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NFI4
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
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
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0-20%0.5560.0.0.0.0.556
21-40%1.1380.0.0.0.1.138
41-60%1.5350.0.0.0.1.535
61-80%5.1180.0.0.0.5.118
over 80%38.430.0.0.0.38.43
total46.720.0.0.0.46.72
AI0-20%0.0.0.0.0.0.0.0.
21-40%0.21000.0.0.21000.471
41-60%0.4710.0.0.21000.657
61-80%0.0.0.4720.4680.848
over 80%1.7280.21001.4313.316
total2.3250.6572.2245.19
AR0-20%0.0.0.0.0.0.0.0.
21-40%0.5710.0.0.0.0.571
41-60%0.0.0.0.0.21000.2100
61-80%1.2390.21000.6601.929
over 80%3.6200.0.2.0255.613
total5.3130.21002.7228.16
BE0-20%1.0440.8501.2403.125
21-40%1.4381.0452.8265.319
41-60%8.7152.2305.51916.410
61-80%22.193.62316.11141.86
over 80%50.355.01939.3694.63
total83.5412.71264.94161.11
BL/BS0-20%0.21000.0.0.0.0.2100
21-40%0.0.0.0.0.0.0.0.
41-60%0.21000.0.0.21000.471
61-80%0.6580.0.0.31000.951
over 80%14.770.0.3.42318.15
total15.760.0.3.92219.64
FR0-20%0.0.0.0.0.0.0.0.
21-40%0.7560.0.0.6581.440
41-60%3.6220.5571.2405.317
61-80%5.2200.3704.91910.512
over 80%16.480.21006.01622.65
total25.951.04012.81039.73
GE0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.0.0.0.
41-60%0.0.0.0.0.0.0.0.
61-80%0.0.0.0.0.0.0.0.
over 80%3.1130.0.0.0.3.113
total3.1130.0.0.0.3.113
GL0-20%0.0.0.0.0.4700.470
21-40%0.4710.21000.0.0.557
41-60%0.8500.21000.21001.241
61-80%1.2401.1400.4712.725
over 80%2.5252.4274.1199.09
total4.9183.8205.11713.87
GR0-20%0.6580.0.0.4711.045
21-40%4.7201.2414.12210.014
41-60%14.4115.31919.41039.16
61-80%21.998.61524.1854.65
over 80%12.6125.61821.6839.86
total54.2520.7969.64144.52
JU0-20%0.21000.0.0.0.0.2100
21-40%0.0.0.0.0.0.0.0.
41-60%1.8320.0.0.0.1.832
61-80%3.9210.21001.2405.318
over 80%15.590.7479.31225.55
total21.360.94310.51132.83
LU0-20%0.4700.0.0.4700.848
21-40%0.6570.0.0.0.0.657
41-60%5.0180.21000.4715.517
61-80%10.7120.0.1.83312.511
over 80%15.390.4714.22120.07
total31.940.6586.81639.43
NE0-20%0.31000.0.0.0.0.3100
21-40%0.0.0.0.0.0.0.0.
41-60%2.3280.0.0.21002.527
61-80%4.9180.21001.0456.016
over 80%15.970.9501.72918.56
total23.451.0442.82427.33
NW0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.21000.2100
41-60%0.5710.31000.0.0.856
61-80%1.0470.5710.8562.428
over 80%2.0330.4671.6293.917
total3.5211.2442.6267.29
OW0-20%0.6570.0.0.0.0.657
21-40%0.21000.0.0.4690.657
41-60%2.3270.21000.7503.221
61-80%2.5250.5593.0245.915
over 80%3.5211.0453.2237.811
total9.1121.7337.41318.14
SG0-20%0.4710.0.0.21000.657
21-40%1.9320.21000.9482.925
41-60%2.4300.0.2.1314.521
61-80%5.3190.8514.72010.913
over 80%10.2123.32516.4929.85
total20.194.42124.3748.84
SH0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.0.0.0.
41-60%0.21000.0.0.0.0.2100
61-80%1.9310.0.0.0.1.931
over 80%9.870.0.0.46910.27
total11.940.0.0.46912.33
SO0-20%0.21000.0.0.0.0.2100
21-40%0.5680.0.0.0.0.568
41-60%0.6580.0.0.0.0.658
61-80%3.3240.0.0.5703.823
over 80%23.850.21002.42826.44
total28.530.21002.92631.62
SZ0-20%0.0.0.0.0.21000.2100
21-40%1.2400.0.0.4711.734
41-60%3.0250.0.0.8493.821
61-80%2.9250.4712.7266.116
over 80%6.3150.9446.51513.77
total13.5101.43710.71125.54
TG0-20%0.7560.0.0.0.0.756
21-40%0.5680.0.0.0.0.568
41-60%0.6580.0.0.0.0.658
61-80%2.5250.0.0.4732.924
over 80%12.970.0.2.02815.05
total17.250.0.2.42619.63
TI0-20%0.0.0.0.0.4710.471
21-40%0.21000.4711.1411.733
41-60%2.7271.1412.7276.617
61-80%3.7231.93116.61022.29
over 80%9.7144.62054.8469.03
total16.3108.01575.6399.92
UR0-20%0.0.0.21000.0.0.2100
21-40%0.0.0.3700.21000.658
41-60%1.3360.4710.7572.427
61-80%2.1290.8501.3374.219
over 80%1.3361.8312.4275.614
total4.8183.5214.61812.96
VD0-20%1.7340.0.0.0.1.734
21-40%1.9330.21000.21002.330
41-60%7.5160.21000.6588.415
61-80%16.8101.3383.02621.09
over 80%39.653.32411.41254.34
total67.535.01915.21087.72
VS0-20%0.21000.0.0.21000.471
21-40%3.0261.0452.5296.417
41-60%6.3185.3199.91421.59
61-80%8.5157.91519.7936.16
over 80%6.6178.61419.3934.66
total24.5822.9851.6599.02
ZG0-20%0.0.0.0.0.11000.1100
21-40%0.0.0.0.0.0.0.0.
41-60%0.11000.0.0.21000.371
61-80%0.8410.0.0.3711.133
over 80%1.9260.21001.6303.714
total2.9190.21002.3225.48
ZH0-20%0.0.0.0.0.0.0.0.
21-40%1.4360.0.0.0.1.436
41-60%1.3400.0.0.0.1.340
61-80%7.9150.0.0.4728.214
over 80%36.540.0.1.24137.84
total47.120.0.1.63548.82
Switzerland0-20%7.1171.0453.62311.713
21-40%20.3104.52113.71238.57
41-60%67.6516.01145.06128.64
61-80%136.0428.78104.14268.82
over 80%354.3239.67216.43610.31
total585.2189.84382.821057.81
© WSL, Swiss National Forest Inventory, 18.06.2020 #863452/329783
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