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NFI4b

forest area: rockfall 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
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstand stability1000 ha± %1000 ha± %1000 ha± %
Western Juracritical..3.6313.631
less stable1.45044.3845.78
stable1.45098.2499.64
total2.935146.02148.92
Eastern Juracritical..0.8700.870
less stable0.410016.61317.012
stable..29.2829.28
total0.410046.6347.03
Western Plateaucritical..1.2571.257
less stable..16.51316.513
stable..29.4829.48
total..47.2447.24
Central Plateaucritical..1.9401.940
less stable0.310026.4926.79
stable..40.1640.16
total0.310068.4268.72
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 stable..20.71020.710
stable0.410017.41217.812
total0.410040.7441.14
Central Pre-Alpscritical..8.2208.220
less stable0.77143.7744.57
stable0.77141.2742.07
total1.45093.2394.72
Eastern Pre-Alpscritical..3.2333.233
less stable0.410029.3929.69
stable0.77135.4836.17
total1.15767.9368.93
Northwestern Alpscritical..2.9352.935
less stable2.14026.8928.99
stable2.14020.81122.911
total4.32850.4554.74
Central Alpscritical0.7701.4502.140
less stable1.4498.0199.317
stable1.4499.31710.715
total3.43018.61022.18
Northeastern Alpscritical0.41002.1402.537
less stable1.15714.01315.013
stable1.8449.31711.116
total3.23225.4828.76
Southwestern Alpscritical0.77110.31811.017
less stable3.83035.3839.18
stable3.83039.8843.67
total8.22085.4493.73
Southeastern Alpscritical..6.3236.323
less stable1.15844.9846.07
stable1.15865.7666.86
total2.141116.93119.03
Southern Alpscritical1.1586.0247.022
less stable6.02456.3762.36
stable3.23346.7750.07
total10.318109.04119.33
Switzerlandcritical2.83553.0855.88
less stable18.614424.22442.92
stable16.614548.72565.32
total38.091025.911063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163516/149896
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