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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
inside perimeter0-20%....3.51.7......1.40.7
21-40%7.87.5..5.32.17.43.29.14.32.42.46.11.4
41-60%....13.33.233.85.743.27.522.16.523.62.5
61-80%38.413.5..29.24.329.45.527.36.741.47.731.22.8
over 80%53.813.8..48.64.729.45.520.46.134.17.437.72.9
total100.0...100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%1.70.61.10.41.10.41.70.92.30.92.00.71.50.2
21-40%1.50.51.80.56.30.89.31.913.52.05.51.15.20.4
41-60%8.71.25.10.818.11.331.63.131.42.715.81.815.40.6
61-80%24.71.920.91.532.01.634.63.237.22.826.22.228.00.8
over 80%63.42.171.11.742.51.622.72.815.72.150.62.549.90.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.70.51.10.41.40.41.30.72.00.71.80.61.50.2
21-40%1.70.51.80.56.20.88.81.712.91.85.21.15.30.4
41-60%8.51.25.10.817.61.232.12.732.92.516.41.816.00.6
61-80%25.01.920.91.531.71.533.42.735.92.627.62.128.30.8
over 80%63.22.171.11.743.21.624.32.516.32.049.12.448.90.8
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, 03.11.2014 #161931/148310
search result: 1 entry on 1 page

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