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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · degree of cover of assured regeneration · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches 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%..1.8453.1331.7453.5311.15811.218
1-4%0.41003.6311.4508.2202.1414.32919.913
5-9%1.8454.7272.4385.1252.8352.83519.713
10-25%1.1587.2224.5277.5215.3253.53129.211
26-50%0.41002.5382.4382.1413.5311.84512.717
51-75%0.7710.7710.31000.31000.771..2.835
76-100%0.41000.7710.771..0.41000.41002.538
total4.72821.31214.91525.01118.31313.81598.06
outside perimeterless than 1%22.9127.22214.2156.22316.91415.31582.66
1-4%43.3927.81120.01218.61332.7930.110172.54
5-9%52.9829.91016.61419.61220.71233.79173.54
10-25%110.2570.0634.3926.11040.7836.39317.53
26-50%86.9629.91025.11114.81513.31616.214186.34
51-75%63.7716.2147.2223.1334.9265.924100.96
76-100%49.486.9234.2291.0581.4502.53865.37
total429.31187.92121.6389.44130.63139.931098.71
totalless than 1%22.9129.02017.3137.92020.41216.31493.86
1-4%43.7931.41021.41226.81034.8934.49192.44
5-9%54.7834.6919.11324.71123.61136.59193.24
10-25%111.3577.2638.8833.7945.9839.98346.73
26-50%87.3632.51027.51116.91316.81418.013198.94
51-75%64.4717.0147.5223.4315.6255.924103.86
76-100%49.787.6224.8261.0581.8452.83567.87
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162073/148452

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · degree of cover of assured regeneration · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover of assured regeneration %± %± %±
Western Juraless than 1%..3.60.93.50.9
1-4%7.77.410.71.510.61.5
5-9%38.313.517.41.918.01.8
10-25%23.311.826.42.226.32.1
26-50%7.77.418.61.918.21.9
51-75%15.310.013.81.713.81.7
76-100%7.77.49.51.49.51.4
total100.0.100.0.100.0.
Eastern Juraless than 1%..8.22.58.22.5
1-4%..8.22.58.22.5
5-9%..7.42.47.42.4
10-25%..26.14.026.14.0
26-50%..21.33.721.33.7
51-75%..14.03.114.03.1
76-100%..14.83.214.83.2
total..100.0.100.0.
Western Plateauless than 1%..3.41.73.41.7
1-4%..15.13.315.13.3
5-9%..16.13.416.13.4
10-25%..32.74.332.74.3
26-50%..18.53.618.53.6
51-75%..6.82.36.82.3
76-100%..7.52.47.52.4
total..100.0.100.0.
Central Plateauless than 1%..8.51.98.51.9
1-4%..10.32.010.32.0
5-9%..8.61.98.61.9
10-25%..21.62.821.62.8
26-50%..23.02.823.02.8
51-75%..16.62.516.62.5
76-100%..11.32.111.32.1
total..100.0.100.0.
Eastern Plateauless than 1%..5.01.25.01.2
1-4%..7.91.57.91.5
5-9%..8.81.68.81.6
10-25%..24.62.424.62.4
26-50%..20.82.320.82.3
51-75%..18.32.218.32.2
76-100%..14.52.014.52.0
total..100.0.100.0.
Western Pre-Alpsless than 1%..7.02.46.52.2
1-4%33.515.815.03.416.33.3
5-9%11.210.610.52.910.52.8
10-25%33.015.739.44.639.04.4
26-50%11.210.616.73.516.33.3
51-75%..10.52.99.72.7
76-100%11.210.60.90.91.61.1
total100.0.100.0.100.0.
Central Pre-Alpsless than 1%5.04.91.90.82.10.9
1-4%15.08.013.42.113.52.0
5-9%25.09.717.62.418.22.3
10-25%35.010.737.53.037.42.9
26-50%15.08.015.72.315.72.2
51-75%5.04.99.21.88.91.7
76-100%..4.61.34.31.2
total100.0.100.0.100.0.
Eastern Pre-Alpsless than 1%37.517.114.82.515.62.5
1-4%12.511.717.22.717.12.6
5-9%12.511.712.32.312.32.3
10-25%..27.13.126.13.0
26-50%25.015.319.22.819.42.7
51-75%..4.91.54.71.5
76-100%12.511.74.41.44.71.5
total100.0.100.0.100.0.
Northwestern Alpsless than 1%13.36.24.81.86.21.8
1-4%13.36.217.13.116.52.8
5-9%23.37.717.13.118.22.9
10-25%33.38.635.04.034.73.6
26-50%10.05.515.73.014.82.7
51-75%3.33.36.22.05.71.8
76-100%3.33.34.11.64.01.5
total100.0.100.0.100.0.
Central Alpsless than 1%11.77.83.02.14.72.3
1-4%11.77.814.84.314.23.8
5-9%11.77.818.04.716.74.1
10-25%35.611.728.25.529.75.0
26-50%23.410.330.05.628.75.0
51-75%5.95.76.02.96.02.6
76-100%......
total100.0.100.0.100.0.
Northeastern Alpsless than 1%22.29.811.53.613.53.5
1-4%5.65.416.74.214.63.6
5-9%22.39.814.14.015.73.7
10-25%38.911.530.85.232.34.8
26-50%5.65.415.44.113.53.5
51-75%..7.73.06.22.5
76-100%5.65.43.82.24.22.0
total100.0.100.0.100.0.
Southwestern Alpsless than 1%6.93.06.91.66.91.4
1-4%32.85.520.82.523.42.3
5-9%20.54.721.92.621.62.3
10-25%30.15.429.22.829.42.5
26-50%8.23.216.62.314.71.9
51-75%1.41.43.51.13.00.9
76-100%..1.20.70.90.5
total100.0.100.0.100.0.
Southeastern Alpsless than 1%19.25.512.91.713.71.7
1-4%11.54.425.02.223.42.1
5-9%15.45.015.91.915.81.8
10-25%28.96.331.12.430.92.2
26-50%19.25.510.21.611.31.5
51-75%3.82.73.71.03.80.9
76-100%1.91.91.10.51.20.5
total100.0.100.0.100.0.
Southern Alpsless than 1%7.74.310.91.610.61.5
1-4%30.87.421.52.122.42.0
5-9%20.56.524.12.223.72.0
10-25%25.67.026.02.225.92.1
26-50%12.95.411.61.611.71.5
51-75%..4.21.03.80.9
76-100%2.62.51.80.71.80.6
total100.0.100.0.100.0.
Switzerlandless than 1%11.51.97.50.57.80.5
1-4%20.32.415.70.616.10.6
5-9%20.12.415.80.716.20.6
10-25%29.82.729.00.829.00.8
26-50%12.92.016.90.716.60.6
51-75%2.91.09.10.58.60.5
76-100%2.61.05.90.45.70.4
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162074/148453

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · degree of cover of assured regeneration · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 1%..5.4265.426
1-4%0.410016.11416.514
5-9%1.84526.11127.910
10-25%1.15839.6840.78
26-50%0.410027.91028.210
51-75%0.77120.71221.412
76-100%0.410014.31514.615
total4.627150.02154.72
Eastern Juraless than 1%..4.0304.030
1-4%..4.0304.030
5-9%..3.6323.632
10-25%..12.61512.615
26-50%..10.31810.318
51-75%..6.7236.723
76-100%..7.1227.122
total..48.2248.22
Western Plateauless than 1%..1.6491.649
1-4%..7.4227.422
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..48.7348.73
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%..11.51511.515
76-100%..7.8197.819
total..69.1269.12
Eastern Plateauless than 1%..5.7245.724
1-4%..8.9198.919
5-9%..10.01810.018
10-25%..27.91027.910
26-50%..23.61123.611
51-75%..20.71220.712
76-100%..16.41416.414
total..113.32113.32
Western Pre-Alpsless than 1%..3.0343.034
1-4%1.1576.3237.421
5-9%0.41004.4284.827
10-25%1.15816.61317.712
26-50%0.41007.0217.421
51-75%..4.4284.428
76-100%0.41000.41000.770
total3.33342.1445.54
Central Pre-Alpsless than 1%0.41001.8442.240
1-4%1.15812.61613.615
5-9%1.84416.51418.313
10-25%2.53735.1837.78
26-50%1.15814.71515.814
51-75%0.41008.6209.019
76-100%..4.3284.328
total7.22293.63100.82
Eastern Pre-Alpsless than 1%1.15710.71711.816
1-4%0.410012.51612.915
5-9%0.41008.9199.319
10-25%..19.61219.612
26-50%0.77113.91514.614
51-75%..3.6313.631
76-100%0.41003.2333.631
total2.93572.5375.33
Northwestern Alpsless than 1%1.4502.5373.929
1-4%1.4508.91910.417
5-9%2.5378.91911.416
10-25%3.63118.31321.811
26-50%1.1578.2209.318
51-75%0.41003.2333.631
76-100%0.41002.2402.537
total10.71752.2562.94
Central Alpsless than 1%0.7700.7701.449
1-4%0.7703.4304.127
5-9%0.7704.2284.926
10-25%2.1406.6218.618
26-50%1.4497.0218.419
51-75%0.31001.4501.744
76-100%......
total5.92323.3929.17
Northeastern Alpsless than 1%1.4493.2324.726
1-4%0.41004.7265.025
5-9%1.4503.9295.425
10-25%2.5378.61911.116
26-50%0.41004.3274.726
51-75%..2.1402.140
76-100%0.41001.1571.449
total6.42227.9734.45
Southwestern Alpsless than 1%1.7456.2237.920
1-4%8.22018.61326.810
5-9%5.12519.61224.711
10-25%7.52126.11033.79
26-50%2.14114.81516.913
51-75%0.31003.1333.431
76-100%..1.0581.058
total25.01189.44114.43
Southeastern Alpsless than 1%3.53116.91420.412
1-4%2.14132.7934.89
5-9%2.83520.71223.611
10-25%5.32540.7845.98
26-50%3.53113.31616.814
51-75%0.7714.9265.625
76-100%0.41001.4501.845
total18.313130.63148.92
Southern Alpsless than 1%1.15815.31516.314
1-4%4.32930.11034.49
5-9%2.83533.7936.59
10-25%3.53136.3939.98
26-50%1.84516.21418.013
51-75%..5.9245.924
76-100%0.41002.5382.835
total13.815139.93153.82
Switzerlandless than 1%11.31882.8694.16
1-4%20.013173.34193.24
5-9%19.713174.34194.14
10-25%29.211318.93348.13
26-50%12.717186.14198.84
51-75%2.835100.16103.06
76-100%2.53865.3767.87
total98.261100.911199.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162075/148454

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · percentage of salvage logging · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedpercentage of salvage logging %± %± %± %± %± %± %±
inside perimeter0%100.0...93.82.397.12.195.53.192.74.195.01.3
1-50%....2.71.5..2.32.22.42.41.80.8
over 50%....3.51.72.92.02.32.24.93.43.21.1
total100.0...100.0.100.0.100.0.100.0.100.0.
outside perimeter0%90.01.381.41.493.90.896.11.396.01.198.00.791.20.5
1-50%5.11.010.11.12.00.5....1.20.64.00.3
over 50%4.90.98.51.04.10.73.91.34.01.10.70.44.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0%90.31.381.41.493.90.896.31.196.01.197.50.791.50.5
1-50%5.00.910.11.12.10.4..0.30.31.40.53.80.3
over 50%4.80.98.51.04.00.63.71.13.71.01.10.54.70.4
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 #162076/148455

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · percentage of salvage logging · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedpercentage of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0%4.727..37.6922.61114.81513.61693.36
1-50%....1.158..0.41000.41001.845
over 50%....1.4500.7710.41000.7713.233
total4.727..40.1923.31115.61414.61598.26
outside perimeter0%172.32210.52300.4275.14103.23140.631002.11
1-50%9.71926.2116.423....1.84544.19
over 50%9.41921.91213.1163.1334.3291.15852.88
total191.32258.61319.9278.24107.53143.431098.91
total0%176.92210.52338.0297.73118.13154.121095.41
1-50%9.71926.2117.522..0.41002.14145.89
over 50%9.41921.91214.5153.8304.6271.84556.08
total196.01258.61360.01101.53123.02158.021197.21

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162077/148456

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · percentage of salvage logging · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
avalanches 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%100.0.92.47.593.86.1
1-50%......
over 50%..7.67.56.26.1
total100.0.100.0.100.0.
AR0%100.0.92.05.592.35.3
1-50%..4.04.03.83.8
over 50%..4.04.03.83.8
total100.0.100.0.100.0.
BE0%90.54.587.71.587.91.4
1-50%4.73.35.21.05.11.0
over 50%4.73.37.11.26.91.1
total100.0.100.0.100.0.
BL/BS0%..78.45.878.45.8
1-50%..9.84.29.84.2
over 50%..11.84.611.84.6
total..100.0.100.0.
FR0%100.0.90.22.890.52.7
1-50%..2.71.52.61.5
over 50%..7.12.46.92.4
total100.0.100.0.100.0.
GE0%..100.0.100.0.
1-50%......
over 50%......
total..100.0.100.0.
GL0%100.0.97.22.897.92.1
1-50%......
over 50%..2.82.82.12.1
total100.0.100.0.100.0.
GR0%96.92.296.60.996.70.8
1-50%1.61.50.40.30.60.3
over 50%1.61.52.90.82.70.7
total100.0.100.0.100.0.
JU0%100.0.95.32.395.42.2
1-50%..1.21.21.11.1
over 50%..3.52.03.41.9
total100.0.100.0.100.0.
LU0%100.0.88.32.988.42.8
1-50%..1.61.11.51.1
over 50%..10.22.710.02.6
total100.0.100.0.100.0.
NE0%100.0.89.43.489.83.3
1-50%..7.12.86.82.7
over 50%..3.52.03.41.9
total100.0.100.0.100.0.
NW0%100.0.100.0.100.0.
1-50%......
over 50%......
total100.0.100.0.100.0.
OW0%85.313.691.64.090.83.9
1-50%..6.33.55.53.1
over 50%14.713.62.12.13.72.6
total100.0.100.0.100.0.
SG0%90.09.493.92.093.71.9
1-50%10.09.54.11.64.41.6
over 50%..2.01.21.91.1
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%..88.23.588.23.5
1-50%..11.83.511.83.5
over 50%......
total..100.0.100.0.
SZ0%100.0.89.23.690.13.3
1-50%..1.31.31.21.2
over 50%..9.43.48.63.1
total100.0.100.0.100.0.
TG0%..77.94.977.94.9
1-50%..9.63.59.63.5
over 50%..12.43.912.43.9
total..100.0.100.0.
TI0%88.96.098.10.897.40.9
1-50%3.73.60.90.51.20.6
over 50%7.45.00.90.51.40.6
total100.0.100.0.100.0.
UR0%100.0.95.73.096.52.5
1-50%......
over 50%..4.33.03.52.5
total100.0.100.0.100.0.
VD0%90.98.691.71.791.71.7
1-50%..3.11.13.01.0
over 50%9.18.75.11.45.31.4
total100.0.100.0.100.0.
VS0%97.31.996.51.196.71.0
1-50%......
over 50%2.71.93.51.13.31.0
total100.0.100.0.100.0.
ZG0%..59.513.159.513.1
1-50%..13.59.213.59.2
over 50%..27.011.927.011.9
total..100.0.100.0.
ZH0%..86.42.886.42.8
1-50%..9.52.49.52.4
over 50%..4.11.64.11.6
total..100.0.100.0.
Switzerland0%94.91.391.10.591.40.5
1-50%1.80.84.10.43.90.3
over 50%3.31.14.80.44.70.4
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162078/148457

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · percentage of salvage logging · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
avalanches 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%1.0543.9204.914
1-50%......
over 50%..0.31000.3100
total1.0544.3185.212
AR0%0.31007.4107.79
1-50%..0.31000.3100
over 50%..0.31000.3100
total0.31008.178.46
BE0%13.016139.23152.23
1-50%0.7718.2208.919
over 50%0.77111.31712.016
total14.415158.72173.12
BL/BS0%..16.2916.29
1-50%..2.0432.043
over 50%..2.4392.439
total..20.7520.75
FR0%1.15738.1539.24
1-50%..1.1571.157
over 50%..3.0343.034
total1.15742.2443.33
GE0%..3.1203.120
1-50%......
over 50%......
total..3.1203.120
GL0%4.22813.41117.68
1-50%......
over 50%..0.41000.4100
total4.22813.81118.07
GR0%21.712151.33173.02
1-50%0.31000.7711.058
over 50%0.31004.6284.926
total22.412156.63179.02
JU0%0.87031.9432.74
1-50%..0.41000.4100
over 50%..1.2571.257
total0.87033.4334.23
LU0%0.67035.4536.05
1-50%..0.6700.670
over 50%..4.1264.126
total0.67040.1340.73
NE0%1.05724.3625.36
1-50%..1.9401.940
over 50%..1.0571.057
total1.05727.2528.24
NW0%1.2556.5127.78
1-50%......
over 50%......
total1.2556.5137.78
OW0%2.24016.3818.57
1-50%..1.1571.157
over 50%0.41000.41000.770
total2.53717.8720.45
SG0%3.33350.2553.54
1-50%0.41002.2402.537
over 50%..1.1571.157
total3.63153.5457.14
SH0%..10.3910.39
1-50%..2.1382.138
over 50%..0.41000.4100
total..12.8312.83
SO0%..28.4528.45
1-50%..3.8303.830
over 50%......
total..32.2332.23
SZ0%2.53623.9726.56
1-50%..0.41000.4100
over 50%..2.5362.536
total2.53626.8629.34
TG0%..16.9816.98
1-50%..2.1362.136
over 50%..2.7312.731
total..21.7421.74
TI0%8.620111.83120.43
1-50%0.41001.1581.450
over 50%0.7711.1581.844
total9.719113.93123.62
UR0%3.33014.81118.19
1-50%......
over 50%..0.7700.770
total3.33015.41118.78
VD0%3.83188.2392.03
1-50%..3.0353.035
over 50%0.41004.9275.326
total4.23096.13100.32
VS0%24.41186.34110.73
1-50%......
over 50%0.7713.1333.830
total25.01189.44114.43
ZG0%..3.8243.824
1-50%..0.9680.968
over 50%..1.7441.744
total..6.376.37
ZH0%..44.8444.84
1-50%..4.9264.926
over 50%..2.1402.140
total..51.8251.82
Switzerland0%92.961004.011096.81
1-50%1.84544.9946.79
over 50%3.23352.8856.08
total97.861101.711199.51

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162079/148458

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · percentage of salvage logging · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedpercentage of salvage logging %± %± %± %± %± %±
inside perimeter0%100.0...91.94.595.81.592.34.395.01.3
1-50%....5.43.71.10.72.62.51.80.8
over 50%....2.72.73.21.35.13.53.21.1
total100.0...100.0.100.0.100.0.100.0.
outside perimeter0%88.41.482.41.592.41.195.50.798.00.791.20.5
1-50%6.61.19.31.12.40.60.90.31.30.64.00.3
over 50%5.00.98.41.15.20.93.70.60.80.44.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.
total0%88.61.382.41.592.41.195.50.697.50.891.50.5
1-50%6.51.09.31.12.60.60.90.31.40.63.80.3
over 50%4.90.98.41.15.00.93.60.61.20.54.70.4
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 #162080/148459

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · percentage of salvage logging · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedpercentage of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0%4.727..12.31763.0712.81692.76
1-50%....0.7710.7710.41001.845
over 50%....0.41002.1410.7713.133
total4.727..13.31665.7713.81597.66
outside perimeter0%174.82190.62192.42306.22137.131001.11
1-50%13.11621.4125.0262.8351.84544.29
over 50%9.91919.31310.81811.8171.15852.88
total197.82231.31208.32320.82139.931098.11
total0%179.62190.62204.72369.22149.921093.81
1-50%13.11621.4125.8253.5322.14145.99
over 50%9.91919.31311.21813.9161.84556.08
total202.61231.31221.62386.51153.821195.81

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162081/148460

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · percentage of salvage logging · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedpercentage of salvage logging %± %± %± %± %± %± %±
inside perimeter0%100.0.89.83.997.72.397.31.996.22.792.34.394.91.3
1-50%..3.42.42.32.3..1.91.92.62.51.80.8
over 50%..6.83.3..2.71.91.91.95.13.53.31.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0%85.11.093.31.191.81.596.51.196.51.098.00.791.20.5
1-50%8.10.82.50.72.60.8....1.30.64.00.4
over 50%6.80.74.20.95.71.23.51.13.51.00.80.44.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0%85.21.092.91.192.41.396.71.096.40.997.50.891.50.5
1-50%8.00.82.60.72.50.8..0.20.21.40.63.80.3
over 50%6.80.74.50.95.11.13.31.03.30.91.20.54.70.4
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 #162082/148461

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · percentage of salvage logging · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedpercentage of salvage logging1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0%4.72819.11314.51524.41117.61312.81693.06
1-50%..0.7710.3100..0.41000.41001.845
over 50%..1.450..0.7710.41000.7713.233
total4.72821.31214.91525.01118.31313.81598.06
outside perimeter0%365.32175.33111.6386.34126.03137.131001.51
1-50%34.7104.7283.133....1.84544.39
over 50%29.3117.9216.9223.1334.6271.15852.98
total429.31187.92121.6389.44130.63139.931098.71
total0%369.92194.42126.13110.73143.62149.921094.51
1-50%34.7105.4263.431..0.41002.14146.09
over 50%29.3119.4196.9223.8304.9261.84556.18
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162083/148462

NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · percentage of salvage logging · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionpercentage of salvage logging %± %± %±
Western Jura0%100.0.91.01.491.21.4
1-50%..4.31.04.21.0
over 50%..4.81.04.61.0
total100.0.100.0.100.0.
Eastern Jura0%..79.53.779.53.7
1-50%..14.83.214.83.2
over 50%..5.72.15.72.1
total..100.0.100.0.
Western Plateau0%..84.93.384.93.3
1-50%..3.31.63.31.6
over 50%..11.83.011.83.0
total..100.0.100.0.
Central Plateau0%..82.12.682.12.6
1-50%..9.42.09.42.0
over 50%..8.51.98.51.9
total..100.0.100.0.
Eastern Plateau0%..81.72.281.72.2
1-50%..11.41.811.41.8
over 50%..6.91.46.91.4
total..100.0.100.0.
Western Pre-Alps0%88.810.696.51.795.91.8
1-50%11.210.62.61.53.31.6
over 50%..0.90.90.80.8
total100.0.100.0.100.0.
Central Pre-Alps0%95.04.992.31.692.51.6
1-50%..1.90.81.80.8
over 50%5.04.95.71.45.71.4
total100.0.100.0.100.0.
Eastern Pre-Alps0%87.511.790.12.190.02.1
1-50%12.511.73.01.23.31.2
over 50%..6.91.86.61.7
total100.0.100.0.100.0.
Northwestern Alps0%86.76.192.52.291.52.1
1-50%3.33.33.41.53.41.4
over 50%10.05.54.11.65.11.7
total100.0.100.0.100.0.
Central Alps0%100.0.91.13.592.92.8
1-50%..3.02.12.41.7
over 50%..5.92.94.72.3
total100.0.100.0.100.0.
Northeastern Alps0%100.0.96.22.296.91.8
1-50%..1.31.31.01.0
over 50%..2.61.82.11.5
total100.0.100.0.100.0.
Southwestern Alps0%97.31.996.51.196.71.0
1-50%......
over 50%2.71.93.51.13.31.0
total100.0.100.0.100.0.
Southeastern Alps0%96.22.796.51.096.40.9
1-50%1.91.9..0.20.2
over 50%1.91.93.51.03.30.9
total100.0.100.0.100.0.
Southern Alps0%92.34.398.00.797.50.8
1-50%2.62.51.30.61.40.6
over 50%5.13.50.80.41.20.5
total100.0.100.0.100.0.
Switzerland0%94.91.391.20.591.50.5
1-50%1.80.84.00.33.80.3
over 50%3.21.14.80.44.70.4
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162084/148463

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantoncrown closure %± %± %±
AGn/a..0.80.80.80.8
crowded..31.14.231.14.2
normal..44.34.544.34.5
loose..13.13.113.13.1
open..9.02.69.02.6
scattered..0.80.80.80.8
grouped crowded......
grouped normal......
heterogeneous..0.80.80.80.8
total..100.0.100.0.
AIn/a..6.26.16.26.1
crowded..49.312.749.312.7
normal..12.38.412.38.4
loose..12.38.412.38.4
open..6.26.16.26.1
scattered......
grouped crowded..13.78.913.78.9
grouped normal......
heterogeneous......
total..100.0.100.0.
ARn/a......
crowded..46.410.046.410.0
normal..38.39.638.39.6
loose......
open..3.83.83.83.8
scattered..7.75.37.75.3
grouped crowded......
grouped normal..3.83.83.83.8
heterogeneous......
total..100.0.100.0.
BEn/a5.95.71.80.62.00.6
crowded29.311.025.42.025.61.9
normal29.311.027.82.027.82.0
loose5.95.78.01.27.91.2
open..16.01.715.41.6
scattered..5.41.05.21.0
grouped crowded11.77.83.10.83.40.8
grouped normal12.18.04.71.05.01.0
heterogeneous5.95.77.81.27.71.2
total100.0.100.0.100.0.
BL/BSn/a......
crowded100.0.31.76.633.16.6
normal..48.27.147.27.0
loose..14.15.013.84.9
open..4.02.83.92.8
scattered..2.02.02.02.0
grouped crowded......
grouped normal......
heterogeneous......
total100.0.100.0.100.0.
FRn/a..2.61.52.61.5
crowded..34.54.434.54.4
normal..21.63.821.63.8
loose..11.22.911.22.9
open..8.62.68.62.6
scattered..10.42.810.42.8
grouped crowded..7.72.57.72.5
grouped normal..2.61.52.61.5
heterogeneous..0.90.90.90.9
total..100.0.100.0.
GEn/a..14.814.614.814.6
crowded..40.919.640.919.6
normal..14.814.614.814.6
loose......
open..14.814.614.814.6
scattered..14.814.614.814.6
grouped crowded......
grouped normal......
heterogeneous......
total..100.0.100.0.
GLn/a......
crowded57.118.827.57.131.96.9
normal14.313.312.65.312.84.9
loose..5.03.54.33.0
open14.313.322.46.621.26.0
scattered..12.45.210.54.5
grouped crowded..15.15.712.84.9
grouped normal14.313.35.03.56.43.6
heterogeneous......
total100.0.100.0.100.0.
GRn/a4.74.62.80.82.90.7
crowded9.56.411.81.511.71.4
normal33.610.312.01.512.91.5
loose9.56.410.61.410.61.4
open9.56.419.91.819.51.7
scattered9.56.417.11.716.81.7
grouped crowded4.74.68.41.28.31.2
grouped normal4.74.613.41.513.11.5
heterogeneous14.27.63.90.94.30.9
total100.0.100.0.100.0.
JUn/a......
crowded66.727.336.35.237.45.2
normal33.327.430.75.030.84.9
loose..13.03.712.53.5
open..9.43.29.13.1
scattered..3.52.03.41.9
grouped crowded......
grouped normal..1.21.21.11.1
heterogeneous..5.92.65.72.5
total100.0.100.0.100.0.
LUn/a..0.80.80.80.8
crowded..30.44.130.44.1
normal..33.94.233.94.2
loose..6.92.26.92.2
open..18.53.418.53.4
scattered..2.31.32.31.3
grouped crowded..1.71.21.71.2
grouped normal..1.51.11.51.1
heterogeneous..4.01.84.01.8
total..100.0.100.0.
NEn/a......
crowded..15.03.915.03.9
normal..23.94.623.94.6
loose..12.53.512.53.5
open..17.34.117.34.1
scattered..3.72.13.72.1
grouped crowded..1.11.11.11.1
grouped normal..7.12.87.12.8
heterogeneous..19.34.219.34.2
total..100.0.100.0.
NWn/a......
crowded100.0.26.310.330.010.5
normal..26.310.325.09.9
loose......
open..21.19.520.09.1
scattered..21.19.520.09.1
grouped crowded......
grouped normal......
heterogeneous..5.35.25.05.0
total100.0.100.0.100.0.
OWn/a..3.62.53.52.4
crowded50.035.720.95.622.05.6
normal..28.56.327.56.1
loose..1.91.91.81.8
open50.035.717.05.218.25.2
scattered..14.94.914.34.7
grouped crowded..5.53.15.33.0
grouped normal..1.91.91.81.8
heterogeneous..5.73.25.53.1
total100.0.100.0.100.0.
SGn/a..1.30.91.20.9
crowded..28.83.727.83.6
normal40.022.030.83.731.13.7
loose20.017.97.22.17.62.1
open20.017.910.52.510.82.5
scattered20.017.97.22.17.62.1
grouped crowded..5.21.85.11.8
grouped normal..8.52.28.22.2
heterogeneous..0.70.70.60.6
total100.0.100.0.100.0.
SHn/a......
crowded..41.78.341.78.3
normal..44.48.344.48.3
loose..8.34.78.34.7
open..2.82.82.82.8
scattered..2.82.82.82.8
grouped crowded......
grouped normal......
heterogeneous......
total..100.0.100.0.
SOn/a......
crowded50.035.524.14.724.74.7
normal..41.05.440.05.3
loose..13.33.712.93.7
open50.035.515.74.016.54.0
scattered..6.02.65.92.6
grouped crowded......
grouped normal......
heterogeneous......
total100.0.100.0.100.0.
SZn/a..3.92.23.72.1
crowded..27.35.125.94.9
normal75.021.720.84.623.44.7
loose..10.43.59.93.3
open25.021.811.73.712.33.7
scattered..9.13.38.73.1
grouped crowded..3.92.23.72.1
grouped normal..7.83.17.42.9
heterogeneous..5.22.55.02.4
total100.0.100.0.100.0.
TGn/a......
crowded..26.65.326.65.3
normal..34.55.634.55.6
loose..22.45.022.45.0
open..9.63.59.63.5
scattered..5.52.75.52.7
grouped crowded......
grouped normal..1.41.41.41.4
heterogeneous......
total..100.0.100.0.
TIn/a..0.60.40.60.4
crowded43.510.334.22.634.82.6
normal26.19.216.42.117.02.0
loose4.34.35.31.25.21.2
open4.34.313.11.912.51.8
scattered8.75.910.81.710.71.7
grouped crowded4.34.38.61.68.31.5
grouped normal8.75.98.61.68.61.5
heterogeneous..2.50.92.30.8
total100.0.100.0.100.0.
URn/a......
crowded11.110.529.66.726.75.9
normal44.416.710.54.515.94.9
loose22.213.96.63.79.13.9
open11.110.510.54.510.64.1
scattered11.110.56.33.57.13.4
grouped crowded..16.85.414.14.7
grouped normal..13.55.111.34.3
heterogeneous..6.33.55.33.0
total100.0.100.0.100.0.
VDn/a..1.10.71.10.7
crowded50.035.429.72.829.92.8
normal50.035.431.22.931.42.9
loose..7.61.67.61.6
open..12.62.012.52.0
scattered..8.61.78.61.7
grouped crowded..4.21.24.11.2
grouped normal..1.90.81.80.8
heterogeneous..3.11.13.01.1
total100.0.100.0.100.0.
VSn/a4.44.32.30.82.40.8
crowded29.19.321.62.322.22.3
normal4.24.114.52.013.81.9
loose16.67.67.11.57.81.5
open16.67.617.82.217.72.1
scattered12.56.716.52.116.22.0
grouped crowded4.24.14.51.24.51.1
grouped normal..2.91.02.70.9
heterogeneous12.56.712.61.912.61.8
total100.0.100.0.100.0.
ZGn/a..6.86.86.86.8
crowded..6.86.86.86.8
normal..27.011.927.011.9
loose..27.011.927.011.9
open..12.28.312.28.3
scattered..6.86.86.86.8
grouped crowded..6.86.86.86.8
grouped normal......
heterogeneous..6.86.86.86.8
total..100.0.100.0.
ZHn/a......
crowded..27.23.727.23.7
normal..36.04.036.04.0
loose..16.33.116.33.1
open..14.32.914.32.9
scattered..2.71.42.71.4
grouped crowded..0.70.70.70.7
grouped normal..1.41.01.41.0
heterogeneous..1.41.01.41.0
total..100.0.100.0.
Switzerlandn/a2.51.41.50.21.60.2
crowded30.34.225.90.826.10.7
normal25.64.025.00.725.00.7
loose8.92.69.30.59.30.5
open10.82.814.50.614.40.6
scattered7.32.49.10.59.10.5
grouped crowded4.01.84.70.44.70.4
grouped normal5.02.05.30.45.30.4
heterogeneous5.62.14.70.44.70.4
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162085/148464

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantoncrown closure1000 ha± %1000 ha± %1000 ha± %
AGn/a..0.41000.4100
crowded..15.31415.314
normal..21.71021.710
loose..6.4236.423
open..4.4294.429
scattered..0.41000.4100
grouped crowded......
grouped normal......
heterogeneous..0.41000.4100
total..49.1249.12
AIn/a..0.31000.3100
crowded..2.6272.627
normal..0.6690.669
loose..0.6690.669
open..0.31000.3100
scattered......
grouped crowded..0.7710.771
grouped normal......
heterogeneous......
total..5.2125.212
ARn/a......
crowded..3.9233.923
normal..3.2253.225
loose......
open..0.31000.3100
scattered..0.6690.669
grouped crowded......
grouped normal..0.31000.3100
heterogeneous......
total..8.468.46
BEn/a0.31003.1333.431
crowded1.74542.6844.38
normal1.74546.5748.27
loose0.310013.41513.715
open..26.71126.711
scattered..9.0199.019
grouped crowded0.7715.2265.824
grouped normal0.7717.9218.620
heterogeneous0.310013.01613.416
total5.824167.32173.12
BL/BSn/a......
crowded0.41006.4226.921
normal..9.8159.815
loose..2.9362.936
open..0.8700.870
scattered..0.41000.4100
grouped crowded......
grouped normal......
heterogeneous......
total0.410020.3520.75
FRn/a..1.1571.157
crowded..14.91314.913
normal..9.3189.318
loose..4.9264.926
open..3.7313.731
scattered..4.5274.527
grouped crowded..3.3323.332
grouped normal..1.1571.157
heterogeneous..0.41000.4100
total..43.3343.33
GEn/a..0.51000.5100
crowded..1.3541.354
normal..0.51000.5100
loose......
open..0.51000.5100
scattered..0.51000.5100
grouped crowded......
grouped normal......
heterogeneous......
total..3.1203.120
GLn/a......
crowded1.5494.2285.723
normal0.41001.9432.339
loose..0.8700.870
open0.41003.4313.829
scattered..1.9441.944
grouped crowded..2.3392.339
grouped normal0.41000.8701.257
heterogeneous......
total2.73615.31018.07
GRn/a0.31004.9265.225
crowded0.77120.31321.012
normal2.53820.51223.012
loose0.77118.21318.913
open0.77134.2934.99
scattered0.77129.31030.010
grouped crowded0.310014.51514.815
grouped normal0.310023.01223.412
heterogeneous1.0586.7237.721
total7.421171.62179.02
JUn/a......
crowded0.87012.01512.814
normal0.410010.11710.516
loose..4.3284.328
open..3.1343.134
scattered..1.2571.257
grouped crowded......
grouped normal..0.41000.4100
heterogeneous..1.9441.944
total1.25733.0434.23
LUn/a..0.31000.3100
crowded..12.41412.414
normal..13.81213.812
loose..2.8322.832
open..7.5197.519
scattered..0.9570.957
grouped crowded..0.7710.771
grouped normal..0.6700.670
heterogeneous..1.6441.644
total..40.7340.73
NEn/a......
crowded..4.2264.226
normal..6.7196.719
loose..3.5283.528
open..4.9244.924
scattered..1.0581.058
grouped crowded..0.31000.3100
grouped normal..2.0402.040
heterogeneous..5.4225.422
total..28.2428.24
NWn/a......
crowded0.41001.9402.336
normal..1.9401.940
loose......
open..1.5461.546
scattered..1.5461.546
grouped crowded......
grouped normal......
heterogeneous..0.41000.4100
total0.41007.3107.78
OWn/a..0.7710.771
crowded0.41004.1274.526
normal..5.6225.622
loose..0.41000.4100
open0.41003.3313.729
scattered..2.9342.934
grouped crowded..1.1571.157
grouped normal..0.41000.4100
heterogeneous..1.1571.157
total0.77019.6620.45
SGn/a..0.7710.771
crowded..15.91315.913
normal0.77017.01217.712
loose0.41004.0294.328
open0.41005.8246.123
scattered0.41004.0294.328
grouped crowded..2.9352.935
grouped normal..4.7274.727
heterogeneous..0.41000.4100
total1.84455.3457.14
SHn/a......
crowded..5.3205.320
normal..5.7195.719
loose..1.1561.156
open..0.41000.4100
scattered..0.41000.4100
grouped crowded......
grouped normal......
heterogeneous......
total..12.8312.83
SOn/a......
crowded0.41007.6207.919
normal..12.91412.914
loose..4.2294.229
open0.41004.9265.325
scattered..1.9441.944
grouped crowded......
grouped normal......
heterogeneous......
total0.87031.4432.23
SZn/a..1.1571.157
crowded..7.6197.619
normal1.1575.8236.920
loose..2.9342.934
open0.41003.3323.630
scattered..2.5372.537
grouped crowded..1.1571.157
grouped normal..2.2402.240
heterogeneous..1.5501.550
total1.44927.9529.34
TGn/a......
crowded..5.8205.820
normal..7.5167.516
loose..4.9234.923
open..2.1362.136
scattered..1.2491.249
grouped crowded......
grouped normal..0.31000.3100
heterogeneous......
total..21.7421.74
TIn/a..0.7710.771
crowded3.63139.4843.08
normal2.14118.91321.112
loose0.41006.1246.423
open0.410015.11515.515
scattered0.77112.51613.216
grouped crowded0.41009.91810.218
grouped normal0.77110.01810.718
heterogeneous..2.9352.935
total8.220115.43123.62
URn/a......
crowded0.31004.7255.024
normal1.3491.7433.031
loose0.7701.0581.744
open0.31001.7432.039
scattered0.31001.0571.349
grouped crowded..2.6342.634
grouped normal..2.1412.141
heterogeneous..1.0571.057
total3.03115.71118.78
VDn/a..1.1581.158
crowded0.410029.61030.010
normal0.410031.1931.59
loose..7.6227.622
open..12.51612.516
scattered..8.6208.620
grouped crowded..4.2304.230
grouped normal..1.8451.845
heterogeneous..3.0353.035
total0.87199.62100.32
VSn/a0.41002.4382.835
crowded2.43723.01125.411
normal0.310015.41415.814
loose1.4507.6219.019
open1.45018.91320.312
scattered1.05817.61318.613
grouped crowded0.31004.8265.225
grouped normal..3.1333.133
heterogeneous1.05813.41514.515
total8.220106.23114.43
ZGn/a..0.41000.4100
crowded..0.41000.4100
normal..1.7441.744
loose..1.7441.744
open..0.8710.871
scattered..0.41000.4100
grouped crowded..0.41000.4100
grouped normal......
heterogeneous..0.41000.4100
total..6.376.37
ZHn/a......
crowded..14.11414.114
normal..18.71118.711
loose..8.5198.519
open..7.4207.420
scattered..1.4501.450
grouped crowded..0.41000.4100
grouped normal..0.7700.770
heterogeneous..0.7700.770
total..51.8251.82
Switzerlandn/a1.15817.81418.814
crowded13.017299.53312.53
normal11.018288.63299.63
loose3.830107.66111.45
open4.628167.54172.14
scattered3.133105.66108.75
grouped crowded1.74554.4856.18
grouped normal2.24161.4763.67
heterogeneous2.43854.3856.78
total42.891156.611199.51

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162086/148465

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcrown closure %± %± %± %± %± %±
inside perimetern/a..100.0...2.92.0..2.51.4
crowded44.516.6..25.015.325.75.236.38.429.84.2
normal33.415.7..37.517.122.95.027.47.825.74.0
loose....12.511.711.43.86.14.29.02.6
open11.110.5..12.511.712.84.06.14.210.72.8
scattered......8.63.39.15.07.42.4
grouped crowded......4.32.46.14.24.11.8
grouped normal11.010.4....4.32.46.14.25.02.0
heterogeneous....12.511.77.13.13.03.05.82.1
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.50.30.80.32.10.62.30.51.20.61.50.2
crowded29.72.030.01.825.91.818.71.231.72.325.80.8
normal33.92.038.21.925.51.814.31.116.41.824.90.7
loose10.41.313.11.37.41.18.70.95.71.29.30.5
open13.01.412.21.314.51.417.61.213.01.714.60.6
scattered4.60.93.50.77.71.114.41.113.11.79.10.5
grouped crowded0.50.30.30.25.10.98.20.88.11.44.70.4
grouped normal1.50.50.80.35.91.08.90.98.21.45.30.4
heterogeneous5.91.01.20.45.80.96.80.82.50.84.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.50.30.90.42.10.62.30.51.20.51.60.2
crowded29.91.930.01.825.91.819.11.232.02.226.00.8
normal33.92.038.11.925.71.814.91.117.21.824.90.7
loose10.31.313.11.37.51.18.90.95.81.19.30.5
open13.01.412.21.314.51.417.31.112.51.614.40.6
scattered4.50.93.50.77.61.114.11.012.81.69.00.5
grouped crowded0.50.30.30.25.00.97.90.87.91.34.70.4
grouped normal1.60.50.80.35.80.98.70.88.01.35.30.4
heterogeneous5.81.01.20.45.90.96.80.82.50.84.80.4
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 #162087/148466

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a..0.4100..0.771..1.158
crowded1.550..0.7716.2234.32912.717
normal1.158..1.1585.5253.23310.918
loose....0.41002.8350.7713.830
open0.4100..0.41003.1330.7714.528
scattered......2.1411.1583.133
grouped crowded......1.0580.7711.745
grouped normal0.4100....1.0580.7712.141
heterogeneous....0.41001.7450.41002.438
total3.3330.41002.93524.21211.71742.49
outside perimetern/a1.1581.8454.7288.3201.84517.614
crowded59.1769.3656.6767.7745.08297.73
normal67.5688.2555.9751.9823.312286.83
loose20.81330.21016.21431.6108.120107.06
open25.91128.11131.71063.8718.513168.04
scattered9.1208.12116.91452.2818.713105.06
grouped crowded1.1580.77111.21829.71111.51754.18
grouped normal2.9351.84513.01632.41011.61761.77
heterogeneous11.7172.83512.61724.7123.53155.38
total199.31231.01218.72362.32142.131153.31
totaln/a1.1582.1414.7289.0191.84518.714
crowded60.6769.3657.3773.9649.27310.33
normal68.6688.2557.0757.4726.511297.83
loose20.81330.21016.61434.3108.919110.85
open26.31128.11132.11066.9719.213172.64
scattered9.1208.12116.91454.3819.713108.25
grouped crowded1.1580.77111.21830.71012.21655.98
grouped normal3.3331.84513.01633.41012.31663.87
heterogeneous11.7172.83513.01626.4113.93057.88
total202.61231.31221.62386.51153.821195.81

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162088/148467

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcrown closure %± %± %± %± %± %± %±
inside perimetern/a10.09.5....4.44.39.18.7..2.51.4
crowded39.915.544.411.720.08.029.19.3..36.38.429.84.2
normal30.014.522.29.840.09.84.24.136.614.627.47.825.74.0
loose..5.65.412.06.516.67.69.18.76.14.29.02.6
open10.09.55.65.416.07.316.67.69.18.76.14.210.62.8
scattered....8.05.412.56.79.18.79.15.07.42.4
grouped crowded..11.17.4..4.24.1..6.14.24.21.8
grouped normal10.19.65.65.44.03.9..9.18.76.14.25.02.0
heterogeneous..5.65.4..12.56.718.111.63.03.05.82.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.70.22.10.61.90.72.30.82.70.81.20.61.50.2
crowded29.81.324.41.828.92.421.62.310.01.531.72.325.80.8
normal36.21.422.21.824.02.214.52.011.11.516.41.824.80.7
loose11.90.97.31.17.31.47.11.511.21.65.71.29.30.5
open12.61.015.51.511.61.717.82.221.32.013.01.714.60.6
scattered4.00.69.11.28.11.416.52.116.01.813.11.79.10.5
grouped crowded0.40.26.41.08.21.54.51.28.91.48.11.44.70.4
grouped normal1.10.35.51.07.81.42.91.014.81.78.21.45.40.4
heterogeneous3.30.57.51.12.20.812.61.94.11.02.50.84.80.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.70.22.10.61.80.72.40.82.80.81.20.51.60.2
crowded29.91.325.01.828.42.322.22.39.71.432.02.225.90.7
normal36.21.422.21.725.02.213.81.911.81.617.21.824.90.7
loose11.80.97.21.17.61.37.81.511.11.55.81.19.30.5
open12.51.015.21.511.91.717.72.121.02.012.51.614.50.6
scattered4.00.68.81.28.11.416.22.015.81.812.81.69.10.5
grouped crowded0.40.26.61.07.71.44.51.18.61.47.91.34.70.4
grouped normal1.20.35.50.97.51.32.70.914.61.78.01.35.40.4
heterogeneous3.30.57.41.12.00.712.61.84.51.02.50.84.80.4
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 #162089/148468

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a0.4100....0.41000.4100..1.158
crowded1.4502.9351.7442.437..4.32912.717
normal1.1581.4503.4310.31001.4503.23310.918
loose..0.41001.0581.4500.41000.7713.830
open0.41000.41001.4501.4500.41000.7714.528
scattered....0.7711.0580.41001.1583.133
grouped crowded..0.771..0.3100..0.7711.845
grouped normal0.41000.41000.3100..0.41000.7712.141
heterogeneous..0.4100..1.0580.7710.41002.438
total3.6326.5238.6198.2203.93011.71742.59
outside perimetern/a2.9354.3292.4382.4383.9301.84517.714
crowded128.4549.4837.0823.01114.51545.08297.33
normal155.9445.1830.7915.41416.11423.312286.53
loose51.2814.8159.3197.62116.2148.120107.26
open54.0831.41014.81518.91330.91018.513168.54
scattered17.21418.41410.31817.61323.21218.713105.36
grouped crowded1.84513.01610.5184.82612.91611.51754.48
grouped normal4.72811.2189.9193.13321.41211.61761.97
heterogeneous14.31615.1152.83513.4156.0243.53155.28
total430.41202.72127.83106.23145.02142.131154.11
totaln/a3.2334.3292.4382.8354.2281.84518.714
crowded129.9452.3738.7825.41114.51549.27310.03
normal157.0446.5834.1915.81417.51326.511297.53
loose51.2815.11510.4189.01916.6148.919111.05
open54.4831.71016.21420.31231.21019.213173.04
scattered17.21418.41411.01818.61323.51119.713108.55
grouped crowded1.84513.71610.5185.22512.91612.21656.28
grouped normal5.02711.51710.3183.13321.81212.31664.17
heterogeneous14.31615.5152.83514.5156.7233.93057.68
total434.01209.22136.52114.43148.92153.821196.71

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162090/148469

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncrown closure %± %± %±
Western Juran/a..0.70.40.70.4
crowded37.317.128.02.228.22.2
normal37.317.129.82.230.02.2
loose..9.91.49.71.4
open12.411.716.01.815.91.8
scattered..5.51.15.41.1
grouped crowded..0.70.40.70.4
grouped normal12.912.01.90.72.10.7
heterogeneous..7.51.37.41.3
total100.0.100.0.100.0.
Eastern Juran/a......
crowded100.0.35.54.436.04.4
normal..48.04.547.64.5
loose..12.43.012.33.0
open..2.51.42.51.4
scattered..1.71.21.61.2
grouped crowded......
grouped normal......
heterogeneous......
total100.0.100.0.100.0.
Western Plateaun/a..3.41.73.41.7
crowded..38.84.538.84.5
normal..36.04.436.04.4
loose..8.52.68.52.6
open..7.62.47.62.4
scattered..3.41.73.41.7
grouped crowded..0.80.80.80.8
grouped normal..0.70.70.70.7
heterogeneous..0.80.80.80.8
total..100.0.100.0.
Central Plateaun/a100.0...0.40.4
crowded..29.13.129.03.1
normal..40.13.339.93.3
loose..10.42.010.32.0
open..14.12.314.02.3
scattered..4.51.44.51.4
grouped crowded......
grouped normal..0.50.50.40.4
heterogeneous..1.40.81.30.8
total100.0.100.0.100.0.
Eastern Plateaun/a..0.30.30.30.3
crowded..27.42.527.42.5
normal..37.52.737.52.7
loose..16.72.116.72.1
open..12.61.912.61.9
scattered..2.80.92.80.9
grouped crowded..0.30.30.30.3
grouped normal..0.90.50.90.5
heterogeneous..1.30.61.30.6
total..100.0.100.0.
Western Pre-Alpsn/a..3.31.63.31.6
crowded..25.33.925.13.9
normal..21.33.721.23.7
loose..8.22.58.22.5
open..9.82.79.72.7
scattered..13.23.113.03.0
grouped crowded..11.52.911.42.9
grouped normal..5.82.15.72.1
heterogeneous100.0.1.61.22.41.4
total100.0.100.0.100.0.
Central Pre-Alpsn/a..1.40.71.40.7
crowded50.025.022.02.522.42.5
normal..24.22.623.82.5
loose25.021.76.51.56.81.5
open25.021.720.62.420.62.4
scattered..7.21.67.11.5
grouped crowded..3.31.13.21.1
grouped normal..4.31.24.31.2
heterogeneous..10.51.810.31.8
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a..2.41.12.41.0
crowded..31.33.230.83.2
normal100.0.29.83.230.83.2
loose..8.21.98.11.9
open..9.12.09.02.0
scattered..5.31.65.21.5
grouped crowded..3.81.33.81.3
grouped normal..8.21.98.01.9
heterogeneous..1.91.01.90.9
total100.0.100.0.100.0.
Northwestern Alpsn/a..2.41.22.31.1
crowded46.213.927.63.529.03.4
normal30.812.819.63.120.43.0
loose..8.02.17.42.0
open..11.02.510.22.3
scattered..9.22.38.62.1
grouped crowded15.410.08.02.18.52.1
grouped normal7.77.47.42.17.42.0
heterogeneous..6.82.06.31.8
total100.0.100.0.100.0.
Central Alpsn/a......
crowded8.38.027.65.324.94.7
normal50.014.515.14.220.14.4
loose16.710.87.03.08.43.0
open16.710.812.53.913.13.7
scattered8.38.08.53.38.53.1
grouped crowded..13.94.111.93.5
grouped normal..10.03.68.63.1
heterogeneous..5.52.74.72.3
total100.0.100.0.100.0.
Northeastern Alpsn/a..2.41.62.11.5
crowded40.015.525.64.727.14.6
normal10.09.518.64.217.73.9
loose10.09.55.82.56.22.5
open20.012.716.34.016.73.8
scattered10.09.514.03.813.53.5
grouped crowded..12.83.611.43.3
grouped normal10.09.54.62.35.22.3
heterogeneous......
total100.0.100.0.100.0.
Southwestern Alpsn/a4.44.32.30.82.40.8
crowded29.19.321.62.322.22.3
normal4.24.114.52.013.81.9
loose16.67.67.11.57.81.5
open16.67.617.82.217.72.1
scattered12.56.716.52.116.22.0
grouped crowded4.24.14.51.24.51.1
grouped normal..2.91.02.70.9
heterogeneous12.56.712.61.912.61.8
total100.0.100.0.100.0.
Southeastern Alpsn/a9.18.72.70.82.80.8
crowded..10.01.59.71.4
normal36.614.611.11.511.81.6
loose9.18.711.21.611.11.5
open9.18.721.32.021.02.0
scattered9.18.716.01.815.81.8
grouped crowded..8.91.48.61.4
grouped normal9.18.714.81.714.61.7
heterogeneous18.111.64.11.04.51.0
total100.0.100.0.100.0.
Southern Alpsn/a..1.20.61.20.5
crowded36.38.431.72.332.02.2
normal27.47.816.41.817.21.8
loose6.14.25.71.25.81.1
open6.14.213.01.712.51.6
scattered9.15.013.11.712.81.6
grouped crowded6.14.28.11.47.91.3
grouped normal6.14.28.21.48.01.3
heterogeneous3.03.02.50.82.50.8
total100.0.100.0.100.0.
Switzerlandn/a2.41.41.60.21.60.2
crowded29.94.225.90.826.00.7
normal25.74.024.90.724.90.7
loose9.02.69.30.59.30.5
open10.72.814.50.614.40.6
scattered7.42.49.10.59.00.5
grouped crowded4.11.84.70.44.70.4
grouped normal5.02.05.40.45.30.4
heterogeneous5.82.14.80.44.80.4
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162091/148470

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · crown closure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncrown closure1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..1.1581.158
crowded1.15842.5843.68
normal1.15845.3846.47
loose..15.01515.015
open0.410024.31124.611
scattered..8.3218.321
grouped crowded..1.1581.158
grouped normal0.41002.9353.333
heterogeneous..11.41711.417
total2.935151.82154.72
Eastern Juran/a......
crowded0.410016.91317.312
normal..22.91022.910
loose..5.9245.924
open..1.2571.257
scattered..0.8700.870
grouped crowded......
grouped normal......
heterogeneous......
total0.410047.8248.22
Western Plateaun/a..1.6491.649
crowded..18.91218.912
normal..17.51317.513
loose..4.1304.130
open..3.7323.732
scattered..1.6491.649
grouped crowded..0.41000.4100
grouped normal..0.41000.4100
heterogeneous..0.41000.4100
total..48.7348.73
Central Plateaun/a0.3100..0.3100
crowded..20.01120.011
normal..27.6827.68
loose..7.1207.120
open..9.7179.717
scattered..3.1313.131
grouped crowded......
grouped normal..0.31000.3100
heterogeneous..0.9570.957
total0.310068.8269.12
Eastern Plateaun/a..0.41000.4100
crowded..31.1931.19
normal..42.5742.57
loose..18.91318.913
open..14.31514.315
scattered..3.2333.233
grouped crowded..0.41000.4100
grouped normal..1.1581.158
heterogeneous..1.4501.450
total..113.32113.32
Western Pre-Alpsn/a..1.5491.549
crowded..11.41611.416
normal..9.6189.618
loose..3.7303.730
open..4.4284.428
scattered..5.9235.923
grouped crowded..5.2265.226
grouped normal..2.6372.637
heterogeneous0.41000.7701.157
total0.410045.1445.54
Central Pre-Alpsn/a..1.4501.450
crowded0.77121.91222.611
normal..24.01124.011
loose0.41006.5236.822
open0.410020.41220.812
scattered..7.2227.222
grouped crowded..3.2333.233
grouped normal..4.3284.328
heterogeneous..10.41810.418
total1.45099.32100.82
Eastern Pre-Alpsn/a..1.8441.844
crowded..23.21123.211
normal1.15722.11123.210
loose..6.1236.123
open..6.8226.822
scattered..3.9293.929
grouped crowded..2.9352.935
grouped normal..6.1246.124
heterogeneous..1.4501.450
total1.15774.3375.33
Northwestern Alpsn/a..1.4501.450
crowded2.14016.11318.212
normal1.45011.41612.915
loose..4.6274.627
open..6.4236.423
scattered..5.4255.425
grouped crowded0.7714.7275.425
grouped normal0.41004.3284.727
heterogeneous..3.9303.930
total4.62758.3462.94
Central Alpsn/a......
crowded0.31006.9207.220
normal2.1403.8295.822
loose0.7701.7442.437
open0.7703.1323.829
scattered0.31002.1402.537
grouped crowded..3.5313.531
grouped normal..2.5372.537
heterogeneous..1.4491.449
total4.12725.0829.17
Northeastern Alpsn/a..0.7710.771
crowded1.4497.9209.318
normal0.41005.7236.122
loose0.41001.8442.140
open0.7705.0255.723
scattered0.41004.3284.726
grouped crowded..3.9293.929
grouped normal0.41001.4491.844
heterogeneous......
total3.63030.8634.45
Southwestern Alpsn/a0.41002.4382.835
crowded2.43723.01125.411
normal0.310015.41415.814
loose1.4507.6219.019
open1.45018.91320.312
scattered1.05817.61318.613
grouped crowded0.31004.8265.225
grouped normal..3.1333.133
heterogeneous1.05813.41514.515
total8.220106.23114.43
Southeastern Alpsn/a0.41003.9304.228
crowded..14.51514.515
normal1.45016.11417.513
loose0.410016.21416.614
open0.410030.91031.210
scattered0.410023.21223.511
grouped crowded..12.91612.916
grouped normal0.410021.41221.812
heterogeneous0.7716.0246.723
total3.930145.02148.92
Southern Alpsn/a..1.8451.845
crowded4.32945.0849.27
normal3.23323.31226.511
loose0.7718.1208.919
open0.77118.51319.213
scattered1.15818.71319.713
grouped crowded0.77111.51712.216
grouped normal0.77111.61712.316
heterogeneous0.41003.5313.930
total11.717142.13153.82
Switzerlandn/a1.05818.01419.014
crowded12.817299.33312.13
normal11.018287.53298.43
loose3.830107.56111.35
open4.528167.64172.24
scattered3.133105.36108.45
grouped crowded1.84554.4856.18
grouped normal2.14161.9764.17
heterogeneous2.53855.0857.58
total42.691156.511199.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162092/148471

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand structure %± %± %± %± %± %± %±
inside perimetern/a..50.035.4..4.44.3..2.92.92.51.4
single-layered44.416.6..23.86.641.610.120.012.641.28.533.04.3
multi-layered44.416.650.035.464.37.433.29.629.914.549.98.649.64.5
stratified....11.95.020.88.350.115.85.94.014.03.1
clustered structure11.310.6..........0.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.60.30.70.32.10.52.61.03.00.91.20.51.50.2
single-layered30.72.033.21.737.11.640.43.035.52.637.12.435.30.8
multi-layered57.02.160.11.844.01.630.12.833.42.647.62.548.00.9
stratified11.41.46.00.915.11.226.22.724.12.312.81.614.00.6
clustered structure0.40.3..1.80.40.80.54.11.11.20.61.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.60.30.80.32.00.42.70.92.90.91.40.51.60.2
single-layered30.92.033.11.736.61.540.52.935.02.637.52.335.20.8
multi-layered56.82.160.11.844.81.630.42.733.32.547.82.448.00.8
stratified11.21.46.00.915.01.125.72.524.92.312.31.614.00.6
clustered structure0.60.3..1.70.40.70.54.01.01.10.51.20.2
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 #162093/148472

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a..0.4100..0.4100..0.41001.158
single-layered1.450..3.5313.4310.7715.02614.116
multi-layered1.4500.41009.6192.7351.1586.12421.213
stratified....1.8451.7441.8450.7716.024
clustered structure0.4100..........0.4100
total3.2330.77114.9158.2203.53112.11742.79
outside perimetern/a1.1581.8457.2222.4373.5311.84517.714
single-layered59.1785.65128.1437.7842.4854.27407.12
multi-layered109.94154.93151.7428.11039.9869.56553.92
stratified22.01215.61552.1824.41128.81018.713161.54
clustered structure0.771..6.1240.7714.9261.84514.216
total192.82257.91345.1293.33119.53145.931154.51
totaln/a1.1582.1417.2222.8353.5312.14118.814
single-layered60.6785.65131.6441.1743.1859.27421.22
multi-layered111.34155.33161.3430.8940.9875.55575.22
stratified22.01215.61553.9826.11030.61019.413167.54
clustered structure1.158..6.1240.7714.9261.84514.616
total196.01258.61360.01101.53123.02158.021197.21

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #162094/148473

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstand structure %± %± %±
AGn/a..0.80.80.80.8
single-layered..31.14.231.14.2
multi-layered..62.34.462.34.4
stratified..5.72.15.72.1
clustered structure......
total..100.0.100.0.
AIn/a..6.26.16.26.1
single-layered..61.712.361.712.3
multi-layered..26.011.326.011.3
stratified..6.26.16.26.1
clustered structure......
total..100.0.100.0.
ARn/a......
single-layered..65.19.465.19.4
multi-layered..31.19.331.19.3
stratified..3.83.83.83.8
clustered structure......
total..100.0.100.0.
BEn/a5.95.71.80.62.00.6
single-layered23.410.336.92.236.52.1
multi-layered46.912.145.82.345.92.2
stratified17.69.214.41.614.51.6
clustered structure6.36.11.00.51.20.5
total100.0.100.0.100.0.
BL/BSn/a......
single-layered..24.16.123.66.0
multi-layered100.0.73.96.374.46.2
stratified..2.02.02.02.0
clustered structure......
total100.0.100.0.100.0.
FRn/a..2.61.52.61.5
single-layered..31.94.331.94.3
multi-layered..60.34.660.34.6
stratified..4.31.94.31.9
clustered structure..0.90.90.90.9
total..100.0.100.0.
GEn/a..14.814.614.814.6
single-layered..14.814.614.814.6
multi-layered..70.518.770.518.7
stratified......
clustered structure......
total..100.0.100.0.
GLn/a......
single-layered28.617.235.27.634.27.0
multi-layered71.417.240.07.844.77.3
stratified..19.96.416.95.5
clustered structure..4.83.34.12.8
total100.0.100.0.100.0.
GRn/a4.74.62.80.82.90.7
single-layered33.410.336.42.236.32.1
multi-layered33.210.335.82.235.72.1
stratified28.79.920.91.821.21.8
clustered structure..4.10.93.90.9
total100.0.100.0.100.0.
JUn/a......
single-layered66.727.328.34.929.64.9
multi-layered33.327.461.15.360.15.2
stratified..10.63.410.33.3
clustered structure......
total100.0.100.0.100.0.
LUn/a..0.80.80.80.8
single-layered..41.94.441.94.4
multi-layered..47.14.447.14.4
stratified..9.42.69.42.6
clustered structure..0.80.80.80.8
total..100.0.100.0.
NEn/a......
single-layered..17.94.217.94.2
multi-layered..50.35.450.35.4
stratified..30.74.930.74.9
clustered structure..1.11.11.11.1
total..100.0.100.0.
NWn/a......
single-layered..31.610.930.010.5
multi-layered100.0.47.411.750.011.4
stratified..15.88.515.08.2
clustered structure..5.35.25.05.0
total100.0.100.0.100.0.
OWn/a..3.62.53.52.4
single-layered..39.86.838.36.6
multi-layered50.035.732.26.532.86.4
stratified50.035.720.85.621.85.6
clustered structure..3.62.53.52.4
total100.0.100.0.100.0.
SGn/a..1.30.91.20.9
single-layered20.017.935.33.934.83.8
multi-layered80.017.953.64.054.54.0
stratified..9.82.49.52.3
clustered structure......
total100.0.100.0.100.0.
SHn/a......
single-layered..44.48.344.48.3
multi-layered..55.68.355.68.3
stratified......
clustered structure......
total..100.0.100.0.
SOn/a......
single-layered50.035.520.54.421.24.4
multi-layered50.035.573.54.972.94.8
stratified..6.02.65.92.6
clustered structure......
total100.0.100.0.100.0.
SZn/a..3.92.23.72.1
single-layered..38.95.637.05.4
multi-layered100.0.45.45.748.15.6
stratified..11.73.711.13.5
clustered structure......
total100.0.100.0.100.0.
TGn/a......
single-layered..24.85.124.85.1
multi-layered..69.75.469.75.4
stratified..5.52.75.52.7
clustered structure......
total..100.0.100.0.
TIn/a..0.60.40.60.4
single-layered39.110.236.12.736.32.6
multi-layered56.510.349.72.850.12.7
stratified4.34.312.61.812.01.7
clustered structure..1.00.50.90.5
total100.0.100.0.100.0.
URn/a......
single-layered44.416.725.56.428.56.1
multi-layered44.416.750.97.349.96.7
stratified11.110.523.66.321.75.6
clustered structure......
total100.0.100.0.100.0.
VDn/a..1.10.71.10.7
single-layered..38.03.037.73.0
multi-layered100.0.49.93.150.33.1
stratified..10.21.910.21.9
clustered structure..0.80.50.80.5
total100.0.100.0.100.0.
VSn/a4.44.32.30.82.40.8
single-layered41.610.142.72.842.62.7
multi-layered33.29.630.42.630.62.5
stratified20.88.324.02.423.82.3
clustered structure..0.70.50.60.4
total100.0.100.0.100.0.
ZGn/a..6.86.86.86.8
single-layered..32.412.432.412.4
multi-layered..47.313.347.313.3
stratified..13.59.213.59.2
clustered structure......
total..100.0.100.0.
ZHn/a......
single-layered..27.23.727.23.7
multi-layered..65.33.965.33.9
stratified..7.52.27.52.2
clustered structure......
total..100.0.100.0.
Switzerlandn/a2.51.41.50.21.60.2
single-layered32.94.335.20.835.10.8
multi-layered50.04.548.20.948.20.8
stratified13.83.113.90.613.90.6
clustered structure0.90.91.20.21.20.2
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162095/148474

NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stand structure · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstand structure1000 ha± %1000 ha± %1000 ha± %
AGn/a..0.41000.4100
single-layered..15.31415.314
multi-layered..30.6730.67
stratified..2.8372.837
clustered structure......
total..49.1249.12
AIn/a..0.31000.3100
single-layered..3.2213.221
multi-layered..1.4481.448
stratified..0.31000.3100
clustered structure......
total..5.2125.212
ARn/a......
single-layered..5.5145.514
multi-layered..2.6322.632
stratified..0.31000.3100
clustered structure......
total..8.468.46
BEn/a0.31003.1333.431
single-layered1.45061.8663.16
multi-layered2.73576.7579.45
stratified1.05824.01125.011
clustered structure0.41001.7452.141
total5.824167.32173.12
BL/BSn/a......
single-layered..4.9264.926
multi-layered0.410015.01015.410
stratified..0.41000.4100
clustered structure......
total0.410020.3520.75
FRn/a..1.1571.157
single-layered..13.81413.814
multi-layered..26.1826.18
stratified..1.9441.944
clustered structure..0.41000.4100
total..43.3343.33
GEn/a..0.51000.5100
single-layered..0.51000.5100
multi-layered..2.2342.234
stratified......
clustered structure......
total..3.1203.120
GLn/a......
single-layered0.8705.4236.221
multi-layered1.9436.1228.118
stratified..3.0343.034
clustered structure..0.7710.771
total2.73615.31018.07
GRn/a0.31004.9265.225
single-layered2.53862.5665.06
multi-layered2.43861.4663.96
stratified2.14135.8937.99
clustered structure..7.0227.022
total7.421171.62179.02
JUn/a......
single-layered0.8709.41810.117
multi-layered0.410020.21020.69
stratified..3.5323.532
clustered structure......
total1.25733.0434.23
LUn/a..0.31000.3100
single-layered..17.11117.111
multi-layered..19.21019.210
stratified..3.8283.828
clustered structure..0.31000.3100
total..40.7340.73
NEn/a......
single-layered..5.0255.025
multi-layered..14.21114.211
stratified..8.6168.616
clustered structure..0.31000.3100
total..28.2428.24
NWn/a......
single-layered..2.3362.336
multi-layered0.41003.5263.824
stratified..1.2551.255
clustered structure..0.41000.4100
total0.41007.3107.78
OWn/a..0.7710.771
single-layered..7.8187.818
multi-layered0.41006.3216.720
stratified0.41004.1284.526
clustered structure..0.7710.771
total0.77019.6620.45
SGn/a..0.7710.771
single-layered0.410019.51219.912
multi-layered1.45029.6831.18
stratified..5.4255.425
clustered structure......
total1.84455.3457.14
SHn/a......
single-layered..5.7195.719
multi-layered..7.1157.115
stratified......
clustered structure......
total..12.8312.83
SOn/a......
single-layered0.41006.4226.821
multi-layered0.410023.1823.57
stratified..1.9441.944
clustered structure......
total0.87031.4432.23
SZn/a..1.1571.157
single-layered..10.91510.915
multi-layered1.44912.71314.112
stratified..3.3323.332
clustered structure......
total1.44927.9529.34
TGn/a......
single-layered..5.4215.421
multi-layered..15.1915.19
stratified..1.2491.249
clustered structure......
total..21.7421.74
TIn/a..0.7710.771
single-layered3.23341.7844.98
multi-layered4.72757.3662.06
stratified0.410014.51514.915
clustered structure..1.1581.158
total8.220115.43123.62
URn/a......
single-layered1.3494.0275.323
multi-layered1.3498.0189.316
stratified0.31003.7294.127
clustered structure......
total3.03115.71118.78
VDn/a..1.1581.158
single-layered..37.8837.88
multi-layered0.87149.7750.46
stratified..10.21910.219
clustered structure..0.8710.871
total0.87199.62100.32
VSn/a0.41002.4382.835
single-layered3.43145.4748.87
multi-layered2.73532.3935.09
stratified1.74425.51127.210
clustered structure..0.7710.771
total8.220106.23114.43
ZGn/a..0.41000.4100
single-layered..2.1402.140
multi-layered..3.0283.028
stratified..0.9680.968
clustered structure......
total..6.376.37
ZHn/a......
single-layered..14.11414.114
multi-layered..33.9633.96
stratified..3.9293.929
clustered structure......
total..51.8251.82
Switzerlandn/a1.15817.81418.814
single-layered14.116407.32421.42
multi-layered21.413557.22578.62
stratified5.924160.34166.24
clustered structure0.410014.11614.516
total42.891156.611199.51

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #162096/148475
search result: 155765 entries on 6491 pages

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