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NFI4
forest area
landslide/mudflow 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
state2009/17
landslide/mudflow SilvaProtect
n/ainside perimeteroutside perimetertotal
cantontime of last treatment (classes of 10 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGn/a0.21000.0.0.0.0.2100
less than 10 years ago35.141.0450.0.36.14
11-20 years ago6.4170.21000.0.6.616
21-30 years ago1.8330.0.0.0.1.833
31-40 years ago0.4700.0.0.0.0.470
41-50 years ago0.8500.21000.0.1.044
over 50 years ago1.0440.4700.0.1.437
total45.721.8330.0.47.52
AIn/a0.0.0.0.0.0.0.0.
less than 10 years ago0.21000.21000.6540.942
11-20 years ago0.9440.21000.7491.928
21-30 years ago0.0.0.0.0.21000.2100
31-40 years ago0.8450.0.0.21001.041
41-50 years ago0.21000.0.0.4720.657
over 50 years ago0.4700.0.0.4720.850
total2.5240.4722.4225.310
ARn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.5260.6580.3693.421
11-20 years ago1.8300.4730.5552.722
21-30 years ago0.6480.21000.5581.333
31-40 years ago0.4730.3690.0.0.750
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.31000.21000.0.0.473
total5.6121.6321.3318.46
BEn/a0.21000.0.0.0.0.2100
less than 10 years ago54.857.91628.7891.43
11-20 years ago15.7113.02613.41232.17
21-30 years ago8.3152.1317.91518.310
31-40 years ago5.3190.8504.42110.514
41-50 years ago4.1220.21003.6237.916
over 50 years ago15.3112.0317.51624.89
total103.8315.81165.54185.21
BL/BSn/a0.0.0.0.0.0.0.0.
less than 10 years ago9.4120.9500.65810.910
11-20 years ago3.7220.4710.9495.019
21-30 years ago1.3400.21000.21001.735
31-40 years ago1.1440.0.0.4711.537
41-50 years ago0.21000.0.0.21000.470
over 50 years ago1.3430.21000.0.1.539
total17.061.8352.32821.13
FRn/a0.0.0.0.0.0.0.0.
less than 10 years ago16.190.7506.41623.27
11-20 years ago5.8180.0.2.2308.015
21-30 years ago1.8330.21000.6582.627
31-40 years ago1.5380.0.1.6333.124
41-50 years ago0.6590.0.1.1401.733
over 50 years ago2.5280.31001.6354.421
total28.451.24113.41043.02
GEn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.7190.0.0.0.2.719
11-20 years ago0.0.0.0.0.0.0.0.
21-30 years ago1.0570.0.0.0.1.057
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
total3.970.0.0.0.3.97
GLn/a0.0.0.0.0.0.0.0.
less than 10 years ago1.7320.4712.3284.419
11-20 years ago1.6351.0441.2403.722
21-30 years ago1.8330.21001.3373.323
31-40 years ago1.3370.4690.4712.128
41-50 years ago0.6580.0.0.5691.144
over 50 years ago4.5200.4712.6267.414
total11.4112.3278.21221.94
GRn/a0.0.0.0.0.0.0.0.
less than 10 years ago17.4106.11815.31138.87
11-20 years ago13.1124.52113.61231.27
21-30 years ago12.4123.62312.61228.68
31-40 years ago10.3143.2259.81423.39
41-50 years ago8.6151.7335.81816.211
over 50 years ago42.374.52131.1777.94
total104.1423.7888.24216.01
JUn/a0.0.0.0.0.0.0.0.
less than 10 years ago12.7101.4373.72217.87
11-20 years ago4.3210.4712.5277.215
21-30 years ago2.1290.4710.6583.124
31-40 years ago1.6350.0.0.9422.527
41-50 years ago0.6580.0.0.4701.045
over 50 years ago0.8500.8490.6582.129
total22.162.9258.71333.72
LUn/a0.0.0.0.0.0.0.0.
less than 10 years ago20.870.6572.13023.66
11-20 years ago7.3150.21002.72710.212
21-30 years ago1.4370.0.0.8492.229
31-40 years ago1.4380.0.0.6582.031
41-50 years ago1.0450.0.0.4711.537
over 50 years ago1.8330.21000.4712.528
total33.941.0457.01542.02
NEn/a0.0.0.0.0.0.0.0.
less than 10 years ago18.772.4271.04422.15
11-20 years ago3.4230.21000.0.3.523
21-30 years ago1.0400.21000.0.1.237
31-40 years ago1.0450.0.0.0.1.045
41-50 years ago0.21000.0.0.0.0.2100
over 50 years ago0.31000.21000.21000.660
total24.652.9241.24128.63
NWn/a0.0.0.0.0.0.0.0.
less than 10 years ago1.8340.21001.0472.925
11-20 years ago1.2440.21001.3402.727
21-30 years ago0.8560.0.0.4721.243
31-40 years ago0.0.0.0.0.31000.3100
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.9490.21000.4721.536
total4.6170.5523.5228.66
OWn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.1280.8494.5187.413
11-20 years ago3.4230.11001.1414.719
21-30 years ago1.7340.0.0.4712.130
31-40 years ago0.5580.0.0.0.0.558
41-50 years ago1.1440.0.0.5601.635
over 50 years ago2.3300.3692.6275.118
total11.1111.2379.11121.44
SGn/a0.0.0.0.0.0.0.0.
less than 10 years ago11.6122.13110.01323.78
11-20 years ago5.3191.2416.11712.612
21-30 years ago2.9260.4712.6275.918
31-40 years ago1.2410.5572.0313.823
41-50 years ago1.1450.0.2.2313.225
over 50 years ago5.8180.5706.31712.612
total27.974.72029.3661.93
SHn/a0.0.0.0.0.0.0.0.
less than 10 years ago6.1140.21000.0.6.313
11-20 years ago4.0190.21000.0.4.219
21-30 years ago1.6330.0.0.0.1.633
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
total12.140.4690.0.12.53
SOn/a0.0.0.0.0.0.0.0.
less than 10 years ago18.170.9500.55719.67
11-20 years ago6.6160.4720.0.7.015
21-30 years ago1.3380.0.0.0.1.338
31-40 years ago1.2410.21000.0.1.338
41-50 years ago1.1450.0.0.21001.241
over 50 years ago1.2410.7580.21002.131
total29.532.1310.94532.62
SZn/a0.0.0.0.0.0.0.0.
less than 10 years ago5.1190.0.5.91711.011
11-20 years ago3.4231.0452.7267.115
21-30 years ago1.4370.8500.7502.925
31-40 years ago1.2410.0.0.8502.031
41-50 years ago1.0450.4710.6581.931
over 50 years ago4.2210.0.1.4385.618
total16.392.22912.11030.53
TGn/a0.0.0.0.0.0.0.0.
less than 10 years ago13.470.3700.65114.26
11-20 years ago2.7250.11000.4733.222
21-30 years ago1.0440.0.1.0442.029
31-40 years ago0.7560.0.0.0.0.756
41-50 years ago0.0.0.0.0.0.0.0.
over 50 years ago0.21000.0.0.0.0.2100
total17.940.4572.02920.32
TIn/a0.0.0.0.0.0.0.0.
less than 10 years ago4.6214.7216.11815.411
11-20 years ago3.4242.4293.7239.614
21-30 years ago4.8201.4385.81912.013
31-40 years ago6.7171.4387.11715.211
41-50 years ago4.3212.0318.21514.511
over 50 years ago22.2911.61354.9588.73
total46.1623.5885.73155.41
URn/a0.0.0.0.0.0.0.0.
less than 10 years ago1.7332.0311.6355.217
11-20 years ago2.1300.4711.3363.821
21-30 years ago2.2290.21001.2403.623
31-40 years ago1.4380.6570.6582.627
41-50 years ago1.1400.4690.0.1.535
over 50 years ago4.7200.21002.6277.515
total13.3103.7217.21424.25
VDn/a0.21000.0.0.0.0.2100
less than 10 years ago39.561.8336.01747.35
11-20 years ago14.8111.4382.62818.79
21-30 years ago8.2151.0452.62711.812
31-40 years ago5.0200.21001.2416.317
41-50 years ago4.5200.5570.8505.818
over 50 years ago6.5171.0452.62710.113
total78.735.91815.710100.32
VSn/a0.0.0.0.0.0.0.0.
less than 10 years ago8.5158.01510.41326.98
11-20 years ago4.6212.9267.61615.111
21-30 years ago3.8231.7336.11811.513
31-40 years ago6.3182.0314.32112.612
41-50 years ago5.2191.7335.71812.712
over 50 years ago24.197.71525.1857.05
total52.5524.1859.34135.82
ZGn/a0.0.0.0.0.0.0.0.
less than 10 years ago2.8200.21002.3195.38
11-20 years ago0.21000.0.0.11000.472
21-30 years ago0.21000.0.0.0.0.2100
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
total3.5150.21002.4186.14
ZHn/a0.0.0.0.0.0.0.0.
less than 10 years ago35.040.4710.94936.34
11-20 years ago8.6140.0.0.21008.714
21-30 years ago3.4240.0.0.0.3.424
31-40 years ago1.3400.0.0.0.1.340
41-50 years ago0.4710.0.0.0.0.471
over 50 years ago0.4700.0.0.21000.658
total49.120.4711.24150.71
Switzerlandn/a0.6580.0.0.0.0.658
less than 10 years ago342.5243.67110.84496.91
11-20 years ago124.3420.81064.95210.03
21-30 years ago67.2512.41345.36125.04
31-40 years ago50.469.41434.7794.54
41-50 years ago37.077.21630.5874.75
over 50 years ago143.7431.28140.53315.52
total765.71124.64426.721317.10
© WSL, Swiss National Forest Inventory, 18.06.2020 #865337/331668
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