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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
cantondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %
AG0-20%..0.8700.870
21-40%..2.0442.044
41-60%..2.4402.440
61-80%..6.8236.823
over 80%..37.0637.06
total..49.1249.12
AI0-20%......
21-40%......
41-60%..0.7710.771
61-80%..1.3451.345
over 80%..3.2223.222
total..5.2125.212
AR0-20%......
21-40%......
41-60%..0.31000.3100
61-80%..2.6302.630
over 80%..5.1165.116
total..8.058.05
BE0-20%..3.1333.133
21-40%0.41006.5236.922
41-60%0.310018.21318.513
61-80%1.74551.4753.17
over 80%3.43184.5587.95
total5.824163.72169.52
BL/BS0-20%..0.41000.4100
21-40%......
41-60%..0.8700.870
61-80%0.41001.2571.649
over 80%..17.9717.97
total0.410020.3520.75
FR0-20%......
21-40%..1.8441.844
41-60%..6.7226.722
61-80%..12.31512.315
over 80%..21.71021.710
total..42.6342.63
GE0-20%......
21-40%......
41-60%..0.51000.5100
61-80%..0.51000.5100
over 80%..2.2342.234
total..3.1203.120
GL0-20%..0.41000.4100
21-40%..1.5491.549
41-60%0.41001.9442.340
61-80%..2.7362.736
over 80%2.3398.11710.414
total2.73614.61017.37
GR0-20%..2.1412.141
21-40%..15.71415.714
41-60%2.14153.6755.77
61-80%1.45057.9759.36
over 80%3.13332.7935.99
total6.623162.02168.62
JU0-20%..0.41000.4100
21-40%......
41-60%..2.7372.737
61-80%0.41005.5255.824
over 80%0.87024.1724.97
total1.25732.7333.93
LU0-20%..0.9570.957
21-40%..0.31000.3100
41-60%..6.0216.021
61-80%..14.21314.213
over 80%..18.61018.610
total..40.0340.03
NE0-20%..0.41000.4100
21-40%......
41-60%..2.6342.634
61-80%..10.21610.216
over 80%..15.11015.110
total..28.2428.24
NW0-20%......
21-40%......
41-60%..0.8690.869
61-80%..1.9401.940
over 80%0.41004.6205.019
total0.41007.3107.78
OW0-20%..0.31000.3100
21-40%..0.41000.4100
41-60%..3.0333.033
61-80%0.7707.1197.817
over 80%..7.5187.518
total0.77018.3519.04
SG0-20%..0.41000.4100
21-40%..2.5372.537
41-60%..7.2217.221
61-80%0.410013.01513.415
over 80%1.15729.6830.78
total1.45052.8454.24
SH0-20%......
21-40%......
41-60%..0.41000.4100
61-80%..3.2293.229
over 80%..9.3119.311
total..12.8312.83
SO0-20%..0.41000.4100
21-40%..0.41000.4100
41-60%..0.8700.870
61-80%..4.9264.926
over 80%0.87024.6725.46
total0.87031.0431.83
SZ0-20%......
21-40%..2.5372.537
41-60%..5.4245.424
61-80%..6.5226.522
over 80%1.15712.71313.812
total1.15727.2528.35
TG0-20%..0.6700.670
21-40%..0.31000.3100
41-60%..0.6700.670
61-80%..4.8224.822
over 80%..15.0915.09
total..21.3321.33
TI0-20%0.41001.1581.450
21-40%0.41006.1246.423
41-60%0.410013.21613.616
61-80%1.45029.01030.410
over 80%5.42560.4665.85
total7.921109.83117.72
UR0-20%0.3100..0.3100
21-40%0.31000.7701.057
41-60%..3.7293.729
61-80%1.0574.7255.722
over 80%1.3496.0217.318
total3.03115.01118.09
VD0-20%..1.5501.550
21-40%..4.1304.130
41-60%..11.41711.417
61-80%..28.01028.010
over 80%0.87153.1653.96
total0.87198.1298.92
VS0-20%..1.0581.058
21-40%0.7717.9208.619
41-60%2.43829.21031.69
61-80%3.43134.0937.48
over 80%1.74428.81030.59
total8.220100.93109.13
ZG0-20%..0.41000.4100
21-40%......
41-60%..0.9680.968
61-80%..0.9680.968
over 80%..3.9213.921
total..6.066.06
ZH0-20%......
21-40%..1.4491.449
41-60%..1.8441.844
61-80%..11.31611.316
over 80%..36.7636.76
total..51.1251.12
Switzerland0-20%0.77114.21614.915
21-40%1.84554.2855.98
41-60%5.625174.64180.24
61-80%10.918315.83326.63
over 80%22.113562.32584.52
total41.091121.111162.11

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #165002/151384
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