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NFI4
forest area
rockfall SilvaProtect · basal area (standing live trees)
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 SilvaProtectbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/ato 19 m2/ha40.9669.6431.7764.4517.410224.03
20-39 m2/ha76.2482.6432.2743.3610.414244.72
40-59 m2/ha34.8742.2625.8824.193.225130.24
from 60 m2/ha7.61610.81315.41110.8131.04545.56
total159.42205.21105.13142.5332.07644.31
inside perimeterto 19 m2/ha0.8500.21000.21006.9173.42411.513
20-39 m2/ha1.9310.0.0.8506.7174.62114.012
40-59 m2/ha0.8500.0.0.6584.7202.0318.116
from 60 m2/ha0.21000.0.0.0.2.7270.8503.723
total3.7230.21001.63520.9910.81337.37
outside perimeterto 19 m2/ha5.5196.11823.2954.5634.97124.24
20-39 m2/ha17.3108.31539.1785.4444.56194.53
40-59 m2/ha10.0144.42131.8746.9621.59114.64
from 60 m2/ha1.2411.63514.21120.596.31743.86
total34.0720.39108.33207.32107.13477.11
totalto 19 m2/ha47.2575.9455.15125.8355.75359.72
20-39 m2/ha95.4390.9472.14135.3359.55453.22
40-59 m2/ha45.6646.6658.2575.7426.78252.82
from 60 m2/ha8.91512.41229.6734.078.11593.04
total197.11225.71215.11370.81150.021158.71
© WSL, Swiss National Forest Inventory, 18.06.2020 #861358/327689
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