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NFI1

forest area: rockfall SilvaProtect, modelled and assigned · basal area (standing live trees) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest
grid: terrestrial grid NFI1
state 1983/85
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterto 19 m2/ha0.9330.8351.2292.6191.7245.31312.69
20-39 m2/ha1.7242.1222.4202.4201.1303.21812.99
40-59 m2/ha1.0321.2292.4201.0321.1300.9337.611
from 60 m2/ha0.11000.2710.7380.2710.2710.3581.724
total3.7164.3156.7126.3124.1159.71034.75
outside perimeterto 19 m2/ha115.4349.8430.7538.7443.3461.53339.32
20-39 m2/ha197.9273.2340.9437.0548.7444.64442.31
40-59 m2/ha92.5351.2430.4514.4824.9611.29224.52
from 60 m2/ha14.1815.9811.993.4176.9123.21855.34
total419.81190.11113.9293.52123.82120.421061.41
totalto 19 m2/ha116.3350.6431.9541.3445.0466.83351.91
20-39 m2/ha199.6275.3343.3439.4449.8447.74455.21
40-59 m2/ha93.5352.4432.8515.4826.0612.19232.12
from 60 m2/ha14.2816.1812.593.6167.1123.51757.04
total423.51194.41120.6299.72127.92130.121096.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155624/142003
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