.52.022.42.0
51-75%66.727.210.11.510.51.5
76-100%..6.71.26.71.2
total100.0.100.0.100.0.
Northwestern Alps< 1%5.65.42.50.92.70.9
1-4%16.78.811.21.811.51.7
5-9%16.78.817.12.117.12.0
10-25%16.78.837.72.736.62.6
26-50%22.29.816.22.116.52.0
51-75%11.17.47.81.58.01.5
76-100%11.17.47.51.57.71.4
total100.0.100.0.100.0.
Central Alps< 1%5.35.13.91.74.11.6
1-4%10.57.114.03.113.52.8
5-9%15.88.420.33.619.73.3
10-25%21.19.428.24.027.33.7
26-50%21.19.418.83.519.13.3
51-75%26.310.110.22.712.32.7
76-100%..4.71.94.11.6
total100.0.100.0.100.0.
Northeastern Alps< 1%5.95.76.82.06.71.9
1-4%11.87.811.12.511.22.4
5-9%29.411.115.52.816.82.8
10-25%17.69.323.63.323.03.2
26-50%11.87.823.43.322.33.1
51-75%11.87.89.22.39.52.2
76-100%11.87.810.52.410.62.3
total100.0.100.0.100.0.
Southwestern Alps< 1%..2.80.72.60.6
1-4%10.55.012.21.312.11.3
5-9%34.37.721.81.722.51.6
10-25%26.37.134.11.933.61.9
26-50%21.06.620.41.620.41.6
51-75%5.33.67.21.07.11.0
76-100%2.62.61.60.51.70.5
total100.0.100.0.100.0.
Southeastern Alps< 1%4.54.43.40.63.40.6
1-4%4.54.417.01.316.71.3
5-9%27.49.518.81.419.01.4
10-25%31.89.931.01.631.01.6
26-50%22.78.919.31.419.31.4
51-75%8.96.07.00.97.10.9
76-100%..3.50.73.40.6
total100.0.100.0.100.0.
Southern Alps< 1%1.71.62.40.52.30.5
1-4%19.25.013.91.214.31.2
5-9%22.35.221.51.521.51.4
10-25%35.06.035.11.735.11.6
26-50%10.83.916.81.316.41.3
51-75%8.03.47.60.97.60.9
76-100%3.22.22.80.62.80.6
total100.0.100.0.100.0.
Switzerland< 1%3.41.33.60.23.60.2
1-4%12.82.310.80.410.90.4
5-9%23.62.915.50.415.70.4
10-25%28.03.130.00.629.90.6
26-50%17.02.620.90.520.70.5
51-75%11.02.210.90.410.90.4
76-100%4.21.48.40.38.30.3
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #158871/145250

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%0.4719.5139.813
1-4%0.55810.01310.613
5-9%0.55818.1918.69
10-25%1.33843.7644.95
26-50%0.210032.1732.27
51-75%0.47120.8921.19
76-100%0.210016.51016.710
total3.423150.61154.01
Eastern Jura< 1%..1.9311.931
1-4%..3.5233.523
5-9%..3.9223.922
10-25%..10.71210.712
26-50%0.21008.4148.614
51-75%..5.3185.318
76-100%..13.41013.410
total0.210047.0247.22
Western Plateau< 1%..1.9311.931
1-4%..3.5223.522
5-9%..5.2185.218
10-25%..13.11113.111
26-50%..12.71112.711
51-75%..8.4148.414
76-100%..4.6194.619
total..49.4349.43
Central Plateau< 1%..1.5331.533
1-4%..4.5194.519
5-9%..7.3157.315
10-25%..18.1918.19
26-50%0.210017.5917.79
51-75%..11.11111.111
76-100%..9.4139.413
total0.210069.5269.62
Eastern Plateau< 1%..3.8213.821
1-4%..8.5148.514
5-9%..12.11212.112
10-25%..22.8822.88
26-50%..23.0823.08
51-75%..20.3920.39
76-100%..20.3920.39
total..110.91110.91
Western Pre-Alps< 1%..1.5351.535
1-4%..5.5175.517
5-9%..6.4166.416
10-25%0.210012.31112.511
26-50%0.210012.81113.010
51-75%..4.8194.819
76-100%..1.8311.831
total0.47145.2345.53
Central Pre-Alps< 1%..2.9252.925
1-4%..8.5148.514
5-9%0.47113.31113.711
10-25%0.47136.7637.06
26-50%0.47122.1822.58
51-75%0.21008.8149.014
76-100%0.21005.6185.817
total1.43597.8299.22
Eastern Pre-Alps< 1%..2.5262.526
1-4%..10.01310.013
5-9%0.210011.31211.412
10-25%..20.8820.88
26-50%..16.5916.59
51-75%0.4717.4157.714
76-100%..4.9184.918
total0.55873.3273.92
Northwestern Alps< 1%0.21001.4351.633
1-4%0.5586.5167.015
5-9%0.5589.91310.412
10-25%0.55821.8822.38
26-50%0.7509.41310.113
51-75%0.4714.5204.919
76-100%0.4714.3204.719
total3.22357.7361.03
Central Alps< 1%0.21000.9441.140
1-4%0.4713.4233.722
5-9%0.6574.9195.417
10-25%0.8506.8157.514
26-50%0.8504.5195.318
51-75%0.9442.4273.423
76-100%..1.1401.140
total3.62224.0627.65
Northeastern Alps< 1%0.21001.9302.028
1-4%0.3713.1233.422
5-9%0.8444.3195.117
10-25%0.5576.5157.015
26-50%0.3716.5156.815
51-75%0.3712.5252.923
76-100%0.3712.9233.222
total2.92327.5530.44
Southwestern Alps< 1%..2.9242.924
1-4%0.75012.81113.511
5-9%2.22822.9825.18
10-25%1.73135.7637.46
26-50%1.43521.3822.78
51-75%0.3717.5157.914
76-100%0.21001.7311.930
total6.516104.82111.32
Southeastern Alps< 1%0.21004.7194.919
1-4%0.210023.6823.88
5-9%1.14126.1827.17
10-25%1.23843.1644.35
26-50%0.94526.7727.67
51-75%0.3719.81310.113
76-100%..4.9194.919
total3.821138.92142.82
Southern Alps< 1%0.21003.4233.522
1-4%2.12919.5921.79
5-9%2.52730.2732.67
10-25%3.92149.3553.25
26-50%1.23823.6824.88
51-75%0.94510.61211.512
76-100%0.4713.9214.220
total11.112140.52151.62
Switzerland< 1%1.33840.7741.96
1-4%4.819123.04127.84
5-9%8.814175.73184.53
10-25%10.413341.12351.52
26-50%6.317237.12243.52
51-75%4.121124.24128.34
76-100%1.63395.4497.04
total37.271137.211174.41

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #158872/145251

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of assured regeneration %± %± %± %± %± %± %±
inside perimeterless than 1%15.08.0..5.92.92.82.810.06.71.61.65.31.6
1-4%24.99.7..19.14.821.66.85.04.923.55.319.92.8
5-9%15.08.0..19.14.829.77.520.19.021.95.221.32.8
10-25%20.09.050.035.435.35.827.07.340.011.031.35.831.83.2
26-50%15.08.050.035.410.33.710.85.115.08.012.24.112.22.3
51-75%5.04.9..5.92.95.43.79.86.67.83.46.61.7
76-100%5.04.9..4.42.52.72.7..1.61.62.91.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 1%11.11.07.90.77.50.64.20.97.81.14.70.77.60.3
1-4%12.31.012.50.916.60.917.71.621.31.616.41.315.50.5
5-9%17.01.213.30.919.20.922.51.818.71.524.41.518.40.5
10-25%27.41.427.81.230.21.134.02.029.71.830.91.629.50.6
26-50%15.91.119.31.016.70.915.11.515.31.415.61.316.70.5
51-75%10.00.912.70.97.40.65.51.05.30.96.50.98.60.3
76-100%6.20.76.50.72.50.40.90.42.00.51.50.43.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 1%11.11.07.90.77.40.64.20.87.91.04.50.77.50.3
1-4%12.51.012.50.916.60.818.01.620.81.616.91.315.60.4
5-9%17.01.113.20.919.20.923.01.718.71.524.21.418.50.5
10-25%27.31.427.91.230.41.033.52.030.01.830.91.629.60.6
26-50%15.91.119.41.016.50.814.91.515.31.415.31.216.60.5
51-75%9.90.912.70.97.40.65.50.95.50.96.60.88.50.3
76-100%6.20.76.50.72.60.41.00.41.90.51.50.43.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #158873/145252

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterless than 1%0.558..0.7500.21000.4710.21002.030
1-4%0.945..2.3281.4350.21002.7267.415
5-9%0.558..2.3281.9300.7502.5277.915
10-25%0.7500.21004.3201.7311.4353.52211.812
26-50%0.5580.21001.2380.7500.5581.4354.620
51-75%0.2100..0.7500.3710.3710.9452.527
76-100%0.2100..0.5580.2100..0.21001.141
total3.6220.47112.1126.3163.52211.31237.27
outside perimeterless than 1%21.2920.2925.183.9218.9146.81686.24
1-4%23.5832.0755.8516.41024.4823.68175.73
5-9%32.6734.0764.8520.8821.4835.26208.73
10-25%52.5571.34101.9431.4634.0644.56335.72
26-50%30.4749.5556.3514.01017.5922.48190.23
51-75%19.2932.5725.085.1186.1179.41397.44
76-100%12.01216.6108.4140.9452.3282.12942.36
total191.41256.21337.3192.42114.62144.221136.11
totalless than 1%21.7920.2925.884.1209.3137.01688.24
1-4%24.4832.0758.1517.7924.5826.38183.13
5-9%33.1734.0767.1522.6822.1837.76216.63
10-25%53.2571.54106.2433.1635.4648.15347.52
26-50%31.0749.7557.5514.71018.0923.88194.73
51-75%19.4932.5725.785.4176.41610.31399.94
76-100%12.11216.6109.0141.0412.3282.32843.36
total195.01256.61349.4198.72118.12155.521173.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #158874/145253

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of cover of assured regeneration %± %± %±
AGless than 1%..11.42.011.42.0
1-4%..15.22.215.22.2
5-9%..11.72.011.72.0
10-25%..26.12.726.12.7
26-50%..14.82.214.82.2
51-75%..12.12.012.12.0
76-100%..8.71.78.71.7
total..100.0.100.0.
AIless than 1%..8.54.88.54.8
1-4%..11.35.411.35.4
5-9%..29.17.829.17.8
10-25%..31.27.931.27.9
26-50%..14.25.914.25.9
51-75%..2.82.82.82.8
76-100%..2.82.82.82.8
total..100.0.100.0.
ARless than 1%..8.03.88.03.8
1-4%..19.95.719.95.7
5-9%..28.16.428.16.4
10-25%..15.95.215.95.2
26-50%..18.25.518.25.5
51-75%..8.03.88.03.8
76-100%..2.02.02.02.0
total..100.0.100.0.
BEless than 1%8.05.47.60.97.60.9
1-4%28.09.013.51.113.91.1
5-9%..19.11.318.61.3
10-25%36.09.630.21.530.31.5
26-50%20.08.017.01.217.11.2
51-75%..9.20.99.00.9
76-100%8.05.43.40.63.50.6
total100.0.100.0.100.0.
BL/BSless than 1%..2.01.42.01.4
1-4%..7.02.66.92.5
5-9%50.035.512.93.413.63.4
10-25%..34.94.834.34.7
26-50%50.035.517.13.817.73.8
51-75%..14.13.513.83.4
76-100%..12.03.311.83.2
total100.0.100.0.100.0.
FRless than 1%..6.91.76.91.7
1-4%..14.42.314.32.3
5-9%..14.82.314.72.3
10-25%..33.03.132.93.1
26-50%100.0.21.72.722.12.7
51-75%..7.01.76.91.7
76-100%..2.21.02.21.0
total100.0.100.0.100.0.
GEless than 1%......
1-4%..9.49.49.49.4
5-9%..9.49.49.49.4
10-25%..34.014.834.014.8
26-50%..47.215.847.215.8
51-75%......
76-100%......
total..100.0.100.0.
GLless than 1%8.38.017.24.216.13.8
1-4%16.710.811.13.511.83.3
5-9%25.012.513.63.815.13.7
10-25%41.714.317.44.220.64.2
26-50%..19.74.417.23.9
51-75%8.38.011.13.510.73.2
76-100%..9.83.38.62.9
total100.0.100.0.100.0.
GRless than 1%5.13.58.00.97.90.9
1-4%12.95.420.21.319.91.3
5-9%23.26.821.31.321.41.3
10-25%38.57.829.31.529.71.5
26-50%12.85.414.71.114.61.1
51-75%7.54.24.70.74.80.7
76-100%..1.80.41.70.4
total100.0.100.0.100.0.
JUless than 1%..8.22.08.02.0
1-4%16.715.213.72.613.82.5
5-9%16.715.215.42.715.42.6
10-25%33.319.324.23.224.53.1
26-50%16.715.217.02.817.02.7
51-75%16.715.213.72.613.82.5
76-100%..7.72.07.41.9
total100.0.100.0.100.0.
LUless than 1%..5.01.45.01.4
1-4%..10.01.910.01.9
5-9%..12.92.212.92.2
10-25%..35.93.135.93.1
26-50%..22.52.722.52.7
51-75%..11.22.011.22.0
76-100%..2.51.02.51.0
total..100.0.100.0.
NEless than 1%100.0.4.91.75.51.8
1-4%..12.32.612.32.6
5-9%..17.93.017.83.0
10-25%..32.13.731.93.7
26-50%..23.53.323.33.3
51-75%..5.61.85.51.8
76-100%..3.71.53.71.5
total100.0.100.0.100.0.
NWless than 1%..2.62.62.42.4
1-4%33.327.531.47.631.57.3
5-9%..18.56.417.15.9
10-25%66.727.423.87.026.97.0
26-50%..13.25.512.25.2
51-75%..10.65.09.84.7
76-100%......
total100.0.100.0.100.0.
OWless than 1%..11.43.111.13.0
1-4%33.327.322.94.123.24.1
5-9%33.327.326.64.326.84.3
10-25%..21.04.020.43.9
26-50%..7.62.67.42.5
51-75%..6.72.46.52.4
76-100%33.327.33.81.94.62.0
total100.0.100.0.100.0.
SGless than 1%..8.61.68.41.6
1-4%28.617.120.22.320.42.3
5-9%28.617.113.92.014.22.0
10-25%42.918.726.82.627.22.5
26-50%..17.22.216.82.1
51-75%..10.31.710.01.7
76-100%..3.01.02.91.0
total100.0.100.0.100.0.
SHless than 1%..1.61.61.61.6
1-4%..9.43.79.43.7
5-9%..15.64.615.64.6
10-25%..29.75.729.75.7
26-50%..17.24.717.24.7
51-75%..12.54.212.54.2
76-100%..14.14.414.14.4
total..100.0.100.0.
SOless than 1%..16.92.816.62.7
1-4%25.021.712.02.412.32.4
5-9%25.021.715.32.715.52.6
10-25%25.021.723.03.123.03.1
26-50%..12.02.411.72.4
51-75%..10.42.310.22.2
76-100%25.021.710.42.310.72.3
total100.0.100.0.100.0.
SZless than 1%..13.22.712.92.6
1-4%33.327.323.23.423.43.3
5-9%..16.32.916.02.9
10-25%..25.83.525.43.4
26-50%66.727.313.22.714.22.8
51-75%..6.92.06.82.0
76-100%..1.30.91.20.9
total100.0.100.0.100.0.
TGless than 1%..7.12.37.12.3
1-4%..8.62.58.62.5
5-9%..13.43.013.43.0
10-25%..24.53.824.53.8
26-50%..22.83.722.83.7
51-75%..17.33.417.33.4
76-100%..6.32.26.32.2
total..100.0.100.0.
TIless than 1%2.32.24.00.83.90.7
1-4%24.06.315.91.416.41.4
5-9%21.86.123.01.722.91.6
10-25%28.46.731.81.831.51.8
26-50%12.74.916.31.516.01.4
51-75%8.74.27.51.07.61.0
76-100%2.22.21.60.51.60.5
total100.0.100.0.100.0.
URless than 1%11.87.87.93.18.62.9
1-4%11.87.814.44.013.93.6
5-9%23.510.318.54.519.44.1
10-25%29.411.129.15.229.14.7
26-50%5.95.722.44.819.34.1
51-75%17.69.36.42.88.52.9
76-100%..1.31.31.11.1
total100.0.100.0.100.0.
VDless than 1%25.021.78.11.28.21.2
1-4%..13.21.413.11.4
5-9%50.025.017.01.617.31.6
10-25%25.021.731.12.031.12.0
26-50%..17.61.617.51.6
51-75%..9.91.39.81.3
76-100%..3.10.73.10.7
total100.0.100.0.100.0.
VSless than 1%2.82.73.90.83.80.8
1-4%21.06.616.41.516.71.5
5-9%28.97.422.11.722.51.6
10-25%28.97.435.01.934.71.9
26-50%10.55.015.81.515.51.4
51-75%5.33.65.70.95.70.9
76-100%2.62.61.00.41.10.4
total100.0.100.0.100.0.
ZGless than 1%..11.85.611.85.6
1-4%......
5-9%..17.66.617.66.6
10-25%..32.48.132.48.1
26-50%..26.57.626.57.6
51-75%..8.84.98.84.9
76-100%..2.92.92.92.9
total..100.0.100.0.
ZHless than 1%..10.51.910.51.9
1-4%..15.72.215.72.2
5-9%..14.72.214.72.2
10-25%..24.52.624.52.6
26-50%..13.52.113.52.1
51-75%..11.62.011.62.0
76-100%..9.41.89.41.8
total..100.0.100.0.
Switzerlandless than 1%5.31.67.60.37.50.3
1-4%19.92.815.50.515.60.4
5-9%21.32.818.30.518.40.5
10-25%31.73.229.60.629.60.6
26-50%12.32.316.70.516.60.5
51-75%6.61.78.60.38.50.3
76-100%2.81.13.70.23.70.2
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #158875/145254

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %
AGless than 1%..5.6175.617
1-4%..7.4157.415
5-9%..5.8175.817
10-25%..12.81012.810
26-50%..7.2157.215
51-75%..5.9175.917
76-100%..4.3204.320
total..49.0249.02
AIless than 1%..0.5560.556
1-4%..0.6480.648
5-9%..1.6291.629
10-25%..1.7261.726
26-50%..0.8420.842
51-75%..0.21000.2100
76-100%..0.21000.2100
total..5.475.47
ARless than 1%..0.7490.749
1-4%..1.6291.629
5-9%..2.3242.324
10-25%..1.3331.333
26-50%..1.5311.531
51-75%..0.7490.749
76-100%..0.21000.2100
total..8.268.26
BEless than 1%0.47112.61213.011
1-4%1.23822.4823.68
5-9%..31.8731.87
10-25%1.63350.1551.75
26-50%0.94528.3729.27
51-75%..15.31015.310
76-100%0.4715.7176.017
total4.420166.22170.61
BL/BSless than 1%..0.4700.470
1-4%..1.4371.437
5-9%0.21002.6262.825
10-25%..7.0147.014
26-50%0.21003.4223.622
51-75%..2.8252.825
76-100%..2.4272.427
total0.47020.1420.54
FRless than 1%..2.9242.924
1-4%..6.0166.016
5-9%..6.2166.216
10-25%..13.91013.910
26-50%0.21009.1139.313
51-75%..2.9242.924
76-100%..0.9440.944
total0.210042.0342.23
GEless than 1%......
1-4%..0.31000.3100
5-9%..0.31000.3100
10-25%..1.1471.147
26-50%..1.5351.535
51-75%......
76-100%......
total..3.1133.113
GLless than 1%0.21002.4252.624
1-4%0.3701.5321.929
5-9%0.5571.9292.426
10-25%0.9442.4263.322
26-50%..2.7242.724
51-75%0.21001.5321.731
76-100%..1.4341.434
total2.12813.9716.06
GRless than 1%0.37113.31113.711
1-4%0.94533.4734.37
5-9%1.63335.3636.96
10-25%2.62648.6551.25
26-50%0.94524.3825.18
51-75%0.5587.8158.314
76-100%..3.0243.024
total6.816165.62172.41
JUless than 1%..2.7252.725
1-4%0.21004.4194.618
5-9%0.21005.0185.217
10-25%0.4717.8138.213
26-50%0.21005.5175.716
51-75%0.21004.4194.618
76-100%..2.5262.526
total1.14032.3333.43
LUless than 1%..2.0282.028
1-4%..4.1204.120
5-9%..5.3175.317
10-25%..14.7914.79
26-50%..9.2129.212
51-75%..4.6184.618
76-100%..1.0401.040
total..40.9340.93
NEless than 1%0.21001.4351.633
1-4%..3.6213.621
5-9%..5.2175.217
10-25%..9.3129.312
26-50%..6.8146.814
51-75%..1.6331.633
76-100%..1.1401.140
total0.210029.0329.23
NWless than 1%..0.21000.2100
1-4%0.21002.3262.524
5-9%..1.4351.435
10-25%0.4701.8302.227
26-50%..1.0431.043
51-75%..0.8480.848
76-100%......
total0.6567.488.06
OWless than 1%..2.2272.227
1-4%0.21004.3184.518
5-9%0.21005.0175.217
10-25%..4.0194.019
26-50%..1.4351.435
51-75%..1.3371.337
76-100%0.21000.7490.944
total0.55718.9419.44
SGless than 1%..4.6194.619
1-4%0.47110.71211.012
5-9%0.4717.4157.714
10-25%0.55814.21014.710
26-50%..9.1139.113
51-75%..5.4175.417
76-100%..1.6331.633
total1.23752.9354.13
SHless than 1%..0.21000.2100
1-4%..1.2391.239
5-9%..1.9291.929
10-25%..3.7203.720
26-50%..2.1282.128
51-75%..1.6331.633
76-100%..1.7311.731
total..12.4412.44
SOless than 1%..5.4175.417
1-4%0.21003.9204.020
5-9%0.21004.9185.117
10-25%0.21007.4147.514
26-50%..3.8203.820
51-75%..3.3223.322
76-100%0.21003.3223.521
total0.75032.1332.83
SZless than 1%..3.8213.821
1-4%0.21006.8156.915
5-9%..4.7184.718
10-25%..7.5147.514
26-50%0.4703.8214.220
51-75%..2.0292.029
76-100%..0.4700.470
total0.55729.1429.64
TGless than 1%..1.5321.532
1-4%..1.8291.829
5-9%..2.9232.923
10-25%..5.2165.216
26-50%..4.8174.817
51-75%..3.7203.720
76-100%..1.3341.334
total..21.3421.34
TIless than 1%0.21004.6194.819
1-4%1.93018.1920.09
5-9%1.83126.2728.07
10-25%2.32836.1638.46
26-50%1.04118.5919.59
51-75%0.7508.6149.313
76-100%0.21001.8312.030
total8.114113.82121.92
URless than 1%0.4701.1401.534
1-4%0.4702.0292.427
5-9%0.7492.6253.422
10-25%0.9444.1205.117
26-50%0.21003.2233.422
51-75%0.6570.9451.535
76-100%..0.21000.2100
total3.22314.2817.46
VDless than 1%0.21008.0158.214
1-4%..13.11113.111
5-9%0.47116.91017.29
10-25%0.210030.8731.07
26-50%..17.4917.49
51-75%..9.8139.813
76-100%..3.1243.124
total0.75099.0299.72
VSless than 1%0.21004.1204.320
1-4%1.43517.2918.69
5-9%1.93023.2825.17
10-25%1.93036.7638.66
26-50%0.75016.61017.39
51-75%0.3716.0176.316
76-100%0.21001.0411.238
total6.516104.82111.32
ZGless than 1%..0.7480.748
1-4%......
5-9%..1.1381.138
10-25%..1.9271.927
26-50%..1.6291.629
51-75%..0.5560.556
76-100%..0.21000.2100
total..6.076.07
ZHless than 1%..5.2185.218
1-4%..7.8147.814
5-9%..7.3157.315
10-25%..12.11112.111
26-50%..6.7166.716
51-75%..5.8175.817
76-100%..4.7194.719
total..49.6249.62
Switzerlandless than 1%2.03086.0488.04
1-4%7.415176.03183.53
5-9%7.915208.63216.53
10-25%11.812336.22348.02
26-50%4.620190.53195.03
51-75%2.52797.4499.94
76-100%1.14142.5643.66
total37.371137.211174.51

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #158876/145255

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of assured regeneration %± %± %± %± %± %±
inside perimeterless than 1%15.08.0....6.22.31.71.65.31.5
1-4%24.99.7..15.410.017.53.623.95.419.92.8
5-9%15.08.0..15.410.022.83.922.35.221.32.8
10-25%20.09.0..46.213.833.34.430.25.831.73.2
26-50%15.08.0100.0.15.410.010.52.912.44.112.32.3
51-75%5.04.9....7.12.48.03.46.71.7
76-100%5.04.9..7.77.42.61.51.61.62.91.1
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 1%11.31.08.00.86.70.76.90.64.70.87.60.3
1-4%12.11.012.60.916.21.118.60.915.91.315.50.5
5-9%16.31.113.71.018.81.119.90.924.51.518.40.5
10-25%27.61.427.51.230.71.330.51.031.41.629.50.6
26-50%16.01.118.51.118.41.115.60.815.21.316.70.5
51-75%9.90.913.20.97.60.86.20.56.70.98.60.3
76-100%6.90.86.50.71.60.42.30.31.50.43.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 1%11.31.08.00.86.60.76.90.54.50.77.50.3
1-4%12.31.012.60.916.11.118.50.816.51.315.60.4
5-9%16.21.113.61.018.81.120.10.924.31.518.50.5
10-25%27.51.327.41.230.91.330.71.031.31.629.60.6
26-50%16.01.118.61.118.41.115.30.815.01.216.60.5
51-75%9.80.913.20.97.50.86.20.56.80.98.50.3
76-100%6.90.86.50.71.60.42.30.31.50.43.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #158877/145256

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterless than 1%0.558....1.2380.21002.030
1-4%0.945..0.4713.5222.7267.415
5-9%0.558..0.4714.5202.5277.915
10-25%0.750..1.1416.6163.42311.812
26-50%0.5580.21000.4712.1291.4354.520
51-75%0.2100....1.4350.9452.527
76-100%0.2100..0.21000.5580.21001.141
total3.6220.21002.32819.8911.11237.17
outside perimeterless than 1%22.2918.41014.51124.386.71686.14
1-4%23.9829.1734.9765.2522.48175.43
5-9%32.1731.4740.7670.0534.46208.63
10-25%54.5563.1566.55107.2444.16335.42
26-50%31.6742.6639.8654.7521.49190.03
51-75%19.5930.3716.51021.699.41397.44
76-100%13.71115.0113.4238.0152.12942.26
total197.51229.81216.31351.01140.521135.11
totalless than 1%22.8818.41014.51125.586.91688.14
1-4%24.8829.1735.3768.6525.18182.83
5-9%32.6731.4741.0674.6436.96216.53
10-25%55.3563.1567.54113.8347.45347.12
26-50%32.1742.8640.1656.7522.88194.63
51-75%19.7930.3716.51023.1910.31399.94
76-100%13.91115.0113.6228.5142.32843.36
total201.21230.01218.61370.81151.621172.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #158878/145257

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes) %± %± %±
Western Jura0-20%..0.80.30.80.3
21-40%..1.90.51.90.5
41-60%5.25.16.10.86.00.8
61-80%5.35.114.41.214.21.2
over 80%89.57.076.81.577.11.4
total100.0.100.0.100.0.
Eastern Jura0-20%..0.40.40.40.4
21-40%..0.80.60.80.6
41-60%..1.20.71.20.7
61-80%..3.31.23.31.1
over 80%100.0.94.21.594.21.5
total100.0.100.0.100.0.
Western Plateau0-20%..1.90.81.90.8
21-40%..1.50.81.50.8
41-60%..5.71.45.71.4
61-80%..8.71.78.71.7
over 80%..82.32.382.32.3
total..100.0.100.0.
Central Plateau0-20%..0.70.40.70.4
21-40%..1.20.51.20.5
41-60%..1.90.71.90.7
61-80%..8.31.48.21.4
over 80%100.0.87.81.687.91.6
total100.0.100.0.100.0.
Eastern Plateau0-20%..1.00.41.00.4
21-40%..1.50.51.50.5
41-60%..2.00.62.00.6
61-80%..5.91.05.91.0
over 80%..89.71.289.71.2
total..100.0.100.0.
Western Pre-Alps0-20%..4.91.44.81.4
21-40%..2.91.12.81.1
41-60%..16.22.416.12.3
61-80%50.035.422.02.622.22.6
over 80%50.035.454.13.254.13.2
total100.0.100.0.100.0.
Central Pre-Alps0-20%..1.30.51.30.5
21-40%..4.20.94.20.9
41-60%12.511.78.31.28.31.2
61-80%12.511.721.11.821.01.7
over 80%75.015.365.12.065.22.0
total100.0.100.0.100.0.
Eastern Pre-Alps0-20%..1.90.71.90.7
21-40%..3.40.93.30.9
41-60%..8.21.38.11.3
61-80%..18.91.918.81.9
over 80%100.0.67.62.367.82.3
total100.0.100.0.100.0.
Northwestern Alps0-20%5.65.45.91.35.91.3
21-40%..8.41.68.01.5
41-60%5.65.413.71.913.31.8
61-80%22.29.824.32.424.22.3
over 80%66.711.147.72.848.72.7
total100.0.100.0.100.0.
Central Alps0-20%..4.51.83.91.6
21-40%..10.92.89.52.4
41-60%15.88.411.02.811.62.7
61-80%21.19.423.43.823.13.5
over 80%63.211.050.14.451.84.1
total100.0.100.0.100.0.
Northeastern Alps0-20%..3.11.42.81.2
21-40%..9.92.49.02.1
41-60%11.87.814.32.814.12.6
61-80%17.69.321.63.221.23.1
over 80%70.611.051.03.952.93.7
total100.0.100.0.100.0.
Southwestern Alps0-20%5.43.71.70.51.90.5
21-40%5.33.611.71.311.41.2
41-60%18.46.316.81.516.91.5
61-80%26.37.124.81.724.91.7
over 80%44.78.145.12.045.01.9
total100.0.100.0.100.0.
Southeastern Alps0-20%4.64.52.80.62.80.6
21-40%8.96.010.41.110.41.1
41-60%..22.31.521.71.4
61-80%50.010.729.41.629.91.6
over 80%36.510.335.11.735.21.7
total100.0.100.0.100.0.
Southern Alps0-20%1.71.62.10.52.10.5
21-40%4.82.76.10.86.00.8
41-60%4.82.711.51.111.01.1
61-80%23.95.419.61.419.91.4
over 80%64.96.060.71.761.01.7
total100.0.100.0.100.0.
Switzerland0-20%2.41.12.00.22.00.2
21-40%3.31.25.30.35.20.3
41-60%8.51.910.30.410.20.4
61-80%23.62.917.90.518.10.5
over 80%62.23.364.50.664.40.6
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #158879/145258

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%..1.3381.338
21-40%..2.9252.925
41-60%0.21009.1149.314
61-80%0.210021.7921.88
over 80%3.024115.72118.72
total3.423150.61154.01
Eastern Jura0-20%..0.21000.2100
21-40%..0.4710.471
41-60%..0.6580.658
61-80%..1.6351.635
over 80%0.210044.3344.53
total0.210047.0247.22
Western Plateau0-20%..0.9450.945
21-40%..0.7500.750
41-60%..2.8252.825
61-80%..4.3204.320
over 80%..40.7440.74
total..49.4349.43
Central Plateau0-20%..0.5580.558
21-40%..0.9450.945
41-60%..1.3351.335
61-80%..5.7175.717
over 80%0.210061.0361.23
total0.210069.5269.62
Eastern Plateau0-20%..1.1411.141
21-40%..1.6331.633
41-60%..2.2292.229
61-80%..6.5166.516
over 80%..99.5299.52
total..110.91110.91
Western Pre-Alps0-20%..2.2282.228
21-40%..1.3371.337
41-60%..7.3157.315
61-80%0.21009.91210.112
over 80%0.210024.4624.66
total0.47145.2345.53
Central Pre-Alps0-20%..1.3381.338
21-40%..4.1214.121
41-60%0.21008.1148.314
61-80%0.210020.7820.98
over 80%1.14163.6464.74
total1.43597.8299.22
Eastern Pre-Alps0-20%..1.4351.435
21-40%..2.5262.526
41-60%..6.0176.017
61-80%..13.91013.910
over 80%0.55849.6450.14
total0.55873.3273.92
Northwestern Alps0-20%0.21003.4233.622
21-40%..4.9194.919
41-60%0.21007.9148.114
61-80%0.75014.01014.810
over 80%2.22927.5729.76
total3.22357.7361.03
Central Alps0-20%..1.1411.141
21-40%..2.6262.626
41-60%0.6572.6263.223
61-80%0.8505.6176.416
over 80%2.32812.11114.39
total3.62224.0627.65
Northeastern Alps0-20%..0.9450.945
21-40%..2.7242.724
41-60%0.3714.0204.319
61-80%0.5575.9166.515
over 80%2.02814.1916.18
total2.92327.5530.44
Southwestern Alps0-20%0.4711.7322.129
21-40%0.37112.31112.611
41-60%1.23817.6918.89
61-80%1.73125.9727.77
over 80%2.92447.2550.15
total6.516104.82111.32
Southeastern Alps0-20%0.21003.9214.121
21-40%0.37114.51114.810
41-60%..31.0731.07
61-80%1.93040.8642.76
over 80%1.43548.8550.25
total3.821138.92142.82
Southern Alps0-20%0.21003.0243.224
21-40%0.5588.6149.114
41-60%0.55816.11016.710
61-80%2.62627.5730.27
over 80%7.21585.3392.53
total11.112140.52151.62
Switzerland0-20%0.94522.8923.79
21-40%1.23859.9561.15
41-60%3.224116.64119.84
61-80%8.814204.13212.93
over 80%23.29733.81756.91
total37.271137.211174.41

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #158880/145259

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · concept of transportation system · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedconcept of transportation system %± %± %± %± %± %± %±
inside perimeterroad and skidding track40.111.050.035.413.24.124.37.0..7.83.415.22.5
road and skidding road15.08.050.035.47.43.22.72.75.04.93.12.26.21.7
road and cable line15.08.0..45.66.029.77.550.111.217.34.731.33.2
road and flight path....17.64.621.66.810.06.715.74.515.12.5
no access intended29.910.2..16.24.521.76.834.810.656.16.232.23.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterroad and skidding track60.41.575.21.127.41.017.71.615.51.411.61.139.70.5
road and skidding road30.11.420.81.115.50.84.20.98.91.14.40.716.20.5
road and cable line3.20.52.20.436.51.131.02.044.71.921.91.421.70.5
road and flight path0.70.2..9.40.722.71.88.61.16.90.96.50.3
no access intended5.70.71.80.411.30.724.31.822.41.655.31.716.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalroad and skidding track60.01.575.11.126.91.018.21.615.01.411.31.139.00.5
road and skidding road29.81.420.81.115.20.84.10.88.81.14.30.715.80.4
road and cable line3.40.62.20.436.81.130.91.944.81.921.51.422.00.5
road and flight path0.60.2..9.70.722.61.78.61.17.50.96.70.3
no access intended6.10.71.80.411.40.724.21.822.81.655.31.716.50.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #158881/145260

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · concept of transportation system · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedconcept of transportation system1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterroad and skidding track1.4350.21001.6331.533..0.9455.618
road and skidding road0.5580.21000.9450.21000.21000.4712.328
road and cable line0.558..5.5181.9301.8311.93011.612
road and flight path....2.1291.4350.4711.8315.618
no access intended1.141..2.0301.4351.2386.31612.012
total3.6220.47112.1126.3163.52211.31237.27
outside perimeterroad and skidding track115.53192.6292.6416.41017.7916.710451.51
road and skidding road57.6553.3552.253.92110.2136.316183.53
road and cable line6.2175.718123.0328.6751.2531.67246.22
road and flight path1.338..31.6720.989.8139.91373.55
no access intended10.9134.61938.0722.5825.7879.74181.43
total191.41256.21337.3192.42114.62144.221136.11
totalroad and skidding track117.03192.8294.2417.9917.7917.610457.21
road and skidding road58.1553.5553.154.12010.4136.716185.83
road and cable line6.7165.718128.5330.5753.0533.57257.92
road and flight path1.338..33.7722.3810.21311.61279.14
no access intended12.0124.61939.9623.9826.9786.13193.33
total195.01256.61349.4198.72118.12155.521173.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #158882/145261

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · concept of transportation system · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonconcept of transportation system %± %± %±
AGroad and skidding track..70.52.770.52.7
road and skidding road..26.52.726.52.7
road and cable line......
road and flight path......
no access intended..3.01.13.01.1
total..100.0.100.0.
AIroad and skidding track..66.08.166.08.1
road and skidding road..8.54.88.54.8
road and cable line..8.54.88.54.8
road and flight path......
no access intended..17.06.417.06.4
total..100.0.100.0.
ARroad and skidding track..58.07.058.07.0
road and skidding road..25.96.225.96.2
road and cable line..11.94.611.94.6
road and flight path..4.33.04.33.0
no access intended......
total..100.0.100.0.
BEroad and skidding track24.08.545.11.644.61.6
road and skidding road8.05.419.91.319.61.3
road and cable line44.09.922.91.423.41.4
road and flight path4.03.94.50.74.50.7
no access intended20.08.07.60.97.90.9
total100.0.100.0.100.0.
BL/BSroad and skidding track50.035.568.24.567.94.5
road and skidding road..23.94.323.44.2
road and cable line50.035.55.82.36.72.5
road and flight path......
no access intended..2.01.42.01.4
total100.0.100.0.100.0.
FRroad and skidding track100.0.43.53.343.73.3
road and skidding road..24.82.924.72.8
road and cable line..24.42.824.22.8
road and flight path..3.91.33.91.3
no access intended..3.51.23.51.2
total100.0.100.0.100.0.
GEroad and skidding track..71.714.471.714.4
road and skidding road..28.314.428.314.4
road and cable line......
road and flight path......
no access intended......
total..100.0.100.0.
GLroad and skidding track8.38.014.94.014.03.6
road and skidding road..3.72.13.21.8
road and cable line58.314.234.65.337.65.0
road and flight path8.38.016.04.115.03.7
no access intended25.012.530.95.230.14.8
total100.0.100.0.100.0.
GRroad and skidding track2.62.516.31.215.81.2
road and skidding road5.13.58.50.98.30.9
road and cable line43.78.046.31.646.21.6
road and flight path12.85.48.20.98.40.9
no access intended35.77.720.81.321.31.3
total100.0.100.0.100.0.
JUroad and skidding track33.319.348.93.748.43.7
road and skidding road33.319.341.83.741.53.6
road and cable line..1.60.91.60.9
road and flight path......
no access intended33.319.37.72.08.52.0
total100.0.100.0.100.0.
LUroad and skidding track..53.43.253.43.2
road and skidding road..26.22.826.22.8
road and cable line..16.72.416.72.4
road and flight path..0.80.60.80.6
no access intended..2.91.12.91.1
total..100.0.100.0.
NEroad and skidding track100.0.60.53.960.73.8
road and skidding road..32.73.732.53.7
road and cable line..1.91.11.81.1
road and flight path..0.60.60.60.6
no access intended..4.31.64.31.6
total100.0.100.0.100.0.
NWroad and skidding track..18.56.417.15.9
road and skidding road..10.65.09.84.7
road and cable line66.727.450.18.151.47.8
road and flight path..20.86.619.36.2
no access intended33.327.5..2.42.4
total100.0.100.0.100.0.
OWroad and skidding track..6.72.46.52.4
road and skidding road33.327.317.13.717.63.7
road and cable line33.327.342.94.842.64.8
road and flight path33.327.330.54.530.64.5
no access intended..2.91.62.81.6
total100.0.100.0.100.0.
SGroad and skidding track14.313.246.42.945.62.8
road and skidding road28.617.119.92.320.12.3
road and cable line42.918.720.22.320.72.3
road and flight path..3.61.13.61.1
no access intended14.313.29.91.710.01.7
total100.0.100.0.100.0.
SHroad and skidding track..90.63.190.63.1
road and skidding road..9.43.79.43.7
road and cable line......
road and flight path......
no access intended......
total..100.0.100.0.
SOroad and skidding track25.021.768.93.468.03.4
road and skidding road25.021.724.03.124.03.1
road and cable line25.021.73.81.44.31.5
road and flight path......
no access intended25.021.73.31.33.71.4
total100.0.100.0.100.0.
SZroad and skidding track..22.63.322.23.3
road and skidding road..12.52.612.32.6
road and cable line100.0.44.13.945.13.9
road and flight path..12.62.612.32.6
no access intended..8.22.28.02.1
total100.0.100.0.100.0.
TGroad and skidding track..84.23.384.23.3
road and skidding road..13.43.013.43.0
road and cable line......
road and flight path......
no access intended..2.41.42.41.4
total..100.0.100.0.
TIroad and skidding track8.74.210.91.210.71.2
road and skidding road2.22.24.30.84.20.8
road and cable line10.94.615.11.414.81.3
road and flight path15.35.36.41.07.01.0
no access intended62.97.163.31.963.31.8
total100.0.100.0.100.0.
URroad and skidding track17.69.39.23.310.83.2
road and skidding road..9.23.37.52.7
road and cable line23.510.325.15.024.84.5
road and flight path47.112.126.35.130.14.8
no access intended11.87.830.25.326.84.6
total100.0.100.0.100.0.
VDroad and skidding track25.021.759.22.158.92.1
road and skidding road..19.81.719.61.7
road and cable line..9.91.39.81.3
road and flight path25.021.71.60.51.80.6
no access intended50.025.09.51.39.81.3
total100.0.100.0.100.0.
VSroad and skidding track23.66.918.31.618.61.5
road and skidding road5.33.65.00.95.10.9
road and cable line28.97.431.91.931.81.8
road and flight path21.06.621.31.721.31.6
no access intended21.26.623.51.723.31.7
total100.0.100.0.100.0.
ZGroad and skidding track..32.38.132.38.1
road and skidding road..38.38.438.38.4
road and cable line..29.47.929.47.9
road and flight path......
no access intended......
total..100.0.100.0.
ZHroad and skidding track..77.02.677.02.6
road and skidding road..14.72.214.72.2
road and cable line..7.11.67.11.6
road and flight path......
no access intended..1.10.61.10.6
total..100.0.100.0.
Switzerlandroad and skidding track15.22.539.80.639.00.5
road and skidding road6.11.616.10.515.80.4
road and cable line31.33.221.60.521.90.5
road and flight path15.32.56.50.36.80.3
no access intended32.13.215.90.416.40.4
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #158883/145262

NFI3

forest area: rockfall SilvaProtect, modelled and assigned · concept of transportation system · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI3
state 2004/06
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonconcept of transportation system1000 ha± %1000 ha± %1000 ha± %
AGroad and skidding track..34.5434.54
road and skidding road..13.01013.010
road and cable line......
road and flight path......
no access intended..1.5351.535
total..49.0249.02
AIroad and skidding track..3.5153.515
road and skidding road..0.5560.556
road and cable line..0.5560.556
road and flight path......
no access intended..0.9380.938
total..5.475.47
ARroad and skidding track..4.8134.813
road and skidding road..2.1242.124
road and cable line..1.0391.039
road and flight path..0.4710.471
no access intended......
total..8.268.26
BEroad and skidding track1.14175.0476.14
road and skidding road0.47133.1733.47
road and cable line2.03038.0640.06
road and flight path0.21007.5157.615
no access intended0.94512.61113.511
total4.420166.22170.61
BL/BSroad and skidding track0.210013.7813.97
road and skidding road..4.8184.818
road and cable line0.21001.2401.437
road and flight path......
no access intended..0.4700.470
total0.47020.1420.54
FRroad and skidding track0.210018.3818.58
road and skidding road..10.41210.412
road and cable line..10.21210.212
road and flight path..1.6331.633
no access intended..1.5351.535
total0.210042.0342.23
GEroad and skidding track..2.2252.225
road and skidding road..0.9520.952
road and cable line......
road and flight path......
no access intended......
total..3.1133.113
GLroad and skidding track0.21002.1282.227
road and skidding road..0.5570.557
road and cable line1.2374.8176.015
road and flight path0.21002.2262.425
no access intended0.5574.3184.817
total2.12813.9716.06
GRroad and skidding track0.210027.0827.28
road and skidding road0.37114.01114.411
road and cable line3.02476.6479.64
road and flight path0.94513.61114.511
no access intended2.42734.4736.86
total6.816165.62172.41
JUroad and skidding track0.47115.8816.28
road and skidding road0.47113.5913.99
road and cable line..0.5570.557
road and flight path......
no access intended0.4712.5262.824
total1.14032.3333.43
LUroad and skidding track..21.8721.87
road and skidding road..10.71110.711
road and cable line..6.8156.815
road and flight path..0.3710.371
no access intended..1.2381.238
total..40.9340.93
NEroad and skidding track0.210017.6717.87
road and skidding road..9.5129.512
road and cable line..0.5570.557
road and flight path..0.21000.2100
no access intended..1.3371.337
total0.210029.0329.23
NWroad and skidding track..1.4351.435
road and skidding road..0.8480.848
road and cable line0.4703.7184.116
road and flight path..1.5331.533
no access intended0.2100..0.2100
total0.6567.488.06
OWroad and skidding track..1.3371.337
road and skidding road0.21003.2223.421
road and cable line0.21008.1128.312
road and flight path0.21005.8155.915
no access intended..0.5570.557
total0.55718.9419.44
SGroad and skidding track0.210024.5724.77
road and skidding road0.47110.51210.912
road and cable line0.55810.71211.211
road and flight path..1.9301.930
no access intended0.21005.3185.417
total1.23752.9354.13
SHroad and skidding track..11.3511.35
road and skidding road..1.2391.239
road and cable line......
road and flight path......
no access intended......
total..12.4412.44
SOroad and skidding track0.210022.1622.36
road and skidding road0.21007.7137.913
road and cable line0.21001.2371.435
road and flight path......
no access intended0.21001.0401.237
total0.75032.1332.83
SZroad and skidding track..6.6156.615
road and skidding road..3.6213.621
road and cable line0.55712.8913.49
road and flight path..3.7213.721
no access intended..2.4272.427
total0.55729.1429.64
TGroad and skidding track..17.9517.95
road and skidding road..2.9232.923
road and cable line......
road and flight path......
no access intended..0.5580.558
total..21.3421.34
TIroad and skidding track0.75012.41113.111
road and skidding road0.21004.9195.118
road and cable line0.94517.21018.19
road and flight path1.2387.3158.514
no access intended5.11872.1477.23
total8.114113.82121.92
URroad and skidding track0.6571.3371.931
road and skidding road..1.3371.337
road and cable line0.7493.6214.319
road and flight path1.5343.7215.217
no access intended0.4704.3194.718
total3.22314.2817.46
VDroad and skidding track0.210058.5458.74
road and skidding road..19.6919.69
road and cable line..9.8139.813
road and flight path0.21001.6331.831
no access intended0.4719.4139.813
total0.75099.0299.72
VSroad and skidding track1.53319.1920.78
road and skidding road0.3715.3185.617
road and cable line1.93033.5635.36
road and flight path1.43522.3823.78
no access intended1.43524.6825.97
total6.516104.82111.32
ZGroad and skidding track..1.9261.926
road and skidding road..2.3242.324
road and cable line..1.8271.827
road and flight path......
no access intended......
total..6.076.07
ZHroad and skidding track..38.2438.24
road and skidding road..7.3157.315
road and cable line..3.5223.522
road and flight path......
no access intended..0.6580.658
total..49.6249.62
Switzerlandroad and skidding track5.718452.81458.51
road and skidding road2.328183.63185.83
road and cable line11.712246.02257.72
road and flight path5.71873.7579.44
no access intended12.012181.23193.13
total37.371137.211174.51

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #158884/145263
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