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NFI4
forest area
rockfall SilvaProtect · stem count/ha (DBH >= 24cm, classified)
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0-100 stems/ha40.3669.5431.3774.1521.29236.32
101-200 stems/ha46.0658.9530.4833.477.416176.13
201-300 stems/ha42.1643.8620.7924.194.621135.33
301-400 stems/ha19.61023.2914.11115.3112.42974.65
401-500 stems/ha8.0158.1156.5187.3161.43831.28
501- 600 stems/ha3.6231.0454.1222.4290.210011.313
more than 600 stems/ha2.5282.7274.3212.5280.47112.512
total162.22207.21111.33159.0337.57677.21
inside perimeter0-100 stems/ha1.0450.21000.21007.1173.82312.313
101-200 stems/ha0.6580.0.0.4714.7203.7239.414
201-300 stems/ha1.0450.0.0.4715.1192.2308.715
301-400 stems/ha0.6580.0.0.6581.8330.8503.723
401-500 stems/ha0.21000.0.0.0.2.1300.4712.727
501- 600 stems/ha0.21000.0.0.0.1.2410.21001.635
more than 600 stems/ha0.21000.0.0.0.0.4710.0.0.658
total3.7230.21001.63522.3911.01338.97
outside perimeter0-100 stems/ha5.9184.52122.3956.8534.87124.34
101-200 stems/ha8.2157.51629.8859.1531.37135.94
201-300 stems/ha11.1134.42125.0846.9622.69109.94
301-400 stems/ha5.6191.83314.61126.4810.71359.06
401-500 stems/ha1.6351.04510.81313.2126.41733.08
501- 600 stems/ha1.1411.4384.5216.4172.23015.711
more than 600 stems/ha0.6580.0.2.4293.5231.8338.315
total34.2720.59109.43212.32109.73486.11
total0-100 stems/ha47.2574.2453.85138.0359.85372.92
101-200 stems/ha54.8566.4560.6597.1442.36321.32
201-300 stems/ha54.2548.2646.0676.0529.47253.92
301-400 stems/ha25.8824.9829.3843.5613.811137.34
401-500 stems/ha9.8149.01417.31022.698.21566.95
501- 600 stems/ha5.0202.4298.71510.0142.52728.68
more than 600 stems/ha3.3242.7276.6176.5172.23021.39
total200.11227.91222.31393.71158.321202.21
© WSL, Swiss National Forest Inventory, 18.06.2020 #861718/328049
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