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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
inside perimeter0-20%....2.52.5....3.03.01.71.2
21-40%11.310.6..2.52.58.65.8..3.03.04.41.9
41-60%....5.03.429.19.337.517.112.25.713.73.2
61-80%22.213.950.035.425.06.841.610.125.015.318.26.726.64.1
over 80%66.615.750.035.465.07.520.88.337.517.163.68.453.74.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%1.50.51.10.41.30.41.10.71.20.61.20.61.30.2
21-40%1.50.51.80.55.40.78.41.712.51.85.11.14.80.4
41-60%8.31.25.00.817.61.231.82.933.62.616.01.915.70.6
61-80%25.01.920.71.532.51.533.32.936.52.728.02.328.40.8
over 80%63.72.171.51.743.31.625.32.716.22.149.62.549.80.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.50.51.10.41.30.41.10.61.20.61.40.61.30.2
21-40%1.70.61.80.55.30.78.51.712.21.85.01.14.80.4
41-60%8.21.25.00.817.01.231.62.833.72.615.71.815.60.6
61-80%24.91.920.81.532.21.534.02.836.22.727.22.228.40.8
over 80%63.72.171.41.744.21.624.92.616.72.150.72.450.00.8
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 #164999/151381

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-20%....0.4100....0.41000.771
21-40%0.4100..0.41000.771..0.41001.845
41-60%....0.7712.4371.1581.4505.625
61-80%0.7710.41003.5313.4310.7712.14110.918
over 80%2.2410.41009.2191.7441.1587.52122.013
total3.2330.77114.2168.2202.83511.81741.09
outside perimeter0-20%2.9352.8354.3291.0581.4501.74514.116
21-40%2.9354.62817.8147.52114.1157.12254.18
41-60%15.91512.71658.0728.41038.0822.112175.24
61-80%47.6853.07107.5529.8941.3838.79317.93
over 80%121.44183.23143.1422.61118.31368.66557.12
total190.61256.41330.7189.43113.13138.231118.41
total0-20%2.9352.8354.6281.0581.4502.14114.915
21-40%3.3334.62818.2148.32014.1157.42255.88
41-60%15.91512.71658.8730.8939.1823.512180.84
61-80%48.3853.47111.0533.2942.0840.88328.83
over 80%123.53183.63152.3424.31119.31376.15579.12
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #165000/151382

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of cover (aerial photo, 5 classes) %± %± %±
AG0-20%..1.61.21.61.2
21-40%..4.11.84.11.8
41-60%..4.92.04.92.0
61-80%..13.93.113.93.1
over 80%..75.43.975.43.9
total..100.0.100.0.
AI0-20%......
21-40%......
41-60%..13.78.913.78.9
61-80%..24.711.024.711.0
over 80%..61.712.561.712.5
total..100.0.100.0.
AR0-20%......
21-40%......
41-60%..4.04.04.04.0
61-80%..32.09.532.09.5
over 80%..64.09.864.09.8
total..100.0.100.0.
BE0-20%..1.90.61.80.6
21-40%6.36.14.00.94.10.9
41-60%5.95.711.11.410.91.4
61-80%29.311.031.42.131.32.1
over 80%58.612.051.62.351.92.2
total100.0.100.0.100.0.
BL/BS0-20%..2.02.02.02.0
21-40%......
41-60%..4.02.83.92.8
61-80%100.0.6.03.47.93.8
over 80%..88.04.786.24.9
total100.0.100.0.100.0.
FR0-20%......
21-40%..4.31.94.31.9
41-60%..15.83.415.83.4
61-80%..29.04.329.04.3
over 80%..50.94.750.94.7
total..100.0.100.0.
GE0-20%......
21-40%......
41-60%..14.814.614.814.6
61-80%..14.814.614.814.6
over 80%..70.518.770.518.7
total..100.0.100.0.
GL0-20%..2.62.62.22.2
21-40%..10.65.08.94.3
41-60%14.313.313.05.513.25.0
61-80%..18.56.415.65.5
over 80%85.713.255.48.160.17.4
total100.0.100.0.100.0.
GR0-20%..1.30.51.20.5
21-40%..9.71.49.31.3
41-60%31.710.733.12.233.02.1
61-80%21.09.335.82.235.22.2
over 80%47.311.520.21.921.31.9
total100.0.100.0.100.0.
JU0-20%..1.21.21.21.2
21-40%......
41-60%..8.33.08.12.9
61-80%33.327.416.74.117.34.1
over 80%66.727.373.84.873.54.8
total100.0.100.0.100.0.
LU0-20%..2.41.32.41.3
21-40%..0.80.80.80.8
41-60%..14.93.214.93.2
61-80%..35.64.335.64.3
over 80%..46.44.446.44.4
total..100.0.100.0.
NE0-20%..1.41.41.41.4
21-40%......
41-60%..9.13.19.13.1
61-80%..36.15.236.15.2
over 80%..53.45.453.45.4
total..100.0.100.0.
NW0-20%......
21-40%......
41-60%..10.57.210.06.9
61-80%..26.310.325.09.9
over 80%100.0.63.211.365.010.9
total100.0.100.0.100.0.
OW0-20%..1.91.81.81.8
21-40%..2.02.02.02.0
41-60%..16.45.315.75.1
61-80%100.0.38.87.041.27.0
over 80%..40.97.139.36.9
total100.0.100.0.100.0.
SG0-20%..0.70.70.70.7
21-40%..4.81.84.61.7
41-60%..13.72.813.32.8
61-80%25.021.724.73.624.73.5
over 80%75.021.756.24.156.74.1
total100.0.100.0.100.0.
SH0-20%......
21-40%......
41-60%..2.82.82.82.8
61-80%..25.07.325.07.3
over 80%..72.27.672.27.6
total..100.0.100.0.
SO0-20%..1.21.21.21.2
21-40%..1.21.21.21.2
41-60%..2.41.72.41.7
61-80%..15.94.115.54.0
over 80%100.0.79.34.579.84.4
total100.0.100.0.100.0.
SZ0-20%......
21-40%..9.43.49.03.3
41-60%..20.04.619.24.5
61-80%..24.05.023.14.8
over 80%100.0.46.65.848.75.7
total100.0.100.0.100.0.
TG0-20%..2.82.02.82.0
21-40%..1.41.41.41.4
41-60%..2.82.02.82.0
61-80%..22.45.022.45.0
over 80%..70.55.470.55.4
total..100.0.100.0.
TI0-20%4.54.41.00.61.20.6
21-40%4.54.45.51.35.51.3
41-60%4.54.412.11.911.61.8
61-80%18.28.226.42.525.82.4
over 80%68.29.955.12.855.92.7
total100.0.100.0.100.0.
UR0-20%11.110.5..1.81.8
21-40%11.110.54.43.15.53.1
41-60%..24.86.520.75.6
61-80%33.315.831.06.931.46.4
over 80%44.416.739.87.340.66.7
total100.0.100.0.100.0.
VD0-20%..1.50.81.50.8
21-40%..4.21.24.21.2
41-60%..11.62.011.52.0
61-80%..28.62.828.32.8
over 80%100.0.54.13.154.53.1
total100.0.100.0.100.0.
VS0-20%..1.00.60.90.5
21-40%8.65.87.81.67.91.5
41-60%29.19.328.92.628.92.5
61-80%41.610.133.72.834.32.7
over 80%20.88.328.52.628.02.5
total100.0.100.0.100.0.
ZG0-20%..7.17.17.17.1
21-40%......
41-60%..14.39.714.39.7
61-80%..14.39.714.39.7
over 80%..64.313.364.313.3
total..100.0.100.0.
ZH0-20%......
21-40%..2.81.42.81.4
41-60%..3.41.53.41.5
61-80%..22.13.522.13.5
over 80%..71.73.871.73.8
total..100.0.100.0.
Switzerland0-20%1.71.21.30.21.30.2
21-40%4.31.94.80.44.80.4
41-60%13.63.215.60.615.50.6
61-80%26.54.128.20.828.10.8
over 80%53.94.650.20.850.30.8
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #165001/151383

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %
AG0-20%..0.8700.870
21-40%..2.0442.044
41-60%..2.4402.440
61-80%..6.8236.823
over 80%..37.0637.06
total..49.1249.12
AI0-20%......
21-40%......
41-60%..0.7710.771
61-80%..1.3451.345
over 80%..3.2223.222
total..5.2125.212
AR0-20%......
21-40%......
41-60%..0.31000.3100
61-80%..2.6302.630
over 80%..5.1165.116
total..8.058.05
BE0-20%..3.1333.133
21-40%0.41006.5236.922
41-60%0.310018.21318.513
61-80%1.74551.4753.17
over 80%3.43184.5587.95
total5.824163.72169.52
BL/BS0-20%..0.41000.4100
21-40%......
41-60%..0.8700.870
61-80%0.41001.2571.649
over 80%..17.9717.97
total0.410020.3520.75
FR0-20%......
21-40%..1.8441.844
41-60%..6.7226.722
61-80%..12.31512.315
over 80%..21.71021.710
total..42.6342.63
GE0-20%......
21-40%......
41-60%..0.51000.5100
61-80%..0.51000.5100
over 80%..2.2342.234
total..3.1203.120
GL0-20%..0.41000.4100
21-40%..1.5491.549
41-60%0.41001.9442.340
61-80%..2.7362.736
over 80%2.3398.11710.414
total2.73614.61017.37
GR0-20%..2.1412.141
21-40%..15.71415.714
41-60%2.14153.6755.77
61-80%1.45057.9759.36
over 80%3.13332.7935.99
total6.623162.02168.62
JU0-20%..0.41000.4100
21-40%......
41-60%..2.7372.737
61-80%0.41005.5255.824
over 80%0.87024.1724.97
total1.25732.7333.93
LU0-20%..0.9570.957
21-40%..0.31000.3100
41-60%..6.0216.021
61-80%..14.21314.213
over 80%..18.61018.610
total..40.0340.03
NE0-20%..0.41000.4100
21-40%......
41-60%..2.6342.634
61-80%..10.21610.216
over 80%..15.11015.110
total..28.2428.24
NW0-20%......
21-40%......
41-60%..0.8690.869
61-80%..1.9401.940
over 80%0.41004.6205.019
total0.41007.3107.78
OW0-20%..0.31000.3100
21-40%..0.41000.4100
41-60%..3.0333.033
61-80%0.7707.1197.817
over 80%..7.5187.518
total0.77018.3519.04
SG0-20%..0.41000.4100
21-40%..2.5372.537
41-60%..7.2217.221
61-80%0.410013.01513.415
over 80%1.15729.6830.78
total1.45052.8454.24
SH0-20%......
21-40%......
41-60%..0.41000.4100
61-80%..3.2293.229
over 80%..9.3119.311
total..12.8312.83
SO0-20%..0.41000.4100
21-40%..0.41000.4100
41-60%..0.8700.870
61-80%..4.9264.926
over 80%0.87024.6725.46
total0.87031.0431.83
SZ0-20%......
21-40%..2.5372.537
41-60%..5.4245.424
61-80%..6.5226.522
over 80%1.15712.71313.812
total1.15727.2528.35
TG0-20%..0.6700.670
21-40%..0.31000.3100
41-60%..0.6700.670
61-80%..4.8224.822
over 80%..15.0915.09
total..21.3321.33
TI0-20%0.41001.1581.450
21-40%0.41006.1246.423
41-60%0.410013.21613.616
61-80%1.45029.01030.410
over 80%5.42560.4665.85
total7.921109.83117.72
UR0-20%0.3100..0.3100
21-40%0.31000.7701.057
41-60%..3.7293.729
61-80%1.0574.7255.722
over 80%1.3496.0217.318
total3.03115.01118.09
VD0-20%..1.5501.550
21-40%..4.1304.130
41-60%..11.41711.417
61-80%..28.01028.010
over 80%0.87153.1653.96
total0.87198.1298.92
VS0-20%..1.0581.058
21-40%0.7717.9208.619
41-60%2.43829.21031.69
61-80%3.43134.0937.48
over 80%1.74428.81030.59
total8.220100.93109.13
ZG0-20%..0.41000.4100
21-40%......
41-60%..0.9680.968
61-80%..0.9680.968
over 80%..3.9213.921
total..6.066.06
ZH0-20%......
21-40%..1.4491.449
41-60%..1.8441.844
61-80%..11.31611.316
over 80%..36.7636.76
total..51.1251.12
Switzerland0-20%0.77114.21614.915
21-40%1.84554.2855.98
41-60%5.625174.64180.24
61-80%10.918315.83326.63
over 80%22.113562.32584.52
total41.091121.111162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #165002/151384

NFI4b

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 NFI3/NFI4 combined
grid:
state 2009/13
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%....1.744..0.4100..2.141
1-4%..0.41000.31001.0581.1582.8355.625
5-9%1.4501.4500.7713.4310.41002.5389.819
10-25%1.4502.2412.8351.4501.1583.93012.717
26-50%..0.7711.4501.7440.41001.8455.924
51-75%0.7711.1580.7710.771....3.233
76-100%..0.7710.3100....0.41001.450
total3.6326.5237.9208.2203.23311.41740.89
outside perimeter< 1%13.2165.8259.3196.22312.3169.61956.48
1-4%30.41126.31117.61322.71129.21029.010155.24
5-9%43.6930.31018.41320.61223.11133.39169.44
10-25%96.6571.0634.9931.2942.0834.79310.43
26-50%89.1635.0924.91114.71419.71319.413202.74
51-75%74.4618.8139.7194.1288.0205.924121.05
76-100%79.0610.1196.9221.4503.2332.538103.15
total426.41197.32121.73100.93137.52134.431118.11
total< 1%13.2165.82511.1176.22312.7169.61958.58
1-4%30.41126.71117.91323.71130.21031.910160.84
5-9%45.1831.71019.11324.01123.51135.89179.24
10-25%98.0573.2637.6832.6943.0838.68323.13
26-50%89.1635.7926.31116.51420.01321.212208.74
51-75%75.1619.81310.4184.8268.0205.924124.15
76-100%79.0610.8187.3211.4503.2332.835104.55
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #165003/151385

NFI4b

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 NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover of regeneration (7 classes) %± %± %±
Western Jura< 1%..2.40.82.40.7
1-4%..8.11.38.01.3
5-9%49.817.714.01.714.71.7
10-25%37.817.224.72.125.02.1
26-50%..19.31.918.91.9
51-75%12.411.716.41.816.31.8
76-100%..15.01.714.71.7
total100.0.100.0.100.0.
Eastern Jura< 1%..4.11.84.11.8
1-4%..8.32.58.22.5
5-9%..5.02.04.92.0
10-25%100.0.18.13.518.83.5
26-50%..24.83.924.63.9
51-75%..14.93.214.83.2
76-100%..24.83.924.63.9
total100.0.100.0.100.0.
Western Plateau< 1%..1.71.21.71.2
1-4%..10.22.810.22.8
5-9%..12.83.112.83.1
10-25%..29.64.229.64.2
26-50%..23.03.923.03.9
51-75%..10.12.810.12.8
76-100%..12.73.112.73.1
total..100.0.100.0.
Central Plateau< 1%..3.61.33.61.3
1-4%..7.71.87.71.8
5-9%..10.42.110.42.1
10-25%..22.42.822.32.8
26-50%..21.42.821.32.8
51-75%100.0.16.82.517.12.5
76-100%..17.72.617.62.6
total100.0.100.0.100.0.
Eastern Plateau< 1%..3.81.13.81.1
1-4%..3.81.13.81.1
5-9%..6.11.46.11.4
10-25%..19.22.219.22.2
26-50%..20.42.320.42.3
51-75%..23.02.423.02.4
76-100%..23.62.423.62.4
total..100.0.100.0.
Western Pre-Alps< 1%..5.82.25.82.1
1-4%..13.43.113.33.1
5-9%..11.72.911.62.9
10-25%..35.74.435.44.4
26-50%100.0.15.93.316.63.4
51-75%..14.23.214.03.2
76-100%..3.31.63.31.6
total100.0.100.0.100.0.
Central Pre-Alps< 1%..1.90.81.80.8
1-4%..11.21.911.01.9
5-9%25.021.716.02.216.22.2
10-25%..37.73.037.12.9
26-50%25.021.718.32.418.42.4
51-75%50.025.08.21.78.81.7
76-100%..6.71.56.61.5
total100.0.100.0.100.0.
Eastern Pre-Alps< 1%..9.42.09.22.0
1-4%..16.82.616.52.6
5-9%..12.82.312.62.3
10-25%33.327.328.13.228.23.1
26-50%33.327.320.22.820.42.8
51-75%..6.91.86.81.8
76-100%33.327.35.91.76.31.7
total100.0.100.0.100.0.
Northwestern Alps< 1%..2.51.22.31.2
1-4%7.77.417.03.016.32.8
5-9%23.111.717.03.017.42.9
10-25%46.213.933.43.734.33.6
26-50%..18.23.116.92.9
51-75%7.77.48.22.28.12.1
76-100%15.410.03.81.54.71.6
total100.0.100.0.100.0.
Central Alps< 1%27.313.5..3.82.2
1-4%..10.43.78.93.2
5-9%9.18.717.94.716.74.2
10-25%36.414.631.15.731.85.3
26-50%18.211.728.65.627.25.1
51-75%9.18.78.93.58.93.2
76-100%..3.12.22.71.9
total100.0.100.0.100.0.
Northeastern Alps< 1%22.213.910.03.411.23.4
1-4%11.110.512.53.712.43.5
5-9%11.110.518.84.418.04.1
10-25%33.315.828.75.129.24.8
26-50%11.110.513.73.913.53.6
51-75%11.110.58.73.29.03.0
76-100%..7.53.06.72.7
total100.0.100.0.100.0.
Southwestern Alps< 1%..6.11.45.71.3
1-4%12.56.722.52.421.72.3
5-9%41.810.120.42.422.02.3
10-25%16.67.630.92.729.92.6
26-50%20.88.314.62.115.12.0
51-75%8.35.64.11.24.41.2
76-100%..1.40.71.30.6
total100.0.100.0.100.0.
Southeastern Alps< 1%11.110.59.01.49.01.4
1-4%33.315.721.22.121.52.1
5-9%11.110.516.81.916.71.9
10-25%33.315.730.52.330.62.3
26-50%11.110.514.31.814.31.7
51-75%..5.81.25.71.2
76-100%..2.30.82.20.7
total100.0.100.0.100.0.
Southern Alps< 1%..7.11.36.61.2
1-4%25.17.721.62.121.92.0
5-9%21.87.324.82.224.62.1
10-25%34.38.425.82.226.52.2
26-50%15.66.414.41.814.51.7
51-75%..4.41.04.11.0
76-100%3.13.11.80.71.90.7
total100.0.100.0.100.0.
Switzerland< 1%5.12.05.10.45.10.4
1-4%13.83.213.90.613.90.6
5-9%24.14.015.10.615.50.6
10-25%31.24.327.80.827.90.8
26-50%14.63.318.10.718.00.7
51-75%7.72.510.70.510.60.5
76-100%3.51.79.20.59.00.5
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #165004/151386

NFI4b

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 NFI3/NFI4 combined
grid:
state 2009/13
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%..3.6313.631
1-4%..12.21712.217
5-9%1.45021.11222.512
10-25%1.15837.1938.29
26-50%..28.91028.910
51-75%0.410024.61125.011
76-100%..22.51222.512
total2.935150.02152.82
Eastern Jura< 1%..2.0442.044
1-4%..4.0304.030
5-9%..2.4402.440
10-25%0.41008.6209.019
26-50%..11.91611.916
51-75%..7.1227.122
76-100%..11.91611.916
total0.410047.8248.22
Western Plateau< 1%..0.8700.870
1-4%..4.9284.928
5-9%..6.2246.224
10-25%..14.31514.315
26-50%..11.11711.117
51-75%..4.9284.928
76-100%..6.1256.125
total..48.4348.43
Central Plateau< 1%..2.5352.535
1-4%..5.3235.323
5-9%..7.1207.120
10-25%..15.31315.313
26-50%..14.61314.613
51-75%0.310011.51511.815
76-100%..12.11512.115
total0.310068.4268.72
Eastern Plateau< 1%..4.3284.328
1-4%..4.3284.328
5-9%..6.8226.822
10-25%..21.41221.412
26-50%..22.91122.911
51-75%..25.71125.711
76-100%..26.51026.510
total..111.92111.92
Western Pre-Alps< 1%..2.6372.637
1-4%..5.9235.923
5-9%..5.2255.225
10-25%..15.91315.913
26-50%0.41007.0217.421
51-75%..6.3236.323
76-100%..1.5491.549
total0.410044.4444.84
Central Pre-Alps< 1%..1.8441.844
1-4%..10.81710.817
5-9%0.410015.41415.814
10-25%..36.2836.28
26-50%0.410017.61317.913
51-75%0.7717.9218.620
76-100%..6.5236.523
total1.45096.1297.52
Eastern Pre-Alps< 1%..6.8226.822
1-4%..12.11612.116
5-9%..9.3199.319
10-25%0.410020.41220.711
26-50%0.410014.61415.014
51-75%..5.0265.026
76-100%0.41004.3284.627
total1.15772.5373.63
Northwestern Alps< 1%..1.4501.450
1-4%0.41009.61810.018
5-9%1.1579.61810.717
10-25%2.14019.01221.111
26-50%..10.41710.417
51-75%0.41004.7275.026
76-100%0.7712.2402.935
total4.62756.8461.54
Central Alps< 1%1.057..1.057
1-4%..2.4372.437
5-9%0.31004.2284.526
10-25%1.4497.2208.618
26-50%0.7706.6227.320
51-75%0.31002.1402.437
76-100%..0.7710.771
total3.82923.2827.07
Northeastern Alps< 1%0.7702.9343.630
1-4%0.41003.6303.929
5-9%0.41005.4255.724
10-25%1.1578.2199.317
26-50%0.41003.9294.327
51-75%0.41002.5372.934
76-100%..2.1402.140
total3.23228.7731.96
Southwestern Alps< 1%..6.2236.223
1-4%1.05822.71123.711
5-9%3.43120.61224.011
10-25%1.45031.2932.69
26-50%1.74414.71416.514
51-75%0.7714.1284.826
76-100%..1.4501.450
total8.220100.93109.13
Southeastern Alps< 1%0.410012.31612.716
1-4%1.15829.21030.210
5-9%0.410023.11123.511
10-25%1.15842.0843.08
26-50%0.410019.71320.013
51-75%..8.0208.020
76-100%..3.2333.233
total3.233137.52140.62
Southern Alps< 1%..9.6199.619
1-4%2.83529.01031.910
5-9%2.53833.3935.89
10-25%3.93034.7938.68
26-50%1.84519.41321.212
51-75%..5.9245.924
76-100%0.41002.5382.835
total11.417134.43145.72
Switzerland< 1%2.14156.7858.88
1-4%5.625155.94161.64
5-9%9.819169.74179.54
10-25%12.717311.53324.33
26-50%6.024203.44209.44
51-75%3.133120.35123.45
76-100%1.450103.25104.75
total40.991120.811161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #165005/151387

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of assured regeneration %± %± %± %± %± %± %±
inside perimeterless than 1%....12.55.24.44.312.511.7..6.12.2
1-4%11.110.5..12.55.220.88.325.015.330.48.019.83.7
5-9%44.416.6..17.56.029.19.312.511.727.27.824.14.0
10-25%33.415.7..27.57.124.98.850.017.727.27.828.54.2
26-50%..50.035.412.55.216.67.6..12.15.712.03.0
51-75%11.110.550.035.410.04.74.24.1....6.02.2
76-100%....7.54.2....3.03.03.51.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 1%4.40.96.10.98.00.97.71.614.11.911.31.67.90.5
1-4%10.61.39.71.117.01.223.82.623.12.421.62.115.90.6
5-9%14.71.510.81.215.91.220.72.515.92.023.52.215.80.6
10-25%25.91.925.91.633.31.529.92.830.52.626.02.228.90.8
26-50%19.11.721.11.516.11.214.92.211.51.811.81.616.70.7
51-75%14.01.515.21.36.50.81.90.84.31.14.01.08.90.5
76-100%11.31.411.31.23.20.61.10.70.60.41.80.75.90.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 1%4.30.96.10.98.10.97.41.614.01.910.41.57.90.5
1-4%10.61.39.61.116.81.223.52.523.22.322.32.016.10.6
5-9%15.21.610.71.115.91.221.42.415.82.023.82.116.10.6
10-25%26.01.925.91.633.11.529.52.731.02.626.12.128.90.8
26-50%18.81.721.21.516.01.215.12.111.21.711.81.616.50.6
51-75%13.91.515.31.36.60.82.10.94.21.13.70.98.80.5
76-100%11.11.411.31.23.40.61.10.60.60.41.90.75.80.4
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 #165006/151388

NFI4b

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 NFI3/NFI4 combined
grid:
state 2009/13
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%....1.8450.41000.4100..2.538
1-4%0.4100..1.8451.7440.7713.6318.121
5-9%1.450..2.5382.4370.41003.2339.919
10-25%1.158..3.9302.1411.4503.23311.717
26-50%..0.41001.8451.450..1.4504.927
51-75%0.41000.41001.4500.3100....2.538
76-100%....1.158....0.41001.450
total3.2330.77114.2168.2202.83511.81741.09
outside perimeterless than 1%8.32115.61526.3116.82215.91415.71488.66
1-4%20.21324.71156.2721.21226.11129.910178.44
5-9%28.11127.61152.5818.51318.01332.410177.14
10-25%49.4766.56110.2526.71034.5935.99323.13
26-50%36.4954.1753.4813.31513.01616.314186.54
51-75%26.71138.9921.5131.7444.9265.62599.26
76-100%21.61229.01010.7181.0580.7712.53865.57
total190.61256.41330.7189.43113.13138.231118.41
totalless than 1%8.32115.61528.1117.22116.31415.71491.16
1-4%20.51324.71157.9723.01126.81033.59186.54
5-9%29.51027.61155.0720.91218.31335.69187.04
10-25%50.4766.56114.1528.81035.9939.19334.73
26-50%36.4954.5755.1714.71413.01617.713191.44
51-75%27.01139.2922.9122.1414.9265.625101.76
76-100%21.61229.01011.8171.0580.7712.83567.07
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #165007/151389

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of cover of assured regeneration %± %± %±
AGless than 1%..6.62.26.62.2
1-4%..7.42.47.42.4
5-9%..8.22.58.22.5
10-25%..23.03.823.03.8
26-50%..23.83.923.83.9
51-75%..9.82.79.82.7
76-100%..21.33.721.33.7
total..100.0.100.0.
AIless than 1%..30.811.830.811.8
1-4%..44.512.844.512.8
5-9%..6.26.16.26.1
10-25%..12.38.412.38.4
26-50%..6.26.16.26.1
51-75%......
76-100%......
total..100.0.100.0.
ARless than 1%..20.08.120.08.1
1-4%..16.07.516.07.5
5-9%..24.08.724.08.7
10-25%..16.07.516.07.5
26-50%..20.08.120.08.1
51-75%......
76-100%..4.04.04.04.0
total..100.0.100.0.
BEless than 1%..4.81.04.60.9
1-4%17.69.213.81.613.91.6
5-9%17.69.217.61.717.61.7
10-25%35.611.630.62.130.72.1
26-50%..17.01.716.41.7
51-75%17.69.29.61.39.91.3
76-100%11.77.86.71.16.91.1
total100.0.100.0.100.0.
BL/BSless than 1%..4.02.83.92.8
1-4%..8.03.97.93.8
5-9%..6.03.45.93.3
10-25%100.0.31.76.633.16.6
26-50%..18.15.517.75.4
51-75%..20.15.719.75.6
76-100%..12.04.611.84.6
total100.0.100.0.100.0.
FRless than 1%..5.32.15.32.1
1-4%..14.13.314.13.3
5-9%..13.13.213.13.2
10-25%..36.84.536.84.5
26-50%..19.33.719.33.7
51-75%..10.52.910.52.9
76-100%..0.90.90.90.9
total..100.0.100.0.
GEless than 1%..29.518.729.518.7
1-4%......
5-9%..14.814.614.814.6
10-25%..29.518.729.518.7
26-50%..14.814.614.814.6
51-75%......
76-100%..11.410.311.410.3
total..100.0.100.0.
GLless than 1%14.313.315.86.015.65.5
1-4%14.313.315.86.015.65.5
5-9%28.617.213.05.515.45.4
10-25%14.313.323.77.022.36.3
26-50%14.313.315.86.015.65.5
51-75%14.313.310.65.011.14.7
76-100%..5.33.74.53.1
total100.0.100.0.100.0.
GRless than 1%5.35.115.11.714.71.6
1-4%42.211.324.12.024.82.0
5-9%15.88.417.01.717.01.7
10-25%36.811.128.72.129.12.1
26-50%..10.11.49.71.3
51-75%..3.60.93.50.8
76-100%..1.30.51.20.5
total100.0.100.0.100.0.
JUless than 1%..2.41.72.31.6
1-4%33.327.47.22.88.12.9
5-9%33.327.410.73.411.53.4
10-25%..32.25.131.15.0
26-50%..17.84.217.14.1
51-75%33.327.420.34.420.74.4
76-100%..9.53.29.23.1
total100.0.100.0.100.0.
LUless than 1%..5.52.05.52.0
1-4%..12.73.012.73.0
5-9%..12.52.912.52.9
10-25%..35.64.335.64.3
26-50%..22.73.722.73.7
51-75%..7.82.47.82.4
76-100%..3.11.53.11.5
total..100.0.100.0.
NEless than 1%..1.11.11.11.1
1-4%..8.23.08.23.0
5-9%..13.03.713.03.7
10-25%..31.85.031.85.0
26-50%..25.04.625.04.6
51-75%..12.83.612.83.6
76-100%..8.02.98.02.9
total..100.0.100.0.
NWless than 1%..10.57.210.06.9
1-4%..26.310.325.09.9
5-9%..15.88.515.08.2
10-25%..21.19.520.09.1
26-50%100.0.10.57.215.08.2
51-75%..10.57.210.06.9
76-100%..5.35.25.05.0
total100.0.100.0.100.0.
OWless than 1%..2.02.02.02.0
1-4%..14.35.013.74.9
5-9%50.035.720.45.821.65.8
10-25%..42.87.141.16.9
26-50%..10.24.49.84.2
51-75%50.035.78.24.09.84.2
76-100%..2.02.02.02.0
total100.0.100.0.100.0.
SGless than 1%25.021.711.62.712.02.7
1-4%..11.62.711.32.6
5-9%..13.72.813.32.8
10-25%50.025.134.33.934.73.9
26-50%25.021.717.13.117.33.1
51-75%..7.52.27.32.1
76-100%..4.11.64.01.6
total100.0.100.0.100.0.
SHless than 1%..16.76.316.76.3
1-4%..13.95.813.95.8
5-9%..8.34.78.34.7
10-25%..19.46.719.46.7
26-50%..19.46.719.46.7
51-75%..19.46.719.46.7
76-100%..2.82.82.82.8
total..100.0.100.0.
SOless than 1%..2.41.72.41.7
1-4%..6.12.76.02.6
5-9%100.0.15.94.117.94.2
10-25%..22.04.621.44.5
26-50%..15.94.115.54.0
51-75%..18.34.317.94.2
76-100%..19.54.419.04.3
total100.0.100.0.100.0.
SZless than 1%..8.03.17.73.0
1-4%33.327.421.34.721.84.7
5-9%..17.34.416.74.2
10-25%..29.35.328.25.1
26-50%33.327.421.44.821.84.7
51-75%..2.71.92.61.8
76-100%33.327.4..1.31.3
total100.0.100.0.100.0.
TGless than 1%..8.43.38.43.3
1-4%..4.22.44.22.4
5-9%..4.22.44.22.4
10-25%..28.15.328.15.3
26-50%..22.85.022.85.0
51-75%..18.24.618.24.6
76-100%..14.04.114.04.1
total..100.0.100.0.
TIless than 1%..9.51.78.81.6
1-4%18.28.219.92.319.82.2
5-9%31.89.923.52.424.12.4
10-25%27.39.527.42.627.42.5
26-50%18.28.213.01.913.31.9
51-75%..4.81.24.51.1
76-100%4.54.42.00.82.10.8
total100.0.100.0.100.0.
URless than 1%33.315.82.22.27.33.6
1-4%..8.84.27.33.6
5-9%22.213.917.65.718.35.3
10-25%22.213.926.36.625.76.0
26-50%22.213.936.07.233.86.5
51-75%..9.14.47.63.7
76-100%......
total100.0.100.0.100.0.
VDless than 1%..5.71.45.71.4
1-4%..15.82.315.72.3
5-9%..15.52.315.42.2
10-25%100.0.25.82.726.42.7
26-50%..19.02.418.82.4
51-75%..9.31.89.21.8
76-100%..8.91.88.81.8
total100.0.100.0.100.0.
VSless than 1%4.44.37.11.56.91.4
1-4%20.88.324.22.523.92.4
5-9%29.19.321.12.421.72.3
10-25%24.98.830.62.730.22.6
26-50%16.67.613.62.013.81.9
51-75%4.24.12.40.92.50.9
76-100%..1.00.60.90.5
total100.0.100.0.100.0.
ZGless than 1%..14.39.714.39.7
1-4%..7.17.17.17.1
5-9%..7.17.17.17.1
10-25%..21.411.321.411.3
26-50%..21.411.321.411.3
51-75%..21.411.321.411.3
76-100%..7.17.17.17.1
total..100.0.100.0.
ZHless than 1%..3.41.53.41.5
1-4%..10.32.510.32.5
5-9%..8.32.38.32.3
10-25%..21.43.421.43.4
26-50%..18.63.218.63.2
51-75%..22.83.522.83.5
76-100%..15.23.015.23.0
total..100.0.100.0.
Switzerlandless than 1%6.02.27.90.57.80.5
1-4%19.83.715.90.616.00.6
5-9%24.24.015.80.616.10.6
10-25%28.44.228.80.828.80.8
26-50%12.13.016.70.716.50.6
51-75%6.12.28.90.58.80.5
76-100%3.41.76.00.45.90.4
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #165008/151390

NFI4b

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 NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %
AGless than 1%..3.2343.234
1-4%..3.6323.632
5-9%..4.0304.030
10-25%..11.31711.317
26-50%..11.71611.716
51-75%..4.8284.828
76-100%..10.51810.518
total..49.1249.12
AIless than 1%..1.6391.639
1-4%..2.3332.333
5-9%..0.31000.3100
10-25%..0.6690.669
26-50%..0.31000.3100
51-75%......
76-100%......
total..5.2125.212
ARless than 1%..1.6411.641
1-4%..1.3471.347
5-9%..1.9361.936
10-25%..1.3471.347
26-50%..1.6411.641
51-75%......
76-100%..0.31000.3100
total..8.058.05
BEless than 1%..7.9207.920
1-4%1.05822.61223.611
5-9%1.05828.81029.810
10-25%2.14150.0752.17
26-50%..27.81027.810
51-75%1.05815.71416.814
76-100%0.77111.01711.617
total5.824163.72169.52
BL/BSless than 1%..0.8700.870
1-4%..1.6491.649
5-9%..1.2571.257
10-25%0.41006.4226.921
26-50%..3.7313.731
51-75%..4.1294.129
76-100%..2.4392.439
total0.410020.3520.75
FRless than 1%..2.2402.240
1-4%..6.0236.023
5-9%..5.6245.624
10-25%..15.71315.713
26-50%..8.2198.219
51-75%..4.5284.528
76-100%..0.41000.4100
total..42.6342.63
GEless than 1%..0.9650.965
1-4%......
5-9%..0.51000.5100
10-25%..0.9650.965
26-50%..0.51000.5100
51-75%......
76-100%..0.41000.4100
total..3.1203.120
GLless than 1%0.41002.3392.736
1-4%0.41002.3392.736
5-9%0.8701.9442.736
10-25%0.41003.5313.929
26-50%0.41002.3392.736
51-75%0.41001.5491.943
76-100%..0.8700.870
total2.73614.61017.37
GRless than 1%0.310024.41124.811
1-4%2.83539.1841.98
5-9%1.05827.51028.610
10-25%2.43846.6849.07
26-50%..16.41416.414
51-75%..5.9245.924
76-100%..2.1412.141
total6.623162.02168.62
JUless than 1%..0.8700.870
1-4%0.41002.3402.736
5-9%0.41003.5323.930
10-25%..10.51610.516
26-50%..5.8245.824
51-75%0.41006.6227.021
76-100%..3.1343.134
total1.25732.7333.93
LUless than 1%..2.2372.237
1-4%..5.1245.124
5-9%..5.0245.024
10-25%..14.21314.213
26-50%..9.1179.117
51-75%..3.1313.131
76-100%..1.3491.349
total..40.0340.03
NEless than 1%..0.31000.3100
1-4%..2.3372.337
5-9%..3.7293.729
10-25%..9.0169.016
26-50%..7.0197.019
51-75%..3.6293.629
76-100%..2.2372.237
total..28.2428.24
NWless than 1%..0.8690.869
1-4%..1.9401.940
5-9%..1.2551.255
10-25%..1.5461.546
26-50%0.41000.8691.255
51-75%..0.8690.869
76-100%..0.41000.4100
total0.41007.3107.78
OWless than 1%..0.41000.4100
1-4%..2.6362.636
5-9%0.41003.7294.127
10-25%..7.8187.818
26-50%..1.9431.943
51-75%0.41001.5491.943
76-100%..0.41000.4100
total0.77018.3519.04
SGless than 1%0.41006.1236.523
1-4%..6.1236.123
5-9%..7.2217.221
10-25%0.77018.11218.812
26-50%0.41009.0199.418
51-75%..4.0294.029
76-100%..2.2402.240
total1.45052.8454.24
SHless than 1%..2.1382.138
1-4%..1.8421.842
5-9%..1.1561.156
10-25%..2.5342.534
26-50%..2.5342.534
51-75%..2.5342.534
76-100%..0.41000.4100
total..12.8312.83
SOless than 1%..0.8700.870
1-4%..1.9441.944
5-9%0.8704.9265.724
10-25%..6.8216.821
26-50%..4.9264.926
51-75%..5.7245.724
76-100%..6.1236.123
total0.87031.0431.83
SZless than 1%..2.2402.240
1-4%0.41005.8236.222
5-9%..4.7264.726
10-25%..8.0198.019
26-50%0.41005.8236.222
51-75%..0.7700.770
76-100%0.4100..0.4100
total1.15727.2528.35
TGless than 1%..1.8391.839
1-4%..0.9570.957
5-9%..0.9570.957
10-25%..6.0196.019
26-50%..4.9234.923
51-75%..3.9253.925
76-100%..3.0303.030
total..21.3321.33
TIless than 1%..10.41810.418
1-4%1.45021.81223.311
5-9%2.53725.81128.310
10-25%2.14130.11032.39
26-50%1.45014.21515.714
51-75%..5.3255.325
76-100%0.41002.1412.537
total7.921109.83117.72
URless than 1%1.0570.31001.349
1-4%..1.3491.349
5-9%0.7702.6343.330
10-25%0.7704.0274.624
26-50%0.7705.4236.122
51-75%..1.4501.450
76-100%......
total3.03115.01118.09
VDless than 1%..5.6255.625
1-4%..15.51515.515
5-9%..15.21515.215
10-25%0.87125.31126.111
26-50%..18.61318.613
51-75%..9.1209.120
76-100%..8.7208.720
total0.87198.1298.92
VSless than 1%0.41007.2217.621
1-4%1.74424.41126.110
5-9%2.43721.31223.711
10-25%2.14130.9932.99
26-50%1.45013.71515.114
51-75%0.31002.4372.735
76-100%..1.0581.058
total8.220100.93109.13
ZGless than 1%..0.9680.968
1-4%..0.41000.4100
5-9%..0.41000.4100
10-25%..1.3531.353
26-50%..1.3531.353
51-75%..1.3531.353
76-100%..0.41000.4100
total..6.066.06
ZHless than 1%..1.8441.844
1-4%..5.3255.325
5-9%..4.2284.228
10-25%..10.91610.916
26-50%..9.5189.518
51-75%..11.61511.615
76-100%..7.8207.820
total..51.1251.12
Switzerlandless than 1%2.43888.6691.16
1-4%8.121178.34186.44
5-9%9.919177.24187.24
10-25%11.717323.23334.93
26-50%5.027186.94191.84
51-75%2.538100.06102.56
76-100%1.45066.8768.27
total41.091121.111162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #165009/151391

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of assured regeneration %± %± %± %± %± %±
inside perimeterless than 1%......10.73.8..6.02.2
1-4%11.110.5....19.74.928.28.019.83.7
5-9%44.516.6..12.511.721.25.028.17.924.24.0
10-25%33.315.7..25.015.328.85.628.17.928.44.2
26-50%....25.015.312.14.012.55.812.03.0
51-75%11.110.5100.0.25.015.34.52.6..6.12.2
76-100%....12.511.73.02.13.13.13.51.7
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 1%4.40.96.00.97.81.19.90.911.31.67.90.5
1-4%10.01.39.81.215.71.521.21.321.92.115.90.6
5-9%15.21.510.11.214.41.417.91.223.52.215.80.6
10-25%26.21.925.01.734.32.030.81.525.82.228.90.8
26-50%19.21.721.21.616.81.514.31.111.51.616.70.7
51-75%14.01.515.71.47.31.14.30.64.11.08.90.5
76-100%10.91.312.11.33.70.81.70.41.80.75.90.4
total100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 1%4.40.96.00.97.71.19.90.910.51.57.80.5
1-4%10.01.39.81.215.51.521.11.322.42.116.00.6
5-9%15.61.610.11.214.41.418.11.223.82.116.10.6
10-25%26.41.925.01.734.21.930.71.426.02.228.90.8
26-50%18.91.721.21.616.91.514.11.111.61.616.50.6
51-75%14.01.515.81.47.51.14.30.63.80.98.80.5
76-100%10.71.312.11.33.80.81.80.41.90.75.80.4
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 #165010/151392

NFI4b

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 NFI3/NFI4 combined
grid:
state 2009/13
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%......2.438..2.438
1-4%0.4100....4.5283.2338.121
5-9%1.550..0.41004.8273.2339.819
10-25%1.158..0.7716.6233.23311.617
26-50%....0.7712.8351.4504.927
51-75%0.41000.41000.7711.058..2.538
76-100%....0.41000.7710.41001.450
total3.3330.41002.93522.81211.41740.79
outside perimeterless than 1%8.82013.71616.61433.91015.21588.26
1-4%19.71322.51233.51072.7629.410177.84
5-9%29.91023.21230.61061.6731.610176.94
10-25%51.8757.3773.26106.1534.79323.03
26-50%38.0948.5835.7949.0815.514186.74
51-75%27.71135.8915.51514.6155.62599.36
76-100%21.51227.8117.9215.9242.53865.77
total197.51228.81213.02343.92134.431117.61
totalless than 1%8.82013.71616.61436.3915.21590.66
1-4%20.11322.51233.51077.2632.69185.94
5-9%31.41023.21231.01066.5734.79186.84
10-25%52.9757.3773.96112.6537.99334.63
26-50%38.0948.5836.4951.8816.914191.64
51-75%28.11136.2916.21415.7155.625101.76
76-100%21.51227.8118.3206.6232.83567.17
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #165011/151393

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of assured regeneration %± %± %± %± %± %± %±
inside perimeterless than 1%....21.78.64.44.311.110.5..6.02.2
1-4%10.09.516.78.88.75.920.88.333.315.728.28.019.93.7
5-9%39.915.516.78.817.47.929.19.311.110.528.17.924.14.0
10-25%30.114.533.311.121.78.624.98.844.416.628.17.928.54.2
26-50%..5.65.421.78.616.67.6..12.55.812.03.0
51-75%20.012.616.78.84.34.34.24.1....6.12.2
76-100%..11.17.44.34.3....3.13.13.51.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterless than 1%5.30.64.40.912.21.77.11.514.31.811.31.67.90.5
1-4%9.90.915.21.516.82.024.22.523.02.121.92.115.90.6
5-9%12.41.016.51.613.91.921.12.415.81.823.52.215.80.6
10-25%25.61.336.92.127.62.430.62.730.52.325.82.228.90.8
26-50%20.31.215.91.620.22.213.62.011.01.611.51.616.70.7
51-75%14.91.07.71.15.91.32.40.94.11.04.11.08.90.5
76-100%11.60.93.50.83.41.01.00.61.30.61.80.75.90.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalless than 1%5.20.64.20.812.81.76.91.414.21.710.51.57.80.5
1-4%9.90.915.21.516.31.923.92.423.22.122.42.116.00.6
5-9%12.61.016.51.614.21.821.72.315.71.823.82.116.10.6
10-25%25.61.336.82.027.32.330.22.630.92.326.02.228.90.8
26-50%20.11.215.61.520.32.113.81.910.71.511.61.616.50.6
51-75%15.01.08.01.15.81.22.50.94.01.03.80.98.80.5
76-100%11.50.93.70.83.50.90.90.51.20.61.90.75.80.4
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 #165012/151394

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern 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%....1.7440.41000.4100..2.438
1-4%0.41001.1580.7711.7441.1583.2338.121
5-9%1.4501.1581.4502.4370.41003.2339.819
10-25%1.1582.2411.7442.1411.4503.23311.617
26-50%..0.41001.7441.450..1.4504.927
51-75%0.7711.1580.31000.3100....2.538
76-100%..0.7710.3100....0.41001.450
total3.6326.5237.9208.2203.23311.41740.89
outside perimeterless than 1%22.5128.72014.8147.22119.71315.21588.26
1-4%42.2929.91020.41224.41131.61029.410177.94
5-9%52.9832.51017.01421.31221.81231.610177.04
10-25%109.1572.9633.6930.9942.0834.79323.13
26-50%86.6631.41024.51113.71515.11515.514186.84
51-75%63.7715.1157.2222.4375.6255.62599.66
76-100%49.486.9234.1281.0581.8452.53865.67
total426.41197.32121.73100.93137.52134.431118.11
totalless than 1%22.5128.72016.6147.62120.01215.21590.66
1-4%42.6931.01021.11226.11032.6932.69186.04
5-9%54.4833.51018.41323.71122.11234.79186.84
10-25%110.2575.0635.3932.9943.4837.99334.73
26-50%86.6631.71026.31115.11415.11516.914191.74
51-75%64.4716.2147.5222.7355.6255.625102.06
76-100%49.487.6224.5271.0581.8452.83567.07
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #165013/151395

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover of assured regeneration %± %± %±
Western Juraless than 1%..3.40.93.30.9
1-4%12.411.710.51.510.51.5
5-9%49.817.717.41.918.01.9
10-25%25.415.526.42.226.42.1
26-50%..18.61.918.21.9
51-75%12.411.714.01.714.01.7
76-100%..9.71.49.61.4
total100.0.100.0.100.0.
Eastern Juraless than 1%..8.32.58.22.5
1-4%..8.32.58.22.5
5-9%..7.42.47.42.4
10-25%100.0.25.54.026.14.0
26-50%..21.53.721.33.7
51-75%..14.13.214.03.1
76-100%..14.93.214.83.2
total100.0.100.0.100.0.
Western Plateauless than 1%..3.41.73.41.7
1-4%..14.53.314.53.3
5-9%..16.23.416.23.4
10-25%..33.04.333.04.3
26-50%..18.63.618.63.6
51-75%..6.82.36.82.3
76-100%..7.52.47.52.4
total..100.0.100.0.
Central Plateauless than 1%..8.61.98.61.9
1-4%..10.42.110.42.1
5-9%..8.71.98.71.9
10-25%..21.92.821.82.8
26-50%..23.22.923.12.8
51-75%100.0.16.32.516.72.5
76-100%..10.92.110.82.1
total100.0.100.0.100.0.
Eastern Plateauless than 1%..5.11.25.11.2
1-4%..7.71.57.71.5
5-9%..8.91.68.91.6
10-25%..24.32.424.32.4
26-50%..20.82.320.82.3
51-75%..18.52.218.52.2
76-100%..14.72.014.72.0
total..100.0.100.0.
Western Pre-Alpsless than 1%..6.72.36.62.3
1-4%..16.73.416.63.4
5-9%..10.02.79.92.7
10-25%100.0.38.34.538.84.4
26-50%..16.73.416.63.4
51-75%..10.02.79.92.7
76-100%..1.71.21.71.2
total100.0.100.0.100.0.
Central Pre-Alpsless than 1%..2.20.92.20.9
1-4%..13.82.113.62.1
5-9%25.021.717.92.318.02.3
10-25%..38.43.037.92.9
26-50%25.021.715.32.215.42.2
51-75%50.025.07.81.68.51.7
76-100%..4.51.34.41.2
total100.0.100.0.100.0.
Eastern Pre-Alpsless than 1%..15.82.615.52.5
1-4%..17.72.717.52.7
5-9%..12.32.312.12.3
10-25%33.327.326.63.126.73.1
26-50%33.327.318.72.718.92.7
51-75%..4.91.54.91.5
76-100%33.327.33.91.44.41.4
total100.0.100.0.100.0.
Northwestern Alpsless than 1%..6.31.95.81.8
1-4%23.111.716.32.916.92.9
5-9%15.410.018.83.118.63.0
10-25%38.513.533.43.733.73.6
26-50%..16.32.915.12.7
51-75%7.77.45.71.85.81.8
76-100%15.410.03.21.44.11.5
total100.0.100.0.100.0.
Central Alpsless than 1%27.313.51.51.55.12.5
1-4%9.18.716.34.515.34.1
5-9%18.211.716.44.516.74.2
10-25%18.211.728.15.526.85.0
26-50%27.313.530.15.629.75.2
51-75%..7.53.36.52.8
76-100%......
total100.0.100.0.100.0.
Northeastern Alpsless than 1%22.213.912.53.713.53.6
1-4%11.110.515.04.014.63.8
5-9%22.213.916.34.116.94.0
10-25%22.213.930.05.129.24.8
26-50%11.110.515.04.014.63.8
51-75%11.110.56.22.76.72.7
76-100%..5.02.44.52.2
total100.0.100.0.100.0.
Southwestern Alpsless than 1%4.44.37.11.56.91.4
1-4%20.88.324.22.523.92.4
5-9%29.19.321.12.421.72.3
10-25%24.98.830.62.730.22.6
26-50%16.67.613.62.013.81.9
51-75%4.24.12.40.92.50.9
76-100%..1.00.60.90.5
total100.0.100.0.100.0.
Southeastern Alpsless than 1%11.110.514.31.814.21.7
1-4%33.315.723.02.123.22.1
5-9%11.110.515.81.815.71.8
10-25%44.416.630.52.330.92.3
26-50%..11.01.610.71.5
51-75%..4.11.04.01.0
76-100%..1.30.61.20.6
total100.0.100.0.100.0.
Southern Alpsless than 1%..11.31.610.51.5
1-4%28.28.021.92.122.42.1
5-9%28.17.923.52.223.82.1
10-25%28.17.925.82.226.02.2
26-50%12.55.811.51.611.61.6
51-75%..4.11.03.80.9
76-100%3.13.11.80.71.90.7
total100.0.100.0.100.0.
Switzerlandless than 1%6.02.27.90.57.80.5
1-4%19.83.715.90.616.10.6
5-9%24.14.015.90.616.10.6
10-25%28.64.229.00.829.00.8
26-50%12.03.016.70.716.50.6
51-75%6.02.28.80.58.70.5
76-100%3.51.75.90.45.80.4
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #165014/151396

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of assured regeneration · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 1%..5.0265.026
1-4%0.410015.71416.114
5-9%1.45026.11127.510
10-25%0.77139.6840.38
26-50%..27.81027.810
51-75%0.410021.11221.412
76-100%..14.61514.615
total2.935150.02152.82
Eastern Juraless than 1%..4.0304.030
1-4%..4.0304.030
5-9%..3.6323.632
10-25%0.410012.21612.615
26-50%..10.31810.318
51-75%..6.7236.723
76-100%..7.1227.122
total0.410047.8248.22
Western Plateauless than 1%..1.6491.649
1-4%..7.0237.023
5-9%..7.8217.821
10-25%..16.01416.014
26-50%..9.0209.020
51-75%..3.3343.334
76-100%..3.6333.633
total..48.4348.43
Central Plateauless than 1%..5.9225.922
1-4%..7.1207.120
5-9%..6.0226.022
10-25%..14.91314.913
26-50%..15.91315.913
51-75%0.310011.21511.515
76-100%..7.4197.419
total0.310068.4268.72
Eastern Plateauless than 1%..5.7245.724
1-4%..8.6208.620
5-9%..10.01810.018
10-25%..27.21027.210
26-50%..23.21123.211
51-75%..20.71220.712
76-100%..16.41416.414
total..111.92111.92
Western Pre-Alpsless than 1%..3.0343.034
1-4%..7.4217.421
5-9%..4.4284.428
10-25%0.410017.01217.412
26-50%..7.4217.421
51-75%..4.4284.428
76-100%..0.7700.770
total0.410044.4444.84
Central Pre-Alpsless than 1%..2.2402.240
1-4%..13.31513.315
5-9%0.410017.21317.613
10-25%..36.9836.98
26-50%0.410014.71515.114
51-75%0.7717.5218.220
76-100%..4.3284.328
total1.45096.1297.52
Eastern Pre-Alpsless than 1%..11.41611.416
1-4%..12.91512.915
5-9%..8.9198.919
10-25%0.410019.31219.612
26-50%0.410013.61513.915
51-75%..3.6313.631
76-100%0.41002.9353.233
total1.15772.5373.63
Northwestern Alpsless than 1%..3.6313.631
1-4%1.1579.31810.417
5-9%0.77110.71711.416
10-25%1.84419.01220.711
26-50%..9.3189.318
51-75%0.41003.2333.631
76-100%0.7711.8442.537
total4.62756.8461.54
Central Alpsless than 1%1.0570.31001.449
1-4%0.31003.8294.127
5-9%0.7703.8294.526
10-25%0.7706.5217.220
26-50%1.0577.0218.019
51-75%..1.7441.744
76-100%......
total3.82923.2827.07
Northeastern Alpsless than 1%0.7703.6304.327
1-4%0.41004.3284.726
5-9%0.7704.7275.425
10-25%0.7708.6189.317
26-50%0.41004.3274.726
51-75%0.41001.8442.140
76-100%..1.4491.449
total3.23228.7731.96
Southwestern Alpsless than 1%0.41007.2217.621
1-4%1.74424.41126.110
5-9%2.43721.31223.711
10-25%2.14130.9932.99
26-50%1.45013.71515.114
51-75%0.31002.4372.735
76-100%..1.0581.058
total8.220100.93109.13
Southeastern Alpsless than 1%0.410019.71320.012
1-4%1.15831.61032.69
5-9%0.410021.81222.112
10-25%1.45042.0843.48
26-50%..15.11515.115
51-75%..5.6255.625
76-100%..1.8451.845
total3.233137.52140.62
Southern Alpsless than 1%..15.21515.215
1-4%3.23329.41032.69
5-9%3.23331.61034.79
10-25%3.23334.7937.99
26-50%1.45015.51416.914
51-75%..5.6255.625
76-100%0.41002.5382.835
total11.417134.43145.72
Switzerlandless than 1%2.53888.4690.96
1-4%8.121178.74186.84
5-9%9.819177.84187.64
10-25%11.717324.73336.43
26-50%4.927186.84191.74
51-75%2.43898.86101.36
76-100%1.45065.7767.17
total40.991120.811161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #165015/151397

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · percentage of salvage logging · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedpercentage of salvage logging %± %± %± %± %± %± %±
inside perimeter0%77.813.9100.0.92.54.2100.0.100.0.100.0.95.61.9
1-50%..............
over 50%22.213.9..7.54.2......4.41.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0%90.41.381.21.593.70.895.81.296.21.197.20.891.10.5
1-50%5.11.010.21.12.30.5..0.30.31.50.64.10.3
over 50%4.50.98.51.04.10.64.21.23.41.01.30.64.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0%90.21.381.31.493.60.896.11.196.31.097.40.891.30.5
1-50%5.00.910.21.12.20.5..0.30.31.40.64.00.3
over 50%4.80.98.51.04.20.63.91.13.41.01.20.54.80.4
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 #165016/151398

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · percentage of salvage logging · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedpercentage of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0%2.5380.77113.1168.2202.83511.81739.29
1-50%..............
over 50%0.771..1.158......1.845
total3.2330.77114.2168.2202.83511.81741.09
outside perimeter0%172.22208.32309.8285.63108.83134.331019.11
1-50%9.71926.2117.522..0.41002.14145.89
over 50%8.62021.91213.5163.8303.9301.84553.58
total190.61256.41330.7189.43113.13138.231118.41
total0%174.82209.02322.9293.83111.73146.121058.31
1-50%9.71926.2117.522..0.41002.14145.89
over 50%9.41921.91214.5153.8303.9301.84555.38
total193.81257.11344.9197.63115.92150.021159.41

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #165017/151399

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · percentage of salvage logging · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonpercentage of salvage logging %± %± %±
AG0%..76.23.876.23.8
1-50%..16.43.416.43.4
over 50%..7.42.47.42.4
total..100.0.100.0.
AI0%..93.86.193.86.1
1-50%......
over 50%..6.26.16.26.1
total..100.0.100.0.
AR0%..92.05.592.05.5
1-50%..4.04.04.04.0
over 50%..4.04.04.04.0
total..100.0.100.0.
BE0%88.37.887.71.587.71.5
1-50%..5.41.05.31.0
over 50%11.77.86.91.27.11.2
total100.0.100.0.100.0.
BL/BS0%..79.95.778.45.8
1-50%..10.04.39.84.2
over 50%100.0.10.04.311.84.6
total100.0.100.0.100.0.
FR0%..90.32.890.32.8
1-50%..2.61.52.61.5
over 50%..7.02.47.02.4
total..100.0.100.0.
GE0%..100.0.100.0.
1-50%......
over 50%......
total..100.0.100.0.
GL0%100.0.97.42.697.82.2
1-50%......
over 50%..2.62.62.22.2
total100.0.100.0.100.0.
GR0%100.0.96.80.896.90.8
1-50%..0.60.40.60.4
over 50%..2.60.72.50.7
total100.0.100.0.100.0.
JU0%100.0.95.22.395.42.3
1-50%..1.21.21.21.2
over 50%..3.62.03.52.0
total100.0.100.0.100.0.
LU0%..88.22.988.22.9
1-50%..1.61.11.61.1
over 50%..10.22.710.22.7
total..100.0.100.0.
NE0%..89.83.389.83.3
1-50%..6.82.76.82.7
over 50%..3.41.93.41.9
total..100.0.100.0.
NW0%100.0.100.0.100.0.
1-50%......
over 50%......
total100.0.100.0.100.0.
OW0%100.0.89.84.490.24.2
1-50%..6.13.55.93.3
over 50%..4.12.93.92.7
total100.0.100.0.100.0.
SG0%100.0.93.12.193.32.0
1-50%..4.81.84.71.7
over 50%..2.11.22.01.1
total100.0.100.0.100.0.
SH0%..80.66.480.66.4
1-50%..16.76.316.76.3
over 50%..2.82.82.82.8
total..100.0.100.0.
SO0%100.0.87.83.688.13.6
1-50%..12.23.611.93.6
over 50%......
total100.0.100.0.100.0.
SZ0%100.0.89.33.689.83.5
1-50%..1.31.31.31.3
over 50%..9.33.49.03.3
total100.0.100.0.100.0.
TG0%..77.65.077.65.0
1-50%..9.83.59.83.5
over 50%..12.64.012.64.0
total..100.0.100.0.
TI0%100.0.97.11.097.30.9
1-50%..1.30.61.20.6
over 50%..1.60.71.50.7
total100.0.100.0.100.0.
UR0%77.813.9100.0.96.32.6
1-50%......
over 50%22.213.9..3.72.6
total100.0.100.0.100.0.
VD0%100.0.91.51.791.61.7
1-50%..3.11.13.01.1
over 50%..5.41.45.41.4
total100.0.100.0.100.0.
VS0%100.0.96.31.196.51.0
1-50%......
over 50%..3.71.13.51.0
total100.0.100.0.100.0.
ZG0%..57.113.757.113.7
1-50%..14.39.714.39.7
over 50%..28.612.528.612.5
total..100.0.100.0.
ZH0%..86.22.986.22.9
1-50%..9.72.59.72.5
over 50%..4.11.74.11.7
total..100.0.100.0.
Switzerland0%95.71.891.10.591.20.5
1-50%..4.20.44.00.3
over 50%4.31.94.80.44.80.4
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #165018/151400

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · percentage of salvage logging · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonpercentage of salvage logging1000 ha± %1000 ha± %1000 ha± %
AG0%..37.4537.45
1-50%..8.0218.021
over 50%..3.6323.632
total..49.1249.12
AI0%..4.9144.914
1-50%......
over 50%..0.31000.3100
total..5.2125.212
AR0%..7.487.48
1-50%..0.31000.3100
over 50%..0.31000.3100
total..8.058.05
BE0%5.226143.53148.62
1-50%..8.9198.919
over 50%0.77111.31712.016
total5.824163.72169.52
BL/BS0%..16.2916.29
1-50%..2.0432.043
over 50%0.41002.0432.439
total0.410020.3520.75
FR0%..38.5438.54
1-50%..1.1571.157
over 50%..3.0343.034
total..42.6342.63
GE0%..3.1203.120
1-50%......
over 50%......
total..3.1203.120
GL0%2.73614.21016.97
1-50%......
over 50%..0.41000.4100
total2.73614.61017.37
GR0%6.623156.72163.42
1-50%..1.0581.058
over 50%..4.2294.229
total6.623162.02168.62
JU0%1.25731.1432.34
1-50%..0.41000.4100
over 50%..1.2571.257
total1.25732.7333.93
LU0%..35.3535.35
1-50%..0.6700.670
over 50%..4.1264.126
total..40.0340.03
NE0%..25.3625.36
1-50%..1.9401.940
over 50%..1.0571.057
total..28.2428.24
NW0%0.41007.397.78
1-50%......
over 50%......
total0.41007.3107.78
OW0%0.77016.4717.26
1-50%..1.1571.157
over 50%..0.7700.770
total0.77018.3519.04
SG0%1.45049.1550.65
1-50%..2.5372.537
over 50%..1.1571.157
total1.45052.8454.24
SH0%..10.3910.39
1-50%..2.1382.138
over 50%..0.41000.4100
total..12.8312.83
SO0%0.87027.3528.05
1-50%..3.8303.830
over 50%......
total0.87031.0431.83
SZ0%1.15724.3725.46
1-50%..0.41000.4100
over 50%..2.5362.536
total1.15727.2528.35
TG0%..16.5716.57
1-50%..2.1362.136
over 50%..2.7312.731
total..21.3321.33
TI0%7.921106.63114.53
1-50%..1.4501.450
over 50%..1.8441.844
total7.921109.83117.72
UR0%2.33615.01117.39
1-50%......
over 50%0.770..0.770
total3.03115.01118.09
VD0%0.87189.8390.63
1-50%..3.0353.035
over 50%..5.3265.326
total0.87198.1298.92
VS0%8.22097.13105.33
1-50%......
over 50%..3.8303.830
total8.220100.93109.13
ZG0%..3.4253.425
1-50%..0.9680.968
over 50%..1.7441.744
total..6.066.06
ZH0%..44.1444.14
1-50%..4.9264.926
over 50%..2.1402.140
total..51.1251.12
Switzerland0%39.391020.911060.21
1-50%..46.7946.79
over 50%1.84553.5855.28
total41.091121.111162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #165019/151401

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · percentage of salvage logging · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedpercentage of salvage logging %± %± %± %± %± %±
inside perimeter0%77.813.9100.0.100.0.95.52.6100.0.95.71.9
1-50%............
over 50%22.213.9....4.52.6..4.31.9
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0%88.71.482.21.592.01.195.50.797.10.991.10.5
1-50%6.71.19.41.12.70.71.00.31.60.64.10.4
over 50%4.60.98.41.15.20.93.50.61.30.64.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.
total0%88.51.482.21.592.21.195.50.697.30.891.30.5
1-50%6.51.19.41.12.70.70.90.31.50.64.00.3
over 50%4.90.98.41.15.20.93.60.61.20.54.80.4
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 #165020/151402

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · percentage of salvage logging · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedpercentage of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0%2.6380.41002.93521.81211.41738.99
1-50%............
over 50%0.771....1.058..1.845
total3.3330.41002.93522.81211.41740.79
outside perimeter0%175.22188.02196.02328.32130.531018.11
1-50%13.11621.4125.8253.5322.14145.99
over 50%9.12019.31311.21812.1171.84553.58
total197.51228.81213.02343.92134.431117.61
total0%177.82188.42198.92350.12141.821057.01
1-50%13.11621.4125.8253.5322.14145.99
over 50%9.91919.31311.21813.1161.84555.38
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #165021/151403

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · percentage of salvage logging · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedpercentage of salvage logging %± %± %± %± %± %± %±
inside perimeter0%80.012.694.45.491.35.8100.0.100.0.100.0.95.71.9
1-50%..............
over 50%20.012.65.65.48.75.9......4.31.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0%85.21.092.71.192.11.496.31.196.70.997.10.991.10.5
1-50%8.10.82.70.72.80.9..0.30.31.60.64.10.4
over 50%6.70.74.60.95.11.23.71.13.10.91.30.64.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0%85.11.092.71.192.01.496.51.096.70.997.30.891.30.5
1-50%8.10.82.70.72.70.8..0.20.21.50.64.00.3
over 50%6.80.74.60.95.31.23.51.03.00.91.20.54.80.4
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 #165022/151404
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