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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 NFI1/NFI2/NFI3/NFI4 combined
grid:
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/ha1.1580.41001.0584.1290.7716.42313.716
20-39 m2/ha1.4503.2332.1412.7350.7713.23313.416
40-59 m2/ha1.1582.2413.4311.0580.7710.41008.820
from 60 m2/ha..0.41001.0580.3100..0.41002.141
total3.6326.1247.6218.2202.14110.31837.99
outside perimeterto 19 m2/ha112.0549.0829.01030.9938.2852.07311.13
20-39 m2/ha196.7374.3640.7837.0851.7742.18442.52
40-59 m2/ha97.3546.2826.31015.11421.41212.017218.34
from 60 m2/ha12.51714.81513.1152.4385.6252.83551.38
total418.51184.32109.1385.44116.93109.041023.21
totalto 19 m2/ha113.0549.4830.01035.0938.9858.46324.83
20-39 m2/ha198.2377.5642.8839.8852.4745.38455.92
40-59 m2/ha98.4548.3829.71016.11422.11212.416227.14
from 60 m2/ha12.51715.11514.1152.8355.6253.23353.48
total422.11190.42116.7393.73119.03119.331061.21

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #155019/141398
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