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NFI4
forest area
rockfall SilvaProtect · crown closure
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regioncrown closure1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juran/a0.6580.0.0.0.0.658
crowded31.371.7339.81442.86
normal31.871.3388.61541.76
loose12.6120.0.4.12216.610
open20.890.21003.62324.68
scattered8.0150.0.0.4718.415
grouped crowded2.6270.0.0.0.2.627
grouped normal2.5290.21000.4713.026
heterogeneous8.4150.0.1.5359.914
total118.623.42328.47150.51
Eastern Juran/a0.0.0.0.0.0.0.0.
crowded17.390.31001.43719.08
normal16.290.0.2.42818.68
loose5.2190.0.0.4715.618
open1.9330.0.0.6582.529
scattered0.6570.0.0.21000.849
grouped crowded0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.
total41.230.31005.11946.62
Western Plateaun/a1.4350.0.0.0.1.435
crowded16.990.0.1.63518.68
normal13.7110.0.1.93315.610
loose3.8220.0.0.4714.221
open5.5180.0.0.8506.317
scattered1.2400.0.0.21001.438
grouped crowded0.4710.0.0.0.0.471
grouped normal0.6570.0.0.0.0.657
heterogeneous0.6570.0.0.0.0.657
total44.130.0.5.01949.12
Central Plateaun/a0.21000.21000.4710.850
crowded18.290.0.2.92521.18
normal22.480.0.2.42724.87
loose6.6170.0.0.8497.316
open7.6150.0.1.3378.914
scattered2.6270.0.0.4713.026
grouped crowded0.4710.0.0.21000.757
grouped normal0.21000.0.0.0.0.2100
heterogeneous1.5350.0.0.8502.328
total59.730.21009.21369.11
Eastern Plateaun/a1.0450.0.0.0.1.045
crowded31.070.0.2.52833.66
normal36.360.0.2.13038.56
loose15.9100.0.0.65816.510
open12.4120.0.0.65813.012
scattered2.4290.0.0.0.2.429
grouped crowded0.4710.0.0.0.0.471
grouped normal1.1410.0.0.0.1.141
heterogeneous0.9450.0.0.21001.141
total101.610.0.6.018107.61
Western Pre-Alpsn/a0.7580.0.1.4412.133
crowded3.9210.0.6.21610.012
normal4.1210.0.4.7198.813
loose1.4380.0.2.2293.622
open1.2400.0.3.3254.521
scattered2.5300.0.2.6295.120
grouped crowded2.5300.0.3.1265.619
grouped normal1.0460.0.1.4412.430
heterogeneous0.31000.21000.8501.241
total17.690.210025.6743.33
Central Pre-Alpsn/a1.7330.0.0.7492.527
crowded11.3130.47113.01224.88
normal12.6120.0.9.21421.89
loose3.1260.21005.6198.815
open7.7160.21009.11417.010
scattered3.2240.0.2.4275.718
grouped crowded3.0250.0.0.6583.622
grouped normal3.2240.0.0.7504.021
heterogeneous5.4190.0.5.91811.313
total51.250.85047.4599.42
Eastern Pre-Alpsn/a0.6580.0.1.0451.635
crowded10.8130.0.13.11123.88
normal10.4130.6588.51419.69
loose2.8270.0.4.1216.916
open4.7200.0.2.5297.116
scattered2.9260.0.1.7354.621
grouped crowded1.2410.0.2.0313.225
grouped normal2.4290.0.2.1314.520
heterogeneous0.4710.0.0.6581.145
total36.160.65835.6672.32
Northwestern Alpsn/a0.0.0.0.1.4371.437
crowded5.0201.8339.91316.810
normal3.3240.8507.71511.712
loose2.6270.0.1.6354.221
open2.4290.0.3.7236.217
scattered3.7230.0.1.0444.820
grouped crowded2.7270.4713.1256.218
grouped normal2.1310.21001.3413.624
heterogeneous1.9330.21002.0314.122
total23.783.52431.7658.93
Central Alpsn/a0.0.0.0.0.0.0.0.
crowded2.3280.6583.4236.315
normal1.7321.3372.3285.416
loose0.6580.4710.8491.732
open1.6340.21001.2413.025
scattered1.4370.4700.6572.428
grouped crowded1.8330.21000.6572.527
grouped normal1.4370.0.0.8502.229
heterogeneous1.4370.21000.4712.031
total12.1113.3249.91125.44
Northeastern Alpsn/a0.0.0.0.0.6580.658
crowded1.5351.5354.5207.415
normal1.4380.6594.4206.416
loose1.0450.31000.8512.032
open1.0450.3701.9313.224
scattered1.3370.31002.4274.021
grouped crowded1.6350.21001.6353.324
grouped normal1.5350.21000.9442.626
heterogeneous0.21000.0.0.0.0.2100
total9.5133.32417.0829.85
Southwestern Alpsn/a1.2410.21001.6353.126
crowded5.4191.93113.51120.89
normal2.8270.55811.21214.511
loose2.4290.8506.8169.913
open5.7181.63516.21023.58
scattered10.3140.8509.91421.09
grouped crowded2.1300.21002.6284.920
grouped normal1.6350.0.2.9264.521
heterogeneous2.8271.0457.81511.612
total34.377.01672.53113.82
Southeastern Alpsn/a1.0450.21002.5293.723
crowded6.1180.0.7.71513.811
normal7.8161.7339.91419.49
loose8.1150.4718.71517.310
open11.4130.47114.91126.78
scattered9.9140.47111.11321.59
grouped crowded8.4150.21006.81715.411
grouped normal8.0160.21009.21417.410
heterogeneous2.7270.21004.7207.616
total63.553.82375.64142.82
Southern Alpsn/a0.21000.0.1.4381.635
crowded7.0174.32133.9745.35
normal5.4192.92621.3929.77
loose0.8500.4717.5168.715
open4.1220.65813.01217.710
scattered8.2151.0459.11418.310
grouped crowded2.9260.8509.71413.412
grouped normal2.2300.6587.61610.313
heterogeneous1.2410.21003.8235.119
total32.0710.813107.13150.02
Switzerlandn/a8.7150.75811.01420.310
crowded168.1312.512123.44304.02
normal169.939.81496.64276.42
loose66.752.42944.37113.44
open88.053.52472.75164.23
scattered58.262.92742.27103.34
grouped crowded30.182.03230.3862.36
grouped normal27.881.43827.3856.46
heterogeneous27.781.93228.6858.26
total645.2137.17476.311158.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #860218/326549
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