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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 12cm, 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
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 12cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha....2.8351.4501.1581.4506.723
101-200 stems/ha....5.0271.0581.4502.93510.318
201-300 stems/ha0.771..6.4235.8243.2331.45017.514
301-400 stems/ha0.771..4.3293.8301.8442.53813.016
401-500 stems/ha0.771..6.4234.4271.4500.77113.716
501-600 stems/ha0.771..2.8351.0582.1411.4508.121
more than 600 stems/ha1.845..9.2195.5242.1412.83521.513
total4.727..36.9922.91113.11613.21690.86
outside perimeter0-100 stems/ha15.51525.81125.8117.5218.81911.11794.56
101-200 stems/ha26.71140.7933.7108.91913.41611.017134.45
201-300 stems/ha27.71146.3845.189.91814.51512.816156.34
301-400 stems/ha33.51044.9846.486.22310.61716.014157.64
401-500 stems/ha23.81232.21032.6108.22010.91713.915121.65
501-600 stems/ha20.51324.11227.7114.8267.42111.11795.56
more than 600 stems/ha36.7940.0966.3716.11418.01333.49210.64
total184.52253.91277.7261.6583.64109.24970.61
total0-100 stems/ha15.51525.81128.7118.9199.91812.516101.26
101-200 stems/ha26.71140.7938.7910.01814.81513.915144.75
201-300 stems/ha28.51046.3851.5815.71417.71314.215173.94
301-400 stems/ha34.2944.9850.789.91812.41618.513170.64
401-500 stems/ha24.51132.21039.0912.71612.31614.615135.35
501-600 stems/ha21.31224.11230.5105.8249.51912.516103.76
more than 600 stems/ha38.5940.0975.6621.61120.11236.39232.04
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #163408/149788
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