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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · basal area (standing live trees) · protection forest region
unit: 1000 ha
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
avalanches 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/ha..5.8252.8354.1294.2282.53819.413
20-39 m2/ha2.1417.6213.13310.3189.1196.72239.09
40-59 m2/ha2.5386.1244.5276.9223.5313.23326.711
from 60 m2/ha..1.4503.8303.8300.7711.45011.118
total4.72820.91314.21525.01117.61313.81596.26
outside perimeterto 19 m2/ha118.0549.0827.41139.1844.0852.77330.33
20-39 m2/ha192.8364.2638.0826.81043.2850.57415.52
40-59 m2/ha93.0648.3832.8914.41527.81023.012239.33
from 60 m2/ha21.51321.31317.3133.8308.1205.72577.67
total425.31182.82115.5384.14123.13131.931062.71
totalto 19 m2/ha118.0554.8730.21043.3748.2755.17349.63
20-39 m2/ha195.0371.8641.1837.0852.3757.36454.52
40-59 m2/ha95.5554.5737.3821.31231.31026.211266.03
from 60 m2/ha21.51322.71221.1127.6218.8197.12288.76
total430.01203.82129.72109.13140.62145.721158.91

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164796/151178
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