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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · crown closure · 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 regioncrown closure1000 ha± %1000 ha± %1000 ha± %
Western Juran/a..1.1581.158
crowded1.45041.0842.58
normal1.15844.6845.78
loose0.77113.61614.315
open0.77123.21223.911
scattered..6.1246.124
grouped crowded..1.1581.158
grouped normal0.41002.5382.935
heterogeneous0.410011.11711.417
total4.627144.22148.92
Eastern Juran/a......
crowded..16.91316.913
normal..22.11022.110
loose..5.9245.924
open..1.2571.257
scattered..0.8700.870
grouped crowded......
grouped normal......
heterogeneous......
total..47.0347.03
Western Plateaun/a..1.6491.649
crowded..18.91218.912
normal..17.11317.113
loose..4.1304.130
open..3.3343.334
scattered..1.2571.257
grouped crowded..0.41000.4100
grouped normal......
heterogeneous..0.41000.4100
total..47.2447.24
Central Plateaun/a..0.31000.3100
crowded..19.71119.711
normal..27.6827.68
loose..7.1207.120
open..9.7179.717
scattered..3.1313.131
grouped crowded......
grouped normal..0.31000.3100
heterogeneous..0.9570.957
total..68.7268.72
Eastern Plateaun/a..0.41000.4100
crowded..30.0930.09
normal..42.2742.27
loose..18.21318.213
open..13.91513.915
scattered..2.5372.537
grouped crowded..0.41000.4100
grouped normal..1.1581.158
heterogeneous..1.4501.450
total..110.12110.12
Western Pre-Alpsn/a0.7700.7701.549
crowded1.1579.31810.417
normal..9.6189.618
loose..3.7303.730
open0.41003.7314.029
scattered0.41005.6245.923
grouped crowded..2.6372.637
grouped normal0.41001.9442.240
heterogeneous..1.1571.157
total2.93538.1541.14
Central Pre-Alpsn/a..1.4501.450
crowded2.24018.61320.812
normal0.410023.71124.011
loose0.7716.1246.822
open1.45019.01220.412
scattered0.41004.3284.727
grouped crowded..2.5372.537
grouped normal0.7712.9353.631
heterogeneous1.1589.31910.418
total6.82287.8394.72
Eastern Pre-Alpsn/a..1.8441.844
crowded1.15720.71121.811
normal0.77122.11122.911
loose1.1574.6275.724
open..5.7245.724
scattered..3.6313.631
grouped crowded..1.8441.844
grouped normal..4.6274.627
heterogeneous..1.1571.157
total2.93566.1368.93
Northwestern Alpsn/a0.7710.7711.450
crowded2.93514.01516.813
normal2.9358.91911.816
loose0.41003.9294.328
open1.4504.3285.724
scattered0.41003.9304.328
grouped crowded0.7713.2333.929
grouped normal1.1572.5373.631
heterogeneous..2.9352.935
total10.41744.3654.74
Central Alpsn/a......
crowded0.31006.2226.621
normal2.1403.8295.822
loose1.0571.1582.140
open0.31002.1402.437
scattered0.7701.0571.744
grouped crowded..1.0571.057
grouped normal0.31001.1581.450
heterogeneous..1.0571.057
total4.82517.31122.18
Northeastern Alpsn/a..0.7710.771
crowded2.1406.4228.618
normal1.4494.3275.723
loose0.41001.4491.844
open0.41002.9343.232
scattered0.41003.2323.630
grouped crowded0.7702.9343.630
grouped normal0.7700.7701.449
heterogeneous......
total6.12222.6928.76
Southwestern Alpsn/a0.7711.7442.438
crowded5.12516.51421.612
normal3.4319.91813.415
loose3.4314.5277.920
open4.82614.11518.913
scattered1.7448.91910.617
grouped crowded0.31002.7353.133
grouped normal0.7712.1412.735
heterogeneous4.1288.91913.015
total24.41169.3593.73
Southeastern Alpsn/a0.7713.2333.930
crowded2.1419.51911.617
normal2.83513.71516.514
loose2.14111.21713.416
open2.83526.01128.810
scattered1.15817.21418.213
grouped crowded1.1586.3237.321
grouped normal2.53812.01714.415
heterogeneous0.41004.6274.926
total15.514103.63119.03
Southern Alpsn/a..1.4501.450
crowded1.84542.9844.68
normal2.53821.21223.711
loose1.1585.3256.423
open3.23312.41615.614
scattered0.7717.7218.420
grouped crowded..7.4217.421
grouped normal1.8456.4238.120
heterogeneous1.4502.1413.531
total12.416106.94119.33
Switzerlandn/a2.93515.11517.914
crowded20.113270.63290.73
normal17.214270.93288.13
loose10.81890.96101.76
open15.415141.45156.84
scattered5.62569.2774.87
grouped crowded2.83532.31035.110
grouped normal8.52037.9946.49
heterogeneous7.32244.9952.28
total90.86973.211063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163426/149806
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