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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · basal area (standing live trees) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedbasal area (standing live trees) %± %± %± %± %± %± %±
inside perimeterto 19 m2/ha30.014.516.78.830.49.646.010.244.416.631.28.232.64.4
20-39 m2/ha59.915.544.411.713.07.029.19.322.213.946.88.835.54.4
40-59 m2/ha10.19.627.810.634.89.920.88.322.213.918.96.923.33.9
from 60 m2/ha..11.17.421.78.64.24.111.110.53.13.18.62.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterto 19 m2/ha27.41.327.21.922.82.339.12.934.12.438.42.530.10.8
20-39 m2/ha45.21.434.92.032.92.534.32.837.52.438.72.539.40.9
40-59 m2/ha22.31.226.71.928.42.419.42.322.32.117.92.022.90.7
from 60 m2/ha5.00.611.21.315.92.07.21.56.11.25.01.17.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 19 m2/ha27.51.326.91.923.32.239.62.734.32.437.82.430.20.8
20-39 m2/ha45.31.435.22.031.72.433.92.737.22.439.32.439.20.9
40-59 m2/ha22.21.226.71.928.82.319.52.222.32.118.01.923.00.7
from 60 m2/ha5.00.611.21.316.31.96.91.46.21.24.91.17.70.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164852/151234
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