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NFI2

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
inside perimeter0-20%......3.32.3..1.81.3
21-40%......6.63.2..3.71.8
41-60%11.010.4..25.015.321.35.224.17.921.23.9
61-80%11.110.5..25.015.334.46.117.47.126.74.2
over 80%77.913.8100.0.50.017.734.46.158.59.246.54.8
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%1.10.50.60.31.40.53.40.60.70.51.70.2
21-40%3.40.81.20.43.90.812.31.15.91.35.80.4
41-60%7.61.24.20.814.51.526.91.520.12.315.10.6
61-80%29.22.021.51.633.92.031.81.628.52.629.10.8
over 80%58.62.172.51.846.32.125.61.544.82.848.30.9
total100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%1.10.50.60.31.40.53.40.60.60.41.70.2
21-40%3.40.81.20.43.90.811.91.15.41.25.80.4
41-60%7.61.14.20.814.61.526.51.520.42.215.30.6
61-80%28.92.021.41.633.82.032.01.527.62.429.00.8
over 80%59.02.172.51.846.32.126.11.546.02.748.20.9
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156510/142889
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