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NFI3
forest area
avalanches SilvaProtect · time of last treatment (classes of 10 years)
unit of reference: canton
unit: 1000 ha
unit of evaluation: forest
grid: terrestrial grid NFI3
state2004/06
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGless than 10 years ago37.840.0.0.0.37.84
11-20 years ago4.8180.0.0.0.4.818
21-30 years ago2.1280.0.0.0.2.128
31-40 years ago1.4340.0.0.0.1.434
41-50 years ago0.7500.0.0.0.0.750
over 50 years ago0.5580.0.0.0.0.558
total47.520.0.0.0.47.52
AIless than 10 years ago0.7440.0.1.4292.123
11-20 years ago0.21000.21000.5430.838
21-30 years ago0.8420.21000.21001.235
31-40 years ago0.3690.3720.11000.743
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.4700.0.0.21000.657
total2.4230.6482.4205.48
ARless than 10 years ago2.4250.0.1.4323.817
11-20 years ago1.3340.11000.5581.927
21-30 years ago1.0410.21000.4551.631
31-40 years ago0.3690.0.0.0.0.369
41-50 years ago0.11000.0.0.11000.371
over 50 years ago0.4680.0.0.0.0.468
total5.5120.4722.4228.36
BEless than 10 years ago52.555.21834.8792.53
11-20 years ago13.5114.02112.31229.87
21-30 years ago8.9141.8328.81419.69
31-40 years ago6.0171.2384.42011.512
41-50 years ago1.9300.8454.4207.215
over 50 years ago13.9111.1416.41621.49
total96.7314.11171.04181.91
BL/BSless than 10 years ago9.5110.0.2.13111.69
11-20 years ago3.1240.0.0.7503.821
21-30 years ago2.1290.0.0.9443.123
31-40 years ago0.4710.0.0.21000.657
41-50 years ago0.7580.0.0.21000.950
over 50 years ago0.7580.0.0.0.0.758
total16.660.0.4.12020.73
FRless than 10 years ago17.880.6496.31624.76
11-20 years ago3.9200.21002.2276.315
21-30 years ago1.6330.21001.9303.621
31-40 years ago0.4710.21001.7312.227
41-50 years ago0.7500.0.1.0401.731
over 50 years ago3.1230.0.1.3384.419
total27.451.13614.3942.92
GEless than 10 years ago2.1270.0.0.0.2.127
11-20 years ago0.9570.0.0.0.0.957
21-30 years ago0.0.0.0.0.0.0.0.
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.41000.0.0.0.0.4100
over 50 years ago0.5750.0.0.0.0.575
total3.960.0.0.0.3.96
GLless than 10 years ago2.4261.4332.3266.215
11-20 years ago1.9300.3711.3343.620
21-30 years ago1.4330.4710.9442.724
31-40 years ago0.7500.5580.0.1.338
41-50 years ago0.7500.4720.5581.533
over 50 years ago3.4211.2371.2385.816
total10.5104.3186.31421.14
GRless than 10 years ago18.295.41819.7943.46
11-20 years ago12.8124.71915.41032.97
21-30 years ago12.9113.72212.01228.77
31-40 years ago9.8132.3285.81717.910
41-50 years ago8.0150.9454.71913.611
over 50 years ago34.778.31426.5869.44
total96.4425.2884.24205.91
JUless than 10 years ago12.9100.21005.21718.37
11-20 years ago3.5210.11001.4345.117
21-30 years ago3.9200.3681.6325.816
31-40 years ago1.0410.21000.7501.930
41-50 years ago0.5570.0.0.21000.749
over 50 years ago0.7500.0.1.0401.731
total22.660.84310.11133.62
LUless than 10 years ago19.570.21003.12322.76
11-20 years ago5.6160.0.1.2376.815
21-30 years ago5.1170.21001.0416.315
31-40 years ago1.9300.21000.7502.725
41-50 years ago0.3710.0.0.21000.558
over 50 years ago2.4260.0.0.5583.024
total34.940.5576.61542.02
NEless than 10 years ago17.770.6572.52420.85
11-20 years ago4.0200.3700.5584.818
21-30 years ago2.4270.0.0.0.2.427
31-40 years ago0.21000.0.0.0.0.2100
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.21000.21000.3710.750
total24.541.1403.32128.93
NWless than 10 years ago0.8500.6571.8313.321
11-20 years ago1.6340.21000.6582.327
21-30 years ago0.4710.21000.21000.948
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.21000.0.0.2100
over 50 years ago1.3370.4710.3672.028
total4.2181.6332.9228.75
OWless than 10 years ago5.1180.9454.01910.010
11-20 years ago1.0410.0.1.3372.427
21-30 years ago1.2380.0.0.0.1.238
31-40 years ago0.8500.11000.3731.338
41-50 years ago0.6570.21000.4681.240
over 50 years ago2.0300.5592.0294.519
total10.7111.8318.11220.53
SGless than 10 years ago13.0111.33811.61125.97
11-20 years ago3.6220.7506.61510.912
21-30 years ago2.7260.6583.4226.716
31-40 years ago0.7500.8502.0303.523
41-50 years ago0.6580.21000.9451.733
over 50 years ago5.1191.0455.81711.912
total25.674.52030.4660.62
SHless than 10 years ago7.1110.0.0.5577.710
11-20 years ago2.9210.0.0.0.2.921
21-30 years ago0.9430.0.0.0.0.943
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.6590.0.0.0.0.659
over 50 years ago0.21000.0.0.0.0.2100
total11.740.0.0.55712.23
SOless than 10 years ago17.270.0.1.73119.06
11-20 years ago6.1150.0.0.21006.215
21-30 years ago4.1200.0.0.4724.419
31-40 years ago0.8500.0.0.11000.945
41-50 years ago0.5580.0.0.4700.945
over 50 years ago0.6590.21000.21000.945
total29.230.21003.12432.42
SZless than 10 years ago6.2160.6496.41513.39
11-20 years ago2.4270.5582.2275.118
21-30 years ago1.5330.21001.5353.223
31-40 years ago1.3370.21000.5582.030
41-50 years ago0.9450.21001.0412.129
over 50 years ago3.2230.21001.1414.519
total15.581.92912.8930.13
TGless than 10 years ago13.460.0.1.33314.86
11-20 years ago2.5240.0.0.8443.320
21-30 years ago1.6310.0.0.4701.928
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.21000.0.0.0.0.2100
total17.740.0.2.52320.23
TIless than 10 years ago4.5200.65911.91217.010
11-20 years ago4.8190.7505.91711.412
21-30 years ago6.7161.2388.21516.110
31-40 years ago4.1211.4367.21612.712
41-50 years ago3.2231.6338.11412.811
over 50 years ago18.695.01858.1481.73
total41.9610.41299.33151.61
URless than 10 years ago2.8231.4342.1286.314
11-20 years ago1.1400.7501.5343.222
21-30 years ago1.4350.21000.0.1.633
31-40 years ago1.1410.9440.9442.824
41-50 years ago1.0410.4700.4711.831
over 50 years ago4.7180.9441.8317.414
total12.1104.4186.61423.14
VDless than 10 years ago38.661.5357.01547.05
11-20 years ago15.1102.0303.12420.19
21-30 years ago10.0130.9451.43512.311
31-40 years ago5.4180.21001.3386.916
41-50 years ago2.3280.4710.9453.622
over 50 years ago6.8160.7503.12410.612
total78.235.61716.69100.41
VSless than 10 years ago8.4145.41710.31224.18
11-20 years ago3.9213.3236.91614.011
21-30 years ago6.8162.6265.11814.511
31-40 years ago4.9192.6265.01812.511
41-50 years ago5.9172.4267.21515.510
over 50 years ago16.7108.71421.5846.95
total46.4525.1756.04127.52
ZGless than 10 years ago1.9260.21001.9263.913
11-20 years ago0.6560.0.0.21000.848
21-30 years ago0.7470.0.0.4671.139
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.21000.0.0.0.0.2100
total3.4150.21002.4206.05
ZHless than 10 years ago34.940.0.1.14136.04
11-20 years ago7.6140.0.0.0.7.614
21-30 years ago3.2230.0.0.21003.423
31-40 years ago1.3370.0.0.0.1.337
41-50 years ago0.4700.0.0.21000.658
over 50 years ago0.0.0.0.0.0.0.0.
total47.420.0.1.53548.92
Switzerlandless than 10 years ago347.4226.28140.63514.21
11-20 years ago108.5418.01065.35191.83
21-30 years ago83.7412.71248.86145.23
31-40 years ago42.7611.11330.9784.64
41-50 years ago30.287.51530.7768.45
over 50 years ago120.6428.38131.33280.22
total732.91103.84447.521284.20
© WSL, Swiss National Forest Inventory, 18.06.2020 #863098/329429
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