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NFI2

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
inside perimeter0-20%....2.62.64.24.1....1.81.3
21-40%....2.62.612.76.9....3.71.8
41-60%11.310.6..21.16.620.88.333.319.324.17.921.33.9
61-80%11.110.5..28.97.437.49.950.020.417.47.126.74.3
over 80%77.613.9100.0.44.78.124.98.816.715.258.59.246.54.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%1.20.50.60.32.40.54.51.42.61.00.60.51.70.2
21-40%3.90.90.80.36.60.910.82.117.12.35.71.35.90.4
41-60%8.11.23.80.719.21.425.52.931.72.820.32.315.10.6
61-80%29.62.021.51.532.81.636.33.231.42.828.62.529.10.8
over 80%57.22.273.31.739.01.722.82.817.22.344.82.848.20.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.10.50.60.32.40.54.51.32.61.00.60.41.70.2
21-40%3.80.80.80.36.40.811.02.016.82.35.21.25.80.4
41-60%8.21.23.80.719.31.325.12.831.82.820.62.215.40.6
61-80%29.32.021.51.532.61.636.43.131.82.827.62.429.00.8
over 80%57.52.273.41.739.31.623.02.717.22.345.92.748.10.9
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, 04.11.2014 #156506/142885
search result: 1 entry on 1 page

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