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NFI4
forest area
rockfall SilvaProtect · basal area (standing live trees)
unit of reference: production region
unit: %
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 SilvaProtectbasal area (standing live trees) %± %± %± %± %± %±
n/ato 19 m2/ha25.31.433.61.227.92.035.12.039.14.830.90.8
20-39 m2/ha48.11.840.41.532.22.135.42.043.04.940.20.9
40-59 m2/ha22.21.520.81.225.51.920.31.715.03.621.60.7
from 60 m2/ha4.40.75.20.714.41.69.31.23.01.77.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterto 19 m2/ha21.89.6100.0.13.012.129.54.625.26.327.13.4
20-39 m2/ha51.711.40.0.48.717.732.84.845.87.239.13.7
40-59 m2/ha21.19.40.0.38.317.223.44.321.15.923.13.2
from 60 m2/ha5.45.20.0.0.0.14.33.57.93.810.82.3
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterto 19 m2/ha15.92.829.84.520.71.724.41.326.52.023.50.9
20-39 m2/ha51.53.840.84.836.72.141.41.644.72.341.71.0
40-59 m2/ha29.23.521.54.129.92.023.91.322.01.925.20.9
from 60 m2/ha3.41.47.92.712.71.410.31.06.81.29.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.
totalto 19 m2/ha23.61.233.31.224.11.228.31.028.41.727.70.5
20-39 m2/ha48.81.640.41.434.71.538.81.244.52.040.80.7
40-59 m2/ha23.41.320.91.227.91.322.61.020.81.623.20.6
from 60 m2/ha4.30.75.40.713.41.010.20.76.31.08.30.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #861331/327662
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