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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 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/ha16.91027.5713.81225.196.41789.74
101-200 stems/ha23.0934.9710.91423.394.12296.24
201-300 stems/ha26.0836.8717.31119.3104.820104.14
301-400 stems/ha29.7830.4717.81019.3104.022101.14
401-500 stems/ha19.01024.0912.51218.5102.23076.25
501-600 stems/ha16.51019.698.41510.9132.82758.36
more than 600 stems/ha28.4832.0724.3926.387.716118.74
total159.42205.21105.13142.5332.07644.31
inside perimeter0-100 stems/ha0.21000.0.0.21002.4291.0453.823
101-200 stems/ha0.6580.21000.21002.0321.6354.621
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/ha0.0.0.0.0.21003.2251.0454.421
501-600 stems/ha0.8500.0.0.21002.7270.8504.621
more than 600 stems/ha1.2410.0.0.4714.7203.4249.614
total3.7230.21001.63520.9910.81337.37
outside perimeter0-100 stems/ha1.2411.4388.81519.01012.01242.57
101-200 stems/ha4.5214.02212.31326.3813.71260.96
201-300 stems/ha5.5194.82015.51135.4714.31175.55
301-400 stems/ha4.4212.52818.11031.7816.31173.05
401-500 stems/ha6.5172.92614.71124.6915.21163.95
501-600 stems/ha3.8231.24114.71118.2107.81645.66
more than 600 stems/ha8.1153.52324.2952.0627.98115.84
total34.0720.39108.33207.32107.13477.11
total0-100 stems/ha18.31028.9722.9946.5619.410136.04
101-200 stems/ha28.1839.1623.4951.6619.410161.63
201-300 stems/ha32.1741.5633.2758.2520.49185.53
301-400 stems/ha34.4732.9735.9753.4621.99178.53
401-500 stems/ha25.5826.9827.4846.2618.410144.43
501-600 stems/ha21.0920.8923.3931.9811.413108.54
more than 600 stems/ha37.6635.6748.9683.0439.06244.23
total197.11225.71215.11370.81150.021158.71
© WSL, Swiss National Forest Inventory, 18.06.2020 #861640/327971
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