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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 NFI1/NFI2/NFI3/NFI4
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/ha37.0666.7423.0935.378.315170.23
101-200 stems/ha43.4657.1528.4827.484.421160.73
201-300 stems/ha40.7642.9619.01021.393.424127.34
301-400 stems/ha18.81022.8912.71214.3112.23070.85
401-500 stems/ha7.8167.9156.5186.7171.43830.18
501- 600 stems/ha3.4241.0453.7232.2300.210010.514
more than 600 stems/ha2.1302.7273.5232.1300.210010.713
total153.22201.0196.84109.3420.19580.41
inside perimeter0-100 stems/ha1.0450.21000.21004.6213.2259.315
101-200 stems/ha0.6580.0.0.4714.3213.1258.415
201-300 stems/ha1.0450.0.0.4714.9202.2308.515
301-400 stems/ha0.6580.0.0.6581.8330.6583.524
401-500 stems/ha0.21000.0.0.0.1.9310.4712.528
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
total3.7230.21001.63519.1109.61434.37
outside perimeter0-100 stems/ha5.7184.52119.71047.5624.38101.84
101-200 stems/ha8.0157.31629.6852.9628.18125.94
201-300 stems/ha10.9134.42124.3843.7620.59103.84
301-400 stems/ha5.6191.83314.61125.1810.31357.36
401-500 stems/ha1.6351.0459.91412.0136.21830.78
501- 600 stems/ha1.1411.4384.4216.0182.23015.111
more than 600 stems/ha0.6580.0.2.4293.5231.8338.315
total33.6720.39104.93190.7293.33442.82
total0-100 stems/ha43.7671.4442.9687.5435.87281.32
101-200 stems/ha52.0564.4558.4584.6435.67295.02
201-300 stems/ha52.6547.3643.8669.9526.18239.63
301-400 stems/ha24.9824.6827.9841.2613.012131.64
401-500 stems/ha9.6148.81516.31120.698.01563.35
501- 600 stems/ha4.8202.4298.1169.4142.52727.28
more than 600 stems/ha2.9262.7275.8186.1182.03219.610
total190.51221.51203.31319.11123.121057.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #861720/328051
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