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NFI4
forest area
rockfall SilvaProtect · stem count/ha (DBH >= 12cm, 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 >= 12cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0-100 stems/ha15.61126.5711.61313.1122.23069.05
101-200 stems/ha21.7934.179.71418.2102.42986.15
201-300 stems/ha24.9836.6716.11114.8112.62895.04
301-400 stems/ha29.5830.0817.21016.5113.02696.14
401-500 stems/ha18.61023.4911.71314.6111.43869.85
501-600 stems/ha16.31119.2107.4169.5142.03254.46
more than 600 stems/ha26.5831.3723.1922.596.617110.04
total153.22201.0196.84109.3420.19580.41
inside perimeter0-100 stems/ha0.21000.0.0.21001.6350.6582.628
101-200 stems/ha0.6580.21000.21001.8331.2414.022
201-300 stems/ha0.6580.0.0.4713.5231.4385.918
301-400 stems/ha0.4710.0.0.0.2.4291.6354.421
401-500 stems/ha0.0.0.0.0.21002.8271.0454.022
501-600 stems/ha0.8500.0.0.21002.5280.6584.222
more than 600 stems/ha1.2410.0.0.4714.5213.2259.214
total3.7230.21001.63519.1109.61434.37
outside perimeter0-100 stems/ha1.2411.4388.41516.6119.41437.07
101-200 stems/ha4.3214.02212.11323.7910.41354.56
201-300 stems/ha5.5194.82015.31133.0711.61370.15
301-400 stems/ha4.4212.52817.61029.8814.91169.25
401-500 stems/ha6.5172.92614.31122.6913.61159.96
501-600 stems/ha3.6231.24114.31116.4117.21642.77
more than 600 stems/ha8.1153.52322.9948.6626.28109.34
total33.6720.39104.93190.7293.33442.82
total0-100 stems/ha17.11027.9720.2931.3812.212108.64
101-200 stems/ha26.7838.3722.0943.8613.911144.73
201-300 stems/ha31.1741.3631.8751.4615.611171.13
301-400 stems/ha34.2732.5734.9748.6619.510169.73
401-500 stems/ha25.1826.3826.2840.0716.010133.74
501-600 stems/ha20.6920.4921.9928.589.914101.24
more than 600 stems/ha35.8734.8746.4675.6536.06228.53
total190.51221.51203.31319.11123.121057.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #861638/327969
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