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NFI4b

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 NFI3/NFI4 combined
grid:
state 2009/13
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/ha1.1581.1582.4383.8301.4503.53113.316
20-39 m2/ha2.1412.9351.0582.4370.7715.32514.515
40-59 m2/ha0.41001.8452.8351.7440.7712.1419.519
from 60 m2/ha..0.7711.7440.31000.41000.41003.532
total3.6326.5237.9208.2203.23311.41740.89
outside perimeterto 19 m2/ha117.0553.7727.71139.5846.8851.67336.33
20-39 m2/ha192.8368.9640.1834.6951.6752.07440.02
40-59 m2/ha95.1552.7734.5919.51230.61024.111256.63
from 60 m2/ha21.51322.01219.4137.2218.4206.72285.26
total426.41197.32121.73100.93137.52134.431118.11
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 #164986/151368
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