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NFI3

forest area: avalanches SilvaProtect, modelled and assigned · crown closure · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncrown closure %± %± %±
Western Juran/a..1.00.51.00.5
crowded46.013.823.02.123.72.1
normal30.712.829.72.329.72.2
loose..16.61.816.01.8
open15.310.015.61.815.61.8
scattered8.07.68.21.48.21.3
grouped crowded..1.50.61.40.6
grouped normal..2.00.71.90.7
heterogeneous..2.50.82.40.7
total100.0.100.0.100.0.
Eastern Juran/a..2.51.42.51.4
crowded..43.64.643.64.6
normal..34.54.434.54.4
loose..10.92.910.92.9
open..5.92.25.92.2
scattered..2.51.42.51.4
grouped crowded......
grouped normal......
heterogeneous......
total..100.0.100.0.
Western Plateaun/a..5.22.15.22.1
crowded..26.14.126.14.1
normal..33.14.433.14.4
loose..13.93.213.93.2
open..9.52.79.52.7
scattered..6.12.26.12.2
grouped crowded..3.51.73.51.7
grouped normal..2.61.52.61.5
heterogeneous......
total..100.0.100.0.
Central Plateaun/a..2.71.12.71.1
crowded..28.13.028.13.0
normal..36.63.236.63.2
loose..15.42.415.42.4
open..11.32.111.32.1
scattered..3.61.33.61.3
grouped crowded..0.50.50.50.5
grouped normal......
heterogeneous..1.80.91.80.9
total..100.0.100.0.
Eastern Plateaun/a..1.90.81.90.8
crowded..24.72.524.72.5
normal..41.92.841.92.8
loose..14.02.014.02.0
open..12.31.912.31.9
scattered..3.21.03.21.0
grouped crowded..0.60.50.60.5
grouped normal......
heterogeneous..1.30.61.30.6
total..100.0.100.0.
Western Pre-Alpsn/a37.117.15.82.38.12.6
crowded37.717.215.63.617.13.6
normal12.611.831.14.629.84.3
loose..13.63.412.63.2
open..12.63.311.73.1
scattered..7.72.67.22.5
grouped crowded..7.82.77.22.5
grouped normal..1.01.00.90.9
heterogeneous12.611.84.82.15.42.1
total100.0.100.0.100.0.
Central Pre-Alpsn/a..4.11.33.81.2
crowded26.310.118.02.518.62.4
normal15.88.425.72.825.02.7
loose..14.72.313.62.1
open15.88.417.12.417.02.3
scattered5.35.18.61.88.31.7
grouped crowded15.88.45.31.46.11.5
grouped normal10.57.12.91.13.41.1
heterogeneous10.57.13.71.24.21.2
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a..3.21.33.11.2
crowded25.015.327.63.327.53.2
normal25.015.324.33.224.43.1
loose..9.22.18.82.0
open50.017.718.42.819.72.9
scattered..8.12.07.81.9
grouped crowded..3.21.33.11.3
grouped normal..3.21.33.11.3
heterogeneous..2.71.22.61.1
total100.0.100.0.100.0.
Northwestern Alpsn/a6.94.73.21.63.91.6
crowded27.68.316.93.418.93.2
normal24.18.025.83.925.53.5
loose..8.12.46.52.0
open3.43.414.53.212.42.7
scattered13.86.48.12.59.22.3
grouped crowded3.43.410.52.89.22.3
grouped normal3.43.48.92.67.92.2
heterogeneous17.27.04.01.86.52.0
total100.0.100.0.100.0.
Central Alpsn/a..2.02.01.61.6
crowded14.39.428.26.425.25.5
normal21.411.017.95.418.74.9
loose21.411.015.95.217.14.7
open28.612.118.15.520.45.1
scattered7.16.98.03.87.83.4
grouped crowded..6.03.44.72.6
grouped normal..4.02.83.12.2
heterogeneous7.16.9..1.61.6
total100.0.100.0.100.0.
Northeastern Alpsn/a5.95.76.43.16.32.7
crowded47.112.133.36.036.25.4
normal11.87.814.34.413.73.9
loose..7.93.46.22.7
open5.95.715.94.613.83.9
scattered11.87.89.53.710.03.4
grouped crowded5.95.77.93.47.53.0
grouped normal..1.61.61.21.2
heterogeneous11.87.83.22.25.02.4
total100.0.100.0.100.0.
Southwestern Alpsn/a2.92.01.00.71.50.7
crowded14.14.112.42.312.82.0
normal12.73.916.82.615.72.2
loose14.14.110.92.211.82.0
open21.14.817.82.718.72.4
scattered5.62.712.42.310.61.9
grouped crowded12.73.912.92.412.82.0
grouped normal11.33.811.42.211.41.9
heterogeneous5.62.74.51.54.81.3
total100.0.100.0.100.0.
Southeastern Alpsn/a2.32.21.70.81.80.7
crowded11.44.813.22.013.01.8
normal22.76.316.32.217.12.1
loose9.14.310.91.810.61.7
open18.25.818.62.318.52.1
scattered2.32.215.62.113.91.9
grouped crowded6.83.87.81.67.71.4
grouped normal13.65.27.81.68.51.5
heterogeneous13.65.28.11.68.91.5
total100.0.100.0.100.0.
Southern Alpsn/a2.92.81.00.61.20.6
crowded11.45.426.82.625.22.4
normal14.56.022.52.421.72.2
loose11.45.411.91.911.91.8
open22.87.114.32.015.12.0
scattered2.92.87.31.56.81.4
grouped crowded8.64.77.61.57.71.5
grouped normal14.35.94.01.15.01.2
heterogeneous11.45.44.61.25.31.2
total100.0.100.0.100.0.
Switzerlandn/a3.91.22.40.32.60.3
crowded20.72.522.90.822.70.8
normal17.92.427.40.826.60.8
loose8.01.712.90.612.50.6
open17.72.414.70.715.00.6
scattered5.81.58.00.57.80.5
grouped crowded7.71.74.90.45.10.4
grouped normal8.51.73.50.33.90.4
heterogeneous9.71.83.30.33.80.3
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160217/146596

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · crown closure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regioncrown closure1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..1.4501.450
crowded2.14133.2935.39
normal1.45042.8844.38
loose..23.91123.911
open0.77122.51223.212
scattered0.410011.81712.217
grouped crowded..2.2412.241
grouped normal..2.9352.935
heterogeneous..3.6313.631
total4.627144.22148.92
Eastern Juran/a..1.2571.257
crowded..20.51120.511
normal..16.21316.213
loose..5.1265.126
open..2.8372.837
scattered..1.2571.257
grouped crowded......
grouped normal......
heterogeneous......
total..47.0347.03
Western Plateaun/a..2.5402.540
crowded..12.31612.316
normal..15.61415.614
loose..6.5246.524
open..4.5294.529
scattered..2.9372.937
grouped crowded..1.6491.649
grouped normal..1.2571.257
heterogeneous......
total..47.2447.24
Central Plateaun/a..1.9401.940
crowded..19.31119.311
normal..25.2925.29
loose..10.61610.616
open..7.7197.719
scattered..2.5352.535
grouped crowded..0.31000.3100
grouped normal......
heterogeneous..1.2501.250
total..68.7268.72
Eastern Plateaun/a..2.1412.141
crowded..27.21027.210
normal..46.1746.17
loose..15.41415.414
open..13.61513.615
scattered..3.6313.631
grouped crowded..0.7710.771
grouped normal......
heterogeneous..1.4501.450
total..110.12110.12
Western Pre-Alpsn/a1.1582.2403.333
crowded1.1575.9237.021
normal0.410011.91512.215
loose..5.2265.226
open..4.8264.826
scattered..2.9352.935
grouped crowded..3.0343.034
grouped normal..0.41000.4100
heterogeneous0.41001.8442.240
total2.93538.1541.14
Central Pre-Alpsn/a..3.6313.631
crowded1.84415.81417.613
normal1.15822.61123.711
loose..12.91612.916
open1.15815.11416.114
scattered0.41007.5217.921
grouped crowded1.1584.7275.724
grouped normal0.7712.5373.233
heterogeneous0.7713.2333.930
total6.82287.8394.72
Eastern Pre-Alpsn/a..2.1412.141
crowded0.77118.21218.912
normal0.77116.11316.813
loose..6.1236.123
open1.45012.11613.615
scattered..5.4255.425
grouped crowded..2.1402.140
grouped normal..2.1402.140
heterogeneous..1.8441.844
total2.93566.1368.93
Northwestern Alpsn/a0.7711.4502.140
crowded2.9357.52110.417
normal2.53711.41613.914
loose..3.6313.631
open0.41006.4236.822
scattered1.4503.6315.026
grouped crowded0.41004.7275.026
grouped normal0.41003.9304.328
heterogeneous1.8441.8443.631
total10.41744.3654.74
Central Alpsn/a..0.31000.3100
crowded0.7704.9265.624
normal1.0573.1324.127
loose1.0572.7343.829
open1.4493.1324.526
scattered0.31001.4491.744
grouped crowded..1.0571.057
grouped normal..0.7700.770
heterogeneous0.3100..0.3100
total4.82517.31122.18
Northeastern Alpsn/a0.41001.4501.844
crowded2.9347.52010.416
normal0.7703.2323.929
loose..1.8441.844
open0.41003.6313.929
scattered0.7702.1402.934
grouped crowded0.41001.8442.140
grouped normal..0.41000.4100
heterogeneous0.7700.7701.449
total6.12222.6928.76
Southwestern Alpsn/a0.7710.7711.450
crowded3.4318.61912.016
normal3.13311.71614.714
loose3.4317.62111.017
open5.12512.31617.513
scattered1.4508.6199.918
grouped crowded3.1338.91912.016
grouped normal2.7357.92010.717
heterogeneous1.4503.1334.527
total24.41169.3593.73
Southeastern Alpsn/a0.41001.8452.141
crowded1.84513.71515.514
normal3.53116.91420.412
loose1.45011.21712.616
open2.83519.21322.012
scattered0.410016.21416.514
grouped crowded1.1588.1209.119
grouped normal2.1418.02010.218
heterogeneous2.1418.42010.518
total15.514103.63119.03
Southern Alpsn/a0.41001.1581.450
crowded1.45028.71030.110
normal1.84524.01125.811
loose1.45012.81614.215
open2.83515.21518.113
scattered0.41007.8218.220
grouped crowded1.1588.2209.219
grouped normal1.8454.3296.024
heterogeneous1.4504.9266.323
total12.416106.94119.33
Switzerlandn/a3.63223.81227.311
crowded18.814223.24242.03
normal16.215266.83283.03
loose7.322125.45132.75
open16.115143.05159.14
scattered5.32677.4782.76
grouped crowded7.02247.2854.28
grouped normal7.72134.31042.09
heterogeneous8.82032.01040.89
total90.86973.211063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160218/146597

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · stand structure · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstand structure %± %± %± %± %± %± %±
inside perimetern/a....5.82.33.12.12.72.72.72.73.91.2
single-layered15.410.0..46.14.940.36.045.98.237.98.041.83.1
multi-layered53.813.8..28.84.431.35.713.55.624.47.127.92.8
stratified30.912.8..14.43.423.95.232.47.732.47.722.92.6
clustered structure....4.82.11.51.55.43.72.72.73.51.1
total100.0...100.0.100.0.100.0.100.0.100.0.
outside perimetern/a1.00.43.10.63.90.71.10.81.70.81.00.62.40.3
single-layered33.02.139.01.836.81.743.93.740.53.258.62.839.90.9
multi-layered51.42.251.81.936.71.736.13.625.82.826.12.541.30.9
stratified13.91.56.10.919.31.416.72.828.62.914.02.014.90.7
clustered structure0.80.4..3.30.62.31.13.31.20.30.31.60.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a1.00.43.10.64.10.71.60.81.80.81.20.62.60.3
single-layered32.62.039.01.837.91.642.93.241.33.056.42.740.00.9
multi-layered51.42.251.81.935.81.634.83.024.12.625.92.440.10.9
stratified14.31.56.10.918.71.318.62.529.22.716.02.015.50.7
clustered structure0.80.4..3.50.62.00.93.61.10.60.41.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160219/146598

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · stand structure · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a....2.1410.7710.41000.41003.532
single-layered0.771..17.0149.2186.0245.02638.09
multi-layered2.538..10.6187.2211.8443.23325.312
stratified1.450..5.3265.5244.2284.32920.713
clustered structure....1.8450.31000.7710.41003.233
total4.727..36.9922.91113.11613.21690.86
outside perimetern/a1.8457.82110.8180.7711.4501.15823.512
single-layered60.9699.05102.2527.11033.9964.06387.13
multi-layered94.85131.64101.9522.21121.61228.510400.62
stratified25.61115.61553.6810.31824.01115.315144.25
clustered structure1.450..9.2191.4502.8350.410015.215
total184.52253.91277.7261.6583.64109.24970.61
totaln/a1.8457.82112.9171.4501.8441.45027.111
single-layered61.6699.05119.2536.3839.9869.06425.02
multi-layered97.34131.64112.6529.4923.31131.710425.92
stratified27.01115.61558.9715.81428.21019.513164.94
clustered structure1.450..11.0181.7453.5310.77118.414
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160220/146599

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · stand structure · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstand structure %± %± %±
AGn/a..2.51.42.51.4
single-layered..47.94.547.94.5
multi-layered..44.64.544.64.5
stratified..5.02.05.02.0
clustered structure......
total..100.0.100.0.
AIn/a......
single-layered100.0.50.014.860.012.9
multi-layered..50.014.840.013.0
stratified......
clustered structure......
total100.0.100.0.100.0.
ARn/a......
single-layered100.0.70.89.372.09.0
multi-layered..20.88.420.08.1
stratified..4.24.24.04.0
clustered structure..4.24.24.04.0
total100.0.100.0.100.0.
BEn/a9.94.73.00.83.60.9
single-layered46.27.833.02.334.22.2
multi-layered17.05.940.62.438.62.2
stratified24.56.720.31.920.71.9
clustered structure2.42.43.00.83.00.8
total100.0.100.0.100.0.
BL/BSn/a..2.12.12.12.1
single-layered..21.46.021.46.0
multi-layered..70.16.770.16.7
stratified..6.43.66.43.6
clustered structure......
total..100.0.100.0.
FRn/a33.327.35.62.26.42.3
single-layered33.327.338.34.738.24.7
multi-layered..40.24.839.14.7
stratified33.327.315.93.516.43.5
clustered structure......
total100.0.100.0.100.0.
GEn/a......
single-layered......
multi-layered..100.0.100.0.
stratified......
clustered structure......
total..100.0.100.0.
GLn/a10.09.63.23.24.93.4
single-layered50.015.935.58.739.07.7
multi-layered10.09.648.49.039.07.7
stratified20.012.812.96.114.65.6
clustered structure10.09.6..2.42.4
total100.0.100.0.100.0.
GRn/a1.81.82.00.72.00.7
single-layered44.76.744.12.644.22.5
multi-layered19.65.326.22.325.32.2
stratified30.36.124.42.325.22.2
clustered structure3.62.53.41.03.40.9
total100.0.100.0.100.0.
JUn/a..2.41.72.31.6
single-layered..28.34.927.64.8
multi-layered100.0.62.45.263.35.1
stratified..7.02.86.82.7
clustered structure......
total100.0.100.0.100.0.
LUn/a..4.11.84.01.8
single-layered100.0.36.54.437.54.3
multi-layered..49.64.548.84.5
stratified..9.12.68.92.6
clustered structure..0.80.80.80.8
total100.0.100.0.100.0.
NEn/a......
single-layered..26.74.925.74.8
multi-layered33.327.433.05.233.05.1
stratified66.727.337.95.438.95.3
clustered structure..2.41.72.31.6
total100.0.100.0.100.0.
NWn/a......
single-layered..64.313.052.912.3
multi-layered100.0.28.612.341.212.2
stratified..7.17.05.95.8
clustered structure......
total100.0.100.0.100.0.
OWn/a..6.33.65.73.2
single-layered..34.87.131.46.6
multi-layered40.022.18.74.211.84.6
stratified20.018.139.27.237.36.8
clustered structure40.022.110.94.613.74.9
total100.0.100.0.100.0.
SGn/a..3.91.73.61.6
single-layered60.015.533.14.235.14.1
multi-layered30.014.556.74.454.84.3
stratified10.09.56.32.26.62.1
clustered structure......
total100.0.100.0.100.0.
SHn/a..2.82.82.82.8
single-layered..41.78.341.78.3
multi-layered..52.88.452.88.4
stratified..2.82.82.82.8
clustered structure......
total..100.0.100.0.
SOn/a..1.21.21.21.2
single-layered..34.95.234.95.2
multi-layered..61.45.461.45.4
stratified..2.41.72.41.7
clustered structure......
total..100.0.100.0.
SZn/a..3.12.22.82.0
single-layered16.715.340.06.138.05.8
multi-layered83.315.243.16.246.56.0
stratified..9.23.68.43.3
clustered structure..4.62.64.22.4
total100.0.100.0.100.0.
TGn/a..1.41.41.41.4
single-layered..34.25.734.25.7
multi-layered..58.75.958.75.9
stratified..5.72.85.72.8
clustered structure......
total..100.0.100.0.
TIn/a4.34.30.40.40.70.5
single-layered30.49.660.03.157.43.0
multi-layered34.910.027.02.827.72.7
stratified26.09.212.62.113.82.1
clustered structure4.34.3..0.40.4
total100.0.100.0.100.0.
URn/a..2.92.92.32.3
single-layered55.616.732.08.036.97.4
multi-layered33.315.841.98.540.17.5
stratified11.110.523.27.320.76.2
clustered structure......
total100.0.100.0.100.0.
VDn/a..2.61.02.41.0
single-layered30.014.537.73.237.43.1
multi-layered50.015.845.33.245.53.2
stratified10.09.513.62.213.42.2
clustered structure10.09.50.90.61.20.7
total100.0.100.0.100.0.
VSn/a2.92.01.00.71.50.7
single-layered42.25.943.63.543.23.0
multi-layered29.65.436.63.434.82.9
stratified23.95.116.82.618.72.4
clustered structure1.41.42.01.01.90.8
total100.0.100.0.100.0.
ZGn/a..15.410.415.410.4
single-layered..23.112.123.112.1
multi-layered..46.214.346.214.3
stratified..15.410.415.410.4
clustered structure......
total..100.0.100.0.
ZHn/a..2.11.22.11.2
single-layered..42.74.142.74.1
multi-layered..50.34.250.34.2
stratified..4.91.84.91.8
clustered structure......
total..100.0.100.0.
Switzerlandn/a3.91.22.40.32.60.3
single-layered41.53.139.90.940.00.9
multi-layered28.22.841.40.940.30.9
stratified22.82.614.70.715.40.6
clustered structure3.61.21.50.21.70.2
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #160221/146600

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · stand structure · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonstand structure1000 ha± %1000 ha± %1000 ha± %
AGn/a..1.2571.257
single-layered..23.31023.310
multi-layered..21.71021.710
stratified..2.4402.440
clustered structure......
total..48.7248.72
AIn/a......
single-layered1.0541.9342.924
multi-layered..1.9341.934
stratified......
clustered structure......
total1.0543.9174.811
ARn/a......
single-layered0.31005.5145.813
multi-layered..1.6411.641
stratified..0.31000.3100
clustered structure..0.31000.3100
total0.31007.768.05
BEn/a1.4504.4275.824
single-layered6.52348.9755.47
multi-layered2.43860.2662.66
stratified3.43130.11033.69
clustered structure0.31004.5274.826
total14.115148.22162.32
BL/BSn/a..0.41000.4100
single-layered..4.1294.129
multi-layered..13.41213.412
stratified..1.2571.257
clustered structure......
total..19.1619.16
FRn/a0.41002.2402.637
single-layered0.410015.31315.713
multi-layered..16.11216.112
stratified0.41006.4236.722
clustered structure......
total1.15740.0441.13
GEn/a......
single-layered......
multi-layered..2.2342.234
stratified......
clustered structure......
total..2.2342.234
GLn/a0.41000.41000.870
single-layered1.9434.2276.221
multi-layered0.41005.8226.221
stratified0.8701.5492.339
clustered structure0.4100..0.4100
total3.92911.91215.88
GRn/a0.31002.4382.835
single-layered8.72054.1762.86
multi-layered3.83032.11036.09
stratified5.92429.91035.99
clustered structure0.7714.2294.926
total19.613122.83142.33
JUn/a..0.8700.870
single-layered..9.4189.418
multi-layered0.87020.7921.48
stratified..2.3402.340
clustered structure......
total0.87033.1333.93
LUn/a..1.6441.644
single-layered0.67014.11214.712
multi-layered..19.21019.210
stratified..3.5293.529
clustered structure..0.31000.3100
total0.67038.7339.33
NEn/a......
single-layered..7.0197.019
multi-layered0.31008.7179.016
stratified0.67010.01510.614
clustered structure..0.6700.670
total1.05726.4527.44
NWn/a......
single-layered..3.5263.526
multi-layered1.2551.5462.732
stratified..0.41000.4100
clustered structure......
total1.2555.4176.513
OWn/a..1.1571.157
single-layered..6.0216.021
multi-layered0.7701.5492.239
stratified0.41006.7197.119
clustered structure0.7701.9432.636
total1.94317.2619.04
SGn/a..1.8451.845
single-layered2.24015.21417.412
multi-layered1.15726.0927.19
stratified0.41002.9353.333
clustered structure......
total3.63145.9549.54
SHn/a..0.41000.4100
single-layered..5.3205.320
multi-layered..6.8166.816
stratified..0.41000.4100
clustered structure......
total..12.8312.83
SOn/a..0.41000.4100
single-layered..11.01511.015
multi-layered..19.31019.310
stratified..0.8700.870
clustered structure......
total..31.4431.44
SZn/a..0.7700.770
single-layered0.41009.4169.816
multi-layered1.84410.11611.914
stratified..2.2402.240
clustered structure..1.1571.157
total2.24023.5625.75
TGn/a..0.31000.3100
single-layered..7.2177.217
multi-layered..12.31112.311
stratified..1.2491.249
clustered structure......
total..21.0421.04
TIn/a0.41000.41000.771
single-layered2.53752.6755.16
multi-layered2.93523.71126.611
stratified2.14111.11713.216
clustered structure0.4100..0.4100
total8.32087.6495.94
URn/a..0.31000.3100
single-layered1.7433.6285.322
multi-layered1.0574.8255.723
stratified0.31002.6343.031
clustered structure......
total3.03111.41414.311
VDn/a..2.3402.340
single-layered1.15833.7934.89
multi-layered1.94440.5842.47
stratified0.410012.11712.516
clustered structure0.41000.8711.158
total3.83189.4393.23
VSn/a0.7710.7711.450
single-layered10.31830.2940.58
multi-layered7.22125.41032.69
stratified5.82411.71617.513
clustered structure0.31001.4501.745
total24.41169.3593.73
ZGn/a..0.9680.968
single-layered..1.3531.353
multi-layered..2.6322.632
stratified..0.9680.968
clustered structure......
total..5.695.69
ZHn/a..1.1571.157
single-layered..21.51021.510
multi-layered..25.4925.49
stratified..2.5372.537
clustered structure......
total..50.4250.42
Switzerlandn/a3.63223.71227.211
single-layered37.69388.33425.92
multi-layered25.512403.52429.02
stratified20.613143.15163.74
clustered structure3.33315.01518.314
total90.46973.611064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #160222/146601

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · stand structure · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstand structure %± %± %± %± %± %±
inside perimetern/a....8.54.73.51.42.92.83.91.2
single-layered15.410.0..42.98.444.63.837.28.241.83.1
multi-layered53.913.8..25.77.426.83.425.87.428.02.8
stratified30.712.8..14.35.922.33.131.47.822.92.6
clustered structure....8.64.72.91.32.92.83.51.1
total100.0...100.0.100.0.100.0.100.0.
outside perimetern/a1.30.52.80.64.10.92.20.51.00.62.40.3
single-layered33.52.139.11.935.12.141.11.858.32.839.80.9
multi-layered51.42.251.62.039.42.132.31.726.52.541.30.9
stratified13.01.56.51.019.31.720.71.513.92.014.90.7
clustered structure0.80.4..2.10.63.70.70.30.31.60.2
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a1.30.52.80.64.40.92.40.51.20.62.50.3
single-layered33.02.039.11.935.62.041.81.656.12.740.00.9
multi-layered51.52.251.62.038.62.031.21.526.52.440.20.9
stratified13.41.56.51.019.01.621.01.415.72.015.50.7
clustered structure0.70.4..2.50.73.50.60.60.41.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160223/146602

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · stand structure · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a....1.1582.1410.41003.532
single-layered0.771..5.42626.9114.62737.79
multi-layered2.638..3.23316.2143.23325.212
stratified1.550..1.84513.5163.93020.613
clustered structure....1.1581.7450.41003.233
total4.727..12.61660.5712.41690.36
outside perimetern/a2.6386.3237.9215.6251.15823.412
single-layered63.9688.6567.46104.5562.36386.63
multi-layered98.25116.7475.7682.1628.410401.02
stratified24.81114.81537.1952.6814.815144.15
clustered structure1.550..4.0309.4190.410015.215
total190.92226.31192.12254.22106.94970.41
totaln/a2.6386.3239.0207.7211.45027.011
single-layered64.6688.6572.86131.4466.96424.32
multi-layered100.84116.7478.9698.3531.610426.32
stratified26.31114.81538.9966.1718.713164.84
clustered structure1.550..5.02611.1180.77118.414
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160224/146603

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · stand structure · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstand structure %± %± %± %± %± %± %±
inside perimetern/a..8.93.82.62.52.92.02.32.22.92.83.91.2
single-layered15.410.041.16.653.88.042.25.943.27.537.28.241.83.1
multi-layered53.813.823.25.630.87.429.65.422.76.325.87.427.92.8
stratified30.812.819.65.310.34.923.95.127.36.731.47.822.92.6
clustered structure..7.13.42.62.51.41.44.53.12.92.83.51.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a2.10.44.20.93.91.21.00.71.70.81.00.62.40.3
single-layered36.61.433.32.239.42.843.63.542.72.958.32.839.80.9
multi-layered51.51.533.72.245.72.936.63.426.52.626.52.541.30.9
stratified9.40.924.82.09.71.716.82.625.42.513.92.014.90.7
clustered structure0.30.24.00.91.30.72.01.03.71.10.30.31.60.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a2.10.44.70.93.71.11.50.71.80.71.20.62.60.3
single-layered36.41.434.12.141.12.743.23.042.82.756.12.740.00.9
multi-layered51.51.532.62.043.92.734.82.926.02.426.52.440.10.9
stratified9.70.924.21.99.81.618.72.425.62.415.72.015.60.7
clustered structure0.30.24.40.91.50.71.90.83.81.00.60.41.70.2
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 #160225/146604

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · stand structure · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstand structure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimetern/a..1.8450.31000.7710.41000.41003.632
single-layered0.7718.3207.22110.3186.7224.62737.89
multi-layered2.5384.7274.1287.2213.5313.23325.212
stratified1.4504.0301.4505.8244.2283.93020.713
clustered structure..1.4500.31000.31000.7710.41003.233
total4.72820.21313.41524.41115.51412.41690.56
outside perimetern/a8.9207.2224.0300.7711.8451.15823.712
single-layered152.7456.6740.7830.2944.3862.36386.83
multi-layered215.0357.3747.1725.41027.41028.410400.62
stratified39.4942.2810.01811.71626.31114.815144.35
clustered structure1.4506.9231.4501.4503.8300.410015.315
total417.41170.22103.2369.35103.63106.94970.61
totaln/a8.9209.0204.4291.4502.1411.45027.211
single-layered153.4464.9647.9740.5851.0766.96424.62
multi-layered217.5362.0751.3732.6930.91031.610425.82
stratified40.8946.2811.41717.51330.51018.713165.04
clustered structure1.4508.3211.7451.7454.5270.77118.414
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160226/146605

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · stand structure · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstand structure %± %± %±
Western Juran/a..1.00.51.00.5
single-layered15.310.031.42.330.92.3
multi-layered53.713.851.22.551.32.5
stratified31.012.915.41.815.81.8
clustered structure..1.00.51.00.5
total100.0.100.0.100.0.
Eastern Juran/a..2.51.42.51.4
single-layered..40.44.540.44.5
multi-layered..52.04.652.04.6
stratified..5.02.05.02.0
clustered structure......
total..100.0.100.0.
Western Plateaun/a..5.22.15.22.1
single-layered..33.04.433.04.4
multi-layered..53.94.753.94.7
stratified..7.92.57.92.5
clustered structure......
total..100.0.100.0.
Central Plateaun/a..2.71.12.71.1
single-layered..41.23.341.23.3
multi-layered..48.03.448.03.4
stratified..8.11.88.11.8
clustered structure......
total..100.0.100.0.
Eastern Plateaun/a..1.90.81.90.8
single-layered..39.92.839.92.8
multi-layered..53.22.853.22.8
stratified..4.91.24.91.2
clustered structure......
total..100.0.100.0.
Western Pre-Alpsn/a37.117.15.82.38.12.6
single-layered37.717.237.94.837.94.6
multi-layered12.611.829.14.527.94.3
stratified12.611.825.24.324.34.1
clustered structure..1.91.41.81.3
total100.0.100.0.100.0.
Central Pre-Alpsn/a..4.11.33.81.2
single-layered36.811.128.62.929.22.8
multi-layered26.310.138.83.137.93.0
stratified21.19.426.12.825.82.7
clustered structure15.88.42.41.03.41.1
total100.0.100.0.100.0.
Eastern Pre-Alpsn/a..3.21.33.11.2
single-layered62.517.142.23.643.03.6
multi-layered37.517.145.93.745.63.6
stratified..7.01.96.71.8
clustered structure..1.60.91.60.9
total100.0.100.0.100.0.
Northwestern Alpsn/a6.94.73.21.63.91.6
single-layered44.89.238.74.439.84.0
multi-layered24.18.027.44.026.83.6
stratified20.77.521.83.721.63.3
clustered structure3.43.48.92.67.92.2
total100.0.100.0.100.0.
Central Alpsn/a..2.02.01.61.6
single-layered42.913.339.86.940.56.2
multi-layered50.013.438.36.940.96.2
stratified7.16.917.95.415.64.5
clustered structure..2.02.01.61.6
total100.0.100.0.100.0.
Northeastern Alpsn/a5.95.76.43.16.32.7
single-layered58.812.031.75.937.55.4
multi-layered11.87.850.86.342.55.6
stratified17.69.311.14.012.53.7
clustered structure5.95.7..1.21.2
total100.0.100.0.100.0.
Southwestern Alpsn/a2.92.01.00.71.50.7
single-layered42.25.943.63.543.23.0
multi-layered29.65.436.63.434.82.9
stratified23.95.116.82.618.72.4
clustered structure1.41.42.01.01.90.8
total100.0.100.0.100.0.
Southeastern Alpsn/a2.32.21.70.81.80.7
single-layered43.27.542.72.942.82.7
multi-layered22.76.326.52.626.02.4
stratified27.36.725.42.525.62.4
clustered structure4.53.13.71.13.81.0
total100.0.100.0.100.0.
Southern Alpsn/a2.92.81.00.61.20.6
single-layered37.28.258.32.856.12.7
multi-layered25.87.426.52.526.52.4
stratified31.47.813.92.015.72.0
clustered structure2.92.80.30.30.60.4
total100.0.100.0.100.0.
Switzerlandn/a3.91.22.40.32.60.3
single-layered41.83.139.80.940.00.9
multi-layered27.82.841.30.940.20.9
stratified22.92.614.80.715.50.7
clustered structure3.51.21.60.21.70.2
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160227/146606

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · stand structure · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstand structure1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..1.4501.450
single-layered0.77145.3846.08
multi-layered2.53873.9576.45
stratified1.45022.11223.611
clustered structure..1.4501.450
total4.627144.22148.92
Eastern Juran/a..1.2571.257
single-layered..19.01119.011
multi-layered..24.5924.59
stratified..2.4402.440
clustered structure......
total..47.0347.03
Western Plateaun/a..2.5402.540
single-layered..15.51415.514
multi-layered..25.4925.49
stratified..3.7323.732
clustered structure......
total..47.2447.24
Central Plateaun/a..1.9401.940
single-layered..28.3828.38
multi-layered..33.0733.07
stratified..5.6235.623
clustered structure......
total..68.7268.72
Eastern Plateaun/a..2.1412.141
single-layered..44.0744.07
multi-layered..58.6658.66
stratified..5.4255.425
clustered structure......
total..110.12110.12
Western Pre-Alpsn/a1.1582.2403.333
single-layered1.15714.41415.613
multi-layered0.410011.11611.516
stratified0.41009.61810.017
clustered structure..0.7700.770
total2.93538.1541.14
Central Pre-Alpsn/a..3.6313.631
single-layered2.53725.11127.610
multi-layered1.84434.1835.98
stratified1.45023.01124.411
clustered structure1.1582.2403.233
total6.82287.8394.72
Eastern Pre-Alpsn/a..2.1412.141
single-layered1.84427.9929.69
multi-layered1.15730.4931.48
stratified..4.6274.627
clustered structure..1.1571.157
total2.93566.1368.93
Northwestern Alpsn/a0.7711.4502.140
single-layered4.62717.11321.811
multi-layered2.53712.21614.714
stratified2.1409.61811.816
clustered structure0.41003.9304.328
total10.41744.3654.74
Central Alpsn/a..0.31000.3100
single-layered2.1406.9208.917
multi-layered2.4376.6229.018
stratified0.31003.1323.430
clustered structure..0.31000.3100
total4.82517.31122.18
Northeastern Alpsn/a0.41001.4501.844
single-layered3.6307.22010.716
multi-layered0.77011.51512.215
stratified1.1572.5373.630
clustered structure0.4100..0.4100
total6.12222.6928.76
Southwestern Alpsn/a0.7710.7711.450
single-layered10.31830.2940.58
multi-layered7.22125.41032.69
stratified5.82411.71617.513
clustered structure0.31001.4501.745
total24.41169.3593.73
Southeastern Alpsn/a0.41001.8452.141
single-layered6.72244.3851.07
multi-layered3.53127.41030.910
stratified4.22826.31130.510
clustered structure0.7713.8304.527
total15.514103.63119.03
Southern Alpsn/a0.41001.1581.450
single-layered4.62762.3666.96
multi-layered3.23328.41031.610
stratified3.93014.81518.713
clustered structure0.41000.41000.771
total12.416106.94119.33
Switzerlandn/a3.63223.81227.311
single-layered38.09387.43425.42
multi-layered25.312402.32427.62
stratified20.713144.45165.24
clustered structure3.23315.31518.514
total90.86973.211063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160228/146607

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · regeneration cover · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedregeneration cover %± %± %± %± %± %± %±
inside perimeter< 1%23.011.7..2.91.61.51.55.43.7..3.51.2
1-9%23.211.7..37.54.741.86.032.47.743.38.238.03.0
10-25%23.011.7..30.84.537.35.937.88.029.77.532.92.9
26-50%23.011.7..18.33.813.44.216.26.119.06.517.12.3
51-75%7.77.4..7.72.64.52.58.14.58.14.57.01.6
76-100%....2.91.61.51.5....1.50.8
total100.0...100.0.100.0.100.0.100.0.100.0.
outside perimeter< 1%5.91.02.80.64.50.73.31.33.41.21.30.63.80.4
1-9%19.31.717.71.427.51.632.83.538.43.238.12.825.80.8
10-25%27.52.024.41.632.11.733.33.532.13.036.22.729.80.9
26-50%18.61.724.41.620.81.521.73.118.52.514.32.020.40.8
51-75%13.71.513.41.38.71.07.82.04.61.46.81.410.30.6
76-100%15.01.617.41.46.40.91.10.82.91.13.31.09.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total< 1%6.31.12.80.64.30.72.81.13.71.11.20.63.70.3
1-9%19.41.717.71.428.71.535.33.037.62.938.72.626.90.8
10-25%27.41.924.41.631.91.634.43.032.92.835.52.630.00.8
26-50%18.71.724.41.620.51.419.42.518.22.314.81.920.20.7
51-75%13.51.513.41.38.60.96.91.65.11.36.91.410.00.5
76-100%14.71.517.41.46.00.81.20.72.50.92.90.99.20.5
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 #160229/146608

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · regeneration cover · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter< 1%1.158..1.1580.31000.771..3.233
1-9%1.158..13.8169.6184.2285.72534.510
10-25%1.158..11.4178.6194.9263.93029.811
26-50%1.158..6.7233.1332.1412.53815.515
51-75%0.4100..2.8351.0581.1581.1586.424
76-100%....1.1580.3100....1.450
total4.727..36.9922.91113.11613.21690.86
outside perimeter< 1%10.8187.12212.4172.1412.8351.45036.610
1-9%35.7944.9876.3620.21232.1941.68250.83
10-25%50.8761.9789.1620.51226.91039.68288.83
26-50%34.2961.9757.8713.41515.51415.614198.44
51-75%25.21133.91024.3124.8263.9307.42199.56
76-100%27.71144.2817.8140.7712.4383.63196.46
total184.52253.91277.7261.6583.64109.24970.61
total< 1%11.9177.12213.5162.4373.5311.45039.89
1-9%36.8944.9890.1629.8936.3847.37285.33
10-25%51.9761.97100.5529.1931.8943.58318.63
26-50%35.3961.9764.5716.41317.61318.113213.94
51-75%25.61133.91027.1115.8244.9268.520105.96
76-100%27.71144.2818.9131.0582.4383.63197.86
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160230/146609

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · regeneration cover · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonregeneration cover %± %± %±
AG< 1%..5.82.15.82.1
1-9%..16.53.416.53.4
10-25%..18.23.518.23.5
26-50%..20.73.720.73.7
51-75%..14.03.214.03.2
76-100%..24.83.924.83.9
total..100.0.100.0.
AI< 1%33.328.0..6.76.6
1-9%66.727.933.314.040.013.0
10-25%..50.014.840.013.0
26-50%..8.38.26.76.6
51-75%..8.38.26.76.6
76-100%......
total100.0.100.0.100.0.
AR< 1%..4.24.24.04.0
1-9%100.0.33.39.836.09.7
10-25%..41.710.240.09.9
26-50%..12.56.912.06.6
51-75%..4.24.24.04.0
76-100%..4.24.24.04.0
total100.0.100.0.100.0.
BE< 1%4.93.44.21.04.20.9
1-9%46.47.824.72.126.62.0
10-25%34.27.429.12.229.52.1
26-50%12.25.121.32.020.51.9
51-75%2.42.48.61.38.01.3
76-100%..12.21.611.21.4
total100.0.100.0.100.0.
BL/BS< 1%..2.12.12.12.1
1-9%..8.54.18.54.1
10-25%..27.46.527.46.5
26-50%..25.66.425.66.4
51-75%..17.15.517.15.5
76-100%..19.25.819.25.8
total..100.0.100.0.
FR< 1%..3.71.83.61.8
1-9%33.327.321.54.021.83.9
10-25%..28.04.427.34.3
26-50%66.727.328.14.429.14.4
51-75%..11.23.110.93.0
76-100%..7.52.67.32.5
total100.0.100.0.100.0.
GE< 1%......
1-9%......
10-25%......
26-50%..100.0.100.0.
51-75%......
76-100%......
total..100.0.100.0.
GL< 1%20.012.819.47.219.56.2
1-9%20.012.822.67.622.06.5
10-25%30.014.622.67.624.46.8
26-50%20.012.89.75.412.25.2
51-75%..12.96.19.84.7
76-100%10.09.612.96.112.25.2
total100.0.100.0.100.0.
GR< 1%3.62.53.71.03.70.9
1-9%32.26.339.52.638.52.4
10-25%37.56.531.62.532.42.3
26-50%17.85.118.42.118.41.9
51-75%8.93.83.71.04.41.0
76-100%..3.10.92.70.8
total100.0.100.0.100.0.
JU< 1%..4.72.34.62.3
1-9%..24.74.724.24.6
10-25%50.035.523.64.624.24.6
26-50%50.035.518.84.319.64.3
51-75%..10.53.310.23.3
76-100%..17.74.217.34.1
total100.0.100.0.100.0.
LU< 1%..1.61.11.61.1
1-9%50.035.519.43.619.93.6
10-25%50.035.536.84.437.04.3
26-50%..21.93.721.53.7
51-75%..13.83.113.63.1
76-100%..6.52.26.42.2
total100.0.100.0.100.0.
NE< 1%......
1-9%..8.53.18.23.0
10-25%..36.75.435.45.2
26-50%66.727.331.85.233.05.1
51-75%33.327.414.63.915.23.9
76-100%..8.53.18.23.0
total100.0.100.0.100.0.
NW< 1%......
1-9%33.327.842.913.541.212.2
10-25%..50.013.641.212.2
26-50%33.327.87.17.011.88.0
51-75%......
76-100%33.327.8..5.95.8
total100.0.100.0.100.0.
OW< 1%..6.53.75.93.3
1-9%40.022.110.94.613.74.9
10-25%40.022.145.57.445.07.0
26-50%..19.65.917.75.4
51-75%20.018.16.53.77.93.8
76-100%..10.94.69.84.2
total100.0.100.0.100.0.
SG< 1%..3.91.73.71.6
1-9%20.012.728.34.027.73.8
10-25%40.015.525.23.926.33.8
26-50%10.09.521.33.620.53.5
51-75%30.014.511.02.812.42.8
76-100%..10.22.79.52.5
total100.0.100.0.100.0.
SH< 1%......
1-9%..22.27.022.27.0
10-25%..22.27.022.27.0
26-50%..22.27.022.27.0
51-75%..11.15.311.15.3
76-100%..22.27.022.27.0
total..100.0.100.0.
SO< 1%..6.02.66.02.6
1-9%..16.94.116.94.1
10-25%..20.54.420.54.4
26-50%..21.74.521.74.5
51-75%..18.14.218.14.2
76-100%..16.94.116.94.1
total..100.0.100.0.
SZ< 1%..4.62.64.22.4
1-9%16.715.335.46.033.85.6
10-25%33.319.326.15.526.85.3
26-50%16.715.321.55.121.14.9
51-75%33.319.39.23.611.33.8
76-100%..3.12.22.82.0
total100.0.100.0.100.0.
TG< 1%..2.82.02.82.0
1-9%..14.24.214.24.2
10-25%..25.65.225.65.2
26-50%..17.14.517.14.5
51-75%..25.65.225.65.2
76-100%..14.64.314.64.3
total..100.0.100.0.
TI< 1%..1.20.71.10.6
1-9%43.410.337.23.137.73.0
10-25%26.09.236.03.135.12.9
26-50%26.29.213.82.214.92.2
51-75%4.34.38.51.88.21.7
76-100%..3.31.13.01.0
total100.0.100.0.100.0.
UR< 1%..5.84.04.63.2
1-9%44.416.720.36.925.36.6
10-25%33.315.841.18.539.57.5
26-50%11.110.520.36.918.45.9
51-75%11.110.59.15.09.54.6
76-100%..3.33.22.62.6
total100.0.100.0.100.0.
VD< 1%10.09.55.11.45.31.4
1-9%40.015.522.02.722.82.7
10-25%20.012.727.92.927.62.9
26-50%20.012.721.72.721.62.6
51-75%..13.22.212.62.1
76-100%10.09.510.12.010.11.9
total100.0.100.0.100.0.
VS< 1%1.41.43.51.32.91.0
1-9%42.35.930.23.233.42.9
10-25%36.65.736.63.436.62.9
26-50%14.14.120.82.919.02.4
51-75%4.22.47.41.86.61.5
76-100%1.41.41.50.91.50.7
total100.0.100.0.100.0.
ZG< 1%......
1-9%..23.112.123.112.1
10-25%..15.410.415.410.4
26-50%..15.410.415.410.4
51-75%..23.112.123.112.1
76-100%..23.112.123.112.1
total..100.0.100.0.
ZH< 1%..3.51.53.51.5
1-9%..19.63.319.63.3
10-25%..21.03.421.03.4
26-50%..21.03.421.03.4
51-75%..11.22.611.22.6
76-100%..23.83.623.83.6
total..100.0.100.0.
Switzerland< 1%3.51.23.80.43.80.4
1-9%37.83.025.80.826.80.8
10-25%32.92.929.50.929.80.8
26-50%17.22.420.50.820.20.7
51-75%7.01.610.30.610.00.5
76-100%1.60.810.10.69.40.5
total100.0.100.0.100.0.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #160231/146610

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · regeneration cover · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantonregeneration cover1000 ha± %1000 ha± %1000 ha± %
AG< 1%..2.8372.837
1-9%..8.0218.021
10-25%..8.9198.919
26-50%..10.11810.118
51-75%..6.8236.823
76-100%..12.11612.116
total..48.7248.72
AI< 1%0.3100..0.3100
1-9%0.6691.3451.934
10-25%..1.9341.934
26-50%..0.31000.3100
51-75%..0.31000.3100
76-100%......
total1.0543.9174.811
AR< 1%..0.31000.3100
1-9%0.31002.6302.927
10-25%..3.2253.225
26-50%..1.0551.055
51-75%..0.31000.3100
76-100%..0.31000.3100
total0.31007.768.05
BE< 1%0.7716.2236.822
1-9%6.52336.6943.18
10-25%4.82643.1847.97
26-50%1.74531.51033.29
51-75%0.310012.71613.016
76-100%..18.11318.113
total14.115148.22162.32
BL/BS< 1%..0.41000.4100
1-9%..1.6491.649
10-25%..5.2255.225
26-50%..4.9264.926
51-75%..3.3333.333
76-100%..3.7313.731
total..19.1619.16
FR< 1%..1.5501.550
1-9%0.41008.6199.018
10-25%..11.21611.216
26-50%0.77011.21612.015
51-75%..4.5274.527
76-100%..3.0343.034
total1.15740.0441.13
GE< 1%......
1-9%......
10-25%......
26-50%..2.2342.234
51-75%......
76-100%......
total..2.2342.234
GL< 1%0.8702.3393.133
1-9%0.8702.7363.531
10-25%1.2572.7363.929
26-50%0.8701.2571.943
51-75%..1.5491.549
76-100%0.41001.5491.943
total3.92911.91215.88
GR< 1%0.7714.5275.225
1-9%6.32348.5754.87
10-25%7.32138.8946.18
26-50%3.53122.61226.111
51-75%1.7454.5276.323
76-100%..3.8303.830
total19.613122.83142.33
JU< 1%..1.6491.649
1-9%..8.2198.219
10-25%0.41007.8208.219
26-50%0.41006.2236.622
51-75%..3.5323.532
76-100%..5.8245.824
total0.87033.1333.93
LU< 1%..0.6700.670
1-9%0.31007.5197.818
10-25%0.310014.21314.612
26-50%..8.5178.517
51-75%..5.3235.323
76-100%..2.5342.534
total0.67038.7339.33
NE< 1%......
1-9%..2.2372.237
10-25%..9.7159.715
26-50%0.6708.4179.016
51-75%0.31003.8274.226
76-100%..2.2372.237
total1.05726.4527.44
NW< 1%......
1-9%0.41002.3362.732
10-25%..2.7322.732
26-50%0.41000.41000.869
51-75%......
76-100%0.4100..0.4100
total1.2555.4176.513
OW< 1%..1.1571.157
1-9%0.7701.9432.636
10-25%0.7707.8188.616
26-50%..3.4313.431
51-75%0.41001.1571.549
76-100%..1.9431.943
total1.94317.2619.04
SG< 1%..1.8441.844
1-9%0.77013.01513.715
10-25%1.45011.61613.015
26-50%0.41009.81810.117
51-75%1.1575.1266.123
76-100%..4.7274.727
total3.63145.9549.54
SH< 1%......
1-9%..2.8322.832
10-25%..2.8322.832
26-50%..2.8322.832
51-75%..1.4481.448
76-100%..2.8322.832
total..12.8312.83
SO< 1%..1.9441.944
1-9%..5.3255.325
10-25%..6.4226.422
26-50%..6.8216.821
51-75%..5.7245.724
76-100%..5.3255.325
total..31.4431.44
SZ< 1%..1.1571.157
1-9%0.41008.3188.718
10-25%0.7706.2226.920
26-50%0.41005.1255.424
51-75%0.7702.2402.934
76-100%..0.7700.770
total2.24023.5625.75
TG< 1%..0.6700.670
1-9%..3.0303.030
10-25%..5.4215.421
26-50%..3.6273.627
51-75%..5.4215.421
76-100%..3.1303.130
total..21.0421.04
TI< 1%..1.1581.158
1-9%3.63132.6936.19
10-25%2.14131.5933.79
26-50%2.24112.11614.315
51-75%0.41007.5217.821
76-100%..2.9352.935
total8.32087.6495.94
UR< 1%..0.7700.770
1-9%1.3492.3363.628
10-25%1.0574.7255.722
26-50%0.31002.3362.634
51-75%0.31001.0581.450
76-100%..0.41000.4100
total3.03111.41414.311
VD< 1%0.41004.5284.927
1-9%1.55019.71321.212
10-25%0.87125.01125.711
26-50%0.87119.41320.112
51-75%..11.81711.817
76-100%0.41009.1209.419
total3.83189.4393.23
VS< 1%0.31002.4372.735
1-9%10.31821.01231.39
10-25%8.91925.41134.39
26-50%3.43114.41517.813
51-75%1.0585.1256.223
76-100%0.31001.0581.450
total24.41169.3593.73
ZG< 1%......
1-9%..1.3531.353
10-25%..0.9680.968
26-50%..0.9680.968
51-75%..1.3531.353
76-100%..1.3531.353
total..5.695.69
ZH< 1%..1.8441.844
1-9%..9.9179.917
10-25%..10.61610.616
26-50%..10.61610.616
51-75%..5.6245.624
76-100%..12.01512.015
total..50.4250.42
Switzerland< 1%3.23337.11040.39
1-9%34.210251.23285.43
10-25%29.711287.63317.33
26-50%15.515199.64215.14
51-75%6.32499.86106.26
76-100%1.55098.2699.76
total90.46973.611064.01

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #160232/146611

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · regeneration cover · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedregeneration cover %± %± %± %± %± %±
inside perimeter< 1%23.111.7..2.92.82.91.3..3.51.2
1-9%23.011.7..40.08.337.73.742.98.438.03.0
10-25%23.111.7..25.77.435.43.631.47.832.92.9
26-50%23.111.7..20.06.816.02.817.26.417.12.3
51-75%7.77.4..8.64.76.31.88.64.77.01.6
76-100%....2.92.81.71.0..1.50.8
total100.0...100.0.100.0.100.0.100.0.
outside perimeter< 1%5.41.03.10.73.20.84.60.81.30.73.80.4
1-9%19.51.717.41.525.51.933.11.738.12.825.80.8
10-25%26.41.924.41.732.12.032.71.735.82.829.70.9
26-50%20.11.822.71.724.01.918.71.414.52.020.50.8
51-75%13.21.514.31.49.21.36.70.96.91.510.30.6
76-100%15.51.618.21.56.01.04.20.73.31.010.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.
total< 1%5.81.03.10.73.20.74.30.71.20.63.70.3
1-9%19.61.717.41.526.41.934.01.638.62.726.80.8
10-25%26.31.924.41.731.72.033.21.635.42.630.00.8
26-50%20.21.722.71.723.81.818.11.314.81.920.20.7
51-75%13.11.514.31.49.21.26.60.87.11.410.00.5
76-100%15.11.518.21.55.81.03.80.63.00.99.20.5
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 #160233/146612

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · regeneration cover · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter< 1%1.158..0.41001.745..3.233
1-9%1.158..5.02622.8125.32534.310
10-25%1.158..3.23321.4123.93029.711
26-50%1.158..2.5389.7192.14115.415
51-75%0.4100..1.1583.8301.1586.323
76-100%....0.41001.058..1.450
total4.727..12.61660.5712.41690.36
outside perimeter< 1%10.2187.0226.12411.7171.45036.510
1-9%37.2939.4949.0884.1640.78250.43
10-25%50.4755.2761.6783.1638.38288.53
26-50%38.3951.3746.1847.4815.514198.74
51-75%25.21132.31017.71417.0147.42199.66
76-100%29.61041.1811.51710.8183.53196.66
total190.92226.31192.12254.22106.94970.41
total< 1%11.3187.0226.52313.5161.45039.79
1-9%38.3939.4954.17106.9546.08284.73
10-25%51.5755.2764.96104.5542.28318.23
26-50%39.4951.3748.7857.1717.713214.24
51-75%25.61132.31018.71320.8138.520105.96
76-100%29.61041.1811.91711.8173.53198.06
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160234/146613

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · regeneration cover · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedregeneration cover %± %± %± %± %± %± %±
inside perimeter< 1%23.111.7..7.74.31.41.44.53.1..3.51.1
1-9%23.211.744.66.630.87.442.35.929.56.942.98.438.03.0
10-25%23.111.730.46.130.87.436.65.736.47.331.47.832.92.9
26-50%23.111.717.95.112.85.414.14.122.76.317.26.417.12.3
51-75%7.77.43.62.515.45.84.22.46.83.88.64.77.01.6
76-100%..3.62.52.62.51.41.4....1.60.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter< 1%4.10.63.20.85.71.33.51.34.11.21.30.73.80.4
1-9%18.31.123.92.030.12.730.23.239.02.838.12.825.80.8
10-25%25.31.333.92.228.92.636.63.430.92.735.82.829.70.9
26-50%21.51.223.72.018.72.320.82.918.62.314.52.020.50.8
51-75%13.81.08.91.39.51.77.41.84.41.26.91.510.30.6
76-100%17.01.16.41.17.01.51.50.93.01.03.31.010.00.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total< 1%4.30.62.80.75.91.32.91.04.11.11.20.63.70.3
1-9%18.41.126.11.930.22.533.42.937.72.638.62.726.80.8
10-25%25.31.333.52.129.12.536.62.931.62.535.42.630.00.8
26-50%21.51.223.11.818.02.119.02.419.22.114.81.920.20.7
51-75%13.71.08.31.210.21.76.61.54.71.27.11.410.00.5
76-100%16.81.16.11.06.51.31.50.72.60.93.00.99.20.5
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 #160235/146614

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · regeneration cover · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter< 1%1.158..1.0580.31000.771..3.233
1-9%1.1589.0204.12810.3184.6275.32534.410
10-25%1.1586.1244.1288.9195.6253.93029.811
26-50%1.1583.6311.7453.4313.5312.14115.515
51-75%0.41000.7712.1411.0581.1581.1586.323
76-100%..0.7710.31000.3100....1.450
total4.72820.21313.41524.41115.51412.41690.56
outside perimeter< 1%17.2145.4265.9242.4374.2281.45036.510
1-9%76.6640.7931.1921.01240.4840.78250.43
10-25%105.5557.7729.91025.41132.0938.38288.83
26-50%89.8640.4919.31214.41519.31315.514198.74
51-75%57.6715.1159.8185.1254.6277.42199.76
76-100%70.8710.8187.3211.0583.1333.53196.66
total417.41170.22103.2369.35103.63106.94970.61
total< 1%18.2145.4266.9222.7354.9261.45039.69
1-9%77.6649.8835.2931.3944.9846.08284.83
10-25%106.6563.8634.0934.3937.6842.28318.53
26-50%90.8644.0821.01217.81322.81117.713214.24
51-75%57.9715.91511.9176.2235.6258.520105.96
76-100%70.8711.5177.6211.4503.1333.53198.06
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160236/146615

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · regeneration cover · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionregeneration cover %± %± %±
Western Jura< 1%23.011.75.41.16.01.2
1-9%23.311.819.62.019.71.9
10-25%23.011.728.52.228.32.2
26-50%23.011.720.32.020.42.0
51-75%7.77.413.61.713.41.7
76-100%..12.61.712.21.6
total100.0.100.0.100.0.
Eastern Jura< 1%..5.02.05.02.0
1-9%..19.43.619.43.6
10-25%..19.23.619.23.6
26-50%..19.43.619.43.6
51-75%..11.83.011.83.0
76-100%..25.24.025.24.0
total..100.0.100.0.
Western Plateau< 1%..2.61.52.61.5
1-9%..18.43.618.43.6
10-25%..28.74.228.74.2
26-50%..26.14.126.14.1
51-75%..10.52.910.52.9
76-100%..13.73.213.73.2
total..100.0.100.0.
Central Plateau< 1%..2.31.02.31.0
1-9%..19.02.719.02.7
10-25%..24.62.924.62.9
26-50%..23.92.923.92.9
51-75%..14.02.314.02.3
76-100%..16.22.516.22.5
total..100.0.100.0.
Eastern Plateau< 1%..3.91.13.91.1
1-9%..15.92.115.92.1
10-25%..22.72.422.72.4
26-50%..20.52.320.52.3
51-75%..15.92.115.92.1
76-100%..21.12.321.12.3
total..100.0.100.0.
Western Pre-Alps< 1%..4.82.14.52.0
1-9%25.115.430.14.529.84.3
10-25%37.117.121.34.122.54.0
26-50%37.717.232.04.632.44.5
51-75%..8.82.88.12.6
76-100%..2.91.72.71.5
total100.0.100.0.100.0.
Central Pre-Alps< 1%..2.00.91.90.8
1-9%47.411.519.22.521.22.5
10-25%26.310.140.03.139.03.0
26-50%15.88.424.12.723.52.6
51-75%5.35.18.21.88.01.7
76-100%5.35.16.51.66.41.5
total100.0.100.0.100.0.
Eastern Pre-Alps< 1%12.511.73.81.44.11.4
1-9%37.517.131.33.431.63.4
10-25%12.511.727.63.326.93.2
26-50%12.511.719.52.919.22.8
51-75%25.015.310.82.311.42.3
76-100%..7.01.96.71.8
total100.0.100.0.100.0.
Northwestern Alps< 1%..4.01.83.31.4
1-9%48.39.328.24.032.03.8
10-25%31.08.632.34.232.03.8
26-50%13.86.416.13.315.72.9
51-75%3.43.410.52.89.22.3
76-100%3.43.48.92.67.82.2
total100.0.100.0.100.0.
Central Alps< 1%..8.03.86.23.0
1-9%35.712.927.96.429.65.7
10-25%28.612.138.06.935.96.0
26-50%14.39.415.95.215.64.5
51-75%21.411.06.13.49.53.7
76-100%..4.12.93.22.3
total100.0.100.0.100.0.
Northeastern Alps< 1%11.87.89.53.710.03.4
1-9%23.510.328.65.727.55.0
10-25%41.212.025.45.528.85.1
26-50%11.87.819.05.017.54.3
51-75%5.95.77.93.47.53.0
76-100%5.95.79.53.78.73.2
total100.0.100.0.100.0.
Southwestern Alps< 1%1.41.43.51.32.91.0
1-9%42.35.930.23.233.42.9
10-25%36.65.736.63.436.62.9
26-50%14.14.120.82.919.02.4
51-75%4.22.47.41.86.61.5
76-100%1.41.41.50.91.50.7
total100.0.100.0.100.0.
Southeastern Alps< 1%4.53.14.11.24.11.1
1-9%29.56.939.02.837.72.6
10-25%36.47.330.92.731.62.5
26-50%22.76.318.62.319.22.1
51-75%6.83.84.41.24.71.2
76-100%..3.01.02.60.9
total100.0.100.0.100.0.
Southern Alps< 1%..1.30.71.20.6
1-9%42.98.438.12.838.62.7
10-25%31.47.835.82.835.42.6
26-50%17.26.414.52.014.81.9
51-75%8.64.76.91.57.11.4
76-100%..3.31.03.00.9
total100.0.100.0.100.0.
Switzerland< 1%3.51.13.80.43.80.3
1-9%38.03.025.80.826.90.8
10-25%32.92.929.70.930.00.8
26-50%17.12.320.50.820.20.7
51-75%7.01.610.20.69.90.5
76-100%1.60.810.00.69.20.5
total100.0.100.0.100.0.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160237/146616

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · regeneration cover · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionregeneration cover1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%1.1587.9218.920
1-9%1.15828.21029.310
10-25%1.15841.0842.18
26-50%1.15829.31030.310
51-75%0.410019.61320.013
76-100%..18.21318.213
total4.627144.22148.92
Eastern Jura< 1%..2.4402.440
1-9%..9.1199.119
10-25%..9.0199.019
26-50%..9.1199.119
51-75%..5.5255.525
76-100%..11.91611.916
total..47.0347.03
Western Plateau< 1%..1.2571.257
1-9%..8.7208.720
10-25%..13.51513.515
26-50%..12.31612.316
51-75%..4.9284.928
76-100%..6.5246.524
total..47.2447.24
Central Plateau< 1%..1.5441.544
1-9%..13.11413.114
10-25%..16.91216.912
26-50%..16.41216.412
51-75%..9.6179.617
76-100%..11.21511.215
total..68.7268.72
Eastern Plateau< 1%..4.3284.328
1-9%..17.51317.513
10-25%..25.01125.011
26-50%..22.51122.511
51-75%..17.51317.513
76-100%..23.21123.211
total..110.12110.12
Western Pre-Alps< 1%..1.8441.844
1-9%0.77011.51612.215
10-25%1.1588.1209.218
26-50%1.15712.21513.314
51-75%..3.3323.332
76-100%..1.1571.157
total2.93538.1541.14
Central Pre-Alps< 1%..1.8441.844
1-9%3.23316.81320.112
10-25%1.84435.1836.98
26-50%1.15821.21222.211
51-75%0.41007.2227.521
76-100%0.41005.7246.124
total6.82287.8394.72
Eastern Pre-Alps< 1%0.41002.5372.935
1-9%1.15720.71121.811
10-25%0.410018.21218.612
26-50%0.410012.91513.215
51-75%0.7717.1217.920
76-100%..4.6274.627
total2.93566.1368.93
Northwestern Alps< 1%..1.8441.844
1-9%5.02612.51517.512
10-25%3.23314.31417.513
26-50%1.4507.2218.619
51-75%0.41004.7275.026
76-100%0.41003.9294.328
total10.41744.3654.74
Central Alps< 1%..1.4491.449
1-9%1.7444.8256.521
10-25%1.4496.6217.919
26-50%0.7702.7343.430
51-75%1.0571.1582.140
76-100%..0.7710.771
total4.82517.31122.18
Northeastern Alps< 1%0.7702.1402.934
1-9%1.4496.4227.919
10-25%2.5375.7248.219
26-50%0.7704.3275.025
51-75%0.41001.8442.140
76-100%0.41002.1402.537
total6.12222.6928.76
Southwestern Alps< 1%0.31002.4372.735
1-9%10.31821.01231.39
10-25%8.91925.41134.39
26-50%3.43114.41517.813
51-75%1.0585.1256.223
76-100%0.31001.0581.450
total24.41169.3593.73
Southeastern Alps< 1%0.7714.2284.926
1-9%4.62740.4844.98
10-25%5.62532.0937.68
26-50%3.53119.31322.811
51-75%1.1584.6275.625
76-100%..3.1333.133
total15.514103.63119.03
Southern Alps< 1%..1.4501.450
1-9%5.32540.7846.08
10-25%3.93038.3842.28
26-50%2.14115.51417.713
51-75%1.1587.4218.520
76-100%..3.5313.531
total12.416106.94119.33
Switzerland< 1%3.23336.81040.09
1-9%34.510251.43285.93
10-25%29.811289.33319.13
26-50%15.515199.34214.84
51-75%6.32499.56105.86
76-100%1.45096.9698.36
total90.86973.211063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160238/146617

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigneddegree of cover of regeneration (7 classes) %± %± %± %± %± %± %±
inside perimeter< 1%23.011.7..2.91.61.51.55.43.7..3.51.2
1-4%15.410.0..12.53.210.43.724.37.119.06.514.82.2
5-9%7.87.5..25.04.231.45.78.14.524.37.023.22.6
10-25%23.011.7..30.84.537.35.937.88.029.77.532.92.9
26-50%23.011.7..18.33.813.44.216.26.119.06.517.12.3
51-75%7.77.4..7.72.64.52.58.14.58.14.57.01.6
76-100%....2.91.61.51.5....1.50.8
total100.0...100.0.100.0.100.0.100.0.100.0.
outside perimeter< 1%5.91.02.80.64.50.73.31.33.41.21.30.63.80.4
1-4%7.41.28.11.011.01.111.72.418.12.515.32.110.70.6
5-9%11.91.49.61.116.51.321.13.020.32.622.82.415.10.7
10-25%27.52.024.41.632.11.733.33.532.13.036.22.729.80.9
26-50%18.61.724.41.620.81.521.73.118.52.514.32.020.40.8
51-75%13.71.513.41.38.71.07.82.04.61.46.81.410.30.6
76-100%15.01.617.41.46.40.91.10.82.91.13.31.09.90.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total< 1%6.31.12.80.64.30.72.81.13.71.11.20.63.70.3
1-4%7.61.28.11.011.21.111.32.019.02.415.72.011.10.6
5-9%11.81.49.61.117.51.323.92.718.62.422.92.315.80.7
10-25%27.41.924.41.631.91.634.43.032.92.835.52.630.00.8
26-50%18.71.724.41.620.51.419.42.518.22.314.81.920.20.7
51-75%13.51.513.41.38.60.96.91.65.11.36.91.410.00.5
76-100%14.71.517.41.46.00.81.20.72.50.92.90.99.20.5
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 #160239/146618

NFI3

forest area: avalanches SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches 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%1.158..1.1580.31000.771..3.233
1-4%0.771..4.6282.4373.2332.53813.416
5-9%0.4100..9.2197.2211.1583.23321.113
10-25%1.158..11.4178.6194.9263.93029.811
26-50%1.158..6.7233.1332.1412.53815.515
51-75%0.4100..2.8351.0581.1581.1586.424
76-100%....1.1580.3100....1.450
total4.727..36.9922.91113.11613.21690.86
outside perimeter< 1%10.8187.12212.4172.1412.8351.45036.610
1-4%13.71620.51330.6107.22115.21416.814103.96
5-9%22.01224.41245.7813.01516.91424.911147.05
10-25%50.8761.9789.1620.51226.91039.68288.83
26-50%34.2961.9757.8713.41515.51415.614198.44
51-75%25.21133.91024.3124.8263.9307.42199.56
76-100%27.71144.2817.8140.7712.4383.63196.46
total184.52253.91277.7261.6583.64109.24970.61
total< 1%11.9177.12213.5162.4373.5311.45039.89
1-4%14.41520.51335.2109.61818.31319.313117.35
5-9%22.41224.41255.0720.21218.01328.110168.04
10-25%51.9761.97100.5529.1931.8943.58318.63
26-50%35.3961.9764.5716.41317.61318.113213.94
51-75%25.61133.91027.1115.8244.9268.520105.96
76-100%27.71144.2818.9131.0582.4383.63197.86
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160240/146619
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