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NFI3
forest area
rockfall SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: canton
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
cantondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AG0-20%0.4700.0.0.0.0.470
21-40%0.7490.0.0.0.0.749
41-60%1.8320.0.0.0.1.832
61-80%2.5270.0.0.21002.826
over 80%40.330.0.1.63541.93
total45.720.0.1.83347.52
AI0-20%0.0.0.0.0.0.0.0.
21-40%0.21000.0.0.0.0.2100
41-60%0.0.0.0.0.6570.657
61-80%1.0430.0.0.21001.239
over 80%1.3340.0.2.1263.416
total2.5240.0.2.8205.310
AR0-20%0.0.0.0.0.0.0.0.
21-40%0.0.0.0.0.0.0.0.
41-60%0.5670.0.0.0.0.567
61-80%0.21000.0.0.21000.367
over 80%4.6160.0.2.7217.39
total5.3130.0.2.8208.16
BE0-20%1.8330.21001.7353.723
21-40%4.1220.0.2.2306.317
41-60%7.2160.6585.91813.711
61-80%12.4121.04513.91127.38
over 80%63.842.82751.35118.02
total89.344.62175.04168.91
BL/BS0-20%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%0.9480.0.0.0.0.948
over 80%15.470.5723.62219.54
total16.360.5723.62220.43
FR0-20%0.7560.0.0.4711.243
21-40%0.7560.0.0.21001.048
41-60%3.3250.0.2.1295.418
61-80%3.7230.0.3.1236.816
over 80%18.580.0.8.51427.05
total27.050.0.14.4941.43
GE0-20%0.21000.0.0.0.0.2100
21-40%0.0.0.0.0.0.0.0.
41-60%0.41000.0.0.0.0.4100
61-80%0.0.0.0.0.0.0.0.
over 80%3.1130.0.0.0.3.113
total3.750.0.0.0.3.75
GL0-20%0.0.0.0.0.21000.2100
21-40%0.8500.0.0.4711.241
41-60%1.3370.4700.7492.426
61-80%1.3370.6571.3373.323
over 80%2.5261.4364.3198.111
total6.0162.3276.91415.26
GR0-20%2.6280.0.1.8334.421
21-40%8.5150.21009.11417.810
41-60%15.2110.210018.61034.07
61-80%19.7102.92628.6851.25
over 80%23.883.22537.0664.04
total69.856.51795.23171.52
JU0-20%0.0.0.0.0.0.0.0.
21-40%0.21000.0.0.0.0.2100
41-60%0.4690.0.0.4710.848
61-80%4.5190.0.1.4365.916
over 80%16.881.2408.51326.54
total21.961.24010.31233.43
LU0-20%0.0.0.0.0.21000.2100
21-40%1.0430.0.0.0.1.043
41-60%1.2410.0.0.0.1.241
61-80%6.6160.0.1.0447.615
over 80%24.060.0.6.41630.44
total32.840.0.7.61540.42
NE0-20%0.5720.0.0.0.0.572
21-40%0.31000.0.0.21000.572
41-60%1.9320.0.0.0.1.932
61-80%3.2240.0.0.7503.921
over 80%18.360.21002.82521.35
total24.150.21003.62128.03
NW0-20%0.0.0.0.0.31000.3100
21-40%0.7570.0.0.31001.047
41-60%0.5710.0.0.0.0.571
61-80%0.8530.0.0.0.0.853
over 80%2.2290.21003.3225.612
total4.3180.21003.8208.27
OW0-20%0.4710.0.0.0.0.471
21-40%1.1410.0.0.3721.435
41-60%2.2280.0.1.2393.422
61-80%1.9310.21002.5274.518
over 80%4.3190.11004.8189.210
total9.9110.3728.81119.04
SG0-20%0.4710.0.0.9481.339
21-40%1.7340.0.1.1442.827
41-60%1.9330.0.1.8323.822
61-80%3.7240.0.5.1208.815
over 80%14.7101.53820.5836.75
total22.481.53829.4653.33
SH0-20%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%11.940.0.0.46912.33
total11.940.0.0.46912.33
SO0-20%0.21000.0.0.0.0.2100
21-40%0.21000.0.0.0.0.2100
41-60%1.2410.0.0.21001.538
61-80%1.5350.0.0.4691.931
over 80%25.940.9501.53528.33
total29.030.9502.13032.12
SZ0-20%1.0450.0.0.8491.933
21-40%2.0310.0.0.21002.230
41-60%2.0310.0.1.6353.722
61-80%3.9210.0.2.9256.815
over 80%6.3150.7567.01514.07
total15.390.75612.61028.54
TG0-20%0.3730.0.0.0.0.373
21-40%0.21000.0.0.0.0.2100
41-60%0.4730.0.0.0.0.473
61-80%0.9450.0.0.11001.041
over 80%15.960.0.2.32718.14
total17.740.0.2.42620.12
TI0-20%0.8500.21001.8332.927
21-40%3.9220.6582.4276.916
41-60%4.8200.4717.11612.412
61-80%6.2171.83315.21123.28
over 80%9.8145.12061.1476.03
total25.688.01587.73121.32
UR0-20%0.21000.0.0.21000.471
21-40%0.6580.0.0.0.0.658
41-60%1.6340.6580.4692.626
61-80%2.0300.6581.3373.820
over 80%2.5261.8324.2188.510
total6.8153.0246.01415.86
VD0-20%1.4370.0.0.4711.833
21-40%3.0250.0.0.0.3.025
41-60%7.3160.0.1.0458.315
61-80%12.2120.0.4.02216.210
over 80%50.840.65814.91066.33
total74.730.65820.2995.62
VS0-20%1.0450.4710.8502.230
21-40%8.2150.0.4.02212.213
41-60%7.8161.53811.21320.59
61-80%7.9161.93118.6928.47
over 80%9.3143.22437.9650.55
total34.377.01672.53113.82
ZG0-20%0.0.0.0.0.11000.1100
21-40%0.0.0.0.0.11000.1100
41-60%0.0.0.0.0.4720.472
61-80%0.3670.0.0.0.0.367
over 80%3.0180.0.1.8234.810
total3.3170.0.2.5205.76
ZH0-20%0.5690.0.0.0.0.569
21-40%0.6570.0.0.21000.850
41-60%0.5690.0.0.0.0.569
61-80%3.0250.0.0.21003.224
over 80%43.130.0.1.34044.42
total47.820.0.1.63549.42
Switzerland0-20%12.4130.8509.61522.99
21-40%38.870.85020.81060.46
41-60%63.653.62453.46120.64
61-80%100.449.015100.64210.03
over 80%432.2123.39289.72745.21
total647.4137.57474.211159.11
© WSL, Swiss National Forest Inventory, 18.06.2020 #861491/327822
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