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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 12cm, 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 >= 12cm, classified) %± %± %± %± %± %± %±
inside perimeter0-100 stems/ha..50.035.411.95.012.76.910.09.514.76.112.43.0
101-200 stems/ha11.110.5..7.14.04.24.140.115.511.95.610.82.8
201-300 stems/ha11.310.6..14.35.424.98.810.09.511.85.514.83.2
301-400 stems/ha22.213.9..9.54.516.67.6..11.85.511.52.9
401-500 stems/ha....19.06.18.35.610.09.55.94.010.72.8
501-600 stems/ha22.213.950.035.49.54.58.35.6..11.85.510.82.8
more than 600 stems/ha33.315.7..28.67.024.98.829.914.532.38.028.94.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-100 stems/ha8.61.210.31.112.11.017.42.314.41.915.91.812.30.6
101-200 stems/ha15.01.516.51.411.71.014.02.114.71.912.91.714.00.6
201-300 stems/ha14.81.518.11.415.91.216.52.318.62.111.71.616.00.6
301-400 stems/ha17.61.617.71.415.31.29.61.811.51.714.11.715.20.6
401-500 stems/ha13.11.512.61.212.01.014.32.113.31.811.51.612.60.6
501-600 stems/ha10.81.39.21.19.71.06.21.58.31.58.81.49.20.5
more than 600 stems/ha20.21.715.61.323.21.422.02.519.22.125.12.120.80.7
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-100 stems/ha8.51.210.41.112.11.017.02.214.31.915.81.712.30.6
101-200 stems/ha14.91.516.41.411.51.013.22.015.41.912.81.613.80.6
201-300 stems/ha14.71.518.11.415.81.117.22.218.42.111.71.515.90.6
301-400 stems/ha17.61.617.61.415.11.110.11.811.21.714.01.615.10.6
401-500 stems/ha12.91.412.61.212.31.013.82.013.21.811.01.512.50.6
501-600 stems/ha11.01.39.31.19.70.96.41.48.01.59.01.49.30.5
more than 600 stems/ha20.41.715.61.323.51.322.32.419.52.125.72.121.00.7
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 #162201/148580
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