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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · stand stability · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstand stability1000 ha± %1000 ha± %1000 ha± %
Western Juracritical..3.6313.631
less stable1.15844.6845.78
stable3.63196.0499.64
total4.627144.22148.92
Eastern Juracritical..0.8700.870
less stable..17.01217.012
stable..29.2829.28
total..47.0347.03
Western Plateaucritical..1.2571.257
less stable..16.51316.513
stable..29.4829.48
total..47.2447.24
Central Plateaucritical..1.9401.940
less stable..26.7926.79
stable..40.1640.16
total..68.7268.72
Eastern Plateaucritical..2.5372.537
less stable..41.5841.58
stable..66.1566.15
total..110.12110.12
Western Pre-Alpscritical..2.6372.637
less stable1.55019.21120.710
stable1.54916.31217.812
total2.93538.1541.14
Central Pre-Alpscritical0.41007.9218.220
less stable4.72739.8844.57
stable1.84440.2842.07
total6.82287.8394.72
Eastern Pre-Alpscritical..3.2333.233
less stable1.84427.9929.69
stable1.15735.0836.17
total2.93566.1368.93
Northwestern Alpscritical0.7712.1402.935
less stable5.02623.91028.99
stable4.62718.31222.911
total10.41744.3654.74
Central Alpscritical0.7701.4502.140
less stable2.1407.3209.317
stable2.1408.61810.715
total4.82517.31122.18
Northeastern Alpscritical..2.5372.537
less stable3.23211.81515.013
stable2.9348.21911.116
total6.12222.6928.76
Southwestern Alpscritical3.4317.52111.017
less stable11.31727.81039.18
stable9.61834.0943.67
total24.41169.3593.73
Southeastern Alpscritical1.4504.9266.323
less stable6.32339.7846.07
stable7.72159.0666.86
total15.514103.63119.03
Southern Alpscritical0.7716.3237.022
less stable5.32557.0662.36
stable6.42343.6850.07
total12.416106.94119.33
Switzerlandcritical7.32248.5855.88
less stable42.29400.72442.92
stable41.29524.02565.32
total90.86973.211063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163326/149706
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