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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 NFI3/NFI4 combined
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%....3.61.8......1.50.7
21-40%7.87.5..5.52.27.43.29.54.52.42.46.21.5
41-60%....12.83.233.85.742.97.622.16.523.32.5
61-80%38.413.5..29.14.329.45.526.26.841.47.731.02.8
over 80%53.813.8..49.14.829.45.521.46.334.17.438.02.9
total100.0...100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%1.50.51.10.41.00.31.40.81.40.71.50.61.30.2
21-40%1.50.51.80.55.30.88.81.912.52.05.21.14.70.4
41-60%8.41.25.00.817.61.330.93.132.32.815.01.814.90.6
61-80%24.61.920.81.532.61.635.53.337.72.925.72.228.10.8
over 80%64.02.171.41.743.51.723.52.916.02.252.52.651.00.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.50.51.10.41.30.41.10.61.20.61.40.61.30.2
21-40%1.70.61.80.55.30.78.51.712.21.85.01.14.80.4
41-60%8.21.25.00.817.01.231.62.833.72.615.71.815.60.6
61-80%24.91.920.81.532.21.534.02.836.22.727.22.228.40.8
over 80%63.72.171.41.744.21.624.92.616.72.150.72.450.00.8
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 #164809/151191
search result: 1 entry on 1 page

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