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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 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
crowded1.45041.4842.88
normal1.15845.3846.47
loose0.77113.91514.615
open0.77123.91124.611
scattered..7.5217.521
grouped crowded..1.1581.158
grouped normal0.41002.9353.333
heterogeneous0.410011.11711.417
total4.627148.22152.82
Eastern Juran/a......
crowded..17.31217.312
normal..22.91022.910
loose..5.9245.924
open..1.2571.257
scattered..0.8700.870
grouped crowded......
grouped normal......
heterogeneous......
total..48.2248.22
Western Plateaun/a..1.6491.649
crowded..18.91218.912
normal..17.51317.513
loose..4.1304.130
open..3.7323.732
scattered..1.6491.649
grouped crowded..0.41000.4100
grouped normal......
heterogeneous..0.41000.4100
total..48.4348.43
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..30.4930.49
normal..42.5742.57
loose..18.61318.613
open..14.31514.315
scattered..2.9352.935
grouped crowded..0.41000.4100
grouped normal..1.1581.158
heterogeneous..1.4501.450
total..111.92111.92
Western Pre-Alpsn/a0.7700.7701.549
crowded1.1579.61810.717
normal..9.6189.618
loose..3.7303.730
open0.41004.1294.428
scattered0.41005.6245.923
grouped crowded0.41004.8275.226
grouped normal0.41002.2402.637
heterogeneous..1.1571.157
total3.33341.4444.84
Central Pre-Alpsn/a..1.4501.450
crowded2.24019.41221.512
normal0.410023.71124.011
loose0.7716.1246.822
open1.45019.41220.812
scattered0.41005.4255.724
grouped crowded..2.9352.935
grouped normal0.7713.2333.930
heterogeneous1.1589.31910.418
total6.82290.7397.52
Eastern Pre-Alpsn/a..1.8441.844
crowded1.15721.81122.911
normal0.77122.11122.911
loose1.1575.0266.123
open..6.4236.423
scattered..3.9293.929
grouped crowded..2.9352.935
grouped normal..5.7245.724
heterogeneous..1.1571.157
total2.93570.7373.63
Northwestern Alpsn/a0.7710.7711.450
crowded2.93515.41418.212
normal2.93510.01812.915
loose0.41004.3284.627
open1.4505.0266.423
scattered0.41004.3284.727
grouped crowded1.1573.9305.026
grouped normal1.1573.6314.727
heterogeneous..3.6313.631
total10.71750.8561.54
Central Alpsn/a......
crowded0.31006.6216.920
normal2.1403.8295.822
loose1.4491.1582.437
open0.31002.4372.734
scattered0.7701.8442.537
grouped crowded..3.1323.132
grouped normal0.31001.8442.140
heterogeneous..1.4491.449
total5.22421.8927.07
Northeastern Alpsn/a..0.7710.771
crowded2.1406.8219.018
normal1.4494.7266.122
loose0.41001.8442.140
open0.7714.3275.025
scattered0.41003.2323.630
grouped crowded0.7702.9343.630
grouped normal0.7701.1571.844
heterogeneous......
total6.42225.4831.96
Southwestern Alpsn/a0.7712.1412.835
crowded5.12519.51224.711
normal3.83012.01615.814
loose3.8305.2259.019
open4.82615.11419.912
scattered1.74414.71416.514
grouped crowded0.31004.1284.527
grouped normal0.7712.4373.133
heterogeneous4.1288.91913.015
total25.01184.14109.13
Southeastern Alpsn/a0.7713.5314.228
crowded2.83511.31714.115
normal2.83514.41517.214
loose2.14113.01615.115
open3.23327.71030.910
scattered1.84520.01221.712
grouped crowded1.15811.11712.116
grouped normal2.83516.51419.313
heterogeneous0.41005.6256.024
total17.613123.13140.62
Southern Alpsn/a..1.8451.845
crowded2.14146.4748.57
normal2.53823.71126.211
loose1.4506.7228.120
open3.23314.91518.113
scattered0.77117.01417.713
grouped crowded0.410010.51810.917
grouped normal2.1418.52010.618
heterogeneous1.4502.5383.930
total13.815131.93145.72
Switzerlandn/a2.93516.11519.014
crowded21.213284.43305.63
normal17.614279.83297.43
loose11.91796.66108.45
open16.115152.15168.24
scattered6.32391.8698.16
grouped crowded3.93048.0851.98
grouped normal9.22049.2858.48
heterogeneous7.32247.3854.78
total96.461065.311161.71

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164780/151162
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