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NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %±
n/an/a1.40.43.20.54.50.92.00.50.60.62.60.3
crowded24.81.528.31.418.91.713.11.217.63.022.00.7
normal32.01.636.51.519.61.715.31.313.72.726.80.8
loose15.11.313.81.113.41.59.71.112.42.613.10.6
open13.61.211.31.017.11.716.11.416.52.914.20.6
scattered7.50.94.40.610.61.317.21.420.83.29.80.5
grouped crowded1.90.51.10.37.51.211.81.28.52.25.10.4
grouped normal1.80.50.30.25.61.08.41.07.32.03.70.3
heterogeneous1.80.51.10.32.70.76.40.92.41.22.80.3
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.6.43.13.81.11.41.43.60.9
crowded39.010.20.0.25.25.418.82.214.44.220.01.8
normal34.910.00.0.23.95.317.52.110.23.718.21.7
loose8.75.90.0.4.92.810.81.710.23.79.81.4
open8.75.90.0.18.34.817.82.117.64.617.41.7
scattered8.75.90.0.1.41.47.41.48.63.46.81.1
grouped crowded0.0.0.0.6.13.08.01.58.63.47.41.2
grouped normal0.0.0.0.4.72.77.71.514.24.27.81.2
heterogeneous0.0.0.0.9.13.68.21.514.74.38.81.3
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.90.94.10.92.90.60.80.42.30.3
crowded35.73.831.44.622.01.915.31.226.31.921.90.9
normal30.43.629.14.528.92.118.61.322.51.823.40.9
loose12.92.617.73.813.21.512.11.113.61.513.10.7
open14.32.812.93.314.01.616.21.39.91.313.80.8
scattered3.61.54.02.05.11.012.41.110.41.39.10.6
grouped crowded1.20.81.01.04.20.910.41.18.31.27.30.6
grouped normal0.60.60.0.2.80.77.30.94.00.84.60.5
heterogeneous1.30.93.01.75.81.14.90.74.40.94.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a1.20.33.00.54.40.62.70.40.80.32.60.2
crowded26.91.428.61.320.71.215.00.823.41.521.80.5
normal31.91.435.81.424.11.317.10.919.51.424.90.6
loose14.61.114.11.012.81.011.00.713.01.212.80.4
open13.61.111.50.915.81.116.40.912.01.214.30.5
scattered6.90.84.40.67.50.813.40.812.41.19.30.4
grouped crowded1.80.41.10.35.90.710.50.78.41.06.10.3
grouped normal1.60.40.30.14.30.67.80.65.70.84.30.3
heterogeneous1.70.41.30.34.50.66.10.64.90.83.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862154/328485
NFI4
forest area
avalanches SilvaProtect · crown closure
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %±
n/an/a0.40.21.30.42.90.71.60.50.60.61.40.2
crowded30.01.632.11.424.61.914.31.322.03.325.90.8
normal30.11.635.21.526.01.911.71.216.93.026.30.8
loose11.11.113.01.06.91.110.31.12.51.210.40.5
open14.41.212.41.012.91.515.41.312.92.613.60.6
scattered5.50.83.00.57.91.218.51.525.73.49.00.5
grouped crowded1.70.50.60.26.41.111.71.29.12.24.70.4
grouped normal1.50.41.00.36.41.110.21.16.72.04.30.4
heterogeneous5.40.81.50.46.01.16.30.93.61.54.30.4
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.2.92.13.41.01.41.42.90.8
crowded30.19.60.0.36.06.018.82.216.34.521.31.9
normal26.49.30.0.11.14.020.12.210.23.717.81.7
loose26.49.20.0.16.34.513.41.99.03.513.81.6
open8.75.90.0.10.23.716.72.119.84.715.91.7
scattered0.0.0.0.4.52.57.31.414.54.27.61.2
grouped crowded0.0.0.0.4.62.66.81.45.72.76.01.1
grouped normal4.24.10.0.6.43.16.51.411.53.87.11.2
heterogeneous4.24.10.0.8.03.47.01.411.53.87.61.2
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.3.21.82.70.72.60.61.10.52.10.3
crowded36.33.834.64.729.32.120.11.434.52.127.81.0
normal33.53.731.54.622.31.916.61.321.91.821.30.9
loose9.82.37.92.710.31.47.20.96.41.18.00.6
open12.92.613.93.414.01.618.31.310.41.314.70.8
scattered1.91.13.01.76.31.113.71.27.81.19.10.6
grouped crowded0.0.1.11.15.11.07.00.99.31.36.30.5
grouped normal1.30.90.0.3.30.87.10.96.31.05.20.5
heterogeneous4.31.64.92.26.61.17.40.92.30.75.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.30.21.50.42.80.52.40.41.00.41.80.2
crowded31.01.532.31.427.41.317.60.930.21.626.20.6
normal30.51.434.91.423.41.315.40.819.81.423.80.5
loose11.31.012.51.09.00.99.50.75.80.89.80.4
open14.01.112.51.013.31.016.90.911.81.214.20.5
scattered4.80.73.00.57.00.814.40.812.21.18.90.4
grouped crowded1.30.40.60.25.70.78.80.78.91.05.40.3
grouped normal1.60.40.90.35.00.78.20.66.90.94.90.3
heterogeneous5.20.71.80.46.40.86.90.63.40.75.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862155/328486
NFI4
forest area
avalanches SilvaProtect · crown closure
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %±
n/an/a0.40.21.20.43.20.81.90.60.90.91.40.2
crowded30.21.632.31.525.72.014.41.529.34.527.20.8
normal30.61.635.31.527.82.112.91.422.14.228.20.8
loose11.61.113.01.16.81.211.21.33.91.911.00.6
open14.51.312.31.013.01.517.41.614.73.514.10.6
scattered4.80.82.80.57.41.216.21.614.63.57.00.5
grouped crowded1.00.40.60.24.20.99.11.25.72.33.10.3
grouped normal1.30.41.00.35.91.19.51.34.82.13.60.3
heterogeneous5.60.81.30.46.01.17.31.13.91.94.50.4
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.3.02.13.71.11.61.63.10.8
crowded30.19.60.0.36.66.118.72.216.84.821.51.9
normal26.49.30.0.11.34.020.72.311.54.118.51.8
loose26.49.20.0.16.54.613.51.98.63.714.01.6
open8.75.90.0.10.43.716.82.122.45.316.21.7
scattered0.0.0.0.4.52.66.81.411.44.16.71.2
grouped crowded0.0.0.0.3.12.26.01.43.22.24.91.0
grouped normal4.24.10.0.6.53.16.51.411.44.17.11.2
heterogeneous4.24.10.0.8.13.57.41.513.04.38.11.3
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.3.21.82.80.82.60.61.10.52.10.3
crowded36.83.834.64.729.32.120.81.537.42.328.81.0
normal33.23.731.54.622.61.917.01.422.52.021.70.9
loose9.32.37.92.710.71.47.41.06.51.18.20.6
open13.02.713.93.414.11.618.81.410.51.415.00.8
scattered1.91.13.01.76.31.113.31.24.91.08.10.6
grouped crowded0.0.1.11.14.51.06.20.99.21.35.70.5
grouped normal1.30.90.0.3.20.86.30.95.81.14.70.5
heterogeneous4.31.64.92.26.61.27.61.02.20.75.70.5
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.30.21.40.43.00.52.50.41.10.41.80.2
crowded31.31.532.51.428.01.418.20.934.11.927.30.6
normal31.01.535.01.424.41.316.30.921.41.625.00.6
loose11.61.012.61.09.20.99.90.76.31.010.20.4
open14.11.112.41.013.31.118.01.012.31.314.60.5
scattered4.20.62.90.56.70.813.00.87.11.07.40.4
grouped crowded0.80.30.70.24.20.67.10.68.01.14.20.3
grouped normal1.40.40.90.34.70.77.40.76.21.04.30.3
heterogeneous5.30.71.70.46.40.87.50.73.50.75.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862156/328487
NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %±
n/an/a1.30.43.30.54.70.91.90.50.50.52.50.3
crowded24.71.428.71.318.11.613.11.218.62.922.00.7
normal31.51.535.91.419.91.714.81.213.62.526.40.7
loose15.11.213.61.013.21.49.81.011.92.412.90.6
open13.91.111.10.917.51.615.51.215.02.614.00.6
scattered7.50.94.70.610.41.317.51.320.53.010.00.5
grouped crowded2.00.51.20.38.21.111.81.19.72.25.40.4
grouped normal2.00.50.30.25.20.99.31.07.01.93.90.3
heterogeneous1.90.51.20.32.80.76.30.83.21.32.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.5.52.73.71.01.21.23.40.8
crowded40.19.80.0.25.95.119.42.015.94.120.71.7
normal35.99.6100.0.22.24.817.72.09.93.318.21.6
loose8.05.40.0.5.52.710.81.611.23.510.01.3
open8.05.40.0.18.24.417.21.916.24.116.71.6
scattered8.05.40.0.1.21.26.61.37.52.96.11.0
grouped crowded0.0.0.0.5.32.67.51.411.13.57.31.1
grouped normal0.0.0.0.6.72.99.11.512.13.68.71.2
heterogeneous0.0.0.0.9.43.48.01.414.94.08.81.2
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.0.80.84.90.92.90.60.70.32.50.3
crowded35.93.632.74.421.01.715.51.227.21.822.10.8
normal30.53.527.64.128.81.918.41.323.11.723.40.9
loose12.82.517.23.512.91.412.51.113.61.413.10.7
open14.12.614.73.315.01.516.21.29.01.213.90.7
scattered3.91.43.61.85.20.912.21.110.11.28.90.6
grouped crowded1.10.80.90.94.20.89.91.07.81.16.90.5
grouped normal0.60.60.0.2.90.77.70.93.80.84.60.4
heterogeneous1.20.82.61.55.10.94.90.74.70.94.50.4
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a1.00.33.00.54.80.62.70.30.70.32.60.2
crowded26.81.329.01.319.91.115.20.824.31.421.90.5
normal31.41.435.21.324.21.216.90.819.81.324.60.5
loose14.61.113.91.012.61.011.10.713.01.212.80.4
open13.81.011.40.916.41.116.10.811.01.114.20.4
scattered7.00.84.60.67.40.713.30.712.11.19.30.3
grouped crowded1.80.41.20.36.20.710.20.78.50.96.10.3
grouped normal1.80.40.30.24.20.68.60.65.20.74.60.3
heterogeneous1.80.41.30.34.20.66.00.55.30.84.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862157/328488
NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantoncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.8500.0.0.0.0.850
crowded16.090.0.0.0.16.09
normal18.680.0.0.0.18.68
loose6.0170.0.0.0.6.017
open4.7190.0.0.0.4.719
scattered1.2400.0.0.0.1.240
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.21000.0.0.0.0.2100
total47.520.0.0.0.47.52
AIn/a0.0.0.0.0.0.0.0.
crowded0.0.0.0.0.0.0.0.
normal0.9420.21000.21001.434
loose0.6570.0.0.9421.531
open0.4680.4721.1391.927
scattered0.21000.0.0.0.0.2100
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.21000.0.0.0.0.2100
heterogeneous0.0.0.0.0.0.0.0.
total2.5240.6572.2245.310
ARn/a0.0.0.0.0.0.0.0.
crowded3.8180.21002.0266.012
normal0.3670.0.0.6590.945
loose0.0.0.0.0.21000.2100
open0.7560.0.0.0.0.756
scattered0.0.0.0.0.0.0.0.
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.31000.0.0.0.0.3100
heterogeneous0.0.0.0.0.0.0.0.
total5.3130.21002.7228.16
BEn/a2.3301.2402.1315.618
crowded18.2102.92616.01137.17
normal27.982.92618.81049.65
loose11.7130.8509.01521.59
open11.1130.8507.51619.510
scattered6.5171.0454.02211.613
grouped crowded5.3191.2414.02210.513
grouped normal2.8270.6581.7335.119
heterogeneous3.6231.6353.4248.615
total89.3413.11266.54168.91
BL/BSn/a0.6520.0.0.0.0.652
crowded6.6150.0.1.1447.713
normal5.8160.0.1.8357.613
loose1.8350.0.0.7572.529
open0.8500.0.0.6581.437
scattered0.6560.0.0.0.0.656
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.21000.0.0.0.0.2100
heterogeneous0.0.0.0.0.0.0.0.
total16.360.0.4.12120.43
FRn/a1.2420.21001.0482.328
crowded7.3140.21001.6329.112
normal6.7170.4714.81911.911
loose3.3240.0.1.1404.421
open3.7240.21001.1415.020
scattered1.9340.0.1.0502.827
grouped crowded1.3410.0.1.5352.827
grouped normal1.4410.0.0.7482.031
heterogeneous0.21000.21000.6581.045
total27.051.04013.41041.43
GEn/a0.0.0.0.0.0.0.0.
crowded0.0.0.0.0.0.0.0.
normal0.8660.0.0.0.0.866
loose2.0320.0.0.0.2.032
open0.41000.0.0.0.0.4100
scattered0.6750.0.0.0.0.675
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total3.750.0.0.0.3.75
GLn/a0.0.0.21000.21000.471
crowded1.4331.4373.1236.015
normal0.6570.5570.5571.732
loose0.21000.21000.21000.657
open1.9310.8480.21002.924
scattered0.6570.21000.6571.437
grouped crowded1.0450.21000.21001.438
grouped normal0.21000.0.0.0.0.2100
heterogeneous0.0.0.5580.21000.750
total6.0164.0205.21715.26
GRn/a1.0450.6582.7274.322
crowded8.6152.5289.21420.49
normal10.1143.72310.81324.68
loose6.3172.92611.31320.69
open11.9135.31914.51131.77
scattered14.0121.43811.41326.78
grouped crowded6.8171.7357.71616.111
grouped normal4.4212.0325.31911.713
heterogeneous6.6172.7276.11815.311
total69.8522.7979.04171.52
JUn/a0.4710.0.0.0.0.471
crowded4.1210.0.3.1247.215
normal9.2130.5563.12412.810
loose3.3230.21001.8335.218
open2.1290.21002.2304.520
scattered1.4360.0.0.0.1.436
grouped crowded0.21000.0.0.21000.470
grouped normal0.9430.0.0.0.0.943
heterogeneous0.21000.0.0.21000.471
total21.960.94310.51133.43
LUn/a1.2400.0.0.4701.634
crowded10.0130.6582.42813.010
normal8.1140.0.2.13110.212
loose3.0250.0.0.7493.722
open5.7170.0.1.0456.716
scattered3.4230.0.0.21003.623
grouped crowded0.4710.0.0.0.0.471
grouped normal0.6570.0.0.0.0.657
heterogeneous0.4710.0.0.21000.657
total32.840.6587.01640.42
NEn/a0.0.0.0.0.0.0.0.
crowded1.8290.0.0.4712.227
normal8.4130.7570.5569.511
loose5.7170.0.0.8516.515
open3.3240.21000.8444.320
scattered1.9310.21000.21002.328
grouped crowded1.4390.0.0.0.1.439
grouped normal0.21000.0.0.0.0.2100
heterogeneous1.4340.0.0.21001.632
total24.151.0442.82428.03
NWn/a0.0.0.0.0.5720.572
crowded0.7560.4721.3372.425
normal1.0490.4720.4721.933
loose0.0.0.0.0.4670.467
open0.5710.0.0.31000.856
scattered1.1470.0.0.0.1.147
grouped crowded1.0470.31000.0.1.343
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total4.3181.2442.8248.27
OWn/a1.3370.0.0.0.1.337
crowded0.6590.6571.4372.626
normal2.7250.4722.6265.715
loose1.0410.0.0.21001.238
open1.1420.21001.2402.426
scattered0.21000.0.0.5590.750
grouped crowded1.5350.11000.4712.030
grouped normal0.9440.3720.6571.930
heterogeneous0.6580.0.0.5581.141
total9.9111.7337.51319.04
SGn/a1.3410.0.0.6581.933
crowded4.4212.0336.11612.511
normal2.9240.9507.11511.012
loose2.8260.21004.7207.716
open6.0180.8504.32111.112
scattered2.4300.4712.0334.720
grouped crowded1.2400.0.1.1452.330
grouped normal1.0450.0.0.4701.538
heterogeneous0.4710.0.0.21000.658
total22.484.42126.5753.33
SHn/a0.21000.0.0.0.0.2100
crowded5.8140.0.0.21006.014
normal3.7200.0.0.0.3.720
loose1.8330.0.0.0.1.833
open0.21000.0.0.0.0.2100
scattered0.21000.0.0.21000.469
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total11.940.0.0.46912.33
SOn/a0.21000.0.0.0.0.2100
crowded10.2120.21001.43811.710
normal12.2100.0.0.65912.710
loose3.8220.0.0.5704.321
open1.6360.0.0.4722.032
scattered0.8510.0.0.0.0.851
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.21000.0.0.0.0.2100
total29.030.21002.92632.12
SZn/a0.8490.0.0.6571.436
crowded1.2400.21001.5353.025
normal4.0210.4693.7228.213
loose3.1250.6581.6345.318
open1.8310.3701.6343.721
scattered1.4380.0.0.8502.230
grouped crowded1.5360.0.0.6562.129
grouped normal1.4380.0.0.6572.031
heterogeneous0.0.0.0.0.6580.658
total15.391.63511.71128.54
TGn/a1.2370.0.0.0.1.237
crowded5.3160.0.0.7445.914
normal6.6150.0.1.1407.713
loose1.9270.0.0.0.1.927
open2.0300.0.0.6582.626
scattered0.8450.0.0.0.0.845
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total17.740.0.2.42620.12
TIn/a0.21000.21000.4710.850
crowded4.8201.83325.0831.67
normal3.8230.65820.7925.18
loose3.0261.04510.31314.211
open4.1221.2417.91513.212
scattered4.3211.1418.21513.711
grouped crowded2.5271.0457.51610.913
grouped normal2.3291.7333.7237.815
heterogeneous0.6581.0452.5284.121
total25.689.51486.23121.32
URn/a0.21000.21000.21000.556
crowded1.0441.1432.2274.218
normal1.1390.6561.1442.825
loose0.4710.6580.6571.534
open1.5350.6560.9492.925
scattered1.2410.4710.3701.931
grouped crowded0.8490.0.0.21001.044
grouped normal0.4710.21000.0.0.658
heterogeneous0.21000.21000.0.0.370
total6.8153.7215.31615.86
VDn/a2.1300.0.0.4712.428
crowded14.5101.3383.42319.39
normal16.5101.3405.21923.08
loose10.5130.21002.03112.712
open16.3101.2411.53519.09
scattered8.8140.21001.04510.013
grouped crowded2.6270.0.0.4713.125
grouped normal2.1310.4710.4712.926
heterogeneous1.4370.6581.3403.224
total74.735.21915.61095.62
VSn/a0.4710.8500.6571.933
crowded3.5233.8227.41514.811
normal4.7204.02110.71319.59
loose3.4242.7266.41712.512
open4.4214.3218.71517.410
scattered7.4161.6357.11616.111
grouped crowded4.9202.7266.51714.111
grouped normal4.5212.2305.61912.312
heterogeneous1.0451.6352.7265.319
total34.3723.7855.84113.82
ZGn/a0.11000.0.0.11000.367
crowded0.21000.0.0.0.0.2100
normal0.3710.0.0.21000.556
loose1.5320.0.0.4711.926
open0.21000.21000.7461.138
scattered0.8410.0.0.5581.329
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.4670.467
total3.3170.21002.3225.76
ZHn/a1.3390.0.0.0.1.339
crowded12.1110.0.0.75712.811
normal18.680.0.0.47218.98
loose8.3150.0.0.6588.914
open4.6200.0.0.0.4.620
scattered2.0310.0.0.0.2.031
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.6580.0.0.0.0.658
total47.820.0.1.63549.42
Switzerlandn/a16.9113.4249.61429.98
crowded142.2319.31090.24251.72
normal175.5317.51097.14290.12
loose85.259.31454.26148.83
open91.2516.61157.16165.03
scattered63.566.51738.17108.14
grouped crowded33.387.11730.3870.65
grouped normal23.797.41619.01050.26
heterogeneous17.6108.31518.81044.86
total649.2195.44414.521159.11
© WSL, Swiss National Forest Inventory, 18.06.2020 #862158/328489
NFI4
forest area
avalanches SilvaProtect · crown closure
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure %± %± %± %± %± %±
n/an/a0.40.21.30.42.80.71.40.40.50.51.30.2
crowded30.11.632.21.424.91.813.81.220.32.925.50.7
normal29.81.634.91.524.71.810.51.115.62.625.20.7
loose11.21.112.91.06.81.19.41.02.61.210.10.5
open14.21.212.31.012.41.414.71.313.12.413.40.6
scattered5.90.83.20.58.61.220.01.426.13.210.00.5
grouped crowded1.60.40.60.26.91.113.51.29.82.15.40.4
grouped normal1.50.41.10.36.81.110.31.18.82.14.70.4
heterogeneous5.30.81.50.46.21.06.40.93.11.34.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.0.0.0.2.92.03.41.01.41.42.90.8
crowded30.19.60.0.35.45.918.52.116.34.521.01.8
normal26.49.30.0.11.03.920.02.210.23.717.81.7
loose26.49.20.0.16.04.513.41.99.03.513.81.6
open8.75.90.0.10.13.617.02.119.84.716.11.6
scattered0.0.0.0.6.02.97.51.414.54.27.91.2
grouped crowded0.0.0.0.4.52.66.71.45.72.75.91.1
grouped normal4.24.10.0.6.33.06.41.311.53.87.01.2
heterogeneous4.24.10.0.7.83.47.11.411.53.87.71.2
total100.0.0.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.0.3.11.82.70.72.50.51.10.42.10.3
crowded36.73.835.24.729.12.020.11.433.82.027.61.0
normal33.33.731.24.622.31.916.41.321.51.821.00.9
loose9.82.37.82.710.41.47.40.96.61.18.10.6
open12.82.613.73.413.91.618.21.310.51.314.60.8
scattered1.91.12.91.76.21.113.51.28.21.19.10.6
grouped crowded0.0.1.11.15.51.07.10.99.61.36.50.5
grouped normal1.30.90.0.3.20.87.00.96.41.05.20.5
heterogeneous4.31.64.92.16.61.17.80.92.40.75.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.30.21.50.42.80.52.20.31.00.31.70.2
crowded31.21.532.51.427.31.317.30.829.11.625.90.6
normal30.31.434.51.422.81.314.60.819.11.423.10.5
loose11.31.012.51.09.00.99.20.65.80.89.70.4
open13.91.112.51.012.91.016.60.811.91.114.00.4
scattered5.10.73.20.57.40.815.10.813.01.19.50.4
grouped crowded1.30.40.60.26.20.79.60.79.31.05.90.3
grouped normal1.50.41.00.35.20.78.20.67.40.95.10.3
heterogeneous5.10.71.80.46.40.77.10.63.40.65.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #862159/328490
NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantoncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.8500.0.0.0.0.850
crowded15.590.0.0.0.15.59
normal18.680.0.0.0.18.68
loose5.8180.0.0.0.5.818
open4.4200.0.0.0.4.420
scattered1.2400.0.0.0.1.240
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.21000.0.0.0.0.2100
total46.720.0.0.0.46.72
AIn/a0.0.0.0.0.0.0.0.
crowded0.0.0.0.0.0.0.0.
normal0.9420.21000.21001.434
loose0.6570.0.0.9421.531
open0.4680.4721.1391.927
scattered0.21000.0.0.0.0.2100
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.21000.0.0.0.0.2100
heterogeneous0.0.0.0.0.0.0.0.
total2.3250.6572.2245.19
ARn/a0.0.0.0.0.0.0.0.
crowded3.8180.21002.0266.012
normal0.3670.0.0.6590.945
loose0.0.0.0.0.21000.2100
open0.7560.0.0.0.0.756
scattered0.0.0.0.0.0.0.0.
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.31000.0.0.0.0.3100
heterogeneous0.0.0.0.0.0.0.0.
total5.3130.21002.7228.16
BEn/a2.3301.2402.1315.618
crowded17.6102.92615.81136.37
normal26.982.92618.21048.05
loose11.5130.8509.01521.39
open10.9130.6587.51619.110
scattered5.1191.0453.82310.014
grouped crowded3.7231.2413.6238.415
grouped normal2.4290.4711.5354.321
heterogeneous3.2251.6353.4248.115
total83.5412.71264.94161.11
BL/BSn/a0.6520.0.0.0.0.652
crowded6.3160.0.1.1447.414
normal5.4160.0.1.8357.214
loose1.8350.0.0.4712.231
open0.8500.0.0.6581.437
scattered0.6560.0.0.0.0.656
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.21000.0.0.0.0.2100
heterogeneous0.0.0.0.0.0.0.0.
total15.760.0.3.92219.64
FRn/a1.2420.21001.0482.328
crowded7.0150.21001.6328.713
normal6.7170.4714.61911.711
loose3.3240.0.1.1404.421
open3.7240.21001.1415.020
scattered1.9340.0.1.0502.827
grouped crowded1.3410.0.1.1402.429
grouped normal0.9500.0.0.7481.635
heterogeneous0.0.0.21000.6580.850
total25.951.04012.81039.73
GEn/a0.0.0.0.0.0.0.0.
crowded0.0.0.0.0.0.0.0.
normal0.8660.0.0.0.0.866
loose2.0320.0.0.0.2.032
open0.41000.0.0.0.0.4100
scattered0.0.0.0.0.0.0.0.
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total3.1130.0.0.0.3.113
GLn/a0.0.0.21000.21000.471
crowded1.1381.4373.1235.615
normal0.6570.5570.4691.533
loose0.21000.21000.21000.657
open1.6340.8480.21002.526
scattered0.4710.21000.6571.240
grouped crowded0.8500.21000.21001.140
grouped normal0.21000.0.0.0.0.2100
heterogeneous0.0.0.4710.21000.557
total4.9183.8205.11713.87
GRn/a1.0450.6582.7274.322
crowded7.2162.1308.11517.410
normal9.5143.72310.21323.48
loose5.9182.92610.21319.09
open10.1144.92013.51228.58
scattered7.7161.4388.81517.810
grouped crowded3.5230.8506.31710.613
grouped normal3.6231.8334.62010.014
heterogeneous5.6192.5285.31913.412
total54.2520.7969.64144.52
JUn/a0.4710.0.0.0.0.471
crowded4.1210.0.3.1247.215
normal9.0130.5563.12412.610
loose3.3230.21001.8335.218
open2.1290.21002.2304.520
scattered1.4360.0.0.0.1.436
grouped crowded0.21000.0.0.21000.470
grouped normal0.6570.0.0.0.0.657
heterogeneous0.21000.0.0.21000.471
total21.360.94310.51132.83
LUn/a1.2400.0.0.4701.634
crowded9.5130.6582.42812.511
normal8.1140.0.2.13110.212
loose3.0250.0.0.7493.722
open5.3180.0.1.0456.317
scattered3.4230.0.0.0.3.423
grouped crowded0.4710.0.0.0.0.471
grouped normal0.6570.0.0.0.0.657
heterogeneous0.4710.0.0.21000.657
total31.940.6586.81639.43
NEn/a0.0.0.0.0.0.0.0.
crowded1.6310.0.0.4712.028
normal8.4130.7570.5569.511
loose5.7170.0.0.8516.515
open3.3240.21000.8444.320
scattered1.7330.21000.21002.130
grouped crowded1.0470.0.0.0.1.047
grouped normal0.21000.0.0.0.0.2100
heterogeneous1.4340.0.0.21001.632
total23.451.0442.82427.33
NWn/a0.0.0.0.0.5720.572
crowded0.7560.4721.3372.425
normal1.0490.4720.21001.636
loose0.0.0.0.0.4670.467
open0.31000.0.0.31000.571
scattered0.8560.0.0.0.0.856
grouped crowded0.8530.31000.0.1.147
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total3.5211.2442.6267.29
OWn/a1.3370.0.0.0.1.337
crowded0.6590.6571.4372.626
normal2.7250.4722.5275.516
loose0.8440.0.0.21001.041
open1.1420.21001.2402.426
scattered0.21000.0.0.5590.750
grouped crowded1.3380.11000.4711.831
grouped normal0.7490.3720.6571.732
heterogeneous0.4710.0.0.5580.945
total9.1121.7337.41318.14
SGn/a1.3410.0.0.6581.933
crowded4.2212.0336.11612.311
normal2.9240.9506.51610.312
loose2.0310.21004.3216.417
open5.8180.8503.92210.513
scattered2.1310.4711.5374.122
grouped crowded0.8500.0.0.9501.735
grouped normal0.8500.0.0.4701.341
heterogeneous0.21000.0.0.21000.471
total20.194.42124.3748.84
SHn/a0.21000.0.0.0.0.2100
crowded5.8140.0.0.21006.014
normal3.7200.0.0.0.3.720
loose1.8330.0.0.0.1.833
open0.21000.0.0.0.0.2100
scattered0.21000.0.0.21000.469
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total11.940.0.0.46912.33
SOn/a0.21000.0.0.0.0.2100
crowded9.8120.21001.43811.411
normal12.0110.0.0.65912.610
loose3.8220.0.0.5704.321
open1.6360.0.0.4722.032
scattered0.8510.0.0.0.0.851
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.21000.0.0.0.0.2100
total28.530.21002.92631.62
SZn/a0.8490.0.0.6571.436
crowded1.2400.0.1.3372.627
normal4.0210.4693.5228.013
loose2.9260.6581.2404.719
open1.7320.3701.6343.621
scattered0.8500.0.0.8501.635
grouped crowded0.9480.0.0.4701.338
grouped normal1.2410.0.0.6571.833
heterogeneous0.0.0.0.0.6580.658
total13.5101.43710.71125.54
TGn/a1.2370.0.0.0.1.237
crowded4.8170.0.0.7445.415
normal6.6150.0.1.1407.713
loose1.9270.0.0.0.1.927
open2.0300.0.0.6582.626
scattered0.8450.0.0.0.0.845
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total17.250.0.2.42619.63
TIn/a0.21000.21000.4710.850
crowded3.3251.63523.3828.17
normal3.6230.65819.2923.48
loose2.2300.8509.51412.412
open3.1251.2417.31611.713
scattered1.6350.4714.8206.717
grouped crowded1.0451.0456.5178.415
grouped normal1.0451.5352.8265.319
heterogeneous0.4710.8501.9313.125
total16.3108.01575.6399.92
URn/a0.21000.21000.21000.556
crowded0.5561.1432.0293.620
normal0.8490.6561.1442.427
loose0.4710.4710.4691.139
open1.3370.6560.9492.725
scattered0.6580.4710.21001.140
grouped crowded0.8490.0.0.0.0.849
grouped normal0.21000.21000.0.0.472
heterogeneous0.0.0.21000.0.0.2100
total4.8183.5214.61812.96
VDn/a2.1300.0.0.4712.428
crowded13.7111.1413.42318.39
normal15.2111.3405.01921.69
loose9.7140.21002.03111.912
open14.9111.2411.53517.610
scattered7.0160.21001.0458.215
grouped crowded1.8330.0.0.21002.031
grouped normal1.6350.4710.4712.429
heterogeneous1.4370.6581.3403.224
total67.535.01915.21087.72
VSn/a0.4710.8500.6571.933
crowded2.3293.4236.81612.511
normal3.7234.02110.51318.29
loose2.8272.7266.01811.512
open3.2254.3218.51516.010
scattered4.3211.6355.31911.213
grouped crowded2.9262.7265.91811.513
grouped normal3.9231.8335.61911.313
heterogeneous1.0451.6352.3294.920
total24.5822.9851.6599.02
ZGn/a0.11000.0.0.11000.367
crowded0.0.0.0.0.0.0.0.
normal0.3710.0.0.21000.556
loose1.5320.0.0.4711.926
open0.21000.21000.7461.138
scattered0.7480.0.0.5581.233
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.4670.467
total2.9190.21002.3225.48
ZHn/a1.3390.0.0.0.1.339
crowded12.1110.0.0.75712.811
normal18.380.0.0.47218.78
loose8.3150.0.0.6588.914
open4.4210.0.0.0.4.421
scattered1.8330.0.0.0.1.833
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.6580.0.0.0.0.658
total47.120.0.1.63548.82
Switzerlandn/a16.9113.4249.61429.98
crowded132.8317.91086.15236.83
normal170.1317.51092.34279.92
loose81.058.91550.66140.64
open83.6516.01154.96154.53
scattered45.275.71929.2880.15
grouped crowded21.7106.31825.6953.66
grouped normal18.6106.41717.31142.27
heterogeneous15.3117.71617.11140.17
total585.2189.84382.821057.81
© WSL, Swiss National Forest Inventory, 18.06.2020 #862160/328491
NFI4
forest area
avalanches SilvaProtect · crown closure
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantoncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.4710.0.0.0.0.471
crowded16.790.0.0.0.16.79
normal18.680.0.0.0.18.68
loose5.4180.0.0.0.5.418
open4.8200.0.0.0.4.820
scattered1.0450.0.0.0.1.045
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.6580.0.0.0.0.658
total47.520.0.0.0.47.52
AIn/a0.0.0.0.0.21000.2100
crowded1.4340.21000.7472.223
normal0.4720.0.0.5570.942
loose0.0.0.4720.4710.849
open0.4710.0.0.21000.657
scattered0.21000.0.0.0.0.2100
grouped crowded0.21000.0.0.21000.471
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total2.5240.6572.2245.310
ARn/a0.0.0.0.0.0.0.0.
crowded2.3270.0.1.7293.918
normal1.6320.21000.7512.524
loose0.7570.0.0.21000.849
open0.21000.0.0.0.0.2100
scattered0.6590.0.0.21000.850
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.31000.0.0.0.0.3100
heterogeneous0.0.0.0.0.0.0.0.
total5.6120.21002.7228.46
BEn/a1.2411.0452.1314.321
crowded25.783.02618.51047.16
normal25.082.42915.71143.16
loose8.1151.1416.21815.411
open11.9132.03110.61324.58
scattered6.5170.6582.6289.714
grouped crowded5.2190.6583.0268.915
grouped normal3.6231.4381.2416.218
heterogeneous7.0171.0457.31615.311
total94.2313.11267.14174.31
BL/BSn/a0.0.0.0.0.0.0.0.
crowded6.9140.0.1.3418.213
normal5.8170.0.1.7347.514
loose2.1310.0.0.5702.628
open1.6350.0.0.6582.330
scattered0.21000.0.0.0.0.2100
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total16.760.0.4.12120.83
FRn/a1.3390.21000.21001.735
crowded10.7110.4713.32414.49
normal5.5190.0.2.7268.214
loose2.8260.3701.6334.719
open2.5300.0.1.7334.222
scattered1.8330.21000.9492.925
grouped crowded1.3400.0.2.2303.523
grouped normal1.2410.0.0.4711.535
heterogeneous0.31000.0.0.4710.659
total27.451.04013.41041.83
GEn/a0.41000.0.0.0.0.4100
crowded1.2500.0.0.0.1.250
normal1.2500.0.0.0.1.250
loose0.0.0.0.0.0.0.0.
open0.8660.0.0.0.0.866
scattered0.21000.0.0.0.0.2100
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total3.750.0.0.0.3.75
GLn/a0.0.0.0.0.0.0.0.
crowded1.5341.0441.9314.519
normal0.8500.9421.2402.924
loose0.21000.21000.5690.947
open1.0440.5570.9432.426
scattered0.7500.4690.6581.732
grouped crowded1.9310.8490.0.2.726
grouped normal0.7500.4700.21001.337
heterogeneous0.21000.0.0.0.0.2100
total7.1154.2195.21716.66
GRn/a1.0450.8502.7284.521
crowded8.1152.72710.21321.09
normal8.5154.72011.91225.08
loose8.5153.5238.91520.99
open12.5123.52314.41130.47
scattered15.0111.63513.21229.78
grouped crowded10.6142.2307.31620.110
grouped normal9.8142.5288.81521.19
heterogeneous3.3241.6354.7209.614
total77.4423.1981.94182.51
JUn/a0.0.0.0.0.0.0.0.
crowded8.0140.21005.01813.210
normal6.3160.5523.1249.912
loose2.3280.0.1.2403.523
open2.1290.0.0.8502.925
scattered1.6350.0.0.0.1.635
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.6570.0.0.0.0.657
heterogeneous1.0440.21000.6571.832
total22.160.94310.71133.72
LUn/a0.6570.0.0.21000.849
crowded8.8130.4712.82612.111
normal10.9120.21001.73312.810
loose3.0250.0.0.6573.623
open5.5180.0.0.8506.317
scattered1.2400.0.0.21001.437
grouped crowded0.8490.0.0.0.0.849
grouped normal0.6580.0.0.0.0.658
heterogeneous1.8330.0.0.7572.428
total33.240.6587.01640.82
NEn/a0.0.0.0.0.0.0.0.
crowded3.3230.0.0.5573.821
normal6.0160.0.0.6596.515
loose3.7210.6580.5584.818
open3.6230.4710.7494.719
scattered1.4390.0.0.0.1.439
grouped crowded0.6570.0.0.0.0.657
grouped normal1.2430.0.0.4711.537
heterogeneous4.9170.0.0.21005.117
total24.651.0442.82428.53
NWn/a0.0.0.0.0.31000.3100
crowded1.0490.7571.1422.825
normal1.0490.0.0.6581.636
loose0.0.0.0.0.0.0.0.
open0.5710.31000.4671.144
scattered0.7580.0.0.5721.244
grouped crowded0.7580.0.0.0.0.758
grouped normal0.31000.0.0.0.0.3100
heterogeneous0.31000.21000.0.0.472
total4.5181.2442.8248.47
OWn/a0.6580.0.0.21000.849
crowded2.2291.0411.6354.816
normal2.3280.21002.1304.618
loose0.0.0.0.0.9490.949
open0.7510.4701.8313.023
scattered1.9300.11000.8502.825
grouped crowded0.8500.0.0.4711.240
grouped normal1.4360.21000.0.1.634
heterogeneous0.5590.0.0.11000.751
total10.5112.0308.01320.44
SGn/a0.6580.21000.4711.241
crowded5.2182.2319.81317.29
normal6.8170.8507.71515.310
loose2.6290.7581.5384.720
open2.6280.0.2.4304.920
scattered2.3300.5712.0314.820
grouped crowded1.2410.0.1.9333.125
grouped normal3.2250.0.1.5374.720
heterogeneous0.21000.0.0.21000.471
total24.784.42127.4756.53
SHn/a0.0.0.0.0.0.0.0.
crowded5.2160.0.0.21005.416
normal6.0140.0.0.0.6.014
loose0.6550.0.0.0.0.655
open0.4690.0.0.0.0.469
scattered0.0.0.0.0.21000.2100
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total12.140.0.0.46912.53
SOn/a0.0.0.0.0.0.0.0.
crowded8.3140.21001.53810.012
normal10.6110.0.0.47211.011
loose4.9190.0.0.21005.019
open3.8220.0.0.6584.520
scattered1.0450.0.0.21001.241
grouped crowded0.9500.0.0.0.0.950
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total29.530.21002.92632.62
SZn/a0.4710.0.0.6580.945
crowded3.5230.21003.9217.614
normal3.7220.4712.4286.515
loose1.6350.21001.0452.826
open2.5270.6581.0444.121
scattered1.6350.4710.4712.428
grouped crowded0.8500.0.1.0441.833
grouped normal0.7500.0.1.1401.931
heterogeneous0.6580.0.0.4711.144
total15.591.73311.91029.14
TGn/a0.0.0.0.0.0.0.0.
crowded5.6160.0.0.7516.315
normal5.4160.0.1.2386.614
loose4.0200.0.0.4734.419
open1.6310.0.0.11001.730
scattered1.0430.0.0.0.1.043
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.4730.0.0.0.0.473
heterogeneous0.0.0.0.0.0.0.0.
total17.940.0.2.42620.32
TIn/a0.21000.0.0.6580.850
crowded6.1181.93332.2740.16
normal5.0200.85018.9924.78
loose0.8500.8504.7206.317
open4.1221.9319.81415.811
scattered6.3171.7336.01814.011
grouped crowded3.1250.6588.51512.212
grouped normal2.9261.0455.6189.514
heterogeneous1.2411.0452.0324.122
total29.589.51488.33127.42
URn/a0.0.0.0.0.0.0.0.
crowded1.2400.6572.0303.820
normal0.4711.2381.3402.825
loose0.21000.6570.21001.044
open0.8490.21000.8491.832
scattered0.7570.21000.3701.240
grouped crowded1.5350.21000.5572.328
grouped normal1.4380.4720.4712.129
heterogeneous1.1400.4710.21001.733
total7.2143.7215.71616.55
VDn/a0.8500.0.0.0.0.850
crowded20.191.4386.21727.77
normal20.591.8335.11927.47
loose6.2170.6580.8507.516
open13.9110.6581.14115.610
scattered7.8150.0.1.2419.014
grouped crowded3.1250.8500.4714.321
grouped normal1.6350.0.0.4712.031
heterogeneous2.4280.0.0.6583.025
total76.435.21915.81097.42
VSn/a1.2410.6581.2413.126
crowded6.0184.42010.91221.49
normal2.8273.1258.61414.511
loose2.4294.1213.5239.913
open6.5175.21912.51224.38
scattered13.1122.0319.21424.38
grouped crowded3.3240.6582.2306.118
grouped normal1.6350.8502.1304.521
heterogeneous3.2253.1256.71713.012
total40.2623.9857.04121.12
ZGn/a0.0.0.0.0.11000.1100
crowded0.8470.0.0.11001.042
normal0.8490.0.0.6571.336
loose1.1390.21000.7502.026
open0.6570.0.0.21000.849
scattered0.11000.0.0.21000.371
grouped crowded0.0.0.0.0.21000.2100
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.11000.1100
total3.5150.21002.3226.05
ZHn/a0.21000.0.0.0.0.2100
crowded15.0100.0.0.65815.69
normal16.990.0.0.47017.49
loose7.9150.0.0.0.7.915
open6.4170.0.0.4726.817
scattered1.2410.0.0.21001.438
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.8500.0.0.0.0.850
heterogeneous0.4700.0.0.0.0.470
total48.920.0.1.63550.51
Switzerlandn/a9.0152.8278.71520.510
crowded174.6320.610116.64311.72
normal172.6317.11089.14278.82
loose68.9513.21234.37116.54
open91.4515.61161.95168.93
scattered68.157.61638.87114.54
grouped crowded36.675.81828.0870.45
grouped normal32.286.61722.1960.96
heterogeneous28.987.41624.3960.65
total682.2196.84423.721202.71
© WSL, Swiss National Forest Inventory, 18.06.2020 #862161/328492
NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantoncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.8500.0.0.0.0.850
crowded16.090.0.0.0.16.09
normal18.680.0.0.0.18.68
loose6.0170.0.0.0.6.017
open4.7190.0.0.0.4.719
scattered1.4370.0.0.0.1.437
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.21000.0.0.0.0.2100
total47.720.0.0.0.47.72
AIn/a0.0.0.0.0.0.0.0.
crowded0.0.0.0.0.0.0.0.
normal0.9420.21000.21001.434
loose0.6570.0.0.9421.531
open0.4680.4721.1391.927
scattered0.21000.0.0.0.0.2100
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.21000.0.0.0.0.2100
heterogeneous0.0.0.0.0.0.0.0.
total2.5240.6572.2245.310
ARn/a0.0.0.0.0.0.0.0.
crowded3.8180.21002.0266.012
normal0.3670.0.0.6590.945
loose0.0.0.0.0.21000.2100
open0.7560.0.0.0.0.756
scattered0.0.0.0.0.0.0.0.
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.31000.0.0.0.0.3100
heterogeneous0.0.0.0.0.0.0.0.
total5.3130.21002.7228.16
BEn/a2.3301.2402.3305.818
crowded18.6102.92616.21137.76
normal28.182.92619.21050.25
loose11.7130.8509.01521.59
open11.1130.8507.81619.710
scattered7.1161.0454.02212.212
grouped crowded5.3191.4384.42111.013
grouped normal3.4240.6581.7335.718
heterogeneous3.6231.6353.4248.615
total91.1413.31267.94172.31
BL/BSn/a0.6520.0.0.0.0.652
crowded6.6150.0.1.1447.713
normal5.8160.0.1.8357.613
loose1.8350.0.0.7572.529
open0.8500.0.0.6581.437
scattered0.6560.0.0.0.0.656
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.21000.0.0.0.0.2100
heterogeneous0.0.0.0.0.0.0.0.
total16.360.0.4.12120.43
FRn/a1.2420.21001.0482.328
crowded7.3140.21001.6329.112
normal6.7170.4714.81911.911
loose3.3240.0.1.1404.421
open3.7240.21001.3385.219
scattered1.9340.0.1.0502.827
grouped crowded1.5380.0.1.5353.026
grouped normal1.4410.0.0.7482.031
heterogeneous0.21000.21000.6581.045
total27.251.04013.51041.72
GEn/a0.0.0.0.0.0.0.0.
crowded0.0.0.0.0.0.0.0.
normal0.8660.0.0.0.0.866
loose2.0320.0.0.0.2.032
open0.41000.0.0.0.0.4100
scattered0.6750.0.0.0.0.675
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total3.750.0.0.0.3.75
GLn/a0.0.0.21000.21000.471
crowded1.7321.4373.1236.214
normal0.6570.5570.5571.732
loose0.21000.21000.21000.657
open1.9310.8480.21002.924
scattered0.6570.21000.6571.437
grouped crowded1.0450.21000.21001.438
grouped normal0.21000.0.0.0.0.2100
heterogeneous0.0.0.5580.21000.750
total6.2164.0205.21715.46
GRn/a1.0450.6582.7274.322
crowded9.0142.7279.21421.09
normal10.5133.72311.01325.28
loose6.3173.12511.71221.19
open12.1135.31914.51131.97
scattered15.2111.43811.81328.38
grouped crowded7.0171.7357.71616.411
grouped normal4.6212.0325.31911.913
heterogeneous6.6172.9266.21715.711
total72.4423.3980.14175.82
JUn/a0.4710.0.0.0.0.471
crowded4.1210.0.3.1247.215
normal9.2130.5563.12412.810
loose3.3230.21001.8335.218
open2.1290.21002.2304.520
scattered1.4360.0.0.0.1.436
grouped crowded0.21000.0.0.21000.470
grouped normal1.1380.0.0.0.1.138
heterogeneous0.21000.0.0.21000.471
total22.160.94310.51133.52
LUn/a1.4370.0.0.4701.832
crowded10.0130.6582.42813.010
normal8.3140.0.2.13110.412
loose3.0250.0.0.7493.722
open5.9170.0.1.0456.916
scattered3.6230.0.0.21003.822
grouped crowded0.4710.0.0.0.0.471
grouped normal0.6570.0.0.0.0.657
heterogeneous0.4710.0.0.21000.657
total33.540.6587.01641.22
NEn/a0.0.0.0.0.0.0.0.
crowded1.8290.0.0.4712.227
normal8.4130.7570.5569.511
loose5.7170.0.0.8516.515
open3.5230.21001.0404.719
scattered1.9310.21000.21002.328
grouped crowded1.6360.0.0.0.1.636
grouped normal0.21000.0.0.0.0.2100
heterogeneous1.4340.0.0.21001.632
total24.551.0443.02328.63
NWn/a0.0.0.0.0.5720.572
crowded0.7560.4721.3372.425
normal1.0490.4720.4721.933
loose0.0.0.0.0.4670.467
open0.5710.0.0.31000.856
scattered1.1470.0.0.0.1.147
grouped crowded1.0470.31000.0.1.343
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total4.3181.2442.8248.27
OWn/a1.3370.0.0.0.1.337
crowded0.6590.6571.4372.626
normal2.7250.4722.6265.715
loose1.0410.0.0.21001.238
open1.1420.21001.2402.426
scattered0.21000.0.0.5590.750
grouped crowded1.5350.11000.4712.030
grouped normal0.9440.3720.6571.930
heterogeneous0.6580.0.0.5581.141
total9.9111.7337.51319.04
SGn/a1.3410.0.0.6581.933
crowded4.4212.0336.11612.511
normal2.9240.9507.91411.811
loose2.8260.21004.9207.815
open6.2180.8504.32111.312
scattered2.4300.4712.0334.720
grouped crowded1.4370.0.1.3412.727
grouped normal1.0450.0.0.4701.538
heterogeneous0.4710.0.0.21000.658
total22.884.42127.7654.83
SHn/a0.21000.0.0.0.0.2100
crowded5.8140.0.0.21006.014
normal3.7200.0.0.0.3.720
loose1.8330.0.0.0.1.833
open0.21000.0.0.0.0.2100
scattered0.21000.0.0.21000.469
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total11.940.0.0.46912.33
SOn/a0.21000.0.0.0.0.2100
crowded10.2120.21001.43811.710
normal12.2100.0.0.65912.710
loose4.0220.0.0.5704.520
open1.6360.0.0.4722.032
scattered0.8510.0.0.21001.045
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.21000.0.0.0.0.2100
total29.230.21003.12532.52
SZn/a0.8490.0.0.6571.436
crowded1.2400.21001.5353.025
normal4.3200.4693.7228.413
loose3.1250.6581.6345.318
open1.8310.3701.6343.721
scattered1.6350.0.0.8502.429
grouped crowded1.5360.0.0.6562.129
grouped normal1.4380.0.0.6572.031
heterogeneous0.0.0.0.0.6580.658
total15.791.63511.71129.04
TGn/a1.2370.0.0.0.1.237
crowded5.5160.0.0.7446.114
normal6.7140.0.1.1407.913
loose1.9270.0.0.0.1.927
open2.0300.0.0.6582.626
scattered0.8450.0.0.0.0.845
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total18.140.0.2.42620.53
TIn/a0.21000.21000.4710.850
crowded4.8201.83325.0831.67
normal4.0220.65821.5926.18
loose3.0261.04510.51314.411
open4.1221.2417.91513.212
scattered4.3211.1418.41513.911
grouped crowded2.7261.2417.61611.513
grouped normal2.3291.7333.7237.815
heterogeneous0.8501.0452.5284.221
total26.289.71487.53123.42
URn/a0.21000.21000.21000.556
crowded1.2391.1432.2274.518
normal1.1390.6561.1442.825
loose0.4710.6580.6571.534
open1.5350.6560.9492.925
scattered1.2410.4710.3701.931
grouped crowded1.0440.0.0.21001.240
grouped normal0.4710.21000.0.0.658
heterogeneous0.21000.21000.0.0.370
total7.3143.7215.31616.35
VDn/a2.1300.0.0.4712.428
crowded14.9101.3383.82220.08
normal16.9101.3405.21923.48
loose10.7130.21002.03112.912
open16.7101.2411.53519.49
scattered9.0140.21001.04510.213
grouped crowded2.8260.0.0.4713.325
grouped normal2.3300.4710.4713.126
heterogeneous1.4370.6581.3403.224
total76.835.21916.01097.92
VSn/a0.4710.8500.6571.933
crowded3.5233.8227.41514.811
normal4.9204.02110.71319.79
loose3.4242.7266.41712.512
open4.4214.3218.71517.410
scattered7.6161.6357.11616.311
grouped crowded4.9202.7266.51714.111
grouped normal5.1202.2305.61912.912
heterogeneous1.0451.6352.7265.319
total35.3723.7855.84114.82
ZGn/a0.11000.0.0.11000.367
crowded0.21000.0.0.0.0.2100
normal0.3710.0.0.21000.556
loose1.5320.0.0.4711.926
open0.21000.21000.9391.333
scattered0.8410.0.0.5581.329
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.4670.467
total3.3170.21002.5205.95
ZHn/a1.3390.0.0.0.1.339
crowded12.1110.0.0.75712.811
normal18.680.0.0.47218.98
loose8.3150.0.0.6588.914
open4.6200.0.0.0.4.620
scattered2.0310.0.0.0.2.031
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.6580.0.0.0.0.658
total47.820.0.1.63549.42
Switzerlandn/a17.1113.4249.81430.38
crowded144.0319.51090.84254.32
normal177.4317.51099.24294.22
loose85.659.51455.06150.13
open92.4416.61157.96166.93
scattered66.356.51738.97111.74
grouped crowded34.687.51631.0873.25
grouped normal25.697.41619.01052.06
heterogeneous17.8108.51519.01045.36
total660.9196.44420.721178.01
© WSL, Swiss National Forest Inventory, 18.06.2020 #862162/328493
NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantoncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.7500.0.0.0.0.750
crowded16.890.0.0.0.16.89
normal18.480.0.0.0.18.48
loose5.4170.0.0.0.5.417
open4.4190.0.0.0.4.419
scattered1.3370.0.0.0.1.337
grouped crowded0.3700.0.0.0.0.370
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.21000.0.0.0.0.2100
total47.520.0.0.0.47.52
AIn/a0.0.0.0.0.0.0.0.
crowded0.0.0.0.0.21000.2100
normal0.7430.21000.3721.232
loose0.6490.0.0.7431.330
open0.5550.5571.1372.024
scattered0.21000.0.0.21000.471
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.21000.0.0.0.0.2100
heterogeneous0.0.0.0.0.0.0.0.
total2.4230.6482.4205.48
ARn/a0.0.0.0.0.0.0.0.
crowded3.5180.11001.8265.512
normal0.4560.0.0.5590.940
loose0.0.0.21000.11000.472
open0.8490.0.0.0.0.849
scattered0.0.0.0.0.0.0.0.
grouped crowded0.5590.0.0.0.0.559
grouped normal0.21000.0.0.0.0.2100
heterogeneous0.0.0.0.0.0.0.0.
total5.5120.4722.4228.36
BEn/a2.1291.1412.7255.917
crowded17.8102.92416.11036.86
normal26.783.32319.4949.55
loose11.7120.7509.01421.49
open10.8121.1418.51420.39
scattered6.9160.9453.92111.712
grouped crowded5.3181.2384.22010.712
grouped normal3.0241.2382.2286.416
heterogeneous3.5221.6333.3238.414
total87.8314.01169.34171.11
BL/BSn/a0.5530.0.0.0.0.553
crowded6.4150.0.1.1407.613
normal5.4160.0.1.8337.214
loose1.8330.0.0.6572.528
open1.2410.0.0.6581.833
scattered0.7490.0.0.0.0.749
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.21000.0.0.0.0.2100
heterogeneous0.0.0.0.0.0.0.0.
total16.460.0.4.12020.53
FRn/a1.4360.21001.2382.823
crowded6.9140.21002.1289.112
normal6.5150.3714.31911.111
loose3.3230.0.1.4354.619
open3.4230.21001.7315.318
scattered1.8320.0.0.9452.726
grouped crowded1.6330.0.1.4353.024
grouped normal1.1400.21000.6491.929
heterogeneous0.21000.21000.5580.945
total26.251.13614.1941.42
GEn/a0.0.0.0.0.0.0.0.
crowded0.0.0.0.0.0.0.0.
normal0.7670.0.0.0.0.767
loose2.1270.0.0.0.2.127
open0.41000.0.0.0.0.4100
scattered0.5750.0.0.0.0.575
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total3.750.0.0.0.3.75
GLn/a0.21000.21000.11000.557
crowded1.7281.5352.9236.114
normal0.9440.5570.5571.929
loose0.21000.21000.21000.657
open1.7310.8440.3712.823
scattered0.7500.21000.7501.633
grouped crowded1.2380.21000.21001.533
grouped normal0.21000.0.0.0.0.2100
heterogeneous0.0.0.5580.21000.650
total6.8143.8195.11615.76
GRn/a0.9450.7502.4274.021
crowded8.6142.8259.01420.59
normal9.8134.12110.71224.58
loose6.8163.32312.21222.38
open12.2125.11814.11131.47
scattered14.9111.23811.61227.78
grouped crowded6.6161.5357.41515.410
grouped normal5.3182.1295.51812.911
heterogeneous7.1152.8256.31616.210
total72.2423.6879.14175.01
JUn/a0.4710.0.0.0.0.471
crowded4.2200.0.3.0237.214
normal9.8120.5573.22313.49
loose3.2230.11001.6334.918
open1.9300.21002.0304.120
scattered1.5340.0.0.0.1.534
grouped crowded0.21000.0.0.21000.470
grouped normal1.2350.0.0.0.1.235
heterogeneous0.21000.0.0.21000.471
total22.560.84310.11133.42
LUn/a1.4350.0.0.5571.929
crowded10.1120.5572.22712.810
normal8.3130.0.1.73110.012
loose2.9240.0.0.7493.621
open6.1160.0.1.0417.114
scattered3.7200.0.0.21003.920
grouped crowded0.5580.0.0.0.0.558
grouped normal0.5570.0.0.0.0.557
heterogeneous0.3710.0.0.21000.557
total33.840.5576.51540.82
NEn/a0.0.0.0.0.0.0.0.
crowded2.1270.0.0.4712.525
normal8.0120.7500.5569.211
loose5.7160.0.0.8456.514
open3.4220.21001.2384.718
scattered2.0290.21000.21002.327
grouped crowded1.4370.0.0.0.1.437
grouped normal0.21000.0.0.0.0.2100
heterogeneous1.7310.0.0.21001.929
total24.541.1403.22228.83
NWn/a0.0.0.0.0.4720.472
crowded0.6560.8501.1382.423
normal1.0430.6580.6572.327
loose0.0.0.0.0.3670.367
open0.4710.0.0.21000.756
scattered0.9470.0.0.0.0.947
grouped crowded0.9470.21000.0.1.143
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.21000.2100
total3.8181.6332.9228.36
OWn/a1.4350.0.0.21001.633
crowded0.5590.6571.3372.426
normal2.8240.3722.8245.914
loose1.5330.0.0.4711.930
open1.0420.21001.1402.326
scattered0.21000.0.0.5590.750
grouped crowded1.4350.11000.4711.929
grouped normal0.9440.3720.6571.830
heterogeneous0.6580.0.0.5581.041
total10.3111.5337.81219.64
SGn/a1.1410.0.0.5581.733
crowded5.1181.9316.41513.410
normal3.0230.8508.21312.111
loose2.6250.21004.8197.615
open5.6170.7504.42010.812
scattered2.7260.4711.7334.719
grouped crowded1.3370.0.1.1412.427
grouped normal1.1410.0.0.6571.733
heterogeneous0.4710.0.0.21000.558
total23.084.02128.0654.93
SHn/a0.21000.0.0.0.0.2100
crowded5.7140.0.0.21005.814
normal3.6200.0.0.0.3.620
loose1.6310.0.0.21001.829
open0.5720.0.0.0.0.572
scattered0.21000.0.0.21000.469
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total11.740.0.0.55712.23
SOn/a0.21000.0.0.0.0.2100
crowded10.5110.21001.43512.110
normal11.3100.0.0.75012.010
loose4.3190.0.0.4714.818
open1.9300.0.0.4712.327
scattered0.7510.0.0.21000.945
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.21000.0.0.0.0.2100
total29.230.21003.12432.42
SZn/a0.8490.0.0.7491.534
crowded1.1400.21001.7313.023
normal4.0190.4703.8208.212
loose2.6250.5581.6324.818
open2.1280.3701.6334.019
scattered1.4350.0.0.9452.327
grouped crowded1.5340.0.0.6562.128
grouped normal1.2380.0.0.7492.029
heterogeneous0.3710.0.0.5580.944
total15.191.43512.21028.73
TGn/a1.0380.0.0.0.1.038
crowded5.2150.0.1.0386.313
normal6.9130.0.1.0407.912
loose1.8270.0.0.0.1.827
open2.0280.0.0.5582.525
scattered0.7450.0.0.0.0.745
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total17.740.0.2.52320.23
TIn/a0.21000.21000.3710.750
crowded4.8192.12926.3733.26
normal3.8220.55821.6825.97
loose3.0241.04110.11314.111
open3.8211.3387.41512.611
scattered4.0211.0418.31413.411
grouped crowded3.0241.4357.21511.612
grouped normal2.3281.5333.5227.315
heterogeneous0.7501.0412.6264.320
total25.6810.11387.33123.02
URn/a0.21000.3710.21000.649
crowded1.2361.3362.4264.916
normal1.1390.6560.9442.625
loose0.3710.5580.5571.434
open1.4350.5570.8492.725
scattered1.2380.3710.3701.829
grouped crowded0.9440.0.0.21001.140
grouped normal0.6570.3710.0.0.944
heterogeneous0.3710.21000.0.0.558
total7.3134.1195.21616.65
VDn/a2.1280.0.0.3712.426
crowded14.8101.2383.62119.68
normal16.891.2405.21823.18
loose10.6120.21002.42713.211
open16.991.4351.93020.28
scattered8.3140.3710.9459.613
grouped crowded2.9250.0.0.4713.223
grouped normal2.4280.3710.4713.124
heterogeneous1.6330.5581.1403.323
total76.335.21816.21097.82
VSn/a0.6580.7500.8502.030
crowded4.2204.2207.71416.110
normal5.3184.12010.41219.88
loose3.6222.8256.31612.611
open4.5203.8218.61416.910
scattered7.4151.4356.51615.310
grouped crowded5.4182.6256.01714.011
grouped normal5.0192.5275.51813.011
heterogeneous0.9451.8312.4265.118
total36.8623.9854.04114.72
ZGn/a0.11000.0.0.11000.367
crowded0.21000.0.0.0.0.2100
normal0.3710.0.0.21000.556
loose1.3330.0.0.4711.727
open0.4680.21000.9391.431
scattered1.0370.0.0.5571.527
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.4670.467
total3.4150.21002.4206.05
ZHn/a1.4360.0.0.0.1.436
crowded11.7110.0.0.65712.311
normal18.480.0.0.47118.88
loose8.5140.0.0.5589.013
open4.3200.0.0.0.4.320
scattered2.4260.0.0.0.2.426
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.5580.0.0.0.0.558
total47.420.0.1.53548.92
Switzerlandn/a16.8103.32310.51330.67
crowded143.8320.5992.44256.72
normal174.1318.01098.54290.62
loose85.549.81355.26150.53
open91.6416.41058.35166.33
scattered65.356.01737.67108.94
grouped crowded35.377.21629.1871.65
grouped normal25.588.51419.6953.66
heterogeneous18.9108.41418.71046.16
total656.8198.14420.021174.90
© WSL, Swiss National Forest Inventory, 18.06.2020 #862163/328494
NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a9.0153.9232.2300.4711.0450.210016.611
crowded96.0414.6119.5142.3296.4174.122132.93
normal125.0317.4108.9143.7239.1144.222168.23
loose51.7610.5147.1162.8275.0203.22580.35
open43.7612.71210.9133.2259.2144.12283.85
scattered18.4108.5154.8204.3217.4161.83345.37
grouped crowded4.7216.1183.2252.9263.5231.04521.410
grouped normal2.6284.6212.8273.9233.6231.04518.510
heterogeneous4.9203.2250.21001.0455.4190.65815.411
total356.0181.4449.7524.5850.6520.19582.41
inside perimetern/a0.0.1.4380.4700.8500.6580.21003.424
crowded1.8334.5214.4213.4231.9321.73317.810
normal1.6354.7202.7264.0212.9261.43817.410
loose0.4710.8501.3382.7262.6281.2419.115
open0.4712.2303.2254.3213.7232.42916.111
scattered0.4711.0451.0451.6351.4380.4715.719
grouped crowded0.0.1.6350.21002.7260.6581.2416.318
grouped normal0.0.1.2410.21001.8331.6351.7336.517
heterogeneous0.0.2.4290.6581.6351.5351.8337.916
total4.72019.81014.01122.9817.01011.91290.24
outside perimetern/a0.21003.9221.8330.6572.3300.8509.614
crowded17.61016.11115.2116.8165.81825.3886.85
normal15.21125.6812.21210.5137.21622.0992.84
loose7.51610.9136.6176.0186.51713.21250.86
open7.11710.5148.3158.51511.4139.51455.56
scattered1.9324.7213.6235.3197.5166.01829.08
grouped crowded0.6585.0201.4385.9185.3197.51625.69
grouped normal0.21003.1251.0445.6194.0223.32417.211
heterogeneous1.0455.4191.4382.3293.7233.62317.411
total51.4685.3451.5551.6553.7591.13384.62
totaln/a9.1159.2144.4211.9333.9231.24129.78
crowded115.4435.2729.1712.51114.11131.17237.43
normal141.9347.7623.9818.2919.2927.58278.42
loose59.6522.2915.11111.51214.21117.610140.14
open51.2625.4822.5916.01024.4816.011155.43
scattered20.8914.1119.41411.21316.3118.21580.05
grouped crowded5.31912.7124.72011.5139.4149.61453.26
grouped normal2.8278.9154.02211.3139.2145.91842.27
heterogeneous5.91811.0132.2304.92010.6136.01840.67
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 18.06.2020 #862164/328495
NFI4
forest area
avalanches SilvaProtect · crown closure
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantoncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.4710.0.0.0.0.471
crowded16.390.0.0.0.16.39
normal18.680.0.0.0.18.68
loose5.4180.0.0.0.5.418
open4.8200.0.0.0.4.820
scattered1.0450.0.0.0.1.045
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.21000.0.0.0.0.2100
total46.720.0.0.0.46.72
AIn/a0.0.0.0.0.21000.2100
crowded1.4340.21000.7472.223
normal0.4720.0.0.5570.942
loose0.0.0.4720.4710.849
open0.4710.0.0.21000.657
scattered0.21000.0.0.0.0.2100
grouped crowded0.0.0.0.0.21000.2100
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total2.3250.6572.2245.19
ARn/a0.0.0.0.0.0.0.0.
crowded2.1290.0.1.7293.819
normal1.6320.21000.7512.524
loose0.7570.0.0.21000.849
open0.21000.0.0.0.0.2100
scattered0.5710.0.0.21000.659
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.31000.0.0.0.0.3100
heterogeneous0.0.0.0.0.0.0.0.
total5.3130.21002.7228.16
BEn/a1.0441.0452.1314.122
crowded23.493.02617.71044.16
normal24.882.23015.11142.16
loose7.9151.1416.01815.011
open11.2132.03110.41423.59
scattered4.0220.6582.6287.216
grouped crowded3.0260.4712.8276.218
grouped normal2.4291.4381.2415.020
heterogeneous5.8181.0457.11613.912
total83.5412.71264.94161.11
BL/BSn/a0.0.0.0.0.0.0.0.
crowded6.6150.0.1.3418.013
normal5.3180.0.1.7346.914
loose2.1310.0.0.21002.429
open1.5370.0.0.6582.131
scattered0.21000.0.0.0.0.2100
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total15.760.0.3.92219.64
FRn/a1.3390.21000.21001.735
crowded10.1120.4713.12413.610
normal5.5190.0.2.7268.214
loose2.6270.3701.6334.519
open2.5300.0.1.5354.023
scattered1.8330.21000.9492.925
grouped crowded0.7570.0.2.0312.727
grouped normal1.2410.0.0.4711.535
heterogeneous0.31000.0.0.4710.659
total25.951.04012.81039.73
GEn/a0.41000.0.0.0.0.4100
crowded1.2500.0.0.0.1.250
normal1.2500.0.0.0.1.250
loose0.0.0.0.0.0.0.0.
open0.41000.0.0.0.0.4100
scattered0.0.0.0.0.0.0.0.
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total3.1130.0.0.0.3.113
GLn/a0.0.0.0.0.0.0.0.
crowded1.0431.0441.9313.920
normal0.6570.9421.2402.725
loose0.21000.0.0.5690.756
open0.6570.4710.7481.732
scattered0.5570.4690.6581.534
grouped crowded1.1410.8490.0.2.031
grouped normal0.6580.4700.21001.140
heterogeneous0.21000.0.0.0.0.2100
total4.9183.8205.11713.87
GRn/a1.0450.8502.2304.122
crowded5.9182.1309.21417.310
normal7.9154.52110.31322.79
loose6.7173.5237.31617.510
open11.3133.12513.01227.48
scattered8.9151.24111.01321.09
grouped crowded4.6211.8335.31911.713
grouped normal5.5192.3297.01714.811
heterogeneous2.3291.4384.3218.015
total54.2520.7969.64144.52
JUn/a0.0.0.0.0.0.0.0.
crowded7.6150.21004.91912.710
normal6.3160.5523.1249.912
loose2.3280.0.1.2403.523
open2.1290.0.0.8502.925
scattered1.4370.0.0.0.1.437
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.4710.0.0.0.0.471
heterogeneous1.0440.21000.6571.832
total21.360.94310.51132.83
LUn/a0.6570.0.0.21000.849
crowded8.4140.4712.82611.611
normal10.9120.21001.73312.810
loose3.0250.0.0.6573.623
open5.1190.0.0.8505.917
scattered1.2400.0.0.21001.437
grouped crowded0.4700.0.0.0.0.470
grouped normal0.6580.0.0.0.0.658
heterogeneous1.8330.0.0.5692.229
total31.940.6586.81639.43
NEn/a0.0.0.0.0.0.0.0.
crowded3.1240.0.0.5573.622
normal5.7160.0.0.6596.315
loose3.7210.6580.5584.818
open3.6230.4710.7494.719
scattered1.0470.0.0.0.1.047
grouped crowded0.4690.0.0.0.0.469
grouped normal1.0470.0.0.4711.439
heterogeneous4.9170.0.0.21005.117
total23.451.0442.82427.33
NWn/a0.0.0.0.0.31000.3100
crowded1.0490.7571.1422.825
normal1.0490.0.0.6581.636
loose0.0.0.0.0.0.0.0.
open0.5710.31000.4671.144
scattered0.31000.0.0.21000.571
grouped crowded0.5710.0.0.0.0.571
grouped normal0.31000.0.0.0.0.3100
heterogeneous0.0.0.21000.0.0.2100
total3.5211.2442.6267.29
OWn/a0.6580.0.0.21000.849
crowded2.0301.0411.5374.517
normal2.1300.21001.9324.220
loose0.0.0.0.0.9490.949
open0.7510.21001.8312.724
scattered1.3370.0.0.8502.129
grouped crowded0.6570.0.0.21000.850
grouped normal1.2390.21000.0.1.436
heterogeneous0.5590.0.0.11000.751
total9.1121.7337.41318.14
SGn/a0.6580.21000.4711.241
crowded4.9192.2318.91316.09
normal6.4170.8507.11514.210
loose1.7350.7581.5383.923
open2.1320.0.1.9334.022
scattered1.7350.5712.0314.222
grouped crowded0.6580.0.1.5382.031
grouped normal2.0330.0.0.8492.827
heterogeneous0.21000.0.0.21000.471
total20.194.42124.3748.84
SHn/a0.0.0.0.0.0.0.0.
crowded5.0160.0.0.21005.216
normal6.0140.0.0.0.6.014
loose0.6550.0.0.0.0.655
open0.4690.0.0.0.0.469
scattered0.0.0.0.0.21000.2100
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total11.940.0.0.46912.33
SOn/a0.0.0.0.0.0.0.0.
crowded8.1140.21001.5389.812
normal10.4110.0.0.47210.811
loose4.6200.0.0.21004.819
open3.6220.0.0.6584.320
scattered1.0450.0.0.21001.241
grouped crowded0.7580.0.0.0.0.758
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total28.530.21002.92631.62
SZn/a0.4710.0.0.6580.945
crowded3.3240.21003.4227.015
normal3.7220.4712.2296.315
loose1.2400.21001.0452.428
open2.3290.4710.8503.623
scattered1.0440.21000.4711.634
grouped crowded0.6580.0.0.6571.241
grouped normal0.5580.0.1.1401.732
heterogeneous0.4710.0.0.4710.950
total13.5101.43710.71125.54
TGn/a0.0.0.0.0.0.0.0.
crowded5.3170.0.0.7516.015
normal5.4160.0.1.2386.614
loose3.8200.0.0.4734.119
open1.6310.0.0.11001.730
scattered0.7500.0.0.0.0.750
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.4730.0.0.0.0.473
heterogeneous0.0.0.0.0.0.0.0.
total17.250.0.2.42619.63
TIn/a0.21000.0.0.4710.658
crowded4.7201.73530.4736.86
normal3.7230.85016.91021.49
loose0.6580.6583.8234.920
open2.3291.9318.21512.512
scattered1.9311.1412.9266.018
grouped crowded1.1410.21007.2168.515
grouped normal1.0450.8504.3216.018
heterogeneous0.8501.0451.4383.225
total16.3108.01575.6399.92
URn/a0.0.0.0.0.0.0.0.
crowded0.9440.6571.8313.321
normal0.21001.2381.3402.625
loose0.21000.4690.21000.849
open0.8490.21000.7571.734
scattered0.7570.21000.21001.044
grouped crowded0.3700.21000.0.0.557
grouped normal0.7500.4720.4711.534
heterogeneous0.9440.4710.21001.534
total4.8183.5214.61812.96
VDn/a0.8500.0.0.0.0.850
crowded18.291.4386.01725.67
normal18.991.8334.92025.67
loose5.8180.6580.8507.116
open13.3110.6581.14115.011
scattered5.8180.0.1.2417.016
grouped crowded1.0450.6580.4712.031
grouped normal1.2410.0.0.21001.438
heterogeneous2.4280.0.0.6583.025
total67.535.01915.21087.72
VSn/a1.0450.6581.2412.926
crowded4.0224.22110.11318.39
normal2.0312.9258.31513.111
loose2.0323.8223.5239.314
open4.4215.21912.11221.89
scattered5.2191.8337.31614.311
grouped crowded1.7330.4711.6353.723
grouped normal1.4380.8501.9314.122
heterogeneous2.8273.1255.51911.413
total24.5822.9851.6599.02
ZGn/a0.0.0.0.0.11000.1100
crowded0.6570.0.0.11000.849
normal0.6570.0.0.6571.238
loose1.1390.21000.7502.026
open0.4720.0.0.21000.659
scattered0.11000.0.0.21000.371
grouped crowded0.0.0.0.0.21000.2100
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.11000.1100
total2.9190.21002.3225.48
ZHn/a0.21000.0.0.0.0.2100
crowded14.4100.0.0.65815.010
normal16.590.0.0.47016.99
loose7.9150.0.0.0.7.915
open6.0180.0.0.4726.417
scattered0.8500.0.0.21001.045
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.8500.0.0.0.0.850
heterogeneous0.4700.0.0.0.0.470
total47.120.0.1.63548.82
Switzerlandn/a8.6162.8278.11619.510
crowded159.5319.610110.14289.12
normal165.5316.51183.45265.42
loose64.1512.41231.38107.74
open82.2514.71157.16153.93
scattered41.376.11831.2878.55
grouped crowded18.0114.42122.0944.47
grouped normal21.4106.21817.91045.56
heterogeneous24.997.21621.7953.86
total585.2189.84382.821057.81
© WSL, Swiss National Forest Inventory, 18.06.2020 #862165/328496
NFI4
forest area
avalanches SilvaProtect · crown closure
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantoncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.4710.0.0.0.0.471
crowded16.790.0.0.0.16.79
normal18.680.0.0.0.18.68
loose5.4180.0.0.0.5.418
open4.8200.0.0.0.4.820
scattered1.0450.0.0.0.1.045
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.6580.0.0.0.0.658
total47.520.0.0.0.47.52
AIn/a0.0.0.0.0.21000.2100
crowded1.4340.21000.7472.223
normal0.4720.0.0.5570.942
loose0.0.0.4720.4710.849
open0.4710.0.0.21000.657
scattered0.21000.0.0.0.0.2100
grouped crowded0.21000.0.0.21000.471
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total2.5240.6572.2245.310
ARn/a0.0.0.0.0.0.0.0.
crowded2.1290.0.1.7293.819
normal1.6320.21000.7512.524
loose0.7570.0.0.21000.849
open0.21000.0.0.0.0.2100
scattered0.5710.0.0.21000.659
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.31000.0.0.0.0.3100
heterogeneous0.0.0.0.0.0.0.0.
total5.3130.21002.7228.16
BEn/a1.2411.0452.1314.321
crowded24.493.02618.31045.76
normal25.082.42915.51142.96
loose7.9151.1416.01815.011
open11.9132.03110.61324.58
scattered5.1200.6582.6288.215
grouped crowded4.2220.6583.0267.916
grouped normal3.2251.4381.2415.818
heterogeneous6.4171.0457.31614.711
total89.3413.11266.54168.91
BL/BSn/a0.0.0.0.0.0.0.0.
crowded6.9140.0.1.3418.213
normal5.7170.0.1.7347.314
loose2.1310.0.0.5702.628
open1.5370.0.0.6582.131
scattered0.21000.0.0.0.0.2100
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total16.360.0.4.12120.43
FRn/a1.3390.21000.21001.735
crowded10.3120.4713.32414.09
normal5.5190.0.2.7268.214
loose2.8260.3701.6334.719
open2.5300.0.1.7334.222
scattered1.8330.21000.9492.925
grouped crowded1.3400.0.2.2303.523
grouped normal1.2410.0.0.4711.535
heterogeneous0.31000.0.0.4710.659
total27.051.04013.41041.43
GEn/a0.41000.0.0.0.0.4100
crowded1.2500.0.0.0.1.250
normal1.2500.0.0.0.1.250
loose0.0.0.0.0.0.0.0.
open0.8660.0.0.0.0.866
scattered0.21000.0.0.0.0.2100
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total3.750.0.0.0.3.75
GLn/a0.0.0.0.0.0.0.0.
crowded1.1391.0441.9314.119
normal0.8500.9421.2402.924
loose0.21000.0.0.5690.756
open1.0440.5570.9432.426
scattered0.5570.4690.6581.534
grouped crowded1.4380.8490.0.2.229
grouped normal0.7500.4700.21001.337
heterogeneous0.21000.0.0.0.0.2100
total6.0164.0205.21715.26
GRn/a1.0450.8502.7284.521
crowded7.5162.7279.81420.09
normal8.5154.52111.91224.88
loose8.3153.5238.31520.19
open12.1123.52313.81129.48
scattered12.7121.63512.81227.18
grouped crowded8.8152.2306.51717.610
grouped normal8.0162.5288.61519.110
heterogeneous2.7271.4384.7208.815
total69.8522.7979.04171.52
JUn/a0.0.0.0.0.0.0.0.
crowded7.8140.21004.91912.910
normal6.3160.5523.1249.912
loose2.3280.0.1.2403.523
open2.1290.0.0.8502.925
scattered1.6350.0.0.0.1.635
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.6570.0.0.0.0.657
heterogeneous1.0440.21000.6571.832
total21.960.94310.51133.43
LUn/a0.6570.0.0.21000.849
crowded8.6140.4712.82611.911
normal10.9120.21001.73312.810
loose3.0250.0.0.6573.623
open5.5180.0.0.8506.317
scattered1.2400.0.0.21001.437
grouped crowded0.6560.0.0.0.0.656
grouped normal0.6580.0.0.0.0.658
heterogeneous1.8330.0.0.7572.428
total32.840.6587.01640.42
NEn/a0.0.0.0.0.0.0.0.
crowded3.3230.0.0.5573.821
normal5.7160.0.0.6596.315
loose3.7210.6580.5584.818
open3.6230.4710.7494.719
scattered1.2430.0.0.0.1.243
grouped crowded0.6570.0.0.0.0.657
grouped normal1.2430.0.0.4711.537
heterogeneous4.9170.0.0.21005.117
total24.151.0442.82428.03
NWn/a0.0.0.0.0.31000.3100
crowded1.0490.7571.1422.825
normal1.0490.0.0.6581.636
loose0.0.0.0.0.0.0.0.
open0.5710.31000.4671.144
scattered0.7580.0.0.5721.244
grouped crowded0.5710.0.0.0.0.571
grouped normal0.31000.0.0.0.0.3100
heterogeneous0.31000.21000.0.0.472
total4.3181.2442.8248.27
OWn/a0.6580.0.0.21000.849
crowded2.0301.0411.6354.617
normal2.3280.21001.9324.419
loose0.0.0.0.0.9490.949
open0.7510.21001.8312.724
scattered1.7320.0.0.8502.526
grouped crowded0.6570.0.0.21000.850
grouped normal1.4360.21000.0.1.634
heterogeneous0.5590.0.0.11000.751
total9.9111.7337.51319.04
SGn/a0.6580.21000.4711.241
crowded5.0182.2319.61316.99
normal6.5170.8507.51514.810
loose2.3300.7581.5384.521
open2.3300.0.2.1314.521
scattered1.9330.5712.0314.421
grouped crowded0.8500.0.1.7352.529
grouped normal2.6280.0.1.5374.122
heterogeneous0.21000.0.0.21000.471
total22.484.42126.5753.33
SHn/a0.0.0.0.0.0.0.0.
crowded5.0160.0.0.21005.216
normal6.0140.0.0.0.6.014
loose0.6550.0.0.0.0.655
open0.4690.0.0.0.0.469
scattered0.0.0.0.0.21000.2100
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total11.940.0.0.46912.33
SOn/a0.0.0.0.0.0.0.0.
crowded8.1140.21001.5389.812
normal10.6110.0.0.47211.011
loose4.6200.0.0.21004.819
open3.8220.0.0.6584.520
scattered1.0450.0.0.21001.241
grouped crowded0.9500.0.0.0.0.950
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total29.030.21002.92632.12
SZn/a0.4710.0.0.6580.945
crowded3.5230.21003.6227.414
normal3.7220.4712.4286.515
loose1.6350.21001.0452.826
open2.5270.4711.0444.021
scattered1.6350.4710.4712.428
grouped crowded0.8500.0.1.0441.833
grouped normal0.7500.0.1.1401.931
heterogeneous0.4710.0.0.4710.950
total15.391.63511.71128.54
TGn/a0.0.0.0.0.0.0.0.
crowded5.6160.0.0.7516.315
normal5.4160.0.1.2386.614
loose3.8200.0.0.4734.119
open1.6310.0.0.11001.730
scattered1.0430.0.0.0.1.043
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.4730.0.0.0.0.473
heterogeneous0.0.0.0.0.0.0.0.
total17.740.0.2.42620.12
TIn/a0.21000.0.0.6580.850
crowded5.7191.93331.9739.56
normal4.6210.85018.71024.18
loose0.6580.8504.3215.718
open3.3241.9319.61414.811
scattered5.5191.7335.61812.812
grouped crowded2.5270.6588.11511.213
grouped normal2.1301.0455.5198.515
heterogeneous1.2411.0451.8333.922
total25.689.51486.23121.32
URn/a0.0.0.0.0.0.0.0.
crowded1.2400.6571.8313.620
normal0.4711.2381.3402.825
loose0.21000.6570.21001.044
open0.8490.21000.7571.734
scattered0.7570.21000.3701.240
grouped crowded1.3380.21000.5572.129
grouped normal1.2410.4720.4711.931
heterogeneous1.1400.4710.21001.733
total6.8153.7215.31615.86
VDn/a0.8500.0.0.0.0.850
crowded19.991.4386.01727.37
normal20.591.8335.11927.47
loose6.0180.6580.8507.316
open13.9110.6581.14115.610
scattered7.0160.0.1.2418.215
grouped crowded2.9260.8500.4714.122
grouped normal1.4380.0.0.4711.833
heterogeneous2.4280.0.0.6583.025
total74.735.21915.61095.62
VSn/a1.2410.6581.2413.126
crowded5.4194.42010.91220.89
normal2.8273.1258.61414.511
loose2.4294.1213.5239.913
open5.7185.21912.51223.58
scattered10.3141.8339.01421.09
grouped crowded2.1300.6582.2304.920
grouped normal1.6350.8502.1304.521
heterogeneous2.8273.1255.71811.612
total34.3723.7855.84113.82
ZGn/a0.0.0.0.0.11000.1100
crowded0.8470.0.0.11001.042
normal0.8490.0.0.6571.336
loose1.1390.21000.7502.026
open0.4720.0.0.21000.659
scattered0.11000.0.0.21000.371
grouped crowded0.0.0.0.0.21000.2100
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.11000.1100
total3.3170.21002.3225.76
ZHn/a0.21000.0.0.0.0.2100
crowded14.4100.0.0.65815.010
normal16.990.0.0.47017.49
loose7.9150.0.0.0.7.915
open6.2170.0.0.4726.617
scattered0.8500.0.0.21001.045
grouped crowded0.21000.0.0.0.0.2100
grouped normal0.8500.0.0.0.0.850
heterogeneous0.4700.0.0.0.0.470
total47.820.0.1.63549.42
Switzerlandn/a9.0152.8278.71520.510
crowded168.9320.610114.84304.32
normal171.5316.91188.35276.62
loose67.5513.01233.18113.64
open88.6515.31160.76164.53
scattered58.467.31637.87103.54
grouped crowded30.185.81826.4962.26
grouped normal28.286.61721.7956.56
heterogeneous27.187.21623.1957.46
total649.2195.44414.521159.11
© WSL, Swiss National Forest Inventory, 18.06.2020 #862166/328497
NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a9.0153.9232.2300.4711.0450.210016.611
crowded98.1416.41110.8133.5237.8155.619142.23
normal126.8318.8109.4144.7209.7144.421173.73
loose52.5611.3137.9153.4245.4194.02284.55
open45.1613.71212.1124.42110.8135.31991.54
scattered21.0910.5146.4177.41611.5136.71763.45
grouped crowded5.3198.7154.6214.9206.5172.72632.88
grouped normal3.5245.6193.4244.5214.4212.32923.79
heterogeneous5.1193.8230.6581.0456.4170.85017.710
total366.3192.7457.4534.3763.5532.07646.31
inside perimetern/a0.0.1.4380.4700.8500.6580.21003.424
crowded1.8334.6214.6213.8222.3291.93119.210
normal1.6354.7202.7264.0212.9261.43817.410
loose0.4710.8501.5352.7262.6281.4389.514
open0.4712.4293.2254.3214.1222.42916.711
scattered0.4711.0451.0451.6351.4381.2416.517
grouped crowded0.0.1.6350.21002.7261.5371.2417.117
grouped normal0.0.1.5380.21002.2301.8331.9317.616
heterogeneous0.0.2.4290.8501.6351.7332.0318.415
total4.72020.4914.61123.7819.01013.41195.84
outside perimetern/a0.21003.9221.8330.6572.3300.8509.614
crowded17.61016.31115.6107.4156.61727.4891.04
normal15.41126.9813.21110.7137.81623.5897.54
loose7.71610.9137.7166.4177.51614.21154.46
open7.11710.5148.8158.71512.21210.31357.66
scattered1.9325.1204.2217.1168.81510.81337.97
grouped crowded0.6586.0182.0316.5176.5178.61530.28
grouped normal0.21003.3241.0445.6194.6204.22118.910
heterogeneous1.0455.4191.4382.7264.1224.62119.110
total51.8688.3455.5555.8460.35104.53416.32
totaln/a9.1159.2144.4211.9333.9231.24129.78
crowded117.5337.4730.9714.81116.71035.07252.42
normal143.9350.4525.3819.5920.4929.37288.72
loose60.6523.0917.11012.51215.51119.510148.33
open52.6626.6824.1817.41027.2818.010165.93
scattered23.3916.51111.61316.11121.6918.710107.84
grouped crowded5.91816.3116.71714.11114.51112.51270.15
grouped normal3.72310.3144.62112.31210.8138.51550.26
heterogeneous6.11811.6132.8275.31912.2127.31645.36
total422.81201.41127.52113.82142.82150.021158.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #862167/328498
NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a9.0154.1222.2300.4711.0450.210016.811
crowded98.9416.61111.2133.5237.8156.018144.03
normal127.8318.8109.6144.9209.9144.820175.73
loose52.9611.3137.9153.4245.4194.02284.95
open45.7613.91212.3124.42111.0135.31992.74
scattered21.6911.1136.6177.61612.3127.11666.25
grouped crowded5.5199.1155.0204.9206.8172.92634.28
grouped normal3.9236.2183.4245.1204.6212.32925.69
heterogeneous5.1193.8230.6581.0456.4171.04517.910
total370.3194.9458.8535.3765.1533.67658.11
inside perimetern/a0.0.1.4380.4700.8500.6580.21003.424
crowded1.8334.6214.6213.8222.5281.93119.410
normal1.6354.7202.7264.0212.9261.43817.410
loose0.4710.8501.5352.7262.6281.6359.614
open0.4712.4293.2254.3214.1222.42916.711
scattered0.4711.0451.0451.6351.4381.2416.517
grouped crowded0.0.1.8330.21002.7261.5371.4387.516
grouped normal0.0.1.5380.21002.2301.8331.9317.616
heterogeneous0.0.2.4290.8501.6351.9312.0318.615
total4.72020.6914.61123.7819.4913.81196.84
outside perimetern/a0.21004.1221.8330.6572.3300.8509.814
crowded17.81016.81115.6107.4156.61727.4891.64
normal15.41127.3814.01110.7137.91524.3899.74
loose7.71610.9137.9156.4177.71614.61155.26
open7.31610.9138.9158.71512.21210.31358.46
scattered2.1305.1204.2217.1169.21411.01338.77
grouped crowded0.6586.4172.2306.5176.5178.81531.08
grouped normal0.21003.3241.0445.6194.6204.22118.910
heterogeneous1.0455.4191.4382.7264.1224.82019.310
total52.4690.1457.0555.8461.15106.33422.72
totaln/a9.1159.6144.4211.9333.9231.24130.18
crowded118.5338.1731.4714.81116.91035.47255.02
normal144.9350.8526.3819.7920.8930.47292.82
loose61.0523.0917.31012.51215.71120.19149.73
open53.4627.2824.5817.41027.4818.010167.83
scattered24.1917.11011.81316.31122.8919.39111.44
grouped crowded6.11817.3107.31614.11114.71113.11272.75
grouped normal4.12210.9134.62112.91211.1138.51552.06
heterogeneous6.11811.6132.8275.31912.4127.71645.96
total427.31205.61130.42114.82145.62153.721177.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #862168/328499
NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a8.8144.1212.1290.6580.9450.210016.710
crowded99.8415.61011.1124.2207.3156.117144.13
normal125.8318.599.7135.3189.3144.420172.93
loose52.6511.4127.4153.6225.9173.92184.84
open45.4613.41112.2124.52011.2124.91991.74
scattered21.9910.2137.0167.41512.2126.71665.45
grouped crowded5.8178.9145.3185.4186.3163.22335.07
grouped normal4.0215.5183.4235.0195.3182.32825.58
heterogeneous5.5183.6221.1410.9456.7161.04118.910
total369.7191.1459.4536.8665.1432.87654.91
inside perimetern/a0.0.1.2380.5580.7500.7500.21003.423
crowded1.8314.7194.8194.2202.7262.32820.49
normal1.8314.9192.4264.1203.2231.43517.910
loose0.4710.7501.5332.8252.9251.6339.813
open0.4712.8253.2233.8214.1212.32816.510
scattered0.4711.0410.9451.4351.2381.1416.017
grouped crowded0.0.1.6330.21002.6251.3381.6337.216
grouped normal0.0.2.1290.4712.5271.9301.7318.614
heterogeneous0.0.2.3280.7501.8311.7312.1298.614
total4.71921.5914.51023.9819.7914.11198.54
outside perimetern/a0.21005.0181.8310.8502.0300.75010.413
crowded18.01016.51015.6107.7146.31728.8792.94
normal15.31126.9814.31010.4127.51524.5898.84
loose7.61511.7127.5156.3167.91514.41155.46
open7.51511.8129.1138.61412.1129.61358.65
scattered2.0305.0194.3206.5169.31410.71237.77
grouped crowded0.5586.0171.9306.0176.4168.31429.08
grouped normal0.21003.6221.3385.5184.9194.02119.49
heterogeneous0.9455.3181.2382.4264.0215.01918.810
total52.1591.6357.1454.0460.34106.03421.12
totaln/a9.01410.3124.4202.0303.6221.14130.57
crowded119.6336.8631.5716.11016.31037.26257.42
normal142.9350.2526.5719.8820.0930.37289.62
loose60.6523.8816.41012.61116.71019.99150.03
open53.3528.0724.5816.91027.4716.810166.83
scattered24.2816.21012.21215.31022.6818.59109.04
grouped crowded6.41716.5107.51514.01114.01113.01171.35
grouped normal4.22111.2125.01913.01112.1128.01453.56
heterogeneous6.41611.2123.0245.11812.5118.21446.36
total426.61204.21131.02114.72145.12152.921174.50
© WSL, Swiss National Forest Inventory, 18.06.2020 #862169/328500
NFI4
forest area
avalanches SilvaProtect · crown closure
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a3.3252.5290.6581.2411.0450.21008.815
crowded114.5420.31014.3115.4196.1187.017167.73
normal121.0320.11013.3122.8277.8165.419170.33
loose44.567.1174.3212.4298.1150.85067.35
open48.3611.5137.2165.71811.4134.12288.25
scattered14.9119.1145.61910.3149.9148.21558.06
grouped crowded3.8238.1164.6212.1308.4152.92630.08
grouped normal4.5216.4175.4191.6358.0162.23028.08
heterogeneous11.6137.6162.0312.8272.7271.24127.98
total366.3192.7457.4534.3763.5532.07646.31
inside perimetern/a0.0.1.2410.21000.6580.6580.21002.827
crowded1.4385.9184.2214.4202.3292.23020.410
normal1.2414.0223.5233.1253.9221.43817.111
loose1.2411.5351.9314.1213.2251.24113.112
open0.4713.0261.1415.2192.8262.72615.311
scattered0.0.0.8501.4371.8331.4381.9317.316
grouped crowded0.0.1.4381.0450.6582.0310.8505.819
grouped normal0.21001.4380.8500.8502.0321.5356.717
heterogeneous0.21001.2410.4713.1250.8501.5357.316
total4.72020.4914.61123.7819.01013.41195.84
outside perimetern/a0.6582.3301.4381.2412.1311.2418.815
crowded18.51025.7819.0910.9125.41936.06115.54
normal16.91118.31014.2118.6147.71622.9988.74
loose4.7208.1164.4213.5236.0186.71733.48
open6.81713.2125.02012.51212.51210.91361.06
scattered1.2415.2194.0229.01410.2138.21537.77
grouped crowded0.21005.6193.6232.2304.9209.71426.39
grouped normal0.4712.0323.2242.1307.5166.61721.89
heterogeneous2.4297.9160.8505.7184.1222.42923.39
total51.8688.3455.5555.8460.35104.53416.32
totaln/a3.9235.9182.2303.1263.7231.63520.410
crowded134.4351.9537.5620.8913.81145.35303.62
normal139.2342.3631.0714.51119.4929.77276.12
loose50.5616.81110.7139.91317.3108.715113.84
open55.5627.7813.41223.5826.7817.710164.43
scattered16.01115.11111.01321.0921.5918.310103.04
grouped crowded4.02215.1119.3144.92015.41113.41262.16
grouped normal5.1209.8149.4144.52117.41010.31356.56
heterogeneous14.11216.8113.22511.6127.6165.11958.56
total422.81201.41127.52113.82142.82150.021158.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #862170/328501
NFI4
forest area
avalanches SilvaProtect · crown closure
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a3.1262.5290.6581.0451.0450.21008.416
crowded112.0418.51013.3124.0224.8205.918158.33
normal118.8319.21012.5122.0317.2164.521164.13
loose44.266.9173.5232.0326.5170.85063.95
open47.0610.3146.4174.42110.7132.92681.95
scattered13.0127.1164.8205.2197.9162.92640.97
grouped crowded2.8274.9202.8271.7334.6211.24117.910
grouped normal4.1225.2194.0221.4385.6191.04521.210
heterogeneous11.2136.8171.8332.8272.3290.85025.79
total356.0181.4449.7524.5850.6520.19582.41
inside perimetern/a0.0.1.2410.21000.6580.6580.21002.827
crowded1.4385.9184.2214.2211.7332.03119.410
normal1.2413.8233.5232.9253.9221.43816.711
loose1.2411.5351.7333.8223.2251.04512.512
open0.4713.0261.0455.2192.4282.72614.711
scattered0.0.0.8501.2401.8331.0451.4386.118
grouped crowded0.0.1.0451.0450.4711.6350.4714.421
grouped normal0.21001.4380.8500.8501.7331.4386.318
heterogeneous0.21001.2410.4713.1250.8501.5357.316
total4.72019.81014.01122.9817.01011.91290.24
outside perimetern/a0.6582.3301.4381.2411.7351.0458.116
crowded18.51024.6818.21010.1135.21934.07110.74
normal16.71117.91013.6118.3156.81720.5983.85
loose4.5218.1164.4213.5235.2195.91831.68
open6.81712.8124.32112.11211.7129.61457.46
scattered1.2415.0203.8237.3169.3144.52131.18
grouped crowded0.21005.2192.4291.6354.1228.31521.99
grouped normal0.4711.8332.6271.9316.0185.31918.010
heterogeneous2.4297.5160.8505.5193.7232.03122.09
total51.4685.3451.5551.6553.7591.13384.62
totaln/a3.8235.9182.2302.9263.3251.43819.410
crowded131.8349.0635.6618.3911.71241.96288.42
normal136.7340.9629.6713.11117.81026.38264.62
loose49.9616.6119.7149.31414.9117.716108.14
open54.3626.1811.71321.8924.8815.211153.93
scattered14.21212.9129.81414.31118.2108.81578.25
grouped crowded3.02611.1136.2183.72310.3149.91444.27
grouped normal4.7218.4157.4164.12213.4127.61645.56
heterogeneous13.71215.5113.02611.4136.9174.42154.96
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 18.06.2020 #862171/328502
NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regioncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a1.3400.0.0.0.1.340
crowded22.791.8339.91334.57
normal36.061.6358.11545.75
loose19.0100.4713.42322.89
open20.190.4713.92224.48
scattered10.8130.4710.94512.112
grouped crowded3.0260.0.0.4713.424
grouped normal2.9260.0.0.21003.126
heterogeneous2.8260.0.0.4713.225
total118.624.62027.27150.51
Eastern Juran/a1.0420.0.0.0.1.042
crowded18.280.0.1.24019.48
normal15.590.0.1.53817.09
loose5.2190.0.0.6585.818
open1.5380.0.0.6582.131
scattered1.0440.0.0.21001.240
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total42.430.0.4.12246.62
Western Plateaun/a1.8310.0.0.21002.030
crowded12.5110.0.1.04413.510
normal13.3110.0.2.23015.510
loose6.0180.0.0.5706.517
open5.1190.0.0.4715.519
scattered3.1250.0.0.5703.623
grouped crowded1.2410.0.0.0.1.241
grouped normal0.7580.0.0.0.0.758
heterogeneous0.4710.0.0.21000.658
total44.130.0.5.01949.12
Central Plateaun/a1.6350.0.0.0.1.635
crowded16.690.0.3.62220.38
normal23.280.0.1.53524.87
loose7.7150.0.1.7339.414
open6.7160.0.1.5358.315
scattered2.1300.0.0.4712.627
grouped crowded0.5700.0.0.21000.757
grouped normal0.0.0.0.0.0.0.0.
heterogeneous1.2410.0.0.4701.535
total59.730.0.9.41369.11
Eastern Plateaun/a3.1240.0.0.0.3.124
crowded28.370.0.1.43529.87
normal38.860.0.2.03140.95
loose14.9110.0.1.43816.310
open11.6120.0.0.65812.212
scattered3.8220.0.0.0.3.822
grouped crowded0.7570.0.0.0.0.757
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.7500.0.0.0.0.750
total102.110.0.5.519107.61
Western Pre-Alpsn/a0.8560.9511.9353.723
crowded3.3221.1403.1237.613
normal4.1210.9455.91710.912
loose2.2300.21002.2284.719
open2.2300.5582.0324.820
scattered1.9360.0.1.2453.127
grouped crowded1.4380.21002.3293.922
grouped normal1.2450.0.0.7491.934
heterogeneous0.3700.6581.9342.827
total17.694.52021.3843.33
Central Pre-Alpsn/a2.4270.0.1.3373.822
crowded9.2151.7359.21420.19
normal10.1141.14113.21224.48
loose6.4180.21006.71713.312
open8.5150.6585.91815.111
scattered5.9180.21001.7337.715
grouped crowded4.2210.6580.5585.418
grouped normal2.3280.6581.1414.021
heterogeneous2.2300.6582.9275.719
total51.255.61842.6599.42
Eastern Pre-Alpsn/a1.4380.0.1.0442.528
crowded7.4160.4718.61416.410
normal6.6171.0459.21416.710
loose5.4190.21003.9229.514
open7.1161.2415.51813.711
scattered3.5240.0.2.1315.619
grouped crowded2.1310.0.1.2413.324
grouped normal2.4290.0.0.9493.325
heterogeneous0.21000.0.1.0451.241
total36.162.72633.5672.32
Northwestern Alpsn/a0.6580.6571.0442.229
crowded3.8231.8333.9229.514
normal4.7202.6277.71515.010
loose2.7280.4712.1315.219
open2.7271.2412.4286.317
scattered2.9260.8502.3296.018
grouped crowded2.9260.8503.1256.717
grouped normal2.3300.9501.5374.621
heterogeneous1.2411.3400.9503.424
total23.7810.41324.8758.93
Central Alpsn/a0.4700.21000.21000.848
crowded1.4371.2402.3284.918
normal2.3270.9441.8325.018
loose1.8331.2402.0314.919
open2.7260.9441.2394.919
scattered1.4380.4710.4702.230
grouped crowded1.4370.0.0.21001.635
grouped normal0.6580.21000.0.0.850
heterogeneous0.21000.21000.0.0.470
total12.1115.2188.11325.44
Northeastern Alpsn/a0.4710.21000.6581.141
crowded1.9293.1254.5199.412
normal0.7580.7492.1283.522
loose0.8510.21001.8342.827
open2.4281.0441.9325.318
scattered1.5350.7571.8334.122
grouped crowded1.2410.21000.5571.931
grouped normal0.4700.0.0.21000.557
heterogeneous0.21000.5580.3711.141
total9.5136.61613.81029.85
Southwestern Alpsn/a0.4710.8500.6571.933
crowded3.5233.8227.41514.811
normal4.7204.02110.71319.59
loose3.4242.7266.41712.512
open4.4214.3218.71517.410
scattered7.4161.6357.11616.111
grouped crowded4.9202.7266.51714.111
grouped normal4.5212.2305.61912.312
heterogeneous1.0451.6352.7265.319
total34.3723.7855.84113.82
Southeastern Alpsn/a1.0450.6582.3303.923
crowded7.8152.3296.61716.710
normal9.7142.9267.81620.49
loose5.4192.6287.51615.511
open10.8134.12212.21227.28
scattered11.5131.4388.81521.69
grouped crowded6.5171.5376.51714.511
grouped normal4.4211.8334.62010.813
heterogeneous6.4171.7334.12212.212
total63.5519.01060.35142.82
Southern Alpsn/a0.21000.21000.8501.241
crowded5.6191.93127.4835.07
normal4.4211.43823.5829.37
loose4.0221.43814.21119.510
open5.3192.42910.31318.010
scattered6.7171.24110.81318.710
grouped crowded2.7261.2418.61512.512
grouped normal2.3291.9314.2218.515
heterogeneous0.8502.0314.6217.316
total32.0713.411104.53150.02
Switzerlandn/a16.6113.52410.01430.18
crowded142.3319.21090.34251.82
normal173.9317.21097.44288.52
loose84.959.41454.46148.83
open91.2416.61157.36165.13
scattered63.656.61738.27108.44
grouped crowded32.887.01730.1869.95
grouped normal24.097.51619.01050.56
heterogeneous17.7108.51519.31045.46
total646.9195.74415.921158.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #862172/328503
NFI4
forest area
avalanches SilvaProtect · crown closure
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectcrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/an/a3.3252.5290.6581.2411.0450.21008.815
crowded116.3421.9915.1116.0186.5177.616173.53
normal121.4320.11013.5122.8277.8165.818171.43
loose45.167.3164.5212.4298.3151.04568.75
open48.6611.5137.7166.51711.7134.92091.05
scattered16.31110.7136.41713.11211.4139.81467.65
grouped crowded3.8239.7146.0183.32410.0143.72336.67
grouped normal4.7216.8176.2181.6359.4143.32432.08
heterogeneous11.6138.2162.2303.2253.3241.24129.78
total371.1198.8462.2540.2669.5437.57679.31
inside perimetern/a0.0.1.2410.21000.6580.6580.21002.827
crowded1.4385.9184.2214.4202.3292.23020.410
normal1.2414.0223.5233.1254.1221.43817.311
loose1.2411.5352.1304.1213.2251.24113.312
open0.4713.0261.5355.2192.8262.72615.711
scattered0.0.1.0451.4372.0311.4381.9317.816
grouped crowded0.0.1.4381.0450.6582.0310.8505.819
grouped normal0.21001.4380.8500.8502.0321.5356.717
heterogeneous0.21001.2410.4713.1251.0451.5357.516
total4.72020.6915.21123.9819.4913.41197.24
outside perimetern/a0.6582.3301.4381.2412.1311.2418.815
crowded18.91025.9819.5910.9125.81836.26117.34
normal16.91118.71014.4118.6147.71623.0989.54
loose4.7208.3154.4213.5236.6177.11634.67
open6.81713.2125.41912.51212.91211.31362.25
scattered1.2415.2194.0229.21410.4138.81538.77
grouped crowded0.21005.8183.8232.2305.51910.31427.88
grouped normal0.4712.0323.2242.1307.7166.81722.29
heterogeneous2.4297.9160.8506.7174.1222.62824.59
total52.2689.4456.9557.0462.74107.33425.52
totaln/a3.9235.9182.2303.1263.7231.63520.410
crowded136.5353.7538.8621.4914.61146.15311.22
normal139.5342.7631.4714.51119.6930.37278.12
loose51.1617.21011.1139.91318.1109.314116.64
open55.9627.7814.61124.3827.4818.910168.83
scattered17.41116.91011.81224.3823.1920.59114.14
grouped crowded4.02216.91110.8136.11817.61014.71170.35
grouped normal5.31910.21410.2134.52119.01011.71360.96
heterogeneous14.11217.4103.42413.0128.4155.31961.76
total427.91208.71134.32121.12151.62158.321201.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #862173/328504
NFI3
forest area
avalanches SilvaProtect · crown closure
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regioncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a1.3400.0.0.0.1.340
crowded22.091.8339.91333.77
normal35.261.6357.91544.75
loose18.8100.4713.22422.49
open19.790.4713.92224.08
scattered9.1140.4710.94510.513
grouped crowded2.4290.0.0.4712.827
grouped normal2.1310.0.0.21002.230
heterogeneous2.8260.0.0.4713.225
total113.324.62026.88144.81
Eastern Juran/a1.0420.0.0.0.1.042
crowded17.790.0.1.24019.08
normal15.190.0.1.53816.69
loose5.2190.0.0.6585.818
open1.5380.0.0.6582.131
scattered1.0440.0.0.21001.240
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total41.630.0.4.12245.72
Western Plateaun/a1.8310.0.0.21002.030
crowded12.3110.0.1.04413.310
normal13.0110.0.2.23015.210
loose5.8180.0.0.5706.317
open4.2210.0.0.4714.720
scattered2.7270.0.0.5703.225
grouped crowded1.2410.0.0.0.1.241
grouped normal0.7580.0.0.0.0.758
heterogeneous0.21000.0.0.21000.471
total42.030.0.5.01947.02
Central Plateaun/a1.6350.0.0.0.1.635
crowded16.690.0.3.62220.38
normal23.180.0.1.53524.67
loose7.7150.0.1.7339.414
open6.7160.0.1.5358.315
scattered2.1300.0.0.4712.627
grouped crowded0.5700.0.0.21000.757
grouped normal0.0.0.0.0.0.0.0.
heterogeneous1.2410.0.0.4701.535
total59.530.0.9.41369.01
Eastern Plateaun/a3.1240.0.0.0.3.124
crowded27.670.0.1.43529.17
normal38.660.0.2.03140.75
loose14.6110.0.1.43815.910
open11.4120.0.0.65812.012
scattered3.4230.0.0.0.3.423
grouped crowded0.7570.0.0.0.0.757
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.7500.0.0.0.0.750
total100.220.0.5.519105.61
Western Pre-Alpsn/a0.8560.9511.9353.723
crowded2.9240.9443.1237.013
normal3.9220.9455.71810.512
loose2.2300.21002.2284.719
open2.0310.5582.0324.620
scattered1.6390.0.1.2452.828
grouped crowded1.1450.21001.6332.925
grouped normal0.7580.0.0.7491.438
heterogeneous0.3700.6581.9342.827
total15.6104.32120.4840.33
Central Pre-Alpsn/a2.4270.0.1.3373.822
crowded8.8151.7359.01519.59
normal9.9141.14112.61223.78
loose6.2180.21006.71713.112
open8.0150.6585.91814.511
scattered5.7180.21001.5357.316
grouped crowded3.3240.6580.5584.420
grouped normal1.9310.6581.1413.622
heterogeneous1.8330.6582.9275.219
total47.955.61841.6595.12
Eastern Pre-Alpsn/a1.4380.0.1.0442.528
crowded7.0160.4718.41415.810
normal6.6171.0458.61416.210
loose5.0200.21003.7228.914
open6.4171.2415.51813.111
scattered3.1250.0.2.1315.219
grouped crowded1.2400.0.0.8502.031
grouped normal2.0320.0.0.9492.926
heterogeneous0.21000.0.1.0451.241
total32.962.72632.1667.73
Northwestern Alpsn/a0.6580.6571.0442.229
crowded2.8261.8333.9228.514
normal3.6232.6277.31513.511
loose2.0310.4712.1314.621
open2.5281.0452.4285.918
scattered1.3400.8502.1314.221
grouped crowded1.7350.8502.7275.119
grouped normal2.1310.6581.3404.022
heterogeneous1.0441.3400.9503.225
total17.61010.01323.5851.13
Central Alpsn/a0.4700.21000.21000.848
crowded1.0441.0442.1294.120
normal1.9300.9441.5354.418
loose1.8331.0441.4374.120
open2.5260.9441.2394.719
scattered0.6570.4710.21001.240
grouped crowded1.0440.0.0.0.1.044
grouped normal0.4710.21000.0.0.658
heterogeneous0.0.0.21000.0.0.2100
total9.5124.8186.71520.95
Northeastern Alpsn/a0.4710.21000.6581.141
crowded1.5323.1254.5199.012
normal0.7580.7492.0293.322
loose0.4730.21001.6362.230
open2.0311.0441.6354.620
scattered1.2410.7571.4383.324
grouped crowded1.0450.21000.5571.733
grouped normal0.4700.0.0.21000.557
heterogeneous0.0.0.4710.3710.750
total7.6156.41612.71026.65
Southwestern Alpsn/a0.4710.8500.6571.933
crowded2.3293.4236.81612.511
normal3.7234.02110.51318.29
loose2.8272.7266.01811.512
open3.2254.3218.51516.010
scattered4.3211.6355.31911.213
grouped crowded2.9262.7265.91811.513
grouped normal3.9231.8335.61911.313
heterogeneous1.0451.6352.3294.920
total24.5822.9851.6599.02
Southeastern Alpsn/a1.0450.6582.3303.923
crowded6.4171.9325.81814.111
normal9.1142.9267.21619.29
loose5.0202.6286.51714.211
open9.2143.72311.41324.48
scattered7.4161.4387.51616.311
grouped crowded3.5230.6585.3199.414
grouped normal3.6231.6354.0229.214
heterogeneous5.4191.5353.72310.613
total50.6517.01053.75121.32
Southern Alpsn/a0.21000.21000.8501.241
crowded4.1221.73325.3831.17
normal4.2221.43822.0927.58
loose3.2251.24113.21217.610
open4.1222.4299.51416.011
scattered1.8330.4716.0188.215
grouped crowded1.0451.2417.5169.614
grouped normal1.0451.7333.3245.918
heterogeneous0.6581.8333.6236.018
total20.1911.91291.13123.12
Switzerlandn/a16.6113.52410.01430.18
crowded133.0317.91086.15236.93
normal168.4317.21092.64278.32
loose80.759.01550.96140.64
open83.6516.01155.26154.73
scattered45.475.91929.3880.65
grouped crowded21.3106.21825.4953.06
grouped normal18.7106.51717.21142.47
heterogeneous15.3117.91617.61140.87
total583.0190.14384.321057.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #862174/328505
NFI4
forest area
avalanches SilvaProtect · crown closure
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regioncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.6580.0.0.0.0.658
crowded31.971.43810.31343.66
normal32.071.2418.71441.96
loose12.9121.2412.92617.010
open20.890.4713.42324.68
scattered8.9150.0.0.4719.314
grouped crowded2.6270.0.0.0.2.627
grouped normal2.5290.21000.4713.026
heterogeneous8.4150.21001.3389.914
total120.624.62027.47152.71
Eastern Juran/a0.0.0.0.0.0.0.0.
crowded18.180.0.1.34119.48
normal17.090.0.1.83318.88
loose5.4190.0.0.21005.618
open2.1310.0.0.6582.727
scattered0.6570.0.0.21000.849
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total43.230.0.4.12247.42
Western Plateaun/a1.4350.0.0.0.1.435
crowded16.990.0.1.63518.68
normal13.7110.0.1.93315.610
loose3.8220.0.0.4714.221
open5.5180.0.0.8506.317
scattered1.2400.0.0.21001.438
grouped crowded0.4710.0.0.0.0.471
grouped normal0.8490.0.0.0.0.849
heterogeneous0.6570.0.0.0.0.657
total44.330.0.5.01949.22
Central Plateaun/a0.21000.0.0.6570.850
crowded18.490.0.3.12421.58
normal22.480.0.2.42724.87
loose6.6170.0.0.8497.316
open7.6150.0.1.3378.914
scattered2.8260.0.0.4713.225
grouped crowded0.4710.0.0.21000.757
grouped normal0.21000.0.0.0.0.2100
heterogeneous1.5350.0.0.8502.328
total60.020.0.9.61369.71
Eastern Plateaun/a1.0450.0.0.0.1.045
crowded31.770.0.2.42934.16
normal36.560.0.1.93138.56
loose16.3100.0.0.47116.710
open12.6120.0.0.65813.212
scattered2.7270.0.0.0.2.727
grouped crowded0.4710.0.0.0.0.471
grouped normal1.1410.0.0.0.1.141
heterogeneous0.9450.0.0.21001.141
total103.410.0.5.519108.91
Western Pre-Alpsn/a0.7580.4711.0492.133
crowded4.3201.1405.11810.511
normal4.1210.4714.3208.813
loose1.4380.6581.6333.622
open1.2400.6582.7284.521
scattered2.7290.4732.1325.319
grouped crowded2.7290.6582.6295.818
grouped normal1.0460.31001.1452.430
heterogeneous0.31000.21000.7501.241
total18.494.52021.3844.23
Central Pre-Alpsn/a1.7330.0.0.7492.527
crowded12.3122.13111.41325.88
normal12.6120.7588.81522.09
loose3.3250.5575.4199.214
open7.7160.7498.61517.010
scattered4.0220.4712.2296.616
grouped crowded3.6220.0.0.8504.420
grouped normal3.4230.6580.21004.221
heterogeneous5.8180.8505.12011.712
total54.455.81843.25103.42
Eastern Pre-Alpsn/a0.6580.0.1.0451.635
crowded11.2131.33811.71224.28
normal10.6130.4718.71419.89
loose2.9260.9443.2257.116
open4.9200.0.2.5297.316
scattered3.1250.0.1.7354.820
grouped crowded1.4380.0.2.2303.623
grouped normal3.0250.0.2.1315.119
heterogeneous0.6580.0.0.6581.341
total38.362.72633.8674.82
Northwestern Alpsn/a0.0.0.8500.6581.437
crowded5.2192.7279.31417.29
normal3.3243.0255.61811.911
loose2.6270.4711.1414.221
open2.4291.6352.1316.217
scattered4.3210.21000.8505.419
grouped crowded3.5240.9502.7277.017
grouped normal2.3300.6580.9503.823
heterogeneous2.1310.21002.0314.321
total25.8810.41325.2761.43
Central Alpsn/a0.0.0.0.0.0.0.0.
crowded2.3280.8503.5226.615
normal1.7321.5342.2295.416
loose0.6580.8490.4681.732
open1.6340.9441.0443.522
scattered1.4370.6570.4702.428
grouped crowded2.2300.21000.6572.925
grouped normal1.6350.4710.4712.428
heterogeneous1.4370.4710.21002.031
total12.7105.6178.61326.94
Northeastern Alpsn/a0.0.0.21000.4710.658
crowded1.9312.1314.0208.014
normal1.4381.5353.7226.516
loose1.0450.5700.8512.330
open1.2410.5571.9313.622
scattered1.9310.8501.9314.620
grouped crowded2.3280.8510.9444.121
grouped normal1.5350.4700.7492.626
heterogeneous0.21000.0.0.0.0.2100
total11.4126.81614.3932.54
Southwestern Alpsn/a1.2410.6581.2413.126
crowded6.0184.42010.91221.49
normal2.8273.1258.61414.511
loose2.4294.1213.5239.913
open6.5175.21912.51224.38
scattered13.1122.0319.21424.38
grouped crowded3.3240.6582.2306.118
grouped normal1.6350.8502.1304.521
heterogeneous3.2253.1256.71713.012
total40.2623.9857.04121.12
Southeastern Alpsn/a1.0450.6582.1313.723
crowded6.5172.3295.81814.611
normal7.8164.1227.71619.69
loose8.3153.2256.61718.110
open11.7132.82612.91227.48
scattered11.4131.43810.41323.19
grouped crowded10.0142.0315.51917.610
grouped normal9.4142.0327.71619.010
heterogeneous3.3241.0454.1228.415
total69.5419.4962.74151.62
Southern Alpsn/a0.21000.21001.2411.635
crowded7.6162.23036.2646.15
normal5.8181.43823.0930.37
loose1.0451.2417.1169.314
open4.9202.72611.31318.910
scattered9.8141.9318.81520.59
grouped crowded3.7230.85010.31414.711
grouped normal3.3241.5356.81711.713
heterogeneous1.2411.5352.6285.319
total37.5713.411107.33158.32
Switzerlandn/a8.7152.8278.91520.310
crowded174.4320.410116.74311.52
normal171.7317.21189.54278.42
loose68.5513.41234.47116.24
open90.8515.51162.25168.53
scattered67.957.81638.77114.44
grouped crowded36.675.81928.0870.45
grouped normal31.786.71722.4960.86
heterogeneous29.587.51624.4961.45
total679.7197.14425.121201.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #862175/328506
NFI4
forest area
avalanches SilvaProtect · crown closure
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regioncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.6580.0.0.0.0.658
crowded30.171.43810.11341.66
normal31.271.2418.51540.96
loose12.6121.2412.72616.510
open20.290.4713.42324.08
scattered6.6170.0.0.4717.016
grouped crowded1.6350.0.0.0.1.635
grouped normal2.1310.21000.4712.627
heterogeneous8.4150.21001.3389.914
total113.324.62026.88144.81
Eastern Juran/a0.0.0.0.0.0.0.0.
crowded17.390.0.1.34118.68
normal16.490.0.1.83318.28
loose5.4190.0.0.21005.618
open1.9330.0.0.6582.529
scattered0.6570.0.0.21000.849
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total41.630.0.4.12245.72
Western Plateaun/a1.4350.0.0.0.1.435
crowded16.590.0.1.63518.18
normal12.9110.0.1.93314.810
loose3.6230.0.0.4714.021
open5.1190.0.0.8505.918
scattered1.0440.0.0.21001.241
grouped crowded0.4710.0.0.0.0.471
grouped normal0.6570.0.0.0.0.657
heterogeneous0.6570.0.0.0.0.657
total42.030.0.5.01947.02
Central Plateaun/a0.0.0.0.0.6570.657
crowded18.290.0.2.92521.18
normal22.480.0.2.42724.87
loose6.6170.0.0.8497.316
open7.6150.0.1.3378.914
scattered2.6270.0.0.4713.026
grouped crowded0.4710.0.0.21000.757
grouped normal0.21000.0.0.0.0.2100
heterogeneous1.5350.0.0.8502.328
total59.530.0.9.41369.01
Eastern Plateaun/a1.0450.0.0.0.1.045
crowded30.770.0.2.42933.06
normal36.160.0.1.93138.06
loose15.9100.0.0.47116.310
open12.2120.0.0.65812.812
scattered2.1300.0.0.0.2.130
grouped crowded0.4710.0.0.0.0.471
grouped normal1.1410.0.0.0.1.141
heterogeneous0.6580.0.0.21000.850
total100.220.0.5.519105.61
Western Pre-Alpsn/a0.7580.4711.0492.133
crowded3.7221.1404.9189.712
normal4.1210.4714.3208.813
loose1.4380.6581.6333.622
open1.2400.6582.5294.321
scattered2.5300.4732.1325.120
grouped crowded0.7580.4712.4303.524
grouped normal1.0460.31000.8512.132
heterogeneous0.31000.21000.7501.241
total15.6104.32120.4840.33
Central Pre-Alpsn/a1.7330.0.0.7492.527
crowded10.9132.13111.01324.08
normal12.4120.7588.61521.69
loose3.1260.5575.2208.815
open7.1160.7498.41516.210
scattered2.3280.21002.1304.520
grouped crowded2.7260.0.0.6583.324
grouped normal2.8250.6580.21003.622
heterogeneous5.0200.8504.92010.713
total47.955.61841.6595.12
Eastern Pre-Alpsn/a0.6580.0.1.0451.635
crowded10.3131.33811.31222.98
normal10.2130.4718.31519.09
loose2.1300.9443.2256.217
open4.2220.0.2.5296.717
scattered2.7270.0.1.7354.321
grouped crowded0.6580.0.1.4372.031
grouped normal1.8330.0.2.1313.922
heterogeneous0.4710.0.0.6581.145
total32.962.72632.1667.73
Northwestern Alpsn/a0.0.0.8500.6581.437
crowded3.8232.7278.71415.110
normal2.7272.8265.01910.412
loose2.4290.4711.1414.022
open1.8331.6352.1315.618
scattered2.7270.21000.8503.723
grouped crowded1.5380.6582.5294.621
grouped normal1.3410.6580.9502.727
heterogeneous1.4370.21001.8333.524
total17.61010.01323.5851.13
Central Alpsn/a0.0.0.0.0.0.0.0.
crowded2.1290.8502.9245.816
normal1.5341.5341.9315.017
loose0.6580.6560.4681.534
open1.6340.6580.6572.725
scattered0.8490.4710.21001.437
grouped crowded0.8500.21000.0.1.044
grouped normal1.0440.4710.4711.832
heterogeneous1.2390.4710.21001.832
total9.5124.8186.71520.95
Northeastern Alpsn/a0.0.0.21000.4710.658
crowded1.1402.1313.7226.915
normal1.0451.5353.5236.016
loose0.8510.31000.8511.833
open0.7580.4711.3382.429
scattered1.3370.8501.9314.021
grouped crowded1.4380.8510.9443.124
grouped normal1.2410.4700.21001.733
heterogeneous0.21000.0.0.0.0.2100
total7.6156.41612.71026.65
Southwestern Alpsn/a1.0450.6581.2412.926
crowded4.0224.22110.11318.39
normal2.0312.9258.31513.111
loose2.0323.8223.5239.314
open4.4215.21912.11221.89
scattered5.2191.8337.31614.311
grouped crowded1.7330.4711.6353.723
grouped normal1.4380.8501.9314.122
heterogeneous2.8273.1255.51911.413
total24.5822.9851.6599.02
Southeastern Alpsn/a1.0450.6581.7353.325
crowded4.8201.7335.21911.712
normal7.2163.9226.81717.810
loose6.5173.2255.21914.911
open10.7132.42811.71224.88
scattered7.9161.0459.31418.210
grouped crowded4.6211.6354.12210.314
grouped normal5.6191.7336.01813.412
heterogeneous2.3290.8503.7236.917
total50.6517.01053.75121.32
Southern Alpsn/a0.21000.21001.0451.438
crowded5.9182.03134.0741.96
normal4.5211.43820.5926.38
loose0.8501.0455.9187.716
open2.9262.7269.61415.211
scattered2.9261.4384.5218.815
grouped crowded1.2410.4718.3159.914
grouped normal1.0451.4385.3197.616
heterogeneous0.8501.5352.0314.421
total20.1911.91291.13123.12
Switzerlandn/a8.3152.8278.31619.410
crowded159.3319.410110.14288.82
normal164.5316.61183.75264.82
loose63.7512.51231.48107.64
open81.8514.61157.56153.83
scattered41.176.21831.2878.55
grouped crowded17.8114.42122.1944.37
grouped normal21.0106.31818.11045.46
heterogeneous25.697.31621.9954.76
total583.0190.14384.321057.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #862176/328507
NFI4
forest area
avalanches SilvaProtect · crown closure
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regioncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.6580.0.0.0.0.658
crowded31.371.43810.11342.86
normal31.871.2418.71441.76
loose12.6121.2412.92616.610
open20.890.4713.42324.68
scattered8.0150.0.0.4718.415
grouped crowded2.6270.0.0.0.2.627
grouped normal2.5290.21000.4713.026
heterogeneous8.4150.21001.3389.914
total118.624.62027.27150.51
Eastern Juran/a0.0.0.0.0.0.0.0.
crowded17.780.0.1.34119.08
normal16.890.0.1.83318.68
loose5.4190.0.0.21005.618
open1.9330.0.0.6582.529
scattered0.6570.0.0.21000.849
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total42.430.0.4.12246.62
Western Plateaun/a1.4350.0.0.0.1.435
crowded16.990.0.1.63518.68
normal13.7110.0.1.93315.610
loose3.8220.0.0.4714.221
open5.5180.0.0.8506.317
scattered1.2400.0.0.21001.438
grouped crowded0.4710.0.0.0.0.471
grouped normal0.6570.0.0.0.0.657
heterogeneous0.6570.0.0.0.0.657
total44.130.0.5.01949.12
Central Plateaun/a0.21000.0.0.6570.850
crowded18.290.0.2.92521.18
normal22.480.0.2.42724.87
loose6.6170.0.0.8497.316
open7.6150.0.1.3378.914
scattered2.6270.0.0.4713.026
grouped crowded0.4710.0.0.21000.757
grouped normal0.21000.0.0.0.0.2100
heterogeneous1.5350.0.0.8502.328
total59.730.0.9.41369.11
Eastern Plateaun/a1.0450.0.0.0.1.045
crowded31.270.0.2.42933.66
normal36.560.0.1.93138.56
loose16.1100.0.0.47116.510
open12.4120.0.0.65813.012
scattered2.4290.0.0.0.2.429
grouped crowded0.4710.0.0.0.0.471
grouped normal1.1410.0.0.0.1.141
heterogeneous0.9450.0.0.21001.141
total102.110.0.5.519107.61
Western Pre-Alpsn/a0.7580.4711.0492.133
crowded3.9211.1405.11810.012
normal4.1210.4714.3208.813
loose1.4380.6581.6333.622
open1.2400.6582.7284.521
scattered2.5300.4732.1325.120
grouped crowded2.5300.6582.6295.619
grouped normal1.0460.31001.1452.430
heterogeneous0.31000.21000.7501.241
total17.694.52021.3843.33
Central Pre-Alpsn/a1.7330.0.0.7492.527
crowded11.3132.13111.41324.88
normal12.6120.7588.61521.89
loose3.1260.5575.2208.815
open7.7160.7498.61517.010
scattered3.2240.21002.2295.718
grouped crowded3.0250.0.0.6583.622
grouped normal3.2240.6580.21004.021
heterogeneous5.4190.8505.12011.313
total51.255.61842.6599.42
Eastern Pre-Alpsn/a0.6580.0.1.0451.635
crowded10.8131.33811.71223.88
normal10.4130.4718.71419.69
loose2.8270.9443.2256.916
open4.7200.0.2.5297.116
scattered2.9260.0.1.7354.621
grouped crowded1.2410.0.2.0313.225
grouped normal2.4290.0.2.1314.520
heterogeneous0.4710.0.0.6581.145
total36.162.72633.5672.32
Northwestern Alpsn/a0.0.0.8500.6581.437
crowded5.0202.7279.11416.810
normal3.3243.0255.41811.712
loose2.6270.4711.1414.221
open2.4291.6352.1316.217
scattered3.7230.21000.8504.820
grouped crowded2.7270.9502.7276.218
grouped normal2.1310.6580.9503.624
heterogeneous1.9330.21002.0314.122
total23.7810.41324.8758.93
Central Alpsn/a0.0.0.0.0.0.0.0.
crowded2.3280.8503.1236.315
normal1.7321.5342.2295.416
loose0.6580.8490.4681.732
open1.6340.6580.8503.025
scattered1.4370.6570.4702.428
grouped crowded1.8330.21000.6572.527
grouped normal1.4370.4710.4712.229
heterogeneous1.4370.4710.21002.031
total12.1115.2188.11325.44
Northeastern Alpsn/a0.0.0.21000.4710.658
crowded1.5352.1313.9217.415
normal1.4381.5353.5236.416
loose1.0450.31000.8512.032
open1.0450.5571.7333.224
scattered1.3370.8501.9314.021
grouped crowded1.6350.8510.9443.324
grouped normal1.5350.4700.7492.626
heterogeneous0.21000.0.0.0.0.2100
total9.5136.61613.81029.85
Southwestern Alpsn/a1.2410.6581.2413.126
crowded5.4194.42010.91220.89
normal2.8273.1258.61414.511
loose2.4294.1213.5239.913
open5.7185.21912.51223.58
scattered10.3141.8339.01421.09
grouped crowded2.1300.6582.2304.920
grouped normal1.6350.8502.1304.521
heterogeneous2.8273.1255.71811.612
total34.3723.7855.84113.82
Southeastern Alpsn/a1.0450.6582.1313.723
crowded6.1182.3295.41913.811
normal7.8163.9227.71619.49
loose8.1153.2256.01817.310
open11.4132.82612.51226.78
scattered9.9141.43810.21321.59
grouped crowded8.4152.0314.92015.411
grouped normal8.0162.0327.51617.410
heterogeneous2.7270.8504.1227.616
total63.5519.01060.35142.82
Southern Alpsn/a0.21000.21001.2411.635
crowded7.0172.23036.0645.35
normal5.4191.43822.9929.77
loose0.8501.2416.7178.715
open4.1222.72610.91317.710
scattered8.2151.9318.21518.310
grouped crowded2.9260.8509.71413.412
grouped normal2.2301.5356.61710.313
heterogeneous1.2411.5352.4295.119
total32.0713.411104.53150.02
Switzerlandn/a8.7152.8278.91520.310
crowded168.7320.410114.94304.02
normal170.7317.01188.74276.42
loose67.1513.11233.28113.44
open88.0515.11161.06164.23
scattered58.267.41637.77103.34
grouped crowded30.185.81926.4962.36
grouped normal27.886.71722.0956.46
heterogeneous27.787.31623.2958.26
total646.9195.74415.921158.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #862177/328508
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