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NFI2
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
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectbasal area (standing live trees) %± %± %± %± %± %±
n/ato 19 m2/ha18.61.222.31.210.51.013.50.88.91.115.20.5
20-39 m2/ha42.81.639.01.519.11.213.00.85.20.924.10.6
40-59 m2/ha16.71.223.71.311.51.05.40.61.90.612.10.4
from 60 m2/ha2.40.55.60.76.60.82.30.40.30.23.60.3
total80.41.390.70.947.61.634.21.216.31.554.90.6
inside perimeterto 19 m2/ha0.40.20.0.0.20.11.70.34.10.81.10.1
20-39 m2/ha0.80.30.10.10.20.12.50.42.70.71.30.2
40-59 m2/ha0.70.30.0.0.30.21.20.30.60.30.60.1
from 60 m2/ha0.0.0.0.0.10.10.70.20.30.20.30.1
total1.90.40.10.10.80.36.00.67.81.13.20.2
outside perimeterto 19 m2/ha3.40.62.20.49.00.918.20.930.31.811.80.4
20-39 m2/ha10.01.04.50.621.01.323.81.132.81.917.80.5
40-59 m2/ha3.70.62.20.414.91.114.00.89.91.29.30.4
from 60 m2/ha0.50.20.40.26.70.83.80.52.70.72.90.2
total17.61.29.20.951.61.659.81.275.81.741.90.6
totalto 19 m2/ha22.41.324.51.219.71.233.41.143.41.928.10.6
20-39 m2/ha53.61.643.61.540.21.539.21.240.82.043.10.7
40-59 m2/ha21.11.325.91.326.71.420.61.012.51.322.00.6
from 60 m2/ha2.90.56.00.713.41.16.80.63.40.76.80.3
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 19.06.2020 #852572/318903
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