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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 36cm, classified) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 36cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha1.8450.7716.0245.8240.7718.52023.612
101-200 stems/ha1.450..4.6282.1411.4501.84511.318
201-300 stems/ha....2.141......2.141
301-400 stems/ha....0.7710.3100....1.158
401-500 stems/ha..............
501- 600 stems/ha..............
more than 600 stems/ha..............
total3.2330.77113.5168.2202.14110.31838.19
outside perimeter0-100 stems/ha95.15143.63152.5447.3752.5677.25568.22
101-200 stems/ha72.8683.8596.1522.21132.5927.011334.53
201-300 stems/ha16.21421.91242.295.8248.1207.122101.46
301-400 stems/ha1.4503.5317.8210.7711.4500.77115.615
401-500 stems/ha0.4100..2.538......2.835
501- 600 stems/ha..............
more than 600 stems/ha..0.4100..0.3100....0.771
total185.92253.21301.1276.4494.63112.131023.21
total0-100 stems/ha96.94144.33158.6453.1653.2685.85591.82
101-200 stems/ha74.2683.85100.7524.31133.9928.810345.83
201-300 stems/ha16.21421.91244.385.8248.1207.122103.56
301-400 stems/ha1.4503.5318.5201.0581.4500.77116.614
401-500 stems/ha0.4100..2.538......2.835
501- 600 stems/ha..............
more than 600 stems/ha..0.4100..0.3100....0.771
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #163588/149968
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