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NFI4
forest area
rockfall SilvaProtect · degree of cover of assured regeneration
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
rockfall 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%3.6230.0.0.21003.822
5-9%4.6200.0.0.4715.019
10-25%12.1110.0.0.47112.511
26-50%10.0130.0.0.210010.213
51-75%4.2210.0.0.4714.620
76-100%8.1130.0.0.21008.313
total44.920.0.1.83346.72
AIless than 1%0.4720.0.0.8451.236
1-4%0.8490.0.0.7491.533
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.
total2.3250.0.2.8205.19
ARless than 1%0.7500.0.0.5551.236
1-4%0.6590.0.0.7571.238
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%0.3710.0.0.0.0.371
total5.3130.0.2.8208.16
BEless than 1%4.8200.0.2.8277.616
1-4%11.4130.65810.31422.29
5-9%12.6120.85013.81127.38
10-25%22.691.43827.5851.55
26-50%13.4120.0.12.61226.18
51-75%12.6121.0453.82317.510
76-100%6.0180.6582.2308.915
total83.544.42173.24161.11
BL/BSless than 1%0.21000.0.0.21000.570
1-4%1.8340.0.0.21002.032
5-9%1.2440.21000.8502.231
10-25%4.4210.31001.4406.017
26-50%2.8260.0.0.4703.224
51-75%2.6280.0.0.21002.826
76-100%2.7250.0.0.21002.924
total15.760.5723.42319.64
FRless than 1%1.8330.0.1.1402.926
1-4%3.8220.0.1.7335.518
5-9%4.7200.0.1.2415.918
10-25%8.6140.0.4.81913.411
26-50%4.0220.0.3.1247.016
51-75%2.6290.0.1.8334.421
76-100%0.4710.0.0.21000.658
total25.950.0.13.81039.73
GEless than 1%0.41000.0.0.0.0.4100
1-4%0.41000.0.0.0.0.4100
5-9%0.0.0.0.0.0.0.0.
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
total3.1130.0.0.0.3.113
GLless than 1%0.8490.21001.0442.029
1-4%1.2410.8501.4363.422
5-9%1.1440.4710.0.1.437
10-25%0.9450.4712.0293.422
26-50%0.21000.21001.2401.535
51-75%0.4690.4710.8501.534
76-100%0.4710.0.0.21000.558
total4.9182.3276.61413.87
GRless than 1%7.0170.210017.51024.78
1-4%15.8112.32920.8938.96
5-9%8.3150.85014.31123.49
10-25%15.8112.03221.9939.76
26-50%4.0220.0.8.31512.312
51-75%2.6270.0.1.9334.521
76-100%0.6580.0.0.4711.045
total54.255.31985.03144.52
JUless than 1%0.6580.0.0.4711.045
1-4%1.6350.21001.2402.925
5-9%2.9250.6581.1404.719
10-25%6.6150.0.3.92110.511
26-50%4.4200.0.1.5355.917
51-75%3.5230.4701.2405.118
76-100%1.7320.0.1.0442.726
total21.361.24010.31232.83
LUless than 1%2.1300.0.0.21002.428
1-4%3.8220.0.0.9504.620
5-9%5.0190.0.0.6575.618
10-25%10.5120.0.3.12513.510
26-50%6.6160.0.2.2308.813
51-75%3.0250.0.0.21003.224
76-100%1.0440.0.0.4701.437
total31.940.0.7.41539.43
NEless than 1%0.5720.0.0.0.0.572
1-4%2.0310.21000.21002.428
5-9%2.7260.0.0.21002.925
10-25%8.3140.0.0.7499.013
26-50%5.5170.0.1.3376.815
51-75%3.1250.0.1.1414.220
76-100%1.3380.0.0.21001.535
total23.450.21003.62127.33
NWless than 1%0.5710.0.0.31000.856
1-4%1.2390.0.0.4721.632
5-9%0.31000.0.1.2441.440
10-25%0.7590.0.0.21000.950
26-50%0.8530.21000.4671.338
51-75%0.0.0.0.0.7570.757
76-100%0.0.0.0.0.4720.472
total3.5210.21003.5217.29
OWless than 1%0.21000.0.0.4710.657
1-4%1.7340.0.1.5373.224
5-9%1.8330.11001.7333.622
10-25%3.3220.0.3.3236.614
26-50%1.3380.0.0.6571.931
51-75%0.8500.21001.0451.930
76-100%0.0.0.0.0.11000.1100
total9.1120.3728.71118.14
SGless than 1%2.1310.21002.8265.119
1-4%2.9260.21004.0227.116
5-9%3.3240.0.3.0266.317
10-25%6.8170.6587.91515.310
26-50%2.6280.21005.5188.315
51-75%1.6350.21002.7264.520
76-100%0.8500.0.1.2412.131
total20.191.53827.2748.84
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%2.6260.0.0.0.2.626
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
total11.940.0.0.46912.33
SOless than 1%0.8510.0.0.0.0.851
1-4%1.6350.0.0.0.1.635
5-9%3.8220.5700.21004.420
10-25%6.3160.21000.5587.015
26-50%7.0150.21000.5707.714
51-75%5.1190.0.0.6595.617
76-100%4.0210.0.0.4724.420
total28.530.9502.13031.62
SZless than 1%0.4710.0.1.1401.535
1-4%3.1240.21002.3285.617
5-9%2.6270.0.1.3373.921
10-25%4.4200.0.3.4237.814
26-50%1.7350.21002.4284.420
51-75%0.9500.0.0.4711.241
76-100%0.4710.21000.4711.144
total13.5100.75611.41125.54
TGless than 1%1.0380.0.0.0.1.038
1-4%1.0410.0.0.0.1.041
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%2.7250.0.0.0.2.725
total17.250.0.2.42619.63
TIless than 1%2.2300.21007.71610.114
1-4%2.8272.03218.9923.78
5-9%3.4242.03119.9925.28
10-25%5.4191.83320.5927.78
26-50%2.2300.8506.3179.314
51-75%0.4710.21002.3292.926
76-100%0.0.0.21000.8501.045
total16.3107.31676.3399.92
URless than 1%0.21000.6580.6581.437
1-4%0.6580.21000.6561.437
5-9%1.0450.6561.2382.723
10-25%1.8320.6571.2393.721
26-50%1.0380.4711.9303.321
51-75%0.21000.0.0.21000.471
76-100%0.0.0.0.0.0.0.0.
total4.8182.4275.71512.96
VDless than 1%2.7270.0.0.5573.324
1-4%10.9130.0.1.93112.812
5-9%9.9130.21004.22114.311
10-25%18.690.4716.91625.87
26-50%11.3120.0.3.62314.911
51-75%9.1140.0.1.53510.613
76-100%4.9190.0.1.0455.918
total67.530.65819.6987.72
VSless than 1%1.0450.21005.4186.617
1-4%5.4191.33717.61024.48
5-9%6.0182.03213.11221.19
10-25%8.0152.13021.8932.07
26-50%2.6281.0458.51512.112
51-75%1.0450.21001.3412.529
76-100%0.4710.0.0.0.0.471
total24.586.81667.7499.02
ZGless than 1%0.21000.0.0.21000.567
1-4%0.4720.0.0.11000.558
5-9%0.4710.0.0.0.0.471
10-25%1.4340.0.0.7462.126
26-50%0.0.0.0.0.9430.943
51-75%0.3710.0.0.3710.648
76-100%0.11000.0.0.21000.371
total2.9190.0.2.5205.48
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%10.0130.0.0.65810.613
26-50%9.1140.0.0.0.9.114
51-75%9.7130.0.0.65810.313
76-100%7.3160.0.0.21007.515
total47.120.0.1.63548.82
Switzerlandless than 1%35.971.73643.6681.15
1-4%85.458.11685.85179.33
5-9%82.858.21679.45170.43
10-25%166.539.814134.24310.52
26-50%98.843.22563.05165.03
51-75%69.352.62824.0995.94
76-100%44.761.0459.91455.66
total583.4134.57439.921057.81
© WSL, Swiss National Forest Inventory, 18.06.2020 #860571/326902
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