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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 36cm, classified) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedstem count/ha (DBH >= 36cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha55.516.6100.0.44.78.170.99.333.319.382.67.062.04.7
101-200 stems/ha44.516.6..34.27.724.98.866.719.317.47.129.74.4
201-300 stems/ha....15.85.9......5.62.2
301-400 stems/ha....5.33.64.24.1....2.81.6
401-500 stems/ha..............
501- 600 stems/ha..............
more than 600 stems/ha..............
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha51.22.256.71.950.71.761.93.355.53.068.92.655.50.9
101-200 stems/ha39.22.233.11.831.91.629.13.034.42.924.12.432.70.9
201-300 stems/ha8.71.28.71.114.01.27.61.88.61.76.41.49.90.6
301-400 stems/ha0.80.41.40.42.60.50.90.61.50.70.60.41.50.2
401-500 stems/ha0.20.2..0.80.3......0.30.1
501- 600 stems/ha..............
more than 600 stems/ha..0.10.1..0.40.4....0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha51.22.256.81.850.41.762.83.155.13.070.12.555.80.9
101-200 stems/ha39.22.133.01.832.01.628.72.935.12.923.52.332.60.9
201-300 stems/ha8.61.28.61.014.11.26.91.68.41.75.81.39.80.5
301-400 stems/ha0.80.41.40.42.70.51.20.71.50.70.60.41.60.2
401-500 stems/ha0.20.2..0.80.3......0.30.1
501- 600 stems/ha..............
more than 600 stems/ha..0.10.1..0.40.4....0.10.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #163587/149967
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