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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: 1.4 x 1.4 km grid
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 ago38.540.0.0.0.38.54
11-20 years ago4.8190.0.0.0.4.819
21-30 years ago1.8320.0.0.0.1.832
31-40 years ago1.4370.0.0.0.1.437
41-50 years ago0.6580.0.0.0.0.658
over 50 years ago0.6580.0.0.0.0.658
total47.720.0.0.0.47.72
AIless than 10 years ago0.9430.0.1.2362.126
11-20 years ago0.21000.21000.5510.942
21-30 years ago0.8450.0.0.21001.041
31-40 years ago0.21000.4720.21000.749
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.4700.0.0.21000.657
total2.5240.6572.2245.310
ARless than 10 years ago2.5250.0.1.6324.017
11-20 years ago1.4340.21000.5582.127
21-30 years ago1.1410.0.0.5551.633
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.0.0.0.0.21000.2100
over 50 years ago0.31000.0.0.0.0.3100
total5.3130.21002.7228.16
BEless than 10 years ago54.655.02034.5794.13
11-20 years ago13.6123.72312.11229.58
21-30 years ago9.0151.4388.11518.610
31-40 years ago5.7181.2414.32111.213
41-50 years ago1.8330.9454.2227.017
over 50 years ago14.7111.2416.01821.99
total99.4313.51269.34182.21
BL/BSless than 10 years ago9.4120.0.2.23111.610
11-20 years ago3.2250.0.0.4713.623
21-30 years ago2.1300.0.1.0443.124
31-40 years ago0.4710.0.0.21000.757
41-50 years ago0.8570.0.0.21000.950
over 50 years ago0.8570.0.0.0.0.857
total16.660.0.4.12120.73
FRless than 10 years ago18.180.7485.81824.66
11-20 years ago4.1210.0.1.7335.817
21-30 years ago1.6350.21001.9313.722
31-40 years ago0.4730.21001.8312.427
41-50 years ago0.9500.0.1.0401.931
over 50 years ago2.9260.0.1.5384.421
total28.051.04013.71042.82
GEless than 10 years ago2.3250.0.0.0.2.325
11-20 years ago1.0570.0.0.0.1.057
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 ago0.0.0.0.0.0.0.0.
over 50 years ago0.6750.0.0.0.0.675
total3.970.0.0.0.3.97
GLless than 10 years ago2.1301.5342.1305.716
11-20 years ago2.0310.21001.5343.621
21-30 years ago1.3360.4711.0442.725
31-40 years ago0.8500.6570.0.1.437
41-50 years ago0.8500.4710.5581.732
over 50 years ago3.1241.2401.2405.417
total10.0124.2196.31520.54
GRless than 10 years ago19.2105.11920.0944.36
11-20 years ago12.5125.21915.91133.67
21-30 years ago12.7123.52312.41228.68
31-40 years ago9.6142.5285.71817.810
41-50 years ago7.8161.0454.72013.412
over 50 years ago34.977.61626.4869.05
total96.7424.9885.04206.71
JUless than 10 years ago13.1100.21005.51818.87
11-20 years ago3.1240.21001.4374.719
21-30 years ago4.1210.3671.7326.216
31-40 years ago1.2410.21000.8502.129
41-50 years ago0.4700.0.0.21000.657
over 50 years ago0.21000.0.0.9441.241
total22.160.94310.51133.52
LUless than 10 years ago19.680.21003.32423.07
11-20 years ago5.8180.0.1.4377.115
21-30 years ago4.0210.21001.2415.518
31-40 years ago2.3300.21000.6573.025
41-50 years ago0.4710.0.0.21000.658
over 50 years ago2.5290.0.0.6583.125
total34.540.6587.21542.42
NEless than 10 years ago17.770.7572.32720.76
11-20 years ago3.7220.4700.6594.619
21-30 years ago2.7280.0.0.0.2.728
31-40 years ago0.21000.0.0.0.0.2100
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.31000.0.0.3710.660
total24.551.0443.22228.73
NWless than 10 years ago0.7590.7571.5372.924
11-20 years ago1.9340.21000.7592.726
21-30 years ago0.5710.0.0.31000.856
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 ago1.3400.31000.4672.032
total4.4171.2442.8248.46
OWless than 10 years ago4.7190.9464.1209.711
11-20 years ago1.1410.0.1.2402.328
21-30 years ago1.0410.0.0.0.1.041
31-40 years ago0.9500.11000.4741.438
41-50 years ago0.6570.21000.5681.340
over 50 years ago2.0310.6591.8334.320
total10.3111.9317.91220.03
SGless than 10 years ago13.2111.53811.81226.57
11-20 years ago3.4240.8506.81611.112
21-30 years ago2.5290.4723.4236.317
31-40 years ago0.8500.9502.0323.723
41-50 years ago0.4710.21000.9501.538
over 50 years ago5.1200.7585.51911.313
total25.484.52130.5660.43
SHless than 10 years ago7.4110.0.0.4697.810
11-20 years ago3.0220.0.0.0.3.022
21-30 years ago1.0440.0.0.0.1.044
31-40 years ago0.0.0.0.0.0.0.0.
41-50 years ago0.21000.0.0.0.0.2100
over 50 years ago0.21000.0.0.0.0.2100
total11.940.0.0.46912.33
SOless than 10 years ago17.670.0.1.63519.27
11-20 years ago6.2160.0.0.21006.416
21-30 years ago3.6230.0.0.4724.022
31-40 years ago0.9500.0.0.21001.045
41-50 years ago0.6590.0.0.5701.145
over 50 years ago0.4720.21000.21000.851
total29.230.21003.12532.52
SZless than 10 years ago6.3160.7506.01713.010
11-20 years ago2.6270.6582.0315.219
21-30 years ago1.4380.21001.5373.025
31-40 years ago1.2400.21000.5582.031
41-50 years ago1.0450.21001.2412.429
over 50 years ago3.6230.21001.2414.919
total16.192.12912.31030.53
TGless than 10 years ago13.770.0.1.23514.96
11-20 years ago2.4260.0.0.9453.321
21-30 years ago1.8310.0.0.21002.029
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
total18.140.0.2.42620.53
TIless than 10 years ago4.7200.65810.31315.711
11-20 years ago5.2190.8496.41812.312
21-30 years ago6.7171.0458.51516.211
31-40 years ago4.1221.4387.21612.812
41-50 years ago3.6231.5358.31513.512
over 50 years ago18.6104.82058.5581.93
total42.9610.11399.33152.41
URless than 10 years ago3.0231.1402.2296.415
11-20 years ago1.2400.7501.4363.323
21-30 years ago1.2410.21000.0.1.438
31-40 years ago0.5570.8500.9442.227
41-50 years ago1.0450.4690.4711.833
over 50 years ago4.7190.8502.0317.515
total11.7114.0206.91422.65
VDless than 10 years ago39.361.4387.11647.85
11-20 years ago16.4101.8333.42421.69
21-30 years ago8.2151.0451.43810.513
31-40 years ago5.5180.21001.2416.916
41-50 years ago2.4290.4710.6583.424
over 50 years ago7.0160.8502.82610.513
total78.835.51816.410100.71
VSless than 10 years ago8.6155.61810.31324.68
11-20 years ago3.3243.1257.51613.911
21-30 years ago6.5172.7265.31914.511
31-40 years ago4.0222.6284.72011.313
41-50 years ago6.5172.5277.61616.610
over 50 years ago16.0118.61522.3946.95
total45.0625.1857.64127.72
ZGless than 10 years ago2.0260.21001.9264.113
11-20 years ago0.6560.0.0.21000.848
21-30 years ago0.4720.0.0.4670.750
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
total3.3170.21002.5205.95
ZHless than 10 years ago35.240.0.1.24136.54
11-20 years ago7.7150.0.0.0.7.715
21-30 years ago3.1250.0.0.21003.424
31-40 years ago1.2410.0.0.0.1.241
41-50 years ago0.4700.0.0.21000.658
over 50 years ago0.0.0.0.0.0.0.0.
total47.820.0.1.63549.42
Switzerlandless than 10 years ago354.4226.39138.14518.81
11-20 years ago110.5417.91066.65195.03
21-30 years ago79.2511.51349.56140.24
31-40 years ago41.4711.41330.6883.55
41-50 years ago30.187.81631.3869.25
over 50 years ago120.4426.98131.93279.22
total736.11101.84448.021285.80
© WSL, Swiss National Forest Inventory, 18.06.2020 #863099/329430
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