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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified) %± %± %± %± %± %±
inside perimeter0-100 stems/ha33.415.7100.0.12.511.730.45.743.78.833.74.4
101-200 stems/ha....25.015.321.25.025.17.720.73.8
201-300 stems/ha44.416.6..25.015.325.75.418.76.925.04.0
301-400 stems/ha22.213.9..37.517.14.52.69.45.29.62.8
401-500 stems/ha......9.13.53.13.16.02.2
501- 600 stems/ha......6.12.9..3.41.7
more than 600 stems/ha......3.02.1..1.71.2
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha22.41.830.41.819.61.633.51.537.62.528.70.8
101-200 stems/ha28.61.929.81.827.91.826.31.424.32.227.50.8
201-300 stems/ha26.81.921.01.622.21.719.11.217.62.021.30.7
301-400 stems/ha12.61.412.61.313.41.411.51.011.61.612.30.6
401-500 stems/ha5.71.03.70.78.81.25.80.76.11.26.00.4
501- 600 stems/ha2.60.71.20.44.40.82.20.51.60.62.40.3
more than 600 stems/ha1.30.51.20.43.70.81.60.41.30.61.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha22.51.830.51.819.51.633.31.438.12.428.90.8
101-200 stems/ha28.21.929.81.827.91.826.01.324.32.127.20.8
201-300 stems/ha27.11.921.01.622.21.719.51.217.71.921.40.7
301-400 stems/ha12.71.412.61.313.71.411.01.011.41.612.20.6
401-500 stems/ha5.61.03.70.78.71.26.00.75.81.26.00.4
501- 600 stems/ha2.50.71.20.44.30.82.50.51.50.62.50.3
more than 600 stems/ha1.30.51.20.43.70.81.70.41.20.51.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 07.11.2014 #165063/151445
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