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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%..2.2412.241
21-40%0.41002.5382.935
41-60%..12.21712.217
61-80%1.84538.6940.48
over 80%2.53894.5497.04
total4.627150.02154.72
Eastern Jura0-20%..1.2571.257
21-40%..0.41000.4100
41-60%..2.0442.044
61-80%..6.7236.723
over 80%..37.9537.95
total..48.2248.22
Western Plateau0-20%..1.2571.257
21-40%..0.8700.870
41-60%..5.3275.327
61-80%..12.31612.316
over 80%..29.1829.18
total..48.7348.73
Central Plateau0-20%..0.9570.957
21-40%..0.6710.671
41-60%..4.0274.027
61-80%..16.21216.212
over 80%..47.2547.25
total..69.1269.12
Eastern Plateau0-20%..0.7710.771
21-40%..3.2333.233
41-60%..4.7274.727
61-80%..21.81221.812
over 80%..82.9482.94
total..113.32113.32
Western Pre-Alps0-20%..0.41000.4100
21-40%0.7702.9353.731
41-60%1.1588.5199.618
61-80%0.77012.61513.314
over 80%0.77017.71218.511
total3.33342.1445.54
Central Pre-Alps0-20%..1.4501.450
21-40%..2.9352.935
41-60%1.84512.91614.715
61-80%1.84437.7839.48
over 80%3.63138.7842.37
total7.22293.63100.82
Eastern Pre-Alps0-20%..0.7710.771
21-40%..2.5372.537
41-60%..8.9198.919
61-80%1.45017.91319.312
over 80%1.45042.5643.96
total2.93572.5375.33
Northwestern Alps0-20%1.1570.7711.844
21-40%1.1573.2334.328
41-60%0.77110.01810.717
61-80%3.63117.21320.711
over 80%4.32821.11125.410
total10.71752.2562.94
Central Alps0-20%0.3100..0.3100
21-40%0.31002.5382.935
41-60%0.7705.6246.222
61-80%1.1586.2227.320
over 80%3.4309.01712.414
total5.92323.3929.17
Northeastern Alps0-20%..0.41000.4100
21-40%0.41003.2333.631
41-60%0.7715.7236.522
61-80%1.8446.1237.919
over 80%3.63012.51416.112
total6.42227.9734.45
Southwestern Alps0-20%..1.4501.450
21-40%1.7458.72010.418
41-60%7.92025.51133.49
61-80%7.22131.2938.48
over 80%8.22022.61130.89
total25.01189.44114.43
Southeastern Alps0-20%..2.8352.835
21-40%1.15815.81416.914
41-60%7.02243.1850.27
61-80%5.62546.5752.17
over 80%4.62722.41227.011
total18.313130.63148.92
Southern Alps0-20%..2.5382.538
21-40%0.41007.8218.121
41-60%3.23320.51323.712
61-80%5.72537.3943.08
over 80%4.62771.8576.45
total13.815139.93153.82
Switzerland0-20%1.45016.51517.914
21-40%6.02457.1863.27
41-60%23.212168.94192.04
61-80%30.711308.33338.93
over 80%37.010550.12587.12
total98.261100.911199.11

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #161940/148319
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