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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
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/ha55.516.6100.0.47.67.770.99.350.115.885.26.164.44.3
101-200 stems/ha44.516.6..33.37.324.98.849.915.814.86.128.14.1
201-300 stems/ha....14.35.4......5.02.0
301-400 stems/ha....4.83.34.24.1....2.51.4
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/ha50.82.256.81.853.51.667.72.861.82.675.12.158.50.9
101-200 stems/ha39.42.133.11.729.71.524.62.629.32.519.52.030.30.8
201-300 stems/ha8.61.28.61.013.31.16.61.57.71.54.91.19.30.5
301-400 stems/ha0.90.41.40.42.50.50.70.51.20.60.50.31.40.2
401-500 stems/ha0.20.2..0.90.3......0.30.1
501- 600 stems/ha..............
more than 600 stems/ha..0.10.10.10.10.40.4....0.10.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha50.92.156.91.853.31.668.02.761.52.675.92.058.80.8
101-200 stems/ha39.52.133.01.729.91.424.62.529.92.519.11.930.30.8
201-300 stems/ha8.51.28.61.013.31.16.11.47.51.44.51.09.10.5
301-400 stems/ha0.90.41.40.42.60.51.00.61.10.60.50.31.50.2
401-500 stems/ha0.20.2..0.90.3......0.30.1
501- 600 stems/ha..............
more than 600 stems/ha..0.10.10.10.10.30.3....0.10.1
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 #162191/148570
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