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NFI1

forest area: rockfall SilvaProtect, modelled and assigned · basal area (standing live trees) · protection forest region
unit: %
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) %± %± %± %± %± %± %±
inside perimeterto 19 m2/ha30.014.55.95.713.67.350.110.233.319.362.09.036.14.6
20-39 m2/ha39.915.552.912.127.39.533.29.633.319.331.18.635.34.6
40-59 m2/ha30.114.535.311.645.510.612.56.733.319.33.43.423.14.0
from 60 m2/ha..5.95.713.67.34.24.1..3.43.45.52.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterto 19 m2/ha26.81.326.62.026.62.536.23.032.72.647.72.830.40.9
20-39 m2/ha47.01.540.32.237.32.743.33.144.22.738.62.843.20.9
40-59 m2/ha23.21.225.01.924.12.417.72.418.32.111.01.821.30.8
from 60 m2/ha3.00.58.01.212.01.82.81.14.81.22.60.95.00.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalto 19 m2/ha26.81.325.91.925.72.437.42.932.72.549.02.730.60.8
20-39 m2/ha46.91.540.72.136.72.642.43.044.02.738.02.643.00.9
40-59 m2/ha23.31.225.41.925.52.417.22.318.62.110.41.721.40.7
from 60 m2/ha3.00.58.01.212.11.82.91.04.71.22.70.95.00.4
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, 04.11.2014 #155146/141525
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