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NFI4
forest area
avalanches SilvaProtect · degree of cover of assured regeneration
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
cantondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGless than 1%2.4280.0.0.0.2.428
1-4%3.8220.0.0.0.3.822
5-9%5.0190.0.0.0.5.019
10-25%12.7110.0.0.0.12.711
26-50%10.2130.0.0.0.10.213
51-75%5.2190.0.0.0.5.219
76-100%8.3130.0.0.0.8.313
total47.520.0.0.0.47.52
AIless than 1%0.4720.4680.4681.236
1-4%1.0440.21000.6571.731
5-9%0.0.0.0.0.21000.2100
10-25%0.6570.0.0.7471.336
26-50%0.6570.0.0.4720.942
51-75%0.0.0.0.0.0.0.0.
76-100%0.0.0.0.0.0.0.0.
total2.5240.6572.2245.310
ARless than 1%0.7500.21000.3691.236
1-4%0.7510.0.0.7571.436
5-9%1.1440.0.0.6461.732
10-25%1.0460.0.0.5571.435
26-50%1.1400.0.0.5571.632
51-75%0.5670.0.0.21000.756
76-100%0.5560.0.0.0.0.556
total5.6120.21002.7228.46
BEless than 1%5.6191.4381.4388.415
1-4%13.2121.5359.31424.19
5-9%14.1122.82712.31229.18
10-25%25.885.11924.7855.75
26-50%15.7111.24112.01328.98
51-75%13.4120.6584.72118.710
76-100%6.4170.4712.6289.514
total94.2313.11267.14174.31
BL/BSless than 1%0.21000.0.0.21000.570
1-4%1.8340.0.0.21002.032
5-9%1.2440.0.1.0442.231
10-25%4.8200.0.1.9346.616
26-50%3.1250.0.0.4703.423
51-75%2.6280.0.0.21002.826
76-100%3.0230.0.0.21003.323
total16.760.0.4.12120.83
FRless than 1%1.8330.0.1.1402.926
1-4%3.8220.5571.2415.518
5-9%5.1190.21001.2416.517
10-25%9.2140.21005.01914.410
26-50%4.0220.21002.9257.016
51-75%3.0270.0.1.8334.820
76-100%0.4710.0.0.21000.658
total27.451.04013.41041.83
GEless than 1%0.8660.0.0.0.0.866
1-4%0.41000.0.0.0.0.4100
5-9%0.21000.0.0.0.0.2100
10-25%1.2500.0.0.0.1.250
26-50%0.41000.0.0.0.0.4100
51-75%0.41000.0.0.0.0.4100
76-100%0.41000.0.0.0.0.4100
total3.750.0.0.0.3.75
GLless than 1%1.1400.8490.4712.327
1-4%1.2410.6571.6343.422
5-9%1.2400.4710.21001.833
10-25%1.7331.5351.2404.419
26-50%0.5570.21001.2411.931
51-75%0.9430.6580.8492.328
76-100%0.4710.21000.0.0.558
total7.1154.2195.21716.66
GRless than 1%9.4145.11913.81128.38
1-4%20.494.72022.0947.16
5-9%11.3133.92213.91229.08
10-25%22.495.71821.7949.96
26-50%8.1163.2258.51519.810
51-75%4.9200.4711.9337.216
76-100%0.8500.21000.21001.241
total77.4423.1981.94182.51
JUless than 1%0.6580.0.0.4711.045
1-4%1.7330.0.1.4373.124
5-9%2.9250.21001.5354.719
10-25%7.2150.3673.72211.311
26-50%4.4200.21001.4375.917
51-75%3.5230.0.1.6345.118
76-100%1.7320.21000.8502.726
total22.160.94310.71133.72
LUless than 1%2.1300.0.0.21002.428
1-4%4.0220.4710.4714.919
5-9%5.2190.0.0.6575.717
10-25%10.7120.21002.92613.710
26-50%7.0150.0.2.4289.413
51-75%3.2240.0.0.21003.423
76-100%1.0440.0.0.4701.437
total33.240.6587.01640.82
NEless than 1%0.5720.0.0.0.0.572
1-4%2.6270.0.0.4713.025
5-9%3.1240.0.0.21003.223
10-25%8.3140.0.0.7499.013
26-50%5.5170.4710.9446.815
51-75%3.3240.6580.5574.420
76-100%1.3380.0.0.21001.535
total24.651.0442.82428.53
NWless than 1%0.8560.0.0.31001.148
1-4%1.2390.0.0.4721.632
5-9%0.31000.31000.9511.440
10-25%1.2440.21000.0.1.340
26-50%0.8530.0.0.5521.338
51-75%0.21000.4720.5681.243
76-100%0.0.0.31000.21000.472
total4.5181.2442.8248.47
OWless than 1%0.21000.0.0.4710.657
1-4%2.1310.6591.0453.822
5-9%2.4290.8461.3404.520
10-25%3.5220.21003.5227.214
26-50%1.3380.4720.4712.130
51-75%0.8500.0.1.2401.930
76-100%0.21000.0.0.11000.372
total10.5112.0308.01320.44
SGless than 1%3.2250.6582.9266.717
1-4%3.5230.21004.9208.615
5-9%3.5230.9502.5276.916
10-25%8.7151.1458.31418.19
26-50%3.2250.8515.1199.214
51-75%1.8330.5712.7265.019
76-100%0.8500.21001.0452.131
total24.784.42127.4756.53
SHless than 1%1.5360.0.0.0.1.536
1-4%1.8330.0.0.21002.031
5-9%1.1440.0.0.0.1.144
10-25%2.8250.0.0.0.2.825
26-50%2.2280.0.0.0.2.228
51-75%1.7340.0.0.21001.931
76-100%1.1430.0.0.0.1.143
total12.140.0.0.46912.53
SOless than 1%0.8510.0.0.0.0.851
1-4%1.6350.0.0.0.1.635
5-9%4.0210.0.0.6584.720
10-25%6.5160.21000.5587.215
26-50%7.2150.0.0.7577.914
51-75%5.1190.0.0.6595.617
76-100%4.3200.0.0.4724.819
total29.530.21002.92632.62
SZless than 1%0.4710.0.1.1401.535
1-4%3.3230.4692.1305.817
5-9%3.4230.21001.1404.719
10-25%4.4200.7503.8229.013
26-50%2.3300.21002.9265.418
51-75%1.3400.21000.21001.735
76-100%0.4710.0.0.7571.144
total15.591.73311.91029.14
TGless than 1%1.1350.0.0.0.1.135
1-4%1.3350.0.0.0.1.335
5-9%0.8390.0.0.21001.038
10-25%4.5180.0.0.6515.117
26-50%3.9200.0.0.8454.717
51-75%3.3220.0.0.7514.020
76-100%3.0240.0.0.0.3.024
total17.940.0.2.42620.32
TIless than 1%3.3241.0457.31611.613
1-4%5.6192.62821.8930.07
5-9%6.1181.93123.3931.37
10-25%8.7152.92522.8934.47
26-50%4.5210.9458.71514.111
51-75%1.0450.0.3.3244.221
76-100%0.4710.21001.2411.733
total29.589.51488.33127.42
URless than 1%0.21000.8500.4711.437
1-4%0.6580.6570.21001.437
5-9%1.2410.8491.0422.923
10-25%2.6270.6581.4374.619
26-50%2.1290.9432.3285.317
51-75%0.6580.0.0.4710.944
76-100%0.0.0.0.0.0.0.0.
total7.2143.7215.71616.55
VDless than 1%3.7230.21000.4704.321
1-4%13.4120.6581.33815.311
5-9%10.9131.5373.22515.610
10-25%21.492.0315.71829.17
26-50%12.3120.6582.92615.910
51-75%9.7140.0.1.53511.213
76-100%4.9190.4710.8506.117
total76.435.21915.81097.42
VSless than 1%2.2301.4384.5208.115
1-4%8.9157.71512.71229.37
5-9%10.3145.51911.71227.68
10-25%11.4137.61517.41036.46
26-50%5.1201.6359.41416.011
51-75%1.7350.21001.4383.325
76-100%0.6580.0.0.0.0.658
total40.2623.9857.04121.12
ZGless than 1%0.7520.0.0.21000.943
1-4%0.4720.0.0.11000.558
5-9%0.6590.0.0.0.0.659
10-25%1.4340.0.0.7462.126
26-50%0.0.0.21000.7500.943
51-75%0.3710.0.0.3710.648
76-100%0.11000.0.0.21000.371
total3.5150.21002.3226.05
ZHless than 1%1.3370.0.0.0.1.337
1-4%5.5180.0.0.0.5.518
5-9%4.3210.0.0.21004.520
10-25%10.4130.0.0.65811.012
26-50%10.1130.0.0.0.10.113
51-75%9.7130.0.0.65810.313
76-100%7.7150.0.0.21007.915
total48.920.0.1.63550.51
Switzerlandless than 1%45.2711.81335.7792.74
1-4%103.7420.71082.45206.93
5-9%99.2419.21077.65196.13
10-25%193.0328.58128.34349.82
26-50%115.4410.91365.05191.33
51-75%77.953.52425.49106.74
76-100%47.962.1329.41559.36
total682.2196.84423.721202.71
© WSL, Swiss National Forest Inventory, 18.06.2020 #862527/328858
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